loading ...
Nanotechnology / Bio & Medicine news 1234

Nanoparticles Detect Telomerase Activity

18 hours ago | User rating: 4.3 / 5 after 9 vote(s) | User comments: 3

Telomerase, an enzyme that prevents chromosomes from shortening when they divide, is widely suspected of playing a key role in making cancer cells immortal. Though researchers have developed a variety of methods for measuring ...


Holey Nanoparticles Create New Tumor Imaging and Therapeutic Agent

July 22, 2008 | User rating: not shown ( 4 vote(s) ) | No comments yet

Using a polymer that has both water-soluble and water-insoluble regions, a team of investigators from the Siteman Center of Cancer Nanotechnology Excellence has created a nanoparticle shaped like a bialy, a close relative ...


Nanotechnology: Learning from past mistakes

July 21, 2008 | User rating: not shown ( 2 vote(s) ) | User comments: 1

A new expert analysis in Nature Nanotechnology questions whether industry, government and scientists are successfully applying lessons learned from past technologies to ensure the safe and responsible development of ...


Quantum Rod System May Safely 'Sneak' Drugs, Diagnostics into Brain

July 16, 2008 | User rating: 4.4 / 5 after 10 vote(s) | User comments: 3

(PhysOrg.com) -- A unique nanoparticle system developed by University at Buffalo scientists takes advantage of the versatility of bioconjugated quantum rods to ferry novel diagnostic and therapeutic agents ...


Study shows increased education on nanotech, human enhancement increases public concerns

July 16, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet

Educating the public about nanotechnology and other complex but emerging technologies causes people to become more "worried and cautious" about the new technologies' prospective benefits, according to a recent study by researchers ...


Using magnetic nanoparticles to combat cancer

July 16, 2008 | User rating: 4.7 / 5 after 17 vote(s) | User comments: 1

Scientists at Georgia Tech have developed a potential new treatment against cancer that attaches magnetic nanoparticles to cancer cells, allowing them to be captured and carried out of the body. The treatment, ...


An alternative to chemotherapy: Nanoparticles tackle pediatric brain tumors

July 14, 2008 | User rating: 4.3 / 5 after 8 vote(s) | No comments yet

An interdisciplinary team of researchers at Washington University in St. Louis, led by Karen L. Wooley, Ph.D., James S. McDonnell Distinguished University Professor in Arts & Sciences, is a step closer to delivering cancer-killing ...


Molecular motor works by detecting minute changes in force

July 09, 2008 | User rating: 4.6 / 5 after 7 vote(s) | No comments yet

Researchers at the University of Pennsylvania School of Medicine discovered that the activity of a specific family of nanometer-sized molecular motors called myosin-I is regulated by force. The motor puts tension on cellular ...


Nanomaterials Key to New Strategies for Blocking Metastasis

July 09, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet

A new treatment strategy using targeted nanoparticles to block metastasis with anti-cancer drugs leads to good results using significantly lower doses of toxic chemotherapy, with less collateral damage to surrounding tissue, ...


'Smart bomb' nanoparticle strategy impacts metastasis

July 07, 2008 | User rating: 4.7 / 5 after 15 vote(s) | No comments yet

A new treatment strategy using molecular "smart bombs" to target metastasis with anti-cancer drugs leads to good results using significantly lower doses of toxic chemotherapy, with less collateral damage to surrounding tissue, ...


Super strong antimicrobial coatings for medicine, defense

July 07, 2008 | User rating: 4.4 / 5 after 17 vote(s) | User comments: 1

One of the world' strongest materials meets one of Nature's most powerful germ killers in a new research project that produced incredibly tough anti-bacterial surfaces with multiple applications in home appliances, ...


Study shows quantum dots can penetrate skin through minor abrasions

July 02, 2008 | User rating: 4 / 5 after 9 vote(s) | No comments yet

Researchers at North Carolina State University have found that quantum dot nanoparticles can penetrate the skin if there is an abrasion, providing insight into potential workplace concerns for healthcare workers or individuals ...


Nanotubes could help study retrovirus transmission between human cells

June 26, 2008 | User rating: 4.1 / 5 after 7 vote(s) | No comments yet

Recent findings by medical researchers indicate that naturally occurring nanotubes may serve as tunnels that protect retroviruses and bacteria in transit from diseased to healthy cells — a fact that may explain why vaccines ...


Gene silencer and quantum dots reduce protein production to a whisper

June 23, 2008 | User rating: 4.6 / 5 after 25 vote(s) | User comments: 1

More than 15 years ago scientists discovered a way to stop a particular gene in its tracks. The Nobel Prize-winning finding holds tantalizing promise for medical science, but so far it has been difficult to ...


Carbon Nanotubes Compromise the Functions of Certain Protozoa, Study Shows

June 18, 2008 | User rating: 4.8 / 5 after 29 vote(s) | User comments: 3

A new study by researchers from the University of Waterloo in Ontario, Canada, hints that carbon nanotubes may be toxic to microorganisms. When cultures of a certain key protozoan, a single-cell organism, ...


Pages: 1 Next »