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21.
UV-vis spectra, fluorescence emission spectra, cyclic voltammetric and electron spin resonance are employed to study the location
of rutin in cetyltrimethylammonium bromide (CTAB) micelles with different microstructures and microenvironments, and to gain
information about the antioxidant capacity (hydroxyl radical scavenge activity) of rutin in CTAB micelles. Rutin molecules
can be partly solubilized in CTAB spherical micelles through electrostatic attraction and hydrophobic force, which leads to
the bathochromic shift of absorption spectra, decrease of the microenvironment polarity of pyrene and the hydroxyl radical
scavenge activity. However, CTAB rod-like micelles congregate rutin molecules on their surfaces, which results in the hypochromic
shift of absorption spectra compared to the spectrum in CTAB spherical micelles and also heightens the antioxidant capacity
of rutin.
Correspondence: Rong Guo, School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, P.R. China 相似文献
22.
Rajneesh Kumar Mahabir Barak 《应用数学和力学(英文版)》2007,28(3):337-337
The present study is concerned with the reflection and transmission of plane waves at an interface between homogenous invisicid liquid half space and a micropolar liquid-saturated porous solid half space. The reflection and transmission coefficients of various reflected and transmitted waves with the angle of incident have been obtained. Numerical calculation has been performed for amplitude ratios of various reflected and transmitted waves. Micropolarity and porosity effects on the reflection and transmission coefficients have been depicted graphically. Some particular cases have been deduced from the present formulation. 相似文献