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Updated: Jun 16, 2025

An Anaerobic Biosensor Assay for the Detection of Mercury and Cadmium
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An Anaerobic Biosensor Assay for the Detection of Mercury and Cadmium

Published on: December 17, 2018

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基于有机框架的键电化学传感器,用于在环境和电子烟样本中高度敏感地确定微量离子

Zesen Zuo1, Kai Liu2, Chunqiong Wang2

  • 1Institute for Ecological Research and Pollution Control of Plateau Lakes, Qilu Lake Field Scientific Observation and Research Station for Plateau Shallow Lake in Yunnan Province, School of Ecology and Environmental Science, Yunnan University, Kunming, 650504, China.

Analytica chimica acta
|August 18, 2024
PubMed
概括

一个使用结有机框架 (HOFs) 的新电化学传感器提供了对有毒离子 (Cd2+) 的敏感检测. 这种具有成本效益的传感器为公共健康和安全提供了快速,准确的环境监测.

关键词:
离子是一种离子.电化学传感器 电化学传感器电子烟降解液体的电子烟降解液体重金属检测仪重金属检测仪结有机框架与结有机框架平方波阳极剥离电压测量

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Potentiometry: Membrane Electrodes01:15

Potentiometry: Membrane Electrodes

Membrane electrodes, also known as p-ion electrodes, use membranes that selectively interact with free analyte ions, generating a potential difference across the membrane. The resulting membrane potential, known as the asymmetry potential, is not zero even when analyte concentrations on both sides of the membrane are equal. The membrane's response is typically not selective to a single analyte but proportional to the concentration of all ions in the sample solution capable of interacting at...
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Potentiometry: Types of Electrodes01:19

Potentiometry: Types of Electrodes

Reference electrodes serve as a stable reference point for potentiometric measurements, while indicator and working electrodes react to variations in the composition of a solution.
The Standard Hydrogen Electrode (SHE) is a widely used reference electrode that maintains zero potential across all temperatures. However, its need for a continuous hydrogen gas supply renders it impractical for everyday use.
An alternative to SHE is the Saturated Calomel Electrode (SCE). This electrode features an...
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Gas Chromatography: Types of Detectors-II

In gas chromatography, different detectors are employed to meet specific analytical needs. These detectors are often categorized based on their detection mechanisms and the types of compounds they are best suited to analyze. Thermal Conductivity Detectors (TCD), Flame Ionization Detectors (FID), and Electron Capture Detectors (ECD) represent common categories, each with unique operating principles and applications. However, beyond these, several other detectors are designed for more specialized...
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Extraction: Advanced Methods

Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
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