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Science 21 November 1980:
Vol. 210. no. 4472, pp. 918 - 920
DOI: 10.1126/science.7434007
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Articles

Science, Vol 210, Issue 4472, 918-920
Copyright © 1980 by American Association for the Advancement of Science

articles

Fourier-transformed infrared photoacoustic spectroscopy of biological materials

MG Rockley, DM Davis, and HH Richardson

A new technique for measuring the infrared spectra of solids has been developed. The photoacoustic spectra of hemin, hemoglobin, protoporphyrin IX, and horseradish peroxidase show how this technique can be used to obtain structural information about biological materials which cannot readily be studied by normal transmission infrared spectroscopy. The method requires milligram quantities of material and involves no sample preparation.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)