@article{SchoeningThustVetteretal.1996, author = {Sch{\"o}ning, Michael Josef and Thust, M. and Vetter, J. and Kordos, P. (u.a.)}, title = {A long-term stable penicillin-sensitive potentiometric biosensor with enzyme immobilized by heterobifunctional crosslinking}, isbn = {0378-4304}, pages = {115 -- 121}, year = {1996}, language = {en} } @article{SchoeningThustMuellerVeggianetal.1998, author = {Sch{\"o}ning, Michael Josef and Thust, M. and M{\"u}ller-Veggian, Mattea and Kordos, P.}, title = {A novel silicon-based sensor array with capacitive EIS structures}, series = {Sensors and Actuators B. 47 (1998), H. 1-3}, journal = {Sensors and Actuators B. 47 (1998), H. 1-3}, isbn = {0925-4005}, pages = {225 -- 230}, year = {1998}, language = {en} } @article{SchoeningThustKordosetal.2000, author = {Sch{\"o}ning, Michael Josef and Thust, M. and Kordos, P. and Schultze, J.W. and L{\"u}th, H.}, title = {Capacitive microsensors for biochemical sensing based on porous silicon technology}, series = {Transducers '99 : proceedings of the Tenth International Conference on Solid-State Sensors and Actuators ; 7 - 10 June, 1999, Sendai, Japan / ed.: S. Middelhoek}, journal = {Transducers '99 : proceedings of the Tenth International Conference on Solid-State Sensors and Actuators ; 7 - 10 June, 1999, Sendai, Japan / ed.: S. Middelhoek}, publisher = {Elsevier}, address = {Amsterdam [u.a.]}, pages = {1184 -- 1187}, year = {2000}, language = {en} } @article{SchoeningThustKordosetal.1999, author = {Sch{\"o}ning, Michael Josef and Thust, M. and Kordos, P. and L{\"u}th, H.}, title = {Chemical sensing structures - From EIS capacitors to array-type sensors}, series = {Solid state chemical and biochemical sensors : proceedings of Topical Symposium 9 - "Solid State Chemical and Biochemical Sensors" of the Forum on New Materials of the 9th CIMTEC-World Ceramics Congress and Forum on New Materials Florence, Italy June 14-1}, journal = {Solid state chemical and biochemical sensors : proceedings of Topical Symposium 9 - "Solid State Chemical and Biochemical Sensors" of the Forum on New Materials of the 9th CIMTEC-World Ceramics Congress and Forum on New Materials Florence, Italy June 14-1}, publisher = {Techna}, address = {Faenza}, isbn = {88-86538-27-8}, pages = {55 -- 62}, year = {1999}, language = {en} } @article{SchoeningSimonisRugeetal.2002, author = {Sch{\"o}ning, Michael Josef and Simonis, Anette and Ruge, Christian and Ecken, Holger and M{\"u}ller-Veggian, Mattea and L{\"u}th, Hans}, title = {A (bio-)chemical Field-effect Sensor with Macroporous Si as Substrate Material and a SiO₂ / LPCVD-Si₃N₄ Double Layer as pH Transducer}, series = {Sensors. 2 (2002), H. 1}, journal = {Sensors. 2 (2002), H. 1}, isbn = {1424-8220}, doi = {10.3390/s20100011}, pages = {11 -- 22}, year = {2002}, abstract = {Macroporous silicon has been etched from n-type Si, using a vertical etching cell where no rear side contact on the silicon wafer is necessary. The resulting macropores have been characterised by means of Scanning Electron Microscopy (SEM). After etching, SiO₂ was thermally grown on the top of the porous silicon as an insulating layer and Si₃N₄ was deposited by means of Low Pressure Chemical Vapour Deposition (LPCVD) as transducer material to fabricate a capacitive pH sensor. In order to prepare porous biosensors, the enzyme penicillinase has been additionally immobilised inside the porous structure. Electrochemical measurements of the pH sensor and the biosensor with an Electrolyte/Insulator/Semiconductor (EIS) structure have been performed in the Capacitance/Voltage (C/V) and Constant capacitance (ConCap) mode.}, language = {en} } @article{SchoeningSimonisKringsetal.2002, author = {Sch{\"o}ning, Michael Josef and Simonis, A. and Krings, T. and L{\"u}th, H. and Wang, J.}, title = {Evaluation of a chip-based thin-film / thick-film sensor hybrid for (bio-)chemical analysis}, series = {Electroanalysis}, volume = {14}, journal = {Electroanalysis}, number = {13}, issn = {1040-0397}, pages = {955 -- 958}, year = {2002}, language = {en} } @article{SchoeningSchuetzSchrothetal.1998, author = {Sch{\"o}ning, Michael Josef and Sch{\"u}tz, S. and Schroth, P. and Weißbecker, B. and Steffen, A. and Kordos, P. and Hummel, Hans E.}, title = {A BioFET on the basis of intact insect antennae}, series = {Sensors and Actuators B. 47 (1998), H. 1-3}, journal = {Sensors and Actuators B. 47 (1998), H. 1-3}, isbn = {0925-4005}, pages = {235 -- 238}, year = {1998}, language = {en} } @article{SchoeningSchuetzRiemeretal.1997, author = {Sch{\"o}ning, Michael Josef and Sch{\"u}tz, S. and Riemer, A. and Weißbecker, B. and Steffen, A. and Kordos, P. and L{\"u}th, H. and Hummel, Hans E.}, title = {A BioFET on the basis of intact insect antennae}, series = {Proceedings of the 11th European Conference on Solid-State Transducers / Eurosensors XI, September 21 - 24, 1997, Warsaw, Poland. [Organised by] Warsaw University of Technology. Vol 2.}, journal = {Proceedings of the 11th European Conference on Solid-State Transducers / Eurosensors XI, September 21 - 24, 1997, Warsaw, Poland. [Organised by] Warsaw University of Technology. Vol 2.}, publisher = {Sensor Lab Sp.}, address = {Warsaw}, isbn = {83-908335-0-6}, pages = {1461 -- 1464}, year = {1997}, language = {en} } @article{SchoeningSchubertZanderetal.1999, author = {Sch{\"o}ning, Michael Josef and Schubert, J{\"u}rgen and Zander, Willy and M{\"u}ller-Veggian, Mattea}, title = {Pulsed laser deposition as a novel preparation technique for chemical microsensors}, series = {Proceedings of SPIE 3857, Chemical Microsenors and Applications II, 124 (November 18, 1999). 3857 (1999)}, journal = {Proceedings of SPIE 3857, Chemical Microsenors and Applications II, 124 (November 18, 1999). 3857 (1999)}, pages = {124 -- 134}, year = {1999}, language = {en} } @article{SchoeningSchubertKloocketal.2001, author = {Sch{\"o}ning, Michael Josef and Schubert, Joachim P. and Kloock, Joachim P. and Zander, W. and Mourzina, Y. G. and Legin, A. and Vlasov, Y. G. and L{\"u}th, H.}, title = {Innovative thin film techniques for microfabricating electrochemical sensors}, series = {Biocybernetics and Biomedical Engineering. 21 (2001), H. 4}, journal = {Biocybernetics and Biomedical Engineering. 21 (2001), H. 4}, isbn = {0208-5216}, pages = {107 -- 119}, year = {2001}, language = {en} } @article{SchoeningSchubertKloocketal.2002, author = {Sch{\"o}ning, Michael Josef and Schubert, J and Kloock, Joachim P. and Zander, W. and Mourzina, Y. G. and Legin, A. and Vlasov, Y. G. and L{\"u}th, H.}, title = {Innovative thin film techniques for microfabricating electrochemical sensors}, series = {Lecture Notes of the ICB Seminars}, journal = {Lecture Notes of the ICB Seminars}, publisher = {MCB}, address = {Warsaw}, pages = {55 -- 66}, year = {2002}, language = {en} } @article{SchoeningSchrothLuethetal.2001, author = {Sch{\"o}ning, Michael Josef and Schroth, Peter and L{\"u}th, Hans and Hummel, Hans E. and Sch{\"u}tz, Stefan}, title = {Insect chemoreceptors coupled to silicon transistors as innovative biosensors}, series = {Proceedings of SPIE. 4205 (2001)}, journal = {Proceedings of SPIE. 4205 (2001)}, pages = {152 -- 162}, year = {2001}, language = {en} } @article{SchoeningSchrothSchuetzetal.2000, author = {Sch{\"o}ning, Michael Josef and Schroth, P. and Sch{\"u}tz, S. and Hummel, Hans E. and L{\"u}th, H.}, title = {Connecting an insect antenna to a microchip as a novel type of biosensor}, series = {Proceedings : applications, trends, visions / VDE World Microtechnologies Congress, September 25 - 27, 2000, Expo 2000, Hannover, Germany. Organized by VDE Association for Electrical, Electronic \& Information Technologies ....Vol 2.}, journal = {Proceedings : applications, trends, visions / VDE World Microtechnologies Congress, September 25 - 27, 2000, Expo 2000, Hannover, Germany. Organized by VDE Association for Electrical, Electronic \& Information Technologies ....Vol 2.}, publisher = {VDE-Verl.}, address = {[Berlin] [u.a.]}, isbn = {3-8007-2579-7}, pages = {411 -- 416}, year = {2000}, language = {en} } @article{SchoeningSchrothSchuetz2000, author = {Sch{\"o}ning, Michael Josef and Schroth, P. and Sch{\"u}tz, S.}, title = {The use of insect chemoreceptors for the assembly of biosensors based on semiconductor field-effect sensors}, series = {Electroanalysis. 12 (2000), H. 9}, journal = {Electroanalysis. 12 (2000), H. 9}, isbn = {1040-0397}, pages = {645 -- 652}, year = {2000}, language = {en} } @article{SchoeningSchrothHummeletal.2001, author = {Sch{\"o}ning, Michael Josef and Schroth, P. and Hummel, Hans E. and Weißbecker, B. and L{\"u}th, H. and Sch{\"u}tz, S.}, title = {Microcsaled living bioelectronic systems - Coupling beetles to silicon transducers}, series = {Chemical and biological sensors and analytical methods : proceedings of the international symposium / Sensor, Physical Electrochemistry, and Organic and Biological Electrochemistry Divisions. Ed.: M. Butler}, journal = {Chemical and biological sensors and analytical methods : proceedings of the international symposium / Sensor, Physical Electrochemistry, and Organic and Biological Electrochemistry Divisions. Ed.: M. Butler}, publisher = {Electrochemical Society}, address = {Pennington, NJ}, isbn = {1-56677-351-2}, pages = {165 -- 173}, year = {2001}, language = {en} } @article{SchoeningSchmidtSchubertetal.2000, author = {Sch{\"o}ning, Michael Josef and Schmidt, C. and Schubert, J. and Zander, W. and Mesters, S. and Kordos, P. and L{\"u}th, H. and Legin, A. and Seleznev, B. and Vlasov, Y. G.}, title = {Thin film sensors on the basis of chalcogenide glass materials prepared by pulsed laser deposition technique}, series = {Sensors and Actuators B. 68 (2000), H. 1-3}, journal = {Sensors and Actuators B. 68 (2000), H. 1-3}, isbn = {0925-4005}, pages = {254 -- 259}, year = {2000}, language = {en} } @article{SchoeningSchmidtSchubertetal.1999, author = {Sch{\"o}ning, Michael Josef and Schmidt, C. and Schubert, J. and Zander, W. and Kordos, P. and L{\"u}th, H. and Legin, A. and Seleznev, B. and Vlasov, Y. G.}, title = {Thin film sensors on the basis of chalcogenide glass materials prepared by pulsed laser deposition technique}, series = {Proceedings : The Hague, The Netherlands, September 12 - 15, 1999 / [ed. by M. Bartek]. Vol 1.}, journal = {Proceedings : The Hague, The Netherlands, September 12 - 15, 1999 / [ed. by M. Bartek]. Vol 1.}, address = {The Hague, The Netherlands}, isbn = {90-76699-02-X}, pages = {847 -- 850}, year = {1999}, language = {en} } @article{SchoeningSchaubZundeletal.1995, author = {Sch{\"o}ning, Michael Josef and Schaub, A. and Zundel, A. and Beckers, L. and Schubert, J. and Zander, W. and Kordos, P. and L{\"u}th, H.}, title = {Pulsed laser deposition as a novel thin film preparation method for silicon-based field effect sensors}, series = {Proceedings of the 25th European Solid State Device Research Conference : the Netherlands Congress Centre, The Hague, the Netherlands, 25th - 27th September 1995 / ESSDERC '95. Ed. by H. C. de Graaff}, journal = {Proceedings of the 25th European Solid State Device Research Conference : the Netherlands Congress Centre, The Hague, the Netherlands, 25th - 27th September 1995 / ESSDERC '95. Ed. by H. C. de Graaff}, publisher = {Ed. Fronti{\`e}res}, address = {Gif-sur-Yvette}, isbn = {2-86332-182-X}, pages = {601 -- 604}, year = {1995}, language = {en} } @article{SchoeningSaukeSteffenetal.1995, author = {Sch{\"o}ning, Michael Josef and Sauke, M. and Steffen, A. and Marso, M. (u.a.)}, title = {Ion-sensitive field-effect transistors with ultrathin Langmuir-Blodgett membranes}, series = {Sensors and Actuators B. 27 (1995), H. 1-3}, journal = {Sensors and Actuators B. 27 (1995), H. 1-3}, isbn = {0925-4005}, pages = {325 -- 328}, year = {1995}, language = {en} } @article{SchoeningRonkelCrottetal.1997, author = {Sch{\"o}ning, Michael Josef and Ronkel, F. and Crott, M. and Thust, M. (u.a.)}, title = {Miniaturization of potentiometric sensors using porous silicon microtechnology}, series = {Electrochimica Acta. 42 (1997), H. 22}, journal = {Electrochimica Acta. 42 (1997), H. 22}, isbn = {0013-4686}, pages = {3185 -- 3193}, year = {1997}, language = {en} } @article{SchoeningPoghossianYoshinobuetal.2001, author = {Sch{\"o}ning, Michael Josef and Poghossian, Arshak and Yoshinobu, Tatsuo and L{\"u}th, Hans}, title = {Semiconductor-based field-effect structures for chemical sensing}, pages = {188 -- 198}, year = {2001}, language = {en} } @article{SchoeningPoghossianSchultze2003, author = {Sch{\"o}ning, Michael Josef and Poghossian, Arshak and Schultze, Joachim W.}, title = {Measuring seven parameters by two ISFET modules in a microcell set-up}, series = {Int. Journal of Computational Engineering Science. 4 (2003), H. 2}, journal = {Int. Journal of Computational Engineering Science. 4 (2003), H. 2}, isbn = {1465-8763}, pages = {257 -- 260}, year = {2003}, language = {en} } @article{SchoeningPoghossianSchultzeetal.2002, author = {Sch{\"o}ning, Michael Josef and Poghossian, Arshak and Schultze, J. W. and L{\"u}th, H.}, title = {Field-effect based multifunctional hybrid sensor module for the determination of both (bio-)chemical and physical paramters}, series = {Proceedings of SPIE. 4576 (2002)}, journal = {Proceedings of SPIE. 4576 (2002)}, pages = {149 -- 159}, year = {2002}, language = {en} } @article{SchoeningPoghossian2002, author = {Sch{\"o}ning, Michael Josef and Poghossian, Arshak}, title = {Recent advances in biologically sensitive field-effect transistors (BioFETs)}, series = {Analyst. 127 (2002)}, journal = {Analyst. 127 (2002)}, isbn = {0003-2654}, pages = {1137 -- 1151}, year = {2002}, language = {en} } @article{SchoeningPoghossian2008, author = {Sch{\"o}ning, Michael Josef and Poghossian, Arshak}, title = {Detection of charged macromolecules by means of field-effect devices (FEDs): possibilities and limitations}, series = {Electrochemical sensors, biosensors and their biomedical applications / ed. by Xueji Zhang ...}, journal = {Electrochemical sensors, biosensors and their biomedical applications / ed. by Xueji Zhang ...}, publisher = {Elsevier Acad. Press}, address = {Amsterdam}, isbn = {978-0-12-373738-0}, pages = {187 -- 212}, year = {2008}, language = {en} } @article{SchoeningPoghossian2008, author = {Sch{\"o}ning, Michael Josef and Poghossian, Arshak}, title = {Silicon-based field-effect devices for (bio-)chemical sensing}, series = {International Conference on Advanced Semiconductor Devices and Microsystems, 2008. ASDAM 2008}, journal = {International Conference on Advanced Semiconductor Devices and Microsystems, 2008. ASDAM 2008}, address = {Smolenice, Slovakia}, isbn = {978-1-4244-2325-5}, pages = {31 -- 38}, year = {2008}, language = {en} } @article{SchoeningPoghossian2009, author = {Sch{\"o}ning, Michael Josef and Poghossian, Arshak}, title = {Silicon-based field-effect devices with nanostructured surfaces for bio-/chemical sensing}, series = {Semiconductor micro- and nanoelectronics : Proceedings of the Seventh International Conference , Tsakhcadzor, Armenia July 3-5 2009}, journal = {Semiconductor micro- and nanoelectronics : Proceedings of the Seventh International Conference , Tsakhcadzor, Armenia July 3-5 2009}, pages = {51 -- 53}, year = {2009}, language = {en} } @article{SchoeningPoghossian2006, author = {Sch{\"o}ning, Michael Josef and Poghossian, Arshak}, title = {BioFEDs (field-effect devices) : State-of-the-art and new directions}, series = {Electroanalysis}, volume = {18}, journal = {Electroanalysis}, number = {19-20}, issn = {1521-4109}, doi = {10.1002/elan.200603609}, pages = {1893 -- 1900}, year = {2006}, language = {en} } @article{SchoeningNaetherAugeretal.2005, author = {Sch{\"o}ning, Michael Josef and N{\"a}ther, Niko and Auger, V. and Poghossian, Arshak and Koudelka-Hep, M.}, title = {Miniaturised flow-through cell with integrated capacitive EIS sensor fabricated at wafer level using Si and SU-8 technologies}, series = {Sensors and Actuators B. 108 (2005), H. 1-2}, journal = {Sensors and Actuators B. 108 (2005), H. 1-2}, isbn = {0925-4005}, pages = {986 -- 992}, year = {2005}, language = {en} } @article{SchoeningNaetherAugeretal.2004, author = {Sch{\"o}ning, Michael Josef and N{\"a}ther, Niko and Auger, V. and Poghossian, Arshak and Koudelka-Hep, M.}, title = {Miniaturized flow-through cell with integrated capacitive EIS sensors fabricated at wafer level using Si and Su-8 technologies}, series = {Technical digest of the 10th International Meeting on Chemical Sensors, July 11 - 14, 2004, Tsukuba, Japan / Japan Association of Chemical Sensors}, journal = {Technical digest of the 10th International Meeting on Chemical Sensors, July 11 - 14, 2004, Tsukuba, Japan / Japan Association of Chemical Sensors}, publisher = {Japan Association of Chemical Sensors}, address = {Fukuoka}, pages = {554 -- 555}, year = {2004}, language = {en} } @article{SchoeningMourzinaSchubertetal.2001, author = {Sch{\"o}ning, Michael Josef and Mourzina, Yu.G. and Schubert, J. and Zander, W. and Legin, A. and Vlasov, Y. G. and L{\"u}th, H.}, title = {Pulsed laser deposition - an innovative technique for preparing inorganic thin films}, series = {Electroanalysis. 13 (2001), H. 8-9}, journal = {Electroanalysis. 13 (2001), H. 8-9}, isbn = {1040-0397}, pages = {727 -- 732}, year = {2001}, language = {en} } @article{SchoeningMourzinaSchubertetal.2001, author = {Sch{\"o}ning, Michael Josef and Mourzina, Y. G. and Schubert, J. and Zander, W. and Legin, A. and Vlasov, Y. G. and L{\"u}th, H.}, title = {Can pulsed laser deposition serve as an advanced technique in fabricating chemical sensors?}, series = {Sensors and Actuators B. 78 (2001), H. 1-3}, journal = {Sensors and Actuators B. 78 (2001), H. 1-3}, isbn = {0925-4005}, pages = {273 -- 278}, year = {2001}, language = {en} } @article{SchoeningMourzinaSchubertetal.2000, author = {Sch{\"o}ning, Michael Josef and Mourzina, Y. G. and Schubert, J. and Zander, W. and Legin, A. and Vlasov, Y. G. and L{\"u}th, H.}, title = {Can pulsed laser deposition serve as an advanced technique in fabricating chemical sensors?}, series = {Proceedings : Copenhagen, Denmark, 27 - 30 August 2000 / [ed.: R. de Reus ...]}, journal = {Proceedings : Copenhagen, Denmark, 27 - 30 August 2000 / [ed.: R. de Reus ...]}, publisher = {MIC, Mikroelektronik Centret}, address = {Lyngby, Denmark}, isbn = {87-89935-50-0}, pages = {615 -- 618}, year = {2000}, language = {en} } @article{SchoeningMalkocThustetal.2000, author = {Sch{\"o}ning, Michael Josef and Malkoc, {\"U}. and Thust, M. and Steffen, A. and Kordos, P. and L{\"u}th, H.}, title = {Novel electrochemical sensors with structured and porous semiconductor/insulator capacitors}, series = {Sensors and Actuators B. 65 (2000), H. 1-3}, journal = {Sensors and Actuators B. 65 (2000), H. 1-3}, isbn = {0925-4005}, pages = {288 -- 290}, year = {2000}, language = {en} } @article{SchoeningMalkocThustetal.1998, author = {Sch{\"o}ning, Michael Josef and Malkoc, {\"U}. and Thust, M. and Steffen, A. and Kordos, P. and L{\"u}th, H.}, title = {Novel electrochemical sensors with structured and porous semiconductor/insulator capacitors}, series = {Proceedings of the Seventh International Meeting on Chemical Sensors : 27 - 30 July, 1998, Beijing, P. R. China / ed. Zhi-Gang Zhou}, journal = {Proceedings of the Seventh International Meeting on Chemical Sensors : 27 - 30 July, 1998, Beijing, P. R. China / ed. Zhi-Gang Zhou}, publisher = {Elsevier}, address = {Amsterdam [u.a.]}, pages = {885 -- 887}, year = {1998}, language = {en} } @article{SchoeningLueth2002, author = {Sch{\"o}ning, Michael Josef and L{\"u}th, H.}, title = {Microfabricated semiconductor structures - Advances in (bio-)chemical sensing}, series = {Coupling of biological and electronic systems : proceedings of the 2nd Caesarium, Bonn, November 1 - 3, 2000 / Karl-Heinz Hoffmann, ed.}, journal = {Coupling of biological and electronic systems : proceedings of the 2nd Caesarium, Bonn, November 1 - 3, 2000 / Karl-Heinz Hoffmann, ed.}, publisher = {Springer}, address = {Berlin [u.a.]}, isbn = {3-540-43699-5}, pages = {79 -- 92}, year = {2002}, language = {en} } @article{SchoeningLueth2001, author = {Sch{\"o}ning, Michael Josef and L{\"u}th, H.}, title = {Novel concepts for silicon-based biosensors}, series = {Physica Status Solidi (A) (2001)}, journal = {Physica Status Solidi (A) (2001)}, isbn = {0031-8965}, pages = {65 -- 77}, year = {2001}, language = {en} } @article{SchoeningKurowskiThustetal.2000, author = {Sch{\"o}ning, Michael Josef and Kurowski, A. and Thust, M. and Kordos, P. and Schultze, J. W. and L{\"u}th, H.}, title = {Capacitive microsensors for biochemical sensing on porous silicon technology}, series = {Sensors and Actuators B. 64 (2000), H. 1-3}, journal = {Sensors and Actuators B. 64 (2000), H. 1-3}, isbn = {0925-4005}, pages = {59 -- 64}, year = {2000}, language = {en} } @article{SchoeningKrauseBlocketal.2002, author = {Sch{\"o}ning, Michael Josef and Krause, R. and Block, K. and Musameh, M. and Mulchandani, A. and Wang, J.}, title = {A dual amperometric / potentiometric FIA-based biosensor for the distinctive detection of organophosphorus pesticides}, series = {Book of abstracts / ed. by J. Saneistr.}, journal = {Book of abstracts / ed. by J. Saneistr.}, publisher = {Czech Technical University, Faculty of Electrical Engineering, Department of Measurement}, address = {Prague}, isbn = {80-01-02576-4}, pages = {76 -- 79}, year = {2002}, language = {en} } @article{SchoeningKrauseBlocketal.2003, author = {Sch{\"o}ning, Michael Josef and Krause, R. and Block, K. and Musahmeh, M. and Mulchandani, A. and Wang, J.}, title = {A dual amperometric/potentiometric FIA-based biosensor for the distinctive detection of organophosphorus pesticides}, series = {Sensors and Actuators B. 95 (2003), H. 1-3}, journal = {Sensors and Actuators B. 95 (2003), H. 1-3}, isbn = {0925-4005}, pages = {291 -- 296}, year = {2003}, language = {en} } @article{SchoeningKloockMourzinaetal.2002, author = {Sch{\"o}ning, Michael Josef and Kloock, Joachim P. and Mourzina, Y. and Schubert, J.}, title = {A first step towards a microfabricated thin-film sensor array on the basis of chalcogenide glass materials}, series = {Sensors. 2 (2002), H. 9}, journal = {Sensors. 2 (2002), H. 9}, isbn = {1424-8220}, pages = {356 -- 365}, year = {2002}, language = {en} } @article{SchoeningKloockKnobbeetal.2004, author = {Sch{\"o}ning, Michael Josef and Kloock, Joachim P. and Knobbe, D.-T. and R{\"a}de, J. and Keusgen, M.}, title = {Silicon field-effect biosensor for cyanide detection}, series = {Technical digest of the 10th International Meeting on Chemical Sensors, July 11 - 14, 2004, Tsukuba, Japan / Japan Association of Chemical Sensors}, journal = {Technical digest of the 10th International Meeting on Chemical Sensors, July 11 - 14, 2004, Tsukuba, Japan / Japan Association of Chemical Sensors}, publisher = {Japan Association of Chemical Sensors}, address = {Fukuoka}, pages = {98 -- 99}, year = {2004}, language = {en} } @article{SchoeningKloockKnobbeetal.2004, author = {Sch{\"o}ning, Michael Josef and Kloock, Joachim P. and Knobbe, D.-T. and Krause, R. and Block, K. and Wang, J. and Mulchandani, A. and Keusgen, M.}, title = {Direktnachweis von Pestiziden und Cyanid mit elektrochemischen Enzymsensoren}, series = {Sensoren und Messsysteme 2004 : Tagung Ludwigsburg, 15. und 16. M{\"a}rz 2004 / VDI-VDE-Gesellschaft Mess- und Automatisierungstechnik}, journal = {Sensoren und Messsysteme 2004 : Tagung Ludwigsburg, 15. und 16. M{\"a}rz 2004 / VDI-VDE-Gesellschaft Mess- und Automatisierungstechnik}, publisher = {VDI}, address = {D{\"u}sseldorf}, isbn = {3-18-091829-2}, pages = {699 -- 706}, year = {2004}, language = {en} } @article{SchoeningKloock2007, author = {Sch{\"o}ning, Michael Josef and Kloock, Joachim P.}, title = {About 20 years of silicon-based thin-film sensors with chalcogenide glass materials for heavy metal analysis: Technological aspects of fabrication and miniaturization}, series = {Electroanalysis. 19 (2007), H. 19-20}, journal = {Electroanalysis. 19 (2007), H. 19-20}, isbn = {1040-0397}, pages = {2029 -- 2038}, year = {2007}, language = {en} } @article{SchoeningKirchnerNgetal.2010, author = {Sch{\"o}ning, Michael Josef and Kirchner, Patrick and Ng, Yue Ann and Spelthahn, Heiko and Schneider, Andreas and Henkel, Hartmut and Friedrich, Peter and Kolstad, Jens and Berger, J{\"o}rg and Keusgen, Michael}, title = {Gas sensor investigation based on a catalytically activated thin-film thermopile for H2O2 detection}, series = {Physica Status Solidi (A). 207 (2010), H. 4}, journal = {Physica Status Solidi (A). 207 (2010), H. 4}, isbn = {1862-6300}, pages = {787 -- 792}, year = {2010}, language = {en} } @article{SchoeningJacobsMucketal.2005, author = {Sch{\"o}ning, Michael Josef and Jacobs, M. and Muck, A. and Knobbe, D.-T. and Wang, J. and Chatrathi, M. and Spillmann, S.}, title = {Amperometric PDMS/glass capillary electrophoresis-based biosensor microchip for catechol and dopamin detection}, series = {Sensors and Actuators B. 108 (2005), H. 1-2}, journal = {Sensors and Actuators B. 108 (2005), H. 1-2}, isbn = {0925-4005}, pages = {688 -- 694}, year = {2005}, language = {en} } @article{SchoeningHuellenkremerGluecketal.2001, author = {Sch{\"o}ning, Michael Josef and H{\"u}llenkremer, B. and Gl{\"u}ck, O. and L{\"u}th, H. and Emons, H.}, title = {Voltohmmetry - a novel sensing principle for heavy metal determination in aqueous solutions}, series = {Sensors and Actuators B. 78 (2001), H. 1-3}, journal = {Sensors and Actuators B. 78 (2001), H. 1-3}, isbn = {0925-4005}, pages = {275 -- 280}, year = {2001}, language = {en} } @article{SchoeningHoffmannBrunsetal.1993, author = {Sch{\"o}ning, Michael Josef and Hoffmann, W. and Bruns, M. and Ache, H.J. (u.a.)}, title = {Chemical microsensors and evaporated silver halide layers}, series = {Bulgarian Chemical Communications. 26 (1993), H. 3-4}, journal = {Bulgarian Chemical Communications. 26 (1993), H. 3-4}, isbn = {0324-1130}, pages = {402 -- 410}, year = {1993}, language = {en} } @article{SchoeningGlueckThust1999, author = {Sch{\"o}ning, Michael Josef and Gl{\"u}ck, O. and Thust, M.}, title = {Electrochemical methods for the determination of chemical variables in aqueous media}, series = {The measurement, instrumentation, and sensors handbook / ed.-in-chief John G. Webster. In cooperation with IEEE Press}, journal = {The measurement, instrumentation, and sensors handbook / ed.-in-chief John G. Webster. In cooperation with IEEE Press}, publisher = {CRC Press}, address = {Boca Raton [u.a.]}, isbn = {0-8493-8347-1}, pages = {1 -- 49}, year = {1999}, language = {en} } @article{SchoeningGlueckSchrothetal.1999, author = {Sch{\"o}ning, Michael Josef and Gl{\"u}ck, O. and Schroth, P. and Sch{\"u}tz, S. (u.a.)}, title = {Microelectrodes, capacitors and BioFETs: Novel trends in silicon-based biochemical sensing}, series = {Biocybernetics and Biomedical Engineering. 19 (1999), H. 1}, journal = {Biocybernetics and Biomedical Engineering. 19 (1999), H. 1}, issn = {0208-5216}, pages = {105 -- 126}, year = {1999}, language = {en} } @article{SchoeningGlueckKordosetal.1999, author = {Sch{\"o}ning, Michael Josef and Gl{\"u}ck, O. and Kordos, P. and L{\"u}th, H. and Emons, H.}, title = {Thin film electrodes for trace metal analysis by dc resistance changes}, series = {Proceedings of SPIE. 3857 (1999)}, journal = {Proceedings of SPIE. 3857 (1999)}, pages = {135 -- 143}, year = {1999}, language = {en} } @article{SchoeningDollWagner2009, author = {Sch{\"o}ning, Michael Josef and Doll, Theodor and Wagner, Patrick}, title = {Preface / Doll, Theodor ; Wagner, Patrick ; Sch{\"o}ning, Michael J.}, series = {physica status solidi (a) . 206 (2009), H. 3}, journal = {physica status solidi (a) . 206 (2009), H. 3}, isbn = {1862-6319}, pages = {389 -- 390}, year = {2009}, language = {en} } @article{SchoeningCrottRonkeletal.1996, author = {Sch{\"o}ning, Michael Josef and Crott, M. and Ronkel, F. and Thust, M. and Schultze, J. W. and Kordos, P. and L{\"u}th, H.}, title = {Investigations on porous silicon layers with regard to chemical microsensor applications}, series = {Third International Conference on Intelligent Materials : Lyon, 3-4-5 June 1996, Center of Congress "L'Espace T{\^e}te d'Or" / [publ. by SPIE, the International Society for Optical Engineering]. General chair/ed. by: P. F. Gobin}, journal = {Third International Conference on Intelligent Materials : Lyon, 3-4-5 June 1996, Center of Congress "L'Espace T{\^e}te d'Or" / [publ. by SPIE, the International Society for Optical Engineering]. General chair/ed. by: P. F. Gobin}, publisher = {SPIE}, address = {Bellingham, Wash.}, isbn = {0819421650}, pages = {275 -- 280}, year = {1996}, language = {en} } @article{SchoeningCrottRonkeletal.1996, author = {Sch{\"o}ning, Michael Josef and Crott, M. and Ronkel, F. and Thust, M. and Schultze, J. W. and Kordos, P. and L{\"u}th, H.}, title = {A capacitive chemical sensor based on porous silicon}, series = {Proceedings of the 26th European Solid State Device Research Conference : Congress Centre, Bologna, Italy, 9 - 11 September 1996 / ESSDERC '96. Ed. by G. Baccarani}, journal = {Proceedings of the 26th European Solid State Device Research Conference : Congress Centre, Bologna, Italy, 9 - 11 September 1996 / ESSDERC '96. Ed. by G. Baccarani}, publisher = {Ed. Fronti{\`e}res}, address = {Gif-sur-Yvette}, isbn = {2-86332-196-X}, pages = {907 -- 910}, year = {1996}, language = {en} } @article{SchoeningBussLuethetal.1999, author = {Sch{\"o}ning, Michael Josef and Buß, G. and L{\"u}th, H. and Schultze, J.W.}, title = {Modifications and characterization of a silicon-based microelectrode array}, series = {Electrochimica Acta. 44 (1999), H. 21-22}, journal = {Electrochimica Acta. 44 (1999), H. 21-22}, isbn = {0013-4686}, pages = {3899 -- 3910}, year = {1999}, language = {en} } @article{SchoeningBussFassbenderetal.2000, author = {Sch{\"o}ning, Michael Josef and Buß, G. and Faßbender, F. and Gl{\"u}ck, O. and Schmitt, G. and Schultze, J. W. and L{\"u}th, H.}, title = {A silicon-based microelectrode array for chemical analysis}, series = {Sensors and Actuators B. 65 (2000), H. 1-3}, journal = {Sensors and Actuators B. 65 (2000), H. 1-3}, isbn = {0925-4005}, pages = {284 -- 287}, year = {2000}, language = {en} } @article{SchoeningBussFassbenderetal.1998, author = {Sch{\"o}ning, Michael Josef and Buß, G. and Faßbender, F. and Gl{\"u}ck, O. and Schmitt, G. and Schultze, J. W. and L{\"u}th, H.}, title = {A silicon-based microelectrode array for chemical analysis}, series = {Proceedings of the Seventh International Meeting on Chemical Sensors : 27 - 30 July, 1998, Beijing, P. R. China / ed. Zhi-Gang Zhou}, journal = {Proceedings of the Seventh International Meeting on Chemical Sensors : 27 - 30 July, 1998, Beijing, P. R. China / ed. Zhi-Gang Zhou}, publisher = {Elsevier}, address = {Amsterdam [u.a.]}, pages = {100 -- 102}, year = {1998}, language = {en} } @article{SchoeningBrunsHoffmannetal.1993, author = {Sch{\"o}ning, Michael Josef and Bruns, M. and Hoffmann, W. and Hoffmann, B. (u.a.)}, title = {Iodide ion-sensitive field-effect structures}, series = {Sensors and Actuators B. 15 (1993), H. 1-3}, journal = {Sensors and Actuators B. 15 (1993), H. 1-3}, isbn = {0925-4005}, pages = {192 -- 194}, year = {1993}, language = {en} } @article{SchoeningBronderWuetal.2017, author = {Sch{\"o}ning, Michael Josef and Bronder, Thomas and Wu, Chunsheng and Scheja, Sabrina and Jessing, Max and Metzger-Boddien, Christoph and Keusgen, Michael and Poghossian, Arshak}, title = {Label-Free DNA Detection with Capacitive Field-Effect Devices—Challenges and Opportunities}, series = {Proceedings}, volume = {1}, journal = {Proceedings}, number = {8}, publisher = {MDPI}, address = {Basel}, issn = {2504-3900}, doi = {10.3390/proceedings1080719}, pages = {Artikel 719}, year = {2017}, abstract = {Field-effect EIS (electrolyte-insulator-semiconductor) sensors modified with a positively charged weak polyelectrolyte layer have been applied for the electrical detection of DNA (deoxyribonucleic acid) immobilization and hybridization by the intrinsic molecular charge. The EIS sensors are able to detect the existence of target DNA amplicons in PCR (polymerase chain reaction) samples and thus, can be used as tool for a quick verification of DNA amplification and the successful PCR process. Due to their miniaturized setup, compatibility with advanced micro- and nanotechnologies, and ability to detect biomolecules by their intrinsic molecular charge, those sensors can serve as possible platform for the development of label-free DNA chips. Possible application fields as well as challenges and limitations will be discussed.}, language = {en} } @article{SchoeningBrinkmannRolkaetal.2005, author = {Sch{\"o}ning, Michael Josef and Brinkmann, D. and Rolka, David and Demuth, C. and Poghossian, Arshak}, title = {CIP (cleaning-in-place) suitable "non-glass" pH sensor based on a Ta2O5-gate EIS structure}, series = {Sensors and Actuators B: Chemical. 111-112 (2005)}, journal = {Sensors and Actuators B: Chemical. 111-112 (2005)}, isbn = {0925-4005}, pages = {423 -- 429}, year = {2005}, language = {en} } @article{SchoeningBrinkmannDemuthetal.2004, author = {Sch{\"o}ning, Michael Josef and Brinkmann, D. and Demuth, C. and Poghossian, Arshak}, title = {CIP (cleaning-in-place)-suitable „non-glass" pH sensor based on a Ta2O5-gate EIS structure}, series = {Digest of technical papers : September 12 - 15, 2004, Rome, Italy, Pontificia Universitas Sancto Thoma Aquinate in Urbe / [conference chairperson: C. Di Natale].}, journal = {Digest of technical papers : September 12 - 15, 2004, Rome, Italy, Pontificia Universitas Sancto Thoma Aquinate in Urbe / [conference chairperson: C. Di Natale].}, address = {Roma}, isbn = {88-7621-282-5}, pages = {857 -- 860}, year = {2004}, language = {en} } @article{SchoeningBeckersSchaubetal.1996, author = {Sch{\"o}ning, Michael Josef and Beckers, L. and Schaub, A. and Zander, W. and Schubert, J. and Mesters, S. and Kordos, P. and L{\"u}th, H.}, title = {A novel silicon-based pH sensor prepared by pulsed laser deposition technique}, series = {Proceedings of Eurosensors X, the 10th European Conference on Solid-State Transducers, September 8-11, 1996, Leuven, Belgium / [KU Leuven]. Puers, Robert. Vol. 3.}, journal = {Proceedings of Eurosensors X, the 10th European Conference on Solid-State Transducers, September 8-11, 1996, Leuven, Belgium / [KU Leuven]. Puers, Robert. Vol. 3.}, publisher = {Catholic University Leuven}, address = {Heverlee, Belgium}, isbn = {90-803282-1-9}, pages = {781 -- 784}, year = {1996}, language = {en} } @article{SchoeningArzdorfMulchandanietal.2003, author = {Sch{\"o}ning, Michael Josef and Arzdorf, M. and Mulchandani, P. and Chen, W. and Mulchandani, A.}, title = {Towards a capacitive enzyme sensor for direct determination of organophosphorus pesticides: Fundamentals studies and aspects of development}, series = {Sensors. 3 (2003), H. 6}, journal = {Sensors. 3 (2003), H. 6}, isbn = {1424-8220}, pages = {119 -- 127}, year = {2003}, language = {en} } @article{SchoeningArzdorfMulchandanietal.2003, author = {Sch{\"o}ning, Michael Josef and Arzdorf, M. and Mulchandani, P. and Chen, W. and Mulchandani, A.}, title = {A capacitive field-effect sensor for the direct determination of organophosphorus pesticides}, series = {Sensors and Actuators B. 91 (2003), H. 1-3}, journal = {Sensors and Actuators B. 91 (2003), H. 1-3}, isbn = {0925-4005}, pages = {92 -- 97}, year = {2003}, language = {en} } @article{SchoeningAbouzarPoghossian2009, author = {Sch{\"o}ning, Michael Josef and Abouzar, Maryam H. and Poghossian, Arshak}, title = {pH and ion sensitivity of a field-effect EIS (electrolyte-insulator-semiconductor) sensor covered with polyelectrolyte multilayers}, series = {Journal of Solid State Electrochemistry. 13 (2009), H. 1}, journal = {Journal of Solid State Electrochemistry. 13 (2009), H. 1}, isbn = {1433-0768}, pages = {115 -- 122}, year = {2009}, language = {en} } @article{SchoeningAbouzarIngebrandtetal.2006, author = {Sch{\"o}ning, Michael Josef and Abouzar, Maryam H. and Ingebrandt, Sven and Platen, Johannes and Offenh{\"a}usser, Andreas and Poghossian, Arshak}, title = {Towards label-free detection of charged macromolecules using field-effect-based structures : Scaling down from capacitive EIS sensor over ISFET to nano-scale devices}, series = {Nanostructured materials and hybrid composites for gas sensors and biomedical applications : symposium held April 18-20, 2006, San Francisco , California, U.S.A.}, journal = {Nanostructured materials and hybrid composites for gas sensors and biomedical applications : symposium held April 18-20, 2006, San Francisco , California, U.S.A.}, number = {paper 0915-R05-04}, editor = {Comini, Elisabetta}, isbn = {9781558998711}, pages = {89 -- 94}, year = {2006}, language = {en} } @article{Schoening2003, author = {Sch{\"o}ning, Michael Josef}, title = {Silicon-based biochemical sensors}, series = {CNI - The Center of Nanoelectronic Systems for Information Technology}, journal = {CNI - The Center of Nanoelectronic Systems for Information Technology}, publisher = {Foschungszentrum J{\"u}lich}, pages = {165 -- 170}, year = {2003}, language = {en} } @article{Schoening2002, author = {Sch{\"o}ning, Michael Josef}, title = {Novel approaches to design siliconbased field-effect sensors}, series = {Electrochemical Microsystem Technologies, New Trends in Electrochemistry Vol. 2}, journal = {Electrochemical Microsystem Technologies, New Trends in Electrochemistry Vol. 2}, publisher = {Taylor \& Francis}, address = {London New York}, pages = {384 -- 408}, year = {2002}, language = {en} } @article{Schoening2005, author = {Sch{\"o}ning, Michael Josef}, title = {"Playing around" with field-effect sensors on the basis of EIS structures, LAPS and ISFETs}, series = {Sensors. 5 (2005), H. 3}, journal = {Sensors. 5 (2005), H. 3}, isbn = {1424-8220}, pages = {126 -- 138}, year = {2005}, language = {en} } @article{Schoening2004, author = {Sch{\"o}ning, Michael Josef}, title = {"Voltohmmetry" - a new transducer principle for electrochemical sensors}, series = {Ultrathin electrochemical chemo- and biosensors : technology and performance / Vladimir M. Mirsky}, journal = {Ultrathin electrochemical chemo- and biosensors : technology and performance / Vladimir M. Mirsky}, publisher = {Springer}, address = {Berlin [u.a.]}, isbn = {3-540-21285-X}, pages = {117 -- 140}, year = {2004}, language = {en} } @article{Schoening2001, author = {Sch{\"o}ning, Michael Josef}, title = {Microelectronics contacts (bio-)chemistry - Semiconductor-based sensors}, series = {Biologi Italiani. 8 (2001)}, journal = {Biologi Italiani. 8 (2001)}, isbn = {0392-2510}, pages = {5 -- 10}, year = {2001}, language = {en} } @article{Schoening2003, author = {Sch{\"o}ning, Michael Josef}, title = {Silicon-based field-effect structures - From dielectrics to bioelectronics}, series = {Dielectrics in emerging technologies : proceedings of the international symposium ; [papers presented at the First International Symposium on Science and Technology of Dielectrics in Emerging Fields held from 27th April to 2nd May 2003 in Paris, France] / sponsoring divisions: Dielectric Science and Technology, Electronics. Ed.: D. Misra.}, journal = {Dielectrics in emerging technologies : proceedings of the international symposium ; [papers presented at the First International Symposium on Science and Technology of Dielectrics in Emerging Fields held from 27th April to 2nd May 2003 in Paris, France] / sponsoring divisions: Dielectric Science and Technology, Electronics. Ed.: D. Misra.}, publisher = {Electrochemical Society}, address = {Pennington, NJ}, isbn = {1-56677-346-6}, pages = {31 -- 37}, year = {2003}, language = {en} } @article{Schoening2000, author = {Sch{\"o}ning, Michael Josef}, title = {Silicon recognizes biochemical parameters: Microchips for analytical sensor applications}, series = {American Laboratory. 32 (2000), H. 16}, journal = {American Laboratory. 32 (2000), H. 16}, isbn = {0044-7749}, pages = {24 -- 31}, year = {2000}, language = {en} } @article{SchusserPoghossianBaeckeretal.2012, author = {Schusser, Sebastian and Poghossian, Arshak and B{\"a}cker, Matthias and Leinhos, Marcel and Wagner, Patrick and Sch{\"o}ning, Michael Josef}, title = {Characterization of biodegradable polymers with capacitive field-effect sensors}, series = {Sensors and actuators B: Chemical}, volume = {187}, journal = {Sensors and actuators B: Chemical}, publisher = {Elsevier}, address = {Amsterdam}, issn = {0925-4005}, doi = {10.1016/j.snb.2012.07.099}, pages = {2 -- 7}, year = {2012}, abstract = {In vitro studies of the degradation kinetic of biopolymers are essential for the design and optimization of implantable biomedical devices. In the presented work, a field-effect capacitive sensor has been applied for the real-time and in situ monitoring of degradation processes of biopolymers for the first time. The polymer-covered field-effect sensor is, in principle, capable to detect any changes in bulk, surface and interface properties of the polymer induced by degradation processes. The feasibility of this approach has been experimentally proven by using the commercially available biomedical polymer poly(D,L-lactic acid) (PDLLA) as a model system. PDLLA films of different thicknesses were deposited on the Ta₂O₅-gate surface of the field-effect structure from a polymer solution by means of spin-coating method. The polymer-modified field-effect sensors have been characterized by means of capacitance-voltage and impedance-spectroscopy method. The degradation of the PDLLA was accelerated by changing the degradation medium from neutral (pH 7.2) to alkaline (pH 9) condition, resulting in drastic changes in the capacitance and impedance spectra of the polymer-modified field-effect sensor.}, language = {en} } @article{SchusserPoghossianBaeckeretal.2015, author = {Schusser, Sebastian and Poghossian, Arshak and B{\"a}cker, Matthias and Krischer, M. and Leinhos, Marcel and Wagner, P. and Sch{\"o}ning, Michael Josef}, title = {An application of field-effect sensors for in-situ monitoring of degradation of biopolymers}, series = {Sensors and actuators B: Chemical}, volume = {207, Part B}, journal = {Sensors and actuators B: Chemical}, publisher = {Elsevier}, address = {Amsterdam}, issn = {1873-3077 (E-Journal); 0925-4005 (Print)}, doi = {10.1016/j.snb.2014.10.058}, pages = {954 -- 959}, year = {2015}, abstract = {The characterization of the degradation kinetics of biodegradable polymers is mandatory with regard to their proper application. In the present work, polymer-modified electrolyte-insulator-semiconductor (PMEIS) field-effect sensors have been applied for in-situ monitoring of the pH-dependent degradation kinetics of the commercially available biopolymer poly(d,l-lactic acid) (PDLLA) in buffer solutions from pH 3 to pH 13. PDLLA films of 500 nm thickness were deposited on the surface of an Al-p-Si-SiO2-Ta2O5 structure from a polymer solution by means of spin-coating method. The PMEIS sensor is, in principle, capable to detect any changes in bulk, surface and interface properties of the polymer induced by degradation processes. A faster degradation has been observed for PDLLA films exposed to alkaline solutions (pH 9, pH 11 and pH 13).}, language = {en} } @article{SchusserMenzelBaeckeretal.2013, author = {Schusser, Sebastian and Menzel, S. and B{\"a}cker, Matthias and Leinhos, Marcel and Poghossian, Arshak and Wagner, P. and Sch{\"o}ning, Michael Josef}, title = {Degradation of thin poly(lactic acid) films: characterization by capacitance-voltage, atomic force microscopy, scanning electron microscopy and contact-angle measurements}, series = {Electrochimica Acta}, volume = {Vol. 113}, journal = {Electrochimica Acta}, publisher = {Elsevier}, address = {Amsterdam}, issn = {1873-3859 (E-Journal); 0013-4686 (Print)}, pages = {779 -- 784}, year = {2013}, language = {en} } @article{SchusserLeinhosBaeckeretal.2013, author = {Schusser, Sebastian and Leinhos, Marcel and B{\"a}cker, Matthias and Poghossian, Arshak and Wagner, Patrick and Sch{\"o}ning, Michael Josef}, title = {Impedance spectroscopy: A tool for real-time in situ monitoring of the degradation of biopolymers}, series = {Physica Status Solidi (A)}, volume = {210}, journal = {Physica Status Solidi (A)}, number = {5}, publisher = {Wiley}, address = {Weinheim}, issn = {1521-396X ; 0031-8965}, doi = {10.1002/pssa.201200941}, pages = {905 -- 910}, year = {2013}, abstract = {Investigation of the degradation kinetics of biodegradable polymers is essential for the development of implantable biomedical devices with predicted biodegradability. In this work, an impedimetric sensor has been applied for real-time and in situ monitoring of degradation processes of biopolymers. The sensor consists of two platinum thin-film electrodes covered by a polymer film to be studied. The benchmark biomedical polymer poly(D,L-lactic acid) (PDLLA) was used as a model system. PDLLA films were deposited on the sensor structure from a polymer solution by using the spin-coating method. The degradation kinetics of PDLLA films have been studied in alkaline solutions of pH 9 and 12 by means of an impedance spectroscopy (IS) method. Any changes in a polymer capacitance/resistance induced by water uptake and/or polymer degradation will modulate the global impedance of the polymer-covered sensor that can be used as an indicator of the polymer degradation. The degradation rate can be evaluated from the time-dependent impedance spectra. As expected, a faster degradation has been observed for PDLLA films exposed to pH 12 solution.}, language = {en} } @article{SchusserKrischerBaeckeretal.2015, author = {Schusser, Sebastian and Krischer, Maximillian and B{\"a}cker, Matthias and Poghossian, Arshak and Wagner, Patrick and Sch{\"o}ning, Michael Josef}, title = {Monitoring of the Enzymatically Catalyzed Degradation of Biodegradable Polymers by Means of Capacitive Field-Effect Sensors}, series = {Analytical Chemistry}, volume = {87}, journal = {Analytical Chemistry}, number = {13}, publisher = {ACS Publications}, address = {Washington, DC}, issn = {1520-6882}, doi = {10.1021/acs.analchem.5b00617}, pages = {6607 -- 6613}, year = {2015}, abstract = {Designing novel or optimizing existing biodegradable polymers for biomedical applications requires numerous tests on the effect of substances on the degradation process. In the present work, polymer-modified electrolyte-insulator-semiconductor (PMEIS) sensors have been applied for monitoring an enzymatically catalyzed degradation of polymers for the first time. The thin films of biodegradable polymer poly(d,l-lactic acid) and enzyme lipase were used as a model system. During degradation, the sensors were read-out by means of impedance spectroscopy. In order to interpret the data obtained from impedance measurements, an electrical equivalent circuit model was developed. In addition, morphological investigations of the polymer surface have been performed by means of in situ atomic force microscopy. The sensor signal change, which reflects the progress of degradation, indicates an accelerated degradation in the presence of the enzyme compared to hydrolysis in neutral pH buffer media. The degradation rate increases with increasing enzyme concentration. The obtained results demonstrate the potential of PMEIS sensors as a very promising tool for in situ and real-time monitoring of degradation of polymers.}, language = {en} } @article{SchusserKrischerMolinetal.2015, author = {Schusser, Sebastian and Krischer, M. and Molin, D. G. M. and Akker, N. M. S. van den and B{\"a}cker, Matthias and Poghossian, Arshak and Sch{\"o}ning, Michael Josef}, title = {Sensor System for in-situ and Real-time Monitoring of Polymer (bio) degradation}, series = {Procedia Engineering}, volume = {120}, journal = {Procedia Engineering}, publisher = {Elsevier}, address = {Amsterdam}, issn = {1877-7058}, doi = {10.1016/j.proeng.2015.08.815}, pages = {948 -- 951}, year = {2015}, abstract = {A sensor system for investigating (bio)degradationprocesses of polymers is presented. The system utilizes semiconductor field-effect sensors and is capable of monitoring the degradation process in-situ and in real-time. The degradation of the polymer poly(d,l-lactic acid) is exemplarily monitored in solutions with different pH value, pH-buffer solution containing the model enzyme lipase from Rhizomucormiehei and cell-culture medium containing supernatants from stimulated and non-stimulated THP-1-derived macrophages mimicking activation of the immune system.}, language = {en} } @article{SchusserBaeckerKrischeretal.2014, author = {Schusser, Sebastian and B{\"a}cker, Matthias and Krischer, M. and Wenzel, L. and Leinhos, Marcel and Poghossian, Arshak and Biselli, Manfred and Wagner, P. and Sch{\"o}ning, Michael Josef}, title = {Enzymatically catalyzed degradation of biodegradable polymers investigated by means of a semiconductor-based field-effect sensor}, series = {Procedia Engineering}, volume = {87}, journal = {Procedia Engineering}, publisher = {Elsevier}, address = {Amsterdam}, issn = {1877-7058}, doi = {10.1016/j.proeng.2014.11.689}, pages = {1314 -- 1317}, year = {2014}, abstract = {A semiconductor field-effect device has been used for an enzymatically catalyzed degradation of biopolymers for the first time. This novel technique is capable to monitor the degradation process of multiple samples in situ and in real-time. As model system, the degradation of the biopolymer poly(D, L-lactic acid) has been monitored in the degradation medium containing the enzyme lipase from Rhizomucor miehei. The obtained results demonstrate the potential of capacitive field-effect sensors for degradation studies of biodegradable polymers.}, language = {en} } @article{SchubertSchoeningSchmidtetal.1999, author = {Schubert, J. and Sch{\"o}ning, Michael Josef and Schmidt, C. and Siegert, M. and Mesters, S. and Zander, W. and Kordos, P. and L{\"u}th, H. and Legin, A. and Mourzina, Y. G. and Seleznev, B. and Vlasov, Y. G.}, title = {Chalcogenide-based thin film sensors prepared by pulsed laser deposition technique}, series = {Applied Physics A. 69, (1999), H. Supplement 1}, journal = {Applied Physics A. 69, (1999), H. Supplement 1}, isbn = {0947-8396}, doi = {10.1007/s003390051534}, pages = {803 -- 805}, year = {1999}, language = {en} } @article{SchubertSchoeningMourzinaetal.2001, author = {Schubert, J. and Sch{\"o}ning, Michael Josef and Mourzina, Y. G. and Legin, A. V. and Vlasov, Y. G. and Zander, W. and L{\"u}th, H.}, title = {Multicomponent thin films for electrochemical sensor applications prepared by pulsed laser deposition}, series = {Sensors and Actuators B. 76 (2001), H. 1-3}, journal = {Sensors and Actuators B. 76 (2001), H. 1-3}, isbn = {0925-4005}, pages = {327 -- 330}, year = {2001}, language = {en} } @article{SchrothWeissbeckerSchuetzetal.2002, author = {Schroth, P. and Weißbecker, B. and Sch{\"u}tz, S. and Ecken, H. and Yoshinobu, T. and L{\"u}th, H. and Sch{\"o}ning, Michael Josef}, title = {Bioelectronic signal processing - intact chemoreceptors coupled to field-effect devices}, series = {Lecture Notes of the ICB Seminars}, journal = {Lecture Notes of the ICB Seminars}, publisher = {MCB}, address = {Warsaw}, pages = {28 -- 42}, year = {2002}, language = {en} } @article{SchrothWeissbeckerSchuetzetal.2001, author = {Schroth, P. and Weißbecker, B. and Sch{\"u}tz, S. and Ecken, H. and Yoshinobu, T. and L{\"u}th, H. and Sch{\"o}ning, Michael Josef}, title = {Bioelectronic signal processing - intact chemoreceptors coupled to field-effect devices}, series = {Biocybernetics and Biomedical Engineering. 21 (2001), H. 3}, journal = {Biocybernetics and Biomedical Engineering. 21 (2001), H. 3}, isbn = {0208-5216}, pages = {27 -- 42}, year = {2001}, language = {en} } @article{SchrothSchoeningSchuetzetal.1999, author = {Schroth, P. and Sch{\"o}ning, Michael Josef and Sch{\"u}tz, S. and Malkoc, {\"U}. and Steffen, A. and Marso, M. and Hummel, Hans E. and Kordos, P. and L{\"u}th, H.}, title = {Coupling of insect antennae to field-effect transistors for biochemical sensing}, series = {Electrochimica Acta. 44 (1999), H. 21-22}, journal = {Electrochimica Acta. 44 (1999), H. 21-22}, issn = {0013-4686}, pages = {3821 -- 3826}, year = {1999}, language = {en} } @article{SchrothSchoeningSchuetzetal.1999, author = {Schroth, P. and Sch{\"o}ning, Michael Josef and Sch{\"u}tz, S. and Epanya, P. and Steffen, A. and Weißbecker, B. and Hummel, Hans E. and Kordos, P. and L{\"u}th, H.}, title = {Improving the bioelectronic interface of an antenna/chip biosensor - technological aspects}, series = {Proceedings : The Hague, The Netherlands, September 12 - 15, 1999 / [ed. by M. Bartek]. Vol 1.}, journal = {Proceedings : The Hague, The Netherlands, September 12 - 15, 1999 / [ed. by M. Bartek]. Vol 1.}, address = {The Hague, The Netherlands}, isbn = {90-76699-02-X}, pages = {569 -- 572}, year = {1999}, language = {en} } @article{SchrothSchoeningLuethetal.2001, author = {Schroth, P. and Sch{\"o}ning, Michael Josef and L{\"u}th, H. and Weißbecker, B. and Hummel, Hans E. and Sch{\"u}tz, S.}, title = {Extending the capabilities of an antenna/chip biosensor by employing various insect species}, series = {Sensors and Actuators B. 78 (2001), H. 1-3}, journal = {Sensors and Actuators B. 78 (2001), H. 1-3}, isbn = {0925-4005}, pages = {1 -- 5}, year = {2001}, language = {en} } @article{SchrothSchoeningLuethetal.2000, author = {Schroth, P. and Sch{\"o}ning, Michael Josef and L{\"u}th, H. and Weißbecker, B. and Hummel, Hans E. and Sch{\"u}tz, S.}, title = {Extending the capabilities of an antenna/chip biosensor by employing various insect species}, series = {Proceedings : Copenhagen, Denmark, 27 - 30 August 2000 / [ed.: R. de Reus ...]}, journal = {Proceedings : Copenhagen, Denmark, 27 - 30 August 2000 / [ed.: R. de Reus ...]}, publisher = {MIC, Mikroelektronik Centret}, address = {Lyngby, Denmark}, isbn = {87-89935-50-0}, pages = {27 -- 30}, year = {2000}, language = {en} } @article{SchrothSchoeningKordosetal.1999, author = {Schroth, P. and Sch{\"o}ning, Michael Josef and Kordos, P. and L{\"u}th, H. and Sch{\"u}tz, S. and Weißbecker, B. and Hummel, Hans E.}, title = {Insectbased BioFETs with improved signal characteristics}, series = {Biosensors \& Bioelectronics. 14 (1999), H. 3}, journal = {Biosensors \& Bioelectronics. 14 (1999), H. 3}, issn = {0956-5663}, pages = {303 -- 308}, year = {1999}, language = {en} } @article{SchrothLuethHummeletal.2001, author = {Schroth, P. and L{\"u}th, H. and Hummel, Hans E. and Sch{\"u}tz, S. and Sch{\"o}ning, Michael Josef}, title = {Characterising an insect antenna as a receptor for a biosensor by means of impedance spectroscopy}, series = {Scaling down in electrochemistry : electrochemical micro- and nanosystem technology ; proceedings of the 3rd International Symposium on Electrochemical Microsystem Technologies, Garmisch-Patenkirchen, Germany, 11 - 15 September 2000 / ed. by J. W. Schultz}, journal = {Scaling down in electrochemistry : electrochemical micro- and nanosystem technology ; proceedings of the 3rd International Symposium on Electrochemical Microsystem Technologies, Garmisch-Patenkirchen, Germany, 11 - 15 September 2000 / ed. by J. W. Schultz}, publisher = {Elsevier [u.a.]}, address = {Amsterdam [u.a.]}, isbn = {0-08-044014-2}, pages = {293 -- 297}, year = {2001}, language = {en} } @article{SchollMoraisGabrieletal.2017, author = {Scholl, Fabio and Morais, Paulo and Gabriel, Rayla and Sch{\"o}ning, Michael Josef and Siqueira, Jose Roberto, Jr. and Caseli, Luciano}, title = {Carbon nanotubes arranged as smart interfaces in lipid Langmuir-Blodgett films enhancing the enzymatic properties of penicillinase for biosensing applications}, series = {Applied Materials \& Interfaces}, volume = {9}, journal = {Applied Materials \& Interfaces}, number = {36}, publisher = {ACS}, address = {Washington}, issn = {1944-8252}, doi = {10.1021/acsami.7b08095}, pages = {31054 -- 31066}, year = {2017}, abstract = {In this paper, carbon nanotubes (CNTs) were incorporated in penicillinase-phospholipid Langmuir and Langmuir-Blodgett (LB) films to enhance the enzyme catalytic properties. Adsorption of the penicillinase and CNTs at dimyristoylphosphatidic acid (DMPA) monolayers at the air-water interface was investigated by surface pressure-area isotherms, vibrational spectroscopy, and Brewster angle microscopy. The floating monolayers were transferred to solid supports through the LB technique, forming mixed DMPA-CNTs-PEN films, which were investigated by quartz crystal microbalance, vibrational spectroscopy, and atomic force microscopy. Enzyme activity was studied with UV-vis spectroscopy and the feasibility of the supramolecular device nanostructured as ultrathin films were essayed in a capacitive electrolyte-insulator-semiconductor (EIS) sensor device. The presence of CNTs in the enzyme-lipid LB film not only tuned the catalytic activity of penicillinase but also helped conserve its enzyme activity after weeks, showing increased values of activity. Viability as penicillin sensor was demonstrated with capacitance/voltage and constant capacitance measurements, exhibiting regular and distinctive output signals over all concentrations used in this work. These results may be related not only to the nanostructured system provided by the film, but also to the synergism between the compounds on the active layer, leading to a surface morphology that allowed a fast analyte diffusion because of an adequate molecular accommodation, which also preserved the penicillinase activity. This work therefore demonstrates the feasibility of employing LB films composed of lipids, CNTs, and enzymes as EIS devices for biosensing applications.}, language = {en} } @article{SchmittWernerSchoening2002, author = {Schmitt, G. and Werner, C. and Sch{\"o}ning, Michael Josef}, title = {Microelectrochemical efficiency evaluation of inhibitors for CO2 corrosion of carbon steel under high shear stress gradients}, series = {Corrosion 2002. Conference Proceedings. NACExpo, 57th Annual Conference and Exhibition, Denver, US, Apr 7-11, 2002}, journal = {Corrosion 2002. Conference Proceedings. NACExpo, 57th Annual Conference and Exhibition, Denver, US, Apr 7-11, 2002}, publisher = {NACE International}, address = {Houston, Texas}, pages = {1 -- 11}, year = {2002}, language = {en} } @article{SchmittSchultzeFassbenderetal.1999, author = {Schmitt, G. and Schultze, J.-W. and Faßbender, F. and Buß, G. and L{\"u}th, H. and Sch{\"o}ning, Michael Josef}, title = {Passivation and corrosion of microelectrode arrays}, series = {Electrochimica Acta. 44 (1999), H. 21-22}, journal = {Electrochimica Acta. 44 (1999), H. 21-22}, isbn = {0013-4686}, pages = {3865 -- 3883}, year = {1999}, language = {en} } @article{SchmittFassbenderLuethetal.2000, author = {Schmitt, G. and Faßbender, F. and L{\"u}th, H. and Sch{\"o}ning, Michael Josef and Schultze, J. W. and Buß, G.}, title = {Passivation and corrosion of microelectrode arrays}, series = {Materials and Corrosion. 51 (2000), H. 1}, journal = {Materials and Corrosion. 51 (2000), H. 1}, isbn = {0947-5117}, pages = {20 -- 25}, year = {2000}, language = {en} } @article{RoehlenPilasSchoeningetal.2017, author = {R{\"o}hlen, Desiree and Pilas, Johanna and Sch{\"o}ning, Michael Josef and Selmer, Thorsten}, title = {Development of an amperometric biosensor platform for the combined determination of l-Malic, Fumaric, and l-Aspartic acid}, series = {Applied Biochemistry and Biotechnology}, volume = {183}, journal = {Applied Biochemistry and Biotechnology}, publisher = {Springer}, address = {Berlin}, issn = {1559-0291}, doi = {10.1007/s12010-017-2578-1}, pages = {566 -- 581}, year = {2017}, abstract = {Three amperometric biosensors have been developed for the detection of L-malic acid, fumaric acid, and L -aspartic acid, all based on the combination of a malate-specific dehydrogenase (MDH, EC 1.1.1.37) and diaphorase (DIA, EC 1.8.1.4). The stepwise expansion of the malate platform with the enzymes fumarate hydratase (FH, EC 4.2.1.2) and aspartate ammonia-lyase (ASPA, EC 4.3.1.1) resulted in multi-enzyme reaction cascades and, thus, augmentation of the substrate spectrum of the sensors. Electrochemical measurements were carried out in presence of the cofactor β-nicotinamide adenine dinucleotide (NAD+) and the redox mediator hexacyanoferrate (III) (HCFIII). The amperometric detection is mediated by oxidation of hexacyanoferrate (II) (HCFII) at an applied potential of + 0.3 V vs. Ag/AgCl. For each biosensor, optimum working conditions were defined by adjustment of cofactor concentrations, buffer pH, and immobilization procedure. Under these improved conditions, amperometric responses were linear up to 3.0 mM for L-malate and fumarate, respectively, with a corresponding sensitivity of 0.7 μA mM-1 (L-malate biosensor) and 0.4 μA mM-1 (fumarate biosensor). The L-aspartate detection system displayed a linear range of 1.0-10.0 mM with a sensitivity of 0.09 μA mM-1. The sensor characteristics suggest that the developed platform provides a promising method for the detection and differentiation of the three substrates.}, language = {en} } @article{RoehlenPilasDahmenetal.2018, author = {R{\"o}hlen, Desiree and Pilas, Johanna and Dahmen, Markus and Keusgen, Michael and Selmer, Thorsten and Sch{\"o}ning, Michael Josef}, title = {Toward a Hybrid Biosensor System for Analysis of Organic and Volatile Fatty Acids in Fermentation Processes}, series = {Frontiers in Chemistry}, journal = {Frontiers in Chemistry}, number = {6}, publisher = {Frontiers}, address = {Lausanne}, doi = {10.3389/fchem.2018.00284}, pages = {Artikel 284}, year = {2018}, abstract = {Monitoring of organic acids (OA) and volatile fatty acids (VFA) is crucial for the control of anaerobic digestion. In case of unstable process conditions, an accumulation of these intermediates occurs. In the present work, two different enzyme-based biosensor arrays are combined and presented for facile electrochemical determination of several process-relevant analytes. Each biosensor utilizes a platinum sensor chip (14 × 14 mm²) with five individual working electrodes. The OA biosensor enables simultaneous measurement of ethanol, formate, d- and l-lactate, based on a bi-enzymatic detection principle. The second VFA biosensor provides an amperometric platform for quantification of acetate and propionate, mediated by oxidation of hydrogen peroxide. The cross-sensitivity of both biosensors toward potential interferents, typically present in fermentation samples, was investigated. The potential for practical application in complex media was successfully demonstrated in spiked sludge samples collected from three different biogas plants. Thereby, the results obtained by both of the biosensors were in good agreement to the applied reference measurements by photometry and gas chromatography, respectively. The proposed hybrid biosensor system was also used for long-term monitoring of a lab-scale biogas reactor (0.01 m³) for a period of 2 months. In combination with typically monitored parameters, such as gas quality, pH and FOS/TAC (volatile organic acids/total anorganic carbonate), the amperometric measurements of OA and VFA concentration could enhance the understanding of ongoing fermentation processes.}, language = {en} } @article{RolkaPoghossianSchoening2004, author = {Rolka, David and Poghossian, Arshak and Sch{\"o}ning, Michael Josef}, title = {Integration of a capacitive EIS sensor into a FIA system for pH and penicillin determination}, series = {Sensors. 4 (2004)}, journal = {Sensors. 4 (2004)}, isbn = {1424-8220}, pages = {84 -- 94}, year = {2004}, language = {en} } @article{RodriguesMoraisNordietal.2018, author = {Rodrigues, Raul T. and Morais, Paulo V. and Nordi, Cristina S. F. and Sch{\"o}ning, Michael Josef and Siqueira Jr., Jos{\´e} R. and Caseli, Luciano}, title = {Carbon Nanotubes and Algal Polysaccharides To Enhance the Enzymatic Properties of Urease in Lipid Langmuir-Blodgett Films}, series = {Langmuir}, volume = {34}, journal = {Langmuir}, number = {9}, publisher = {ACS Publications}, address = {Washington, DC}, issn = {1520-5827}, doi = {10.1021/acs.langmuir.7b04317}, pages = {3082 -- 3093}, year = {2018}, abstract = {Algal polysaccharides (extracellular polysaccharides) and carbon nanotubes (CNTs) were adsorbed on dioctadecyldimethylammonium bromide Langmuir monolayers to serve as a matrix for the incorporation of urease. The physicochemical properties of the supramolecular system as a monolayer at the air-water interface were investigated by surface pressure-area isotherms, surface potential-area isotherms, interfacial shear rheology, vibrational spectroscopy, and Brewster angle microscopy. The floating monolayers were transferred to hydrophilic solid supports, quartz, mica, or capacitive electrolyte-insulator-semiconductor (EIS) devices, through the Langmuir-Blodgett (LB) technique, forming mixed films, which were investigated by quartz crystal microbalance, fluorescence spectroscopy, and field emission gun scanning electron microscopy. The enzyme activity was studied with UV-vis spectroscopy, and the feasibility of the thin film as a urea sensor was essayed in an EIS sensor device. The presence of CNT in the enzyme-lipid LB film not only tuned the catalytic activity of urease but also helped to conserve its enzyme activity. Viability as a urease sensor was demonstrated with capacitance-voltage and constant capacitance measurements, exhibiting regular and distinctive output signals over all concentrations used in this work. These results are related to the synergism between the compounds on the active layer, leading to a surface morphology that allowed fast analyte diffusion owing to an adequate molecular accommodation, which also preserved the urease activity. This work demonstrates the feasibility of employing LB films composed of lipids, CNT, algal polysaccharides, and enzymes as EIS devices for biosensing applications.}, language = {en} } @article{RiemerSchrothSchuetzetal.2000, author = {Riemer, A. and Schroth, P. and Sch{\"u}tz, S. and Hummel, Hans E. and L{\"u}th, H. and Kohl, C.-D. and Sch{\"o}ning, Michael Josef}, title = {The future of fire detection: Biological sensors? - Die Zukunft der Brandgassensorik: Biologische Sensoren?}, series = {Gassensorik in der Brandmeldetechnik : [VdS-Fachtagung, am 15. und 16. November 2000 in K{\"o}ln] = Gas sensors for fire detection / VdS Schadenverh{\"u}tung}, journal = {Gassensorik in der Brandmeldetechnik : [VdS-Fachtagung, am 15. und 16. November 2000 in K{\"o}ln] = Gas sensors for fire detection / VdS Schadenverh{\"u}tung}, publisher = {VdS Schadenverh{\"u}tung}, address = {K{\"o}ln}, pages = {1 -- 7}, year = {2000}, language = {en} } @article{RiedelKartchemnikSchoeningetal.2014, author = {Riedel, Marc and Kartchemnik, Julia and Sch{\"o}ning, Michael Josef and Lisdat, Fred}, title = {Impedimetric DNA detection - steps forward to sensorial application}, series = {Analytical chemistry}, volume = {86 (2014)}, journal = {Analytical chemistry}, number = {15}, publisher = {ACS Publications}, address = {Columbus}, issn = {1520-6882 (E-Journal); 0003-2700 (Print); 0096-4484 (Print)}, doi = {10.1021/ac501800q}, pages = {7867 -- 7874}, year = {2014}, abstract = {This study describes a label-free impedimetric sensor based on short ssDNA recognition elements for the detection of hybridization events. We concentrate on the elucidation of the influence of target length and recognition sequence position on the sensorial performance. The impedimetric measurements are performed in the presence of the redox system ferri-/ferrocyanide and show an increase in charge transfer resistance upon hybridization of ssDNA to the sensor surface. Investigations on the impedimetric signal stability demonstrate a clear influence of the buffers used during the sensor preparation and the choice of the passivating mercaptoalcanol compound. A stable sensor system has been developed, enabling a reproducible detection of 25mer target DNA in the low nanomolar range. After hybridization, a sensor regeneration can be reached with deionized water by adjustment of effective convection conditions, ensuring a sensor reusability. By investigations of longer targets with overhangs exposed to the solution, we can demonstrate applicability of the impedimetric detection for longer ssDNA. However, a decreasing charge transfer resistance change (ΔRct) is found by extending the overhang. As a strategy to increase the impedance change for longer target strands, the position of the recognition sequence can be designed in a way that a small overhang is exposed to the electrode surface. This is found to result in an increase in the relative Rct change. These results suggest that DNA and consequently negative charge near the electrode possess a larger impact on the impedimetric signal than DNA further away.}, language = {en} }