Journal
BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS
Volume 1556, Issue 2-3, Pages 89-91Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0005-2728(02)00357-2
Keywords
chlorophyll d; Acaryochloris marina; Raman spectrum; vibration
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The Raman spectroscopy of chlorophyll (Chl) d isolated from Acaryochloris marina has been measured in the range of 250-3200 cm(-1) at 77 K. following excitation of its B-x band at 488 nm. A peak at 1659 cm(-1) of medium intensity arising from C = O stretching vibration in the formyl group 3(1) specific to Chl d was observed clearly. Peaks due to other C = O stretching vibrations of the 13(1), keto-, 13(3) ester- and 17(3) groups have also been observed with much weaker intensities. Intense Raman peaks in the range of 1000-1800 cm(-1) are reported and homologous comparison with corresponding Raman shifts of Chl a, Chl b and BChl a are presented. (C) 2002 Elsevier Science B.V. All rights reserved.
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