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Determination of Propylenethiourea, the Main Metabolite of Propineb, in Tomato by HILIC-MS

In the present study, the quick, easy, cheap, effective, rugged and safe method (QuEChERS) methodology was adopted for the extraction of PTU from tomato matrix.

出版机构:Vieweg Verlag

刊物名称:Chromatographia

出版时间:2010

ISSN:0009-5893

数据源:报刊文摘

LC-MS Quantitative Determination of Atropine and Scopolamine in the Floral Nectar of Datura Species

The present study aimed at determining selected alkaloid components in the nectar of Datura species, to elucidate whether the alkaloid content of the floral nectar can lead to intoxication.

出版机构:Vieweg Verlag

刊物名称:Chromatographia

出版时间:2010

ISSN:0009-5893

数据源:报刊文摘

Screening DNA Adducts by LC–ESI–MS–MS: Application to Screening New Adducts Formed from Acrylamide

A method for screening DNA adducts with unknown chemical structures was developed; it involves the use of liquid chromatography?electrospray ionization-tandem mass spectrometry (LC?ESI?MS?MS).

出版机构:Vieweg Verlag

刊物名称:Chromatographia

出版时间:2010

ISSN:0009-5893

数据源:报刊文摘

The Application of Trichloroacetic Acid as an Ion Pairing Reagent in LC–MS–MS Method Development for Highly Polar Aminoglycoside Compounds

A simple, sensitive and robust liquid chromatography-tandem mass spectrometry method was developed and validated for highly polar aminoglycoside compounds gentamicin, kanamycin and apramycin.

出版机构:Vieweg Verlag

刊物名称:Chromatographia

出版时间:2010

ISSN:0009-5893

数据源:报刊文摘

Simple LC–MS Determination of Citric and Malic Acids in Fruits and Vegetables

Electrospray ionization in negative mode was used. The best response for citric and malic acid was provided by molecular ions [M?H]? at m/z 191 and 133 respectively.

出版机构:Vieweg Verlag

刊物名称:Chromatographia

出版时间:2010

ISSN:0009-5893

数据源:报刊文摘

Determination of Free Fatty Acids from Soil by LC–MS with Fluorescence Detection and Atmospheric Pressure Chemical Ionization Identification

A simple and highly sensitive method for the determination of fatty acids using liquid chromatography with fluorescence detection is described. Fatty acids were derivatized by a new novel pre-column derivatization reagent 1,2-benzo-3,4-dihydrocarbazole-9-ethanol before injection.

出版机构:Vieweg Verlag

刊物名称:Chromatographia

出版时间:2010

ISSN:0009-5893

数据源:报刊文摘

Rapid Analysis of 27 Components of Isodon serra by LC–ESI-MS–MS

Separation on a C18 column was achieved by gradient elution with water and methanol both containing 0.1% formic acid. Identification and quantification of the analytes were achieved by use of a hybrid quadrupole linear ion-trap mass spectrometer.

出版机构:Vieweg Verlag

刊物名称:Chromatographia

出版时间:2010

ISSN:0009-5893

数据源:报刊文摘

LC Determination of the Skin Exposure to Oxamyl on Greenhouse Workers and Comparison Between DAD and MS–MS Detection

An LC?DAD method was developed to determine residues of oxamyl on greenhouse workers? skin. The wipe test was used to obtain samples from hands, forearms, neck and gloves of workers taking cactus cuttings 48 h after pesticide treatment. It was validated in a concentration range 50?

出版机构:Vieweg Verlag

刊物名称:Chromatographia

出版时间:2010

ISSN:0009-5893

数据源:报刊文摘

LC-MS–MS Simultaneous Determination of Niacin, Niacinamide and Nicotinuric Acid in Human Plasma LC-MS–MS and Its Application to a Human Pharmacokinetic Study

A highly selective and sensitive liquid chromatographic tandem mass spectrometric (LC-MS?MS) method was developed and validated for the quantitation and pharmacokinetic study of niacin (NA) and its two metabolites niacinamide (NAM) and nicotinuric acid (NUR) in human plasma.

出版机构:Vieweg Verlag

刊物名称:Chromatographia

出版时间:2010

ISSN:0009-5893

数据源:报刊文摘

LC–MS–MS Simultaneous Determination of l-Dopa and Its Prodrug l-Dopa n-Pentyl Ester Hydrochloride in Rat Plasma

The analytes were separated on a C18 column (5 ?m, 2.1 ? 150 mm) with a security guard C18 column (5 ?m, 4 ? 20 mm) and a triple-quadrupole mass spectrometer was applied for detection.

出版机构:Vieweg Verlag

刊物名称:Chromatographia

出版时间:2010

ISSN:0009-5893

数据源:报刊文摘