Претраживање
Приказ резултата 41-50 од 192
The influence of the parameters of lost foam process on the quality of aluminum alloys castings / Uticaj parametara lost foam procesa na kvalitet odlivaka legura aluminijuma
(Association of Chemical Engineers of Serbia, 2010)
This paper presents the research results of application of Lost foam process for aluminum alloys castings of a simple geometry. The process characteristic is that patterns and gating of moulds, made of polymers, stay in ...
Synthesis of monoacylglycerols by enzymatic methods / Enzimska sinteza monoacilglicerola
(Association of Chemical Engineers of Serbia, 2010)
Monoacylglycerols are non-ionic surfactants widely used in the food industry. They are also important in cosmetic and pharmaceutical industries as drug carriers and for consistency improvements in creams and lotions. The ...
Influence of the way of synthesis of poly(methyl methacrylate) in the presence of surface modified TiO2 nanoparticles on the properties of obtained nanocomposites / Uticaj načina sinteze poli(metil metakrilata) u prisustvu površinski modifikovanih TiO2 nanočestica na svojstva dobijenih nanokompozita
(Association of Chemical Engineers of Serbia, 2010)
Incorporation of inorganic nanoparticles can significantly affect the properties of the polymer matrix. The properties of polymer nanocomposites depend on the type of incorporated nanoparticles, their size and shape, their ...
Optimization of preparation conditions of poly(ε-caprolactone) microspheres for controlled release of carbamazepine / Optimizacija uslova dobijanja mikrosfera na bazi biodegradabilnog poli(ε-kaprolaktona) za kontrolisano otpuštanje karbamazepina
(Association of Chemical Engineers of Serbia, 2010)
Poly (ε-caprolactone), PCL, is an aliphatic polyester suitable for controlled drug release due to its biodegradability, biocompatibility, non-toxicity and high permeability to many therapeutic drugs. This study investigates ...
Controlled swelling and degradation studies of alginate microbeads in dilute natrium citrate solutions / Ispitivanje mogućnosti kontrolisanog bubrenja i razgradnje alginatnih mikročestica u razblaženim rastvorima natrijum-citrata
(Association of Chemical Engineers of Serbia, 2010)
Alginate hydrogels are widely used in biomedicine due to alginate availability, hydrophilic nature, biocompatibility and biodegradability. Alginate microbeads are particularly attractive for applications in pharmacy and ...
Antimicrobial activity of hybrid hydrogels based on poly(vinylpyrrolidone) containing silver / Antimikrobna aktivnost hibridnih hidrogelova na bazi poli(vinilpirolidona) koji sadrže srebro
(Association of Chemical Engineers of Serbia, 2010)
New hybrid hydrogels were prepared by radical copolymerization of 2-hydroxyethyl methacrylate, itaconic acid, poly(vinylpyrrolidone) and silver salt. FTIR spectroscopy has confirmed binding of silver particles in hydrogels. ...
Recent trends in bioethanol production / Novi trendovi u proizvodnji bioetanola
(Association of Chemical Engineers of Serbia, 2011)
The rapid depletion of the world petroleum supply and the increasing problem of greenhouse gas effects have strengthened the worldwide interest in alternative, nonpetroleum sources of energy. Bioethanol accounts for the ...
Synthesis and characterization of sintered hydroxyapatite/lignin coatings on titanium / Sinteza i karakterizacija sinterovanih hidroksiapatit/lignin prevlaka na titanu
(Association of Chemical Engineers of Serbia, 2012)
To improve corrosion stability and biocompatibility of titanium surface, hydroxyapatite (Ca10(PO4)6(OH)2, HAP) has been used as coated material because it has similar chemical composition as bone tissue. Incorporation of ...
Hybrid Nd-Fe-B/barium ferrite magnetic materials with epoxy matrix / Hibdridni Nd-Fe-B/barijum-ferit magnetni materijali sa epoksi matricom
(Association of Chemical Engineers of Serbia, 2012)
Lately, there has been great attention paid to the research of bonded hybrid composites with improved dynamic mechanical capacities capable of replacing bonded Nd-Fe-B magnetic materials, by using cheaper (ferrite) materials ...
Synthesis and characterization of thermosensitive hydrogels and the investigation of modifiedrelease of ibuprofen / Sinteza i karakterizacija termoosetljivih hidrogelova i ispitivanje modifikovanog oslobađanja ibuprofena
(Association of Chemical Engineers of Serbia, 2013)
The method of the synthesis of poly(N-isopropylacrylamide-co-2-hydroxypropyl methacrylate) hydrogels obtained by radical polymerization is described. Their characterization was carried out by the determination of the ...