Sentences with phrase «electron transfer»
"Electron transfer" refers to the movement of an electron from one atom or molecule to another. It is the process through which electrons are exchanged between particles, creating a flow of electric charge. Full definition
He extended this work to begin looking at electron transfer across protein - protein interfaces.
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The contribution to the total current from individual electron transfer steps is also shown.
Vedral notes that failure in electron transfer in mitochondria has been linked to Parkinson's disease and to some cancers.
Why it matters: Electron transfer by MtrC, an outer membrane cytochrome on S. oneidensis, can stabilize contaminants, mitigating their impact on the population and environment.
Bazant says researchers had not suspected, despite extensive research on lithium iron phosphate, that the material's electrochemical reactions might be limited by electron transfer between two solids.
In addition to binding, they also detected direct electron transfer from OmcA to the hematite.
Researchers will now have a better sense of what is happening at the catalyst surface and an appreciation for the role of proton and electron transfer processes in this chemistry.
Technical details of these research topics focus on light - induced electron transfer reactions, both at surfaces and in transition - metal complexes, surface chemistry and photochemistry of semiconductor / liquid interfaces, novel uses of conducting organic polymers and polymer / conductor composites, and development of sensor arrays that use pattern recognition algorithms to identify odorants, mimicking the mammalian olfaction process.
As both an «electrograph» (meaning it can undergo direct electron transfers from an electrode), and an «acetogen» (meaning it can direct nearly 90 - percent of its photosynthetic products towards acetic acid), M. thermoacetica serves as the ideal model organism for demonstrating the capabilities of this hybrid artificial photosynthesis system.
Ultrafast absorption spectroscopy reveals a change in mechanism when sites for electron transfer become more distant.
This award is in recognition of his accomplishments that include seminal and novel theoretical advancements in understanding electron transfer reactions at environmental interfaces and their impact on the field of geochemistry.
«Neighbors move electrons jointly: Ultrafast collective electron transfer after excitation of single electron.»
«We have shown that carbon nanotubes promote the conversion of light energy into electron transfer within the chloroplasts,» Giraldo explains.
Discovery of Novel Antimicrobial Peptides from Varanus komodoensis (Komodo dragon) by Large Scale Analyses and De Novo - Assisted Sequencing using Electron Transfer Dissociation Mass Spectrometry.
Pulse electromagnetic fields enhance extracellular electron transfer in magnetic bioelectrochemical systems — Huihui Zhou — Biotechnology for Biofuels
It couples electron transfer from NADH to ubiquinone with proton translocation across the inner mitochondrial membrane and is involved in a wide range of human neurodegenerative disorders.
The simulations, based on the crystallographic structure of the reaction center from Rhodopseudomonas viridis, focus on electron transfer from a bacteriopheophytin to a quinone and the subsequent back - reaction.
The mechanism by which this ultrafast charge redistribution proceeds, proposed theoretically by research team member Lorenz Cederbaum, has been named the «Electron Transfer Mediated Decay» (ETMD).
In addition, the tubes allow easier electron transfer, which improves biofuel cell performance.
For the power cord, they used bacterial and plant ferredoxin, an iron and sulfur protein that brings about electron transfer in a number of reactions.
Evidence for photoinduced electron transfer from the excited state of a conducting polymer onto buckminsterfullerene, C60, is reported.
They dubbed this transfer via microbial nanowire «direct interspecies electron transfer,» or DIET.
Biochemist Liang Shi of Pacific Northwest National Laboratory said: «We developed a unique system so we could mimic electron transfer like it happens in cells.
Computational studies by the team's theoreticians showed that the dipeptide in the meta position was more compact, making electron transfer faster, because of the smaller energy associated with the necessary twist in the scaffolding, or the ability to get closer to the electrode.
A New Fluorescent Probe for Protein Interactions More Proof of Outer Membrane Cytochrome Role in Electron Transfer Scientists Show How Bacteria Move Electrons Across a Membrane
Because they can now follow transient species formed as a result of electron transfer among communities in real time, Yu and her team are using this approach to study how microbial communities communicate with one another.
He received a B.S. degree in chemistry from Pennsylvania State University and a Ph.D. degree in chemistry from the California Institute of Technology, where he studied biological electron transfer with Harry Gray.
Crane continued this work after graduate school in a fellowship at California Institute of Technology, where he combined his background in crystallography with spectroscopic methods and also learned how to use photochemical techniques to initiate electron transfer reactions.
Their paper, titled «Independent initiation of primary electron transfer in the two branches of the photosystem I reaction center,» appears in this week's online Early Edition of the Proceedings of the National Academy of Sciences (PNAS).
Called «single electron transfer - living radical polymerization,» the new method allows large molecules to be crafted very quickly.
This new information contributes to understanding protein stability and electron transfer between cells and minerals, which is important for applications in synthetic biology such as biofuel production.
[2] Photo - induced regeneration of hormones by electron transfer processes: Potential biological and medical consequences.
«Strong and frequent collisions of the oxygen ions induce electron transfer to neighboring empty cages.
Applying femtosecond x-ray methods, researchers at the Max - Born - Institute in Berlin (Germany) and the Ecole Polytechnique Federale de Lausanne (Switzerland) observed an extremely fast, collective electron transfer of ~ 100 molecular ions after excitation of a single electron in a crystal of transition metal complexes.
His work and role as director of the Biological Electron Transfer and Catalysis Energy Frontier Research Center, funded by DOE's Office of Science, Basic Energy Sciences, have led him to close collaborations at PNNL.
Han, H. and Pappin, D. J. and Ross, P. L. and McLuckey, S. A. (2008) Electron transfer dissociation of iTRAQ labeled peptide ions.
This interface impacts areas as diverse as prolonging lithium - ion battery life, designing catalytic reactions that can convert biomass to biofuels, and extracellular electron transfer in microbial communities where bacteria catalyze electrode surfaces and shuttle electrons externally, as in a microbial fuel cell.
A world leader in theoretical and computational chemistry, Hammes - Schiffer created a general theoretical formulation for proton - coupled electron transfer reactions that elucidates how protons behave in reactions.
If we understand electron transfer, we can learn how bacteria controls the carbon cycle,» said Shi.
He decided to investigate how photochemistry and electron transfer reactions influence two biological sensory systems: light - sensitive circadian clocks and redox - sensitive bacterial chemotaxis.
Source: «High - affinity binding and direct electron transfer to solid metals by the Shewanella oneidensis MR - 1 outer membrane c - type cytochrome OmcA.»
It consists of electron transfer to the originally ionized Ne atom matched by energy transfer away from the Ne, which leads to ionization of the second Kr atom nearby.