Претраживање
Приказ резултата 71-80 од 95
Intermolecular and low-frequency intramolecular Raman scattering study of racemic ibuprofen
(Pergamon-Elsevier Science Ltd, Oxford, 2014)
We report the low-temperature Raman scattering study of racemic ibuprofen. Detailed analysis of the racemic ibuprofen crystal symmetry, related to the vibrational properties of the system, has been presented. The first ...
Lipase-Catalyzed Esterification of Phloridzin: Acyl Donor Effect on Enzymatic Affinity and Antioxidant Properties of Esters
(Amer Chemical Soc, Washington, 2014)
Lipase-catalyzed acylation of phloridzin with a wide range of fatty acids and antioxidant activities of synthesized esters were investigated in this study. Polar solvents were suitable reaction media for esterification, ...
Catalyzed Ester Synthesis Using Candida rugosa Lipase Entrapped by Poly(N-isopropylacrylamide-co-itaconic Acid) Hydrogel
(Hindawi Publishing Corp, New York, 2014)
This study reports the synthesis of polymeric matrices based on N-isopropylacrylamide and itaconic acid and its application for immobilization of lipase from Candida rugosa. The lipase was immobilized by entrapment method. ...
The potential application of TiO2/hydrogel nanocomposite for removal of various textile azo dyes
(Elsevier, Amsterdam, 2014)
TiO2/hydrogel nanocomposite has been utilized for investigation of photocatalytic degradation of three different groups of anionic azo dyes in aqueous solutions under solar light simulating source in order to evaluate its ...
Sinteza, struktura i svojstva novih 3-(supstituisanih benzil)-5,5'-cikloalkan spirohidantoina / Synthesis, structure and properties of novel 3-(substituted benzyl)-5,5'-cycloalkanespirohydantoins
(Beograd : Srpsko hemijsko društvo = Serbian Chemical Society, 2014)
U radu je sintetizovano dvadeset novih 3-(supstituisanih benzil)-5,5'-cikloalkan-spirohidantoina
čija je struktura određena temperaturama toplenja, FT-IR, 1H i 13C NMR i UV spektroskopijom.
Solvatohromizam ovih jedinjenja ...
Preparation of cellulosic fibers with biological activity by immobilization of trypsin on periodate oxidized viscose fibers
(Springer, Dordrecht, 2014)
In this study, a biologically active fibrous material was designed by immobilizing trypsin on viscose fibers. The viscose yarn was first oxidized with sodium periodate to produce aldehyde groups and then employed as a ...
Synthesis of pure and La-doped anatase nanopowders by sol-gel and hydrothermal methods and their efficiency in photocatalytic degradation of alprazolam
(Elsevier Ltd., 2014)
Pure and La3+ doped titanium dioxide (TiO2) nanopowders were obtained by sol gel and hydrothermal methods. A precursor was titanium tetrachloride and concentrations of dopants were 0.5 and 1.0 mol%. Procedures of both ...
Experimental laboratory for development of fillers and auxiliary materials for welding and soldering (2) / Eksperimentalna laboratorija za razvoj dodatnih i pomoćnih materijala za zavarivanje i lemljenje (2)
(DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd, 2014)
Optimizing the content of nickel in flux-cored wire intended for welding micro-alloyed steels / Optimizacija sadržaja nikla u punjenoj žici namenjenoj za zavarivanje mikrolegiranih čelika
(DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd, 2014)
This paper presents the results related to organizing production of flux-cored wire alloyed with Ni and Mo according to standard AWS A5.29 intended for the MAG welding process. On the experimental line for steel strip ...
Dobijanje pamučne pređe poboljšanih sorpcionih svojstava / Obtaining of cotton yarn with improved sorption properties
(Beograd : Srpsko hemijsko društvo, 2014)
U ovom radu proučavan je uticaj TEMPO- oksidacije na hemijski sastav, strukturu i svojstva
pamučne pređe. Nemodifikovana i modifikovana pamučna pređa okarakterisana je sa aspekta
gubitka mase, sadržaja vlage, sadržaja ...