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Diffusion in Medical News

Heavy marijuana use may damage developing brain in teens, young adults

... leader Manzar Ashtari, Ph.D., director of the diffusion Image Analysis and Brain Morphometry Laboratory ... a type of magnetic resonance imaging scan called diffusion tensor imaging (DTI) that measures water movement ... brain tissues. "The abnormal patterns of water diffusion that we found among the young men with histories ...

MRI scans can predict effects of MS flare-ups on optic nerve

... that an approach known as magnetic resonance diffusion tensor imaging (DTI) allowed them to estimate ... uses a rapid series of MRI scans to track water diffusion in tissue. Noting that inflammation and the cell damage it causes would likely alter water diffusion in the affected tissues, Naismith and his ...

Measuring medicine: How new technologies could help doctors predict patient outcomes

... prospective study evaluating the functional diffusion map (fDM) as an early imaging biomarker for ... LB248 Researchers have found that functional diffusion mapping (fDM), which assesses early changes in tumors by diffusion MRI, can provide an earlier assessment of ...

Novel MRI Technique Shows Secondhand Smoke Damages Lungs

... level of exposure to secondhand smoke. Helium-3 diffusion MRI differs from conventional MRI in that ... prolonged exposure to cigarette smoke. Helium-3 diffusion MRI identifies this damage by measuring the ... G.D. Cates, Ph.D. AT A GLANCE -- Helium-3 diffusion MRI shows lung damage caused by secondhand ...

Novel MRI technique shows secondhand smoke damages lungs

... colleagues used long-time-scale, global helium-3 diffusion magnetic resonance imaging (MRI) to study the ... of exposure to secondhand smoke. Helium-3 diffusion MRI differs from conventional MRI in that the ... prolonged exposure to cigarette smoke. Helium-3 diffusion MRI identifies this damage by measuring the ...

Imaging shows structural changes in mild traumatic brain injury

... Researchers report that diffusion tensor imaging can identify structural changes in ... -- there were structural deficits." diffusion tensor imaging uses magnetic resonance imaging ... to severe) and 18 healthy volunteers underwent diffusion tensor imaging and neuropsychological testing to ...

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Diffusion in Medical Technology

Heavy Marijuana Use May Damage Developing Brain in Teens, Young Adults

... leader Manzar Ashtari, Ph.D., director of the diffusion Image Analysis and Brain Morphometry Laboratory ... a type of magnetic resonance imaging scan called diffusion tensor imaging (DTI) that measures water movement ... brain tissues. "The abnormal patterns of water diffusion that we found among the young men with histories ...

Diffusion Pharmaceuticals Announces Initiation of a Phase I/II Clinical Trial in Patients with Peripheral Arterial Disease (PAD)

... CHARLOTTESVILLE, Va., Sept. 3 /PRNewswire/ -- diffusion Pharmaceuticals LLC, a clinical-stage ... novel mechanism of action, TSC enhances the diffusion of oxygen through blood plasma, increasing the ... a treatment for PAD is premised on enhancing the diffusion of oxygen through blood plasma to alleviate the ...

Tiny Cup Attached to Eye Improves Drug Delivery For Retinal Diseases

... or covering of the eyeball, to the sclera -- the fibrous, protective outer layer of the eye. The tiny cup administers the drug slowly by passive diffusion through the sclera, where it reaches the retina and vitreous. The device is so small the patient should feel little or no discomfort and it does not ...

AFRESA(R) Phase 3 Pulmonary Function Safety Data in Patients with Diabetes Presented at ADA

... ml/year). Secondary endpoints included change from baseline in other PFT parameters (forced vital capacity, total lung capacity, and carbon monoxide diffusion test). Consistent with the normal course of aging, PFTs declined in all groups, including the nondiabetic group. Based on the predefined ...

10-State Project to Study Methods to Reduce Central Line-Associated Bloodstream Infections in Hospital ICUs

... and Networks initiative, an implementation model of field-based research designed to promote innovation in health care delivery by accelerating the diffusion of research into practice. For more information on AHRQ's patient safety research, visit http://www.ahrq.gov/qual/errorsix.htm . A number of ...

Novexel to Present Five Posters at the Joint Annual Interscience Conference on Antimicrobial Agents and Chemotherapy and the Infectious Disease Society of America (ICAAC/IDSA) Meeting

... of the inhibitor (NXL104) that suppresses beta-lactamase activity. (Poster A-023). A second poster describes the use of a ceftazidime/NXL104 disk diffusion assay for the detection and identification of the Klebsiella pneumoniae carbapenemase enzyme (KPC) in Enterobacteriaceae (Poster D-291b). The third ...
Diffusion in Medical Products

Biotrace Sterile Barium Sulfate USP

Description:... medical professionals who administer bone cement via minimally invasive surgery. Comprised of a uniform particle size, Biotrace provides an even diffusion of sterile barium, resulting in a consistent visualization of bone cement placement under fluoroscopic guidance. Biotrace is the leading bone ...
Company:Bryan Corporation

Criterion™ II Urine Analyzer

Description:... absorbent pads underlying the reagent pad held in place by a mesh laminate overlay, rather than adhesive. This facilitates absorbency and rapid diffusion of the sample, prevents chemical runover onto adjacent strips, and provides easy-to-read, uniform, distinct color ....
Company:Roche Diagnostics

Qflow 400 (Research Model)

Description:... measures focal tissue perfusion in absolute units continuously in real-time. This precision instrument activates the minimally invasive Thermal diffusion Probe (TDP), which is connected by an umbilical cord to collect the data, convert it to digital form and send the data to a host PC via serial port ...
Company:Hemedex, Inc.

Vitrasert Sterile Intraviteral Implant

Description:... embedded in a polymer-based system that slowly releases the drug. The implant, surgically placed in the posterior segment of the eye, allows diffusion of the drug locally to the site of infection over an extended period of ....
Company:Bausch & Lomb Storz

1000-90 Mid Range Power Supplies - Designed for Maximum Versatility

Features:... provide the operator with the option of applying a small voltage to the gel at the end of a timed experiment. This holding voltage minimizes sample diffusion prior to the disassembly of the electrophoresis apparatus. ...
Company:ThermoFisher Scientific

570-90 Mid Range Power Supplies

Features:... provide the operator with the option of applying a small voltage to the gel at the end of a timed experiment. This holding voltage minimizes sample diffusion prior to the disassembly of the electrophoresis apparatus. ...
Company:ThermoFisher Scientific
Diffusion in Medical Definition

Cryostasis (clathrate hydrates)

... form a hydrate under some pressure-temperature conditions. [6] Live biological tissues can be saturated with the clathrate-forming gas(es) by diffusion or perfusion at the appropriate pressure in the range 1–50 bars at a temperature above clathrate-forming temperature. After saturation, the ...

Medical procedure

... Aortography Retinal angiography Abreugraphy Magnetic resonance imaging Diffuse optical imaging Diffusion-weighted imaging diffusion tensor imaging Functional magnetic resonance imaging Computed tomography Corneal topography Positron emission tomography ...
Diffusion in Medical Dictionary

Alveoli

... passages. These airway s end at small sacs called alveoli . Gas diffusion tests measure the amount of oxygen and other gases that cross the lungs ... how well gases are being absorbed into your blood from your lungs . Gas diffusion tests include: ... ALVEOLUS: A small cavity or socket. Pulmonary ...

Carbon monoxide

... shrubbery too close and dense around a house are unhealthful; for they prevent a free circulation of air, and shut out the rays of the sun. The diffusion capacity is measured when a person breathes carbon monoxide for a very short time, often one breath. The concentration of carbon monoxide in ...

Pulmonary Fibrosis

... a group of pulmonary disorders (lower respiratory tract) that leads to a functional loss in the alveolar air sacs and a compromise in the diffusion of oxygen from air to blood . Alternate Names : Idiopathic Interstitial Pneumonitis - from Asbestos Exposure, Pulmonary Fibrosis - from ...
Diffusion in Biological News

Prenatal meth exposure linked to abnormal brain development

... children of the same ages. The MRI scans used diffusion tensor imaging to help measure the diffusion of molecules in a child's brain, which can ... meth exposure had up to four percent lower diffusion of molecules in the white matter of their brains. ...

Abnormal brain circuits may prevent movement disorder

... the study published in the Journal of Neuroscience , said that they used diffusion tensor imaging a type of magnetic resonance imaging (MRI) that measures ... The puzzle was why. In the latest study, the new advances in diffusion imaging allowed them to see something for the first time. They saw that ...

'Microfluidic palette' may paint clearer picture of biological processes

... mix fluids more actively, by pumps and the circulation of currents. diffusion gradients allow cells being studied to remain in the microchamber without the chance of their being swept away. diffusion also permits chemical molecules to move in and out of the cells naturally ...

International prize for Nottingham spine research

... paper, entitled What influence does sustained mechanical load have on diffusion of small solutes in the human intervertebral discs, was recognised when ... They found that the molecule moved across the discs in two ways; by diffusion or by being swept through the disc as water moved in and out of it. As ...

Strange travels

... of contaminant traps. The second paper is devoted to the analysis of diffusion in heterogeneous media with sharply contrasting properties; the authors ... the medium. In the fourth paper, the authors develop a model of anomalous diffusion to simulate solute transport in highly heterogeneous media, and the new ...

Researcher helping to pioneer medical therapy for Fragile X Syndrome presents latest findings

... risk for FXTAS using a state-of-the-art imaging technique called diffusion tensor imaging. Schedule of scientific and family friendly sessions led ... presentations: FXTAS (Fragile X-Associated Tremor/Ataxia Syndrome) diffusion Tensor Imaging in Male FMR1 Premutation Carriers With and Without FXTAS, ...

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Diffusion in Biological Technology

Diffusion Pharmaceuticals Announces Completion of a $2.9 Million Private Placement and Company Presentations at Upcoming Industry Conferences in Geneva, Switzerland and Naples, Florida

... CHARLOTTESVILLE, Va., Feb. 6 /PRNewswire/ -- diffusion Pharmaceuticals LLC, a clinical-stage drug ... David G. Kalergis, Chief Executive Officer of diffusion Pharmaceuticals, will be presenting at two ... ) To date, diffusion Pharmaceuticals has raised $13.1 million in ...

New map IDs the core of the human brain

... researchers led by Hagmann used state-of-the-art diffusion MRI technology, which is a non-invasive scanning ... trajectories based on gradient maps of the diffusion of water molecules through brain tissue. A highly sensitive variant of the method, called diffusion spectrum imaging (DSI), can depict the ...

Diffusion Pharmaceuticals Announces Addition of Mark T. Giles to its Board of Directors

... CHARLOTTESVILLE, Va., June 10 /PRNewswire/ -- diffusion Pharmaceuticals LLC, a clinical-stage ... of private capital. In addition to VNB and diffusion Pharmaceuticals LLC, Mr. Giles is a director of ... and financial leadership capabilities." About diffusion Pharmaceuticals LLC ...

Diffusion Pharmaceuticals Announces Issuance of U.S. Patent No. 7351844, Titled 'Bipolar Trans Carotenoid Salts and Their Uses,' for Its Family of First-In-Class Molecules

... in major international markets. About diffusion Pharmaceuticals LLC diffusion Pharmaceuticals LLC is a clinical-stage ... use a novel method of action to enhance oxygen diffusion to oxygen deprived (hypoxic) tissue. Potential ...

Co-Inventor of Amgen's Aranesp(R) Technology Directs Worldwide Patent Strategy for Diffusion Pharmaceuticals' First-in-Class Oxygen Enhancing Therapeutics

... CHARLOTTESVILLE, Va., Dec. 21 /PRNewswire/ -- diffusion Pharmaceuticals LLC, a clinical stage ... No. 7,217,689). Mr. Byrne, who is an Officer of diffusion Pharmaceuticals and a member of its Board of ... Chief Executive Officer. About diffusion Pharmaceuticals LLC ...

NIST/NIH micromagnets show promise as colorful 'smart tags' for magnetic resonance imaging

... used to create images. The open sandwich design allows the movement or diffusion of water through the micromagnet, producing a signal that may be thousands ... that produced by a similarly sized, but stationary, volume of water. The diffusion effectively increases local MRI sensitivity, which in a future clinical ...

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Diffusion in Biological Products

Mid Range Power Supply from Thermo Scientific

Description:... been reached. A dual function 100 hour time is standard and can be set to automatically end a run. Users can set a holding voltage to prevent sample diffusion at the end of a run.The EC135-90 is backed by Thermo EC's premier 4 year ....
Company:Thermo Scientific

EC570-90 Power Supply from Thermo Scientific

Description:... end a run and wil automatically accrue elapsed time when operated in the passive mode. Holding voltage can also be set to prevent sample diffusion prior to disassembly of the apparatus. The EC570-90 is backed by Thermo EC's premier 4 year ....
Company:Thermo Scientific
Diffusion in Biological Definition

Culture

... "borrowing" (really, learning) from one another ( diffusion (anthropology) or transculturation ). Under ... cultural artifacts on another ( acculturation ). diffusion of innovations theory presents a research-based ... or on a larger scale, acculturation . In diffusion (anthropology) , the form of something moves from ...

Diffusion

... of diffusion. For alternative meanings, see diffusion (disambiguation) . diffusion is the spontaneous spreading of something such ... chimney dissipates into the air. In these cases, diffusion is the result of turbulent fluid motion rather ...

Facilitated diffusion

... Facilitated diffusion ( facilitated transport ) is a process of passive transport ( diffusion ) via which molecules diffuse across ... In contrast to active transport , facilitated diffusion does not require energy and carries molecules or ...

Fick's law of diffusion

... Fick's laws of diffusion describe diffusion . Contents showTocToggle("show","hide") ... 6 References History Fick's laws of diffusion were derived by Adolf Fick in the year 1858 . ...

Magnetic resonance imaging

... Safety 2.2 Specialised MRI scans 2.2.1 diffusion MRI 2.2.2 Magnetic resonance angiography ... expanded in 2004. Specialised MRI scans diffusion MRI diffusion MRI measures ...

Osmosis

... Osmosis is the diffusion of a solvent through a semipermeable membrane ... a driving force and it is this force which drives diffusion of water through the semipermeable membrane. ... See also osmosis demonstration diffusion Active transport Reverse osmosis ...

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Diffusion in Biological Dictionary

Passive transport

... transport or passive transport to ... diffusion is the tendency of molecules to spread into an available space. The diffusion of substances across a membrane is called ... ... Passive Transport ... Passive ... diffusion is a means of passive transport . ... Channel ...

Facilitated diffusion

... Facilitated diffusion is a process of diffusion , a form of passive transport facilitated by transport proteins. Facilitated diffusion is the spontaneous passage of molecules or ions ...

Diffusion

... Molecular diffusion , often called simply diffusion , is a net transport of molecules from a region ... by random molecular motion. The result of diffusion is a gradual ... ...

Concentration gradient

... of a solute throughout the solvent diffusion is the net movement down the concentration gradient . diffusion ... Concentration gradient : is a regular ... gradient . Cotransport. Diffusion. diffusion across membrane ... A concentration ...

Chemiosmosis

... Chemiosmosis is the diffusion of ions across a selectively-permeable membrane. ... cell to ... Chemiosmosis is the process of diffusion of ions (usually H+ ions, also known as ... As ... of the diffusing ... Chemiosmosis is the diffusion of ions across a membrane. ... The generation of ...

Osmosis

... Osmosis is the diffusion of water through a semi-permeable membrane, from a low concentrate ... up a solute concentration gradient. The simplest definition is that it is diffusion ... Reverse osmosis is a filtration process that is often used for ...

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Other Contents
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(Date:12/19/2014)... --  LaunchKey , the first decentralized mobile authentication and ... Things era, today announced the close of $3 million ... by Metamorphic Ventures with participation from ENIAC Ventures, Crosslink ... LaunchKey has raised $4 million to date, and will ... bring LaunchKey to market in 2015. LaunchKey ...
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