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Controlled-Current Coulometry: Overview

Controlled-Current Coulometry: Overview

Controlled current coulometry, also known as amperostatic coulometry, is a technique used in electrochemical analysis to measure the quantity of a substance through the controlled passage of current. It involves the application of a constant current to an electrochemical cell containing the analyte of interest. As the current flows through the cell, the analyte undergoes a redox reaction at the electrode surface, resulting in a charge transfer. By monitoring the time required for a certain...

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Updated: Jul 27, 2025

An Aptamer-based Sensor for Unchelated GadoliniumIII

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基于兰化物框架的敏感电流传感器,用于Cu的易斯基本双基位.

Chenglong Liang^1,2, Shiyi Tan^1,3, Lixiong Shao¹

¹College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China.

Inorganic chemistry

|June 9, 2023

概括

一个新的以为基础的金属有机框架,ACBP-6,被合成并发展成一个高度选择性的传感器. 这种新材料可以检测低检测极限的Cu2+离子,展示了其在环境监测方面的潜力.

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Last Updated: Jul 27, 2025

An Aptamer-based Sensor for Unchelated GadoliniumIII

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Published on: January 9, 2017

Hyperspectral Imaging as a Tool to Study Optical Anisotropy in Lanthanide-Based Molecular Single Crystals

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科学领域:

材料科学材料科学材料科学
无机化学无机化学
纳米技术纳米技术

背景情况:

金属有机框架 (MOF) 为各种应用提供可调节的特性.
开发具有可访问的易斯基站的MOF对于选择性离子协调至关重要.
基于的MOF是具有独特特性的新兴材料.

研究的目的:

用免费的易斯基本站点合成一个新的基于Yb的3DMOF.
调查这个MOF作为金属离子检测传感器的潜力.
评估开发的传感器的选择性和灵敏度.

主要方法:

基于Yb的MOF,ACBP-6的溶热合成,使用YbCl3和H2ddbpdc.
在玻璃微管管中,ACBP-6在现场生长以形成传感器.
电化学测量用于Cu2+检测和分析传感器性能.

主要成果:

一种基于3DYb的新型MOF,Yb2 (ddbpdc) 3 (CH3OH) 2 (ACBP-6),已成功合成.
MOF 具有空置的双基N 原子,提供可访问的易斯基站点.
基于ACBP-6的传感器显示出高选择性和高信号噪声比的Cu2+检测,检测极限为1μM.

结论:

合成的基于Yb的MOF,ACBP-6,具有适合传感器开发的特性.
不被占用的易斯基站是与Cu2+离子进行选择性协调的关键.
基于ACBP-6的传感器为Cu2+的敏感和选择性检测提供了一个有希望的方法.