TY  - JOUR
A1  - Poghossian, Arshak
A1  - Jablonski, Melanie
A1  - Koch, Claudia
A1  - Bronder, Thomas
A1  - Rolka, David
A1  - Wege, Christina
A1  - Schöning, Michael Josef
T1  - Field-effect biosensor using virus particles as scaffolds for enzyme immobilization
JF  - Biosensors and Bioelectronics
N2  - A field-effect biosensor employing tobacco mosaic virus (TMV) particles as scaffolds for enzyme immobilization is presented. Nanotubular TMV scaffolds allow a dense immobilization of precisely positioned enzymes with retained activity. To demonstrate feasibility of this new strategy, a penicillin sensor has been developed by coupling a penicillinase with virus particles as a model system. The developed field-effect penicillin biosensor consists of an Al-p-Si-SiO₂-Ta₂O₅-TMV structure and has been electrochemically characterized in buffer solutions containing different concentrations of penicillin G. In addition, the morphology of the biosensor surface with virus particles was characterized by scanning electron microscopy and atomic force microscopy methods. The sensors possessed a high penicillin sensitivity of ~ 92 mV/dec in a nearly-linear range from 0.1 mM to 10 mM, and a low detection limit of about 50 µM. The long-term stability of the penicillin biosensor was periodically tested over a time period of about one year without any significant loss of sensitivity. The biosensor has also been successfully applied for penicillin detection in bovine milk samples.
Y1  - 2018
U6  - https://doi.org/10.1016/j.bios.2018.03.036
SN  - 0956-5663
VL  - 110
SP  - 168
EP  - 174
PB  - Elsevier
CY  - Amsterdam
ER  - 
TY  - JOUR
A1  - Schöning, Michael Josef
A1  - Kirchner, Patrick
A1  - Ng, Yue Ann
A1  - Spelthahn, Heiko
A1  - Schneider, Andreas
A1  - Henkel, Hartmut
A1  - Friedrich, Peter
A1  - Kolstad, Jens
A1  - Berger, Jörg
A1  - Keusgen, Michael
T1  - Gas sensor investigation based on a catalytically activated thin-film thermopile for H2O2 detection
JF  - Physica Status Solidi (A)
N2  - 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.
Y1  - 2010
U6  - https://doi.org/10.1002/pssa.200983309
SN  - 1862-6300
N1  - Special Issue: Engineering of Functional Interfaces EnFI 2009
VL  - 207
IS  - 4
SP  - 787
EP  - 792
PB  - Wiley-VCH
CY  - Berlin
ER  - 
TY  - JOUR
A1  - Huck, Christina
A1  - Poghossian, Arshak
A1  - Bäcker, Matthias
A1  - Chaudhuri, S.
A1  - Zander, W.
A1  - Schubert, J.
A1  - Begoyan, Vardges K.
A1  - Buniatyan, V. V.
A1  - Wagner, P.
A1  - Schöning, Michael Josef
T1  - Capacitively coupled electrolyte-conductivity sensor based on high-k material of barium strontium titanate
JF  - Sensors and actuators. B: Chemical
Y1  - 2014
U6  - https://doi.org/10.1016/j.snb.2014.02.103
SN  - 1873-3077 (E-Journal); 0925-4005 (Print)
IS  - 198
SP  - 102
EP  - 109
PB  - Elsevier
CY  - Amsterdam
ER  - 
TY  - CHAP
A1  - Grundmann, Jan Thimo
A1  - Meß, Jan-Gerd
A1  - Biele, Jens
A1  - Seefeldt, Patric
A1  - Dachwald, Bernd
A1  - Spietz, Peter
A1  - Grimm, Christian D.
A1  - Spröwitz, Tom
A1  - Lange, Caroline
A1  - Ulamec, Stephan
T1  - Small spacecraft in small solar system body applications
T2  - IEEE Aerospace Conference 2017, Big Sky, Montana, USA
Y1  - 2017
SN  - 978-1-5090-1613-6
U6  - https://doi.org/10.1109/AERO.2017.7943626
SP  - 1
EP  - 20
ER  - 
TY  - JOUR
A1  - Grundmann, Jan Thimo
A1  - Dachwald, Bernd
A1  - Grimm, Christian D.
A1  - Kahle, Ralph
A1  - Koch, Aaron Dexter
A1  - Krause, Christian
A1  - Lange, Caroline
A1  - Quantius, Dominik
A1  - Ulamec, Stephan
T1  - Spacecraft for Hypervelocity Impact Research – An Overview of Capabilities, Constraints and the Challenges of Getting There
JF  - Procedia Engineering
Y1  - 2015
U6  - https://doi.org/10.1016/j.proeng.2015.04.021
SN  - 1877-7058
N1  - Proceedings of the 2015 Hypervelocity Impact Symposium (HVIS 2015)
VL  - Vol. 103
SP  - 151
EP  - 158
PB  - Elsevier
CY  - Amsterdam
ER  - 
TY  - JOUR
A1  - Buniatyan, Vahe V.
A1  - Abouzar, Maryam H.
A1  - Martirosyan, Norayr W.
A1  - Schubert, Jürgen
A1  - Gevorgian, Spartak
A1  - Schöning, Michael Josef
A1  - Poghossian, Arshak
T1  - pH-sensitive properties of barium strontium titanate (BST) thin films prepared by pulsed laser deposition technique
JF  - Physica Status Solidi (A)
N2  - 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.
Y1  - 2010
U6  - https://doi.org/10.1002/pssa.200983310
SN  - 1862-6300
N1  - Special Issue: Engineering of Functional Interfaces EnFI 2009
VL  - 207
IS  - 4
SP  - 824
EP  - 830
PB  - Wiley-VCH
CY  - Berlin
ER  - 
TY  - JOUR
A1  - Turek, Monik
A1  - Heiden, Wolfgang
A1  - Guo, Sharon
A1  - Riesen, Alfred
A1  - Schubert, Jürgen
A1  - Zander, Willi
A1  - Krüger, Peter
A1  - Keusgen, Michael
A1  - Schöning, Michael Josef
T1  - Simultaneous detection of cyanide and heavy metals for environmental analysis by means of µISEs
JF  - Physica Status Solidi (A)
N2  - 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.
Y1  - 2010
U6  - https://doi.org/10.1002/pssa.200983303
SN  - 1862-6300
N1  - Special Issue: Engineering of Functional Interfaces EnFI 2009
VL  - 207
IS  - 4
SP  - 817
EP  - 823
PB  - Wiley-VCH
CY  - Berlin
ER  - 
TY  - JOUR
A1  - Jansen, S. V.
A1  - Behbahani, Mehdi
A1  - Laumen, M.
A1  - Kaufmann, T.
A1  - Hormes, M.
A1  - Behr, Marek
A1  - Schmitz-Rode, T.
A1  - Steinseifer, U.
T1  - Investigation of Steady Flow Through a Realistic Model of the Thoracic Human Aorta Using 3D Stereo PIV and CFD-Simulation
JF  - ASAIO Journal
Y1  - 2010
U6  - https://doi.org/10.1097/01.mat.0000369377.65122.a3
N1  - American Society of Artificial Organs (ASAIO), Baltimore, USA, May 27-29, 2010
VL  - 56
IS  - 2
SP  - 98
PB  - Lippincott Williams & Wilkins
CY  - Philadelphia
ER  - 
TY  - JOUR
A1  - Behbahani, Mehdi
A1  - Probst, M.
A1  - Mai, A.
A1  - Tran, L.
A1  - Vonderstein, K.
A1  - Keschenau, P.
A1  - Linde, T.
A1  - Steinseifer, U.
A1  - Behr, Marek
A1  - Mottaghy, K.
T1  - The influence of high shear on thrombosis and hemolysis in artificial organs
JF  - The International Journal of Artificial Organs
Y1  - 2010
SN  - 0391-3988
VL  - 33
IS  - 7
SP  - 426
EP  - 426
PB  - Sage
CY  - Thousand Oaks
ER  - 
TY  - JOUR
A1  - Behbahani, Mehdi
A1  - Nam, J.
A1  - Waluga, C.
A1  - Behr, Marek
A1  - Pasquali, M.
A1  - Mottaghy, K.
T1  - Modeling and Numerical Analysis of Platelet Activation, Adhesion and Aggregation in Artificial Organs
Y1  - 2010
U6  - https://doi.org/10.1097/01.mat.0000369377.65122.a3
N1  - Posterpresentation American Society of Artificial Organs (ASAIO), Baltimore, USA, May 27-29, 2010
VL  - 56
IS  - 2
SP  - 85
PB  - Lippincott Williams & Wilkins
CY  - Philadelphia
ER  -