Zobrazeno 1 - 10
of 176
pro vyhledávání: '"M. Niyaz Khan"'
Publikováno v:
Arabian Journal of Chemistry, Vol 10, Iss S2, Pp S2742-S2749 (2017)
A new semi-empirical kinetic (SEK) method has been used to calculate the values of KXBr or RXBr (X represents substituted iodobenzoates), with KX and KBr representing CTABr micellar binding constants of counterions X− (in the presence of either sph
Externí odkaz:
https://doaj.org/article/082b4465c5b64b78abbafedd2181162f
Publikováno v:
The Scientific World Journal, Vol 2014 (2014)
The values of pseudo-first-order rate constants (kobs) for alkaline hydrolysis of 1, obtained at 1.0 mM NaOH and within CmEnT (total concentration of CmEn) range of 3.0–5.0 mM for C12E23 and 10–20 mM for C18E20, fail to obey pseudophase micellar
Externí odkaz:
https://doaj.org/article/3ec2d6c25a16491080082acf8621a8b3
Autor:
Norazizah Abd. Razak, M. Niyaz Khan
Publikováno v:
The Scientific World Journal, Vol 2014 (2014)
The values of the relative counterion (X) binding constant RXBr (=KX/KBr, where KX and KBr represent cetyltrimethylammonium bromide, CTABr, micellar binding constants of Xv- (in non-spherical micelles), v=1,2, and Br− (in spherical micelles)) are 5
Externí odkaz:
https://doaj.org/article/efa5b4d97fb44c79849ac4aa3fbe6bd8
Publikováno v:
Progress in Reaction Kinetics and Mechanism. 43:41-52
The quantitative correlation of counterion-affinity to aqueous hexadecyltrimethylammonium bromide (HDAB, cationic micelles/nanoparticles) and the counterion-induced HDAB micellar growth, in the presence of different amounts of poly(ethylene glycol he
Publikováno v:
Kinetics and Catalysis. 58:513-521
The expression of pseudo-second-order rate constants (k X) for cationic nanoparticle (CN) [CTABr/NaX/H2O, X = Br, Cl, CTABr = cetyltrimethylammonium bromide] catalyzed piperidinolysis-ionized phenyl salicylate (PSa–), at constant [CTABr]T, 0.1 M pi
Autor:
Zaira Zaman Chowdhury, Ruzaina Ishak, M. Niyaz Khan, Mohammad Hafiz Hamzah, Khalisanni Khalid, Maizatulnisa Othman, Muhammad Azri Mohd Noh, Esther Penney
Publikováno v:
Micron. 100:30-33
This paper discusses the unprecedented microscopic findings of micellar growth in colloidal system (CS) of catalyzed piperidinolysis of ionized phenyl salicylate (PS−). The giant vesicles (GV) was observed under the optical polarization microscope
Publikováno v:
Journal of Surfactants and Detergents. 20:1075-1084
The removal of PSa− from bulk aqueous phase to the pseudo-micellar phase by halobenzoate counterion X is responsible for the monotonic increase in kobs (pseudo first-order rate constants) with the increase in the values of [MX] where MX = sodium sa
Publikováno v:
Tenside Surfactants Detergents. 54:224-229
The interest to determine the ionization degree of counterion initiates the need to study the relationship between counterion binding constant (RX Br) and the growth of self-assembly micellar structure. This paper discussed the microscopic evidence f
Publikováno v:
Arabian Journal of Chemistry, Vol 10, Iss S2, Pp S2742-S2749 (2017)
A new semi-empirical kinetic (SEK) method has been used to calculate the values of KXBr or RXBr (X represents substituted iodobenzoates), with KX and KBr representing CTABr micellar binding constants of counterions X− (in the presence of either sph
Autor:
Sharifuddin M. Zain, Ibrahim Isah Fagge, Khalisanni Khalid, Muhammad Azri Mohd Noh, M. Niyaz Khan
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 423:365-370
This paper describes the determination of counterion binding constant, R X Br , and CNP (CTABr/MX/H 2 O)-catalyzed rate constants, k cat , for the reaction between piperidine and phenyl salicylate ion, PS − (where X = 2- and 4-propyl as well as 3,