Astaxanthin: past, present, and future
Y Nishida, PC Berg, B Shakersain, K Hecht… - Marine Drugs, 2023 - mdpi.com
Astaxanthin (AX), a lipid-soluble pigment belonging to the xanthophyll carotenoids family,
has recently garnered significant attention due to its unique physical properties, biochemical …
has recently garnered significant attention due to its unique physical properties, biochemical …
Challenges facing an understanding of the nature of low-energy excited states in photosynthesis
While the majority of the photochemical states and pathways related to the biological
capture of solar energy are now well understood and provide paradigms for artificial device …
capture of solar energy are now well understood and provide paradigms for artificial device …
High-yield singlet fission in a zeaxanthin aggregate observed by picosecond resonance Raman spectroscopy
C Wang, MJ Tauber - Journal of the American Chemical Society, 2010 - ACS Publications
We report high-yield triplet generation by singlet fission upon photoexcitation of a new
aggregate of the carotenoid all-trans 3 R, 3′ R-zeaxanthin. The yield is determined by …
aggregate of the carotenoid all-trans 3 R, 3′ R-zeaxanthin. The yield is determined by …
Highly stabilized β-carotene in carbon nanotubes
The encapsulation and stability of beta-Carotene in single-walled carbon nanotubes
(SWCNT) were investigated. Three types of SWCNTs were prepared by laser vaporization of …
(SWCNT) were investigated. Three types of SWCNTs were prepared by laser vaporization of …
Singlet excited states and the light‐harvesting function of carotenoids in bacterial photosynthesis
Y Koyama, M Kuki, PO Andersson… - Photochemistry and …, 1996 - Wiley Online Library
The recent results of stationary‐state and time‐resolved absorption, fluorescence and
Raman spectroscopies of some typical carotenoids are summarized. Theoretical analyses of …
Raman spectroscopies of some typical carotenoids are summarized. Theoretical analyses of …
Cis− trans isomerizations of β-carotene and lycopene: A theoretical study
WH Guo, CY Tu, CH Hu - The Journal of Physical Chemistry B, 2008 - ACS Publications
The all-trans to mono-cis isomerizations of polyenes and two C40H56 carotenes, β-carotene
and lycopene, at the ground singlet (S0) and triplet (T1) states are studied by means of …
and lycopene, at the ground singlet (S0) and triplet (T1) states are studied by means of …
Triplet-sensitized and thermal isomerization of all-trans, 7-cis, 9-cis, 13-cis and 15-cis isomers of. beta.-carotene: configurational dependence of the quantum yield of …
M Kuki, Y Koyama, H Nagae - The Journal of Physical Chemistry, 1991 - ACS Publications
Carotenoids (Car) in photosynthetic systems have dual functions of photoprotection and light-
harvesting, 1 2" 3 45678910and natural selection of carotenoid configurations, in relation to …
harvesting, 1 2" 3 45678910and natural selection of carotenoid configurations, in relation to …
[PDF][PDF] Triplet excitons of carotenoids formed by singlet fission in a membrane
Singlet fission is a spin-allowed process whereby a singlet excited state forms a pair of triplet
excitons. The potential advantage of singlet fission for photovoltaics has stimulated a revival …
excitons. The potential advantage of singlet fission for photovoltaics has stimulated a revival …
Biochemical and biophysical characterization of photosystem I from phytoene desaturase and ζ-carotene desaturase deletion mutants of Synechocystis sp. PCC 6803 …
JA Bautista, F Rappaport, M Guergova-Kuras… - Journal of Biological …, 2005 - ASBMB
In photosystem I, oxidation of reduced acceptor A 1–through iron-sulfur cluster FX is
biphasic with half-times of∼ 5–30 ns (" fast" phase) and∼ 150–300 ns (" slow" phase) …
biphasic with half-times of∼ 5–30 ns (" fast" phase) and∼ 150–300 ns (" slow" phase) …
Molecular adaptation of photoprotection: triplet states in light-harvesting proteins
The photosynthetic light-harvesting systems of purple bacteria and plants both utilize
specific carotenoids as quenchers of the harmful (bacterio) chlorophyll triplet states via triplet …
specific carotenoids as quenchers of the harmful (bacterio) chlorophyll triplet states via triplet …