Method Transfer Evaluation for Digital Derivative Spectrophotometry Through its Resolution Parameter Comparison of Different Computer Programs

Autor: Natasa Bogavac-Stanojevic, Katarina Karljikovic-Rajic, Sote Vladimirov, Bojan Marković, Ana Homšek

Publikováno v: Applied Spectroscopy

The application assessment of different programs was performed with equivalence tests for method transfer pro second-order derivative spectrophotometry. The digital second-order derivative spectra were calculated on different instruments; GBC Scienti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e91a2186f35ed781ee3a433092e06d4
https://pubmed.ncbi.nlm.nih.gov/32167375

Selected analyses of chitosan from dietary supplement on market: Development of modified methods for degree of deacetylation determination

Autor: Milica Jankov, Bojan Marković, Katarina Karljikovic-Rajic, Branka Ivković

Publikováno v: Hrana i ishrana (2017) 58(1):27-34

Introduction Chitosanisanunbranchedbinaryheteropolysaccaride obtained from chitin by partial alkaline deacetylation. Chitosan is biocompatible and biodegradable polymer used in pharmacy and biomedical investigations. In dietary supplements chitosan i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4fc3006c362dda0ab14781cfe7d4e5bd
https://doi.org/10.5937/hraish1701027m

HPLC EVALUATION OF SOLVOLYSIS OF A NOVEL ESTER FLUOCINOLONE ACETONIDE 21-(2′-PHENOXYPROPIONATE) IN COMPARISON WITH FLUOCINONIDE

Autor: Sote Vladimirov, Vladimir Savic, Olivera Čudina, Bojan Marković, Katarina Karljikovic-Rajic

Publikováno v: Journal of Liquid Chromatography & Related Technologies

In this study the solvolysis of novel fluocinolone acetonide 21-(2'-phenoxypropionate) in comparison with fluocinonide was analyzed in order to evaluate this process as an in vitro model for prodrug activation. The solvolysis was performed in ethanol

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f93a77066f664e59bc37b1faf6fb574b
https://doi.org/10.1080/10826076.2011.587223

Densitometric determination of zinc bacitracin and nystatin in animal feed

Autor: Borut Štrukelj, Rade Injac, Katarina Karljikovic-Rajic, Henk Lingeman, Vukosava Djordjevic-Milic

Publikováno v: Journal of the Science of Food and Agriculture, 88(9), 1576-1581. John Wiley and Sons Ltd
Injac, R, Strukej, B, Djordjevic-Milic, V, Karjikovic-Rajic, K & Lingeman, H 2008, ' Densitometric determination of zinc bacitracin and nystatin in animal feed ', Journal of the Science of Food and Agriculture, vol. 88, no. 9, pp. 1576-1581 . https://doi.org/10.1002/jsfa.3253

BACKGROUND: The European Union has forbidden the use of antibiotics as additives in animal feed. Zn-bacitracin (Zn-BC) and nystatin (NYS) were frequently used for their growth-promoting effects and for feed conversion in poultry, pigs and cattle. An

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4dfbb04fe61bc919984db75545d38938
https://doi.org/10.1002/jsfa.3253

Micellar electrokinetic capillary chromatography determination of zinc bacitracin and nystatin in animal feed

Autor: Javor Kac, Aleš Mlinarič, Rade Injac, Katarina Karljikovic-Rajic

Publikováno v: Journal of Separation Science

An MEKC procedure was developed for the separation of zinc bacitracin (Zn-BC) and nystatin (NYS) in mixtures and in animal feedstuff. The running buffer was 15 mM borate/19 mM phosphate, pH 8.2, containing 20 mM SDS and 10% v/v methanol. Samples were

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e22120ff7e23278182460608ac7a942
https://doi.org/10.1002/jssc.200500477