1 条结果 关键词:胡芦巴水凝胶 ×

Fenugreek hydrogel-agarose composite entrapped gold nanoparticles for acetylcholinesterase based biosensor for carbamates detection.

Analytica chimica acta 2015 Kestwal RM, Bagal-Kestwal D, Chiang BH

本研究构建了一种用于食品样品中农药检测的生物传感器。将乙酰胆碱酯酶(AChE)包埋于新型胡芦巴水凝胶-琼脂糖复合基质中,并引入金纳米颗粒(GNPs)。采用2%胡芦巴水凝胶和2%琼脂糖可制得透明薄膜,具有优良机械强度与稳定性。AChE包埋效率达92%,酶半衰期延长至55天。透射电镜显示10–20 nm金纳米颗粒均匀分散于膜中。该酶-金...