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Attenuation in Medical News

Siemens Highlights Cardiology Excellence from Prevention to Follow-up at ACC 2009

...l also highlight its recently FDA-cleared IQ-SPECT, Siemens newest Symbia feature that enables a comprehensive cardiac evaluation including perfusion, attenuation correction and calcium scoring in just five minutes. Also highlighted in the Siemens booth is c.cam(R), a first-of-its-kind product, featuring the mos...

Digirad Receives 510(k) for Cardius X-ACT Rapid Cardiac SPECT/VCT Imager

...CT imaging system that features a low-dose volume-computed tomography (VCT) attenuation correction system that significantly reduces artifacts in the images caused...transmission maps improving the overall quality of SPECT studies. The X-ACT attenuation correction system offers high accuracy, fast acquisition, low dose (5 uSv /...

Brain Adjusts to Cope With Life's Upsets

...ted that the brains of older people deal with emotions differently, Cabeza said. "There have been reports that there's a shift in the bias, perhaps an attenuation of negative emotions and an emphasis on processing positive emotions," he said. For the new study, Cabeza and his colleagues put those theories abo...

Journal CHEST: December highlighted studies

...monary function tests on 65 male patients with COPD. Using these tests, researchers were able to compare vertebral bone density with percentage of low attenuation area (LAA%), which reflects the severity of emphysema. Results showed that LAA% had a significant negative correlation with bone mineral density, or p...

Siemens Introduces New Dual Energy Applications to SOMATOM Definition

.... "The SOMATOM Definition moves CT to an entirely new dimension of diagnostic sensitivity where contrast in the image is not merely limited to x-ray attenuation differences, but may include elements of functional and tissue characterization. This additional information may be used to improve diagnostic outcome...

Digirad to Introduce New Clinical Standard for Cardiac SPECT

...h 29-April 1, 2008, in Chicago. Digirad's Cardius X-ACT(TM), a dedicated cardiac SPECT system, is expected to set a new clinical standard with X-ACT attenuation correction. The system uses the Cardius-3 XPO camera's solid state detectors with an x-ray tube. The revolutionary X-ACT approach exploits the high-co...

A 'grape' future for Alzheimer's disease research

...Pasinetti at the new center will provide critical information about the functional role of selected grape-derived polyphenols in the prevention and/or attenuation of cognitive deterioration of Alzheimers disease. Our goal is to learn which compounds are bioactively available to reach the brain and exert a benef...

Defibrillator Use Urged to Save Children's Lives

... by providing an electrical jolt has been advocated for several years, the "software on AEDs has become more extensive and validated for children, and attenuation devices have become available to downregulate the energy delivered by AEDs to allow their use on children," the statement said. Dr. Steven E. Krug,...

Food restriction increases dopamine receptor levels in obese rats

...ptor levels decreased with age, but this decline was significantly blunted in food-restricted rats compared with those given free access to food. This attenuation was most apparent in the obese rats. Another main finding was that D2 receptor availability - that is, the number of receptors available for bindin...

Leukocyte reduction seen as significant advance in transfusion medicine

...ogy-Oncology Unit of the University of Rochester Department of Medicine. Also in the October 15 issue, the article Leukocyte Reductions Role in the attenuation of Infection Risks among Transfusion Recipients presents evidence of the benefits of leukocyte reduction beyond its established role in reducing fever...
Attenuation in Medical Technology

Bionovo to Present Recent Findings of BZL101, Its Anti-cancer Agent, at the American Association of Cancer Research

...mal cells unaffected. As explained by Dr. Emma Shtivelman, Director of Cancer Research at Bionovo, the ability of BZL101 to induce apoptosis is due to attenuation of mitochondrial transmembrane potential (MTP) leading to the release of reactive oxygen species, causing inhibition of glycolysis and ending with ind...

Expert Opinion Highlights Avigen's AV411 as Potential New Therapeutic for Neuropathic Pain and Opioid Withdrawal

...he publication of this research adds to the increasing recognition of glial attenuation as a potential new paradigm shift in how we treat neuropathic pain and opio....com/">http://www.avigen.com . As part of its program investigating glial attenuation as a novel approach to the treatment of neuropathic pain, Avigen discovered...
Attenuation in Medical Products

Symbia T, TruePoint SPECTCT system

Description:... Symbia T, a TruePoint SPECTCT system, combines a dual-detector variable angle gamma camera with a CT scanner optimized for rapid, accurate attenuation correction of the nuclear data....
Company:Siemens Medical Solutions USA, Inc.

Surgical C-Arm Table - 840

Description:... Designed for procedures where stability, access, and precise, quiet, vibration-free positioning are essential. A cantilevered low attenuation carbon fiber tabletop accommodates portable or ceiling-suspended C-Arms. The radiolucent area is free of cross members, allowing full fluoroscopic vis...
Company:Biodex Medical Systems

c.cam

Description:... A relaxed patient moves less, creating fewer artifacts and consequently improving image quality. Diagnostic confidence is further enhanced with the attenuation correction option c.clear....
Company:Siemens Medical Solutions USA, Inc.

Lead Free X-ray Apron

Description:...ntiquated leaded x-ray aprons. Constructed with a wear resistant, Microfiber front and a non-slip corduroy back, the Lead Free aprons exhibit the same attenuation for X-radiation as a leaded apron. Each apron weighs approximately 50% less than conventional aprons, can withstand most disinfectant liquids and adds...
Company:Clive Craig

e.cam Multiangle Cardiac

Description:... Designed to meet the high-quality and high-throughput demands of cardiology practices. The optional Profile nonuniform cardiac attenuation correction accessory features a unique fixed multiple-line array that increases the accuracy of myocardial perfusion SPECT and enhances diagnostic con...
Company:Siemens Medical Solutions USA, Inc.

Aspect100U

Features:...nsion 30 inches long Foot switch and hand control Tabletop: 24 inches x 46 inches / Optional: 28 inches x 46 inches Locking swivel casters Low attenuation table pad SofTouch accessory package Longitudinal travel: 10 inches Trendelenburg: 15 Optional lateral roll 20 Cassette tray, loads from eith...
Company:Image Diagnostics, Inc.

e.cam duet

Features:...ody contouring optimizes system resolution with SPECT and whole body scans Ultrathin, low-attenuation imaging pallet Profile non uniform cardiac attenuation correction option Flash 3D advanced reconstruction option for optimum image quality for cardiac and general SPECT Ultrafast patient setup for hi...
Company:Siemens Medical Solutions USA, Inc.

Immulite Chemiluminescent Immunoassay System

Features:...ssay results in less than 15 minutes Enzyme-amplified chemiluminescence Proprietary wash technique Sustained luminescence Light-signal attenuation for broad assay ranges Real-time system monitoring Stable, stored curves LIS interface, with host query capability ...
Company:Siemens Medical Solutions Diagnostics
Attenuation in Medical Definition

Growth attenuation

Growth attenuation is an elective medical treatment which involves administering estrogen to cause closure of the epiphyses of the bones , resulting in a reduced adult height. Since the 1960s this treatment has been performed primarily on children growing toward an adult height considered u...

Nuclear medicine

...e patient. Activity closer to the camera face will produce more information in the image than activity located deeper in the body, however, because of attenuation by tissues between the radionuclide event and the camera face. Tomographic imaging applies similar principles, taking multiple planar images from diff...
Attenuation in Medical Dictionary

Parainfluenza virus

...atures: Human parainfluenza viruses (HPIVs) are second to respiratory ... Collins PL, Chanock RM, McIntosh K. Parainfluenza viruses . ... attenuation of bovine parainfluenza virus type 3 in nonhuman primates and its ... Serological studies of parainfluenza type 3 virus , bovine adenoviru...

Bone X-ray

... ... The x-rays themselves are painless. However, repositioning the bone may be uncomfortable. ... ... bone mineral content (measured as the attenuation of the X-ray by ... Genioplasty · Coccygectomy · Bone grafting · Osteotomy · Dual energy X-ray absorptiometry ... Bone X-Ray ( X-Ray - ...
Attenuation in Biological News

Research to secure a safe water supply

... old refinery in Leuna, eastern Germany to purify the contaminated groundwater. The joint venture aims to test ways of purifying water through natural attenuation using plants. FLOODING Flood loss database HOWAS 21 online The flood loss database HOWAS 21 was developed by researchers at the Helmholtz...

AGU journal highlights: Nov. 11, 2008

...r (3.3 feet) and period longer than about 1 second) have long been known to excite acoustic waves at twice their frequency that can travel with little attenuation to the bottom of the ocean. This happens through a nonlinear interaction between wave components traveling in opposite directions. Farrell and Munk su...

Fantastic photographs of fluorescent fish

... may be part of a private communication system in fish. Red fluorescence is at the borderline of what is visible to many marine fish, and due to rapid attenuation of red light by water, even those that can see red will be able to see it over short distances only. Fluorescent eye rings may function as an indicato...

A stronger future for the elderly

...cells to build proteins. Recent research from the clinical physiology team has shown that the cause of muscle wasting with ageing appears to be an attenuation of muscle building in response to protein feeding. In other words, as we age we lose the ability to covert the protein in the food we eat in to muscle...

US Air Force technology helps scientists understand plant root function

...lts from a newly developed non-invasive technique that uses thermal neutron attenuation to measure spatial and temporal distribution of water in soils and near roo...pret, neutron tomography is a non-invasive imaging method that measures the attenuation of thermal neutrons, much like photons in x- and gamma-ray techniques, to c...

Dosage of fertilizer helps to enhance quality of wheat

...aking properties. Moreover, according to the research, the distributing the fertiliser dosage in three stages (instead of two) not only enables the attenuation of nitrogen losses by filtering to subterranean waterbeds and emission of gas, but also the beneficial effects are such that they confirm that lesser ...

UT researcher earns $1.3M grant to study toxic cleanup at DOD sites

...es, chemical and thermal treatment, enhanced microbial degradation, extraction with surfactants, treatment of extracted groundwater, monitored natural attenuation and use of various containment methods to limit further migration. DNAPLs, which include well-known chemicals such as creosote, coal tar and PC...

Geron Demonstrates hESC-derived cardiomyocytes improve heart function after myocardial infarction

...C-derived cells suspended in the survival cocktail served as control groups. Echocardiography performed four weeks after cell implantation showed attenuation of left-ventricular end-diastolic and end-systolic diameters in animals receiving cardiomyocytes versus all three control groups. In addition, fractio...

A probe, not an echo

...ing images represent minute variations in relative attenuation over various frequency bands and they define the d...heir multi-band signatures caused by their varying attenuation patterns. This promises to allow non-invasive dete...tures within the kidney based on their distinctive attenuation characteristics, so that computerized algorithms c...
Attenuation in Biological Technology

Successful Field-Trial Remediation of 1,2-DCA and VC Contaminated Groundwater in Northern Italy

... Gruppo TRS Selects Adventus EHC ® Enhanced Natural attenuation Biotechnology as Demonstrably Superior to Alternatives New York, NY (Vocus) June 3, 2009 -- The Adventus Group, an internat...

InterMune Reports Results of Two Phase 3 CAPACITY Studies of Pirfenidone in IPF

...ere 46% and 29%, respectively. The difference between the CAPACITY 2 and CAPACITY 1 primary endpoint results at Week 72 may have been due to a modest attenuation in the rate of FVC decline in the placebo group subsequent to Week 48 in CAPACITY 1. Secondary Endpoint Results In CAPACITY 2, pirfenidone t...

Amarin Announces Publication of Pre-Clinical Memory Data in Journal of Neurochemistry

...amyloid-induced and age-related changes in the brain and the present findings suggest that the beneficial effects of EPA are likely to result from its attenuation of hippocampal IL-1beta concentration, perhaps as a consequence of its action on expression of PPARgamma." Rick Stewart, Chief Executive Officer of A...

A new wide field-of-view confocal imaging system and its applications in drug discovery and pathology

...ion and detection optics with the fluorescence mode. Neutral density filter attenuation of laser power at the detection path is used for reflectance imaging, in pl.... 64 AOTF simultaneously selects the wavelength and controls the degree of attenuation applied. 64 When using an AOTF as a tunable dichroic beamsplitter, multipl...

Front-face detection for high-concentrate, opaque or solid sample

...antitative and qualitative fluorescence measurements. Highly concentrated and opaque liquids typically have problems with self-absorption and complete attenuation of the beam. When measuring fluorescence at 90, intensity measurements may not be reproducible or detectable, and the excitation or emission spectra m...
Attenuation in Biological Products

microPET Focus 120 from CTI Molecular Imaging, Inc.

Description:...te (LSO) detector technology, and include a computer controlled bed, a laser alignment system, a dual processor computer, a rotating source holder for attenuation correction measurements, data acquisition electronics and software for data acquisition, correction, image reconstruction, image display and basic ima...
Company:CTI Molecular Imaging, Inc.

microPET R4 from CTI Molecular Imaging, Inc.

Description:...te (LSO) detector technology, and include a computer controlled bed, a laser alignment system, a dual processor computer, a rotating source holder for attenuation correction measurements, data acquisition electronics and software for data acquisition, correction, image reconstruction, image display and basic ima...
Company:CTI Molecular Imaging, Inc.

microPET Focus 220 from CTI Molecular Imaging, Inc.

Description:...te (LSO) detector technology, and include a computer controlled bed, a laser alignment system, a dual processor computer, a rotating source holder for attenuation correction measurements, data acquisition electronics and software for data acquisition, correction, image reconstruction, image display and basic ima...
Company:CTI Molecular Imaging, Inc.
Attenuation in Biological Definition

Computed axial tomography

...elative radiodensity . The pixel itself is displayed according to the mean attenuation of the tissue that it corresponds to on a scale from −1024 to +3071 on the Hounsfield scale . Water has an attenuation of 0 Hounsfield units (HU) while air is −1000 HU, bone is typically...

Magnetic resonance imaging

... additional radiofrequency pulse and some more manipulation of the magnetic gradients, a T2 weighted sequence can be converted to a FLAIR (fluid light attenuation inversion recovery) sequence, in which free water now is dark, but edematous tissues remain bright. This sequence, in particular, is currently the mo...
Attenuation in Biological Dictionary

Attenuation

In physics, attenuation is the gradual loss in intensity of any kind of flux through a medium. For instance, sunlight is attenuated by dark glasses, and X-rays are attenuated by lead. attenuation ( ə′tenyə′wāshən ) ( botany ) Tapering, sometimes to a long point. ... Attenuation is usuall...

Nuclease

...lease S1 · Micrococcal nuclease ... Pronunciation of nuclease . nuclease synonyms. nuclease usage examples and nuclease quotes. ... This attenuation of nuclease activity is manifest until ... ...

Absorption

...process gives bacground knowledge ... More on IOPs: absorption • beam attenuation • volume scattering function ... Absorption , scattering and attenuation spectra measured with a WET Labs ac-s. ... ... detectable by atomic ab...
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(Date:10/31/2014)... HealthDay Reporter THURSDAY, Oct. 30, ... additional $100 million in the fight against the Ebola outbreak ... the World Bank,s total pledge to more than $500 million, ... to the three hardest-hit countries -- Guinea, Liberia and Sierra ... has increased significantly in recent weeks, but we still have ...
(Date:10/31/2014)... Oct. 30, 2014 (HealthDay News) -- Wearing masks made ... festivities that could be risky for children with asthma, ... association advises parents to be proactive about managing their ... enjoyable. Some of the steps they recommend parents ... and haunted houses are exciting adventures that can lead ...
(Date:10/31/2014)... Steven Reinberg HealthDay ... Leprosy, although quite rare, continues to appear in the United ... new cases are reported in the United States each year, ... said. That compares to about 250,000 cases that occurred worldwide ... times, leprosy is an infectious disease that causes skin sores, ...
(Date:10/31/2014)... — A new report by Milken Institute School ... George Washington University examines the challenge of maintaining ... enrolled in Covered California and who are also ... Services Program (CPSP). The CPSP, whose roots are ... ever developed for low-income pregnant women, makes enriched ...
(Date:10/30/2014)... an institutional patient registry on stereotactic body radiotherapy ... of tumors, for medically inoperable, early stage lung ... 2012, according to research presented today at the ... Symposium is sponsored by the American Society of ... Oncology (ASTRO), the International Association for the Study ...
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(Date:10/29/2014)... research presented at the Society for Integrative Oncology ... for the first time that it is possible ... readily available nutritional supplement, AHCC. ... Smith, Pharm.D., associate professor in the Department of ... of Texas Health Science Center at Houston (UTHealth) ...
(Date:10/29/2014)... overwhelming number of chemicals from household and industrial products ... our bodies. But for most of them, scientists have ... they,ve taken the first step toward doing that by ... Their new method is published in the ACS journal ... Wambaugh and colleagues note that the risks to human ...
(Date:10/29/2014)... in German . ... and Peter Schlögelhofer at the Max F. Perutz Laboratories ... University of Vienna dived into the process of meiosis ... display an inversion of the standard meiotic phases. The ... Nature Communications . , Meiosis is the two-step ...
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