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Biology News

Spin control: New technique sorts nanotubes by length

5/16/2008
Researchers at the National Institute of Standards and Technology (NIST) have reported* a new technique to sort batches of carbon nanotubes by length using high-speed centrifuges. Many potential applications for carbon nanotubes depend on the lengths of these microscopic cylinders, and one... [Comments]Spin control: New technique sorts nanotubes by length

IEEE Fellow first woman to receive highest award in engineering profession

5/16/2008
WASHINGTON (16 May 2008) -- Dr. Kristina M. Johnson, provost and senior vice president for Academic Affairs at Johns Hopkins University, recently received the John Fritz Medal from the American Association of Engineering Societies (AAES). She is the first woman so honored. Johnson was one of seven honorees during the AAES 29th annual awards ceremony in the Great Hall of the National Academ... [Comments]

Bitter orange SRMs: Tools for product analysis/quality

5/16/2008
The National Institute of Standards and Technology (NIST) has developed Standard Reference Materials (SRMs) for bitter orange, long used in folk medicine and now increasingly used in herbal weight-loss products. Researchers can use the new materials to develop and test analytical methods for compounds in bitter orange, or as control materials for quality assurance of their measurements. The NI... [Comments]

Disabling mouse enzyme increases fertility

5/16/2008
St. Louis, May 16, 2008 Changing the sugars attached to a hormone produced in the pituitary gland increased fertility levels in mice nearly 50 percent, a research group at Washington University School of Medicine in St. Louis has found. The change appears to alter a reproductive "thermostat," unveiling part of an intricate regulatory system that may one day be used to enhance human fertility.... [Comments]

Experts tackle shipment issues for beneficial radiation sources

5/16/2008
Delays and denials of shipments involving regulated radioactive materials used in medicine and industry are of growing concern to safety and industry experts. Meeting in Rome this week at an IAEA workshop, they agreed on an action plan for the Mediterranean region that seeks to ease hardships for hospitals, research centres and organizations that rely on timely delivery of beneficial radiation... [Comments]

CAPHOSOL relieves oral mucositis and improves quality-of-life in cancer patients

5/16/2008
PHILADELPHIA, May 16, 2008 New data show that CAPHOSOL ( www.caphosol.com ), an advanced electrolyte solution, relieves painful oral mucositis (OM) and improves quality of life for cancer patients undergoing chemotherapy and radiation therapy. These data will be reported in two separate presentations, one today in an oral podium presentation and one tomorrow as a poster session, at the 33r... [Comments]

HIV infection stems from few viruses

5/16/2008
BIRMINGHAM, Ala. A new study reveals the genetic identity of human immunodeficiency virus (HIV), the version responsible for sexual transmission, in unprecedented detail. The finding provides important clues in the ongoing search for an effective HIV/AIDS vaccine, said researchers at the University of Alabama at Birmingham (UAB). The UAB team found that among billions of HIV variants only... [Comments]

Pioneering landscape-scale research releases first findings

5/16/2008
The May issue of the Canadian Journal of Forest Research presents the preliminary findings of 23 scientists involved in one of the first landscape-scale experiments on how forest management affects western Ponderosa pine ecosystems. The Blacks Mountain Interdisciplinary Research team includes U.S. Forest Service, Humboldt State University, Oregon State University, U.C. Riverside, Universit... [Comments]

Biosensor for measuring stress in cells

5/16/2008
Cancer, nervous system disorders such as Parkinsons disease, cardiovascular disorders and old age have one thing in common: Both in afflicted tissue and in aging cells, scientists have observed oxidative changes in important biomolecules. These are caused by reactive oxygen molecules, including the notorious free radicals that are formed as a by-product of cellular respiration and attack cellu... [Comments]

New study links fate of personal care products to environmental pollution and human health concerns

5/16/2008
Parental concerns in maintaining germ-free homes for their children have led to an ever-increasing demand and the rapid adoption of anti-bacterial soaps and cleaning agents. But the active ingredients of those antiseptic soaps now have come under scrutiny by the EPA and FDA, due to both environmental and human health concerns. Two closely related antimicrobials, triclosan and triclocarba... [Comments]

Breaking news: Study revives Olympic prospects for amputee sprinter

5/16/2008
A world-renowned team of experts in biomechanics and physiology from six universities, led by Professor Hugh Herr of the Massachusetts Institute of Technologys Media Lab, refute scientific claims that the prostheses worn by Oscar Pistorius, a 21-year-old South African bilateral amputee track athlete, provide him with an unfair advantage in the 400-meter race. Their conclusions were based on da... [Comments]

Medicine News

AUDIO from Medialink, Oral Health America & Philips Sonicare: National Smile Month - Giving Americans Something to Smile About Survey Reveals State of Americans' Oral Health

5/16/2008
NEW YORK, May 16 /- There's more to a healthy mouth thanflashing a set of pearly whites. Here's the scoop on America's oral carehabits - and what it means for our overall health. Listen to this report from Oral Health America & Philips Sonicare at: http://media.medialink.com/WebNR.aspx?story=35118 Registered journalists can access video, audio, text, graphics andphotos... [Comments]

Low Vitamin D Tied to Depression in Older Adults

5/16/2008
Poor levels also cause increase in serum parathyroid hormone readings, study says FRIDAY, May 16 (HealthDay News) -- Low levels of vitamin D and high levels of a hormone secreted by the parathyroid glands may increase the risk of depression in older adults, according to a new report. The Dutch study, published in the May issue of Archives of General Psychiatry , supports pre... [Comments]

FDA Panel Considers Toll-Free Number for TV Drug Ads

5/16/2008
Consumers could report side effects, but critics want agency to act, not wait years FRIDAY, May 16 (HealthDay News) -- Direct-to-consumer drug ads on television should include a toll-free phone number that would allow consumers to report adverse side effects, U.S. health experts suggested Friday. The experts serve on a panel that advises the U.S. Food and Drug Administration.... [Comments]

New Method Proposed for Determining Which Patients Should Get Treatment for Colorectal Cancer

5/16/2008
ROCHESTER, Minn., May 16 -- This release isbeing sent in a social media format, by Mayo Clinic in conjunction with theNational Cancer Institute, part of the NIH. News: * A new study being presented at the American Society of ClinicalOncology meeting in Chicago (Abstract #4020), may change treatment practicein about 25 percent of patients with colon cancer and... [Comments]

United Concordia Dental Celebrates National Smile Month

5/16/2008
Month-long Campaign to Emphasize the Importance of Oral and Overall Health HARRISBURG, Pa., May 16 /- National dental insurer UnitedConcordia Dental is celebrating National Smile Month, a collaborationbetween Oral Health America and the British Dental Health Foundation topromote the importance of oral health to overall health. Beginning May 18,this year's event is launching i... [Comments]

Paramedics, EMTs in Oregon, Washington State Ratify First-Ever Teamsters Contract

5/16/2008
Contract Covers More than 500 Workers WASHINGTON, May 16 -- More than 500 paramedicsand emergency medical technicians in the Greater Portland, Oregon andVancouver, Washington area have ratified their first-ever contract asTeamsters. "The Teamsters are pleased that these workers are now covered by astrong contract that gives them job protection and a secure ret... [Comments]

New method proposed for determining which patients should get treatment for colorectal cancer

5/16/2008
A new study being presented at the American Society of Clinical Oncology meeting in Chicago (Abstract #4020), may change treatment practice in about 25 percent of patients with colon cancer and is the basis for proposed changes to the way colorectal cancers will be staged. This new study, using National Cancer Institute (NCI) SEER population-based statistic registries from 1992 to 2004,... [Comments]

Drug fends off kidney cancer progression

5/16/2008
New data from an international, multicenter Phase III clinical trial has found that the experimental targeted therapy everolimus (RAD001) significantly delays cancer progression in patients with metastatic kidney cancer whose disease had worsened on other treatments. The study was led by Robert Motzer, MD, an attending physician at Memorial Sloan-Kettering Cancer Center (MSKCC), who will pres... [Comments]

Vitamin D Use Linked to Lower Mortality in Kidney Patients

5/16/2008
Study finds chronic disease sufferers gain benefit from calcitriol, an oral form FRIDAY, May 16 (HealthDay News) -- Taking activated vitamin D may cut the risk of death for people with moderate to severe chronic kidney disease by about one quarter, a new study suggests. During a two-year study of more than 1,400 patients, those being treated with calcitriol, an oral form of a... [Comments]

ACP says major system reforms needed to improve the state of primary care medicine in the US

5/16/2008
(Washington) Declaring that Primary care medicine is in a precipitous decline, David C. Dale, MD, FACP, president of the American College of Physicians (ACP), today joined with leading representatives of employers and consumers to issue a call for comprehensive reforms to attract, recruit and retain general internists and other primary care physicians. During a panel discussion of the s... [Comments]

Fibroids common, but women have options

5/16/2008
Small fibroids located just beneath the lining of the uterus (submucosal) are more likely to move to the endometrial cavity after uterine artery embolization (UAE) but usually dont cause major complications, according to a new study. The study included 49 patients with 140 fibroids who underwent an MRI examination before and after UAE. The study found that 39 of these were submucosal. Of... [Comments]

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Hepatitis Cs interferon resistance mechanism discoveredThe lie of the tigerNew computer programme could help assess cancer risksProtein studies reveal sophisticated control of nerve communicationFirst complete physical map of a higher plant genomeMathematics reveals inner workings of potassium pipelineAntibiotics resistant bacteriaNew components of machinery that carries genetic information from nucleusMayo Clinic Jacksonville scientists show that specially created molecules can cross blood brain barrierAgronomists offer alternative approaches to gulf pollutionTechnotes Pacific Northwest National Laboratorys summer news tipsheetSpy fliesHopkins study shows new target for boosting the immune system to improve cancer 0D 0AvaccinesFathers pass infertility to sonsDuke researchers discover protein that can alert immune system to fight cancerMultiple Chemical Sensitivity 3A A 1999 consensusGene treatment can boost heart function in rabbits Duke researchers sayComputing device to serve as basis for biological computerLizards do really learn to recognize peopleUniversity of Pittsburgh team finds gene that increases risk of oteoporotic fractures