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/ Health News / 2008 / January 2008 / January 8, 2008 Hybrid needles may soon make the jab painless |
How cancer prevention drives aging
For the first time, researchers have found how cellular senescence, the well-known mechanism for preventing cancer, can trigger aging and age-related disease by changing the local tissue environment. ANI
Scientists unveil genes vital to vital to adult heart function
In a study on fruit fly Drosophila, scientists at the Burnham Institute for Medical Research (Burnham) have found that genes involved in embryonic heart development are vital to adult heart function in both fruit flies and humans. ANI
Psychiatric disorders common among college-aged
A new study has revealed that psychiatric disorders appear to be common among 18- to 24-year-olds, with overall rates similar among those attending or not attending college. ANI
Researchers at the University of North Carolina and Laser Zentrum Hannover have developed a new polymerization technology, which can ease the pain of injections and blood draws.
Washington, Jan 8: Researchers at the University of North Carolina and Laser Zentrum Hannover have developed a new polymerization technology, which can ease the pain of injections and blood draws.
The team led by Roger Narayan have created fine hollow needles by using two-photon polymerization that the patients wouldn't feel them piercing into their skin.
These microneedles, clustered together on a patch, can deliver drugs or draw blood efficiently as standard hypodermic needles.
"Microneedles may be integrated with micropumps and biosensors to provide autonomous sampling of blood, analysis, and drug-delivery capabilities for treatment of chronic disease," said Narayan.
"For example, one needle, pump and sensor unit would assay the glucose level in interstitial fluid of patients with diabetes mellitus. Another needle, pump and drug-delivery unit would deliver insulin in a continuous or programmed manner," he added.
These breakage resistant needles are made up of two-photon polymerization of organically modified ceramic (Ormocer) hybrid materials.
These hybrid needles can also be made in wide range of sizes than those made with traditional micro-fabrication techniques.
Narayan believes that people receiving frequent injections or blood monitoring will benefit the most with this technique.
The findings appear in International Journal of Applied Ceramic Technology.
ANI
