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Updated: Aug 15, 2026

Harnessing the Bioorthogonal Inverse Electron Demand Diels-Alder Cycloaddition for Pretargeted PET Imaging
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由二硫酸盐触发的AIEgens从金属有机中释放,用于生物成像

Zhihui Zhong1, Qinglei Cui1, Tangsheng Guan1

  • 1MOE Key Laboratory of Bioinorganic and Synthetic Chemistry/KLGHEI of Environment and Energy Chemistry, School of Chemistry, IGCME, Sun Yat-sen University, Guangzhou, 50006, China.

Analytica chimica acta
|January 9, 2026
PubMed
概括

研究人员开发了一种使用金属有机 (MOCs) 封装聚合诱导排放光原体 (AIEgens) 的简单方法,以提高其在生物成像中的水溶性. 这一策略能够有效地检测活细胞中的双硫酸盐等生物标志物.

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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...
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Masking and Demasking Agents

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There are many masking agents, such as cyanide, fluoride, triethanolamine, thiourea, and 2,3-bis(sulfanyl)propan-1-ol (formerly 2,3-dimercapto-1-propanol), with the masking agent chosen based on the metal...
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Microbial Bioremediation of Uranium

Microorganisms play a critical role in the transformation and immobilization of uranium in contaminated environments through four main pathways: bioreduction, biosorption, bioaccumulation, and biomineralization. These mechanisms reduce uranium’s toxicity and prevent its migration through groundwater systems, offering sustainable approaches for in situ bioremediation.Bioreduction of UraniumBioreduction is driven by anaerobic bacteria such as certain strains of Geobacter and Shewanella, which use...