3 条结果 关键词:钴酞菁 ×

Development of a Novel Electrochemical Biosensor Based on Carbon Nanofibers-Cobalt Phthalocyanine-Laccase for the Detection of p-Coumaric Acid in Phytoproducts.

International journal of molecular sciences 2021 Bounegru AV, Apetrei C

本文开发了一种新型酶生物传感器,其载体为基于碳纳米纤维的丝网印刷电极,并经钴酞菁和漆酶修饰,记为 CNF-CoPc-Lac/SPE,用于通过循环伏安法和方波伏安法测定 p-香豆酸(PCA)含量。传感器修饰采用浇铸与交联技术,以戊二醛作为交联剂固定漆酶。该生物传感器能够稳定且灵敏地显示 PCA 的氧化还原过程。作者以循环伏安法和计时安...

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...

Cobalt Phthalocyanine-Ionic Liquid Composite Modified Electrodes for the Voltammetric Detection of DNA Hybridization Related to Hepatitis B Virus.

Micromachines 2021 Yaralı E, Erdem A

本研究设计并实现了钴酞菁(CoPc)与离子液体(IL)复合修饰的铅笔石墨电极(PGE),用于检测与乙型肝炎病毒(HBV)相关的序列选择性 DNA 杂交。采用扫描电子显微镜(SEM)对 CoPc-IL-PGE 表面形貌进行表征,并通过电化学阻抗谱(EIS)和循环伏安法(CV)研究电极电化学行为。杂交检测基于差分脉冲伏安法(DPV)测定...