Hydrogel and preparation method and application of ampholytic hydrogel shaped body
A technology of hydrogel and formed body, which is applied in the field of hydrogel for detecting glucose concentration, can solve the problems of high detection limit, inaccurate detection concentration, harsh reaction conditions, etc., achieve low detection limit of urine sugar, simple production method, Measuring the precise effect of concentration
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[0043] 1. Preparation of amphoteric hydrogel shaped body
[0044] 56mg of N-isopropylacrylamide (NIPAM), 19.1mg of 3-acrylamidophenylboronic acid (AAPBA), and 4.6mg of crosslinker N,N'-methylenebisacrylamide, 17.3mg of surface active Sodium dodecyl sulfate (SDS) was dissolved in 1mL dimethyl sulfoxide, ultrasonic 1min to form a mixed solution, then 2.7mg initiator azobisisobutylamidine hydrochloride and 20μL cross-linking agent N,N ,N',N'-Tetramethyldiethylamine was added to the mixed solution, after stirring for 2min, 10mg Fe 3 o 4 Nanoparticles were added to the mixed solution, and after ultrasonic oscillation for 2 min, N was passed into the mixed solution. 2 40min; then use a pipette to transfer the mixed solution into the fish-shaped template, as attached figure 1 As shown in Figure a-Figure B; after 2.5h of ultraviolet light irradiation, a copolymerization reaction occurs to generate a hydrogel, and then the hydrogel is released from the template (use tweezers to sep...
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