Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Dušan Z. Mijin"'
Autor:
Aleksandra A. Jovanović, Una-Jovana V. Vajić, Dušan Z. Mijin, Gordana M. Zdunić, Katarina P. Šavikin, Suzana Branković, Dušanka Kitić, Branko M. Bugarski
Publikováno v:
Journal of Applied Research on Medicinal and Aromatic Plants
In the present study, polyphenol extraction from Thymus serpyllum by-product (herbal dust) in microwave reactor was optimized through varying extraction time, ethanol concentration and solid-to-solvent ratiovia determination of total polyphenol and f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19f495d19b8026320f47277ad69b8f0f
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5194
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5194
Autor:
Miodrag V. Zdujić, Dušan Ž. Mijin
Publikováno v:
Zaštita Materijala, Vol 60, Iss 3, Pp 229-236 (2019)
Milling of cyanoacetamide and acetoacetic ester as reactants, in the presence of KOH as the catalyst and ethanol as a viscous control agent (VCA) was performed in a planetary ball mill with the goal of investigating the effect of mechanochemical trea
Externí odkaz:
https://doaj.org/article/0bbb1ad000214b18946a466c7d2490da
Publikováno v:
Zaštita Materijala, Vol 58, Iss 1, Pp 80-85 (2017)
In this work the synthesis of 4,6-dimethyl-3-cyano-2-pyridone catalyzed by amino acids was studied. In the first part of the work, the optimization was carried out by varying the initial concentration of glycine, the molar ratio of the reactants (ace
Externí odkaz:
https://doaj.org/article/b10991327aa842bb863c787dd853c33b
Publikováno v:
Zaštita Materijala, Vol 57, Iss 1, Pp 63-70 (2016)
In this study three synthetic dyes were treated using hypochlorite or combination of hypochlorite and microwave irradiation in order to investigate factors which determine decolorisation of the investigated compounds. An azo dye (C.I. Reactive Orange
Externí odkaz:
https://doaj.org/article/f1f05a7a85ff44f99d4708ac43412a7d
Autor:
Nataša Ž. Šekuljica, Nevena Ž. Prlainović, Nevena M. Lukić, Aleksandra M. Jakovljević, Sanja Ž. Grbavčić, Dušan Ž. Mijin, Jugović Zorica D. Knežević
Publikováno v:
Zaštita Materijala, Vol 56, Iss 3, Pp 335-339 (2015)
Synthetic dyes are used in all sectors of industry and represent a serious ecological problem. By the presence, anthraquinone dyes are right after the azo dyes. Unlike azo, anthraquinone dyes are considerably harder to degrade due to the presence of
Externí odkaz:
https://doaj.org/article/ddaf2145a5ee46439fcd382b4fb0e20c
Autor:
Aleksandar D. Marinković, Jelena Nedeljković, Dušan Ž. Mijin, Nataša Ilić, Slobodan D. Petrović
Publikováno v:
Chemical Industry and Chemical Engineering Quarterly, Vol 17, Iss 3, Pp 307-314 (2011)
Linear free energy relationships (LFER) were applied to the IR, 1H- and 13C--NMR spectral data in N-alkyl and N-cycloalkyl cyanoacetamides. N-alkyl and N-cycloalkyl cyanocetamides were synthesized from corresponding amine and ethyl cyanoacetate. A nu
Externí odkaz:
https://doaj.org/article/b723a827e0d9441e843e7d59bb636e46
Autor:
NINA TODOROVIĆ, GORDANA S. UŠĆUMLIĆ, NATAŠA V. VALENTIĆ, DUŠAN Ž. MIJIN, ALEKSANDAR D. MARINKOVIĆ, ADEL S. ALIMMARI
Publikováno v:
Journal of the Serbian Chemical Society, Vol 75, Iss 8, Pp 1019-1032 (2010)
A series of some new pyridone arylazo dyes was synthesized from the corresponding diazonium salts and 3-cyano-4,6-diphenyl-2-pyridone using the classical reaction for the synthesis of the azo compounds. The structures of these dyes were confirmed by
Externí odkaz:
https://doaj.org/article/85975fdcecc642feb8f37a58e62e9c40
Autor:
Milka L. Avramov Ivić, Slobodan D. Petrović, Predrag M. Živković, Dušan Ž. Mijin, Katica M. Drljević
Publikováno v:
Chemical Industry and Chemical Engineering Quarterly, Vol 16, Iss 2, Pp 111-116 (2010)
Using the cyclic voltammetry, it has been shown that hydrogen evolution at a gold electrode is necessary in the electrochemical activation of azithromycin dihydrate and erythromycin A. After four hours of the potential holding at –1.2 V vs. SCE, th
Externí odkaz:
https://doaj.org/article/3b02c204d9174051a77b993fc7dfccce
Autor:
ANDJELKA V. TOMAŠEVIĆ, MILKA L. AVRAMOV IVIĆ, SLOBODAN D. PETROVIĆ, MIĆA B. JOVANOVIĆ, DUŠAN Ž. MIJIN
Publikováno v:
Journal of the Serbian Chemical Society, Vol 74, Iss 5, Pp 573-579 (2009)
A gold electrode was used for the qualitative and quantitative electrochemical determination of analytical methomyl in a neutral electrolyte (0.050 M NaHCO3) using cyclic linear sweep voltammetry. In the potential range from –800 mV vs. SCE to 1000
Externí odkaz:
https://doaj.org/article/7eaedd6bdb6a416093955bbb6247d982
Publikováno v:
Chemical Industry and Chemical Engineering Quarterly, Vol 14, Iss 4, Pp 245-249 (2008)
Lipase from Candida rugosa immobilized on Sepabeads EC-EP was shown to catalyze the esterification of geraniol with butyric acid in a predominantly organic system. The immobilization procedure was adjusted to optimize the enzyme activity and the immo
Externí odkaz:
https://doaj.org/article/d584bf2527714d118bb4e252b2715c5a