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Identification of new phase II metabolites of xanthohumol in rat in vivo biotransformation of hop extracts using high-performance liquid chromatography electrospray ionization tandem mass spectrometry

Polyphenolic compounds occurring in hop extracts and their phases I and II metabolites formed during in vivo rat biotransformation have been analyzed using HPLC/MS/MS with electrospray ionization (ESI). Two main groups of polyphenolics are present in the hops, i.e.

出版机构:Elsevier Science

刊物名称:Journal of Chromatography A

出版时间:2010

ISSN:0021-9673

数据源:报刊文摘

An improved liquid chromatography–tandem mass spectrometry method for the quantification of 4-aminobiphenyl DNA adducts in urinary bladder cells and tissues

Exposure to 4-aminobiphenyl (4-ABP), an environmental and tobacco smoke carcinogen that targets the bladder urothelium, leads to DNA adduct formation and cancer development .

出版机构:Elsevier Science

刊物名称:Journal of Chromatography A

出版时间:2010

ISSN:0021-9673

数据源:报刊文摘

Polycyclic aromatic hydrocarbons in binary mixtures modulate the efficiency of benzo[a]pyrene to form DNA adducts in human cells

Exposure to polycyclic aromatic hydrocarbons (PAHs) always involves complex mixtures that may induce synergistic or antagonistic effects on the genotoxic properties and make risk assessment more difficult.

出版机构:Elsevier Science

刊物名称:Toxicology

出版时间:2011

ISSN:0300-483X

数据源:报刊文摘

Investigation of piceid metabolites in rat by liquid chromatography tandem mass spectrometry

There is considerable evidence that stilbenes provide health benefits. Trans-piceid is one of the major stilbenoid compounds in red wine and other plants.

出版机构:Elsevier Science

刊物名称:Journal of Chromatography B, Analytical Technologies in the Biomedical and

出版时间:2011

ISSN:1570-0232

数据源:报刊文摘

Synthesis of a molecularly imprinted polymer and its application for microextraction by packed sorbent for the determination of fluoroquinolone related compounds in water

Molecularly imprinted polymer (MIP) has been synthesized by precipitation polymerization using ciprofloxacin (CIP) as template for the analysis of fluoroquinolone antibiotics (FQs).

出版机构:Elsevier Science

刊物名称:Analytica Chimica Acta

出版时间:2011

ISSN:0003-2670

数据源:报刊文摘

Dispersive liquid–liquid microextraction combined with high-performance liquid chromatography–tandem mass spectrometry for the identification and the accurate quantification by isotope dilution assay of Ochratoxin A in wine samples

A novel approach for the rapid analysis of ochratoxin A (OTA) in wine samples is presented. Mycotoxin was extracted and concentrated from matrix using dispersive liquid?liquid microextraction (DLLME).

出版机构:Springer Verlag

刊物名称:Analytical and Bioanalytical Chemistry

出版时间:2011

ISSN:1618-2642

数据源:报刊文摘

An improved on-line solid phase extraction coupled HPLC–MS/MS system for quantification of Sifuvirtide in human plasma

n improved liquid chromatographic method with on-line solid phase extraction (SPE) and tandem mass spectrometric detection was optimised for quantification of the anti-HIV peptide Sifuvirtide in human plasma.

出版机构:Elsevier Science

刊物名称:Journal of Chromatography B, Analytical Technologies in the Biomedical and

出版时间:2010

ISSN:1570-0232

数据源:报刊文摘

Determination of selected pesticides in environmental water by employing liquid-phase microextraction and liquid chromatography–tandem mass spectrometry

Liquid-phase microextraction in a single hollow fibre (HF-LPME) has been applied for sample preparation. The concentrations of pesticides were determined using HPLC-MS/MS method with electrospray ionisation.

出版机构:Springer Verlag

刊物名称:Analytical and Bioanalytical Chemistry

出版时间:2010

ISSN:1618-2642

数据源:报刊文摘

Simultaneous determination of yohimbine, sildenafil, vardenafil and tadalafil in dietary supplements using high-performance liquid chromatography-tandem mass spectrometry

imple and sensitive method was developed for determination of illegal adulterants (yohimbine, sildenafil, vardenafil and tadalafil) in dietary supplements by HPLC-MS/MS. The separation was achieved on a C18 column with the mobile phase consisting of acetonitrile and 0.

出版机构:WILEY‐VCH Verlag

刊物名称:Journal of Separation Science

出版时间:2010

ISSN:1615-9306

数据源:报刊文摘

Photocatalytic degradation of boscalid in aqueous titanium dioxide suspension: Identification of intermediates and degradation pathways

The photocatalytic degradation of boscalid in aqueous suspensions was investigated by using titanium dioxide (TiO2) as a photocatalyst. Accordingly, a complete degradation of fungicide was achieved by applying the optimal operational conditions of 2.5gL?1 of catalyst, natural pH of 6.

出版机构:Elsevier Science

刊物名称:Applied Catalysis B: Environmental

出版时间:2010

ISSN:0926-3373

数据源:报刊文摘