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Optical in Biological News

DOE-funded research projects win 46 R&D 100 Awards for 2009

... improves a camera's output. When combined with an optical streak camera, the system achieves a 20-fold ... Testing Technology and the Institute of Laser optical Technology) Power Plain UX Microbattery is ... Platform The ultra-small components enable optical data transmission and routing on a silicon ...

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

... light may not be science fiction after all. A new optical technology that lines up living cells and ... of Central Florida in Orlando have developed an optical procedure that does not harm cells, but affects ... Dogariu and colleagues use the polarization of optical waves to create a field around the cells in which ...

Researchers 'unzip' molecules to measure interactions keeping DNA packed in cells

... DNA double helix through a nucleosome using an optical trap -- a technique developed in Wang's lab -- ... proteins can invade the nucleosome," Wang said. optical trapping involves a focused beam of light that ... is chemically attached to the DNA strand, and the optical trap moves the sphere, allowing the researchers ...

Luminescence shines new light on proteins

... A chance discovery by a team of scientists using optical probes means that changes in cells in the human ... changes in the way that light was emitted by optical probes during a series of experiments. Light ... carries information and the researchers used the optical probes to measure the behaviour of light and its ...

OSA's ISP launches with research on breathing disorders and congenital heart defects

... Australia, are announcing the development of new optical techniques for visualizing the invisible ... published results are the first to showcase the optical Society's (OSA) Interactive Science Publishing ... OSA's open-access journal, and in Journal of the optical Society of America A (JOSA A), one of these ...

Gold nanostars outshine the competition

... (SERS) to demonstrate that gold nanostars exhibit optical qualities that make them superior for chemical ... in a solution. The NIST team tested the optical properties of the nanostars using two target ... can now be created en masse and have desirable optical properties should prompt researchers to examine ...

Where optics meets medicine

... Optics 2008 (FiO), the 92nd Annual Meeting of the optical Society (OSA), being held Oct. 19-23 at the ... of Alzheimer's Disease Potential Non-Invasive optical Detection of Pancreatic Cancer A NEW LOOK AT ... have also been implicated in the disease. New optical techniques may allow the link between altered ...

Frost & Sullivan Recognizes AOptix Technologies for its Pioneering Contribution to Security through Noninvasive Biometrics

... used in astronomy for real-time correction of optical abnormalities resulting from ... allows for correction of both simple and complex optical distortions, thus enhancing spatial resolution of ... It is involved in developing advanced optical solutions to serve the needs of both government ...

New technique sees into tissue at greater depth, resolution

... bioengineers combined tightly focused heat with optical coherence tomography (OCT), which has often been called the optical equivalent of ultrasound. OCT is commonly used in ... and sizes, coupled with the ability to 'tune" the optical wavelength of the OCT, we can customize our ...

Using live fish, new tool a sentinel for environmental contamination

... researchers first manually positioned a tiny optical electrode, or optrode just outside individual ... substance coated the electrode tip, its optical properties varying predictably with oxygen ... respiration in a sensitive life-stage and the optical equipment doesn't consume oxygen or require the ...

Nanojewels made easy

... of various colors that display different optical properties. "These nanojewels can potentially ... crystals to fabricate light-emitting diodes, optical fibers for communications, submicroscopic lasers, ultrawhite pigments, antennas and reflectors, and optical integrated circuits. The biggest stumbling ...

Scientists demonstrate the sharpest measurement of ice crystals in clouds

... in Optics Letters, a journal published by the optical Society. The data produced using this instrument ... University in the United States have developed an optical scattering instrument that can evaluate the size ... scientist Paul Kaye. "We believe that this optical scattering instrument could help climate modelers ...

Multitasking nanotechnology

... molecule behaves as an electroactive switch with optical and magnetic response. Tiny electronically ... always have the potential to be exploited in optical electronics devices. Just as importantly, PTM ... chemical and electrochemical redox switches with optical and magnetic responses." Mas-Torrent and her ...

Synergy between biology and physics drives cell-imaging technology

... the University of Nottingham, Michael Somekh, an optical engineer at Nottinghams Institute of Biophysics, Imaging & optical Science, and William Barnes, professor of ... such as fluorescence microscopy, whereby optical microscopes are used to observe biological ...

The photonic beetle

... visible light, impeding the dream of ultrafast optical computers. But now, University of Utah chemists ... seeking photonic crystals as they aim to develop optical computers that run on light (photons) instead of ... years away is an ultrahigh-speed computer with optical integrated circuits or chips that run on light ...

Spin control: New technique sorts nanotubes by length

... have unique combinations of thermal, mechanical, optical and electronic properties that suggest a wide ... obviously need to fit in place, and in optical applications, a nanotubes length determines how ... or emit light (see Longer is Better for Nanotube optical Properties.) In 2006, researchers found that ...

Crystal (eye) ball: Study says visual system equipped with 'future seeing powers'

... see in Psychology 101 classes or in entertaining optical illusion books. To picture one, think of the ... to bow out away from the vanishing point. The optical illusion occurs because our brains are predicting ... and among seven rows based on the different optical features that occur when an observer is moving ...

Magnet Lab researchers make observing cell functions easier

... new techniques and tools. Scientists in the optical Microscopy group at the National High Magnetic ... cell, said Davidson, who directs the magnet labs optical Microscopy program. With FRET, we can see that ... Further expanding the capabilities of optical microscopy, Davidson and his team worked with ...

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

... (PhAST). The meeting is co-sponsored by the optical Society (OSA), the American Physical Society ... the brain. A number of alternative approaches use optical probes that can detect neuronal activity with ... University have created a new type of dye-free optical probe that can directly sense naturally occurring ...

Findings a step toward making new optical materials

... way of making diamondlike crystals to improve optical communications and other technologies. The ... growing three-dimensional crystals for use in optical technologies, said You-Yeon Won, an assistant ... form "micro lenses" to improve the performance of optical equipment, such as cameras and scientific ...

Engineers demonstrate a new type of optical tweezer

... Sciences (SEAS) demonstrated a new type of optical tweezer with the potential to make biological and ... device. "The microfabricated nature of the new optical tweezer offers an important advantage over conventional optical tweezers based on microscope objective lenses," ...

Rice scientists make breakthrough in single-molecule sensing

... demonstrated a means of simultaneously making optical and electronic measurements of the same molecule. ... researchers to identify the molecule by a unique optical fingerprint. "We can mass-produce these in ... While scientists have used electronic and optical instruments to measure single molecules before, ...

Looking through the eyes of a mouse, scientists monitor circulating cells in its bloodstream

... Harvard Medical School (HMS) have developed an optical device that allows them to peer through the eyes ... of the journal Optics Letters, published by the optical Society of America, the team describes how they ... better drugs and treatment strategies. The new optical device may become a valuable tool because it ...

New technique captures chemical reactions in a single living cell at unprecedented resolution

... this challenge by improving upon conventional optical absorption spectroscopy, a technique by which ... cell metabolism and cell death that has several optical absorption peaks of around 550 nanometers. The ... molecules, such as oxygen. "For conventional optical absorption spectroscopy to work, a relatively ...

MIT develops 'tractor beam' for cells, more

... world of microchip design and manufacturing. optical tweezers, as the technology is known, represent ... you could merge everything people are doing with optical trapping with all the exciting things you can do ... precise measurements of a cell's position. optical tweezers use the tiny force of a beam of light ...

New technique reveals subtle force-induced changes in biomolecule's conformation

... combines the exquisite force control of an optical trap and the precise measurement capabilities of ... determine the motion of the molecule. With the optical trap, a focused laser beam locks onto a ... to one end of the molecule to be studied. The optical trap can then pull on the molecule like a pair of ...

Silicon Valley Technology Leaders LaserCard Corporation and Tesla Motors Sign LaserPass Secure Access Deal

... announce the successful implementation of an optical memory card-based LaserPass Secure Access System ... solutions, manufactures and markets LaserCard(R) optical memory cards, LaserPASS(TM) Optical/RFID cards ... identification. In addition, the Company provides optical card read/write ...

LaserCard Corporation Announces Expansion of Middle East Project

... system which will personalize the smart chip, the optical memory and the eye-readable data of this ... purchase order for the supply of chip-ready optical memory cards, which include high ... solutions, manufactures and markets LaserCard(R) optical memory cards, LaserPASS(TM) Optical/RFID cards ...

Restoring sight, advances in fertility treatments and better visibility for pilots at FIO

... Optics 2007 (FiO), the 91st Annual Meeting of the optical Society of America, will be held from Sept. 16-20 ... with Light Gigantic Photoresponse Can Speed Up optical Switches for Faster Internet Speeds Explaining ... Malaria") Gigantic Photoresponse Can Speed Up optical Switches for Faster Internet Speeds New research ...

All-in-1 nanoparticle: A Swiss Army knife for nanomedicine

... is 1-millionth of a centimeter). At this tiny scale, quantum dots' unique optical properties cause them to emit light of different colors depending on their ... a thin gold shell held at 3 nanometers distance, so the two components' optical and electrical fields do not interfere with one another. The quantum dot ...

What scientists know about jewel beetle shimmer

... stunning how similar the two things are," said Srinivasarao. Miniature optical devices and photonics such as those envisioned for microlasers and ... absorption. Srinivasarao says he doesn't completely understand all the optical properties and behavior of light as it interacts with the beetle's ...

New windows opened on cell-to-cell interactions

... placed on a silicon wafer that acts like a mirror, allowing precise optical measurements of the orientation of the molecule. Electron microscopy ... the orientation of the brush-like forest through either chemical or optical measures to, in turn, control cell interaction. Such control of ...

Colon cancer screening technique shows continued promise in new study

... than a colonoscopy in screening for colon cancer. The technique uses optical technology, called low-coherence enhanced backscattering (LEBS) ... validation. The work builds on previous success in using a suite of optical technologies to detect both colon and pancreatic cancer. ...

SRI International announces findings from new upper atmospheric radar system for scientific research

... Alaska deployment of AMISR (known as PFISR). The article, "Coordinated optical and Radar Image Measurements of Noctilucent Clouds and Polar Mesospheric ... of the common horizontal and vertical structures of radar and optical mesospheric clouds. These are the highest altitude clouds, which form in ...

Nanoneedle is small in size, but huge in applications

... the nanoneedle can also be used as an electrochemical probe and as an optical biosensor. "Nanoneedle-based delivery is a powerful new tool for ... Systems. "Nanoneedles can be used as electrochemical probes and as optical biosensors to study cellular environments, stimulate certain types of ...

Bird feathers produce color through structure similar to beer foam

... the finding. "We have found that nature elegantly self assembles intricate optical structures in bird feathers. We are now mimicking this approach to make a new generation of optical materials in the lab," said Dufresne, assistant professor of mechanical ...

Distinguishing single cells with nothing but light

... Researchers at the University of Rochester have developed a novel optical technique that permits rapid analysis of single human immune cells using ... chemical and structural information by combining two previously distinct optical techniques, according to senior author Andrew Berger, associate professor ...

New 'pollution radar' developed to provide unprecedented picture of urban smog

... larger in size. Its compact size, achieved through the use of a novel optical design, means that the costs of manufacture, platform development and ... being constructed and configured for use as a ground-based Differential optical Absorption Spectroscopy (DOAS) system by the University of Leicester, in ...

Penn research team tests bedside monitoring of brain blood flow and metabolism in stroke victims

... team has completed the first successful demonstration of a noninvasive optical device to monitor cerebral blood flow in patients with acute stroke, a ... percent of health-care costs. The device being developed uses embedded optical probes that are placed over major cortical blood vessels in each ...

Vanderbilt scientists invent world's smallest periscopes

... objects. When a cell is placed in such a well and viewed with a regular optical microscope, the researcher can see several sides simultaneously. "This ... the micropyramids also have a major advantage for single molecule studies. optical noise is a constant problem when working at the low light levels involved. ...
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(Date:9/30/2014)... the environmental effects of moorland burning is published today ... with the aim of relieving tensions on both sides ... EMBER (Effects of Moorland Burning on the Ecohydrology of ... moorland, which is practised predominantly to support red grouse ... peat hydrology, peat chemistry and physical properties, river water ...
(Date:9/30/2014)... have in common? Unlike most eukaryotic multicellular organisms ... these organisms are all polyploid, meaning they have three ... 3 and 4 sets of chromosomes, respectively, and strawberries ... fact most plant species are polyploid. Polyploidy, or genome ... only recently, with the development of molecular tools, has ...
(Date:9/30/2014)... team of environmental scientists and engineers, led by ... a three-year, $5.25 million grant from the U.S. ... Research to make a direct positive impact on ... and disposal of radioactive contaminants. , "Understanding the ... dealing with environmental aspects of nuclear technologies is ...
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