Experimental measurement of diffusion in aqueous polyvinylpyrrolidone solutions
β Scribed by Zoe A. Metaxiotou; Stavros G. Nychas
- Publisher
- American Institute of Chemical Engineers
- Year
- 1995
- Tongue
- English
- Weight
- 708 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0001-1541
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π SIMILAR VOLUMES
An inexpensive circuit designed for polarographic measurement of dissolved H, over a wide concentration range is described. Examples of its application to measurements of hydrogenase and nitrogenase activities are presented.
NMR diffusion measurements have been shown to be a useful tool for investigating the conformation and oligomeric state of proteins. Four main problems associated with making diffusion measurements of proteins in aqueous solution are identified and solutions proposed. The resulting experiment is demo
The properties of dilute solutions of polyvinylpyrrolidone (PVP) in aqueous salt solutions have been studied by measurements of intrinsic viscosity [v] in theta and nontheta solvents. Intrinsic viscosities of the polymer solutions were observed to decrease upon addition of a variety of inorganic sal