Abstract

The refractivity of wild-type bacteriorhodopsin (bRWT) suspended in tris(hydroxymethyl)aminomethane (TRIS) buffer has been measured in the spectral range of 390840nm by the method of angle of minimal deviation with the use of a hollow glass prism. The refractive indices of pure bRWT as well as of TRIS buffer have been determined from the concentration dependent refraction values. Sellmeier-type dispersion equations have been fitted for both the TRIS buffer and pure bRWT.

© 2009 Optical Society of America

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