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12 November 2005 A new imaging method: optofluidic microscopy
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In this work, we present a novel optical imaging device that can be directly integrated into a microfluidic network, and can therefore enable on-chip imaging in a microfluidic system. This micro imaging device, termed optofluidic microscope (OFM) is free of bulk optics and is based on a nanohole array defined in a non-transmissive metallic layer that is patterned onto the floor of the microfluidic channel. The operation of the optofluidic microscope is explained in details and its performance is examined with Caenorhabditis elegans (C. elegans) of various genotypes. Images from a large population of worms have been efficiently acquired within a short time frame. The quality of the OFM images of C elegans and the morphological characteristics revealed by the images are evaluated. The experimental results support our claim that the methodology described therein promises to create a powerful tool for fulfilling high- resolution, high-throughput imaging task of the microscopic biological samples.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xin Heng, David Erickson, Demetri Psaltis, and Changhuei Yang "A new imaging method: optofluidic microscopy", Proc. SPIE 6003, Nanostructure Integration Techniques for Manufacturable Devices, Circuits, and Systems: Interfaces, Interconnects, and Nanosystems, 60030F (12 November 2005);


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