Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Vilhelmina Jurkjane"'
Autor:
Galina Telysheva, Jevgenija Ponomarenko, Sarmite Janceva, Vilhelmina Jurkjane, Botir Abduazimov
Publikováno v:
Key Engineering Materials. 903:93-99
The work is devoted to the comprehensive comparative analysis of extraction cakes, obtained after isolation of pharmaceuticals from medical herbs (Aconítum leucostómum, Thermopsis alterniflora, Glycyrrhiza Glabra and Vinca erecta) to characterize t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::268a1fa0cb83c1d8bcb1f709589457fe
https://doi.org/10.4028/www.scientific.net/kem.903.93
https://doi.org/10.4028/www.scientific.net/kem.903.93
Autor:
Liga Lauberte, Vilhelmina Jurkjane, Jevgenija Ponomarenko, Maris Lauberts, Tatiana Dizhbite, Galina Telysheva
Publikováno v:
Holzforschung. 69:795-805
The antioxidant activities (AoAs) of 50 different technical lignins have been determined. The lignins of various botanical origins (annual plants, coniferous trees, and deciduous trees) were isolated and fractionated by different techniques (delignif
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::962d1d44dc80632e61e5354dd7848eec
https://doi.org/10.1515/hf-2014-0280
https://doi.org/10.1515/hf-2014-0280
Autor:
G. Rossinska, Vilhelmina Jurkjane, Galina Dobele, Dietrich Meier, Tatiana Dizhbite, Galina Telysheva
Publikováno v:
Journal of Analytical and Applied Pyrolysis. 79:52-60
Analytical pyrolysis (AP) as well as chemical analysis, ESR, FTIR and UV/VIS-spectroscopy has been used to characterize effects of modification of industrial lignins (hydrolysis lignin and kraft lignin) with silicon-containing oligomers on their tran
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d19da888cd9615dd6da2364debd57f3a
https://doi.org/10.1016/j.jaap.2006.12.023
https://doi.org/10.1016/j.jaap.2006.12.023
Publikováno v:
Bioresource Technology. 95:309-317
The present work is devoted to studies of the radical scavenging properties of lignins, which are recognized as efficient antioxidants of natural origin. Radical scavenging efficiency of a series of lignins isolated from deciduous and coniferous wood
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ada2074fc9bbe5a8e007d43747a55af
https://doi.org/10.1016/j.biortech.2004.02.024
https://doi.org/10.1016/j.biortech.2004.02.024
Autor:
T. Dizhbite, G. Rossinskaja, G. Telysheva, G. Lebedeva, M. Daugavietis, O. Treikale, U. Viesturs, Vilhelmina Jurkjane
Publikováno v:
Acta Biotechnologica. 22:167-173
Chemical modification of lignin with Si- and N-containing compounds and immobilization of watersoluble, biologically active tree foliage extracts on lignin matrix are considered as tools for promoting different biological processes important for soil
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c30d3eaa6579db9811eb0d39f0f8ce85
https://doi.org/10.1002/1521-3846(200205)22:1/2<167::aid-abio167>3.0.co
https://doi.org/10.1002/1521-3846(200205)22:1/2<167::aid-abio167>3.0.co
Autor:
Tatiana Dizhbite, Galina Rossinskaya, E. M. Lazareva, U. Viesturs, Galina Telysheva, Anna Kizima, Vilhelmina Jurkjane, Girts Zakis
Publikováno v:
Bioresource Technology. 67:221-228
Sorption characteristics of acid hydrolysis lignins, commercial by-products of wood conversion to fuel ethanol, and their nitrogen-containing derivatives have been examined to determine the most suitable areas of application of lignin-based sorbents.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d386fa1bda9084a2991c2fed9fb7e4a
https://doi.org/10.1016/s0960-8524(98)80004-7
https://doi.org/10.1016/s0960-8524(98)80004-7
In the present work, the interactions of water insoluble lignins (kraft lignin and hydrolysis lignin) with oppositely charged water-soluble surfactants, quaternary ammonium salts (QAS), were investigated with the aim of producing new materials with e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b30e2b6f89158c3be84e42250c4e5294
https://doi.org/10.1533/9781845693749.3.161
https://doi.org/10.1533/9781845693749.3.161
