News tagged with radiation beam
Two new records: The world's strongest and purest neutron beam
The world's strongest neutron beam is produced by a scientific instrument at the research neutron source FRM II (Forschungs-Neutronenquelle Heinz Maier-Leibnitz) at the Technischen Universitaet Muenchen (TUM). ...
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Ultra-fast photodetector and terahertz generator
Photodetectors made from graphene can process and conduct light signals as well as electric signals extremely fast. Within picoseconds the optical stimulation of graphene generates a photocurrent. Until now, ...
Jan 31, 2012 |
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Newer radiation technology improves head and neck cancer patients' long-term quality of life
Patients treated with IMRT for head and neck cancer report an increasingly better quality of life post-treatment when compared to patients receiving other forms of radiation therapy, according to a study presented at the ...
Jan 26, 2012 |
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Brachytherapy reduced death rates in high-risk prostate cancer patients, study finds
Brachytherapy for high-risk prostate cancers patients has historically been considered a less effective modality, but a new study from radiation oncologists at the Kimmel Cancer Center at Jefferson suggests otherwise. A population-based ...
Jan 25, 2012 |
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Proton therapy effective prostate cancer treatment
Proton therapy, a type of external beam radiation therapy, is a safe and effective treatment for prostate cancer, according to two new studies published in the January issue of the International Journal of Radiation Oncology•Biology•Physics (Red J ...
Jan 05, 2012 |
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Advantages and motivations uncertain behind use of brachytherapy for breast cancer radiotherapy
Accelerated partial breast irradiation using brachytherapy (APBIb) for the treatment of breast cancer has been rapidly increasing over the last several years in the U.S. as an alternative to standard whole-breast irradiation ...
Dec 16, 2011 |
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Nobel Prize-winning physicist Norman Ramsey dies
(AP) -- Norman Ramsey, who shared the 1989 Nobel Prize in physics for his research into molecules and atoms that led to the creation of the atomic clock, has died in Massachusetts. He was 96.
Nov 07, 2011 |
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Millisecond pulsar in spin mode
Astronomers have tracked down the first gamma-ray pulsar in a globular cluster of stars. It is around 27,000 light years away and thus also holds the distance record in this class of objects. Moreover, its ...
Nov 03, 2011 |
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Electron accelerator scientists report breakthroughs
(PhysOrg.com) -- Cornell scientists have surpassed two major scientific milestones toward proving the technology of a novel, exceedingly powerful X-ray source.
Oct 25, 2011 |
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Higher radiation dose does not help lung cancer patients live longer
A higher dose of radiation (74 Gy) does not improve overall survival for non-small cell lung cancer that has spread to the lymph nodes, compared to the standard radiation dose (60 Gy), according to an interim analysis of ...
Oct 03, 2011 |
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Researchers find world's first x-ray laser produces most coherent x-ray radiation ever
(PhysOrg.com) -- The world's first x-ray laser, the Linac Coherent Light Source (LCLS), first unveiled in 2009 at the Stanford Linear Accelerator Center in Palo Alto California, has been undergoing testing ...
Oct 03, 2011 |
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IMRT has less harmful rectal side effects than 3D-CRT for prostate cancer patients
Men with localized prostate cancer treated with a newer technology, intensity modulated radiation therapy (IMRT), have more than a quarter (26 percent) fewer late bowel and rectal side effects and a statistically improved ...
Sep 26, 2011 |
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IMRT improves outcomes in patients with extranodal lymphoma of the head and neck
Lymphoma is a cancer that affects organs of the immune system, including the lymph nodes. In a subtype of the disease called extranodal lymphoma, tumors arise in non-lymphoid organs, such as the tongue and tonsils. Patients ...
Aug 15, 2011 |
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Emerging trends in radiation therapy for women over 70 with early stage breast cancer
Patterns of radiation usage in breast conserving therapy for women 70 years and older with stage I breast cancer are changing: more women are opting for radioactive implants and those with estrogen positive tumors are opting ...
Jun 02, 2011 |
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Applying particle physics expertise to cancer therapy
(PhysOrg.com) -- Physicists at the University of California, Santa Cruz, are working with medical researchers at Loma Linda University Medical Center to develop a new imaging technology to guide proton therapy ...
May 13, 2011 |
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