Ultrafast laser spectroscopy uncovers mechanisms of light energy conversion in photosynthesis and sustainable energy materials

D Zigmantas, T Polívka, P Persson… - Chemical Physics …, 2022 - pubs.aip.org
The invention of the laser in 1960 gave us the ruby laser, which generally produced chaotic
pulses of light. Six years later, in 1966, a concept called passive mode-locking applied to …

Origin of energy dissipation in the oligomeric fucoxanthin-chlorophyll a/c binding proteins

M Zheng, C Zhou, W Wang, T Kuang… - The Journal of …, 2023 - ACS Publications
Fucoxanthin-chlorophyll proteins (FCPs) are a family of photosynthetic light-harvesting
complex (LHC) proteins found in diatoms. They efficiently capture photons and regulate their …

[HTML][HTML] Efficient light-harvesting using non-carbonyl carotenoids: Energy transfer dynamics in the VCP complex from Nannochloropsis oceanica

G Keşan, R Litvín, D Bína, M Durchan, V Šlouf… - … et Biophysica Acta (BBA …, 2016 - Elsevier
Violaxanthin–chlorophyll a protein (VCP) from Nannochloropsis oceanica is a Chl a-only
member of the LHC family of light-harvesting proteins. VCP binds carotenoids violaxanthin …

Quenching of chlorophyll triplet states by carotenoids in algal light-harvesting complexes related to fucoxanthin-chlorophyll protein

P Khoroshyy, D Bína, Z Gardian, R Litvín, J Alster… - Photosynthesis …, 2018 - Springer
We have used time-resolved absorption and fluorescence spectroscopy with nanosecond
resolution to study triplet energy transfer from chlorophylls to carotenoids in a protective …

Equilibration Dependence of Fucoxanthin S1 and ICT Signatures on Polarity, Proticity, and Temperature by Multipulse Femtosecond Absorption Spectroscopy

RG West, M Fuciman, H Staleva-Musto… - The Journal of …, 2018 - ACS Publications
To demonstrate the value of the multipulse method in revealing the nature of coupling
between excited states and explore the environmental dependencies of lowest excited …

[HTML][HTML] Pigment structure in the FCP-like light-harvesting complex from Chromera velia

MJ Llansola-Portoles, C Uragami, AA Pascal… - … et Biophysica Acta (BBA …, 2016 - Elsevier
Resonance Raman spectroscopy was used to evaluate pigment structure in the FCP-like
light-harvesting complex of Chromera velia (Chromera light-harvesting complex or CLH) …

Intramolecular charge-transfer state of carotenoids siphonaxanthin and siphonein: function of non-conjugated acyl-oxy group

H Staleva-Musto, V Kuznetsova, D Bína, R Litvín… - Photosynthesis …, 2020 - Springer
We used ultrafast transient absorption spectroscopy to study excited-state dynamics of two
keto-carotenoids, siphonaxanthin and siphonein. These two carotenoids differ in the …

Time‐Resolved Spectroelectrochemical Dynamics of Carotenoid 8'‐apo‐β‐Carotenal

G Keşan, E Özcan, P Chábera, T Polívka… - …, 2023 - Wiley Online Library
This work examines the influence of applied external voltage in bulk electrolysis on the
excited‐state properties of 8′‐apo‐β‐carotenal in acetonitrile by steady‐state and ultrafast …

Effect of isomerization on excited-state dynamics of carotenoid fucoxanthin

V Kuznetsova, P Chábera, R Litvín… - The Journal of …, 2017 - ACS Publications
Ultrafast transient absorption spectroscopy and single-wavelength anisotropy
measurements were used to study the effect of isomerization on the excited-state properties …

Nonconjugated acyloxy group deactivates the intramolecular charge-transfer state in the carotenoid fucoxanthin

H Staleva-Musto, V Kuznetsova, RG West… - The Journal of …, 2018 - ACS Publications
We used ultrafast transient absorption spectroscopy to study excited-state dynamics of the
keto-carotenoid fucoxanthin (Fx) and its two derivatives: 19′-butanoyloxyfucoxanthin (bFx) …