Articles with "trans isomers" as a keyword



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Effects of multiple environmental factors on elimination of fenvalerate and its cis-trans isomers in aquaculture water

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Published in 2018 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-018-3916-8

Abstract: Fenvalerate (FV) is widely used in aquaculture because of their broad spectrums and high efficiency. However, little is known regarding the elimination of FV influenced by environment factors in aquaculture water, especially its cis-trans isomers… read more here.

Keywords: aquaculture water; environmental factors; trans isomers; cis trans ... See more keywords
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Identification of cis/trans isomers of menaquinone-7 in food as exemplified by dietary supplements.

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Published in 2018 at "Food chemistry"

DOI: 10.1016/j.foodchem.2017.10.001

Abstract: For the first time, the cis/trans isomer content of menaquinone-7 in food products has been identified and marked. A novel method of marking isomers of vitamin K2MK-7 in dietary supplements was developed and validated. Five… read more here.

Keywords: cis; dietary supplements; menaquinone food; trans isomers ... See more keywords
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The application of multidimensional NMR analysis to cis/trans isomers study of menaquinone-7 (vitamine K2MK-7), identification of the (E,Z3,E2,ω)-menaquinone-7 isomer in dietary supplements

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Published in 2018 at "Journal of Molecular Structure"

DOI: 10.1016/j.molstruc.2018.06.029

Abstract: Abstract The aim of this paper was to determine the chemical structure of cis/trans isomers of vitamin K2MK-7 found in dietary supplements. Vitamin K2MK-7 was extracted, along with contamination in the form of cis/trans isomers… read more here.

Keywords: dietary supplements; k2mk; analysis; trans isomers ... See more keywords
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Cyclometalated Platinum(II) Complexes in a Cis-N,N Configuration: Photophysical Properties and Isomerization to Trans Isomers.

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Published in 2022 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.1c03295

Abstract: Synthesis, isomerization, and photophysical properties of novel cis-N,N-cyclometalated complexes [Pt(C∧N)(l-Phe)] (C∧N = benzoquinolinate (1), phenylpyridinate (2), 2-(p-tolyl)pyridinate (3), and 1-phenylpyrazolate (4); l-Phe- = l-phenylalaninate) are reported herein. In solution, the cis forms of the complexes… read more here.

Keywords: properties isomerization; photophysical properties; cis; trans isomers ... See more keywords
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Circularly Polarized Luminescence of Cyclometalated Platinum(II) Complex Excimers: Large Difference between Isomers.

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Published in 2022 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.2c02662

Abstract: A series of platinum(II) complexes bearing a chiral β-diketonato ligand and a cyclometalated ligand have been prepared. The platinum(II) complexes, (SP-4-3)-[Pt(ppy)(D-tac)] (ppy = 2-phenylpyridine, D-tac = 3-trifluoroacetyl-(D)-camphor), (SP-4-4)-[Pt(ppy)(D-tac)], (SP-4-3)-[Pt(ppy)(D-pbc)] (D-pbc = 3-perfluorobutyryl-(D)-camphor), and (SP-4-4)-[Pt(ppy)(D-pbc)], and… read more here.

Keywords: emission due; green emission; emission; trans isomers ... See more keywords