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Photon in Medical News

High Calcium Level in Arteries May Signal Serious Heart Attack Risk

...uced and may lead to arrhythmia, heart attack or heart failure. Single photon emission computed tomography (SPECT) myocardial perfusion imaging is a nucl...eath in the U.S.   Combining calcium scoring with single photon emission computed tomography (SPECT) can help to identify patients with CAD...

High calcium level in arteries may signal serious heart attack risk

...en plaque builds up in the coronary arteries, blood flow to the heart is reduced and may lead to arrhythmia, heart attack or heart failure. Single photon emission computed tomography (SPECT) myocardial perfusion imaging is a nuclear medicine diagnostic procedure that provides excellent three-dimensional...

Breast cancer research highlights from the American Association of Physicists in Medicine meeting in Anaheim, July 26-30

... Imaging of the Breast" is at 10:30 a.m. on Tuesday, July 28 in room 210A. See: http://www.aapm.org/meetings/09AM/PRAbs.asp?mid=42&aid=11931 photon COUNTING When women have routine mammograms to screen for breast cancer, their doctors and health care providers use X-rays to detect tumor masses...

Brookhaven Lab and Hybridyne Imaging Technologies Inc., win R&D 100 award

...r confirming a diagnosis of prostate cancer include conventional nuclear medical imaging techniques, such as positron emission spectroscopy and single photon emission computed tomography. However, the current imaging methods have limitations. Benign and cancerous tumors cannot easily be distinguished by ...

SPECT provides high-quality images of small tumors

... TORONTOA new study shows that combining high resolution and high sensitivity collimation provides better quality images when using single photon emission computed tomography (SPECT) scans, said researchers at SNM's 56th Annual Meeting. Collimatorsdevices that filter a stream of rays so that onl...

Of body and mind, and deep meditation

...oups experienced some benefit from the training, those in IBMT showed dramatic differences based on brain-imaging and physiological testing. Single photon emission computed tomography (SPECT) -- a scanning method less distracting than functional magnetic resonance imaging (fMRI) -- showed IBMT subjects h...
Photon in Medical Technology

Alseres Pharmaceuticals Completes Enrollment in First Stage of the Altropane(R) POET-2 Phase III Program

...hat specifically binds to the dopamine transporter (DAT) protein found on the surface of dopamine-producing neurons, making it visible during Single photon Emission Computed Tomography or "SPECT" imaging. Since most forms of Parkinsonian Syndromes result in a decreased number of dopamine-producing cells,...

Phase II Data on Lilly's Antibody Show It Affects Amyloid Beta, a Protein Believed To Be Associated with Alzheimer's Disease

...essments included magnetic resonance imaging (MRI) and cerebrospinal fluid examinations. A sub-study of 24 patients and 13 volunteers underwent single photon emission tomography (SPECT) scanning using an experimental tracer to assess levels of amyloid beta plaque in the brain. The interim analysis showed ...

Alseres Pharmaceuticals Expands Sites for the First Stage of the ALTROPANE(R) Phase III Clinical Trial Program

... that specifically binds to the dopamine transporter (DAT) protein found on the surface of dopamine-producing neurons, making it visible during Single photon Emission Computed Tomography or "SPECT" imaging. Since most forms of Parkinsonian Syndromes result in a decreased number of dopamine-producing cells, ...

Alseres Pharmaceuticals Initiates the ALTROPANE(R) POET-2 Phase III Clinical Trial Program

... that specifically binds to the dopamine transporter (DAT) protein found on the surface of dopamine-producing neurons, making it visible during Single photon Emission Computed Tomography or "SPECT" imaging. Since most forms of Parkinsonian Syndromes result in a decreased number of dopamine-producing cells, ...

Siemens Preclinical Imaging System Helps The Methodist Hospital in Houston Further Its Research Mission

...tem that allows users to combine positron emission tomography (PET), single photon emission computed tomography (SPECT) and computed tomography (CT) acquisiti...which allows users to quickly fuse and compare up to three PET*CT or single photon emission computed tomography and CT (SPECT*CT) studies simultaneously. Usin...

Avid Announces Results of AV-1 Molecular Imaging Agent for Alzheimer's Disease Presented at AD/PD Meeting

...aque build-up in the brain. Avid's technology can be used with a variety of imaging technologies such as positron emission tomography (PET) and single photon computed tomography (SPECT) and is currently being tested in a number of pilot human studies. In July 2006 Bayer Schering Pharma AG, Germany, a worldw...
Photon in Medical Products

CardiArc Cardiac SPECT System

Description:... CardiArc has developed and patented a new, smaller and faster technology for cardiac single photon emission computed tomography (SPECT) with twice the resolution of existing devices. The CardiArc system is as small as an executive chair, runs on 110...
Company:CardiArc, Inc.

StarLux Pulsed Light and Laser System

Description:...t light-based treatments, up to 60% of light is reflected back off the skin surface, and not delivered to the treatment target. But Palomar's patented photon Recycling process uses mirrors within the handpiece to recapture this scattered light and send it back to the treatment area for a more efficient deli...
Company:Palomar Medical Technologies, Inc.

Photon Laser Phacolysis system

Description:...mits it directly, and only, at target tissues. The photon Probe is unlike U/S hand pieces. The probe has no ...avitating, fully visible "quiet" technique. The photon Laser creates an ambient temperature increase of l...eat is generated at the wound with U/S. The photon Trap The patented...
Company:Paradigm Medical Industries, Inc.

RUBYstar

Description:...ns e.g. biomolecular interactions, receptor binding assays and molecular biological applications. High energy laser light source (337 nm) Single photon counting detection system Sensitive measurements for reading low reagent concentrations Low volume reading in 384 well format Faster reading ti...
Company:BMG LABTECH

D-SPECT Cardiac Imaging System

Features:... Larger radiation collection angles and a unique scan pattern provide 10x more efficient photon collection, leading to improved count statistics and higher quality images Novel design of scanning solid state detectors and unique reconstruction...
Company:Spectrum Dynamics

FluoroMax-3

Features:... Water Raman signal to noise ratio: 2500:1 photon Counting Fast Scanning capability - up to 200nm/second Windows Software Method Files to recall complete experiment parameters Front Surface De...
Company:Horiba Group
Photon in Medical Definition

Nuclear medicine

...ed a "dynamic" dataset, a cardiac gated time sequence, or a spatial sequence where the gamma-camera is moved relative to the patient. SPECT (single photon emission computed tomography) is the process by which images acquired from a rotating gamma-camera are reconstructed to produce an image of a "slice" ...
Photon in Medical Dictionary

X-Ray

...atient, x-ray machine, and film depends on ... Find out how X-ray machines see straight to your bones. ... Some of the energy from the X-ray photon works to separate the electron from the ... An history of the X-Ray and the invention of x-ray machine and CAT-Scans -sp xray . ... xray . m...
Photon in Biological News

When every photon counts

This release is available in German . The eyes of nocturnal mammals contain particularly large numbers of the highly light-sensitive rods, the photoreceptor type used for night vision. This allows the detection of light levels millions of times lower than daylight. Researchers at the Ludwi...

Research at Argonne's Advanced Photon Source reveals structure and behavior of collagen

ARGONNE, Ill. (February 26, 2008) -- The structure and behavior of one of the most common proteins in our bodies has been resolved at a level of detail never before seen, thanks to new research performed at the Advanced Photon Source (APS) at the U.S. Department of Energys (DOE) Argonne National L...

Argonne to showcase science and technology at community open house

... one of your own Visualize local, national and international environmental projects with interactive 3-D maps Tours will include the Advanced photon Source, the Western Hemisphere's most brilliant source of X-rays for research; the Center for Nanoscale Materials, a leading nanotechnology research f...

Obama administration announces more than $327 million in Recovery Act funding for science research

...thematical analysis related to the development of Smart Grid. Argonne National Laboratory; Argonne, IL$5.6 million for improvements at the Advanced photon Source. Lawrence Livermore National Laboratory; Livermore, CA$810,000 for fusion energy research. Sandia National Laboratories; Sandia, NM, and ...

New Report Just Published: World Solid-State, Fiber, Gas and Dye Lasers Market Report

...cquires Grupo Laser Idoseme II-39 Lockheed Martin Acquires Aculight II-39 Hypertherm Finalizes Acquisition of ESSE A II-39 Domino Acquires photon Energy and NWL II-39 Arasor Takes Over Novalux II-40 LightMachinery Acquires Popular Laser Products of GSI II-40 Northrop Signs Agreement ...

Two-day symposium in Baltimore to tackle the promises and perils of proton radiotherapy

...il 3, 2009 -- Proton therapy has been hailed as a revolutionary cancer treatment, with higher cure rates and fewer side effects than traditional X-ray photon radiotherapy. Proton therapy is the modality of choice for treating certain small tumors of the eye, head, head or neck. It is also safer -- especiall...
Photon in Biological Technology

'The photon force is with us': Harnessing light to drive nanomachines

New Haven, Conn. Science fiction writers have long envisioned sailing a spacecraft by the optical force of the sun's light. But, the forces of sunlight are too weak to fill even the oversized sails that have been tried. Now a team led by researchers at the Yale School of Engineering & Applied Sc...

Light sensor breakthrough could enhance digital cameras

...at most, one electron's worth of current for every photon (particle of light) that strikes the pixel," says ...neering. "Instead generating multiple excitons per photon could ultimately lead to better low-light pictures...s a current that flows as a result. Normally, each photon is converted into at most one exciton. This lowers...

Scientists determine the structure of highly efficient light-harvesting molecules in green bacteria

...ains where chlorophyll molecules are located and, therefore, the ability of photon energy to migrate becomes restricted. In other words, the energy in an individual photon visits a smaller number of chlorophylls, and that's an advantage to the org...

Zenobia Therapeutics Successfully Completes Initial Phase of Its Service Agreement With Syntonix Pharmaceuticals

...ia has rapid access to high-energy synchrotron sources for data collection through an agreement with Shamrock Biostructures, located near the Advanced photon Source (APS) in Chicago, IL. "Synchrotron radiation was required for this program, and we are fortunate to have routine access to the only third...

Quantum dots and nanomaterials: Ingredients for better lighting and more reliable power

...generate one electron-hole pair for every absorbed photon in most solar cells," Jabbour says, but researcher...n generating more multiple electron-hole pairs per photon to achieve increased power-conversion efficiency. ...ing a higher number of electrons for each absorbed photon from incident light. In most bulk semiconductin...

Research highlights potential for improved solar cells

...Klimov has shown that carrier multiplicationwhen a photon creates multiple electronsis a real phenomenon in ...icles. When a conventional solar cell absorbs a photon of light, it frees an electron to generate an elec....' Photogeneration of another electron by a second photon results in a two-hole, one-electron state, reminis...
Photon in Biological Products

N5 Submicron Particle Size Analyzer - 115V from Beckman Coulter

Description:...o you. You need an analyzer that can reliably detect the component populations in your sample every time. The N5 Submicron Particle Size Analyzer uses photon Correlation Spectroscopy (PCS) , which determines particle size by measuring the rate of fluctuations in laser light intensity scattered by particles ...
Company:Beckman Coulter

N5 Submicron Particle Size Analyzer - 230V from Beckman Coulter

Description:...o you. You need an analyzer that can reliably detect the component populations in your sample every time. The N5 Submicron Particle Size Analyzer uses photon Correlation Spectroscopy (PCS) , which determines particle size by measuring the rate of fluctuations in laser light intensity scattered by particles ...
Company:Beckman Coulter

Lumat Singel Tube Luminometer LB 9507 from BERTHOLD TECHNOLOGIES GmbH & Co. KG

Description:... The Lumat tube luminometer provides the sensitivity and versatility you expect from a general purpose luminometer. Advanced digital photon counting with selected photomultipliers ensure superior sensitivity and best match of spectral demands. Equipped with up to 2 reagent injectors the Lu...
Company:BERTHOLD TECHNOLOGIES GmbH & Co. KG

FDSS6000 System from Hamamatsu Photonic Systems - Drug Discovery

Description:...orescence and luminescence modalities. The Hamamatsu light sources and cameras in the FDSS6000 highlight our companys decades-long experience in photon detection technology. It is a modular, upgradable, and fully integrated system. Versatility, reliability, uniqueness all describe the Functional D...
Company:Hamamatsu Photonic Systems - Drug Discovery

LUMIstar OPTIMA Microplate Reader from BMG LABTECH

Description:... GUS assays (-glucuronidase) ROS (reactive oxygen species) Enzyme activity assays Nucleic acid detection (PCR Quantification) BMG LABTECHs Digital photon Integration (DPI) technology and the programmable Gain control give the LUMIstar OPTIMA the best sensitivity, with extended linear dynamic range. By i...
Company:BMG LABTECH
Photon in Biological Definition

Photon

In physics , the photon (from Greek φοτος, meaning light ) is a quantum of excitation of the quantised electromagnetic field and is one of the elementary particles studied by quantum electrodynamics (QED) which is the oldest part of the Standard Model ...

Absorption spectrum

...p of an electron to a higher orbit are absorbed by the gas. Afterwards, the electron does not stay in its higher orbit and falls back down, emitting a photon of exactly the same frequency as the one absorbed. However, this is emitted in all directions, not just in the direction in which the electromagnetic ...

Diffusion

...n 2.5 Electron diffusion 2.6 Momentum diffusion 2.7 Osmosis 2.8 photon diffusion 2.9 Reverse diffusion 2.10 Thermal diffusion 3 See ...he diffusion of a solute across a selectively permeable membrane . photon diffusion When photons travel through a material with a high optical ...

Light-dependent reaction

...e way as the electron drops in energy level. The electrons originate when a photon of sunlight strikes a chlorophyll molecule contained within a photosystem (...wo-stage process involving two different chlorophyll photosystems. First, a photon is absorbed by the chlorophyll core of photosystem II, exciting two electro...

Light-dependent reaction

...e way as the electron drops in energy level. The electrons originate when a photon of sunlight strikes a chlorophyll molecule contained within a photosystem (...wo-stage process involving two different chlorophyll photosystems. First, a photon is absorbed by the chlorophyll core of photosystem II, exciting two electro...

Signal transduction

...ny downstream effector proteins. For example, a rhodopsin molecule in the plasma membrane of a retina cell in the eye that was activated by a photon can activate up to 2000 effector molecules (in this case, transducin ) per second. The total strength of signal amplification by a receptor is deter...
Photon in Biological Dictionary

Photon

In physics, a photon is an elementary particle, the quantum of the electromagnetic field and the basic "unit" of light and all other forms of electromagnetic radiation. It is also the force carrier for the electromagnetic... photon A quantum of electromagnetic energy. Like electr...

Structural biology

...en B. ... The Structural Biology Center (SBC) operates a national user facility for macromolecular crystallography at Sector 19 of the Advanced photon Source at Argonne ... The New York Structural Biology Center is a 501 (c) (3) corporation incorporated ... NMR Structural Biology in Life S...

Rod cells

...he inner plexiform layer where they terminate ... Two amacrine cells are key in the rod pathway circuitry through the ... ... a cone, a single photon is all it takes to produce a response from a rod cell . ... The rod -shaped outer segment of a rod cell , which is the light-sensitive part,...

Photosystem

...II, we have shown that the two steps by ... brief review of photosystem II. Structure of the Photosystem II Core Subunits, ... Absorption of 1 photon of light by Photosystem II removes 1 electron from P680. ... Activation of P700 in photosystem I enables it to pick up electrons from the ... ...

Phospholipid

...s ... (Redirected from Phospholipid bilayer) Jump to: navigation, search ... The elasticity of synthetic phospholipid vesicles obtained by photon correlation ... phospholipids phospholipid ... The phospholipid composition of the ... Choline helps form phosphatidylcholine, the primary ...

Lumen

.... Lumen Entertainment is a production company that creates ... Lumen photon Therapy Online Introduction To Light Therapy ... WHNS FOX 21™ featured Lumen on May 27th, 2004, calling photon therapy a "Ray of Hope" ... Now that Lumen has been written in Cocoa ...
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