Results 51 to 60 of about 4,378,647 (283)

The RUBISCO to Photosystem II Ratio Limits the Maximum Photosynthetic Rate in Picocyanobacteria

open access: yesLife, 2015
Marine Synechococcus and Prochlorococcus are picocyanobacteria predominating in subtropical, oligotrophic marine environments, a niche predicted to expand with climate change.
Jackie K. Zorz   +5 more
doaj   +1 more source

Turbulent electron thermal transport in fusion plasmas [PDF]

open access: yes, 2008
textElectron heat transport at the scale of electron gyroradius are investigated via numerical simulation of a fluid model and a role of E x B shear flow with intermediate E x B shearing rate is explored in Euler's equation. The anomalous transport,
Kim, Juhyung, 1978-
core  

Spin-dependent transport of interacting electrons in mesoscopic systems [PDF]

open access: yes, 2007
Spin-dependent electronic transport properties of mesoscopic systems are studied using the nonequilibrium Green function formalism. In the first part we examine the influence of short-range electron-electron interactions on the conductance of quantum ...
Laßl, Andreas
core   +1 more source

Emerging experimental and computational methods for studying redox‐regulated structural transitions

open access: yesFEBS Letters, EarlyView.
Redox reactions can reshape proteins and alter how they behave in cells, with important consequences for health and disease. This review explores emerging experimental and computational approaches for discovering these redox‐sensitive protein switches, revealing their structural effects, and predicting their behavior, opening new opportunities to ...
Tasneem Rass   +2 more
wiley   +1 more source

Facile Synthesis of MnO2/graphene Electrode by Two-steps Electrodeposition for Energy Storage Application

open access: yesInternational Journal of Electrochemical Science, 2014
MnO2/graphene electrode was developed via anodic deposition of nanostructured MnO2 film on electrophoretically reduced graphene oxide (EPD-rGO) film. The electrodeposited MnO2, EPD-rGO and MnO2/EPD-rGO electrodes were characterized and investigated for ...
Sameh Hassan   +2 more
doaj   +1 more source

Structural and biochemical analysis of a B12 superbinder

open access: yesFEBS Letters, EarlyView.
BtuG proteins are vitamin B12 scavengers in Bacteroides thetaiotaomicron, a dominant human gut bacterium. We present crystal structures of three BtuG homologs bound to cobalamin and its precursor cobinamide, revealing picomolar binding affinities, among the highest known for any natural protein.
Jose M. Martinez Felices   +3 more
wiley   +1 more source

SlPGR5/SlPGRL1 pathway-dependent cyclic electron transport regulates photoprotection and chloroplast quality in tomato plants

open access: yesHorticultural Plant Journal
The essential photoprotective role of proton gradient regulation 5 (PGR5)-dependent cyclic electron flow (CEF) has been reported in Arabidopsis, rice, and algae. However, its functional assessment has not been performed in tomato yet.
Xiaolong Yang   +7 more
doaj   +1 more source

A Carbon-Based Antifouling Nano-Biosensing Interface for Label-Free POCT of HbA1c

open access: yesBiosensors, 2021
Electrochemical biosensing relies on electron transport on electrode surfaces. However, electrode inactivation and biofouling caused by a complex biological sample severely decrease the efficiency of electron transfer and the specificity of biosensing ...
Zhenhua Li   +4 more
doaj   +1 more source

Structures of mycobacterial 3‐methylcrotonyl‐CoA carboxylase reveal carrier‐domain translocation between catalytic sites

open access: yesFEBS Letters, EarlyView.
Mycobacterial 3‐methylcrotonyl‐CoA carboxylase uses a mobile biotin‐carrying domain to shuttle a carboxyl group between two catalytic sites, enabling carboxylation of 3‐methylcrotonyl‐CoA during leucine breakdown. Cryo‐electron microscopy captures the carrier at both sites and reveals an inward loop movement that may prevent futile rebinding to the ...
Ajit Yadav   +2 more
wiley   +1 more source

Insights into electrochemical behavior in laser-scribed electrochemical paper-based analytical devices

open access: yesElectrochemistry Communications, 2020
Laser-scribed electrochemical paper-based devices (LS-ePADs) are emerging as a greener alternative to conventional carbon electrochemical sensors since their fabrication does not involve the use of chemicals and the resulting devices show good ...
Nikola Tasić   +7 more
doaj   +1 more source

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