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Modified nanocellulose as a support for adsorption of lipase from Candida rugosa

dc.creatorNikolić, Jovana M.
dc.creatorPrlainović, Nevena Ž.
dc.creatorBanjanac, Katarina M.
dc.creatorRančić, Milica P.
dc.creatorBezbradica, Dejan I.
dc.creatorMarinković, Aleksandar D.
dc.date.accessioned2023-11-23T13:44:09Z
dc.date.available2023-11-23T13:44:09Z
dc.date.issued2016
dc.identifier.isbn978-86-7132-061-0
dc.identifier.urihttp://TechnoRep.tmf.bg.ac.rs/handle/123456789/6898
dc.description.abstractSa ubrzanim razvojem nanotehnologije, celuloza kao najrasprostranjeniji i najvažniji prirodni polimer na zemiji privlači sve veću pažnju u formi nanoceluloze. Zbog svoje biodegradabilnosti, biokompatibilnosti i velike specifične površine nanoceluloza je veoma pogodan material za imobilizaciju enzima. U cilju ostvarivanja stabilnije veze između nosača i enzima i dobijanja biokatalizatora sa što većom katalitičkom aktivnosti, u ovom radu su različitim metodima funkcionalizacije na površinu nanoceluloze uvedene amino i karboksilne grupe. Određen je broj uvedenih grupa, svi materijali okarakterisani su FT-IR spektroskopijom i TG analizom, a određen je i zeta potencijal površina. Ispitan je uticaj jonske jačine rastvora i adsorpcija lipaze iz Candida rugosa testirana je u 0,1 i 1 M fosfatnom puferu, a rezultati ispitivanja aktivnosti pokazali su da je enzim nakon imobilizacije zadržao čak 54,5 % od početne aktivnosti.sr
dc.description.abstractWith the rapid development of nanotechnology, cellulose as the most abundant and important natural polymer on earth, is attracting increasing attention in its form of nanocellulose. Due to its biodegradability, biocompatibility and large specific surface nanocellulose is a very suitable material for the immobilization of enzymes. In order to accomplish more stable bond with the enzyme and obtain biocatalyst with high catalytic activity, in this paper nanocellulose surface was functionalized with different methods, and amino and carboxyl groups were introduced. All materials were characterized by FT-IR spectroscopy and TG analysis, and in addition, zeta potential of all surfaces was determined. The effect of the ionic strength of the solution on the adsorption of the lipase from Candida rugosa was tested in 0.1 and 1 M phosphate buffer, and the activity results showed that after immobilization lipase retained 54.5% of the initial activity.sr
dc.language.isosrsr
dc.language.isoensr
dc.publisherBeograd : Srpsko hemijsko društvosr
dc.relationinfo:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/46010/RS//sr
dc.rightsopenAccesssr
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.sourceProgram i kratki izvodi radova / 53. savetovanje Srpskog hemijskog društva, Kragujevac, 10. i 11. jun 2016sr
dc.titleModifikovana nanoceluloza kao nosač za imobilizaciju lipaze iz Candida rugosasr
dc.titleModified nanocellulose as a support for adsorption of lipase from Candida rugosasr
dc.typeconferenceObjectsr
dc.rights.licenseBYsr
dc.citation.spage50
dc.identifier.fulltexthttp://TechnoRep.tmf.bg.ac.rs/bitstream/id/18797/bitstream_18797.pdf
dc.identifier.rcubhttps://hdl.handle.net/21.15107/rcub_technorep_6898
dc.type.versionpublishedVersionsr


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