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Functionalised hexagonal mesoporous SBA-15-type molecular sieves with pore sizes in the range 51-56Å have been prepared using non-ionic block copolymers and used for immobilisation of the enzyme trypsin. Thiol, chloride, amine, and carboxylic acid functional groups were attached by siloxypropane tethers to the siliceous surface of SBA-15 via two methods, post-synthesis grafting and in situ synthesis...
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