@article{ReisertHenkelSchneideretal.2010,
  author    = {Reisert, Steffen and Henkel, Hartmut and Schneider, Andreas and Sch{\"a}fer, Daniel and Friedrich, Peter and Berger, J{\"o}rg and Sch{\"o}ning, Michael Josef},
  title     = {Development of a handheld sensor system for the online measurement of hydrogen peroxide in aseptic filling systems},
  series = {Physica Status Solidi (A)},
  volume    = {207},
  journal   = {Physica Status Solidi (A)},
  number    = {4},
  publisher = {Wiley-VCH},
  address   = {Berlin},
  issn      = {1862-6300},
  doi       = {10.1002/pssa.200983304},
  pages     = {913 -- 918},
  year      = {2010},
  abstract  = {A handheld sensor system for the online measurement of hydrogen peroxide (H2O2) in aseptic sterilisation processes has been developed. It is based on a calorimetric-type gas sensor that consists of a differential set-up of two temperature sensors, of which one is catalytically activated and the second one is passivated and used as reference. The sensor principle relies in detecting a rise in temperature on the active sensor due to the exothermic reaction of H2O2 on the catalytic surface. To characterise the sensor system towards H2O2 sensitivity and other influencing factors, measurements have been carried out both at an experimental set-up and a manufacturer's sterilisation machine. Physical sensor characterisation was done by means of the optical microscopy.},
  language  = {en}
}
@article{MiyamotoSugawaraKanohetal.2010,
  author    = {Miyamoto, Ko-ichiro and Sugawara, Yuri and Kanoh, Shin´ichiro and Yoshinobu, Tatsuo and Wagner, Torsten and Sch{\"o}ning, Michael Josef},
  title     = {Image correction method for the chemical imaging sensor},
  series = {Sensors and Actuators B: Chemical},
  volume    = {144},
  journal   = {Sensors and Actuators B: Chemical},
  number    = {2},
  publisher = {Elsevier},
  address   = {Amsterdam},
  issn      = {0925-4005},
  doi       = {10.1016/j.snb.2008.10.069},
  pages     = {344 -- 348},
  year      = {2010},
  abstract  = {The chemical imaging sensor is a semiconductor-based chemical sensor that can visualize the spatial distribution of chemical species. For the practical application of this sensor, artifacts in the chemical images due to defects of the semiconductor substrate and contamination of the sensing surface etc. have been a major problem. An image correction method was developed to eliminate the influence of nonuniformity of individual sensor plate.},
  language  = {en}
}
@article{AbouzarPoghossianSiqueiraetal.2010,
  author    = {Abouzar, Maryam H. and Poghossian, Arshak and Siqueira, Jos{\´e} R. Jr. and Oliveira, Osvaldo N. Jr. and Moritz, Werner and Sch{\"o}ning, Michael Josef},
  title     = {Capacitive electrolyte-insulator-semiconductor structures functionalised with a polyelectrolyte/enzyme multilayer: New strategy for enhanced field-effect biosensing},
  series = {Physica Status Solidi (A)},
  volume    = {207},
  journal   = {Physica Status Solidi (A)},
  number    = {4},
  publisher = {Wiley-VCH},
  address   = {Berlin},
  issn      = {1862-6300},
  doi       = {10.1002/pssa.200983317},
  pages     = {884 -- 890},
  year      = {2010},
  abstract  = {A novel strategy for enhanced field-effect biosensing using capacitive electrolyte-insulator-semiconductor (EIS) structures functionalised with pH-responsive weak polyelectrolyte/enzyme or dendrimer/enzyme multilayers is presented. The feasibility of the proposed approach is exemplarily demonstrated by realising a penicillin biosensor based on a capacitive p-Si-SiO2 EIS structure functionalised with a poly(allylamine hydrochloride) (PAH)/penicillinase and a poly(amidoamine) dendrimer/penicillinase multilayer. The developed sensors response to changes in both the local pH value near the gate surface and the charge of macromolecules induced via enzymatic reaction, resulting in a higher sensitivity. For comparison, an EIS penicillin biosensor with adsorptively immobilised penicillinase has been also studied. The highest penicillin sensitivity of 100 mV/dec has been observed for the EIS sensor functionalised with the PAH/penicillinase multilayer. The lower and upper detection limit was around 20 µM and 10 mM, respectively. In addition, an incorporation of enzymes in a multilayer prepared by layer-by-layer technique provides a larger amount of immobilised enzymes per sensor area, reduces enzyme leaching effects and thus, enhances the biosensor lifetime (the loss of penicillin sensitivity after 2 months was 10-12\%).},
  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)},
  volume    = {207},
  journal   = {Physica Status Solidi (A)},
  number    = {4},
  publisher = {Wiley-VCH},
  address   = {Berlin},
  issn      = {1862-6300},
  doi       = {10.1002/pssa.200983309},
  pages     = {787 -- 792},
  year      = {2010},
  abstract  = {In aseptic filling systems, hydrogen peroxide vapour is commonly used for the reduction of microbial contaminations in carton packages. In this process, the germicidal efficiency of the vapour depends especially on the H₂O₂ concentration. To monitor the H₂O₂ concentration, a calorimetric H₂O₂ gas sensor based on a catalytically activated thin-film thermopile is investigated. Two different sensor layouts, namely a circular and a linear form, as well as two various material pairs such as tungsten/nickel and gold/nickel, have been examined for the realization of a thin-film thermopile. Additionally, manganese oxide and palladium particles have been compared as responsive catalysts towards H₂O₂. The thin-film sensors have been investigated at various H₂O₂ concentrations, gas temperatures and flow rates.},
  language  = {en}
}
@article{BuniatyanAbouzarMartirosyanetal.2010,
  author    = {Buniatyan, Vahe V. and Abouzar, Maryam H. and Martirosyan, Norayr W. and Schubert, J{\"u}rgen and Gevorgian, Spartak and Sch{\"o}ning, Michael Josef and Poghossian, Arshak},
  title     = {pH-sensitive properties of barium strontium titanate (BST) thin films prepared by pulsed laser deposition technique},
  series = {Physica Status Solidi (A)},
  volume    = {207},
  journal   = {Physica Status Solidi (A)},
  number    = {4},
  publisher = {Wiley-VCH},
  address   = {Berlin},
  issn      = {1862-6300},
  doi       = {10.1002/pssa.200983310},
  pages     = {824 -- 830},
  year      = {2010},
  abstract  = {pH-sensitive properties of barium strontium titanate (BST) high-k thin films as alternative gate material for field-effect capacitive (bio-)chemical sensors based on an electrolyte-insulator-semiconductor system have been investigated. The BST films of different compositions (Ba0.31Sr0.69TiO3, Ba0.25Sr0.75TiO3 and Mg-doped Ba0.8Sr0.2Mg0.1Ti0.9O3) were deposited by pulsed laser deposition technique from targets fabricated by self-propagating high-temperature synthesis. The realised sensors have been electrochemically characterised by means of impedance-spectroscopy, capacitance-voltage and constant-capacitance method. The sensors possess a Nernstian-like pH sensitivity in the concentration range between pH 3 and 11 with a response time of 5-10 s. An equivalent circuit model for the BST-based capacitive field-effect sensor is discussed.},
  language  = {en}
}
@article{TurekHeidenGuoetal.2010,
  author    = {Turek, Monik and Heiden, Wolfgang and Guo, Sharon and Riesen, Alfred and Schubert, J{\"u}rgen and Zander, Willi and Kr{\"u}ger, Peter and Keusgen, Michael and Sch{\"o}ning, Michael Josef},
  title     = {Simultaneous detection of cyanide and heavy metals for environmental analysis by means of µISEs},
  series = {Physica Status Solidi (A)},
  volume    = {207},
  journal   = {Physica Status Solidi (A)},
  number    = {4},
  publisher = {Wiley-VCH},
  address   = {Berlin},
  issn      = {1862-6300},
  doi       = {10.1002/pssa.200983303},
  pages     = {817 -- 823},
  year      = {2010},
  abstract  = {In environmental analysis, cyanide and heavy metals play an important role, because these substances are highly toxic for biological systems. They can lead to chronic and acute diseases. Due to the chemical properties of cyanide it is frequently used for industrial processes such as extraction of silver and gold. Heavy metals can be found as trace elements in nature and are often applied in industries e.g., galvanization processes. Up to now, cyanide and heavy metals can be detected by several sensors separately and their detection is often limited to laboratory investigations. In this publication, with regard to an in situ analysis, a new miniaturized silicon-based sensor system for the simultaneous detection of cyanide and heavy metals in aqueous solutions is presented that is based on chalcogenide glass-based micro ion-selective electrodes (µISEs). The µISEs are incorporated into a specially designed measuring system for the simultaneous detection of heavy metals and cyanide in solutions and validated by simultaneous measurements of Cu2+- and CN--ions, Cd2+- and CN-- ions and Pb2+- and CN--ions. The particular sensor system has shown good sensor properties in the µ-molar ion-concentration range. For simultaneous measurements in complex heavy metal and cyanide solutions an intelligent software using fuzzy logic is discussed.},
  language  = {en}
}
@article{SiqueiraBaeckerPoghossianetal.2010,
  author    = {Siqueira, Jos{\´e} R. Jr. and B{\"a}cker, Matthias and Poghossian, Arshak and Zucolotto, Valtencir and Oliveira, Osvaldo N. Jr. and Sch{\"o}ning, Michael Josef},
  title     = {Associating biosensing properties with the morphological structure of multilayers containing carbon nanotubes on field-effect devices},
  series = {Physica Status Solidi (A)},
  volume    = {207},
  journal   = {Physica Status Solidi (A)},
  number    = {4},
  publisher = {Wiley-VCH},
  address   = {Berlin},
  issn      = {1862-6300},
  doi       = {10.1002/pssa.200983301},
  pages     = {781 -- 786},
  year      = {2010},
  abstract  = {The control of molecular architecture provided by the layer-by-layer (LbL) technique has led to enhanced biosensors, in which advantageous features of distinct materials can be combined. Full optimization of biosensing performance, however, is only reached if the film morphology is suitable for the principle of detection of a specific biosensor. In this paper, we report a detailed morphology analysis of LbL films made with alternating layers of single-walled carbon nanotubes (SWNTs) and polyamidoamine (PAMAM) dendrimers, which were then covered with a layer of penicillinase (PEN). An optimized performance to detect penicillin G was obtained with 6-bilayer SWNT/PAMAM LbL films deposited on p-Si-SiO2-Ta2O5 chips, used in biosensors based on a capacitive electrolyte-insulator-semiconductor (EIS) and a light-addressable potentiometric sensor (LAPS) structure, respectively. Field-emission scanning electron microscopy (FESEM) and atomic force microscopy (AFM) images indicated that the LbL films were porous, with a large surface area due to interconnection of SWNT into PAMAM layers. This morphology was instrumental for the adsorption of a larger quantity of PEN, with the resulting LbL film being highly stable. The experiments to detect penicillin were performed with constant-capacitance (ConCap) and constant-current (CC) measurements for EIS and LAPS sensors, respectively, which revealed an enhanced detection signal and sensitivity of ca. 100 mV/decade for the field-effect sensors modified with the PAMAM/SWNT LbL film. It is concluded that controlling film morphology is essential for an enhanced performance of biosensors, not only in terms of sensitivity but also stability and response time.},
  language  = {en}
}
@article{GosslaButtelWahrmundetal.2010,
  author    = {Gossla, Ulrich and Buttel, Luc and Wahrmund, Holger and Mehlig, Bernd},
  title     = {Bemessung, Anwendung und Qualit{\"a}tssicherung von Stahlfaserspritzbeton im Tunnelbau},
  series = {Beton- und Stahlbetonbau},
  volume    = {105},
  journal   = {Beton- und Stahlbetonbau},
  number    = {2},
  publisher = {Ernst \& Sohn},
  address   = {Berlin},
  issn      = {0005-9900},
  doi       = {10.1002/best.200900688},
  pages     = {92 -- 101},
  year      = {2010},
  abstract  = {Die Spritzbetonbauweise hat sich im Tunnelbau seit Jahren bew{\"a}hrt. Spritzbeton wird als unbewehrter Beton, in Verbindung mit Bewehrung sowie als Stahlfaserspritzbeton eingesetzt. Bei den meisten Tunnelschalen aus Stahlfaserspritzbeton werden Stahlfasern derzeit nur als konstruktive Bewehrung verwendet. Die Faserzugabe f{\"u}hrt zu einer nennenswerten Erh{\"o}hung der Bruchenergie und somit zu einer h{\"o}heren Z{\"a}higkeit des sonst spr{\"o}den Materials und damit zu einer h{\"o}heren Sicherheit. Stahlfaserspritzbeton kann auch anstelle von Spritzbeton mit statisch erforderlicher Mattenbewehrung eingesetzt werden. Die Bemessung erfolgt dann unter Ber{\"u}cksichtigung der Nachrisszugfestigkeit. Diese kann wie bei Stahlfaserbeton an Biegebalken ermittelt werden, die aus gr{\"o}ßeren Proben herausges{\"a}gt werden. Anhand von verschiedenen Beispielen werden die unterschiedlichen Anwendungen aufgezeigt und die daf{\"u}r erforderlichen Pr{\"u}fungen vorgestellt.},
  language  = {de}
}
@article{UllrichGrottkeRossaintetal.2010,
  author    = {Ullrich, Sebastian and Grottke, Oliver and Rossaint, Rolf and Staat, Manfred and Deserno, Thomas M. and Kuhlen, Torsten},
  title     = {Virtual Needle Simulation with Haptics for Regional Anaesthesia},
  pages     = {3 Seiten},
  year      = {2010},
  language  = {en}
}
@article{Timme2010,
  author    = {Timme, Michael},
  title     = {Mietschuldenfreiheitsbescheinigung durch den bisherigen Vermieter?},
  series = {MDR Monatsschrift f{\"u}r Deutsches Recht},
  volume    = {64},
  journal   = {MDR Monatsschrift f{\"u}r Deutsches Recht},
  number    = {2},
  publisher = {Verlag Dr. Otto Schmidt},
  address   = {K{\"o}ln},
  issn      = {0340-1812},
  doi       = {10.9785/ovs-mdtr-2010-60},
  pages     = {60 -- 61},
  year      = {2010},
  abstract  = {Der VIII. Zivilsenat des BGH hat entschieden, dass ein Mieter von seinem ehemaligen Vermieter keine „Mietschuldenfreiheitsbescheinigung'' verlangen kann, die {\"u}ber eine Quittung f{\"u}r die erhaltenen Mietzahlungen hinausgeht. Der folgende Beitrag untersucht die Konsequenzen der aktuellen Entscheidung.},
  language  = {de}
}