Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Jozef Šima"'
Autor:
Michal Jablonsky, Jozef Šima
Publikováno v:
BioResources, Vol 17, Iss 4, Pp 5565-5567 (2022)
Sustaining life on the Earth with its ever-growing population is forcing changes in people’s way of life, industrial and agricultural production, exploitation of energy resources, and approaches to ecology. We face continual growth in the world’s
Externí odkaz:
https://doaj.org/article/bd576c227bd7444eb397fdbce4d323d7
Autor:
Michal Jablonský, Jozef Šima
Publikováno v:
BioResources, Vol 17, Iss 3, Pp 3880-3882 (2022)
Recent years of research and development have brought frequently used terms for new types of green solvents to the lexicon of scientists. This can lead to terminological inaccuracies. In particular, different names are being used for the same types o
Externí odkaz:
https://doaj.org/article/b50ba32e630d49a8b27852da1d8dd1c3
Publikováno v:
BioResources, Vol 16, Iss 3, Pp 4667-4670 (2021)
Acquisition and isolation of value-added substances from natural sources using new types of green solvents are becoming a breakthrough area of 21st century research. In combination with various extraction techniques, there is expected to be a diversi
Externí odkaz:
https://doaj.org/article/980ef244efb943459e53bcffadedb118
Autor:
Alexandra Sládková, Martina Benedeková, Ján Stopka, Igor Šurina, Aleš Ház, Petra Strižincová, Katarína Čižová, Andrea Škulcová, Zuzana Burčová, František Kreps, Jozef Šima, Michal Jablonský
Publikováno v:
BioResources, Vol 11, Iss 4, Pp 9912-9921 (2016)
Closed-system microwave-assisted extraction was applied to extract total phenolics from spruce (Picea abies) bark, using 96.6% ethanol as an extractant. The influence of particle size (0.3; 1.0; 2.5 mm), time (3 to 20 min), and temperature (60; 80; 1
Externí odkaz:
https://doaj.org/article/b3e68adff3bd4ce18822b43df1febb66
Autor:
Michal Jablonský, Jozef Šima
Publikováno v:
Molecules, Vol 25, Iss 24, p 5815 (2020)
The present contribution evaluates the methods of degradation and stabilization of alum-containing paper with a focus on the alkaline environment achieved by deacidification procedures. In terms of reviewed subjects, the contribution focuses on alum-
Externí odkaz:
https://doaj.org/article/8b2a944ad9af41e6bce7d6afbe8d4aa4
Autor:
Michal Jablonský, Jozef Šima
Publikováno v:
Crystals, Vol 10, Iss 9, p 800 (2020)
In recent years, a plethora of extraction processes have been performed by a novel class of green solvents known as deep eutectic solvents (DESs), possessing several environmental, operational, and economic advantages proven by experience when compar
Externí odkaz:
https://doaj.org/article/e426a552e13048c9a335ec420a052148
Publikováno v:
Crystals, Vol 10, Iss 3, p 217 (2020)
Substantial research activity has been focused on new modes of extraction and refining processes during the last decades. In this field, coverage of the recovery of bioactive compounds and the role of green solvents such as deep eutectic solvents (DE
Externí odkaz:
https://doaj.org/article/7ce73baae22d4c598ede05225decf026
Autor:
Michal Jablonský, Lenka Dubinyová, Štefan Varga, Katarína Vizárová, Jozef Šima, Svetozár Katuščák
Publikováno v:
BioResources, Vol 10, Iss 3, Pp 5845-5862 (2015)
Simple, rapid staining analytical methods with visual color assessment are the most used in practice, but they involve problems including subjective error, low accuracy, qualitative results, and the necessity of using many kinds of stains and a great
Externí odkaz:
https://doaj.org/article/8c0ee759347c4063a9b1a9877a365707
Autor:
Igor Šurina, Michal Jablonský, Aleš Ház, Alexandra Sladková, Anna Briškárová, František Kačík, Jozef Šima
Publikováno v:
BioResources, Vol 10, Iss 1, Pp 1408-1423 (2015)
Lignin is an attractive, renewable raw material provided by all types of agricultural and silvicultural vegetation. The precipitation of lignin fractions through acidification of the black liquor was performed and the products characterized for the f
Externí odkaz:
https://doaj.org/article/d9a70e2ef8f040fba0264e8ce99163bf
Publikováno v:
Molecules, Vol 24, Iss 21, p 3978 (2019)
This review deals with two overlapping issues, namely polymer chemistry and deep eutectic solvents (DESs). With regard to polymers, specific aspects of synthetic polymers, polymerization processes producing such polymers, and natural cellulose-based
Externí odkaz:
https://doaj.org/article/7330ce3e6fe641168d5a2d47e6a51ec7