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Dual-mode nanoparticle probes for high-performance magnetic resonance and fluorescence imaging of neuroblastoma

Nanoscale, inorganic fluorescent imaging agents such as quantum dots have become an important tool for researchers studying key biomolecules involved in cancer.

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

Nonlithographic fabrication of microfluidic devices

Typically, researchers create microfluidic devices using the same lithographic techniques and tools used to fabricate computer chips. Lithography is expensive and slow, factors that could limit the ultimate utility of microfluidic devices in clinical applications.

4 Dec 2006

Bird flu hits another farm in South Korea

A second outbreak of the virulent H5N1 strain of bird flu at another poultry farm has been confirmed by South Korean authorities; the farm is just 3 km from the first case in North Cholla province in the country's southwest.

29 Nov 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

Nanotechnology continues to advance anticancer gene therapy

Given that cancer is a disease in which genetic errors play a major role, it should come as no surprise that many experts envision a time when gene therapy will play an equally important role in the treatment of cancer.

20 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

Templated self-assembly of quantum dots from aqueous solution using protein scaffolds

Quantum dots are rapidly becoming biomedical researchers' tool of choice for adding a fluorescent label to a wide variety of biomolecules.

20 Nov 2006

New agreement questions NHS relation with industry

The Department of Health's new clinical trials agreement raises questions about the NHS's relation with the drug industry, says an editorial published on the British Medical Journal website.

19 Nov 2006

International plan to protect against counterfeit medicines

The World Health Organization (WHO) and more than 20 international partners are today launching a comprehensive package of measures to help national authorities safeguard their populations from the dangers of counterfeit medicines.

15 Nov 2006

Optical amplification of photothermal therapy with gold nanoparticles and nanoclusters

Gold nanoparticles, through their unique ability to convert light into heat, show great promise as miniature heaters capable of cooking cancer cells to death.

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

Latest food scare - Salmonella in Hershey chocolate bars

In the latest food scare to hit North America confectionary and biscuits by Hershey Canada have been recalled because they may be tainted with salmonella.

13 Nov 2006

Recall of Strength Store-brand Acetaminophen caplets

The U.S. Food and Drug Administration (FDA) is alerting the public to a voluntary recall being conducted by Perrigo Company (Perrigo) of Allegan, Michigan for 383 lots of acetaminophen 500mg caplets manufactured and distributed under various store-brands as a result of small metal fragments found in a small number of these caplets.

13 Nov 2006

Nanoparticles for two-photon photodynamic therapy in living cells

Photodynamic therapy (PDT) uses a combination of ultraviolet or visible light and a light-sensitive chemical, or photosensitizer, to kill cancer cells using reactive oxygen.

6 Nov 2006

Multifunctional polymeric micelles as cancer-targeted, MRI-ultrasensitive drug delivery systems

In an attempt to create a single device that can image and treat tumors simultaneously, researchers at the University of Texas Southwestern Medical Center at Dallas have successfully melded magnetic iron nanoparticles, the anticancer drug doxorubicin, and a polymer tagged with a tumor-targeted molecule into a stable nanoparticle that accumulates inside human tumor cells.

6 Nov 2006