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Optic in Biological News

Breakthrough optical technology to assess colon cancer risk, accuracy

... University have discovered that fiber optic technology can for the very first time ... (AGA) Institute. The study used fiber optic technology to map microvascular blood content in ... things can be measured." Researchers used the optic probe to measure oxygenated (Ohb) and ...

OSU technologies funded for development

... be a licensee. Prabhakar R. Pagilla, A Fiber optic Sensor for Measurement of Web Lateral Position ... plans to develop and commercialize a fiber optic sensing device to measure the lateral position of ... of the web lateral position. The fiber optic sensor is based on light scattering from the web ...

NYU scientists set stage for understanding how color vision is processed

... to explore how color vision is processed in the optic lobe of the fruit fly Drosophila, providing a ... of light and compare their output in the optic lobes. Morante and Desplan reconstructed the ... will help reveal the exact function of the optic lobe cells in these complex circuits and to reach ...

Cell's split personality is a major discovery into neurological diseases

... the retina which convey information from the retina to the brain along the optic nerve, and are the primary link between the retina and the brain. The ... causes vision loss in various neurodegenerative disorders including optic neuropathies. By disrupting signaling events in surrounding glial ...

deCODE discovers cause of major subtype of glaucoma

... There are various types of glaucoma, all of which lead to damage in the optic nerve and progressive loss of vision. Exfoliation glaucoma is caused by ... promote the drainage of fluids from the eye and reduce pressure on the optic nerve. However, exfoliation glaucoma is often resistant to drug treatment. ...

Colon cancer screening technique shows continued promise in new study

... proof of concept that this sort of analysis could be a minimally intrusive colon cancer screening technique. Further studies with a compatible fiber optic probe are under way for multicenter clinical validation. The work builds on previous success in using a suite of optical technologies to detect ...

Futronic Launches FS90 USB2.0 Mini Fingerprint Scanner

... software and hardware products, announces the commercial release of FS90 USB2.0 Mini Fingerprint Scanner. FS90 uses a specially designed optic system to deliver high quality image in a very small form factor. Its size is 57(L) x 29(W) x 27(H) mm and just slightly larger than one half of ...

Futronic Launches FS90 USB2.0 Mini Fingerprint Scanner

... software and hardware products, announces the commercial release of FS90 USB2.0 Mini Fingerprint Scanner. FS90 uses a specially designed optic system to deliver high quality image in a very small form factor. Its size is 57(L) x 29(W) x 27(H) mm and just slightly larger than one half of ...

Genetic sleuth solves glaucoma mystery

... Alberta medical geneticist has cracked the case of WDR36, a gene linked to glaucoma. Glaucoma is a leading cause of blindness in which cells in the optic nerve die, preventing the brain from understanding what patients see. Scientists have long suspected a link between WDR36 and glaucoma, but have been ...

Claudin 11 stops the leaks in neuronal myelin sheaths

... whether it was required for myelin to act as a good insulator. To examine this question, Devaux and Gow compared electrical recordings from the optic nerve of wild-type and claudin 11 knockout mice. They found that although claudin 11 deficiency caused no gross defects in the appearance of the ...

Supercomputer provides massive computational boost to biomedical research at TGen

... of Intel microprocessors, servers from Dell, storage from Data Direct Networks, and components from a number of other partners, including fiber optic cables from Phoenix-based Zarlink. More importantly for TGen, the new system has 20 times the previous computational power available to TGen ...

Gene therapy restores vision to mice with retinal degeneration

... in retinal ganglion cells. These specialized neurons receive light signals from the rods and cones and carry those signals into the brain via the optic nerve, which is formed from the cells' axons. Melanopsin is usually produced in a subset of cells that are involved with establishing circadian ...

LSUHSC awarded patent for compound inhibiting cancer and other diseases

... carotid obstructive disease, chronic uveitis/vitritis, mycobacterial infections, Lyme disease, systemic lupus erythematosis, psoriasis, myopia, optic pits, Stargarts disease, chronic retinal detachment, hyperviscosity syndrome, toxoplasmosis, trauma, rheumatoid arthritis, and post-laser ...

A second career for a growth factor receptor: keeping nerve axons on target

... LA JOLLA, CA Neurons constituting the optic nerve wire up to the brain in a highly dynamic way. Cell bodies in the developing retina sprout processes, called axons, which extend toward visual ...

UI and ISU establish shared DNA sequencing instrumentation

... infrastructure already is in place to take advantage of the sequencing power provided by the machines, including bioinformatics expertise and fiber optic cables between the two institutions to transfer the huge amounts of data generated by the machines. ...

NCI grant launches clinical trials for colon cancer screening

... before those changes can be seen under a microscope, and even before polyps form. The extraordinarily sensitive technique involves a simple fiber optic probe roughly the size of a pen being inserted into the rectum. Light shines on the tissue at the base of the colon, scatters and some of that light ...

Laser fluorescence could find life on Mars

... Two of the study's scientists Storrie-Lombardi and Jan-Peter Muller, of the Mullard Space Sciences Laboratory in the United Kingdom carried out the optic experiments in the laboratory and at Silver Lake, Calif., a well-known Mars analog study site. As part of their tests, they set up a rig that could ...

European light research opens door for optical storage and computing

... be targeted by making progress in a selected set of technologies, said Santagiustina. Light signals are already used for communication over fibre optic cables, but cannot yet be stored directly, or used for computation. This would require slowing down the light signals so that they can be buffered ...

'Fluorescent' cells give early warning for eye disease

... women had been recently diagnosed with pseudotumor cerebri (PTC), a condition that mimics a brain tumor and often causes increased pressure on the optic nerve that can lead to vision loss. Because each womans disease was in a very early stage, the researchers could evaluate how accurately the ...

'Twinkle after-effect' can help retinal patients detect vision loss quickly and cheaply

... because their brains automatically compensate or fill in the missing information in their visual field. Since everyone has a blind spot where the optic nerve meets the retina, this perceptual fill in process is useful for normally sighted people, allowing them a complete visual image. But this innate ...

St. Jude identifies the specific cell that causes eye cancer, disproving long-held theory

... multi-layered, membrane lining the back of the eye that responds to light by generating nerve impulses that are carried into the brain by the optic nerve. The immediate importance of the St. Jude finding is that it unexpectedly showed that retinoblastoma can arise from fully matured nerves in ...

Genetic contributions to human brain morphology and intelligence

... The results of this study indicate that genes significantly influence white matter density of the superior occipitofrontal fascicle, corpus callosum, optic radiation, and corticospinal tract, as well as gray matter density of the medial frontal, superior frontal, superior temporal, occipital, ...

UAB wins $5.7M neurofibromatosis grant

... treat human cancerous tumors associated with NF. Such tumors can grow and damage the nerve sheath, and they can appear as gliomas in and around the optic nerve. In addition to managing the NF Consortium operations center, UAB will be enrolling adults and children in NF clinical trials and ...

Adult brain can change, study confirms

... student at Johns Hopkins in senior author Michael McCloskey's lab, jumped into the fray when he found BL, a stroke patient. BL's stroke damaged the optic radiation fibers, which transmit information from the eye to the primary visual cortex, but the cortex itself remained intact. The damage eliminated ...

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

... layers remain largely intact, still capable of responding to incoming signals and transmitting output signals to the brain's visual cortex via the optic nerve. The discovery several years ago that direct electrical stimulation of retinal nerve cells in blind test subjects produced some sense of vision ...

Is there a pilot in the insect?

... "optic flow regulator" is a reflex that keeps the optic flow, and thus the speed/altitude ratio, at a ... its forward speed will be reduced. Thus its optic flow regulator will constantly force it to reduce altitude so that the optic flow always remains at the reference value. The ...

Mouse brain tumors mimic those in human genetic disorder

... NF1. First, the mice developed tumors along the optic nerve and optic chiasm, which transmit visual ... eye to the brain. This type of tumor, called an optic pathway glioma, is the most common tumor in ... to that seen in humans. Unlike most tumors, optic pathway gliomas associated with NF1 typically ...

UCF nanoparticle offers promise for treating glaucoma

... glaucoma. The disease involves abnormally high pressure of the fluid inside the eye, which, if left untreated, can result in damage to the optic nerve and vision loss. High pressure occurs, in part, because of a buildup of carbon dioxide inside the eye, and the compound blocks the enzyme that ...

UCLA study uncovers clues for why Graves' disease attacks the eyes

... the eye, causing them to protrude. In extreme cases, patients experience trouble closing their eyelids, severe double vision, corneal scarring, optic nerve damage and even blindness. Graves?disease is nine times more common in women than men. The disorder most often strikes during the ...

Transplanted photoreceptor precursor cells restore visual function in mice with retinal degeneration

... consist of rods and cones, highly specialized cells that capture light and convert it into chemical signals that travel through the inner retina and optic nerve and on to the brain where signals are converted to the images we see. In the majority of macular and retinal degenerative diseases, such as ...

Protein shown to rally biological clock

... Sciences. Neurons in the biological clock, an area called the suprachiasmatic nucleus (SCN), located at the base of the brain right across the optic nerve, keep 24-hour time and are normally highly synchronized. The SCN is composed of 10,000 neurons on one side of the hypothalamus, and 10,000 on ...

Neural stem cell gene plays crucial role in eye development

... cell types in the nervous system. In the developing eye, retinal neural stem cells differentiate to form the neurons of the adult eye and form the optic nerve. Led by Dr. Larysa H. Pevny, an assistant professor of genetics in the UNC School of Medicine, researchers discovered that expression ...

Think fast! Rice undergrad unlocks nerve speed secret

... In the second it takes you to read these words, tens of thousands of vesicles in your optic nerves are released in sequence, opening tiny surface pores to pass chemical signals to the next cell down the line, telling your brain what you're ...

AIDS-related cognitive impairment exists in two separate forms

... patients accordingly," she said. The assay they used was developed by Illumina Inc., of San Diego, which also funded this study. It uses fine optic beads and needs only tiny amount of DNA and RNA, Wang-Rodriguez said, and up to 96 different tests can be put on a single tray. "Having batches of ...

Markers of gene, protein, or micro-RNA activity predict outcome in prostate and colorectal cancers

... patients accordingly," she said. The assay they used was developed by Illumina Inc., of San Diego, which also funded this study. It uses fine optic beads and needs only tiny amount of DNA and RNA, Wang-Rodriguez said, and up to 96 different tests can be put on a single tray. "Having batches of ...

Chemical signaling helps regulate sensory map formation in the brain

... axis within the developing brain is the opposing regulating force, working along with ephrinB1 to specify the topographic target selection in the optic tectum, a brain region that processes information from the eye. At the molecular-signaling level, Wnt3 acts through two different classes of ...

Great (taste) expectations: Study shows brain anticipates taste, shifts gears

... The subjects, Nitschke explains, were asked beforehand to associate a prescribed set of cues with a taste. A "minus sign" flashed through fiber optic goggles to subjects undergoing MRI, for instance, was to be an anticipatory signal that a liquid subsequently dripped into the mouth would have a ...

UC Berkeley researchers create a biologically-inspired artificial compound eye

... in the same way as an insect's eye. While an insect's ommatidia each end in a photoreceptor cell that transmits a light signal to the creature's optic nerve, Lee plans to couple his team's ommatidia with CCD photodiodes, the light-capturing units used in digital cameras and camcorders. He also has ...

Grid bridges 4,800 miles for molecular repositories

... none are currently active, Straatsma said. The PNNL node on the BioSimGrid coincided with the lighting of a new high-speed, high-capacity fiber optic connection between PNNL's campus in Richland, Wash., and Seattle. This connection made it possible for the laboratory to accept the BioSimGrid ...
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(Date:7/10/2014)... July 2, 2014  Unisys Corporation,s (NYSE: UIS ... Nederland N.V., today announced that it has been selected by ... manage a new Basic Provision Biometrics solution for penitentiaries across ... won the contract with a solution based on its open ... term of the contract is up to seven years, with ...
(Date:7/10/2014)... , July 3, 2014 Research ... addition of the "Global Gesture Recognition & ... - Forecasts to 2020" report to their ... Global Gesture Recognition & Touch-Less Sensing Market ... around for a while, but the companies were ...
(Date:7/10/2014)... 2014  Acuity Market Intelligence today released forecasts from "The ... that the global market for National Electronic ID (eID) programs ... During this time, the number of National eID cards in ... Asia , with its vast population, will dominate ... issued, while Europe trails a distant ...
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