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在地下水中检测,移动和持久无脊椎动物eDNA

K L Korbel1, G C Hose2, C Karwautz3

  • 1School of Natural Sciences, Macquarie University, Sydney, Australia. Kathryn.Korbel@mq.edu.au.

Scientific reports
|July 26, 2024
PubMed
概括

环境DNA (eDNA) 可以在地下水中被检测到数周,但其不可预测的存在和数据库的局限性挑战了类动物监测.

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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...