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553 Newest Publications in journal of analytical chemistry

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Mass spectrometric devices with Archimedean radio frequency electric fields

06-Nov-2012 | A. D. Andreeva, A. S. Berdnikov, Journal of Analytical Chemistry, 2012

Mass spectrometric devices with Archimedean radio frequency electric fields Content Type Journal Article Category Letter to the Editor Pages 1034-1037 DOI 10.1134/S1061934812130023 Authors A. D. Andreeva, Institute of Analytical Instrumentation RAS, Rizhskiy pr. 26, St.-Petersburg, ...

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Ion energy distribution in a multicomponent laser plasma cloud

06-Nov-2012 | G. D. Kon’kova, A. S. Voloshko, Aleksandr A. Sysoev, Aleksei A. Sysoev, Journal of Analytical Chemistry, 2012

Ion energy distribution in a multicomponent laser plasma cloud Content Type Journal Article Category Letter to the Editor Pages 1031-1033 DOI 10.1134/S1061934812130059 Authors G. D. Kon’kova, MEPhI National Research Nuclear University, Kashirskoe shosse 31, Moscow, 115409 Russia A. ...

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Time-of-flight mass separation of ions in planar linear radiofrequency electric fields

06-Nov-2012 | E. V. Mamontov, V. S. Gurov, A. A. Dyagilev, E. Yu. Grachev, Journal of Analytical Chemistry, 2012

The space-time focusing of ions in planar linear high-frequency electric fields was investigated. The possibility of the time-of-flight mass separation of ions in radiofrequency fields was demonstrated and the analytical parameters of this separation were evaluated. The results of the numerical ...

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Use of decomposition of ion charge-state distributions for the interpretation of electrospray ionization mass spectra of bioorganic compound

06-Nov-2012 | V. V. Raznikov, M. O. Raznikova, Journal of Analytical Chemistry, 2012

The application of our method of the decomposition of mass spectral peak series due to independent unique modifications at a number of molecular sites to the analysis of electrospray ionization mass spectra containing multiply charged ions peaks of biopolymer solutions is considered. The ...

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Derivatization by forming Schiff bases in the study of synthetic polymers bearing amino groups by MALDI mass spectrometry

06-Nov-2012 | V. G. Zaikin, R. S. Borisov, N. Yu. Polovkov, L. N. Kulikova, Journal of Analytical Chemistry, 2012

A new approach is proposed to the determination of a number of primary amino groups in polymers. It involves the formation of Schiff bases in reactions with carbonyl compounds followed by MALDI mass spectrometry study. The reaction with 2,3-dihydroxybenzaldehyde appeared to be the most efficient ...

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Simultaneous determination of salidroside, rosavin, and rosarin in extracts from Rhodiola rosea by high performance liquid chromatography with tandem mass spectrometry detection

06-Nov-2012 | I. A. Rodin, A. N. Stavrianidi, A. V. Braun, O. A. Shpigun, M. V. Popik, Journal of Analytical Chemistry, 2012

s An approach is developed for the simultaneous determination of salidroside, rosarin, and rosavin in extracts from plant based on liquid chromatography/mass spectrometry; the detection limits of the method are 2, 4, and 6 ng/mL for salidroside, rosavin, and rosarin, respectively. The method was ...

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Study of the composition of low-molecular products of the thermal oxidative destruction of atactic polypropylene by gas chromatography/mass spectrometry

06-Nov-2012 | L. N. Gaevaya, Yu. P. Turov, V. P. Nekhoroshev, Journal of Analytical Chemistry, 2012

The paper presents the results of studying the composition of low-molecular products of the thermal oxidative destruction of atactic polypropylene by gas chromatography/mass spectrometry. Special attention has been paid to the investigation of the mass spectra of compounds dominating in the ...

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Inversion of chromatographic elution orders of peptides and its importance for proteomics

06-Nov-2012 | I. A. Tarasova, T. Yu. Perlova, M. L. Pridatchenko, A. A. Goloborod’ko, L. I. Levitsky, V. V. Evreinov, V. Guryca, C ..., Journal of Analytical Chemistry, 2012

Inversion of the order of peptide elution in reversed-phase liquid chromatography under changing separation conditions, such as gradient slope has been considered. Using a six-protein proteolytic peptide standard and available literature data, the occurrence frequency and importance of this ...

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Mass-spectrometric study of the formation of silver nanoclusters in polyether media: 2. Fast atom bombardment and modeling

06-Nov-2012 | O. A. Boryak, M. V. Kosevich, V. V. Chagovets, V. G. Zobnina, V. V. Orlov, V. S. Shelkovsky, S. G. Stepanian, Journal of Analytical Chemistry, 2012

Within the problem of the synthesis of silver nanoclusters and nanoparticles in polyether media, systems containing silver nitrate AgNO3 and low-molecular-weight polyethers, poly(ethylene glycol) PEG-400 or oxyethylated glycerol OEG-5, were studied by fast atom bombardment (FAB) mass ...

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Combined interpretation of chromatographic and mass spectral information in identifying condensation products of carbonyl compounds

06-Nov-2012 | A. I. Ukolov, I. G. Zenkevich, Journal of Analytical Chemistry, 2012

The paper considers one of possible approaches to the combined application of chromatographic and mass spectral data, based on the preliminary estimation of retention indices using additive schemes. This algorithm is used to determine structures of isomers formed in the condensation of carbonyl ...

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