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Nanomedicine

— Medical

Nanorobots wade through blood to deliver drugs

By - June 17, 2015 1 Picture

Nanorobots hold great potential in the field of medicine. This is largely due to the possibility of highly-targeted delivery of medical payloads, an outcome that could lessen side effects and negate the need for invasive procedures. But how these microscopic particles can best navigate the body's fluids is a huge area of focus for scientists. Researchers are now reporting a new technique whereby nanorobots are made to swim swiftly through the fluids like blood to reach their destination.

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— Science

New technique allows for production of drug-delivering silicone microspheres

By - May 8, 2015 1 Picture

Scientists are increasingly looking at using medication-filled microspheres for targeted drug delivery within the human body. Silicone would be a particularly good building material for such spheres, as it's biocompatible, waterproof, and chemically stable. Unfortunately, using traditional methods, it can't be made into small enough spheres. Now, however, a new process has allowed for the creation of silicone microspheres that are about one one-hundredth the size of any previously produced.

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— Science

Shape-shifting nanoprobes report on internal body conditions using magnetic fields

By - April 5, 2015 3 Pictures
Scientists have developed a new type of shape-shifting nanoprobe that can perform high-resolution remote biological sensing not possible with current technology. Around one-tenth the size of a single red blood cell, the nanoprobes are designed to provide accurate feedback on internal body conditions by altering their magnetic fields in response to their environment. The researchers predict wide-spread applications for the nanoprobes in the fields of chemistry, biology, engineering and, one day, to aid physicians in high-accuracy clinical diagnostics. Read More
— Medical

Drug-delivering nano "drones" to help prevent heart attacks

By - March 2, 2015 2 Pictures
Scientists have developed targeted, biodegradable nano "drones" to deliver anti-inflammatory drugs that heal and stabilize arterial plaque in mice. Their work could pave the way for more effective prevention of heart attack and stroke in humans caused by atherosclerosis, in which artery walls thicken and suffer reduced plasticity due to an accumulation of white blood cells. Read More
— Science

"World's smallest propeller" may find use on nanobots

By - July 30, 2014 1 Picture
All over the world, scientists are creating microscopic "nanobots" for purposes such as delivering medication to precisely-targeted areas inside the body. In order for those tiny payload-carrying robots to get to their destination, however, they need some form of propulsion. Although some systems are already in development, a team of Israeli and German scientists may have come up with the most intriguing one yet, in the form of what they claim is the world's smallest propeller. Read More
— Medical

Nanomotors controlled within living cells

By - February 11, 2014 1 Picture
Imagine if it were possible to send tiny machines into living cells, where they could deliver medication, perform ultra-micro surgery, or even destroy the cell if needed. Well, we've recently come a little closer to being able to do so. Scientists at Pennsylvania State University have successfully inserted "nanomotors" into human cells, then remotely controlled those motors within the cells. Read More

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