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Diagnostics, Methodologies and Instrumentation
, Drugs, Vaccines and Therapeutics
by ruth on January 4, 2006
Unlike some other microcapsules, which release their drug cargo only when exposed to ultrasonic waves or another external trigger, the new system relies on internal mechanisms to do the same job. Each of the new microparticles features a biodegradable gel core that is surrounded by a lipid membrane. As the gel biodegrades, pressure builds up in the membrane. Eventually the microcapsule ruptures, releasing the medication.
The system could allow certain vaccines to be given in a single shot, with the "booster" microcapsules timed to rupture at appropriate intervals, eliminating the need for subsequent booster injections. The research will be published on the Jan. 9, 2006 print issue journal Biomacromolecules.
Source: ACS News Service
Trackback: http://publish.creative-weblogging.com/publish/mt-tb.pl/13227
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Nanotechnology is making possible a convergence between the living world of cells and the electrical and mechanical world of machines. In the strange world of microelectromechanical systems (MEMS) the boundaries separating living and nonliving systems...
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