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Low-temperature tension properties of glass-epoxy composite materials / Određivanje zateznih svojstava staklo-epoksi kompozitnih materijala na niskim temperaturama
(Faculty of Technology, Novi Sad, 2005)
The aim of this paper was to present the determination of tensile strength Rm and modulus of elasticity Et of glass-epoxy composites at two different temperatures (at room temperature t=20°C, and at t =-50°C). Standard ...
Immobilization of yeast cells in small alginate beads using electrostatic droplet generation / Primena postupka elektrostatičke ekstruzije pri dobijanju alginatnih čestica malih dimenzija sa imobilisanim ćelijama pivskog kvasca
(Faculty of Technology, Novi Sad, 2000)
In beer brewing with immobilized yeast cells it is very important to minimize the mass transfer resistance, problem associated with large diameter beads, because the mass transfer limitations may force the cells to alter ...
Characterisation of natural isolates of lactic acid bacteria from white soft cheese from Sjenica / Karakterizacija prirodnih izolata bakterija mlečne kiseline iz Sjeničkog sira
(Faculty of Technology, Novi Sad, 2000)
Selection of natural isolates of lactic acid bacteria (LAB) according to criteria that are significant for cheese manufacture and their application as starter cultures, contributed to unifying quality and better control ...
Lipase-catalyzed biodiesel synthesis with different acyl acceptors / Primena novih acil akceptora u procesu enzimski katalizovane sinteze biodizela
(Faculty of Technology, Novi Sad, 2008)
Biodiesel is an alternative fuel for diesel engine that is environmentally acceptable. Conventionally, biodiesel is produced by transesterification of triglycerides and short alcohols in the presence of an acid or an ...
Immobilization of lipase on sepabeads and its application in pentyl octanoate synthesis in a low aqueous system / Imobilizacija lipaze na komercijalni epoksidni nosač za sintezu pentil-oktanoata u mikrovodenom sistemu
(Faculty of Technology, Novi Sad, 2008)
The object of the study was to investigate the process conditions relevant for the pentyl octanoate production with the lipase from Candida rugosa immobilized on Sepabeads EC-EP carrier. This is an epoxide-containing ...
Immobilized lipases as practical catalysts / Imobilisane lipaze kao katalizatori od praktičnog značaja
(Faculty of Technology, Novi Sad, 2004)
Attractive features of lipase systems include versatility, substrate selectivity, regioselectivity, enantioselectivity and catalysis at ambient temperatures and pressures. To fully exploit the technical and economical ...
Covalent immobilization of lipase from Candida rugosa on Eupergit® / Kovalentna imobilizacija lipaze iz Candida rugosa za Eupergit®
(Faculty of Technology, Novi Sad, 2005)
An approach is presented for the stable covalent immobilization of Upase from Candida rugosa on Eupergit® with a high retention of hydrolytic activity. It comprises covalent bonding via lipase carbohydrate moiety previously ...
Physico-chemical characterization and antibacterial-activity of copper(II), zinc(II) and nickel(II) complexes with 2-methylbenzimidazole / Fizičko-hemijska karakterizacija i antibakterijska aktivnost bakar(II), cink(II) i nikal(II) kompleksa sa 2-metilbenzimidazolom
(Faculty of Technology, Novi Sad, 2001)
Chlorides and nitrates of copper(II), zinc(II) and nickel(II) react with 2-methylbenzimidazole to give complexes of the type [MX2(H2O))n(L).nH20 or [MX2(H2O)n(L)n]-nEtOH(M=Cu, Zn or Ni; X=Cl or NO3; L-=2-methylbenzimidazole; ...
Immobilization of penicillin acylase from Escherichia coli on commercial sepabeads EC-EP carrier / Imobilizacija penicilin-acilaze iz Escherichia coli na komercijalnom sepabeads nosaču
(Faculty of Technology, Novi Sad, 2007)
This paper describes the covalent immobilization of penicillin G acylase from Escherichia coli on sepabeads EC-EP, an epoxy-activated polymethacrylic carrier and kinetic properties of the immobilized enzyme. The selected ...
The extremely high stability of carbofuran pesticide in acidic media / Ekstremno visoka stabilnost pesticida karbofurana u kiseloj sredini
(Faculty of Technology, Novi Sad, 2007)
Environment friendly iron catalysts were applied in the decomposition reactions of some toxic compounds like phenol, methomyl and corbofuran pesticide. The applied catalytic processes belong to photo-Fenton reactions. ...