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In-source pyrolysis-field ionization mass spectrometry and Curie-point pyrolysis-gas chromatography/mass spectrometry of amino acids in humic substances and soils

AbstractWith the aid of in-source pyrolysis-field ionization mass spectrometry (Py-FIMS) and Curie-point pyrolysis-gas chromatography/mass spectrometry (cPy-GC/MS) in the conventional electron impact mode, characteristic signals of 23 amino acid standards were described.

出版机构:Springer Verlag

刊物名称:Biology and Fertility of Soils

出版时间:1993

ISSN:0178-2762

数据源:报刊文摘

Mass spectrometric analysis of N-carboxymethylamino acids as periodate oxidation derivatives of Amadori compounds application to glycosylated haemoglobin

SummaryPeriodate oxidation of free and protein-bound Amadori compounds formed by the condensation of reducing sugars with primary amino groups generates, on acid hydrolysis, N-carboxymethyl derivatives of amino acids.

出版机构:Springer Vienna

刊物名称:Amino Acids

出版时间:1993

ISSN:0939-4451

数据源:报刊文摘

Trialkyl(alkenylthio)stannanes

AbstractPreviously unknown trialkyl(alkenylthio)stannanes were obtained by the interaction of alkenyl thiocyanates with trialkyl(methoxy)stannanes; some of their properties and transformations were studied.

出版机构:Springer US

刊物名称:Russian Chemical Bulletin

出版时间:1993

ISSN:1066-5285

数据源:报刊文摘

Negative ion formation in compounds relevant to SF6 decomposition in electrical discharges

AbstractDissociative and nondissociative electron attachment in the electron impact energy range 0–14 eV are reported for SOF2 SOF4, SO2F2, SF4, SO2, and SiF4 compounds which can be formed by electrical discharges in SF6.

出版机构:Springer US

刊物名称:Plasma Chemistry and Plasma Processing

出版时间:1993

ISSN:0272-4324

数据源:报刊文摘

Investigation of cardiac metabolism using stable isotopes and mass spectrometry

SummaryThe technique described in this communication enables detailed investigations of cardiac metabolism using13C-labeled substrates and mass spectrometric measurements of13CO2 in the coronary effluent.

出版机构:Springer Verlag

刊物名称:Basic Research in Cardiology

出版时间:1993

ISSN:0300-8428

数据源:报刊文摘

Identification of metoclopramide metabolites in the urine of cattle by gas chromatography-mass spectrometry and high-performance liquid chromatography-photodiode array detection

The parent compound and one major metabolite (4-amino-5-chloro-N-[2-(ethylamino)ethyl]-2-methoxybenzamide) were common to all individuals.

出版机构:Springer Netherlands

刊物名称:Veterinary Research Communications

出版时间:1993

ISSN:0165-7380

数据源:报刊文摘

Pyrolysis mass spectrometry characterisation and numerical taxonomy ofAeromonas spp.

AbstractReference strains (2) and 29 isolates ofAeromonas spp. from clinical material and environmental specimens were characterised in traditional biochemical tests, and in pyrolysis mass spectrometry, which gives data reflecting whole-cell composition.

出版机构:Springer Netherlands

刊物名称:Antonie van Leeuwenhoek

出版时间:1993

ISSN:0003-6072

数据源:报刊文摘

Proteolysis of Human Growth Hormone by Rat Thyroid Gland in Vitro: Application of Electrospray Mass Spectrometry and N-Terminal Sequencing to Elucidate a Metabolic Pathway

AbstractThe present studies were designed to provide structural characterization of peptide metabolites of biosynthetic human growth hormone (hGH) formed by rat thyroid gland proteases in vitro.

出版机构:Springer US

刊物名称:Pharmaceutical Research

出版时间:1993

ISSN:0724-8741

数据源:报刊文摘

The lysine glycation 1. A preliminary investigation on the products arising from the reaction of protected lysine and D-glucose

Differently to the reactivity usually described on the basis of other analytical techniques, FAB mass spectrometric measurements indicate the occurrence of the reaction of protected lysine with more than one D-glucose molecule.

出版机构:Springer Vienna

刊物名称:Amino Acids

出版时间:1993

ISSN:0939-4451

数据源:报刊文摘

Structure identification of natural rhamnolipid mixtures by fast atom bombardment tandem mass spectrometry

AbstractTwo rhamnobiose-lipid preparations have been studied by fast atom bombardment (FAB) tandem mass spectrometry. The principal rhanobiose-lipids contain the -hydroxydecanoyl--hydroxydecanoate Rha-Rha-C10-C10 and the -hydroxytetradecanoyl--hydroxytetradecanoate Rha-Rha-C14-C14.

出版机构:Springer US

刊物名称:Glycoconjugate Journal

出版时间:1993

ISSN:0282-0080

数据源:报刊文摘