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Abstract

Conventionally, hypodermic needles have been used to administer a wide range of drugs from common vaccines to insulin. There are, however, several downsides to this traditional route of drug delivery, including the pain of injections, storage and temperature requirements , and the potential for infections. Microneedles, an idea initially introduced in the 1970s with recent developments in the past decade, offer a painless alternative to traditional needles.

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