Photodegradable cross-linking agent, photodegradable gel, cell culture instrument, cell arrangement-sorting apparatus, cell arrangement method, cell sorting method, tissue forming method, and tissue
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United States of America Patent
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Mar 6, 2018
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app pub date -
May 13, 2014
filing date -
May 22, 2013
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Abstract
The present invention provides a photodegradable cross-linking agent capable of manufacturing a photodegradable gel, which has appropriate moisture content and water solubility as a cell carrier and has strength that makes it possible to construct a complicated three-dimensional microstructure. The photodegradable cross-linking agent of the present invention includes a main chain 2 which is composed of branched polyethylene glycol having three or more branched chains and a photodegradable benzyl group 3 which is disposed on the terminus of the branched chains, in which the benzyl group has an active ester group 4, which is reactive with an amino group or a hydroxyl group, and one or more nitro groups in a benzene ring.
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