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A prediction rule for disease outcome in patients with recent-onset undifferentiated arthritis

Marked by chronic inflammation of the joints and tissue, rheumatoid arthritis (RA) is a painful and potentially disabling autoimmune disease.

30 Jan 2007

Human immune system has not adapted to changes in the environment

It seems that the current "allergy epidemic" is due not so much to an increase in allergenic risk factors as to the disappearance of factors protecting people against allergies.

25 Jan 2007

FDA urged to review policy that bans MSM from donating blood

The American Red Cross and other organizations that collect donated blood are urging FDA to review a policy in effect since the early 1980s that prohibits men who have sex with men -- regardless of sexual activity, safer-sex practices or HIV status -- from donating blood, the San Jose Mercury News reports.

23 Jan 2007

Fibrinogen molecule structure acts as a molecular spring

Researchers at the University of Pennsylvania School of Medicine and the School of Arts and Sciences have shown that a well-known protein structure acts as a molecular spring, explaining one way that clots may stretch and bend under such physical stresses as blood flow.

14 Jan 2007

New approach offers hope for an effective herpes vaccine

A researcher at Montana State University has called for an innovative, new approach in developing a vaccine against genital herpes.

10 Jan 2007

WHO tackles rabies, snake bites and scorpion stings

Although more than 12 million people each year are bitten by dogs or snakes, or stung by scorpions, the world's capacity to treat them is inadequate.

9 Jan 2007

Modified skin cells that may help protect cultured skin substitutes from infection

Cincinnati burn researchers have created genetically modified skin cells that, when added to cultured skin substitutes, may help fight off potentially lethal infections in patients with severe burns.

9 Jan 2007

Scientists visualize influenza virus particles

Scientists at the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), and colleagues at the University of Virginia in Charlottesville have succeeded in imaging, in unprecedented detail, the virus that causes influenza.

2 Jan 2007

Aptamer-capped nanocrystal quantum dots

Quantum dots, used increasingly as bright fluorescent markers in basic research and diagnostic assays, must be coated, or capped, with one of a wide variety of organic molecules in order to stabilize these nanocrystals and prevent them from aggregating when added to water.

18 Dec 2006

Biofunctional organic nanocrystals for quantitative detection of pathogen deoxyribonucleic acid

Waiting a day or more to get lab results back from the doctor's office soon could become a thing of a past.

4 Dec 2006

High throughput quantification of protein expression of cancer antigens in tissue microarray using quantum dot nanocrystals

In attempt to identify biological markers, or biomarkers, that can signal the presence of cancer and help oncologists determine the best course of therapy when cancer is present, teams of investigators are scouring stored tissue samples obtained from thousands of cancer patients.

4 Dec 2006

Cytogen issued new patent covering oral drug delivery agents

Cytogen Corporation has announced that it has been issued United States patent number 7,135,457 covering its oral drug delivery agents - random peptide compositions that bind to gastro-intestinal tract (GIT) transport receptors.

28 Nov 2006

Test strips for the rapid detection of cocaine

Saving the life of a poisoning victim is often a matter of minutes. It is best when the emergency doctor can perform a reliable diagnosis on the spot to determine which poison or what type of drug overdose a patient is suffering from. Complicated laboratory analyses and a complex apparatus are out of place in the emergency room.

21 Nov 2006

Low-field magnetic separation of monodisperse Fe3O4 nanocrystals

Whether the goal is to separate different types of cells or molecules, methods that rely on the age-old principle of magnetism are a staple among researchers.

20 Nov 2006

Novel drug boosts platelets in ITP

Attacking a platelet-depleting autoimmune disease in a whole new way, an experimental drug is helping patients with immune thrombocytopenic purpura (ITP) once again produce healthy amounts of platelets -- with no major side effects.

14 Nov 2006

Discovery of a simian immunodeficiency virus infection in wild gorillas

In 2005, 40.3 million people in the world, including 25.8 million in Sub-Saharan Africa, were living with HIV. The question of the origin of HIV-1, responsible for the AIDS pandemic, has been stimulating the scientific community for many years.

13 Nov 2006

Modified silicon-based surfaces provide good home to proteins

Silicon, whether in its elemental form as silicon wafers or in its oxidized form, known as silicon dioxide or silica, is proving to be a valuable material for biomedical nanotechnology, in large part because of the biocompatibility and chemical inertness of these substances.

13 Nov 2006

Chembio receives large order for rapid HIV tests to screen pregnant women in Mexico

Medford, N.Y.-based Chembio Diagnostics on Monday announced that it has received an order from a Mexican distributor for 990,000 of its rapid HIV test Sure Check HIV 1/2 to screen pregnant women in Mexico, the Long Island Newsday reports (Bernstein, Long Island Newsday, 11/7).

8 Nov 2006

Nanoparticle probes with surface enhanced Raman spectroscopic tags for cellular cancer targeting

Cancer biologists are always on the lookout for new methods of studying the effects that drug therapy has on malignant cells.

6 Nov 2006

Cancer Research Technology to present discovery updates at BioEurope 2006

Cancer Research Technology Limited (CRT), the oncology-focused development and commercialisation company, today announce that Phil L'Huillier, the Director of Business Management, will present at the BioEurope 2006 Annual International Partnering Conference.

6 Nov 2006