Sentences with phrase «of electron transport»

One cause of this energy loss is a breakdown in the efficiency of the electron transport chain, the main pathway through which we extract energy from food (and of which NAD + is an essential component).23, 38 Disorders ranging from obesity and diabetes to bone loss have been associated with loss of this vital pathway.38, 39

Electron microscopy shows dose dependent mitochondrial changes that are indicative of uncoupling of oxidative phosphorylation or inhibition of electron transport.

Electron microscopy showed mitochondrial damage following NSAID (indomethacin) compatible with uncoupling of oxidative phosphorylation and inhibition of electron transport.

Electron microscopy showed dose dependent mitochondrial changes following indomethacin administration consistent with uncoupling of oxidative phosphorylation (or inhibition of electron transport) which were indistinguishable from those seen with the uncoupler dinitrophenol.

Morley Robbins: Well, people who have energy problems — fibromyalgia, chronic fatigue, adrenal fatigue — the likely culprit is a key enzyme that's part of the electron transport chain, which is what's taking place inside those energy furnaces, the mitochondria.

«These experiments provide a deeper understanding of the fundamental physics of electron transport, while laying the groundwork for technological advances at the nanometer scale,» she said.

The mutations that underlie the mitochondriopathies Myoclonic Epilepsy with Ragged Red Fibers (MERRF) and some variants of Mitochondrial Encephalomyopathy, Lactic Acidosis, and Strokelike Episodes (MELAS) create defective versions of particular mitochondrial amino acid tRNAs, leading to inefficient translation of electron transport system (ETS) subunit proteins.

The combination of the high electron density and potent electron interactions are not seen in other materials and the quantum regime enforced by the tight passageway, might here be engendering some new kind of electron transport.

Columbia researchers have uncovered new roles for proteins of the electron transport chain that implicate them in utilization of phenazines.

The team tested whether overexpression of PGC1 - alpha could protect cultures of rat brain cells from the pesticide rotenone, which inhibits complex I of the electron transport chain in neuronal mitochondria and produces many symptoms similar to those of Parkinson's.

Not exact matches

Impact of pre-plasma on fast electron generation and transport from short pulse, high intensity lasers

Simulation of laser - plasma interactions and fast - electron transport in inhomogeneous plasma

Studies on the transport of high intensity laser - generated hot electrons in cone coupled wire targets

Laser - driven cylindrical compression of targets for fast electron transport study in warm and dense plasmas

In a neck - and - neck race with their competitors, they showed that quantum information of an electron spin can be transported to a photon, in a silicon quantum chip.

But in 2013, a research scientist in El - Naggar's laboratory, Sahand Pirbadian, discovered that these projections, referred to as «nanowires,» were actually extensions of the cell membrane covered in cytochromes — proteins containing iron that facilitate electron transport.

These include more sensitive mass spectrometry for detecting, identifying and quantifying protein molecules, electron microscopy for visualizing an assortment of components of the nano - machine that transports toxins, and fluorescence confocal microscopy, which can label proteins with light emitting dyes.

They found that the electron transport chain so critical to the conversion of electrons to energy can and is operating deep down in the oxygen - deprived biofilm and that in these environments, the bacterium depends on a specific part of the chain's terminal oxidase — a protein called CcoN4 — to access oxygen and grow normally.

Using computer simulations, they modeled the response of the plasma confined in loops to the energy transported by energetic electrons.

Visual props can help: Amy Rice Doetsch, who's on the biology faculty at the College of Southern Idaho (CSI) in Twin Falls, uses superballs to represent protons and tennis balls to represent electrons when describing electron transport in cells.

Inside, it will enter the final stage of its journey: a series of reactions known as the electron transport chain.

Nielsen believes the secret is a bacterial pulley system of sorts: Oxygen - processing bacteria at the top connect to digestive microbes below via long protein threads that transport electrons.

Researchers were surprised to find that sandwiching together two layers of some insulating oxides can generate conducting electrons that behave like a gas or liquid near the interface between the oxides and can transport information.

If the acceleration of these electrons was occurring due to radial transport, one would measure effects starting first far from Earth and moving inward due to the very shape and strength of the surrounding fields.

«The electrons are transported through the second component of the ceramic and ensure that charge equalization occurs.»

The components of the hydrogen — protons and electrons — are thus transported individually through the membrane.

The breakthrough, described in the Journal of the American Chemical Society and featured as ACS Editors» Choice for open access, addresses a decades - long challenge for electron - transport conducting polymers, said Yan Yao, assistant professor of electrical and computer engineering at the UH Cullen College of Engineering and lead author of the paper.

Electron transport in graphene is described by a Dirac - like equation, which allows the investigation of relativistic quantum phenomena in a benchtop experiment.

Researchers at the University of Houston have reported developing an efficient conductive electron - transporting polymer, a long - missing puzzle piece that will allow ultrafast battery applications.

Researchers have long recognized the promise of functional organic polymers, but until now have not been successful in developing an efficient electron - transport conducting polymer to pair with the established hole - transporting polymers.

«Organic - conjugated polymers are emerging as a materials class for energy - related applications, enabling a path to a more sustainable energy landscape without the need of energy - intensive, expensive and sometimes toxic metal - based compounds,» the researchers wrote, concluding that «a model polymer, P (NDI2OD - T2), was stably and reversibly n - doped to a high doping level of 2.0, a significant progress for electron - transporting π - conjugated polymers.

In our current electronic equipment, information is transported via the motion of electrons.

The irregular nature of the grain boundary produces hundreds of electron - transport gaps with different sensitivities.

«First, it makes it easier to separate the issues of the transport of electrons through the shell versus their formation in the core.

Illumination of a GBN heterostructure even with just an incandescent lamp can modify electron - transport in the graphene layer by inducing a positive - charge distribution in the boron nitride layer that becomes fixed when the illumination is turned off.

First, the hole blocking layer was sandwiched between layers of Liq with thicknesses of 3 nm on the emitter side and 2 nm on the electron transport side.

The transport of these electrons as a current can be encouraged or discouraged by a voltage applied to an overlying electrostatic gate, pretty much the same arrangement used to move currents through field - effect - transistors (FETs), one of the universal components of myriad electronic devices.

The scientists explored different architectures of perovskite cells, preparing them under identical conditions using metal - oxide electron transport layers (ETL) such as TiO2 and SnO2.

(Clips from «Shewanella oneidensis MR - 1 nanowires are outer membrane and periplasmic extensions of the extracellular electron transport components,» El - Naggar et al., PNAS 2014)

Gallium arsenide is a technologically important narrow - band - gap semiconductor, in which the excitation of electrons from the valence into the conduction band produces charge carriers that can transport electrical current through electronics components.

Using simulations, the authors found that what determines the ability of polarons to transport energy is partly linked to the degree of symmetry of the electron interaction with the lattice.

«Improved model of energy highway along protein strands: Lessons from self - trapped electrons in crystal lattice offer better predictive power for transport model.»

Even when studying agriculture in South Africa, he had been attracted by the science of crop protection, and his Ph.D. research on electron transport in photosynthesis was highly relevant to the industry: «Herbicides are specifically developed to work against the photosynthetic apparatus,» he explains.

«If Earth's core consisted only of iron, the free electrons in the iron could handle the heat transport by themselves, without the need for any convection currents,» says Karsten Held.

HPCWire.com posted a story mentioning that PPPL was part of a team involved in determining whether electron energy transport in a tokamak plasma discharge is multiscale in nature.

Once at the interface, the team can study how the active molecules change the transport of electrons, increasing capacity or depleting it, for example.

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).

The quality of low temperature electron transport layers developed was important in achieving not only strong outputs for PV cells under standard test conditions (PCE = 14.8 %) but particularly under low intensity indoor illumination (MPD = 19.2 μW / cm2, PCE = 13.3 %).

The British Antarctic Survey (BAS) has a 3 year, fixed term appointment available as part of a NERC funded project: Modelling the acceleration, transport and loss of radiation belt electrons to protect satellites from space weather (Rad - Sat).

materials characterization by atomic force scanning probe and electron microscopy, spectrophotometry, custom apparatus for measurement of electrical and thermal transport properties (superconductors) at low temperatures