2 条结果 关键词:过氧亚硝酸盐 ×

The Scavenging Effect of Myoglobin from Meat Extracts toward Peroxynitrite Studied with a Flow Injection System Based on Electrochemical Reduction over a Screen-Printed Carbon Electrode Modified with Cobalt Phthalocyanine: Quantification and Kinetics.

Biosensors 2021 Hosu IS, Constantinescu-Aruxandei D, Oancea F, Doni M

本文在肉提取物中研究了肌红蛋白对过氧亚硝酸盐(PON)的清除活性,开发了一种基于钴酞菁(CoPc)修饰丝网印刷碳电极(SPCE/CoPc)的电化学方法,并计算PON衰减的半衰期和表观速率常数。由于活性氧/氮物种(ROS/RNS)会影响肉类变色、酸败和风味,进而影响消费者,作者将该热稳定、低成本、快速简单的电催化方法与流动注射分析系统...

A high-performance genetically encoded fluorescent biosensor for imaging physiological peroxynitrite.

Cell chemical biology 2021 Chen Z, Zhang S, Li X, Ai HW

过氧亚硝酸盐(peroxynitrite, ONOO−)是一种活性氮物种,在信号转导、应激反应及多种人类疾病中发挥关键作用。为理解其病理生理功能,需要选择性、灵敏且无创的检测工具。本文报道了 pnGFP-Ultra,一种高性能、反应型、基因可编码荧光生物传感器,用于活细胞中过氧亚硝酸盐的成像。该传感器以 p-硼苯丙氨酸(pBoF)修...