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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 internal… Expand
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 standard… Expand
Determination of malachite green and leucomalachite green in edible goldfish muscle by liquid chromatography-ion trap mass spectrometry.
- Kim-Chung Lee, Jian-Lin Wu, Z. Cai
- Medicine, Chemistry
- Journal of chromatography. B, Analytical…
- 7 November 2006
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) in… Expand
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 absolute… Expand
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 of… Expand
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, the… Expand
Determination of triclosan metabolites by using in-source fragmentation from high-performance liquid chromatography/negative atmospheric pressure chemical ionization ion trap mass spectrometry.
- Jian-Lin Wu, J. Liu, Z. Cai
- Chemistry, Medicine
- Rapid communications in mass spectrometry : RCM
- 15 July 2010
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 by… Expand
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 liver… Expand
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. Liquid… Expand
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 pharmacodynamic… Expand