Journal
MOLECULAR CRYSTALS AND LIQUID CRYSTALS
Volume 437, Issue -, Pages 1307-1314Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/15421400590956090
Keywords
caffeine; molecular imprinting; molecular recognition; side-chain liquid-crystal polymer networks; siloxane; theophylline
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The preparation of high capacity molecularly imprinted polymers (MIP) that could be used as antibody analogues is reported. A functionalised mesomorphous polysilaxane network built up around theophylline was synthesized. After extraction of the guest molecule, the network preserved the mesomorphic organisation set up in the presence of the template. Batch rebinding analysis, performed in the presence of theophylline or structurally analogous caffeine, revealed that the imprinted polymer has a significant selectivity towards the template and a greater capacity than both an unimprinted mesogenic network and an imprinted non mesogenic network.
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