Fluorescence excitation on monolithically integrated all-polymer chips
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Updated: Jun 9, 2026

Lensless Fluorescent Microscopy on a Chip
Published on: August 17, 2011
Mauno Schelb1, Christoph Vannahme, Alexander Welle
1Karlsruhe Institute of Technology, Institut fur Mikrostrukturtechnik, Karlsruhe, Germany. mauno.schelb@kit.edu
Abstract:
All-polymer chips with integrated optical waveguides and microfluidic channels were built as a platform for fluorescence excitation of biological samples. Their functionality has been shown for four cases: (i) fluorescence of labeled phospholipids inside a microfluidic channel, (ii) fluorescence of stained cells inside a microfluidic channel, (iii) fluorescence of labeled phospholipids on top of a polymer waveguide, and (iv) fluorescence of stained cells on top of a polymer waveguide.
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