Nanoparticle News and Research

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In nanotechnology, a particle is defined as a small object that behaves as a whole unit in terms of its transport and properties. It is further classified according to size: in terms of diameter, fine particles cover a range between 100 and 2500 nanometers, while ultrafine particles, on the other hand, are sized between 1 and 100 nanometers.

Researchers use nanoparticles to make 3-D DNA nanotubes

Arizona State University researchers Hao Yan and Yan Liu imagine and assemble intricate structures on a scale almost unfathomably small.

1 Jan 2009

Gold particles and infrared light for controlled drug delivery

Using tiny gold particles and infrared light, MIT researchers have developed a drug-delivery system that allows multiple drugs to be released in a controlled fashion.

1 Jan 2009

Discovery of molecule that targets brain tumors

UC Davis Cancer Center researchers report today the discovery of a molecule that targets glioblastoma, a highly deadly form of cancer.

30 Dec 2008

Magnetic nanotags allow sensitive detection of cancer biomarkers

The detection of cancer-associated proteins, or biomarkers, in blood samples is a potentially powerful tool for early diagnosis of cancer and monitoring of cancer treatment.

29 Dec 2008

Measuring nanoparticle behavior in the body using MRI

One of the key steps in the development of any drug or imaging agent intended for human use is measurement of the adsorption, metabolism, and excretion of the drug.

29 Dec 2008

Targeted nanoparticles deliver therapeutic DNA to cancer cells

Given that cancer is a disease caused by gene mutations, cancer researchers have been striving to develop gene therapies aimed at correcting these mutations. However, these efforts have been hobbled by the difficulty in safely and efficiently delivering anticancer genes to tumors. Nanoparticles, however, may solve these delivery issues, and two recently published studies, using two different types of nanoparticles, lend credence to that hypothesis.

29 Dec 2008

Ultrafine polishing with silica nanoparticles protects teeth

Clarkson University Center for Advanced Materials Processing Professor Igor Sokolov and graduate student Ravi M. Gaikwad have discovered a new method of protecting teeth from cavities by ultrafine polishing with silica nanoparticles.

18 Dec 2008

First nanomedicine textbook published

Formalizing progress in nanoscience and nanotechnology, engineering researchers at the University of Arkansas have published the first textbook on the emerging field of nanomedicine.

18 Dec 2008

Levels of two proteins impact survival in ovarian cancer

Levels of two proteins in a woman's ovarian cancer are strongly associated with her likelihood of survival, a research team led by scientists at The University of Texas M. D. Anderson Cancer Center reports in the Dec. 18 issue of the New England Journal of Medicine.

17 Dec 2008

New biosensor could help the search for new drugs

Chalmers researcher Andreas Dahlin has developed a biosensor with an artificial membrane, which means that membrane-bound proteins can retain their natural structure and function.

10 Dec 2008

Prototype blood scanner detects even faint indicators of cancer

A team led by Stanford researchers has developed a prototype blood scanner that can find cancer markers in the bloodstream in early stages of the disease, potentially allowing for earlier treatment and dramatically improved chances of survival.

3 Dec 2008

Scientists discover new properties of imidazolium salts

Scientists at Singapore's Institute of Bioengineering and Nanotechnology (IBN) have uncovered new properties of imidazolium salts (IMSs), which suggest that they could play a vital role in disease prevention and treatment.

1 Dec 2008

Scientists create new soap free emulsion polymerization process

Research chemists at the University of Warwick have devised an elegant process which simply and cheaply covers small particles of polymer with a layer of silica-based nanoparticles.

24 Nov 2008

Targeted nanoparticles boost platinum-based anticancer therapy

A research team from the Massachusetts Institute of Technology (MIT)-Harvard Center for Nanotechnology Excellence has custom-designed nanoparticles that can deliver the anticancer drug cisplatin specifically to prostate cancer cells.

20 Nov 2008

Nanoparticle reports on drug delivery to breast tumors, predicts response to therapy

One of the hallmarks of many nanoparticle-based anticancer therapeutics and imaging agents is that they accumulate in tumors thanks to the fact that they are small enough to escape from the bloodstream through the leaky blood vessels that surround tumors.

20 Nov 2008