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Author

  • Hanno Geissler (4)
  • Michael J. Schöning (4)
  • Patrick Wagner (3)
  • Steffen Reisert (3)
  • Rudolf Flörke (2)
  • Arshak Poghossian (1)
  • Benno Schneider (1)
  • Christian Weiler (1)
  • Matthias van Gompel (1)
  • Niko Näther (1)

Year of publication

  • 2019 (1)
  • 2013 (2)
  • 2011 (1)

Institute

  • Fachbereich Medizintechnik und Technomathematik (4)
  • INB - Institut für Nano- und Biotechnologien (4)

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Characterisation of aseptic sterilisation processes using an electronic nose (2013)
Steffen Reisert ; Hanno Geissler ; Rudolf Flörke ; Christian Weiler ; Patrick Wagner ; Michael J. Schöning
Towards a multi-sensor system for the evaluation of aseptic processes employing hydrogen peroxide vapour (H2O2) (2011)
Steffen Reisert ; Hanno Geissler ; Rudolf Flörke ; Niko Näther ; Patrick Wagner ; Michael J. Schöning
Multi-sensor chip for the investigation of different types of metal oxides for the detection of H2O2 in the ppm range (2013)
Steffen Reisert ; Benno Schneider ; Hanno Geissler ; Matthias van Gompel ; Patrick Wagner ; Michael J. Schöning
In this work, a multi-sensor chip for the investigation of the sensing properties of different types of metal oxides towards hydrogen peroxide in the ppm range is presented. The fabrication process and physical characterization of the multi-sensor chip are described. Pure SnO2 and WO3 as well as Pd- and Pt-doped SnO2 films are characterized in terms of their sensitivity to H2O2. The sensing films have been prepared by drop-coating of water-dispensed nano-powders. A physical characterization, including scanning electron microscopy and X-ray diffraction analysis of the deposited metal-oxide films, was done. From the measurements in hydrogen peroxide atmosphere, it could be shown, that all of the tested metal oxide films are suitable for the detection of H2O2 in the ppm range. The highest sensitivity and reproducibility was achieved using Pt-doped SnO2. Calibration plot of a SnO2, WO3, Pt-, and Pd-doped SnO2 gas sensor for H2O2 concentrations in the ppm range.
Rapid methods and sensors for milk quality monitoring and spoilage detection (2019)
Arshak Poghossian ; Hanno Geissler ; Michael J. Schöning
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