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Ionizing in Medical News

Health Physics Society 54th Annual Meeting

...th Physics Radiation exposure of the U.S. population Health effects of ionizing radiation Indoor radon risk Wednesday morning 1. Medical health ph...in health physics Human factors at Three Mile Island Health effects of ionizing radiation Indoor radon risk MORE HIGHLIGHTS Predicting cancer ris...

BRIT1 allows DNA repair teams access to damaged sites

...omologous end-joining (NHEC). DNA repair efficiency dropped by between 40 and 60 percent in cells with BRIT1 knocked down that were then exposed to ionizing radiation, allowing many damaged cells to divide and pass on their genetic defects. Potential for cancer treatment Having shown that BRIT1 def...

MDCT angiography leads to successful treatment of severely blocked arteries in the legs

...es, digital subtraction angiography (DSA), which is a time- and cost-intensive procedure during which the investigator and the patients are exposed to ionizing radiation," said Dr. Schernthaner. ...

The Quigley Corporation Reports First Quarter 2009 Results

...loping natural-source potential prescription products particularly for Diabetic Peripheral Neuropathy, avian flu in animals and for protection against ionizing radiation. Ongoing Quigley Pharma research and development initiatives include investing in its key pharmaceutical formulations, QR-333. The las...

IAEA calls for enhanced radiation protection of patients

...cans are repeated. "The medical application of ionizing radiation is the fastest growing source of radiati...onal Basic Safety Standards for Protection against ionizing Radiation and for the Safety of Radiation Sources ...l examination is being performed. Does it involve ionizing radiation? If so, has the procedure been justifie...

Study examines radiation dose estimates for pregnant women undergoing therapeutic ERCP

...e second and third trimesters. Another limitation concerns risks related to ionizing radiation. The risks per unit dose are derived from epidemiologic studies on effects of individuals exposed to high levels of ionizing radiation, such as atomic bomb survivors, patients exposed to radiation for...

Funky Monkey(TM) Snacks Finds Earth-Friendly Policies Take Dedication - But They Pay Off

...ral (non-synthetic) methods and substances. "Organic operations like ours favor natural soil treatments and prohibit the use of practices such as ionizing radiation and genetically engineered crops," Herzog commented. ="Even our fruit waste, such as peels and cores, are reused as either all-natural fert...

CT scans: Too much of a good thing can be risky

...000 chest x-rays. Four percent received over 250 mSv, and 1 percent received over 399 mSv. The researchers used the BEIR-VII (Biological Effects of ionizing Radiation) risk model to estimate lifetime attributable risk (LAR) of cancer for each patient, based on their CT exposures. Approximately 7.3 percent ...

CT Scans: Too Much of a Good Thing Can Be Risky

...00 chest x-rays. Four percent received over 250 mSv, and 1 percent received over 399 mSv. The researchers used the BEIR-VII (Biological Effects of ionizing Radiation) risk model to estimate lifetime attributable risk (LAR) of cancer for each patient, based on their CT exposures. Approximately 7.3 percent ...

CT Scans of Pregnant Women Increasing

...ge the development of protocols that minimize radiation exposure, Lazarus said. For example, MRIs and ultrasound do not expose the patient or fetus to ionizing radiation, she noted. The report is published in the March 17 online edition of Radiology . For the study, Lazarus' team looked at the trend in...
Ionizing in Medical Technology

Aeolus Pharmaceuticals' AEOL 10113 May Play an Important Role Regulating the Oxidative Damage Induced by Ionizing Radiation

LAGUNA NIGUEL, Calif.--(BUSINESS WIRE)--Apr 23, 2007 - Aeolus Pharmaceuticals, Inc. (OTCBB:AOLS) announced the presentation of data by researchers at Loma Linda University Medical Center showing that one of the Company's metalloporphyrin antioxidants, AEOL 10113, may play an important role regulati...

Despite Advances in the Accuracy of CT Colonography in Detecting Polyps, Digestive Health Experts Urge Patients to Consider Risks and Realities

...the CTC test itself are not insignificant. Although it is a challenge to define precise risk estimates related to low doses of radiation exposure, the ionizing radiation exposure from a single abdominal or chest CT may be associated with elevated risk for DNA damage and cancer formation. X-rays used in medica...

Imaging Diagnostic Systems Updates PMA Filing Status for the New CT Laser Breast Imaging System

...ser technology and computer algorithms to create 3-D images of the breast. The procedure is non-invasive, painless, and does not expose the patient to ionizing radiation or painful breast compression. CT Laser Mammography (CTLM(R)) is designed to be used in conjunction with mammography. It reveals information...

Imaging Diagnostic Systems CTLM Technology Presented at Congress of World Society for Breast Health

...ser technology and computer algorithms to create 3-D images of the breast. The procedure is non-invasive, painless, and does not expose the patient to ionizing radiation or painful breast compression. CT Laser Mammography (CTLM(R)) is designed to be used in conjunction with mammography. It reveals information...

IR BioSciences Announces Data Demonstrating Radilex Stimulation of Stem Cells Results in Hematopoietic Recovery Following Lethal Irradiation

... Viprovex(TM) Radilex(TM) is the trade name used in referring to formulations of Homspera(TM) for potential indications for treatment of exposure to ionizing radiation. Viprovex(TM) is the trade name used in referring to formulations of Homspera for potential indications for treatment of viral and bacterial...

Southern Research Institute to Present at the 2007 American Association For Cancer Research Annual Meeting

... from 1:00 p.m. - 5:00 p.m. Wednesday, April 18 -- Bo Xu will be presenting poster (#5055) "Clofarabine Acts Synergistically with ionizing Radiation In Vitro and In Vivo by Inhibiting the Repair of DNA Damage" from 8:00 a.m. - 12:00 p.m. To date, Southern Research has disc...

DNA Therapeutics Reports a Novel Mechanism of Action and a Biomarker of its Lead Molecule Dbait That Open an Innovative Pathway-Targeting in Molecular Cancer Therapy

...trol cell cycle, apoptosis and DNA repair. In particular, ATM and DNA-PK both phosphorylate the H2AX, an isoform of the histone H2A, after exposure to ionizing radiation. The appearance of the phosphorylated H2AX, called gamma-H2AX, in cell nuclei is an indicator of DSB repair foci. Our data provides eviden...
Ionizing in Medical Products

Laboratory Table; Polypropylene Top

Description:...l legs. Height is adjustable from 25"-34". Available in hundreds of sizes and configurations. Accessories include shelves, drawers, light fixtures and ionizing equipment. Terra is an expert in custom building to meet special design needs....
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Laboratory Table; Sealed Laminate Top

Description:...l legs. Height is adjustable from 25"-34". Available in hundreds of sizes and configurations. Accessories include shelves, drawers, light fixtures and ionizing equipment. Terra is an expert in custom building to meet special design needs....
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Laboratory Table; Stainless Steel Top

Description:...l legs. Height is adjustable from 25"-34". Available in hundreds of sizes and configurations. Accessories include shelves, drawers, light fixtures and ionizing equipment. Terra is an expert in custom building to meet special design needs....
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Ionizing in Medical Definition

Medicine

...rders. Related non-medical fields include psychotherapy and clinical psychology . Radiation therapy is concerned with the therapeutic use of ionizing radiation and high energy elementary particle beams in patient treatment. Radiology is concerned with the interpretation of imaging modalities ...

Nuclear medicine

...• d • e Nuclear technology Nuclear engineering Nuclear physics • Nuclear fission • Nuclear fusion • Radiation • ionizing radiation • Atomic nucleus • Nuclear safety • Nuclear chemistry Nuclear material Nuclear fuel • Fertile material • Thorium • U...
Ionizing in Medical Dictionary

Radiation therapy

... Radiation therapy is the medical use of ionizing radiation as part of cancer treatment to control malignant cells . Radiotherapy may be used for curative or adjuvant cancer treatment. It is u...

Mammograms

...or breast abrnomalities. ... About 5% to 10% of screening mammograms will require more testing. ... Like all x-rays, mammograms use doses of ionizing radiation to create this image. ... At the same time, mammograms also have a high rate of missed tumors, or " ... Read about the mammogram scr...

Bone X

...ftercare Risks Normal results Abnormal results Resources Bone X Rays Definition Bone x rays Bone x rays are a diagnostic test in which ionizing radiation passing through ... In bone x rays, electrical current passes through an x-ray tube and produces a ... x-bones- x has 5 photos. B...

Ataxia Telangiectasia

.... Online Medical Dictionary and glossary with medical definitions ... Ataxia - telangiectasia (A-T) cells are abnormally sensitive to killing by ionizing radiation. ... Ataxia - telangiectasia is inherited, which means it is passed down through families. ... Ataxia Telangiectasia Children's Pr...
Ionizing in Biological News

Life on Earth came from other planets

...a violent impact and ejection into space; the frigid temperatures and vacuum of an interstellar environment; the UV rays, cosmic rays, gamma rays, and ionizing radiation they would encounter; and the crash landing onto the surface of a planet. Obviously, they would not have evolved these capabilities if their...

CSHL-led team identifies key decision-point at which cells with broken DNA repair themselves or die

... When cells undergo potentially catastrophic damage, for example as a result of exposure to ionizing radiation, they must make a decision: either to fix the damage or program themselves for death, a process called apoptosis. It's a stark decision ...

Common soil mineral degrades the nearly indestructible prion

...perhaps the weirdest infectious agent know to science, the prion is also the most durable. It resists almost every method of destruction from fire and ionizing radiation to chemical disinfectants and autoclaving, which reduce prion infectivity but fail to completely eliminate it. Now, however, a team of Wisc...

Argonne scientists discover possible mechanism for creating 'handedness' in biological molecules

... spin polarization of the secondary, or low-energy, electrons emitted from the substance. Iron is a common element and is magnetic in many form and ionizing radiation and magnetic fields are prevalent throughout the universe. Based on the Argonne results, it is conceivable that chirality could have been...

The physics of star-forming clouds and the urban environment

...CRAFT THRUSTERS. The Hall-effect thruster is an advanced propulsion system that uses electrical power provided by a spacecraft to generate thrust by ionizing and accelerating propellant to high velocities. Alec Gallimore (University of Michigan) will discuss the fundamental physics and state-of-the-art of t...

Seemingly suicidal stunt is normal rite of passage for immune cells

...s normally and regularly broken, such as the replication of DNA during cell division or the creation of reproductive cells like the sperm and the egg. ionizing radiation and chemotherapy drugs also can cause similar damage to DNA. Finally, DNA strands from infectious agents that enter the cell can mimic damag...

When the ill need protection from the cure

...ning. According to a report by the UN Scientific Committee on the Effects of Atomic Radiation in 2000, patients are exposed to about 200 times more ionizing radiation than medical workers. In some countries, this figure can be nearly 500 times. Seeking Solutions Dr. Rehani says, "We also have projec...

Sensitive laser instrument could aid search for life on Mars

...nman, a geochemist at the University of Montana-Missoula. The team's next step is to improve the laser on its machine. Right now, the instrument is ionizing only about 10 percent of the available biomolecules in the sample. If the remaining biomolecules could be ionized with a better laser, Scott says, the...

The structure of the Mre11 protein bound to DNA

...se, including rare disorders like Ataxia-telangiectasia-like disorder and Nijmegen breakage syndrome, which render the patient extremely vulnerable to ionizing radiation and genomic instability. Mutations in two locations occupied by leucines, for example, inhibit self-interaction between the Mre11 prote...

Researchers discover atomic bomb effect results in adult-onset thyroid cancer

...Epidemiology at the Radiation Effects Research Foundation (RERF) in Hiroshima. "Thyroid cancer is associated with exposure to external or internal ionizing radiation.Elucidation of mechanisms of radiation-induced cancer in humans, especially early steps and pathways, has potential implications for epidemi...
Ionizing in Biological Technology

Imaging Diagnostic Systems Exhibits at Major Middle East Health Conference

...ser technology and computer algorithms to create 3-D images of the breast. The procedure is non-invasive, painless, and does not expose the patient to ionizing radiation or painful breast compression. CT Laser Mammography (CTLM(R)) is designed to be used in conjunction with mammography. It reveals information...

New Radiation-Blocking Medical Garments Introduced at RSNA Meeting in Chicago : Demron-M Technology Provides Total Protection in a Lightweight, Durable, Flexible Fabric

...ion Shield Technologies (RST), with headquarters in Miami, is a world leader in the research, design and production of personal-protection systems for ionizing and nuclear radiation. The company's core technology, Demron, is the world's first and only nuclear radiation-blocking, anti-chemical and biological p...

Yale professor T.P. Ma awarded the Connecticut Medal of Technology

... of National Taiwan University, Ma received his Ph.D. from Yale. Early in his career, Ma did research at IBM on advanced silicon device technology and ionizing radiation effects in metal oxide semiconductor (MOS) devices. He joined the Yale faculty in 1977, where his research and teaching have focused on micr...

SuperGen's MP-470 Demonstrates Clinical Tumor Regression When Combined with Standard of Care Chemotherapy

...nt of glioblastoma multiforme (GBM) after non-clinical studies showed more than two-fold effect of increased cell death when used synergistically with ionizing radiation. Orphan drug designation for GBM, an often fatal form of brain cancer, can entitle SuperGen to seven years of market exclusivity. SuperGen's...

Imaging Diagnostic Systems Sells Its CT Laser Mammography System to Budapest, Hungary

...ser technology and computer algorithms to create 3-D images of the breast. The procedure is non-invasive, painless, and does not expose the patient to ionizing radiation or painful breast compression. CTLM is designed to be used in conjunction with mammography. It reveals information about blood distribution ...

Imaging Diagnostic Systems Receives its First Order for its CT Laser Mammography System for Israel

...ser technology and computer algorithms to create 3-D images of the breast. The procedure is non-invasive, painless, and does not expose the patient to ionizing radiation or painful breast compression. CTLM is designed to be used in conjunction with mammography. It reveals information about blood distribution ...

The Quigley Corporation Reports Second Quarter 2008 Results: Continues Investment in Pharmaceutical R&D Future

...products for disease states associated with inflammation, the protection against infectious diseases in poultry products as well as protection against ionizing radiation. No tax provision or benefits, to reduce losses, are provided for the quarter and six month period ended June 30, 2008 and 2007, since the...

Imaging Diagnostic Systems Accepts Resignations of Outside Directors

...ser technology and computer algorithms to create 3-D images of the breast. The procedure is non-invasive, painless, and does not expose the patient to ionizing radiation or painful breast compression. CT Laser Mammography (CTLM(R)) is designed to be used in conjunction with mammography. It reveals information...

CT Laser Mammography Technology to be Featured at European Congress of Radiology

...ser technology and computer algorithms to create 3-D images of the breast. The procedure is non-invasive, painless, and does not expose the patient to ionizing radiation or painful breast compression. CT Laser Mammography (CTLM(R)) is designed to be used in conjunction with mammography. It reveals information...

CT Laser Mammography Technology to be Featured at Interdisciplinary Breast Cancer Conference

...ser technology and computer algorithms to create 3-D images of the breast. The procedure is non-invasive, painless, and does not expose the patient to ionizing radiation or painful breast compression. CT Laser Mammography (CTLM(R)) is designed to be used in conjunction with mammography. It reveals information...
Ionizing in Biological Products

Vertical Laminar Flow Work Station from Terra Universal, Inc.

Description:...filtered air to create a clean processing area. It includes a fluorescent light and motorized sliding shield. Options include work bench, drawers, and ionizing bar....
Company:Terra Universal, Inc.

Benchtop Laminar Flow Hood (Environmental Control Module) from Terra Universal, Inc.

Description:... efficient HEPA filter to create a clean processing area. Configurations are available with vertical or horizontal flow; options include a work bench, ionizing bar and air velocity gauge....
Company:Terra Universal, Inc.
Ionizing in Biological Definition

Apoptosis

... Response to stress or DNA damage Stress conditions (such as starvation) as well as damage to the cell's DNA resulting from toxicity or exposure to ionizing radiation, such as ultraviolet or X-rays, can induce a cell to begin an apoptotic process. A fascinating example, resulting from damage to the genome ...

Cancer

...ay therapy, or irradiation) is the use of a certain type of energy (called ionizing radiation ) to kill cancer cells and shrink tumors. Radiation therapy injur...ual and reproductive practices, the use of exogenous estrogens, exposure to ionizing radiation and ultraviolet radiation, certain occupational and chemical expo...

Chlorophyll

...thetic pigment found in plants , algae , and cyanobacteria . The first step in photosynthesis is when incoming light is absorbed by chlorophyll, ionizing it. The resulting chemical energy is then captured in the form of ATP , and ultimately to convert carbon dioxide and water to carbohydrates and...

Human

...itions. Life in space has been very sporadic, with a maximum of thirteen humans in space at any given time, in part because of human vulnerability to ionizing radiation , starting with Yuri Gagarin 's space flight in 1961 . Between 1969 and 1974 , up to two humans at a time spent brief intervals on the ...

Magnetic resonance imaging

...g magnetic fields and non-ionizing radiation in the radio frequency range. Compare this to CT scans and traditional X-rays which involve doses of ionizing radiation and may increase the chance of malignancy, expecially in children receiving multiple examinations. While CT provides superior spatial re...
Ionizing in Biological Dictionary

Photobiology

...f photosynthesis, photomorphogenesis, visual processing, circadian rhythms, bioluminescence, and ultraviolet radiation effects. The division between ionizing radiation and nonionizing radiation is typically considered to be 10 eV, the energy... Photobiology "is the scientific study of the interactions ...

Elongation factor

...cts] ... The world's first wiki where authorship really matters. Due credit and ... Elongation factor 1 delta is enhanced following exposure to ionizing radiation. ... BioInfoBank Library :: Positive Transcriptional Elongation Factor B :: metabolism :: Recruitment of P-TEFb for stimulation of ...
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