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How chemicals present in cranberries prevent urinary tract infections

Chemicals present in cranberries - and not the acidity of cranberry juice, as previously thought - prevent infection-causing bacteria from attaching to the cells that line the urinary tract, as documented in a report published in Journal of Medicinal Food.

10 Mar 2009

Human sweat contains emotional meanings

When threatened, many animals release chemicals as a warning signal to members of their own species, who in turn react to the signals and take action.

8 Mar 2009

Powder-free latex gloves decrease allergy risk in hospitals

Using powder-free latex gloves rather than those with cornstarch powder greatly reduced the number of workers' compensation claims related to latex-related illness, a recent Geisinger study found.

8 Mar 2009

FDA shuts down a flour tortilla manufacturer for repeated violations

The U.S. Food and Drug Administration (FDA) has announced that Del Rey Tortilleria Inc., Chicago, Ill., its president, and two general managers have entered into a consent decree of permanent injunction that prevents Del Rey Tortilleria from manufacturing and distributing soft-shell flour tortillas until the company obtains FDA approval.

8 Mar 2009

Research trial call for pregnant smokers

Mums-to-be across the East Midlands are being invited to take part in research that aims to establish whether nicotine patches are safe and effective for pregnant smokers.

4 Mar 2009

Drugs that act on 'fasting signal' may curb insulin resistance in obese

A report in the March issue of Cell Metabolism , a Cell Press publication, has found that a signal known to play a role during fasting also switches on early in the fat tissue of obese mice as they progress toward type 2 diabetes.

3 Mar 2009

Instant immunity through chemically programmable vaccination and covalent self-assembly

The experiments, thus far performed only in mice, appear to overcome a major drawback of vaccinations - the lag time of days, or even weeks, that it normally takes for immunity to build against a pathogen.

2 Mar 2009

Protein complex shown to play pivotal role in stem cell development

Scientists at the Stanford University School of Medicine have identified a protein complex important in controlling whether embryonic stem cells retain their ability to become any cell in the body - a quality called pluripotency - or instead embark on a pathway of maturation and specialization.

2 Mar 2009

Scientists develop general-purpose method for detecting trace chemicals

Described in an advance, online publication of the journal Nature Biotechnology on February 22, 2009, the team's general method could be adapted for detecting a wide variety of compounds, including many that are relevant to diagnostic medicine and environmental work.

26 Feb 2009

Zoologists search sea for drugs of the future

No matter how sophisticated modern medicine becomes, common ailments like fungal infections can outrun the best of the world's antibiotics.

26 Feb 2009

Eavesdropping on cellular communication

Scientists have discovered the secrets of a sophisticated molecule that plays a role in many aspects of human health from fertility to blood pressure; digestion to mental health.

25 Feb 2009

Scientists manipulate bacteria into generating their own vaccine

Scientists have developed a way to manipulate bacteria so they will grow mutant sugar molecules on their cell surfaces that could be used against them as the key component in potent vaccines.

23 Feb 2009

Redesign technique for proteins

Proteins are widely viewed as a promising alternative to synthetic chemicals in everything from medications to hand lotion.

23 Feb 2009

Tiny flakes of silicon spotlight tumors, deliver drugs

Small is promising when it comes to illuminating tiny tumors or precisely delivering drugs, but many worry about the safety of nano-scale materials.

22 Feb 2009

Clot-buster boosts survival, decreases disability for deadly subset of stroke

New results from a multicenter study led by Johns Hopkins show that patients who got an experimental clot-busting treatment for a particularly lethal form of stroke were not only dramatically more likely to survive but also continued to shed lingering disabilities six months later.

16 Feb 2009