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Gold nanorods identify metastatic tumor cells

Using a series of gold nanorods, each with its own characteristic optical signature, researchers at Purdue University have developed a method for rapidly assaying the cellular composition of breast tumors.

23 Jul 2007

Antibody targets nanotubes to tumors

Researchers at Memorial Sloan-Kettering Cancer Center have created biocompatible single-walled carbon nanotubes that can target lymphomas and deliver both imaging and therapeutic molecules to these tumors.

23 Jul 2007

Nanoscale dots target and track apoptosis

Apoptosis, or programmed cell death, is a hallmark effect triggered by effective anticancer drugs. Now, researchers in Korea have developed a biocompatible, fluorescent nanoparticle that could provide an early sign that apoptosis is occurring as a result of anticancer therapy.

23 Jul 2007

Discovery of novel 'molecular dictator with a conscience'

University of New South Wales (UNSW) researchers have uncovered an important naturally occurring mechanism in the body where "bad" cells that cause blockages in our blood vessels are kept under strict growth control, while "good" cells that keep our blood vessels free of clots and growths are left unaffected.

23 Jul 2007

Wyeth wins case of Lisa Dean v. Wyeth

Wyeth has announced that the jury in the case of Lisa Dean v. Wyeth in U.S. District Court found in favor of Wyeth.

23 Jul 2007

A ban on domestic travel could delay the spread of a flu pandemic

A near total ban on domestic travel could delay the spread of a flu pandemic by a week or more, particularly if the outbreak originates in a regional town or small city such as Darwin, according to new modelling by Australian researchers.

23 Jul 2007

Sperm freezing for young male cancer patients

A recent study at Hamilton Health Sciences proves that sperm freezing and banking is an effective way to preserve fertility in adolescents and young adult (AYA) males with cancer.

23 Jul 2007

Nicotine rush hinges on sugar in neurons

As with other questions involving good sensations, the answer appears to be sugar.

23 Jul 2007

New hope for common form of childhood cancer

Dr. Richard Lock, Head of the Leukaemia Biology Program at the Children's Cancer Institute Australia for Medical Research, Sydney, along with collaborators from the Childrens Hospital Los Angeles and University of Southern California, USA, recently published their findings in the prestigious scientific journal Blood.

23 Jul 2007

Medical students respond positively to simulated patient experience

When a vomiting, simulated patient mannequin was rolled into the lecture hall last fall to teach large numbers of first- and second-year Wake Forest University School of Medicine students about the brain and nervous system, Michael T. Fitch, M.D., Ph.D., wasn't sure what to expect.

23 Jul 2007

Research to look at reasons for the formation of Lewy bodies

A University of Nottingham researcher has been awarded more than £440,000 by the Parkinson’s Disease Society (PDS) to investigate the causes of the condition.

23 Jul 2007

Urgent needs of HIV-positive women discussed

Women Living Positive, a roundtable discussion at the IAS congress in Sydney, featured the perspectives of an international panel, including experts in HIV research and medicine, an HIV-positive woman and a member of Australia's National Association of People Living with HIV/AIDS (NAPWA), on the progress that has been made, and what remains to be done to address the needs of HIV-positive women.

23 Jul 2007

How do newcomers make changes in long-standing groups?

Virtually everyone who joins a new group is sensitive to the fact that, as a newcomer, he or she must tread carefully for a while, keeping a low profile until becoming sufficiently integrated into the group.

23 Jul 2007

Patients' perspectives on living with HIV

Recent launches of new protease inhibitors and the anticipated availability of new antiretroviral drug classes have increased the therapeutic options available to treatment-experienced HIV-positive patients, and made achieving an undetectable viral load a realistic goal for this patient population.

23 Jul 2007