Zobrazeno 1 - 10
of 79
pro vyhledávání: '"S M Nikiforov"'
Autor:
M. Yu. Kochevalina, A. B. Bukharina, V. G. Trunov, A. V. Pento, O. V. Morozova, G. A. Kogun’, Ya. O. Simanovsky, S. M. Nikiforov, E. I. Rodionova
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-10 (2022)
Abstract Trained detection dogs distinguish between urine samples from healthy organisms and organisms with malignant tumors, suggesting that the volatile urine metabolome contains information about tumor progression. The aim of this study was to det
Externí odkaz:
https://doaj.org/article/adf81e5fb684437584d889a03f1ad390
Publikováno v:
Quantum Electronics. 51:393-399
Vacuum UV radiation from laser-induced plasma is used to ionise volatile organic compounds (VOCs) released by living organisms during their mass spectrometric analysis at atmospheric pressure without sample preparation. It is shown that the probabili
Publikováno v:
European Journal of Mass Spectrometry. 27:84-93
The approach to quantitative analysis by silicon Surface Assisted Laser Desorption Ionization Mass Spectrometry (Si-SALDI) is proposed. The approach is based on the new method for forming an active surface layer on a silicon substrate by exposing to
Autor:
M. G. Skoblin, A. B. Bukharina, S. M. Nikiforov, Roman S. Ablizen, A. V. Pento, Alexander Makarov, Mikhail Monastyrskiy
Publikováno v:
Technical Physics. 65:1905-1911
A pulsed source of ions with ionization of the substance under study at atmospheric pressure by the UV radiation of laser plasma is numerically simulated. The calculations are based on an original mathematical model that describes evolution of an ens
Publikováno v:
Physics of Wave Phenomena. 28:213-221
Laser desorption of organic compound ions from specially prepared surfaces is known as surface-assisted laser desorption/ionization (SALDI). In this work the properties of a SALDI ion emitter obtained by two-stage laser treatment of crystalline silic
Autor:
M. Yu. Kochevalina, A. B. Bukharina, V. G. Trunov, A. V. Pento, O. V. Morozova, G. A. Kogun’, Ya. O. Simanovsky, S. M. Nikiforov, E. I. Rodionova
Publikováno v:
Scientific reports. 12(1)
Trained detection dogs distinguish between urine samples from healthy organisms and organisms with malignant tumors, suggesting that the volatile urine metabolome contains information about tumor progression. The aim of this study was to determine wh
Publikováno v:
Journal of Analytical Chemistry. 74:248-254
A method for the chemical modification (derivatization) of ions obtained by surface assisted laser desorption/ionization (SALDI) is proposed. Derivatization is based on the interaction of desorbed ions with alcohol molecules. The method is simple, do
Improvement of peaks identification and dynamic range for bi-polar Single Particle Mass Spectrometer
Autor:
Wei Gao, Viacheslav I. Kozlovskiy, Alexander R. Pikhtelev, Lei Li, A. B. Bukharina, Zhen Zhou, S. M. Nikiforov, Yu Jiajun, Zhengxu Huang, A. V. Chudinov
Publikováno v:
International Journal of Mass Spectrometry. 436:7-17
Delay Extraction (DE) in Single Particle Mass Spectrometry (SPMS) provides substantial resolution enhancement. However, DE has two main drawbacks which are discussed in our article. First, ion peak position in this case becomes very sensitive to init
Publikováno v:
Український неврологічний журнал; № 3—4 (2018); 17—25
Ukrainian Neurological Journal; № 3—4 (2018); 17—25
Украинский неврологический журнал; № 3—4 (2018); 17—25
Ukrainian Neurological Journal; № 3—4 (2018); 17—25
Украинский неврологический журнал; № 3—4 (2018); 17—25
Body temperature is one of the parameters needed to assess the vital activity of the human body, one of the flexible constant of assessing a person’s homeostasis. The article deals with the anatomical and physiological features of the thermoregulat
Autor:
E. I. Rodionova, M. Y. Kochevalina, A. B. Bukharina, S. M. Nikiforov, Ya O Simanovsky, A. V. Pento
Publikováno v:
2020 International Conference Laser Optics (ICLO).
A method of rapid mass spectrometric analysis of volatile organic compounds (VOC) of biological samples at atmospheric pressure has been developed. The method uses laser plasma radiation for ionization of VOC molecules. Multivariate statistics was us