In a new study, published online in the journal American Chemical Society (ACS) Applied Polymer Materials, scientists at Texas A&M University reported they have designed a hydrogel membrane that may be used to house optical glucose sensing materials, toward building a biosensor for monitoring sugar levels in diabetics.
By incorporating dangling, comb-type molecular chains within a type of hydrogel called poly(N-isopropylacrylamide) or poly NIPAAm for short, they showed that the membrane could prevent leakage of small-sized molecules, like the ones for glucose-sensing, while still allowing glucose to freely diffuse in and out.
When ready for clinical use, the researchers s...
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