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Nanotechnology
Using nanotechnology, UCLA researchers discover cancer cells 'feel' much softer than normal cells
By Dross at 2007-12-03 07:03
 

A multidisciplinary team of UCLA scientists were able to differentiate metastaticterm cancer cells from normal cells in patient samples using leading-edge nanotechnology that measures the softness of the cells.

The study, published Dec. 2, 2007 in the advance online edition of the journal Nature Nanotechnology, represents one of the first times researchers have been able to take living cells from cancer patients and apply nanotechnology to analyze them and determine which were cancerous and which were not. The nano science measurements may provide a potential new method for detecting cancer, especially in cells from body cavity fluids where diagnosis using current methods is typically very challenging. The method also may aid in personalizing treatments for patients.

read more | 871 reads

Nanoparticles carry chemotherapy drug deeper into solid tumors
By Dross at 2007-06-27 05:48
 

A new drug delivery method using nano-sized molecules to carry the chemotherapyterm drug doxorubicin to tumors improves the effectiveness of the drug in mice and increases their survival time, according to a study published online June 26 in the Journal of the National Cancer Institute.

In the past, similar drug carriers have improved targeted delivery of the drugs and reduced toxicity, but they sometimes decreased the drugs’ ability to kill the tumor cells. Using a new drug carrier, Ning Tang of the Chinese Academy of Sciences in Beijing and colleagues compared tumor growth and survival in mice that were given doxorubicin in the nanocarriers or on its own.

read more | 1 comment | 3276 reads

Nanocomposite labeled cancer cells can be targeted and destroyed using lasers
By Dross at 2007-05-21 21:37
 

A nanocomposite particle can be constructed so that it has a mix of properties that would not otherwise happen in nature. By combining an organic matrix with metallic clusters that can absorb light, it is possible to incorporate such particles into cells and then destroy those targeted cells with a laser. In a presentation at the NSTI Nanotech 2007 Conference, researchers describe work conducted at the NanoBiotechnology Center, Department of Radiation Medicine, Roswell Park Cancer Institute, Buffalo, NY and the University of Michigan, Ann Arbor, MI, regarding the creation and characterization of a dendrimer nanocomposite (DNC) matrix containing silver clusters that can be used to target and destroy melanoma cancer cells.

read more | 861 reads

Tiny Transistors Scout for Cancer -- Service 2003 (325): 3 -- ScienceNOW
By raja at 2007-01-27 04:24
 

Nanotechnology is a field still largely in its infancy but promises a revolutionary influence in a variety of different fields right from the food industry to aerospace to everything. It refers to the design of materials and devices in the scale of nanometers. Being able to manipulate matter at such extremely small scales leads to several benifits in the larger scale like for example stronger fibers for bullet-proof vests or faster computer chips. A very good description of nanotechnology can be found here. The level of funding for nanotechnology in the Unites States and the rest of the world has grown exponentially in the past several years and will continue to grow.

read more | 2270 reads

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