Absorption and Fluorescence Spectral Database of Chlorophylls and Analogues. (11th November 2020)

• Record Type: Journal Article
• Authors: Taniguchi, Masahiko; Lindsey, Jonathan S.
• Is Part Of: Photochemistry and photobiology. Volume 97:Number 1(2021)
• Page Start: 136
• Page End: 165
• Publication Date: 2020-11-11
• Subjects: Photochemistry -- Periodicals; Light -- Physiological effect -- Periodicals; 541.35
• DOI: 10.1111/php.13319
• Languages: English
• ISSNs: 0031-8655

Abstract

Abstract: Absorption spectra and fluorescence spectra are essential for use across the photosciences, yet such spectra along with the all‐important values for molar absorption coefficient (ε) and fluorescence quantum yield (Φf ) often are found with great difficulty. Here, a literature survey concerning the vital class of chlorophyll compounds has led to identification of spectra for 150 members. Spectra in print form have been digitized (with baseline corrections) and assembled into a database along with literature references, solvent identity and values for ε and Φf (where available). The database encompasses photosynthetic tetrapyrroles wherein the chromophore is a porphyrin (e.g. chlorophyll c 1, protochlorophyll a ), chlorin (e.g. chlorophyll a, bacteriochlorophyll c ) or bacteriochlorin (e.g. bacteriochlorophyll a ). Altogether, the database contains 305 absorption spectra (from 19 porphyrins, 109 chlorins and 22 bacteriochlorins) and 72 fluorescence spectra (from 10 porphyrins, 30 chlorins and 4 bacteriochlorins). The spectral database should facilitate comparisons and quantitative calculations. All spectra are available in print form in the Supporting Information. The entire database in digital form is available with the PhotochemCAD program for free downloading and further use at http://www.photochemcad.com . Abstract : A database of 377 spectra of photosynthetic tetrapyrroles enables diverse comparisons and calculations.