Brightsurf Science News & Current Events

November 29, 2005
Cheaper mobile phones or GPS and with enhanced performance
In his PhD thesis the Pamplona engineer, Francisco Falcone Lanas, has put forward various structures based on what are known as left-handed metamaterials -- materials that can be used to make smaller mobile phones, aerials or GPS and which have better specifications and performance.

MicroRNAs have shaped the evolution of the majority of mammalian genes
RNA continues to shed its reputation as DNA's faithful sidekick.

Antibacterial coatings cut infection rates
Putting antibacterial coatings on hip and knee implants and biomedical devices such as catheters could cut infection rates following surgery and significantly reduce health care costs and improve quality of life for patients, researchers at the University of South Australia have found.

U of MN study finds type of childhood cancer relates to physical problems later in life
A University of Minnesota Cancer Center study is the first to show how the prevalence of some physical impairments that childhood-cancer survivors experience as adults relate to the type of cancer they had and the treatment they received.

Patients with Hepatitis C using more healthcare resources
Use of the nation's health care resources by patients with Hepatitis C has been rising 25 to 30 percent per year says a study in the December 2005 issue of Hepatology.

UF study first to quantify validity of DNA I.D. tool using marine snails
A trendy holiday gift within a decade may be a hand-held device that instantly identifies any species from a snippet of animal tissue, says a University of Florida researcher.

Dendritic cells offer new therapeutic target for drugs to treat MS and other autoimmune disease
Scientists at the Johns Hopkins Kimmel Cancer Center have found that a gene pathway linked to a deadly form of leukemia may provide a new way to treat autoimmune diseases, including multiple sclerosis.

Nanoparticle synthesis allows particle size and shape to be tailored to end applications
Nanomaterials are increasingly gaining the attention of not only the scientific community, but also the public due to their unique properties which endear them to new and exciting applications.

American Physical Society honors outstanding achievements of two Brandeis scientists
Brandeis University physicists win top kudos from The American Physical Society for their pioneering contributions to the field.

Less-invasive ultrafiltration device may be practical alternative to diuretics
A device that performs ultrafiltration of blood, without requiring specialized nursing care or invasive central intravenous access, can reduce fluid overload in patients with congestive heart failure, according to a new study in the Dec.

Dialysis patients may be overmedicated due to unreliable blood test
Changes in a widely used assay (blood test) for parathyroid hormone (PTH) have made its use with the established guidelines for end stage renal disease clinical management both inappropriate and potentially harmful to patients.

A tight skirt can make a smart manager look dumb
A sexy look harms women in managerial positions, but not those in lower status jobs.

Researchers use brain scans to predict behavior
By peering into the minds of volunteers preparing to play a brief visual game, neuroscientists at Washington University School of Medicine in St.

Genomatix Microarray Analysis Pipeline achieves Affymetrix GeneChip compatibleā„¢ status
Genomatix Software GmbH today announced that it has achieved GeneChip-compatibleTM status for several products with the Affymetrix Inc.

Fast-tracked sexual health screening offered with morning-after pill
Young women asking for the morning-after pill at pharmacies will be offered fast-tracked screening for Chlamydia, the UK's most common sexually transmitted infection, in a University of Manchester study.

Cellular molecule spurs growth of prostate cancer
University of North Carolina at Chapel Hill scientists have identified a molecule that stimulates the aggressive growth of prostate cancer.

Study hints at role of stem cell genes in testicular, breast cancers
UCSF scientists have discovered that the activity of several embryonic stem cell genes is elevated in testicular and breast cancers, providing some of the first molecular evidence of a link between embryonic stem cells and cancer.

Fires from the past predict the vegetation of tomorrow
The potential effects of present climate warming is best understood by looking at analogue situations from the past.

UQ scientists break new ground in fight against infection & chronic disease
University of Queensland (UQ) researchers are on track to develop new treatments for acute infections, chronic inflammatory diseases and cancer.

Accentia Biopharmaceuticals, Inc. launches CRSFungal Profileā„¢
Accentia Biopharmaceuticals, Inc. (NASDAQ:ABPI) , announced today the commercial introduction of a patented, non-invasive test, CRSFungal Profile, by its specialty pharmaceuticals division, TEAMM Pharmaceuticals, to assist in the diagnosis of Chronic Sinusitis (CS) otherwise known as Chronic Rhinosinusitis (CRS).

Are women tougher when it comes to heart disease? Study suggests yes
Women with heart problems may be

UCSD research may lead to targeted treatment for asthma sufferers
The bronchial tubes of a patient with severe asthma can become scarred due to repeated episodes of allergic inflammation in the airways.

New cell transplantation technique restores insulin production in diabetics
Researchers are using a new cell transplantation technique to restore the cells that produce insulin in patients with type 1 diabetes.

New model protects wetlands of the future
Restoration methods can predict and protect potential aquatic habitats.

Internet may be answer to mammography crisis
Digital mammography images can now be transferred over the Internet without loss of data or image quality, according to a study presented today at the annual meeting of the Radiological Society of North America (RSNA).

AAAAI, ACAAI identify new recommendations for sinusitis diagnosis and management
Sinusitis is one of the most diagnosed diseases in the United States, affecting approximately 16 percent of the adult population, and is responsible for nearly $5.8 billion in health care costs annually, according to an updated practice parameter.

'No sweat' CT-guided injection treats embarrassing hand condition
A minimally invasive procedure can permanently cure people who suffer from

HRCT reveals asthmatic risk long after cat allergen exposure
For the first time, researchers have shown that cat allergens can impair lung function in people with asthma for up to 22 hours after exposure.

Emergency bypass surgery on angioplasty patients drops 90 percent
When life-threatening problems occur during angioplasty procedures, doctors may perform emergency coronary artery bypass graft surgery, but data from the Mayo Clinic indicates that need to send patients to emergency surgery has dropped sharply, according to a new study in the Dec.

Colonoscopy with normal results doesn't reassure IBS patients
A UCLA/VA study found that irritable bowel syndrome (IBS) patients under age 50 who undergo a colonoscopy with normal results aren't reassured about their condition or seem to have an improved quality life due to the procedure ruling out a more serious condition.

Transporters for the brain chemical serotonin provide
Researchers at The Forsyth Institute have discovered that the transport mechanisms for serotonin -- the chemical substance involved in transmitting signals between neurons, and which has a role in anxiety and mood disorders -- play a key role in determining where organs are positioned in the body during embryonic development.

New antibody shows promise as cure for anthrax
A new anthrax antibody engineered by scientists at The University of Texas at Austin protects and defends against inhalation anthrax without the use of antibiotics and other more expensive antibodies.

Magnetorheological fluids set to revolutionise dynamic vehicle suspension systems
Magnetorheological (MR) fluids are smart materials whose flow/viscosity properties can be modified by applying an electric field.

Two landmark papers on amputation prevention in diabetes unveiled
Research studies on novel wound healing technologies and antiobiotic treatments for diabetics offer new ammunition in the battle against amputations.

Joslin Diabetes Center study shows benefits of online discussion boards
Although having diabetes can sometimes feel isolating to individuals, participation in an Internet-based discussion group offers hope, inspiration and encouragement as well as bolsters people's perceived ability to cope with diabetes, according to a new study from Joslin Diabetes Center.

MR-guided laser effective in treating liver tumors
A large-scale, 12-year study has found that laser ablation with magnetic resonance (MR) guidance is as effective as traditional surgery in the treatment of liver tumors in some patients.

Creativity determines sexual success, research suggests
The more creative a person is, the more sexual partners they are likely to have, according to a pioneering study.

Can healthcare systems afford Herceptin for early breast cancer?
New research in the Annals of Oncology (30 November) -- into the cost of using the breast cancer drug Herceptin -- warns healthcare authorities and the organisations not to rush to prescribe the drug for early breast cancer without working out the budget implications and cost-effectiveness of it.

Robotic treadmill training helps retrain brain, improves walking
People who have suffered partial paralysis from spinal-cord injury show increased activity in the part of the brain responsible for muscle movement and motor learning after 12 weeks of training on a robotic treadmill, researchers at UT Southwestern Medical Center have found.

UF, Columbia scientists closer to new cancer detection method
Detection method involves introducing molecularly engineered strands of DNA into cell cultures and observing whether they unleash a fluorescent burst after they adhere to cancer proteins.

Center calls for stronger federal regulation of genetic testing
The Genetics and Public Policy Center this week called on Mark McClellan, Administrator of the Centers for Medicare and Medicaid Services to end years of delay in assuring the safety and accuracy of genetic testing by issuing a proposed rule to create a genetic testing specialty under the Clinical Laboratory Improvement Amendments of 1988. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to