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Nanomedicine

Medical

New cancer treatment targets sick cells only

Chemotherapy is the standard treatment for cancer but it also causes strong side effects and kills not only cancer cells, but healthy ones, too. In order to mitigate the damage this type of therapy causes to a person already ravaged by illness, a team of Brazilian researchers is working a new technique to deliver drugs with more precision, so healthy cells are more likely to be spared from chemical onslaught.Read More

Medical

X-rays and nanoparticles combine to kill cancer deep in the body

Cancer may be terrifying, but cancerous cells aren't actually that difficult to kill. The tricky bit is doing so without killing the host or making them dreadfully ill in the process. The key is treatments that only target the cancer cells while leaving the surrounding healthy tissue alone. By combining X-rays with nanoparticles, a team of researchers from the Centre for Nanoscale BioPhotonics (CNBP) in Australia has found a way of combating cancer deep inside the body in this way using a simple chemical.Read More

Science

Oscillating electric field used to remove nanoparticles from blood

Nanoparticles as a vehicle for delivering drugs precisely where they are needed promise to be a major revolution in medical science. Unfortunately, retrieving those particles from the body for detailed study is a long and involved process. But that may soon change with a team of engineers at the University of California, San Diego developing a technique that uses an oscillating electric field to separate nanoparticles from blood plasma in a way that may one day make it a routine procedure.
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Medical

Drug-infused hydrogel coatings add firepower to nanoshell cancer treatment

Building on previous work, researchers at Duke University have developed a new technology that wraps nanoshells in a thin film of drug-infused hydrogel, adding additional firepower to the already promising targeted cancer treatment. The hydrogel is loaded with cancer-fighting drugs and coated onto the nanoshells, which heat up when exposed to infrared light and release the chemotherapeutic drugs, delivering a one-two punch, directly to the tumour.Read More

Medical

Nanorobots wade through blood to deliver drugs

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. Read More

Medical

New technique allows for production of drug-delivering silicone microspheres

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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Medical

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

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

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

Robotics

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

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

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