一种合适的溶剂，用于吸附水溶性较差的物质到硅胶上，进行现成的生物降解性试验。

IF 1.5 4区农林科学 Q2 ENTOMOLOGY

Journal of Pesticide Science Pub Date : 2024-11-20 DOI:10.1584/jpestics.D24-016

Yoshinari Takano, Saki Takekoshi, Kotaro Takano, Yoshihide Matoba, Makiko Mukumoto, Keisei Sowa, Yuki Kitazumi, Osamu Shirai

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引用次数: 0

摘要

当测试物质水溶性较差时，可将其吸附在硅胶上，便于在现成的生物降解性测试中分散。为了使被试物质均匀吸附在硅胶上，将被试物质溶解在溶剂中，然后与硅胶混合。最理想的情况是溶剂随后完全蒸发。在这项研究中，我们确定了正己烷作为一种合适的溶剂。此外，通过荧光观察，我们发现被吸附在硅胶上的试验物质粘附在活性污泥絮凝体上。这被认为可以改善测试物质与微生物之间的接触，从而加速生物降解。

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A suitable solvent for adsorption of poorly water-soluble substances onto silica gel in a ready biodegradability test.

When a test substance is poorly water-soluble, it can be adsorbed onto silica gel to facilitate dispersibility in a ready biodegradability test. To uniformly adsorb the test substance onto silica gel, the substance is dissolved in a solvent and then mixed with the silica gel. It is desirable for the solvent to completely evaporate afterward. In this study, we identified n-hexane as a suitable solvent for this purpose. Furthermore, through fluorescence observation, we revealed that the test substance adsorbed onto the silica gel adhered to activated sludge flocs. This is thought to improve contact between the test substance and microorganisms, thereby accelerating biodegradation.

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来源期刊

Journal of Pesticide Science 农林科学-昆虫学

CiteScore

4.30

自引率

4.20%

发文量

审稿时长

18-36 weeks

期刊介绍： The Journal of Pesticide Science publishes the results of original research regarding the chemistry and biochemistry of pesticides including bio-based materials. It also covers their metabolism, toxicology, environmental fate and formulation.