2 条结果 关键词:介孔硅 ×

Proline dehydrogenase-entrapped mesoporous magnetic silica nanomaterial for electrochemical biosensing of L-proline in biological fluids.

Enzyme and microbial technology 2017 Hasanzadeh M, Nahar AS, Hassanpour S, Shadjou N 等 6 人

本研究采用物理吸附法将脯氨酸脱氢酶(PRODH)固定化于磁性介孔硅纳米材料Fe3O4-MCM-41-nPrNH2中,并系统考察其固定化与电催化活性。该磁性介孔硅网络比表面积达362 m2 g-1,有利于PRODH包埋,并显著提高酶对温度和pH失活的耐受性;在分析液温度达70 °C时仍保持对L-脯氨酸氧化的电催化电流响应。将包埋PRO...

Amperometric L-lactate biosensor based on screen-printed carbon electrode containing cobalt phthalocyanine, coated with lactate oxidase-mesoporous silica conjugate layer.

Analytica chimica acta 2012 Shimomura T, Sumiya T, Ono M, Ito T 等 5 人

本文报道了一种用于测定 l-乳酸的新型安培型生物传感器。该器件以含钴酞菁(CoPC)的丝网印刷碳电极(CoPC-SPCE)为换能器,工作电极表面先涂覆 Nafion 层作为抗干扰膜,再沉积由变性聚乙烯醇(DF-20)和己二酰二肼(ADH)交联固定的乳酸氧化酶(LOD)–介孔硅(FSM8.0)共轭层。采样单元仅需 100 µL 样品。...