Sentences with phrase «of ion transport»

Positive effects where ROS mediate functions of normal cell metabolism include the induction of host defence genes and mobilisation of ion transport systems, and roles in redox signaling.

They discovered a unique «double - barreled» architecture that contains two pathways through which fluoride ions flow, representing a new mechanism of ion transport.

Not exact matches

When this water, called submarine groundwater discharge (SGD), trickles through contaminated soil and rock, it can pick up and transport a variety of ions, nutrients, and chemicals to the sea — including pollutants that contribute to coastal dead zones and toxic algal blooms.

«Synthetic proteins help solve structure of the fluoride ion channel: Unexpected double - barreled «channsporter» structure suggests new mechanism for ion transport.»

«Our new finding is a direct link that ions from Earth's atmosphere are transported to the moon,» where they could remain in the lunar soils for billions of years, Terada says.

A protein that transports the simple chemical choline plays a major role in vesicle trafficking, ion homeostasis, and growth and development in plants, according to two new studies publishing 28 December in the open - access journal PLOS Biology, by Dai - Yin Chao of the Shanghai Institutes for Biological Sciences, China, and Sheng Luan of the University of California, Berkeley, USA, and co-workers.

University of Tokyo researchers have discovered the structure and transport properties of the «intermediate state» in lithium - ion batteries — key to understanding the mechanisms of charge and discharge in rechargeable batteries.

This small protein molecule contains a loop which fits, like a key in a lock, into the ion channel proteins found on nerve cell membranes, which are used to transport sodium and potassium ions in and out of the cell.

The transport protein contains an ion binding site located at the center of the membrane that is composed of conserved amino acids.

For example, ATP1B1 encodes a sub-unit of the sodium - potassium plasma membrane pump, which is essential for water and ion transport.

Despite a large body of work, the exact molecular details underlying ion selectivity and transport of the potassium channel remain unclear.

He has conducted physics research on the Alcator A, C, and C - Mod tokamaks, including studies of energy and particle transport, pellet fueling, density limits, neutral particle measurements, and studies of energetic ion dynamics.

Defective ion channels are the underlying cause of many diseases, notably cystic fibrosis, in which the transport of chloride ions is impaired.

There, they catapulted oxygen and titanium ions down a 100 - meter transport tunnel and into the restrained rodents» brains at roughly two - thirds the speed of light.

When bulky amino acids are introduced at these positions, the channel width no longer corresponds to the size of sodium ions, and instead cesium ions are transported.

The research team was also able to identify the exact mechanism of the pump's targeting and transport of particular ions.

The researchers studied calcium channels in neurons, which allow for the transport of calcium ions from one nerve cell to another, helping the cells transmit itch signals from the skin to other cells in the spinal cord.

«We discovered that it has characteristics similar to the properties previously identified for the pores responsible for sodium ion transport,» says co-lead author Dr Caitlin Byrt, Postdoctoral Fellow in the School of Agriculture, Food and Wine.

Because sour taste is the perception of acidic substances, which have a high concentration of protons, Liman predicted that sour taste cells have an ion channel that responds to or transports protons.

They control both the transport of ions inside the cell itself and to the outside, all in complicated processes necessary to make the muscle able to contract,» explains Sørhus.

The review details capture and transport of light in the semiconductor, electrocatalysis, ion transport in the membrane and aqueous electrolytes, transport of product gas, and describesmulticomponent interactions between these physicochemical phenomena.

He studied physiology at the University of Guelph (BSc) and completed his MSc examining the role of membrane lipids in regulating ion transport ATPases.

Among the most interesting ones identified were those associated with 1) the large category of transport, and the more specific categories of carbohydrate transport and cation: amino acid symport; 2) several related to calcium, including calcium ion binding, calmodulin binding, and voltage gated calcium channel activity; 3) DNA damage response and signal transduction; 4) response to oxidative stress; and 5) oxygen and reactive oxygen species metabolism.

(Invited) Multiscale Modeling of Transport Phenomena in Ion - Conducting Membranes and Aqueous CO2 Reduction Cells A. Z. Weber, A. R. Crothers, M. Singh, C. J. Radke, and A. T. Bell

The transport of calcium ions to the site of the growing skeleton is one feature for characterizing the controlled process of coral calcification.

In their paper, Schwenzer and her colleagues discuss the required features of an efficient membrane, including chemical stability, water transport, and ion diffusion.

Within the context of artificial photosynthesis, membranes are desired that facilitate the ion transport necessary to feed the electrochemical reactions while meeting various additional selectivity and permeability demands depending on the CO2 reduction products.

Additionally, we recently have reported ion - conducting copolymer systems in which judicious choice of taper geometry led to reductions in block glass transition temperatures, which ultimately reduced barriers to ion - transport and enhanced conductivity.

To determine the role of inflammatory response in the pathophysiology of these diseases, glial cell morphology and essential functions, such as glutamate transport, ion recapture and modulation of neurotransmission will be evaluated following infusion of autoantibodies in the hippocampus.

«It's a new class of material that can reconfigure itself, and it has the potential to be customized into liquid reaction vessels for many uses, from chemical synthesis to ion transport to catalysis,» Tom Russell, a visiting faculty scientist in Berkeley Lab's Materials Sciences Division, said in a statement.

Objective: To develop artificial «ionic machines» for active manipulation and control of ion and fluid transport through nanometric channels, thereby imitating the functions of ionic machinery found in nature.

The PPPL code, called XGC, simulates behavior of the ions, electrons and neutral atoms in the transport barrier region — or «pedestal» — between the ultra-hot core of the plasma that fuels fusion reactions and the cooler and turbulent outer edge of the plasma.

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.

The data suggest that the shell formation mechanism can be divided into three different main parts, namely 1) transport of ions across plasma membranes, 2) secretion of shell matrix proteins and 3) production of protease inhibitors.

Dr. Miller is interested in the structure / property relationships that govern the transport of small solutes — including gases, ions, and small - molecule organics — through polymeric membranes.

For example, ions take part in acid - base reactions that determine the formation and transport of environmental pollutants.

BAZ2 - ICR (10 µm) was screened against a panel of 55 ligand receptors, ion channels and transports using an established and widely utilized commercial assay platform (ExpresSProfile; CEREP, Paris, FRANCE).

The new information may give scientists more confidence in applying the «Born potential» to some of the complicated challenges in predicting ion transport near and through chemical and biological systems.

The typical design of a perovskite solar cell sandwiches the perovskite between a hole transport material, a thin film of an organic molecule called spiro - OMeTAD that's doped with lithium ions and an electron transport layer made of titanium dioxide, or TiO2.

† It helps maintain normal function of the heart, muscles, and nerves by facilitating the transport of ions like potassium and calcium across cell membranes.

Furthermore, glutamine stimulates growth of the small intestinal mucosa in young animals and also enhances ion transport by the gut in neonates and adults.

The Na / K pump operates by transporting two potassium ions into your cells while moving three sodium ions out of your cells.

Its rich electrolyte content (8 electrolytes comprising close to 10 % of the clay) provides an abundance of free ions acting as antioxidants and rapid transport of toxins out of the cell and efficient transport of nutrients into the cell.

All muscles contract using the same basic principles - ion transport powers the attachment, configuration change, and detachment of protein cross bridges in a given muscle fiber, which causes contractile proteins to slide across each other and, well, contract.

glutamine stimulates growth of the small intestinal mucosa in young animals and also enhances ion transport by the gut in neonates and adults

Magnesium also plays a role in the active transport of calcium and potassium ions across cell membranes, a process that is important to nerve impulse conduction, muscle contraction, and normal heart rhythm [3].

FIVE diagrams are included: • Cellular Respiration Equation • Cellular Respiration Overview • Glycolysis • Krebs Cycle • Electron Transport Chain NGSS Alignment: HS - LS1 - 7, HS - LS2 - 5 Key Terms Include: • acetyl coenzyme A • ADP • adenosine triphosphate, ATP • ATP synthase • carbon dioxide • chemiosmosis • electron transport chain • FADH2 • glucose • glycolysis • H + ions • Krebs cycle • NADH • parts of the mitochondrion • pyruvic acid You might also like my: • Cellular Respiration PowerPoint and Notes: https://www.tes.com/us/teacher-lessons/cellular-respiration-powerpoint-and-notes-11133202 • Cellular Respiration Task Cards: https://www.tes.com/us/teacher-lessons/cellular-respiration-task-cards-with-powerpoint-review-11133254 • Cells Unit Bundle: https://www.tes.com/us/teacher-lessons/cells-bundle-powerpoints-notes-and-task-cards-11139453 Happy Transport Chain NGSS Alignment: HS - LS1 - 7, HS - LS2 - 5 Key Terms Include: • acetyl coenzyme A • ADP • adenosine triphosphate, ATP • ATP synthase • carbon dioxide • chemiosmosis • electron transport chain • FADH2 • glucose • glycolysis • H + ions • Krebs cycle • NADH • parts of the mitochondrion • pyruvic acid You might also like my: • Cellular Respiration PowerPoint and Notes: https://www.tes.com/us/teacher-lessons/cellular-respiration-powerpoint-and-notes-11133202 • Cellular Respiration Task Cards: https://www.tes.com/us/teacher-lessons/cellular-respiration-task-cards-with-powerpoint-review-11133254 • Cells Unit Bundle: https://www.tes.com/us/teacher-lessons/cells-bundle-powerpoints-notes-and-task-cards-11139453 Happy transport chain • FADH2 • glucose • glycolysis • H + ions • Krebs cycle • NADH • parts of the mitochondrion • pyruvic acid You might also like my: • Cellular Respiration PowerPoint and Notes: https://www.tes.com/us/teacher-lessons/cellular-respiration-powerpoint-and-notes-11133202 • Cellular Respiration Task Cards: https://www.tes.com/us/teacher-lessons/cellular-respiration-task-cards-with-powerpoint-review-11133254 • Cells Unit Bundle: https://www.tes.com/us/teacher-lessons/cells-bundle-powerpoints-notes-and-task-cards-11139453 Happy Teaching!

Air transport of lithium batteries poses a particular risk because fires involving lithium ion batteries can exceed the fire suppression capabilities of the aircraft.

Today's lithium - ion batteries use liquid electrolytes to transport the lithium ions between the anode (the positive side of the battery) and the cathode (the negative side of the battery).

Genes putatively related to calcification (e.g. calcium and inorganic carbon transport, H + transport and carbonic anhydrases) have been identified via gene expression studies comparing calcifying and non-calcifying E. huxleyi cells [25 — 29], or in short - term experiments where calcification was regulated by limitation of ions needed for calcification (i.e. Ca2 +, HCO3 − / CO32 − [26,30,31]-RRB-.