Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Václav Červený"'
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 151:1241-1248
The historical relic of medicinal preparation of senna extract, over 200 years old, was analyzed using RP-HPLC connected with ESI−-MSn. The conditions for extracting the compounds from the sample and separating them by HPLC were optimized. A broad
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::38016b14ca75cc45424f5deacbbc144a
https://doi.org/10.1007/s00706-020-02630-5
https://doi.org/10.1007/s00706-020-02630-5
Publikováno v:
Journal of Analytical Atomic Spectrometry. 35:1380-1388
Cadmium ultraviolet photochemical vapor generation was investigated using a 6 W low pressure Hg lamp, with a coiled quartz reactor and atomic fluorescence spectrometric detection. Volatile species of cadmium can be reproducibly generated from a formi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d79d11f37bc134bb9e7171844add932e
https://doi.org/10.1039/d0ja00086h
https://doi.org/10.1039/d0ja00086h
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 150:1593-1602
The opium alkaloids in three historical pharmaceutical relics dated to the eighteenth century were analyzed by HPLC–MS. The conditions of extraction of alkaloids from the sample and their HPLC analysis were optimized. A broad spectrum of opium alka
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::900854c3bd0eb4be7910dc2b28eeeee1
https://doi.org/10.1007/s00706-019-02461-z
https://doi.org/10.1007/s00706-019-02461-z
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 149:1535-1542
The alkaloids in two historical pharmaceutical relics of ipecacuanha, dated to the eighteenth century, were analyzed by HPLC–MS. The conditions of extraction and separation were optimized. Four alkaloids (emetine, cephaeline, protoemetine, and O-me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9dc2322f899a34795d6698ab6bbac561
https://doi.org/10.1007/s00706-018-2223-x
https://doi.org/10.1007/s00706-018-2223-x
Publikováno v:
Analytical Letters. 52:613-632
An ultraviolet-photochemical generator (UV-PVG) capable of post-column on-line transformation of both organic and inorganic mercury species to cold vapor (Hg0) with subsequent detection by quartz t...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de10c3d668302b6958eb5888eb87f5ef
https://doi.org/10.1080/00032719.2018.1483380
https://doi.org/10.1080/00032719.2018.1483380
Publikováno v:
Journal of Analytical Atomic Spectrometry. 33:118-126
We present a comparison of interference in three methods of generation of volatile Se species to compare their performance with regard to matrix effects. The effects of selected hydride forming elements, transition metals and electrolytes are quantif
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73584b01c685bbf15d6e3ef075a1a061
https://doi.org/10.1039/c7ja00208d
https://doi.org/10.1039/c7ja00208d
Autor:
Michal Tupec, Veronika Hýsková, Jakub Hraníček, Kateřina Bělonožníková, Helena Ryšlavá, Václav Červený
Publikováno v:
Food Bioscience. 20:43-50
Plants contain polyphenolic compounds such as phenolic acids, flavonoids, stilbenes, lignans, etc., which are endowed with antioxidant properties. The aim of this study was to correlate the total phenolic compound and flavonoid content of 15 medicina
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3b7a115834f3cf1882663d9db6349ded
https://doi.org/10.1016/j.fbio.2017.08.001
https://doi.org/10.1016/j.fbio.2017.08.001
Publikováno v:
Spectrochimica Acta Part B: Atomic Spectroscopy. 134:98-104
This paper proposes a method for determination of selenium content in samples of dietary supplements using TiO 2 mediated UV-photochemical vapor generation with quartz furnace atomic spectrometric detection. The flow-injection method was optimized fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c84f5c583b75a26b516407ce35784c35
https://doi.org/10.1016/j.sab.2017.06.007
https://doi.org/10.1016/j.sab.2017.06.007
Publikováno v:
General physiology and biophysics. 36:247-258
Salt stress is one of the most damaging plant stressors, whereas hypoosmotic stress is not considered to be a dangerous type of stress in plants and has been less extensively studied. This study was performed to compare the metabolism of cucumber pla
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bfd1a5c64b8453b07537627c7e518413
https://doi.org/10.4149/gpb_2016053
https://doi.org/10.4149/gpb_2016053
Publikováno v:
Spectrochimica Acta Part B: Atomic Spectroscopy. 123:134-142
Volatile selenium compounds were generated UV-photochemically in the continuous flow mode using four UV-photoreactors differing in the material of the reaction coil; Teflon tubing and quartz tubes with various inner diameters and wall thicknesses wer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87c34d15727a3ef4f995f593d953b7b9
https://doi.org/10.1016/j.sab.2016.08.009
https://doi.org/10.1016/j.sab.2016.08.009