Ajaya Bhattarai
Tribhuvan University, Nepal.
Title: Size and Diffusion Phenomena of Cetyltrimethylammonium bromide /alcohol/water system in the presence of Thymidine by Dynamic Light Scattering
Biography
Biography: Ajaya Bhattarai
Abstract
In this paper precise measurements of Dynamic Light Scattering (DLS) of the effects of temperature, solvents (alcohols), water on the size and diffusion of CTAB reversed micelles in the thymidine/ CTAB/alcohol/ water system are reported. The concentrations of CTAB were varied from 0.051 to 0.28 mol/L. Thymidine concentration in during auto-correlation function registration was the same in each solvent 0.001 mol/L. Water concentration in the studied systems was defined by R parameter according to relation: R=[H2O]/[CTAB]. DLS measurements were done at 298.15 and 308.15K. DLS experiment involved on detection two relaxation modes (fast and slow) in the systems containing CTAB reversed micelles, water, thymidine and solvents (methanol and Butanol). The DLS data clearly show the solvent influence as well as thymidine presence on CTAB reversed micelles size and consequently their diffusion coefficients.