Room temperature XFEL crystallography reveals asymmetry in the vicinity of the two phylloquinones in photosystem I

SM Keable, A Kölsch, PS Simon, M Dasgupta… - Scientific reports, 2021 - nature.com
Abstract Photosystem I (PS I) has a symmetric structure with two highly similar branches of
pigments at the center that are involved in electron transfer, but shows very different …

[HTML][HTML] Tailor-made novel electrospun polystyrene/poly (d, l-lactide-co-glycolide) for oxidoreductases immobilization: Improvement of catalytic properties under …

K Jankowska, Z Su, SB Sigurdardóttir, M Staszak… - Bioorganic …, 2021 - Elsevier
Immobilized enzymes find applications in many areas such as pharmacy, medicine, food
production and environmental protection. However, protecting these biocatalysts against …

How aqueous solvation impacts the frequencies and intensities of infrared absorption bands in flavin: The quest for a suitable solvent model

DPN Le, G Hastings, S Gozem - Molecules, 2024 - mdpi.com
FTIR spectroscopy accompanied by quantum chemical simulations can reveal important
information about molecular structure and intermolecular interactions in the condensed …

Surpassing the Performance of Phenolate‐derived Ionic Liquids in CO2 Chemisorption by Harnessing the Robust Nature of Pyrazolonates

L Qiu, Y Fu, Z Yang, AC Johnson… - …, 2024 - Wiley Online Library
Superbase‐derived ionic liquids (SILs) are promising sorbents to tackle the carbon
challenge featured by tunable interaction strength with CO2 via structural engineering …

Ag Nanoparticles Supported on h-BN/BiPO4 Heterostructures as a Photocatalyst for the Degradation of Rhodamine B

Y Li, J Song, X Zhao, B Li, Z Wang, J Yang… - ACS Applied Nano …, 2024 - ACS Publications
With increasing environmental pollution, the utilization of green techniques, such as
photocatalysis, is required to degrade harmful sources without secondary pollution. In this …

Experimental and calculated infrared spectra of disubstituted naphthoquinones

N Agarwala, L Rohani, G Hastings - Spectrochimica Acta Part A: Molecular …, 2022 - Elsevier
In recent years there has been interest in incorporating substituted 1, 4-naphthoquinones
(NQs) into the A 1 binding site in photosystem I (PSI) photosynthetic protein complexes. This …

Reversible inhibition and reactivation of electron transfer in photosystem I

N Agarwala, H Makita, L Luo, W Xu… - Photosynthesis Research, 2020 - Springer
In photosystem I (PSI) complexes at room temperature electron transfer from A 1–to FX is an
order of magnitude faster on the B-branch compared to the A-branch. One factor that might …

Time-resolved FTIR difference spectroscopy for the study of quinones in the A1 binding site in photosystem I: Identification of neutral state quinone bands

H Makita, G Hastings - Biochimica et Biophysica Acta (BBA)-Bioenergetics, 2020 - Elsevier
Infrared absorption bands associated with the neutral state of quinones in the A 1 binding
site in photosystem I (PSI) have been difficult to identify in the past. This problem is …

Photobiological systems studied by time-resolved infrared spectroscopy (2015–2018)

A Mezzetti - 2019 - books.rsc.org
Time-resolved infrared (IR) spectroscopy is a well established technique for the study of
photobiological systems. In this review attention is focused on technical improvements …

Time-resolved FTIR difference spectroscopy for the study of photosystem I with high potential naphthoquinones incorporated into the A1 binding site

N Agarwala, H Makita, G Hastings - Biochimica et Biophysica Acta (BBA) …, 2023 - Elsevier
Time–resolved step-scan Fourier transform infrared difference spectroscopy has been used
to study cyanobacterial photosystem I photosynthetic reaction centers from Synechocystis …