Sentences with phrase «ion pumps»
"Ion pumps" refers to special proteins in our cells that help transport ions, which are electrically charged particles, across cell membranes. They play an essential role in maintaining the balance of ions inside and outside the cells, which is important for various functions in our body. Full definition
In living systems, energy is stored in potentials across lipid membranes, in this case created through the action of ion pumps.
sciencedaily.com
Magnesium - powered ion pumps maintain those specific concentrations.
The ion diode has recently been developed, as has the material that forms the basis of the new rapid ion pump.
This is an end - on view of the vacuum chamber, showing ion pump, which maintains the high vacuum, to the left, and the photomultiplier tube and light collection lenses to the right.
«It is the first ion pump involved in active transport of which we now understand the molecular mechanism,» says Kühlbrandt.
A study based on site - directed mutagenesis that changed the key amino acids within a bacterial ion pump has produced a cesium pump, which could potentially extract cesium from the environment in the presence of light.
She proudly presents a glass disk with many of the new miniaturized ion pumps.
Amanda Jonsson, who together with Theresia Arbring Sjöström is principal author of the article in Science Advances, has developed the pain - alleviating ion pump as part of her doctoral studies.
With a microfabricated ion pump built from organic electronic components, ions can be sent to nerve or muscle cells at the speed of the nervous system and with a precision of a single cell.
Alternatively, inserting an inhibitory ion pump into the GABAergic neurons allowed the researchers to turn off the activity of these neurons through laser stimulation.
Some jellyfish, algae and bacteria produce light - activated ion pumps and channels.
Boyden's team had previously identified two light - sensitive chloride ion pumps that respond to red light, which can penetrate deeper into living tissue.
They achieved this by integrating a conventional solid - state complementary metal - oxide - semiconductor (CMOS) integrated circuit with an artificial lipid bilayer membrane containing ATP - powered ion pumps, opening the door to creating entirely new artificial systems that contain both biological and solid - state components.
The research group at the Laboratory of Organic Electronics has now achieved another major advance and developed a significantly smaller and more rapid ion pump that transmits signals nearly as rapidly as the cells themselves, and with a precision on the scale of an individual cell.
Similar ATPase enzymes were subsequently discovered, including the ion pump that controls muscle contraction.
Contracting muscles of the heart, diaphragm and limbs; ion pumps that maintain the electrical properties of nerves; and biochemical reactions that break down food and synthesize new tissues (to name a few) generate body heat continuously.
«Our results provide new insight into a generalized circuit model, enabling us to determine the conditions to maximize the efficiency of harnessing chemical energy through the action of these ion pumps.
This explains why membrane bioenergetics are universal in archaea and bacteria yet ion pumps and membranes are different, which has been the big unknown.»
Eighteen months ago, researchers at the Laboratory of Organic Electronics demonstrated an ion pump which researchers at the Karolinska Institutet could use to reduce the sensation of pain in awake, freely - moving rats.
The new ion pump has so far only been tested in the laboratory.
«Our skilled doctoral students, Amanda Jonsson and Theresia Arbring Sjöström, have succeeded with the last important part of the puzzle in the development of the ion pump.
The ion pump delivered GABA directly to the rat's spinal cord.
«The new material makes it possible to build with a precision and reliability not possible in previous versions of the ion pump,» says Daniel Simon.
All of the outputs of the ion pump can also be rapidly switched on or off with the aid of micrometre - sized ion diodes.
Importantly, the point mutations created by Agudelo et al. prevent ouabain binding to ATP1A1 but do not compromise the ion pump's function or cause cellular growth delays.
Your scale weight will fluctuate from day to day based on many factors, including the amount of carbohydrate you ingest and the ratio of sodium to potassium in your food (both which pull water into your system — carbohydrate through glycogen in your muscles and sodium through water retention via the ion pump).
Specifically, it is important for the ion pumps that control signaling between the neurons of the brain.