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Water-Induced Turn-on of Lanthanide Photoluminescence Emission and Application in Colorimetric Sensing of Trace Water.
ACS Omega
December 2024
Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Houy Kaew Road, Chiang Mai 50200, Thailand.
To examine the water-induced photoluminescence turn-on and its potential application in trace water sensing, a new series of [Ln(dmba)(HO)]·2HO, where Ln = La (), Pr (), Nd (), Sm (), Eu (), Gd (), Tb (), Dy (), Ho (), and Er (), were synthesized using dimethoxybenzoic acid (Hdmba). Their single-crystal structures and thermal and chemical robustness were investigated, and the effects of lanthanide contraction and noncovalent interactions were discussed. The photoluminescence and colorimetric properties of - were investigated.
View Article and Find Full Text PDF[Development of selective method for mebeverine detection in blood].
Sud Med Ekspert
February 2024
Saint Petersburg State Chemical and Pharmaceutical University, St. Petersburg, Russia.
Objective: To develop the method of biological fluids' sample processing and mebeverine detection to exclude false results' receiving when diagnosing drug intoxication.
Material And Methods: The study was carried out using «Mebeverine» (NJCO «North star», Russia) medicine and hydrolysis by enzymes, namely papain, chymotrypsin, trypsin, chymopsin and hyaluronidase, was applied for sample processing. The extractions were analyzed by methods of HPLC-MS/MS on Nexera XR modular liquid chromatograph with LCMS-8050 (Shimadzu) tandem mass spectrometer and GC-MS on gas chromatograph connected with QP-2020 (Shimadzu, Japanese) mono quadrupole mass spectrometer.
[A new xanthone from hulls of Garcinia mangostana and its cytotoxic activity].
Zhongguo Zhong Yao Za Zhi
November 2023
Key Laboratory of Modern Research on Ethnic Medicine in Yunnan Provincial Universities, Ethnomedicine School, Yunnan University of Chinese Medicine Kunming 650500, China.
Article Synopsis
- * The identified compounds include a new xanthone (compound 1), a xanthone dimer (compound 4), and a naphthoquinone (compound 5), with some being isolated for the first time.
- * Cytotoxicity tests revealed that compounds 1, 2, and 4 showed moderate cytotoxic effects on HeLa cells, while compound 4 also affected K562 cells, indicating potential anti-cancer properties.
Differential Metabolomics Reveals Pathogenesis of Causing Leaf Spot Disease of .
J Fungi (Basel)
November 2022
College of Forestry, Sichuan Agricultural University, Chengdu 611130, China.
Pepper leaf spot is a common disease of . When it is serious, it directly affects the growth of , making the plant unable to blossom and bear fruit, which seriously restricts the development of the industry. Therefore, the pathogenic mechanism of leaf spots should be explored to provide a basis for a comprehensive understanding of the disease.
View Article and Find Full Text PDFFlavonoid and Phenolic Acid Profiles of Dehulled and Whole (L.) Verdc Seeds Commonly Consumed in South Africa.
Molecules
August 2022
Food Science and Technology Department, Cape Peninsula University of Technology, Bellville 7535, South Africa.
Bambara groundnut (BGN) is an underexploited crop with a rich nutrient content and is used in traditional medicine, but limited information is available on the quantitative characterization of its flavonoids and phenolic acids. We investigated the phenolic profile of whole seeds and cotyledons of five BGN varieties consumed in South Africa using UPLC-qTOF-MS and GC-MS. Twenty-six phenolic compounds were detected/quantified in whole seeds and twenty-four in cotyledon, with six unidentified compounds.
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