Претраживање
Приказ резултата 1-10 од 184
Synthesis of B6 vitamin / Sinteza vitamina B6
(Association of Chemical Engineers of Serbia, 2009)
The importance of vitamin B6 has been known since its discovery in the 1940's. Chemical tests, elestrometric titration determinations, and absorption spectrum studies showed that this vitamin exists in three major chemical ...
Silver deposition on chemically treated carbon monolith / Izdvajanje srebra na površini hemijski tretiranog karbon monolita
(Association of Chemical Engineers of Serbia, 2009)
Carbon monolith was treated with HNO3, KOH and H2O2. Effects of these treatments on the surface functional groups and on the amount of silver deposited on the CM surface were studied by temperature programmed desorption ...
Lipases and proteases produced by indigenous Pseudomonas aeruginosa strain as potential detergent additives / Lipaze i proteaze dobijene iz ekstremofilne Pseudomonas aeruginosa vrste kao aditivi u formulacijama deterdženata
(Association of Chemical Engineers of Serbia, 2009)
Enzymes produced by indigenous Pseudomonas aeruginosa strain have been subjected to research considering their potential application as detergent additives. As previously noted, lipase produced by Pseudomonas aeruginosa ...
Effects of air-lift reactor dimensions on its hydrodinamic characteristics / Uticaj geometrije pneumatskog reaktora sa spoljašnjom recirkulacijom na njegove hidrodinamičke osobine
(Association of Chemical Engineers of Serbia, 2010)
In this study the hydrodynamic characteristics of the external loop airlift bioreactors were investigated. The influence of reactor height and solid particles concentration on the mean liquid circulation velocity was ...
Heterogeneous base-catalyzed methanolysis of vegetable oils: State of art / Heterogena bazno katalizovana metanoliza biljnih ulja - presek stanja
(Association of Chemical Engineers of Serbia, 2010)
Today, homogeneous base-catalyzed methanolysis is the most frequently used method for industrial biodiesel production. High requirements for the quality of the feedstocks and the problems related to the huge amount of ...
Silver(I)-complexes with an itaconic acid-based hydrogel / Kompleksi srebra I kopolimernih hidrogelova na bazi itakonske kiseline
(Association of Chemical Engineers of Serbia, 2009)
Silver(I) itaconic acid-based hydrogel complexes were synthesized and characterized in order to examine the potential use of these systems; FTIR, AFM, in vitro fluid-uptake, metal sorption and antibacterial activity assay ...
Smart hydrogels based on itaconic acid for biomedical application / Inteligentni hidrogelovi na bazi itakonske kiseline za biomedicinsku primenu
(Association of Chemical Engineers of Serbia, 2009)
pH and temperature sensitive hydrogels, based on 2-hydroxyethyl methacrylate (HEMA) and itaconic acid (IA) copolymers, were prepared by gamma irradiation and characterized in order to examine their potential use in biomedical ...
Hydantoins: Synthesis, properties and anticonvulsant activity / Hidantoini - dobijanje, svojstva i antikonvulzivna aktivnost
(Association of Chemical Engineers of Serbia, 2009)
Hydantoin is a five-membered cyclic ureide that is present in numerous biologically active compounds including antiarrhytmics, anticonvulsants and antitumor agents. This paper describes different ways of synthesis of ...
Lipases as biocatalysts for biodiesel production / Lipaze kao biokatalizatori u sintezi biodizela
(Association of Chemical Engineers of Serbia, 2010)
Lipases can be used for a variety of biotechnological applications: synthesis of fine chemicals, therapeutics, agrochemicals, cosmetics, flavors, biopolymers and biodiesel. Biodiesel is an alternative fuel for diesel engines ...
New method for synthesis of N-alkyl and N,N-dialkyl-O-ethyl and O-isopropylthiocarbamates by oxidation of ammonium salt of xhantogenic acid / Novi postupak sinteze N-alkil- i N,N-dialkil-O-etil- i O-izopropiltiokarbamata oksidacijom aminskih soli ksantogene kiseline
(Association of Chemical Engineers of Serbia, 2010)
Syntheses of N-alkyl and N,N-dialkyl-O-ethyl and O-isopropyl thiocarbamates by oxidation of ammonium salts of ethyl- and isopropylxanthogenic acid in the presence of sodium hypochlorite and hydrogen peroxide were performed. ...