Tiny tango: Device sorts microscopic particles with speed and precision
...d biologists, Princeton scientists have invented a device that rapidly sorts microscopic particles into extr...ial uses. The researchers have used the device to sort particles ranging in size from bacterial cells to large segments of DNA and reported their r...NASA researchers customize 'lab-on-a-chip' technology
...results in a short time, with a hand-held portable device containing a simple chip design. "NASA requires c... in Antarctica, or on Mars -- they need a handheld device or something that can fit on a small robot," Steele explains. "We also need to be able to analyze t...... of single photons, and a prototype quantum memory device are among the highlights of a talk focusing on photon-based quantum information processing. Devices such as these are vital in the development of optical quantum computers, which could dramatically outperform conventional computer architecture. (Pape...BioCDS could hit No. 1 on doctors' charts
...merely digital, screening tool. "Physicians need a device that measures the concentration of proteins, not merely their presence or absence," he said. "Because many detector molecules can theoretically be deposited on the surface of each pit, the CDs should measure concentrations with high sensitivity. If t...Labs-on-a-chip to detect milk contamination
...rmed in the device," the researchers reported. The device needs no power supply and uses no electronic parts. A blood sample is placed in a chamber on the chip and then the test set into motion by squeezing the chamber. Positive results appear as a color change visible to the naked eye. The current researc...Scripps scientists look deep inside sharks and their high-performance swimming system
...rks in a swim tunnel (see video). They also used a device called a sonomicrometer to precisely record muscle shortening and lengthening during swimming activity. And they used an array of computer-based techniques to explore the three-dimensional characteristics of shark tendons and how they connect to musc...Recognition of bacteria in the cytosol by the immune system
... the proteasome, essentially a molecular shredding device inside mammalian cells. These findings suggest that bacterial proteins are being destroyed by the proteasome within the cytosol during infection, and that this may play a key role in activation of the immune system. A surprising result came when Salm...Brace therapy for osteoarthrisis, legal issues in TBI research, prosthetic fitting
...on loss. The VA LV VFQ-48 also measures prosthetic device effectiveness. Potentially, physicians and rehabilitation specialists could use the VA LV VFQ-48 to assess their patients' needs before entering a low-vision or blind rehabilitation program....NASA-inspired technology may help preserve women's future fertility after cancer treatment
...ulty member. "Test tubes are housed in an orbiting device designed to gently agitate a special growth medium just enough to prevent follicles from settling on the surface to keep them surrounded by fluid," added Dr. McGee, who also is an assistant investigator at Pittsburgh's Magee-Womens Research Institut...University of Pittsburgh receives NIH funding to develop heart assist device for infants
...ung, and Blood Institute to develop a heart assist device for infants. Working with Children's Hospital of P...earchers envision the pediatric ventricular assist device (PVAD) to be about the size of a quarter, with features designed to meet the special needs of patien...Researchers find evidence that sea turtles navigate with magnetic maps
...aced in a cloth harness and tethered to a tracking device in the pool of water inside the magnetic coil. "Half of the turtles swam in a magnetic field that exists at a location about 350 kilometers north of where they actually were, she said. "The other half swam in a field that exists at an equivalent dist...Experimental smallpox DNA vaccine protects primates from lethal monkeypox
...the cells of a vaccine recipient, using a harmless device called a "gene gun," the cloned gene is expressed and presented to the immune system, which begins to produce protective antibodies against the virus. Following challenge with a lethal dose of monkeypox virus, the four groups of animals were closely ...Controlling biomolecules with magnetic 'tweezers'
...lied Physics Letters, the chip-scale, microfluidic device works in conjunction with a magnetic force microsc...ndividual biomolecules such as strands of DNA. The device should help scientists study folding patterns and other biochemical details important in medical, fo......r protein chips, the number of potential tests per device couldbe hugely increased....Bioreactor boosts chemical fermentation by 50 percent: study
COLUMBUS, Ohio A device invented at Ohio State University has dramatically...l additives employed in industry. The device also reduced the amount of two unwanted byproducts that normally result from propionic acid fermenta...Method produces uniform, self-assembled nanocells
...method uses micrometer-size channels etched into a device to produce self-assembled liposomes of specific sizes from as large as about 240 nanometers (nm) to as small as about 100 nm. A stream of natural fats (lipids) dissolved in alcohol is directed at an intersection of two channels that looks like a micr...Device detects, traps and deactivates airborne viruses and bacteria
...St. Louis with his doctoral student has patented a device for trapping and deactivating microbial particles....x virus. "When the aerosol particles come into the device they are charged and trapped in an electrical field," Biswas explained. "Any organic material is ox...Design of composite materials that detect terahertz discovered
...vides a new foundation for materials selection and device design, and we think it has the potential to enable an entirely new array of applications." The original idea for left-handed composites came from Smith, building on the work of John Pendry, coauthor and professor of physics at Imperial College, Lond...Rice bioengineer wins international design contest
...eering and bioscience field at Rice." Liebschner's device uses acoustic waves to measure the structural integrity of bone. This offers advantages over existing radiological diagnostics that are used to measure bone density because it measures the actual structural integrity of the bone rather than a two-dim......micrometers thick and when fully integrated with a device have energy and power densities surpassing other b...uss Miller. The lab-on a-chip is a microfabricated device that performs chemical and biochemical procedures under computer control, using miniscule quantities...