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Improving quantum dot synthesis

Materials researchers at the National Institute of Standards and Technology (NIST) have developed a simplified, low-cost process for producing high-quality, water-soluble quantum dots for biomedical applications.

9 Jul 2008

Swedish study finds many men not told wife's cancer incurable or told too late

A study conducted in Sweden found that more than 40 percent of widowers in that country whose wives died from cancer four or five years earlier reported they were either never told that their spouse's cancer was incurable, or they heard this information during the last week of her life.

9 Jul 2008

New antimicrobial coatings from single-walled carbon nanotubes and lysozyme

A team of researchers in Auburn University's Samuel Ginn College of Engineering has produced new antimicrobial coatings with potential to prevent diseases from spreading on contaminated surfaces - possibly solving a growing problem not only in hospitals but also in schools, offices, airplanes and elsewhere.

9 Jul 2008

Post-operative asymmetry between breasts after cancer treatment affects quality of life

Most women with breast cancer assume that surgery to preserve their breast will be less disfiguring than a mastectomy that removes the entire breast.

9 Jul 2008

Young women's breast cancers more aggressive and less responsive to treatment

Young women's breast cancers tend to be more aggressive and less responsive to treatment than the cancers that arise in older women, and researchers at the Duke Comprehensive Cancer Center and the Duke Institute for Genome Sciences and Policy may have discovered part of the reason why: young women's breast cancers share unique genomic traits that the cancers in older women do not exhibit.

9 Jul 2008

The good and bad side of dopamine

The chemical dopamine induces both desire and dread, according to new animal research in the July 9 issue of The Journal of Neuroscience. Although dopamine is well known to motivate animals and people to seek positive rewards, the study indicates that it also can promote negative feelings like fear.

9 Jul 2008

Slowing the biological processes of aging is way to prevent and fight diseases

A group of aging experts from the United States and the United Kingdom suggest that the best strategy for preventing and fighting a multitude of diseases is to focus on slowing the biological processes of aging.

9 Jul 2008

Good sex at 70

An increasing number of 70 year olds are having good sex and more often, and women in this age group are particularly satisfied with their sex lives, according to a study published on BMJ.com.

9 Jul 2008

Enzymes are the way to a virus' 'heart'

The arrival of bluetongue virus (BTV) in the UK last year posed a major threat to the economy and the increasing temperatures of our changing climate mean it is here to stay.

9 Jul 2008

Genetic change in dopamine transporter supports a role for dopamine signaling in ADHD

A genetic change in the dopamine transporter - one of the brain's dopamine-handling proteins - makes it behave as if amphetamine is present and "run backward," Vanderbilt University Medical Center investigators report this week in The Journal of Neuroscience.

9 Jul 2008

Liver protein fetuin-A linked to type 2 diabetes in seniors

The presence of a protein expressed by the liver which inhibits insulin action may identify individuals more likely to develop type 2 diabetes, according to a new study led by a researcher from the UCSD School of Medicine, to be published July 9 in the Journal of the American Medical Association.

9 Jul 2008

Androgen deprivation therapy does not improve survival for elderly men with localized prostate cancer

A therapy that involves depriving the prostate gland the male hormone androgen is not associated with improved survival for elderly men with localized prostate cancer, compared to conservative management of the disease, according to a study in the July 9 issue of JAMA, the Journal of the American Medical Association.

9 Jul 2008

New tool identifies genes affecting health

A new tool which makes it possible to extract information about an individual's health from genotypes in a fraction of a second, has been developed by an academic at the University of Southampton.

9 Jul 2008

GAP method very accurate in predicting birth-weight of babies born to obese mothers

Researchers have found what they believe to be the most accurate way of predicting the birth-weight of babies born to the growing number of obese mothers, according to a study in the UK-based journal Ultrasound in Obstetrics and Gynecology.

9 Jul 2008

Fish oil supplements taken in last trimester could reduce risk of child developing asthma

Mothers who take fish oil supplements during the last trimester of their pregnancy could be reducing the risk of their child going on to develop asthma, claims a study published today (9th July) in the American Journal of Clinical Nutrition (Am J Clin Nutr 2008;88:167-175).

9 Jul 2008