Zinggeler M, Schönberg JN, Fosso PL, Brandstetter T, Rühe J. Functional Cryogel Microstructures Prepared by Light-Induced Cross-Linking of a Photoreactive Copolymer.
ACS APPLIED MATERIALS & INTERFACES 2017;
9:12165-12170. [PMID:
28357863 DOI:
10.1021/acsami.7b01232]
[Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
A novel, highly efficient method for the preparation of functional, microstructured and surface-attached cryogels is described. Photoinduced C,H-insertion reactions are used to generate cryogels in a single, rapid photo-cross-linking process. To this end, solutions containing both a photoreactive copolymer and the (bio)molecules to be immobilized are placed on a polymeric substrate followed by freezing and a short UV exposure. This strategy combines photolithography and cryogel formation allowing for a simultaneous generation and (bio)functionalization of cryogels in a single reaction step. To demonstrate the potential of the generated materials for bioanalytical applications, we successfully prepared DNA and protein cryogel microarrays.
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