Ligand effects on the triplet state of chlorophyll

R. H. Clarke; S. Hotchandani; S. P. Jagannathan; R. M. Leblanc

doi:10.1016/0009-2614(82)83337-X

Ligand effects on the triplet state of chlorophyll

R. H. Clarke, S. Hotchandani, S. P. Jagannathan, R. M. Leblanc

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

Laser excitation at 457.9 and 514.5 nm of a frozen solution of chlorophyll a in n-octane produces two fluorescence peak maxima at 2 K that may be assigned to two distinct monomeric chlorophyll species. Utilizing zero-field fluorescence-detected magnetic resonance the triplet state properties of the two chlorophyll species may be assigned to the monoligated and biligated chlorophyll monomer in which water serves as the ligand coordinated to the magnesium metal center.

Original language	English (US)
Pages (from-to)	37-40
Number of pages	4
Journal	Chemical Physics Letters
Volume	89
Issue number	1
DOIs	https://doi.org/10.1016/0009-2614(82)83337-X
State	Published - Jun 4 1982
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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title = "Ligand effects on the triplet state of chlorophyll",

abstract = "Laser excitation at 457.9 and 514.5 nm of a frozen solution of chlorophyll a in n-octane produces two fluorescence peak maxima at 2 K that may be assigned to two distinct monomeric chlorophyll species. Utilizing zero-field fluorescence-detected magnetic resonance the triplet state properties of the two chlorophyll species may be assigned to the monoligated and biligated chlorophyll monomer in which water serves as the ligand coordinated to the magnesium metal center.",

author = "Clarke, {R. H.} and S. Hotchandani and Jagannathan, {S. P.} and Leblanc, {R. M.}",

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AU - Clarke, R. H.

AU - Hotchandani, S.

AU - Jagannathan, S. P.

AU - Leblanc, R. M.

PY - 1982/6/4

Y1 - 1982/6/4

N2 - Laser excitation at 457.9 and 514.5 nm of a frozen solution of chlorophyll a in n-octane produces two fluorescence peak maxima at 2 K that may be assigned to two distinct monomeric chlorophyll species. Utilizing zero-field fluorescence-detected magnetic resonance the triplet state properties of the two chlorophyll species may be assigned to the monoligated and biligated chlorophyll monomer in which water serves as the ligand coordinated to the magnesium metal center.

AB - Laser excitation at 457.9 and 514.5 nm of a frozen solution of chlorophyll a in n-octane produces two fluorescence peak maxima at 2 K that may be assigned to two distinct monomeric chlorophyll species. Utilizing zero-field fluorescence-detected magnetic resonance the triplet state properties of the two chlorophyll species may be assigned to the monoligated and biligated chlorophyll monomer in which water serves as the ligand coordinated to the magnesium metal center.

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