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Voltage in Medical News

Amped Up Piezos Are On The Move - Driving Piezos with an Affordable High Voltage Piezo Amplifier QPA200

An affordable High Voltage Piezo Amplifier (QPA200) for driving piezoelectric transducers in industrial applications, and to facilitate transducer evaluation in a laboratory setting. Medford, MA (PRWEB) February 26, 2009 -- Piezoelectric elements have a myriad of uses. ...

Childhood leukemia linked to residence close to high voltage power lines

In a research done by researchers of University of Oxford, UK, incidence// of childhood leukemia had been linked to proximity of residence to high voltage power lines. Researchers had looked into the cases of 29081 children with cancer, of which 9700 children had leukemia. These medical record...

PEAK Surgical Announces First Use of PEAK PlasmaBlade(TM) in Europe

... designed for use in surgical procedures requiring an extended-reach tip. Unlike most radiofrequency-based surgical products that use continuous voltage waveforms to cut tissue, the PULSAR Generator supplies pulsed plasma radiofrequency energy to the PlasmaBlade to incise tissue and control bleeding. B...

Reduced-Radiation Heart Scans Don't Compromise on Quality

...to lower radiation exposure, including minimized scan range, heart rate reduction, electrocardiographic-gated tube current modulation and reduced tube voltage in suitable patients. Participants included almost 4,900 patients undergoing CCTA at 15 hospital imaging centers ranging from small community hospi...

EaglePicher Medical Power Announces New Li/CFx Battery Technology

...lent rate capability for rapid capacitor charging throughout most of the battery life Telemetry capability Elimination of the initial voltage delay commonly seen in Li/CFx batteries Low self-discharge The new technology will be available in a number of configurat...

PEAK Surgical Announces Positive Fascia Incision Healing Results From Preclinical Study of PEAK PlasmaBlade(TM) for Gynecologic Surgery

... designed for use in surgical procedures requiring an extended-reach tip. Unlike most radiofrequency-based surgical products that use continuous voltage waveforms to cut tissue, the PULSAR Generator supplies pulsed plasma radiofrequency energy to the PlasmaBlade to incise tissue and control bleeding. B...
Voltage in Medical Technology

PEAK Surgical Announces Completion of First PRECISE Clinical Study, Receipt of Medical Design Excellence Award for PEAK(R) Surgery System and Achievement of Over 1,000 Surgeries Using PEAK PlasmaBlade(TM)

...s designed for use in surgical procedures requiring an extended-reach tip. Unlike most radiofrequency-based surgical products that use continuous voltage waveforms to cut tissue, the PULSAR Generator supplies pulsed plasma radiofrequency energy to the PlasmaBlade to incise tissue and control bleeding. B...

PEAK Surgical Announces Positive Results From Preclinical Study of PEAK PlasmaBlade(TM) for Obstetric and Gynecologic Surgery

...and the bleeding control of a traditional electrosurgery device. In addition, unlike most radiofrequency-based surgical products that use continuous voltage waveforms to cut tissue, the PULSAR Generator supplies pulsed plasma-mediated electrical discharges through the PEAK PlasmaBlade. These pulsed plasma-...

Vical's Vaxfectin Adjuvant With Needle-free Delivery Enhances DNA Vaccine Performance; Yields Antibody Responses Comparable to Electroporation Without Tolerability Issues

... a needle-free device. Unformulated vaccines were injected with needle and syringe followed in some animals by electroporation using either a constant voltage multi-needle device or a constant current multi-needle device. Both electroporation devices and the Vaxfectin(TM)/needle-free device combination elici...

Inovio Biomedical Highlights Enhanced DNA Vaccine Potency with Electroporation DNA Delivery Technology and New Devices at Gene Therapy Meeting

...rly development, allows injection of the DNA and electroporation with a single needle resembling a normal injection needle and applies pulses of lower voltage than those delivered by presently used devices, thus reducing the electrical sensation experienced by the patient. "We are pleased with the performa...
Voltage in Medical Products

Proteomic High Voltage Power Supplies

Description: The PRO6000 power supply is the latest edition to Thermo's power supply product offering. It sets new standards in proteomic and genomic electrophoresis. This product has unique features dedicated to proteomic applications such as microAmp detector, display and linear voltage....
Company:ThermoFisher Scientific

105 Low Voltage Power Supply

Description: Operating as a constant voltage power supply, the 105 is very simple to use. The adjustment knob and hilo range switch control the output, which is variable in 10-volt increments from 20 to 250 volts. One, two-position switch toggles the bright LED display from indicating output voltage to output c...
Company:ThermoFisher Scientific

250-90 Low Voltage Power Supply

Description: The 250-90 low voltage electrophoresis power supply is capable of producing up to 250 volts, 500 milliamps and 125 watts. This product operates in constant voltage or constant current with a continuously variable output. The 250-90 automatically crosses over from one mode of operation to the other ...
Company:ThermoFisher Scientific

High Voltage Non-Programmable Power Supplies

Description: From SDS-PAGE to IEF to DNA sequencing, Thermo Series 90 high voltage power supplies will handle all routine electrophoretic applications. These power supplies can operate in constant voltage, constant current or constant power operating modes, with automatic crossover. To take full advantage of t...
Company:ThermoFisher Scientific

High Voltage Programmable Power Supplies

Description: From simple techniques such as submarine electrophoresis and SDS-PAGE, to DNA Sequencing and Multiple Step IEF, the Series 90 Programmable Power Supplies will support virtually any application. The Series 90 Programmable Power Supplies are available in four different output voltages: 2000, 3000, 4...
Company:ThermoFisher Scientific

Klein Peristaltic Tumescent Infiltration Pump

Description:... The Klein Pump provides optimum flow rate for procedures requiring tumescent infiltration. Operates on any voltage worldwide. Optical cut off switch with safety Interlock and easy load head. Includes Single Spike Tubing, Double Spike Tubing, Dual Pneumatic Foot Swi...
Company:HK Surgical

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Voltage in Medical Dictionary

Tic

... ) - U.S. Transactions with Foreigners ... TIC monthly & quarterly reports: B, C, D and S forms. ... Designs ad manufacturer of exterior low voltage lighting and outdoor audio systems. TIC Corporation Press & Media Information, Outdoor Speaker New Developments ... TIC SP70vTA External o...

Electrical shock

...causing a shock . ... How to administer first aid for electrical shock . ... The danger from an electrical shock depends on how high the voltage is, how the ... Electrical shock . Definition Return to top ... The affect of an electric shock on an individual depends on the intensity o...
Voltage in Biological News

Uncooperative voltage sensors

The May 2009 issue of the Journal of General Physiology features an article and accompanying commentary on new experimental evidence that advances previous conclusions about the essential features of the Shaker K+ channel, a voltage-gated potassium (Kv) channel. As Richard Horn (Department of...

New insight into the mechanisms of voltage sensing and transduction in biological processes

The voltage sensor of voltage-gated ion channels is a conserved protein domain that senses millivolt changes in transmembrane potential, to regulate ion permeation through the channel. A recently discovered protein, Ci-VSP, has a voltage sensor that is coupled not to an ion channel but to a phosph...

Reveal the enemy

... to the aptamers like flies to flypaper. This influences the interaction between the aptamers and the nanotubes, which makes a change in the electrode voltage noticeable within seconds. Using this biosensor, the researchers were able to detect a bacterial concentration equivalent to one salmonella bacter...

Healing wounds with lasers, vehicles that drive themselves, other cutting-edge optics

... the human eye. Typically the signal consists of a voltage level that changes quickly moment by moment (over ...he screen while, coincidentally, the instantaneous voltage of the input signal is used to deflect the electro...ynamic range of this whole process is the range of voltage values that can be displayed; the other important ...

Novel electric signals in plants

... from leaf to leaf could be measured. The speed of the signals spreading as voltage changes over cell membranes ranged from 5 to 10 cm per minute. The scientis...transport of ions across cell membranes that causes the observed changes in voltage transmitted from leaf to shoot and then to the next leaf, but the activatio...

Singapore-US scientists first to develop revolutionary microchip that uses 30 times less energy

...oday's silicon transistors become increasingly 'noisy' as they get smaller, thus engineers have historically dealt with this by boosting the operating voltage to overpower the noise to ensure accurate calculations, leading to higher energy consumption levels. "With this PCMOS technology, noise/parameter v...
Voltage in Biological Technology

Material world: Graphene's versatility promises new applications

..." In the current study, two electrodes were attached to graphene, and a voltage applied across the material's two-dimensional surface by means of a third, gate electrode. Plots of voltage vs. capacitance can be seen in fig1. In Tao's experiments, graphene's abili...

Bilayer graphene gets a bandgap

...ce. As the researchers tuned the electrical fields by precisely varying the voltage of the gate electrodes, they were able to measure variations in the light a...tive ease and efficiency, and showed that by independently manipulating the voltage of the two gates, the researchers could control two important parameters, t...

A billion-year ultra-dense memory chip

...imately 1/50,000th the width of a human hair, that in the presence of a low voltage electrical current can be shuttled back and forth inside a hollow carbon na...rovides its own protection against environmental contamination." The low voltage electrical write/read capabilities of the memory element in this electromec...

Scientists demonstrate effect of confining dielectrics on semiconductor nanowire conductivity

... with nanowires, such as nanowire field-effect transistors, require imaginative design of the materials, the surrounding dielectric, and the operating voltage bias to take into account dielectric confinement effects," says Narayanamurti. Previously, the effects of dielectric confinement have been investi...

Cellectricon and BioFocus DPI Advance High Throughput ion Channel Drug Discovery

...R)HT microfluidic ion channel screening platform is the world's first APC technology enabling high throughput screening of all kinds of ion channels - voltage gated or ligand gated. Fully automated, the Dynaflow(R)HT has a throughput exceeding all existing APC systems - at a very competitive running cost. Ra...

MIT virus battery could power cars, electronic devices

... researchers have demonstrated they can wire virus batteries at the nanoscale, they intend to pursue even better batteries using materials with higher voltage and capacitance, such as manganese phosphate and nickel phosphate, said Belcher. Once that next generation is ready, the technology could go into comm...
Voltage in Biological Products

Boekel Rocker II 115VAC from Boekel Scientific

Description:... Adjustable tilt angle 0 to 20 Adjustable speed of 3-25 RPM Load capacity: 2.7 kg (6 lbs.) Ambient temperature range 4C to 65C Low voltage power is supplied by wall mount transformer...
Company:Boekel Scientific

EPS 3501 XL Power Supply from GE Healthcare, formerly Amersham Biosciences

Description:...00 W maximum.Constant voltage, constant current, constant power, and linear voltage ramp modes.Linear voltage ramp mode brings proteins to focused equilibrium in IPG strips quickly with...
Company:GE Healthcare, formerly Amersham Biosciences

EPS 301 Power Supply from GE Healthcare, formerly Amersham Biosciences

Description:... EPS 301 Power Supply, 1. 300 V, 400 mA, 80 W maximum.Constant voltage or constant current modes.Single-unit increments in settings and read-outs for precision and reproducibility.Suitable for submarine, mini vertical, an...
Company:GE Healthcare, formerly Amersham Biosciences

Max-Power 2000V Power Supply from Major Science

Description:... High voltage electrophoresis power supply...
Company:Major Science

MP 300V Power Supply from Major Science

Description:...ower supply designed to meet most electrophoresis needs in a personal, single, easy to use unit. Major Science MS 300V power supply provides Constant voltage or Constant Current to instruments used in electrophoresis. 4 pairs of terminator and the powerful specification equipped enable the maximum capabilit...
Company:Major Science

Max Power Power Supply from Major Science

Description:... The MAX POWER 500V Programmable Power Supply are high-performance, easy to operate instruments which can handle virtually any application from high voltage electrophoresis to high current blotting. It is unique in offering both graphic and text displays. The MAX POWER Programmable Power Supply is complete...
Company:Major Science
Voltage in Biological Definition

Dendrite

...ved to merely convey stimulation passively, without action potentials and without activation of voltage-gated ion channels . In such dendrites the voltage change that results from stimulation at a synapse may extend both towards and away from the soma. In other dendrites, voltage-gated channels help pro...

Electrophysiology

...ing. This technique entails impaling a cell, usually a neuron , with a sharp glass electrode and recording either the currents (voltage-clamp) or the voltage (current-clamp) across the membrane. This technique is widely used when recording from brain slices or when performing "in-vivo" recording from live a...

Insulin

...ood glucose levels and hence ATP levels, the ATP controlled potassium channels (K+) close and the cell membranes depolarise On depolarisation , voltage controlled calcium channels (Ca2+) open and calcium flows into the cells An increased calcium level in the cells causes release of previously syn...

Ion channel

... ions , these pore -forming proteins help establish the small negative voltage that all cells possess at rest (see cell potential ). Contents ...t active transport Action potential External links The voltage Sensor in Voltage-Dependent Ion Channels X-ray crystal structure of a p...

Neurotransmitter

...t is, they may help the initiation of a nerve impulse in the receiving neuron, or they may discourage such an impulse, by modifying the local membrane voltage potential. In the central nervous system, combined input from several synapses is usually required to trigger an action potential. Glutamate is the ...

Potential energy

... volts . The fact that a potential is always relative to a reference point is often made explicit by using the term potential difference . The term voltage is also common. The electrical potential energy between two charges q 1 and q 2 is: The electric potential generated by charg...
Voltage in Biological Dictionary

Syncytium

...cing (NSI) to syncytium -inducing (SI) phenotype,2 occurs later in the natural course ... ... syncytium allows the pacemaking network to produce voltage ... The passive properties of the circular muscle syncytium resembled those in other species. ... ...

Suppression

... Thought suppression , the process of deliberately trying to stop thinking about certain thoughts ... Transient voltage suppression diode ... Thought suppression , the process of deliberately trying to stop thinking about certain thoughts (Wegner, 1989), is asso...

Splicing

...ally contains a clear signal for splicing (e.g., the beta globin gene) ... AT-AC Pre-mRNA Splicing Mechanisms and Conservation of Minor Introns in voltage ... Wire Rope splicing , wire rope sales, splicing and inspection services provided ... specializes in wire rope sales and wire rope splicing ...

Resting potential

...pposed to the specific dynamic electrochemical phenomenona called action potential and graded membrane potential . Membrane potential is the voltage difference between the interior and exterior of a cell. Because the fluid inside and outside a cell is highly conductive, while a cell's plasma...

Nerve impulse

... conveys information in the form of electrochemical impulses (known as ... Information about nerve impulse in the free online ... the local voltage change across the cell wall as a nerve impulse is transmitted ... Nerve - Impulse Transmitter. acetylcholine, contributing research ... Ne...

Lambda

.... kindly accepted as we raise funds for renovation of the Mu Lambda Community House. ... Lambda Americas, High Power DC, Programmable, and High voltage Capacitor Charging Power Supplies LAMBDA - CMB data archive of science research on microwave cosmic background radiation related subjects. ... L...
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