Bio & Medicine news

DNA-Coated Nanotubes Help Kill Tumors Without Harm to Surrounding Tissue

Aug 19, 2009 | 5 / 5 (4) | 1

(PhysOrg.com) -- Researchers at Wake Forest University School of Medicine have destroyed prostate cancer tumors in mice by injecting them with specially-coated, miniscule carbon tubes and then superheating the tubes with ...

New insights into health and environmental effects of carbon nanoparticles

Nanotechnology / Bio & Medicine

Aug 05, 2009 | 5 / 5 (6) | 2

Carbon nanoparticles are widely used in medicine, electronics, optics, materials science and architecture, but their health and environmental impact is not fully understood.

Flat bacteria in nanoslits

Nanotechnology / Bio & Medicine

Aug 17, 2009 | 5 / 5 (5) | 2

It appears that bacteria can squeeze through practically anything. In extremely small nanoslits they take on a completely new flat shape. Even in this squashed form they continue to grow and divide at normal speeds. This ...

New DNA test uses nanotechnology to find early signs of cancer

Nanotechnology / Bio & Medicine

Aug 17, 2009 | 5 / 5 (2) | 0

Using tiny crystals called quantum dots, Johns Hopkins researchers have developed a highly sensitive test to look for DNA attachments that often are early warning signs of cancer.

Nanotech particles affect brain development in mice

Nanotechnology / Bio & Medicine

Jul 28, 2009 | 4.6 / 5 (7) | 0

Maternal exposure to nanoparticles of titanium dioxide (TiO2) affects the expression of genes related to the central nervous system in developing mice. Researchers writing in BioMed Central's open access journal Particle an ...

Nanodiamonds deliver insulin for wound healing

Nanotechnology / Bio & Medicine

Jul 27, 2009 | 4.7 / 5 (7) | 7

(PhysOrg.com) -- Bacterial infection is a major health threat to patients with severe burns and other kinds of serious wounds such as traumatic bone fractures. Recent studies have identified an important new weapon for fighting ...

Australian researchers are set to begin human trials of a tiny nano-cell that acts as a "Trojan horse" against cancer

Hi-tech 'Trojan horse' can kill cancer cells: researchers

Nanotechnology / Bio & Medicine

Jun 29, 2009 | 4.7 / 5 (12) | 7

Australian researchers are set to begin human trials of a tiny nano-cell that acts as a "Trojan horse" against cancer cells, a breakthrough they say may curb the need for debilitating chemotherapy.

Fresh pot of tea strikes anti-cancer gold

Nanotechnology / Bio & Medicine

Mar 24, 2009 | 5 / 5 (10) | 0

Researchers might one day brew up a cancer treatment in their afternoon cuppa, says a study in a Royal Society of Chemistry journal.

Scientists build world's first nanofluidic device with complex 3-D surfaces

Nanotechnology / Bio & Medicine

Mar 31, 2009 | 4.8 / 5 (12) | 0

(PhysOrg.com) -- Researchers at the Commerce Department's National Institute of Standards and Technology (NIST) and Cornell University have capitalized on a process for manufacturing integrated circuits at ...

Silver nanoparticles show 'immense potential' in prevention of blood clots

Nanotechnology / Bio & Medicine

May 27, 2009 | 5 / 5 (7) | 4

Scientists are reporting discovery of a potential new alternative to aspirin, ReoPro, and other anti-platelet agents used widely to prevent blood clots in coronary artery disease, heart attack and stroke. ...

Researchers enlist DNA to bring carbon nanotubes' promise closer to reality

Nanotechnology / Bio & Medicine

Jul 08, 2009 | 5 / 5 (3) | 1

A team of researchers from DuPont and Lehigh University has reported a breakthrough in the quest to produce carbon nanotubes (CNTs) that are suitable for use in electronics, medicine and other applications.

Implant bacteria, beware: Researchers create nano-sized assassins

Nanotechnology / Bio & Medicine

Jun 26, 2009 | 4.9 / 5 (8) | 0

Staphylococcus epidermidis is quite an opportunist. Commonly found on human skin, the bacteria pose little danger. But S. epidermidis is a leading cause of infections in hospitals. From catheters to prosthetic ...

Buckyballs could keep water systems flowing

Nanotechnology / Bio & Medicine

Mar 05, 2009 | 3.6 / 5 (7) | 7

Microscopic particles of carbon known as buckyballs may be able to keep the nation's water pipes clear in the same way clot-busting drugs prevent arteries from clogging up.

Nanofarming technology harvest biofuel oils without harming algae

Nanotechnology / Bio & Medicine

Apr 07, 2009 | 5 / 5 (14) | 3

Algae is widely touted as the next best source for fueling the world's energy needs. But one of the greatest challenges in creating biofuels from algae is that when you extract the oil from the algae, it kills ...

NanoViagra

Nanotechnology / Bio & Medicine

Apr 28, 2009 | 3.8 / 5 (11) | 3

(PhysOrg.com) -- A new generation of anti-impotency drugs based on nanoparticles might be coming quickly. Researchers at the Albert Einstein College of Medicine in New York presenting at the 104'th Annual Meeting ...