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Tuning the Setup of Sputter-Coated Multilayers in Nanocluster-Based Signal-Enhancing Biochips for Optimal Performance in Protein and DNA Assays

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Abstract:

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 glass wafers. Optimized surfaces have shown good results in genomic and proteomic experiments with biochips based on surface-enhanced fluorescence and absorption techniques.

Keywords: ABSORPTION; BIOCHIPS; DNA AND PROTEIN ASSAYS; FLUORESCENCE; NANOCLUSTERS; SURFACE SIGNAL ENHANCEMENT; THIN FILMS

Document Type: Short Communication

DOI: http://dx.doi.org/10.1166/jnn.2004.228

Publication date: January 1, 2004

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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