Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200161 (University of Belgrade, Faculty of Pharmacy)

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Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200161 (University of Belgrade, Faculty of Pharmacy) (en)
Ministarstvo prosvete, nauke i tehnološkog razvoja Republike Srbije, Ugovor br. 200161 (Univerzitet u Beogradu, Farmaceutski fakultet) (sr_RS)
Министарство просвете, науке и технолошког развоја Републике Србије, Уговор бр. 200161 (Универзитет у Београду, Фармацеутски факултет) (sr)
Authors

Publications

Micellar properties of cetyltrimethylammonium bromide in an acetonitrile-water mixture: conductometric and fluorescence studies

Janosevic-Lezaic, Aleksandra; Pejic, Nataša; Goronja, Jelena; Pavun, Leposava; Đikanović, Daniela; Malenović, Andelija

(Soc Chemists Technologists Madeconia, Skopje, 2021) 

TY  - JOUR
AU  - Janosevic-Lezaic, Aleksandra
AU  - Pejic, Nataša
AU  - Goronja, Jelena
AU  - Pavun, Leposava
AU  - Đikanović, Daniela
AU  - Malenović, Andelija
PY  - 2021
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/1480
AB  - The effect of acetonitrile (ACN) on the micellization of a cationic surfactant, cetyltrimethylammo-nium bromide (CTAB), in aqueous solutions at different temperatures was studied. The critical micellar concentration (CMC) as well as the degree of counter ion dissociation (a) of CTAB in aqueous ACN mixtures (10-20 % v/v) at various temperatures (291.2-298.2 K) were determined by electrical conduc-tivity measurements, while steady-state fluorescence measurements were used to determine several CMCs (for comparison) and a micellar aggregation number (N-agg) as well. At a fixed temperature, both an increase in CMC and a decrease in N-agg were observed for an increase in ACN in the solvent mixture. With a temperature increase, CMC values increased for 10 % (v/v) ACN, while for both 15 % and 20 % (v/v) ACN, CMC values were a minimum at T = 295.2 K with a temperature increase. In addition, some aspects related to the Krafft temperature behavior of CTAB in the examined micellar systems are discussed.
PB  - Soc Chemists Technologists Madeconia, Skopje
T2  - Macedonian Journal of Chemistry and Chemical Engineering
T1  - Micellar properties of cetyltrimethylammonium bromide in an acetonitrile-water mixture: conductometric and fluorescence studies
EP  - 287
IS  - 2
SP  - 277
VL  - 40
DO  - 10.20450/mjcce.2021.2394
ER  - 
@article{
author = "Janosevic-Lezaic, Aleksandra and Pejic, Nataša and Goronja, Jelena and Pavun, Leposava and Đikanović, Daniela and Malenović, Andelija",
year = "2021",
abstract = "The effect of acetonitrile (ACN) on the micellization of a cationic surfactant, cetyltrimethylammo-nium bromide (CTAB), in aqueous solutions at different temperatures was studied. The critical micellar concentration (CMC) as well as the degree of counter ion dissociation (a) of CTAB in aqueous ACN mixtures (10-20 % v/v) at various temperatures (291.2-298.2 K) were determined by electrical conduc-tivity measurements, while steady-state fluorescence measurements were used to determine several CMCs (for comparison) and a micellar aggregation number (N-agg) as well. At a fixed temperature, both an increase in CMC and a decrease in N-agg were observed for an increase in ACN in the solvent mixture. With a temperature increase, CMC values increased for 10 % (v/v) ACN, while for both 15 % and 20 % (v/v) ACN, CMC values were a minimum at T = 295.2 K with a temperature increase. In addition, some aspects related to the Krafft temperature behavior of CTAB in the examined micellar systems are discussed.",
publisher = "Soc Chemists Technologists Madeconia, Skopje",
journal = "Macedonian Journal of Chemistry and Chemical Engineering",
title = "Micellar properties of cetyltrimethylammonium bromide in an acetonitrile-water mixture: conductometric and fluorescence studies",
pages = "287-277",
number = "2",
volume = "40",
doi = "10.20450/mjcce.2021.2394"
}
Janosevic-Lezaic, A., Pejic, N., Goronja, J., Pavun, L., Đikanović, D.,& Malenović, A.. (2021). Micellar properties of cetyltrimethylammonium bromide in an acetonitrile-water mixture: conductometric and fluorescence studies. in Macedonian Journal of Chemistry and Chemical Engineering
Soc Chemists Technologists Madeconia, Skopje., 40(2), 277-287.
https://doi.org/10.20450/mjcce.2021.2394
Janosevic-Lezaic A, Pejic N, Goronja J, Pavun L, Đikanović D, Malenović A. Micellar properties of cetyltrimethylammonium bromide in an acetonitrile-water mixture: conductometric and fluorescence studies. in Macedonian Journal of Chemistry and Chemical Engineering. 2021;40(2):277-287.
doi:10.20450/mjcce.2021.2394 .
Janosevic-Lezaic, Aleksandra, Pejic, Nataša, Goronja, Jelena, Pavun, Leposava, Đikanović, Daniela, Malenović, Andelija, "Micellar properties of cetyltrimethylammonium bromide in an acetonitrile-water mixture: conductometric and fluorescence studies" in Macedonian Journal of Chemistry and Chemical Engineering, 40, no. 2 (2021):277-287,
https://doi.org/10.20450/mjcce.2021.2394 . .
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