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electrically in Medical News

One step closer to an artificial nerve cell

... with this method is that all cell types in the vicinity of the electrode are activated, which gives undesired effects. Scientists have now used an electrically conducting plastic to create a new type of "delivery electrode" that instead releases the neurotransmitters that brain cells use to communicate natura...

Microbridge Technologies Announces Micro-Flow Differential Pressure Sensors for Medical Respiration and Industrial HVAC Applications

...logies Microbridge, the inventor of the Rejustor(TM), simplifies analog design by giving engineers a new dimension of precision and flexibility to electrically calibrate the accuracy of their designs and "tune-out" the adverse effects of temperature, reduce design complexity, lower costs and improve time-to-m...

New: Neuromodulation

...pinal cord, peripheral nerves, autonomic nerves and various organs. The book provides tools to directly stimulate specific areas of the nervous system electrically or pharmatcologically. All of the contributors to Neuromodulation represent leading experts in the field, and the editors are internationally ren...

Winalite International Healthy Love Moon Sanitary Pads Takes World by Storm

...mental well-being by emitting negative ions (anions) during use. Canyon Lake, California (PRWEB) April 28, 2009 -- Ions are electrically charged atoms that can carry a positive or negative charge (anions). Anions are required to sustain life.They have strong absorption capability to abs...

UT Southwestern researchers reveal how the brain processes important information

... Center at the Dallas Veterans Affairs Medical Center, and his research team isolated slices of the hippocampus region of the animals' brains and then electrically stimulated the cells. To simulate what happens in the brain in response to a memory-worthy event, they then exposed the cells to a selective dopamine-...

Engineer: Computer learning, electrical stimulation offer hope for paralyzed

...ely high voltage to a designated muscle. That means that while the muscle may move, it can easily fatigue, becoming less responsive and sore. Also, electrically stimulated movements tend to be rough, without the degree of control and variation the subtle bends or twists that make all the difference in so much...

New stretchable electrodes created to study stresses on cardiac cells

...g at Stanford, along with graduate students and other researchers at both universities. "What's special about this technology is that it allows you to electrically stimulate or monitor the cell population using electrodes while you are applying stress to the cells." Stretching the cell cultures causes mechanic...

Stanford blood scanner detects even faint indicators of cancer

...magnetic signal in a blood serum sample stands out like a flare in the night sky. By tagging cancer proteins with tiny magnetic particles, rather than electrically charged or glowing particles as in other detectors, the new system can obtain a clearer signal from a smaller number of cancer proteins. At the hea...

Cancer requires support from immune system to develop, UT Southwestern researchers report

...rs are complex structures that include many different types of cells, particularly Schwann cells, which provide a fatty coating that makes nerve cells electrically efficient, and mast cells. Because of their complexity, plexiform neurofibromas are difficult to remove surgically, and there is currently no cure ...

'Hub' of fear memory formation identified in brain cells

...otein with a pulse of the psychiatric drug lithium and injecting a virus that could remove the gene for beta-catenin from brain cells. If mice are electrically shocked just after they hear a certain tone, they gradually learn to fear that tone, and they show that fear by freezing. To test beta-catenin's i...
electrically in Medical Technology

Catheter Ablation System for Atrial Fibrillation Shows Reduced Procedure Time, Remarkable Safety Profile and Excellent Outcomes in Two Clinical Studies

...l intervention, yet can provoke severe symptoms. All patients were treated with ablation therapy at the antrum of the pulmonary veins (PV) designed to electrically isolate them from the left atrial body. This therapy has previously involved long procedure times and often required elaborate and expensive imaging t...

Device Blocking Stomach Nerve Signals Shows Promise in Obesity

...dures which reroute food and remove part of the stomach. "For this study, we wanted to get an initial assessment of whether blocking the vagus nerve electrically could cause obese patients to feel full after a normal-sized meal," Dr. Camilleri explains. "Patients were not put on any restricted diets or given co...

St. Jude Finds 'Dancing' Hair Cells Are Key to Humans' Acute Hearing

...ation or overdose of drugs MEMPHIS, Tenn., May 7 /PRNewswire-USNewswire/ -- St. Jude Children's Research Hospital investigators have found that an electrically powered amplification mechanism in the cochlea of the ear is critical to the acute hearing of humans and other mammals. The findings will enable bette...

Anpath Group, Inc. Announces Selection of its Disinfectant by the Washington Metropolitan Area Transit Authority (Metro)

... ECADS sprayers from Foster-Miller to dispense EnviroTru(TM)". Mr. Lusignea explained, "The ECAD decontamination and remediation system disperses fine electrically charged droplets of decontaminant into the air. Because of the static charge imparted to aerosol particles, ECADS provides a much higher amount of dis...
electrically in Medical Products

WET-FIELD Diathermy Coagulator w/Harmonized Power Cord (universal power supply for 100-240 volts) and footswitch - electrically powered

Description: The Wet-Field Coagulator provides precise episcleral, intrascleral, and intraocular hemostasis with reduced peripheral tissue trauma. Controlled Rf diathermy delivers targeted coagulation with the most comprehensive line of bipolar Eraser instruments, forceps and cables. This instrument combines en...
Company:Medtronic Xomed, Inc.

WET-FIELD Diathermy Coagulator (universal power supply for 100-240 volts) w/footswitch - electrically powered

Description: The Wet-Field Coagulator provides precise episcleral, intrascleral, and intraocular hemostasis with reduced peripheral tissue trauma. Controlled Rf diathermy delivers targeted coagulation with the most comprehensive line of bipolar Eraser instruments, forceps and cables. This instrument combines en...
Company:Medtronic Xomed, Inc.

Aliseo Anesthesia Machine

Description:...nit can be used as a stand alone machine for the induction room. It provides a fresh gas outlet and a 2 position vaporizer manifold. The ventilator is electrically driven and provides 3 modes of ventilation: manual/spontaneous, auto and ACV (assist controlled ventilation). Features include ambient air ventilation...
Company:Datex-Ohmeda, Inc.

Neurofax EEG-9200

Description:... provides high quality performance from routine EEG exam to advanced studies in the sleep lab or EEG lab. Quality EEG recording is assured even in the electrically noisy OR or ICU. Neurofax has high performance, high sensitivity amplifiers, high frequency and simultaneous sampling, an ECG rejection filter, shield...
Company:Nihon Kohden

Neurofax EEG-9100

Description:... Quality EEG recording is assured even in the electrically noisy OR or ICU. Neurofax has high performance, high sensitivity amplifier...s and cart are also available. Quality EEG recording is assured even in the electrically noisy OR or ICU. Neurofax has high performance, high sensitivity amplifier...
Company:Nihon Kohden

Shielded Ring Electrodes

Description:...at insulates the recording lead wires from the damaging effects of 60-cycle interference. That means you get a cleaner, quieter signaleven in the most electrically hostile environment....
Company:Cadwell Laboratories, Inc.

Shielded Bar Electrodes

Description:...at insulates the recording lead wires from the damaging effects of 60-cycle interference. That means you get a cleaner, quieter signaleven in the most electrically hostile environment....
Company:Cadwell Laboratories, Inc.

Shielded Paired Disc Electrodes

Description:...at insulates the recording lead wires from the damaging effects of 60-cycle interference. That means you get a cleaner, quieter signaleven in the most electrically hostile environment....
Company:Cadwell Laboratories, Inc.

CapSureFix Novus

Description:... The electrically active helix of CapSureFix Novus lead is designed to extend easily for active fixation and retract for venous passage....
Company:Medtronic Inc.

KY Series

Description:...atrium or the ventricle. The KY lead is supplied with a screwdriver shape stylet which is used to fixate the lead. The ring tip and fixation screw are electrically active....
Company:Oscor Inc.
electrically in Medical Dictionary

Myelin

...are prices. Free shipping on all items. In neuroscience, myelin is an electrically insulating phospholipid layer that ... The Myelin Project. Athabasca Univ...alth issues. ... Myelin : (1) The lipoproteinaceous ... Myelin is an electrically insulating phospholipid layer that surrounds the axons ... It uses material...

Electrolytes

... An electrolyte is any substance containing free ions that behaves as an electrically conductive medium. Because they generally consist of ions in solution, ele...x > electrolytes article > ... Electrolytes are ions that are electrically charged and can be found in many sports drinks. ... What are electrolytes ...

Electroconvulsive

...troconvulsive therapy (ECT), also known as electroshock, is a well established, albeit controversial, psychiatric treatment in which seizures are electrically induced in anesthetized patients for therapeutic effect. Today, ECT is most often used as a treatment for... More about Electroconvulsive Th...
electrically in Biological News

UCLA stem cells scientists make electrically active motor neurons from iPS cells

Stem cells scientists at UCLA showed for the first time that human induced pluripotent stem (iPS) cells can be differentiated into electrically active motor neurons, a discovery that may aid in studying and treating neurological disorders. Additionally, the motor neurons derived from the iPS c...

Researchers design first model motor nerve system that's insulated and organized like the human body

...ower station relays along the myelin sheath. They chemically boost signals, allowing them to get across breaks in myelin, or from node to node, at the electrically charged nodes of Ranvier. Nerve malfunctions, called neuropathies, involve a breakdown in the way the brain sends and receives electric signals along...

Flow of potassium into cells implicated in schizophrenia

...human brain, and neurons," added Weinberger. By regulating the flow of potassium ions into the cell, potassium channels control when neurons fire electrically discharge and release a chemical messenger that signals neighboring neurons in a circuit. This flow is regulated, in part, by activity of the chemical...

Researchers generate functional neurons from somatic cells

... Stem Cells . This study is the first to use human iPS cells to generate electrically active motor neurons, a key hallmark of functional maturation that is essen...d that the iPS cells followed a normal developmental progression to mature, electrically active neurons. "It seems possible that disease-specific somatic cells ...

New method monitors critical bacteria in wastewater treatment

...rites, which are further broken down by other bacteria into harmless nitrogen gas. Sensor data reveal how well the bacteria are absorbing ions, or electrically charged atoms and molecules, from the wastes. The "filtering flux sensor" measures ammonia and nitrite to reveal the ion flux, or how many ions are be...

New 'smart' materials for the brain

... step forward in the search to find ways to "bypass" faulty brain wiring. The research shows that carbon nanotubes, which, like neurons, are highly electrically conductive, form extremely tight contacts with neuronal cell membranes. Unlike the metal electrodes that are currently used in research and clinical a...

New holographic method could be used for lab-on-a-chip technologies

... a Chip and Microfluidics and Nanofluidics. The experimental device consists of two parallel electrodes made of indium tin oxide, a transparent and electrically conductive material. The parallel plates were spaced 50 micrometers, or millionths of a meter, apart, equivalent to two-thousandths of an inch or abou...

Deprived of a sense of smell, worms live longer

...ormal. "Now we know what cells ethosuximide targets in C. elegans ," Kornfeld says. "It's likely that the drug prevents the nerve cells from being electrically active, but precisely how it does that is something we need to study further. We also want to find out how the effect on the neurons is translated int...

Where optics meets medicine

...to minimize the damage to the brain tissue. During surgery, doctors make these adjustments by asking their patients to perform certain tasks while electrically stimulating parts of the brain bordering where they plan to cut. The electrical stimulation inhibits brain function in that region, revealing whether ...

American Chemical Society's Weekly PressPac -- Sept. 24, 2008

...rnal. In the new study, Rongjia Tao and colleagues describe development and testing of a new fuel economy booster. The small device consists of an electrically charged tube that can be attached to the fuel line of a car's engine near the fuel injector. The device creates an electric field that thins fuel, or ...
electrically in Biological Technology

Bilayer graphene gets a bandgap

... Wang. "Unfortunately chemical doping is difficult to control." Researchers then tried to tune the bilayer graphene bandgap by doping the substrate electrically instead of chemically, using a perpendicularly applied, continuously tunable electrical field. But when such a field is applied with a single gate (el...

Scientists moving closer to 'artificial noses'

...em of nanostrings made of non-conducting material, where each string can be electrically excited separately. Thousands of these strings can be produced on a small c...nter. Following this physical principle, the nanostrings, which are made of electrically non-conducting silicon nitride, are excited to resonate when exposed to an ...

MIT virus battery could power cars, electronic devices

...ial. Because the viruses recognize and bind specifically to certain materials (carbon nanotubes in this case), each iron phosphate nanowire can be electrically "wired" to conducting carbon nanotube networks. Electrons can travel along the carbon nanotube networks, percolating throughout the electrodes to the ...

MIT: 'Nanostitching' could strengthen airplane skins, more

...10 times stronger at a nominal increase in cost. Moreover, advanced composites reinforced with nanotubes are also more than one million times more electrically conductive than their counterparts without nanotubes, meaning aircraft built with such materials would have greater protection against damage from lig...

Domain walls that conduct electricity

... is the most familiar kind of magnetism, characterized by fields oriented by north and south poles. Ferroelectricity refers to materials which can be electrically polarized, having a preferred orientation of positive-negative electric charge. In ferroelastic materials "shape-memory" alloys, for example stress ...

Peter Zoller and Ignacio Cirac, awarded by the BBVA Foundation

...ng from 1995, was the description of a theoretical model for a quantum computer. They based their conjectures on what are known as ion traps, in which electrically charged and cooled atoms are trapped by an electric field and manipulated with lasers. Today, this technique still holds out the best promise for quan...

Method sorts out double-walled carbon nanotube problem

...d in transparent conductors, materials that are important components of solar cells and flat-panel displays because they are optically transparent and electrically conductive. As the demand for energy-efficient devices and alternative energy sources rises worldwide so does the demand for transparent conductive fi...

National Geographic Uses Air Filtration in Bid To Be an Energy, Environmental Leader

...trionAir technology has accomplished." Aaron Ayer, P.E., and StrionAir vice president of marketing, said, "The USGBC**'s recognition that our electrically enhanced air filtration technology merits an Innovation Credit as a stand-alone product is huge. It showcases our technology's role in helping achieve...

Fingerprints provide clues to more than just identity

...hey then analyzed them with a mass spectrometry technique developed in Cooks' lab. Mass spectrometry works by first turning molecules into ions, or electrically charged versions of themselves, so their masses can be analyzed. Conventional mass spectrometry requires chemical separations, manipulations of sample...

New solar energy material captures every color of the rainbow

...ined in sunlight, and generates electrons in a way that makes them easier to capture. Ohio State University chemists and their colleagues combined electrically conductive plastic with metals including molybdenum and titanium to create the hybrid material. "There are other such hybrids out there, but the ad...
electrically in Biological Definition

Brain

...alen and Descartes and discovered many facts about the macro structure of the brain of animals and humans. In the 1700s, Luigi Galvani showed that electrically stimulating the sciatic nerve of a dissected frog caused movement of the attached muscle. His experiments led scientists away from the fluid mecha...

Lipid bilayer

...posed of two opposing layers of lipid molecules arranged so that their hydrocarbon tails face one another to form the oily bilayer core, while their electrically charged or polar heads face the watery or "aqueous" solutions on either side of the membrane. Because of the oily core, a pure lipid bilayer is perm...
electrically in Biological Dictionary

Tracheae

... in Drosophila: A case study of the developing tracheae ... This experiment suggests that the tracheae are not particularly sensitive to ... In electrically stimulated tracheae , tachykininergic neural secretion was ... In tracheae from ovalbumin-sensitised animals, repeated administration of ... ....

Terminator region

... vectors.<br/><BR>This primer ... ... weakly sunlit terminator region and dayside ... The lunar terminator /polar region is an electrically ... terminator , in the wake region , the electron ... Terminator 1 Promo video with D'n'B ost. ... 1:00 ï"¿ THE ONE AND ONLY Terminator !!! i...

Protons

... the electron Atomic nucleus The central region of an atom. Atoms are composed of negatively charged electrons, positively charged protons , and electrically neutral Designed for patient treatment and research in a hospital setting. How do you determine how many protons , neutrons, and electrons are ...

Nucleon

.... ... nucleon a constituent (proton or neutron) of an ... What is the nucleon with a positive charge and a mass of one? ... When a nucleon is electrically neutral ... Nucleon is an incredibly powerful energy source capable of being used as fuel by ... Retrieved from "http://tfwiki.net/wiki/ Nucleo n...

Myelin sheath

... Shop the Wholesale Supplement Store for Myelin Sheath Support, 90 tabs. Great prices and next day shipping! In neuroscience, myelin is an electrically insulating phospholipid layer that ... The main consequence of a myelin layer (or sheath ) is an increase in the speed ... Shop for vitamins, ...

Myelin

...forward Guide: What is Myelin ? ... Myelin aids in the quick and accurate transmission of electrical current ... In neuroscience, myelin is an electrically insulating phospholipid layer that ... The Myelin Project. Athabasca University Biological Psychology Website ... Myelin - Definition of Mye...

Molecule

... A molecule is defined as a sufficiently stable, electrically neutral group of at least two atoms in a definite arrangement held together by very strong (covalent) chemical bonds. Molecules are distinguished from...

Gel electrophoresis

...king at the gel above, the molecular size of the plasmid can be estimated ... Gel electrophoresis is a widely used technique for separating electrically charged molecules. ... Gel Electrophoresis - Separation Of Dna And Rna ... Sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-P...

Dendrites

...the surface of other minerals and often ... Historical role of the dendrite ... The dendrites of mammalian neurons have been considered to be electrically ... poorly space-clamped dendrites are closer to ... Shop for Dendrites - Books at Shop.com. Books|Non-Fiction|English |Hardcover|Oxford Univ P...

Atom

...ense, central nucleus surrounded by a cloud of negatively charged electrons. The atomic nucleus contains a mix of positively charged protons and electrically neutral... Intel Atom is the brand name for a line of x86 and x86-64 CPUs from Intel, previously code-named Silverthorne and Diamondville process...
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