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Updated: Sep 15, 2025

Systematic Approach to Identify Novel Antimicrobial and Antibiofilm Molecules from Plants' Extracts and Fractions to Prevent Dental Caries
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使用提取和离子选择性电极进行植物材料化物分析的简单和低成本方法

Chenyu Zhang1,2, Mark G M Aarts1, Antony van der Ent3

  • 1Laboratory of Genetics, Wageningen University and Research, Droevendaalsesteeg 1, Wageningen, 6708 PB, The Netherlands.

Plant methods
|July 17, 2025
PubMed
概括

一种新的,具有成本效益的方法简化了植物中的化物确定. 该技术使用氧化提取和离子选择性电极,为植物化物分析提供可靠的替代方案.

关键词:
化学测量 化学测量 化学测量化物的化物.离子选择性电极 离子选择性电极正角测试设计的正角测试设计.植物研究 植物研究

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Measuring Fluxes of Mineral Nutrients and Toxicants in Plants with Radioactive Tracers13:14

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Sample Preparation for Analysis: Advanced Techniques01:08

Sample Preparation for Analysis: Advanced Techniques

Accurate analysis of complex samples often requires advanced preparation techniques to achieve reliable and reproducible results. Samples containing inorganic or organic materials can be challenging to dissolve or decompose effectively. Standard sample preparation methods include acid digestion, fusion, dry ashing, and wet digestion.
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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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EDTA: Indirect and Alkalimetric Titration

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Qualitative Analysis03:46

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For solutions containing mixtures of different cations, the identity of each cation can be determined by qualitative analysis. This technique involves a series of selective precipitations with different chemical reagents, each reaction producing a characteristic precipitate for a specific group of cations. Metal ions within a group are further separated by varying the pH, heating the mixture to redissolve a precipitate, or adding other reagents to form complex ions.
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