Bio & Medicine news

Live recordings of cell communication

Aug 06, 2009 | 3 / 5 (1) | 2

Neurons communicate with each other with the help of nano-sized vesicles. Disruption of this communication process is responsible for many diseases and mental disorders like e.g. depression. Nerve signals travel from one ...

To Fight Drug Addiction, Researchers Target the Brain with Nanoparticles

Nanotechnology / Bio & Medicine

Mar 23, 2009 | 4 / 5 (1) | 0

(PhysOrg.com) -- A precise, new nanotechnology treatment for drug addiction may be on the horizon as the result of research conducted at the University at Buffalo.

New Nanoparticles Could Revolutionize Therapeutic Drug Discovery

Nanotechnology / Bio & Medicine

Jul 24, 2009 | 5 / 5 (1) | 0

Understanding the structure of proteins is a vital first step in developing new drugs, but to date, researchers have had difficulty studying the large number of proteins that are normally embedded in the cell membrane, a ...

Fresh Pot of Tea Strikes Anticancer Gold

Nanotechnology / Bio & Medicine

Apr 27, 2009 | 5 / 5 (10) | 0

(PhysOrg.com) -- Researchers from the University of Missouri-Columbia report in the Journal of Materials Chemistry that chemicals in tea are the best yet discovered to make consistent, biologically safe gold nanoparticles. More i ...

Aerosolized nanoparticles show promise for delivering antibiotic treatment

Nanotechnology / Bio & Medicine

May 19, 2009 | not rated yet | 0

Aerosol delivery of antibiotics via nanoparticles may provide a means to improve drug delivery and increase patient compliance, thus reducing the severity of individual illnesses, the spread of epidemics, and possibly even ...

New windows opened on cell-to-cell interactions (w/ Video)

Nanotechnology / Bio & Medicine

Jul 22, 2009 | 5 / 5 (1) | 0

Applying biological molecules from cell membranes to the surfaces of artificial materials is opening peepholes on the very basics of cell-to-cell interaction.

MIT student develops new innovations to selectively kill cancer cells

Nanotechnology / Bio & Medicine

Mar 03, 2009 | 4.9 / 5 (15) | 5

When it comes to solving complex problems, Geoffrey von Maltzahn, MIT graduate student and biomedical engineer, looks to nature for solutions. Finding inspiration in systems that evolution has produced, von ...

Monitoring Cancer Cell Changes With Quantum Dots

Nanotechnology / Bio & Medicine

Jul 23, 2009 | 5 / 5 (1) | 0

One of the earliest events that changes a normal cell into a malignant one is known as deoxyribonucleic acid (DNA) hypermethylation, a biochemical alteration that inactivates critical tumor-suppressor genes. A team of investigators ...

Twinkling nanostars cast new light into biomedical imaging

Nanotechnology / Bio & Medicine

Jul 21, 2009 | 5 / 5 (2) | 1

(PhysOrg.com) -- Purdue University researchers have created magnetically responsive gold nanostars that may offer a new approach to biomedical imaging.

Nanoparticles Image Breast Cancer

Nanotechnology / Bio & Medicine

Jul 21, 2009 | not rated yet | 0

Current methods of detecting breast cancer suffer from low sensitivity, limited spatial resolution, or the need to use complicated and expensive radioisotope-based technologies. A new report from investigators at the Emory-Georgia ...

Pioneering medical nanotechnology offers new cancer breakthrough hope

Nanotechnology / Bio & Medicine

Apr 17, 2009 | 5 / 5 (5) | 1

A multi-disciplinary team of scientists from the University of Leicester could be potentially paving the way for the development of a powerful new strategy for both the early diagnosis and treatment of prostate ...

findNano app puts nanotech in your pocket

Nanotechnology / Bio & Medicine

Nov 12, 2009 | 5 / 5 (1) | 0

The Project on Emerging Nanotechnologies (PEN) has developed findNano, an application for Apple's iPhone and iPod Touch that lets users discover and determine whether consumer products are nanotechnology-enabled. Nanotechnology, ...

Carbon Nanotubes Continue To Show Promise in Battle Against Cancer

Nanotechnology / Bio & Medicine

Jun 30, 2009 | 5 / 5 (2) | 0

Carbon nanotubes, one of the original engineered nanomaterials, also may prove to be among the most versatile, as numerous teams of investigators continue to develop novel nanotube-based therapeutic and diagnostic tools. ...

EarthTalk: What is 'nanotechnology'?

Nanotechnology / Bio & Medicine

May 25, 2009 | 3 / 5 (5) | 4

Dear EarthTalk: What is "nanotechnology"? I've heard that nanoparticles are already in consumer products, yet we haven't really studied their potential health impacts. (Dan Zeff, San Francisco)

Nanosensor Arrays 'Smell' Cancer

Nanotechnology / Bio & Medicine

Apr 27, 2009 | 5 / 5 (4) | 0

(PhysOrg.com) -- In 2006 researchers established that dogs could detect cancer by sniffing the exhaled breath of cancer patients. Now, using nanoscale arrays of detectors, two groups of investigators have shown that a compact ...