Norbert Stich

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The combination of phage display antibody arrays with a novel nanotransducer technique based on resonant nanoparticles in a nanosandwiched film enables the sensitive parallel screening of proteins. Using the resonance of nanoparticles with their induced mirror dipoles in a thin-film structure, limitations of fluorophores, such as unspecific background and(More)
Nanoclusters and nanofilms have the potential to amplify fluorescence and thus to enhance the signal of labeled biomolecules on biochip surfaces. Fluorescent molecules are bound at a certain distance to a resonant layer of a metal or a semiconductor or both, resulting in enhanced absorption and emission of the fluorophore within the electromagnetic(More)
The most fundamental properties of metal nanoclusters, namely the high local-field enhancement and nanoscale resonance behavior of the cluster electron plasma when exited by electromagnetic radiation, have been used to set up a variety of sensors transducing biorecognitive interactions into optical signals. This paper focuses on applications of(More)
In biochip development two issues are critical: stable and specific immobilization of the ligand and achievement of high signal-to-background ratio. In this work we have addressed these issues for the development of biochips, produced by sputtering multilayers of thin metal films, metal oxides, and metal nitrides (tens to hundreds of nanometers thick) onto(More)
High throughput transducers using metal cluster resonance technology are based on surface-enhancement of metal cluster light absorption. These devices can be used for detection of biorecognitive binding, as well as structural changes of nucleic acids, proteins or any other polymer. The optical property for the analytical application of metal cluster films(More)
To validate potential application of phage display-antibody arrays for high-throughput screening on a novel proteomics biochip, we examined the epitopes versus the full protein of glucose-6-phosphate-dehydrogenase (G6PD) from yeast. In a predictive approach, we used the Hopp-Woods method and compared the results with antibodies directed against the entire(More)
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