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Triclosan determination in water related to wastewater treatment.
Triclosan in the waste, river and sea water samples collected in Hong Kong was analyzed by using gas chromatography-ion trap mass spectrometry method. (13)C(12)-triclosan was used as internalExpand
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Investigation of levels and fate of triclosan in environmental waters from the analysis of gas chromatography coupled with ion trap mass spectrometry.
A gas chromatography-ion trap mass spectrometry method was developed and optimized for the analysis of triclosan in water. Tandem mass spectrometry, along with an isotope dilution internal standardExpand
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Determination of malachite green and leucomalachite green in edible goldfish muscle by liquid chromatography-ion trap mass spectrometry.
A liquid chromatography-ion trap mass spectrometry method with three "time segments" has been developed to determine malachite green (MG) and its major metabolite, leucomalachite green (LMG) inExpand
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Bioactive lignans from Peperomia duclouxii.
Six new lignans (1-6), along with 14 known compounds, were obtained from Peperomia duclouxii. The new structures were elucidated mainly by the analysis of their NMR and MS data. The absoluteExpand
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Dibenzylbutyrolactone and dibenzylbutanediol lignans from Peperomia duclouxii.
Nine new lignans (1-9), including five dibenzylbutyrolactones and four dibenzylbutanediols, were obtained from an ethyl acetate extract of the whole plants of Peperomia duclouxii. The structures ofExpand
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Bioactive secolignans from Peperomia dindygulensis.
Thirteen secolignans, including eight new ones (1-8), were isolated from the EtOAc extract of Peperomia dindygulensis. The structures were mainly elucidated by 1D and 2D NMR and MS experiments, theExpand
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Determination of triclosan metabolites by using in-source fragmentation from high-performance liquid chromatography/negative atmospheric pressure chemical ionization ion trap mass spectrometry.
Triclosan is a widely used broad-spectrum antibacterial agent that acts by specifically inhibiting enoyl-acyl carrier protein reductase. An in vitro metabolic study of triclosan was performed byExpand
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O-GlcNAc transferase promotes fatty liver-associated liver cancer through inducing palmitic acid and activating endoplasmic reticulum stress.
BACKGROUND & AIMS O-GlcNAc transferase (OGT) is a unique glycosyltransferase involved in metabolic reprogramming. We investigated the functional role of OGT in non-alcoholic fatty liverExpand
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High performance liquid chromatography-mass spectrometry analysis for rat metabolism and pharmacokinetic studies of lithospermic acid B from danshen.
Metabolism and pharmacokinetic studies on rat were conducted for lithospermic acid B, one of the components from Radix Salviae Miltiorrhizae (danshen) that shows many bioactivities. LiquidExpand
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Antiproliferative activities of Amaryllidaceae alkaloids from Lycoris radiata targeting DNA topoisomerase I
Crude Amaryllidaceae alkaloids (AAs) extracted from Lycoris radiata are reported to exhibit significant anti-cancer activity. However, the specific alkaloids responsible for the pharmacodynamicExpand
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