Brightsurf Science News & Current Events

March 30, 2004
Existing therapies applied to new use in broader spectrum of cancer care
Drugs approved for treatment of specific maladies sometimes show unexpected benefits.

Student creating polymers to chaperon DNA across cell membrane
An undergraduate student at Virginia Tech has figured out how to chaperone DNA across cell membranes.

Pre-term labor drug sensitizes brain to pesticide injury
A drug commonly prescribed to halt pre-term labor and stave off premature birth might leave the brains of children susceptible to other chemicals ubiquitously present in the environment, according to research conducted on laboratory animals by Duke University Medical Center pharmacologists.

Solargenix Energy sees bright future in Windy City with University of Chicago solar technology
Solargenix Energy, a Raleigh, N.C.-based company that commercializes a solar-energy technology invented at the University of Chicago, has opened a new manufacturing facility at 3622 S.

Damania of UNC receives Elion cancer research award
Dr. Blossom A. Damania, assistant professor of microbiology and immunology at the University of North Carolina at Chapel Hill is this year's recipient of the Gertrude B.

Jefferson scientists use zebrafish to show effects of ionizing, UV radiation differ in development
Zebrafish may be an invaluable animal model with which to screen the effects of radiation.

UA lunar experts testify before congressional subcommittee April 1
UA Professors Timothy D. Swindle and John S. Lewis are among five scientists who will testify in Washington, D.C., for a House subcommittee hearing,

OneWorld Health plans to form network of volunteer pharmaceutical scientists for global health
The Institute for OneWorld Health, the first non-profit pharmaceutical company in the U.S., today announced its intent to develop a volunteer network of corporate and industry pharmaceutical scientists that would promote development of medicines for neglected diseases.

Carnegie Mellon U. conducts first comprehensive proteomic analysis of developing animal
Carnegie Mellon University scientists have performed the first comprehensive proteome analysis of protein changes that occur in a developing animal, making surprising findings that could require scientists to revise standard thinking about how proteins orchestrate critical steps in embryonic development.

Eastern lowland gorilla population plummets 70 percent since 1994
The world population of the Endangered eastern lowland gorilla (Gorilla beringei graueri), found almost exclusively in eastern Democratic Republic of Congo (DRC), has plummeted by more than 70 percent in the past decade.

Electronic paper, wound dressings among novel uses for bacterial cellulose
New and unique products created from bacterial cellulose -- from electronic paper to treatments for severe burns and wounds -- will highlight a one-day symposium at the 227th national meeting of the American Chemical Society, the world's largest scientific society.

Scientists develop new cloning technique that dramatically shortens the search for genes
An international research team has discovered a technique that dramatically streamlines the seach for genes.

Carnegie Mellon University announces 'one-step' method to make polymer nanowires
A powerful one-step,

Sedative may offer new direction in colon cancer treatment
A barbiturate once commonly used to treat anxiety may play a role in controlling the spread of colon cancer, say researchers from The University of Texas M.

Having emergency contraception at home does not boost rate of unprotected sex among teens
When emergency contraceptive pills are readily available, teen-agers are more likely to use them - and use them sooner, when they are more effective.

Study claims dogs and their owners look alike...
Long the subject of speculation, a new study says that dogs DO resemble their owners.

Vascular access vital to pump up tissue engineering
Pathbreaking developments in tissue engineering and regenerative therapies are facilitating the design and growth of new organs in labs using biopolymer scaffolds and matrices.

Nanoscale patterns in artificial membranes
Chemists build nanostructures in a carpet of thiol molecules. A new study shows how these thiols can form new patterns under different conditions.

K-State uses geographic tools to track plant pathogens
The Asian soybean aphid -- native to China, Korea and Japan -- has invaded the United States.

Minimally invasive breast cancer treatment shows promise
A pilot study using radiofrequency (RF) ablation to treat small breast cancers has found the procedure feasible and safe, according to an article appearing in the April issue of the journal Radiology.

Bird's song may be linked to speech disorders
UCLA scientists report parallels between human speech and the song of a bird, findings that may contain clues to human speech disorders.

Dana-Farber launches Center for Applied Cancer Science
Dana-Farber Cancer Institute officials today announced the establishment of the Center for Applied Cancer Science, a far-reaching initiative designed to convert basic molecular discoveries into new therapies for cancer.

Jefferson researchers discover novel gene profile that may identify colon stem cells
Researchers at Jefferson Medical College have uncovered a novel pattern of gene expression in the stem cell-rich bottom of tiny

Purdue engineers design 'shape-search' for industry databases
Engineers at Purdue University are developing a system that will enable people to search huge industry databases by sketching a part from memory, penciling in modifications to an existing part or selecting a part that has a similar shape.

ERI patents treatments for insulin resistance in diabetes accompanying obesity
Dr. Miles Brennan of the Eleanor Roosevelt Institute at the University of Denver (ERI) and Dr.

A bird 'language' gene pinpointed
Neurobiologists have discovered that a nearly identical version of a gene whose mutation produces an inherited language deficit in humans is a key component of the song-learning machinery in birds.

One form of vitamin E appears beneficial in reducing bladder cancer risk
One form of vitamin E appears to offer protection against development of bladder cancer, while a second form has no beneficial effect, say a team of researchers led by The University of Texas M.

Researchers say stenting the best treatment for blocked leg arteries
Researchers at Brown Medical School in Providence, R.I., have reported that stent placement should be considered the standard of care for treating patients with abnormal circulation, or

New therapeutic approach for sickle cell disease
University of Pennsylvania School of Medicine researchers have identified an embryonic protein present in all humans that, when produced in mice, dramatically reduces symptoms of sickle cell disease.

The last stage of an Arctic odyssey
The French explorer, Gilles Elkaïm, who left North Cape (Norway) in May 2000, has almost completed the seventh and final stage of his 12,000 km solo trek along the rim of the Arctic Ocean, from the Atlantic to the Pacific, on foot, kayak, skis, by sled pulled by himself or by dogs... with help from ESA.

HydroGlobe licenses new arsenic-removal technology
A Technogenesis ® Company grown at Stevens Institute of Technology, HydroGlobe Inc, has licensed to Dow Chemical Company a patent-pending technology that effectively removes arsenic III and V from drinking water.

Spying on the inner life of a cell - new nanosensors a body can live with
UA chemists are developing a new class of chemically and environmentally stable nanometer-sized, biomimetic intracellular chemical sensors.

Making the most of stem cells
Researchers are putting the finishing touches on a new method for preserving and storing stem cells.

How minerals react in the environment depends on particle size
Due to their importance in the environment, iron oxide minerals have been widely studied, providing insight into their properties and reactivities.

Proven method of bone analysis may clarify human origins
A new technique in quantifying and analyzing bone shapes promises to help sort out human ancestral relationships where DNA evidence is missing.

Herbal supplements' testing topic of discussion at chemistry meeting March 30
A close look at methods for testing the quality of herbal supplements used by millions of Americans to protect against everything from the common cold to cancer will highlight a three-day symposium at the 227th national meeting of the American Chemical Society, the world's largest scientific society.

Frog skin and supercomputers lead Penn chemists to designing better bacteria killers
Penn scientists have taken a joint experimental-computational approach to mimicking magainin, an antimicrobial peptide originally found on the skin of the African clawed frog.

Duke engineers fabricating polymer 'nanobrushes' and other 'smart' molecule-sized structures
Engineers from Duke University have described progress building so-called

Researchers use novel technology to extract RNA from archive formalin-fixed paraffin-embedded tissue
Fox Chase Cancer Center researchers have demonstrated the ability to extract RNA from formalin-fixed, paraffin-embedded tissue samples archived for up to five years.

Thyroid cancer study simplifies follow-up exams for patients
An unpleasant postoperative procedure for thyroid cancer patients who have had their thyroid glands surgically removed may be unnecessary for most patients, according to Washington University researchers at Siteman Cancer Center and Barnes-Jewish Hospital in St.

Early life exposure to environmental agents predicts adult tumors in animals
For gene-environment interactions, the timing of the environmental exposure may be critical, say researchers at The University of Texas M.

Survey reports fall in stem cell transplants for breast cancer
The use of stem cell transplantation in breast cancer treatment soared in the early and mid 1990s but the dramatic fall that begin in 1997 as clinical trials showed it appeared to be of little benefit continues, according to new European figures published in the April edition of Annals of Oncology.

Research explains how to boost efficiency of polymer organic light-emitting diodes
Organic light-emitting diodes (OLEDs) based on pi-conjugated polymers offer significant advantages over other display materials, but until recently many researchers believed these materials were limited in their efficiency to about 25 percent.

Menstrual cycle affects periodontal health
Many women report an increase in gingival inflammation and discomfort associated with their menstrual cycle, according to findings published in the March Journal of Periodontology.

Antarctic fish study may aid cardiac research
A species of fish that lives in Antarctic waters may hold clues to climate change and lead to advances in heart medicine.

Chemists seek light-activated glue for vascular repair
Virginia Tech researchers are creating biocompatible adhesives for use with vascular tissue that will speed the process of mending tissue.

Single cocaine exposure boosts both drug craving and avoidance
A single exposure to cocaine activates different brain systems that can enhance both the pleasurable and unpleasant effects of psychoactive drugs, according to new research studies with rats.

Compound shows promise as vaccine-like drug for preventing type 1 diabetes
Researchers have identified a compound that shows promise in animal studies of becoming the first effective drug for the prevention of type 1 diabetes, or insulin-dependent diabetes, which afflicts about one million people in the United States and is on the rise worldwide.

Injuries to children show definite patterns
Injuries to children are often preventable and always unfortunate. But parents taking their child to a doctor for treatment of an injury--everything from cuts to broken bones to a peanut stuck in the nose--can take solace knowing that injuries to children--especially boys--are a fact of growing up.

March/April 2004 Annals of Family Medicine tip sheet
This press release contains summaries of new research articles published in the March/April 2004 issue of Annals of Family Medicine.

Mars Express confirms methane in the Martian atmosphere
During recent observations from the ESA Mars Express spacecraft in orbit around Mars, methane was detected in its atmosphere.

Ariane-4 honoured by US Space Foundation
The Space Achievement Award for 2004 was presented to Arianespace, CNES and ESA by the US Space Foundation at Colorado Springs on 29 March.

Experts to boost low-cost broadband access
Experts at Cardiff University, UK, are helping to make low-cost broadband accessible to everyone across Europe.

Blood test for liver cancer risk
Johns Hopkins Kimmel Cancer Center scientists have developed a blood test that can predict some future cases of liver cancer in hepatitis B patients.

Increasing the risk of cancer
As scientists delve further into the mysteries of cancer formation, researchers are finding some surprising results pointing to a variety of environmental and dietary conditions that might increase an individual's risk.

How DNA copying enzyme 'stops the presses' for repair synthesizing enzyme
Biochemists have performed detailed structural studies that reveal for the first time how an enzyme key to DNA replication stalls when an error occurs, to allow it to be corrected.

Scientists report on the current state of INEEL's nuclear waste contamination
The February 2004 issue of Vadose Zone Journal contains a special section which presents over a dozen research papers about the current status of the subsurface contamination at the Idaho National Engineering and Environmental Laboratory (INEEL) site, including specific contamination, characterization, and modeling issues.
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