Sentences with phrase «for electron transfer»

Not exact matches

Even the fact that at the lower end the holons dissolve «in the indeterminacy of the Janus - faced electron» (above, p. 65) does not overcome the threat of reductionism to human freedom; for Koestler knows that the «indeterminacy of the micro-level can not be transferred....

«Strings of electron - carrying proteins may hold the secret to «electric bacteria»: The nanowire structure and electron transfer process of a unique bacterium could provide a foundation for sustainable energy.»

A beam of electrons was first observed to be accelerated with a «gradient» — or energy transfer rate — of 300 MV / m, which is very high for present - day accelerators, in a device rather like a microchip.

For every lithium ion transferred, one electron is also transferred, producing electric current.

The free electrons in both BP and gold nanoparticles are then transferred into the LTO semiconductor, where they act as an electric current for water splitting.

In contrast, the coordinated, marching - band - like motion of electrons in vanadium dioxide is detrimental to heat transfer as there are fewer configurations available for the electrons to hop randomly between.»

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.

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.

Modern electronics is based on the use of electrons as information carriers, but they have ceased to meet the contemporary requirements: standard electrical copper wires and channels on chips can not transfer information with speeds sufficient for modern microprocessors.

Thermoelectric cooling is a solid - state refrigeration process where the heat in an electrically conductive material is transferred using the material's own conduction electrons without any need for the gaseous coolants, such as chlorofluorocarbons, that are used in conventional refrigeration.

«Factor in a femtosecond charge transfer rate and MX2 semiconductors provide an ideal way to spatially separate electrons and holes for electrical collection and utilization.»

Evidence for photoinduced electron transfer from the excited state of a conducting polymer onto buckminsterfullerene, C60, is reported.

In this chapter she describes models for oxygen carriers, electron - transfer proteins, rubredoxins, various enzymes and others, and how they might help the chemist to understand better the role of iron in nature.

«Microbes use conductive minerals as electric wires for transferring electrons between each other,» says microbiologist Kazuya Watanabe of the Tokyo University of Pharmacy and Life Sciences, part of the team that performed the research.

«The direct growth of anchored MoSoy nanocrystals on graphene sheets may enhance the formation of strongly coupled hybrid materials with intimate, seamless electron transfer pathways, thus accelerating the electron transfer rate for the chemical desorption of hydrogen from the catalyst, further reducing the energy required for the reaction to take place,» Sasaki said.

A microscopic method for simulating quantum mechanical, nuclear tunneling effects in biological electron transfer reactions is presented and applied to several electron transfer steps in photosynthetic bacterial reaction centers.

Low temperature plasmas are one of the best media for CO2 decomposition — the split - up of the molecule into oxygen and carbon monoxide — both by direct electron impact, and by transferring electron energy into vibrational excitation.»

Bengt Nordéns contribution to form a strong research school in Gothenburg has been successful: as many as 12 out of his about 50 former PhD students and postdocs have become professors, abroad or at other Swedish universities, and three have returned to contribute a forceful environment with their own profiles within the Department: Prof Bo Albinsson (femtosecond spectroscopy and fundamentals of electron transfer), Prof Per Lincoln (new transition - metal - based DNA ligands and statistical mechanics for gene targeting), Prof Björn Åkerman (fundamentals and applications of DNA physical chemistry).

For example, wires with Majoranas at either end can be used to transfer information between far away quantum bits that rely on the spin of electrons.

This last property is of interest for the development of new magnetic memory devices, because the spin of the electron can be used to store and transfer information.

Flavoprotein (FP) subunit of succinate dehydrogenase (SDH) that is involved in complex II of the mitochondrial electron transport chain and is responsible for transferring electrons from succinate to ubiquinone (coenzyme Q).

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

Dr. El - Naggar has increased our understanding of electron transfer focusing on bacterial nanowires, and is working to develop new nanomaterials and tools for energy conversion.

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.

Batteries with multivalent cathodes (which have multiple electrons per mobile ion available for charge transfer) are promising candidates for reducing cost and achieving higher energy density than that available with current lithium - ion technology.

Necessary inputs include equilibrium potentials, exchange current densities and transfer coefficients for the various interfacial reactions; dielectric properties of electrolytes and electrodes; mobilities of ions and electrons / holes in electrodes and electrolytes; and reaction rate constants of bulk processes (e.g., electron / hole recombination).

Dr. Rosso's current projects include the following: (1) characterizing the kinetics and mechanisms of elementary charge and ion transport processes in redox transformation of iron oxide minerals, (2) predicting molecular - scale electron transfer kinetics in microbially - mediated reduction of bioavailable iron in subsurface environments, (3) studying mechanisms of heterogeneous reduction of contaminant U (VI) and Tc (VII) by Fe (II)- bearing minerals, (4) simulation of coupled charge and ion transport in transition metal oxide electrodes for advanced materials applications, (5) probing mechanisms and kinetics of mineral transformation to metal carbonates for geological carbon sequestration, and (6) studying mechanisms of uptake and retention of uranium in sediments.

This work has extended to the establishment of capabilities in characterization to preclude exposure of specimens to reactive environments through bulk electropolishing and specimen transfer via portable glove box systems for detailed electron backscattering diffraction (EBSD) analyses, which are highly dependent upon specimen surface quality.

For fundamental research the key questions are related to the energetics and kinetics of electron transfer processes at interfaces.

You will also need scissors for cutting of the ghosts and a dowel or pencil to rub the ghost transferring the electrons to it.

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.

Thousands of times thinner than a human hair, they're highly conductive and feature a large surface area for the storage and transfer of electrons.