Vibrational properties of several synthetic heme models studied by Raman-related techniques

Xiao-Yuan Li; L. A. Lipscomb; Chi Kwong Chang; Nai-Teng Yu

doi:10.1117/12.146133

17 June 1993 Vibrational properties of several synthetic heme models studied by Raman-related techniques

Xiao-Yuan Li, L. A. Lipscomb, Chi Kwong Chang, Nai-Teng Yu

Proceedings Volume 1921, Laser Spectroscopy of Biomolecules; (1993) https://doi.org/10.1117/12.146133
Event: Laser Spectroscopy of Biomolecules: 4th International Conference on Laser Applications in Life Sciences, 1992, Jyvaskyla, Finland

Abstract

Our interest in the compounds lies in their special optical properties which distinguish themselves from typical metalloporphyrins such as heme and alkyl- or aryl-substituted synthetic porphyrins, e.g. octaethylporphyrin (OEP) or tetraphenylporphyrins (TPP). The compounds studied show blue-shifted weak Soret absorption in the near UV, but red-shifted STRONG Q band in the visible region. Resonance Raman spectra with excitations near Q absorption band display quite different enhancement pattern from those observed for the typical heme and model compounds (MOEP and MTPP).

Citation Download Citation

Xiao-Yuan Li, L. A. Lipscomb, Chi Kwong Chang, and Nai-Teng Yu "Vibrational properties of several synthetic heme models studied by Raman-related techniques", Proc. SPIE 1921, Laser Spectroscopy of Biomolecules, (17 June 1993); https://doi.org/10.1117/12.146133

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