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Effect of SDS Micelles on Rhodamine-B Diffusion in Hydrogels

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Bert O. Haglund

University of Missouri - Kansas City, School of Pharmacy, Kansas City, Missouri

Lars-Olof Sundelöf

Uppsala University, Department of Physical Pharmaceutical Chemistry, Uppsala, Sweden

Sathyanarayana M. Upadrashta

Bristol-Myers Squibb Company, Evansville, IN 47721

Dale Eric Wurster

Univerity of Iowa, College of Pharmacy, Iowa City, IA 52242

J. Chem. Educ., 1996, 73 (9), p 889

DOI: 10.1021/ed073p889

Publication Date (Web): September 1, 1996

Abstract

This paper discusses the effect SDS micelles have on Rhodamine-B diffusion in hydrogels. Diffusion cells where a solvent is sheared in place over a solution of diffusant have been designed and used with viscous solutions and are also used here with some modifications. The concentration of SDS is varied and the diffusion rate of Rhodamine-B is monitored in the cells.

Keywords (Audience):

Upper-Division Undergraduate

Keywords (Domain):

Laboratory Instruction

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Transport Properties

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This article has been cited by 2 ACS Journal articles (2 most recent appear below).

Effects of Arginine and Other Solution Additives on the Self-Association of Different Surfactants: An Investigation at Single-Molecule Resolution
Shubhasis Haldar and Krishnananda Chattopadhyay
Langmuir2011 Article ASAP
- Effects of Arginine and Other Solution Additives on the Self-Association of Different Surfactants: An Investigation at Single-Molecule Resolution
  Shubhasis Haldar and Krishnananda Chattopadhyay
  Langmuir2011 Article ASAP
  Fluorescence correlation spectroscopy is used to monitor the self-association of SDS and DTAB monomers at single-molecule resolution. Tetramethylrhodamine-5-maleimide (TMR) has been chosen as a probe because rhodamine dyes have been shown to bind ...
  Abstract | Full Text HTML | Hi-Res PDF | PDF w/ Links
Micelles in the Physical Chemistry Laboratory: Diffusion Coefficients and Half-Wave Potentials of Ferrocene
Kathryn R. Williams and Roberto Bravo
Journal of Chemical Education2000 77 (3), 392
- Micelles in the Physical Chemistry Laboratory: Diffusion Coefficients and Half-Wave Potentials of Ferrocene
  Kathryn R. Williams and Roberto Bravo
  Journal of Chemical Education2000 77 (3), 392
  In a new experiment for the physical chemistry laboratory, cyclic voltammetry and chronocoulometry are used to measure the diffusion coefficients and half-wave potentials for ferrocene (Fc) in three micellar media (dodecyltrimethylammonium bromide, ...
  Abstract | Hi-Res PDF | PDF w/ Links