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Using Capillary Electrophoresis to Quantify Organic Acids from Plant Tissue: A Test Case Examining Coffea arabica Seeds
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使用纳米结构导电聚合物复合物改性电极在食品和血液样本中敏感确定咖啡基酸

Hao Tang1, Jian Shen2, Jindong Dai2

  • 1Department of Clinical Laboratory, Affiliated People's Hospital of Jiangsu University, 212006 Zhenjiang, Jiangsu, PR China.

Food chemistry
|July 2, 2025
PubMed
概括

使用纳米结构复合材料的新传感器检测出用于预防糖尿病的3-Caffeoylquinic酸 (3-CQA). 这一进步为各种样品提供了选择性和敏感的3-CQA测量,克服了以前的检测挑战.

关键词:
3 - 咖啡基酸是一种咖啡基酸咖啡因 咖啡因是一种咖啡因.在 MWCNTs 中.聚合物复合膜是一种聚合物复合膜.传感器 传感器 传感器

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Effects of EDTA on End-Point Detection Methods01:18

Effects of EDTA on End-Point Detection Methods

Different methods, such as visual observance of metal-ion indicators, spectroscopic techniques, and potentiometric methods, can determine the endpoint of an EDTA titration.
In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a result, EDTA...