The title compound, C(18)H(14)O(2), is almost planar with a dihedral angle of 1.24 (2)° between the phenyl-ethynyl and styryl groups. The acet-oxy group is tilted by 82.46 (2) and 82.26 (3)° with respect to the benzene ring planes.
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http://dx.doi.org/10.1107/S1600536812037439 | DOI Listing |
Luminescence
January 2025
Department of Chemistry, College of Science, Jouf University, Sakaka, Aljouf, Saudi Arabia.
In the present study, a norfloxacin (NFX) fluorescent probe was tailored for the spectrofluorometric measurement of cefepime (CFP). The proposed approach measured the quenching effect of CFP on the fluorescence intensity of NFX in acetate buffer solution. The obtained results show that CFP strongly quenches the fluorescence of NFX in a static mechanism.
View Article and Find Full Text PDFIntroduction: Visual Inspection with Acetic Acid (VIA) has been adopted for cervical cancer screening in Kenya and other Low-Middle Income Countries despite providing suboptimal results among HIV-infected women. It is mostly performed by nurses in health centers. Innovative ways of improving the performance of VIA in HIV-infected women are desired.
View Article and Find Full Text PDFCitric acid esters of mono- and diglycerides of fatty acids (E 472c) was re-evaluated in 2020 by the Food Additives and Flavourings Panel (FAF Panel) along with acetic acid, lactic acid, tartaric acid, mono- and diacetyltartaric acid, mixed acetic and tartaric acid esters of mono- and diglycerides of fatty acids (E 472a,b,d,e,f). As a follow-up to this assessment, the FAF Panel was requested to assess the safety of citric acid esters of mono- and diglycerides of fatty acids (E 472c) for its use as food additive in food for infants below 16 weeks of age belonging to food categories (FCs) 13.1.
View Article and Find Full Text PDFFood Chem X
January 2025
Institute of Pomology, Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Jiangsu Academy of Agricultural Sciences, Nanjing, Jiangsu 210014, China.
Strawberries are valued for their aroma, which is mainly determined by volatile organic compounds (VOCs). Wild strawberries, with broader and more intense VOC profiles, are especially important in breeding programs. Using HS-SPME-GC-MS, 126 VOCs were identified in the ripe fruit of 22 cultivars from four wild strawberry species.
View Article and Find Full Text PDFHeliyon
July 2024
Engineering Faculty, Department of Environmental and Chemical Engineering, Universidad Nacional de Colombia, Colombia.
In the present work, we report the synthesis and evaluation of a graphite-supported bismuth film working electrode (BiFE) in the simultaneous quantification of Hg(II) and Pb(II) at ppb levels. The BiFE was synthesized in-situ by electrodeposition in 1 M HNO as the supporting electrolyte at -0.5 V potential.
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