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Medicineworld.org: Micro Pills To Deliver Drugs On Demand

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Micro Pills To Deliver Drugs On Demand

Micro Pills To Deliver Drugs On Demand Vesicle membranes that collapse when cooled may someday deliver minute payloads of medicines.
Credit: Sahraoui Chaieb, Univerity of Illinois at Urbana Champaign
Scientists have now crafted tiny, hollow capsules out of lipids--water-repellant molecules in the same family as fats and oils--that crumple and collapse when cooled below body temperature. The collapse squeezes out whatever chemicals are inside the miniscule ball in a controlled manner that could one day deliver drugs to the human body or improve cosmetics.

Developed by physicist and NSF (Faculty Early Career Development Program (CAREER) awardee Sahraoui Chaieb and colleagues at the University of Illinois at Urbana-Champaign, the capsules range in size from 10 to 100 micrometers (millionths of a meter) across.

For now, the capsules are in the earliest stages of development and still not ready for medical use, eventhough the scientists are discussing potential applications of the technology with a cosmetics company.

Before the capsules can be used to deliver medicine, the scientists say they must first develop a mechanism to cool the tiny pills without endangering surrounding body tissues.

The research was reported in the Feb. 17 issue of Physical Review Letters.



Posted by: Scott    Source




Did you know?
Scientists have now crafted tiny, hollow capsules out of lipids--water-repellant molecules in the same family as fats and oils--that crumple and collapse when cooled below body temperature. The collapse squeezes out whatever chemicals are inside the miniscule ball in a controlled manner that could one day deliver drugs to the human body or improve cosmetics.

Medicineworld.org: Micro Pills To Deliver Drugs On Demand

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