Zobrazeno 1 - 10
of 115
pro vyhledávání: '"Yulia B. Monakhova"'
Autor:
René Burger, Jessica Rumpf, Xuan Tung Do, Yulia B. Monakhova, Bernd W. K. Diehl, Matthias Rehahn, Margit Schulze
Publikováno v:
ACS Omega, Vol 6, Iss 44, Pp 29516-29524 (2021)
Externí odkaz:
https://doaj.org/article/4ae4158f91e341aea4a66de86ea3c8a9
Publikováno v:
International Journal of Food Science, Vol 2013 (2013)
Vegetable oils and fats may be used as cheap substitutes for milk fat to manufacture imitation cheese or imitation ice cream. In this study, 400 MHz nuclear magnetic resonance (NMR) spectroscopy of the fat fraction of the products was used in the con
Externí odkaz:
https://doaj.org/article/41296ac55f5f47fca99a45ff0a2c8686
Publikováno v:
International Journal of Analytical Chemistry, Vol 2011 (2011)
A strategy for analyzing formaldehyde in beer, wine, spirits, and unrecorded alcohol was developed, and 508 samples from worldwide origin were analyzed. In the first step, samples are qualitatively screened using a simple colorimetric test with the p
Externí odkaz:
https://doaj.org/article/7fc1a152c45946e0bce6fd41ebe37776
Publikováno v:
International Journal of Analytical Chemistry, Vol 2011 (2011)
Analytical methods based on spectroscopic techniques were developed and validated for the determination of diethyl phthalate (DEP) and polyhexamethylene guanidine (PHMG), which may occur in unrecorded alcohol. Analysis for PHMG was based on UV-VIS sp
Externí odkaz:
https://doaj.org/article/85a1658e780542baad1d49948af44c97
Autor:
Simon Lindner, René Burger, Douglas N. Rutledge, Xuan Tung Do, Jessica Rumpf, Bernd W. K. Diehl, Margit Schulze, Yulia B. Monakhova
Publikováno v:
Analytical Chemistry. 94:3997-4004
Although several successful applications of benchtop nuclear magnetic resonance (NMR) spectroscopy in quantitative mixture analysis exist, the possibility of calibration transfer remains mostly unexplored, especially between high- and low-field NMR.
Autor:
Bernd W. K. Diehl, Yulia B. Monakhova
Publikováno v:
Applied Magnetic Resonance. 52:1591-1600
In this study, a recently proposed NMR standardization approach by 2H integral of deuterated solvent for quantitative multicomponent analysis of complex mixtures is presented. As a proof of principle, the existing NMR routine for the analysis of Aloe
Autor:
Bernd W. K. Diehl, Yulia B. Monakhova
Publikováno v:
Applied Magnetic Resonance. 52:581-593
Quantitative nuclear magnetic resonance (qNMR) is considered as a powerful tool for multicomponent mixture analysis as well as for the purity determination of single compounds. Special attention is currently paid to the training of operators and stud
Publikováno v:
Analytical and Bioanalytical Chemistry
Graphical abstract Most drugs are no longer produced in their own countries by the pharmaceutical companies, but by contract manufacturers or at manufacturing sites in countries that can produce more cheaply. This not only makes it difficult to trace
Autor:
Natalia A. Burmistrova, Eugene A Legin, Bernd Diehl, Andrey Legin, Dmitry Kirsanov, Polina M. Soboleva, Ekaterina Rubtsova, Yulia B. Monakhova
Publikováno v:
Analytical Sciences. 36:1467-1471
Heparin is an anticoagulant medication that is usually injected subcutaneously. The quality of a set of commercial heparin injections from different producers was examined by NMR, IR, UV-Vis spectroscopies and potentiometric multisensor system. The t
Autor:
Yulia B, Monakhova, Bernd W K, Diehl
Publikováno v:
Journal of pharmaceutical and biomedical analysis. 209
NMR standardization approach that uses the