Abstract

The refractive index of purple membranes in a water suspension has been measured refractometrically in the visible range of the spectrum. A region of anomalous dispersion has been found, due to a strong absorption by the retinal residue in bacteriorhodopsin macromolecules.

© 2010 Optical Society of America

Hyper-Rayleigh light scattering from an aqueous suspension of purple membrane

P. K. Schmidt and G. W. Rayfield
Appl. Opt. 33(19) 4286-4292 (1994)

Low temperature photoacoustic spectroscopy of the purple membrane of Halobacterium halobium

P. S. Bechthold, K.-D. Kohl, and W. Sperling
Appl. Opt. 21(1) 127-132 (1982)

Purple membrane-polyacrilamide films as holographic recording materials

A. Fimia, P. Acebal, A. Murciano, S. Blaya, L. Carretero, M. Ulibarrena, R. Aleman, M. Gomariz, and I. Meseguer
Opt. Express 11(25) 3438-3444 (2003)

Refractive index of dark-adapted bacteriorhodopsin and tris(hydroxymethyl)aminomethane buffer between 390 and 880 nm

Zsuzsanna Heiner and Károly Osvay
Appl. Opt. 48(23) 4610-4615 (2009)

Monitoring intermediate states of bacteriorhodopsin monolayers using near-field optical microscopy

Narasimhan Arun, Sabyasachi Mukhopadhyay, and K. S. Narayan
Appl. Opt. 49(7) 1131-1138 (2010)