Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Aleksandra, Daković"'
Influence of the Type and the Amount of Surfactant in Phillipsite on Adsorption of Diclofenac Sodium
Autor:
Danijela Smiljanić, Aleksandra Daković, Milena Obradović, Milica Ožegović, Marija Marković, George E. Rottinghaus, Bruno de Gennaro
Publikováno v:
Catalysts, Vol 13, Iss 1, p 71 (2022)
Modified phillipsite samples were prepared with two different amounts (monolayer and bilayer coverage) of surfactants octadecyldimethylbenzylammonium chloride (O) and dodecylamine (D). Composites were characterized by Fourier transform infrared spect
Externí odkaz:
https://doaj.org/article/29bd6587e99c497ea67652918d1e6190
Autor:
Danijela Smiljanić, Aleksandra Daković, Milena Obradović, Milica Ožegović, Francesco Izzo, Chiara Germinario, Bruno de Gennaro
Publikováno v:
Materials, Vol 14, Iss 24, p 7728 (2021)
This work aimed to test composites (surfactant modified zeolites prepared by treatment of natural zeolites—clinoptilolite (IZ CLI) and/or phillipsite (PHIL75)-rich tuffs with two different amounts of cationic surfactants: cetylpyridinium chloride (
Externí odkaz:
https://doaj.org/article/463fd9ed02e842d58e158a82f6d2459e
Autor:
ALEKSANDRA DAKOVIĆ, ŽIVKO SEKULIĆ, GEORGE E. ROTTINGHAUS, ANA STOJANOVIĆ, SONJA MILIĆEVIĆ, MILAN KRAGOVIĆ
Publikováno v:
Journal of the Serbian Chemical Society, Vol 74, Iss 11, Pp 1283-1292 (2009)
The adsorption of T-2 toxin by the natural smectite mineral – hectorite at pH 3.0, 7.0 and 9.0 was investigated. The results of T-2 toxin adsorption on hectorite showed that the T-2 adsorption capacity decreased with increasing concentration of ads
Externí odkaz:
https://doaj.org/article/7d4a6422223c474bbb60ab9439803c97
Autor:
George E. Rottinghaus, Marija Marković, Danina Krajišnik, Milica Spasojević, Aleksandra Daković, Ana S. Radosavljević Mihajlović
Publikováno v:
Metallurgical & Materials Engineering, Vol 25, Iss 1, Pp 39-45 (2019)
Octadecyldimethylbenzyl ammonium chloride (OA) was used as a surfactant for the preparation of organokaolin. The natural kaolin (from a plant for production of quartz sand in Rgotina, Serbia) was modified with a surfactant in amount equal to 90% of
Autor:
Milena Obradović, Aleksandra Daković, Danijela Smiljanić, Milica Ožegović, Marija Marković, George E. Rottinghaus, Jugoslav Krstić
Publikováno v:
Microporous and Mesoporous Materials
Cationic surfactant - octadecyldimethylbenzyl ammonium chloride (ODMBA) was used for modification of the three natural raw materials - bentonite, kaolin and zeolite. Adsorption of ODMBA by minerals occurred via ion exchange of inorganic cations on mi
Publikováno v:
Processes
Volume 9
Issue 2
Processes, Vol 9, Iss 217, p 217 (2021)
Processes, vol. 9, no. 2, 2021.
Volume 9
Issue 2
Processes, Vol 9, Iss 217, p 217 (2021)
Processes, vol. 9, no. 2, 2021.
Sulfur-impregnated zeolite has been obtained from the natural zeolite clinoptilolite by chemical modification with Na2S at 150 °
C. The purpose of zeolite impregnation was to enhance the sorption of Hg(II) from aqueous solutions. Chemical ana
C. The purpose of zeolite impregnation was to enhance the sorption of Hg(II) from aqueous solutions. Chemical ana
Autor:
Bojan Čalija, Jovica Stojanović, Jugoslav Krstić, Aleksandra Daković, Valentina Jauković, Ana Damjanović, Danina Krajišnik
Publikováno v:
Materials Science and Engineering C
The functionality of halloysite (Hal) nanotubes as drug carriers can be improved by lumen enlargement and polymer modification. This study investigates the influence of selective acid etching on Hal functionalization with cationic biopolymer chitosan
Autor:
Marija Marković, George E. Rottinghaus, Danina Krajišnik, Milena Obradović, Jugoslav Krstić, Milica Spasojević, Aleksandra Daković
Publikováno v:
Applied Clay Science
A natural kaolin from Serbia was modified with different amounts of octadecyldimethylbenzyl ammonium (ODMBA) - (25, 50 and 90% of kaolin cation exchange capacity). Samples were denoted as OKR-25, OKR-50 and OKR-90. Several methods (FTIR spectroscopy,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b5547829348bcb8bb7fcc43f433e02ec
https://cer.ihtm.bg.ac.rs/handle/123456789/4492
https://cer.ihtm.bg.ac.rs/handle/123456789/4492
Autor:
Aleksandra Daković, Kata Trifković, Jovica Stojanović, Nikola Milašinović, Danina Krajišnik, Bojan Čalija, Jela Milić
Publikováno v:
Journal of Applied Polymer Science
This study was designed to investigate functionality of tetracycline‐loaded chitosan‐halloysite nanocomposite films, with focus on evaluating the influence of chitosan molar mass on films applicability for sustained local antibiotic delivery. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a7fe703cf7ae96d4f9e0c34ce42f507
https://farfar.pharmacy.bg.ac.rs/handle/123456789/3476
https://farfar.pharmacy.bg.ac.rs/handle/123456789/3476
Autor:
Vojislav V. Mitić, Aleksandra Daković, Branislav Marković, Ana Radosavljević-Mihajlović, Jovica Stojanović, Miroslav Sokić, Vladan D. Kašić
Publikováno v:
Hemijska industrija
This paper presents mineralogical and crystallographic characterization of the zeolitic tuff from the Novakovic deposit, Republic of Bosnia and Herzegovina. The zeolitic tuff is of a whitish color composed of Ca-clinoptilolite and an amorphous phase