PubMed · 16841060
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2006. Recent patent applications in microarrays.. https://doi.org/10.1038/nbt0706-787
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This work describes the fabrication of thin microfluidic devices in Kapton (polyimide). These chips are well-suited to perform X-ray scattering experiments using intense microfocussed beams, as Kapton is both relatively resistant to the high intensities generated by a synchrotron, and almost transparent to X-rays. We show networks of microchannels obtained using laser ablation of Kapton films, and we also present a simple way to perform fusion bonding between two Kapton films. The possibilities offered using such devices are illustrated with X-ray scattering experiments. These experiments demonstrate that structural measurements in the 1 A-20 nm range can be obtained with spatial resolutions of a few microns in a microchannel.
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The biological significance of glycans in the post-genomic era requires the development of new technologies to enable functional studies of carbohydrates in a high-throughput manner. Recently, carbohydrate microarrays have been exploited as an advanced technology for this purpose. Efficient immobilization methods for carbohydrate probes on the proper surface are essential for the successful fabrication of carbohydrate microarrays. Up to date, several techniques have been developed to attach simple or complex carbohydrates to a solid surface. The developed glycan microarrays have been applied for functional glycomics, drug discovery, and diagnosis. In this concept article, we discuss the progress of immobilization methods of carbohydrates on solid surfaces, their potential uses for biological research and biomedical applications, and possible solutions for some remaining challenges to improve this new technology.