New research deconstructing the anatomy of a honeybee stinger could help pave the way for a future generation of miniaturized medical devices used for drug delivery in humans.
, the high-resolution 3D deconstructions produced by University of New South Wales Canberra researchers reveal the unique properties of the bee's powerful defense mechanism, including the numerous barbs responsible for why the stinger is able to work its way deeper into the skin while pumping venom after stinging.
"Previous studies have shown that a bee stinger is very good at piercing skin with minimal force, but it is very hard to remove once it is embedded," A/Prof. Ravi said."This is a really useful property for medical devices that need to be very precisely inserted without damaging surrounding tissues." Dr. Ramirez Esquivel said because a bee stinger is so small—just approximately 2mm in length—the research team had to use a combination of techniques to observe the stinger and decode how it works.
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