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Nanotechnology / Bio & Medicine news 3456

Portable 'lab on a chip' could speed blood tests

October 17, 2006 | User rating: 4 / 5 after 15 vote(s) | No comments yet

Testing soldiers to see if they have been exposed to biological or chemical weapons could soon be much faster and easier, thanks to MIT researchers who are helping to develop a tiny diagnostic device that could ...


Using magnetic nanoparticles to combat cancer

July 16, 2008 | User rating: 4.5 / 5 after 21 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, ...


Connect the Quantum Dots

July 18, 2006 | User rating: 3.7 / 5 after 14 vote(s) | No comments yet

A new study, published today in the current issue of the Proceedings of the National Academy of Sciences has significant implications for the design of disease markers and the development of chemoreceptors used in human biomedical ...


Scientists form alliance to develop nanotoxicology protocols

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

A team of materials scientists and toxicologists announced the formation of a new international research alliance to establish protocols for reproducible toxicological testing of nanomaterials in both cultured cells and animals. ...


Iron oxide nanoparticles may help detect, treat tumors

May 01, 2006 | User rating: 3.8 / 5 after 15 vote(s) | No comments yet

A new technique devised by MIT engineers may one day help physicians detect cancerous tumors during early stages of growth. The technique allows nanoparticles to group together inside cancerous tumors, creating masses with ...


Nano probe may open new window into cell behavior

July 24, 2006 | User rating: 4.3 / 5 after 9 vote(s) | No comments yet

To create drugs capable of targeting some of the most devastating human diseases, scientists must first decode exactly how a cell or a group of cells communicates with other cells and reacts to a broad spectrum ...


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

July 16, 2008 | User rating: 4.5 / 5 after 11 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 ...


New designer lipid-like peptide with lipid nanostructures for drug delivery systems

May 30, 2007 | User rating: not shown ( 3 vote(s) ) | No comments yet

Scientists from Institute of Biophysics and Nanosystems Research (IBN), Austrian Academy of Sciences and of Centre for Biomedical Engineering, Massachusetts Institute of Technology, Cambridge, USA report the study of “Tuning ...


Nanotechnology: Learning from past mistakes

July 21, 2008 | User rating: 3.6 / 5 after 5 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 ...


Nano World: Nano risk blueprint proposed

July 19, 2006 | User rating: 3.7 / 5 after 6 vote(s) | No comments yet

Instead of a general call for more federal research into the risks of nanotechnology, a new strategy proposes a move beyond to recommend how these investigations should get prioritized and implemented, experts tell UPI's ...


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

July 16, 2008 | User rating: not shown ( 4 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 ...


An alternative to chemotherapy: Nanoparticles tackle pediatric brain tumors

July 14, 2008 | User rating: 4.1 / 5 after 9 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 ...


Nanomaterials Key to New Strategies for Blocking Metastasis

July 09, 2008 | User rating: not shown ( 4 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, ...


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, ...


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 ...


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