Navigation Links
Electrical in Biological Technology

Charging ahead: University of Houston team revealing secrets of electricity-producing materials

... materials convert mechanical energy into electrical energy, Sharma explains. "Indeed, gas ... piezoelectric nanodevices will also generate an electrical current in response to mechanical stimuli. Then, ... professor Ken White recently reported that the electrical activity caused by flexoelectricity also affects ...

Brown engineering professor wins prestigious White House award

... Brown faculty in 2006 after earning his Ph.D. in electrical engineering at Stanford University. He attended ... where he earned a combined degree in electrical engineering and English literature. Zia's ... because it studies the direct connection between electrical devices (those that use charge) and photonic ...

Bilayer graphene gets a bandgap

... a perpendicularly applied, continuously tunable electrical field. But when such a field is applied with a ... to measure the bandgap by measuring the device's electrical resistance, or transport, they decided to measure ... through the device. As the researchers tuned the electrical fields by precisely varying the voltage of the ...

New MIT radio chip mimics human ear

... Rahul Sarpeshkar, associate professor of electrical engineering and computer science, and his ... signal processing to convert sound waves into electrical signals that are sent to the brain. As sound ... ear, activating hair cells (cells that cause electrical signals to be sent to the brain). The cochlea can ...

A billion-year ultra-dense memory chip

... human hair, that in the presence of a low voltage electrical current can be shuttled back and forth inside a ... be read out directly via a simple measurement of electrical resistance, allowing the shuttle to function as a ... environmental contamination." The low voltage electrical write/read capabilities of the memory element in ...

Inexpensive plastic used in CDs could improve aircraft, computer electronics

... his research team have demonstrated ultra-high electrical conductive properties in plastics, called ... plastic. That means its ability to carry an electrical charge is as good as a tree, which is pretty ... optical and mechanical properties, but also good electrical characteristics. By being able to tailor the ...

Nanophysicists find unexpected magnetic effect

... when it comes to predicting the behavior of electrical contacts that are just one atom wide. In new ... in fewer vibrations among atoms, and thus less electrical resistance, mobile electrons in the metals tend ... why even tiny magnetic impurities can cause electrical resistance to rise, in spite of further cooling. ...

University of Maryland Announces Finalists for $75K Business Plan Competition

... Team: Marty Peckerar, professor, department of electrical and computer engineering; Neil Goldsman, professor, department of electrical and computer engineering; Zeynep Dilli, research associate, department of electrical and computer engineering; Josekuttan ...

MIT: New material could lead to faster chips

... meaning it is capable of taking an incoming electrical signal of a certain frequency for example, the ... assistant professor in MIT's Department of electrical Engineering and Computer Science and a core ... discovered, and also has a number of unsurpassed electrical properties, such as "mobility" the ease with ...

Hebrew University scientist develop technique for eliminating reblockage of arteries

... special training of the medical team. In IRE, electrical fields are applied across targeted cells, ... This process leads to cell death, since the electrical fields cause permanent damage to the membranes and the consequent loss of cell stability. The electrical fields damage only the cell membranes, with no ...

Nanotubes find niche in electric switches

... could significantly improve the performance of electrical commutators that are common in electric motors ... an integral part of "commutators," or spinning electrical switches used in many battery-powered electrical devices, such as cordless drills. "The ...

Researchers discover a potential on-off switch for nanoelectronics

... with a single molecule. Their findings reveal the electrical resistance through this junction can be turned ... up' individual molecules and measuring their electrical conductance," said Neaton. "Forming reliable contacts between nanostructures and 'alligator clip' electrical leads is extremely challenging. This made ...

Engineers tune a nanoscale grating structure to trap and release a variety of light waves

... transmit data with much greater speed than do electrical signals, says Qiaoqiang Gan, a Ph.D. candidate at ... and route data without needing to be converted to electrical signals and back. To enable light waves to ... adviser, Filbert J. Bartoli, department chair of electrical and computer engineering, made a major ...

Nanogenerators produce electricity from running rodents and tapping fingers

... of Technology researchers have also generated electrical current from a tapping finger moving the users ... can convert any mechanical disturbance into electrical energy." The demonstrations of harnessing ... materials such as zinc oxide wires produce electrical charges when they are bent and then relaxed. The ...

Domain walls that conduct electricity

... found that between domains having different electrical polarization, the domain walls themselves just ... familiar metals or semiconductors, the basic electrical and magnetic properties of complex materials are ... but surprisingly, certain domain walls exhibited electrical conductivity. Their conductivity depended on the ...

Easy assembly of electronic biological chips

... accurately," says Theresa S. Mayer, professor of electrical engineering and director of Penn State's ... wish to place the nanowires. They then apply an electrical field between electrodes that define the area ... proteins, and move from fluorescence to real-time electrical detection on the chip," says Keating. ...

Paperwork: Buckypapers clarify electrical, optical behavior of nanotubes

... (SWCNTs) have attracted much attention as tiny electrical conductors. Relatively small concentrations of ... normally insulating polymer film to a transparent electrical conductor. Potential applications range from transparent electrical shielding materials to futuristic flexible video ...

New knowledge about thermoelectric materials could give better energy efficiency

... which can transform the thermal difference to electrical energy or vice versa electrical current to cooling. An effective utilization ... low thermal conductivity without degrading the electrical properties. This can be crucial for the ...

Engineers aim to solve 'burning' computer problem

... professor in the Charles L. Brown Department of electrical and Computer Engineering. "The prediction is that ... hotter unit to a cooler one in this case between electrical computer components until both have roughly the ... could be engineered to convert non-equilibrium electrical activity into directed motion, allowing energy to ...

New graphene-based material clarifies graphite oxide chemistry

... of wind turbines for improved generation of electrical power, as critical components in nanoelectronics ... speeds but very low power consumption, for electrical energy storage in batteries and supercapacitors ... Emanuel Tutuc and Bhagawan Sahu (Department of electrical and Computer Engineering) and Gyeong Hwang ...

New carbon material shows promise of storing large quantities of renewable electrical energy

... as a new carbon-based material for storing electrical charge in ultracapacitor devices, perhaps paving ... form of carbon. "Through such a device, electrical charge can be rapidly stored on the graphene ... released from them as well for the delivery of electrical current and, ...

Understanding the science of solar-based energy: more researchers are better than one

... that captures sunlight and converts it to an electrical charge. The interaction of the system's electrical charge and an oxygen catalyst produce oxygen gas ... charged hydrogen ions or protons from water. The electrical charge, in combination with a hydrogen catalyst ...

'Racetrack' for fast electrons in semiconductor structures

... In order to realize the electrical units of voltage, resistance and current with ... With this, PTB extends its leading position in electrical quantum metrology with semiconductor structures. ... material for computer and home electronics. In electrical quantum metrology semiconductor devices are used ...

Bioheart, Inc., Announces Letter of Intent to Acquire MEDICALGORITHMICS, Ltd.

... on the ECG, doctors can determine how long the electrical wave takes to pass through the heart, which indicates whether the electrical activity is normal or slow, fast or irregular. ... ECGs enable physicians to measure the amount of electrical activity that passes through the heart muscle, ...

Golden scales

... nanotube that is double-walled to provide uniform electrical properties and increased rigidity. One tip of the ... electrodes. Applying a DC bias creates a negative electrical charge on the free tip of the nanotube. An ... tip of the nanotube and detecting the resulting electrical current." Using their NEMS mass sensor, Zettl, ...

Using a grating with a grade, engineers trap a rainbow

... says Qiaoqiang Gan, a Ph.D. candidate in electrical engineering at Lehigh University in Bethlehem, ... data with greater speed and control than do electrical signals, which are hindered by the mobility of ... to the integration of optical structures with electrical devices. "For that reason, the dream now among ...

Detecting dangerous chemicals with lasers, exploring the brain's circuitry with light and more

... within or near single neurons to probe their electrical activity. Though well established, this method is invasive and often noisy because of background electrical activity in the brain. A number of alternative ... culture and shown that they can measure the electrical activity of live neurons. The technique takes ...

Quantum computing breakthrough arises from unknown molecule

... been a dream," says Gerhard Klimeck, professor of electrical and computer engineering at Purdue University and ... the quantum state with an externally applied electrical field." The discovery began when Sven Rogge ... is that it occurs as an artifact when we apply electrical current across the transistor and hence can be ...

UC San Diego nanostructures will raise thin-film solar cell efficiency

... light, University of California, San Diego electrical engineers are working toward thin-film single ... In November 2007, a team of Jacobs School electrical engineers led by professor Edward Yu won an ... Investigator on the three-year DOE grant. electrical engineering professors Paul Yu and Deli Wang are ...

Nanowires may boost solar cell efficiency, UC San Diego engineers say

... University of California, San Diego electrical engineers have created experimental solar cells ... the forward bias current which is a measure of electrical current by six to seven orders of magnitude as ... author of the NanoLetters paper, and a recent electrical engineering Ph.D. from UC San Diegos Jacobs ...

Engineers harness cell phone technology for use in medical imaging

... upon pressure waves. The researchers chose electrical impedance tomography (EIT) to demonstrate the ... upon the principle that diseased tissue transmits electrical currents differently than does healthy tissue. The difference in resistance to electrical currents is translated into an image. The ...

Researchers develop method for transmitting medical images via cell phones

... at the patient site. The researchers chose electrical impedance tomography (EIT) to demonstrate the ... upon the principle that diseased tissue transmits electrical currents differently from healthy tissue. The difference in resistance from electrical currents is translated into an image, which can ...

Carbon nanotubes made into conductive, flexible 'stained glass'

... mechanical, thermal, chemical, optical and electrical properties. Now researchers at Northwestern ... have produced carbon nanotubes with uniform electrical and optical properties. Thin films formulated ... these carbon nanotube thin films possess high electrical conductivity and mechanical flexibility. The ...

Memory in artificial atoms

... components, while the media of computing is electrical signals. The discovery of the scientists at ... says: We are the first to obtain direct electrical control of the smallest magnets in nature, one ... on the nanotube as an artificial atom. Direct electrical control over a single electron spin has been ...

U-Md. Researchers Report Advance in Biological Microfactories for Drug Research

... biomolecular engineering, materials science, and electrical and computer engineering at the University of ... researchers to manipulate substances using fluid, electrical and optical means. For instance, the researchers ... associate professor with the Clark School's electrical and computer engineering department and ISR; and ...

The future of computing -- carbon nanotubes and superconductors to replace the silicon chip

... other is needed for a specific component. These electrical properties depend on the precise arrangement of ... an individual nanotubes structure (and thus its electrical properties), and then allow it to be placed in a ... materials that conduct electricity with zero electrical resistance can harness the power of quantum ...

UM physicists show electrons can travel over 100 times faster in graphene than in silicon

... bounce off these vibrating atoms, giving rise to electrical resistance. This electrical resistance is "intrinsic" to the material: it ... fewer electrons than copper, so in graphene the electrical current is carried by only a few electrons moving ...

News from the March 2008 American Physical Society Meeting

... (Tc) superconductors - materials that conduct electrical current with no resistance below a certain ... superconductor with a particular arrangement of electrical charges known as "stripes." The finding was ... make them more practical for applications such as electrical transmission lines. "As electricity demand ...

Physicists discover gold can be magnetic on the nanoscale

... on the nanoscale. They found that applying an electrical field on a surface-supported gold nanocluster ... new and surprising, chemical, mechanical, electrical and magnetic behavior, which could not have been ... uses in nanocatalysis and as chemical and electrical sensors, Landman added. For the first study, ...

'Two-Faced' Particles Act Like Tiny Submarines

... move like stealthy submarines when an alternating electrical field is applied to liquid surrounding the ... says the micrometer-sized particles convert the electrical field into liquid motion around them and then ... powered electrodes -- not in the direction of the electrical field, as would be expected. The particles always ...
Other Contents
(Date:4/17/2014)... study suggests that fish consumption advisories for expecting ... long-lived contaminants like persistent organic pollutants (POPs). ... researchers including University of Toronto Scarborough PhD student ... how different levels of environmental contamination, a mother,s ... in the body influenced exposure in her children. ...
(Date:4/17/2014)... hundred births, Down syndrome - or trisomy 21 - ... It results from a chromosomal abnormality where cells of ... (1% of the human genome). A study conducted by ... Genetic Medicine and Development at the University of Geneva ... shed light on how the extra chromosome 21 upsets ...
(Date:4/17/2014)... in bone marrow need to produce hydrogen sulfide in ... to a new study from the Center for Craniofacial ... of USC. , Professor Songtao Shi, principal investigator on ... by the cells governs the flow of calcium ions. ... that results in osteogenesis, or the creation of new ...
Breaking Biology News(10 mins):Fish consumption advisories fail to cover all types of contaminants 2Trisomy 21: How an extra little chromosome throws the entire genome off balance 2Trisomy 21: How an extra little chromosome throws the entire genome off balance 3
(Date:4/17/2014)... California, San Diego School of Medicine report that older ... recent major loss are more likely to be compassionate ... is published in this month,s issue of the ... behaviors are associated with better health and well-being as ... to improve the outcomes of individuals whose deficits in ...
(Date:4/17/2014)... NY In a review published in the April ... president of The Feinstein Institute for Medical Research, says ... medical community,s approach to treating sepsis, which ... Americans. , Sepsis occurs when molecules released into the ... throughout the body. Inflammation is necessary for maintaining good ...
(Date:4/17/2014)... A Northwestern University synthetic biology team has created ... create programmable therapeutics that could travel the body ... disease. , Engineering cell-based, biological devices that monitor ... in clinical synthetic biology. However, no existing technology ... a patient,s physiological state and respond in a ...
(Date:4/17/2014)... MAYWOOD, Il. (April 17, 2014) Doctors who ... disease called lymphangioleiomyomatosis (LAM) can face an agonizing ... progression of the disease and help relieve shortness ... lung transplants, and sirolimus can cause potentially fatal ... said pulmonologist Dr. Daniel Dilling, medical director of ...
(Date:4/17/2014)... The cause of neuronal death in Parkinson,s disease is ... may be mistaken for foreign invaders and killed by ... autoimmune diseases like type I diabetes, celiac disease, and ... published April 16, 2014, in Nature Communications . ... in Parkinson,s disease; but if true, it could lead ...
Breaking Medicine News(10 mins):Health News:The ilk of human kindness 2Health News:Feinstein Institute researcher publishes new perspective on sepsis 2Health News:Building 'smart' cell-based therapies 2Health News:Patients with rare lung disease face agonizing treatment dilemma 2Health News:Patients with rare lung disease face agonizing treatment dilemma 3Health News:Is Parkinson's an autoimmune disease? 2
Other TagsOther Tags