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Coming soon - biodegradable hypodermic needles |
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A scientist at the University in Seoul, South Korea, has perfected
the way of making biodegradable needles out of pharmaceuticals, by
suggesting that solid microneedles can be created made by mixing a drug
with a sticky syrup-like substance, which is coated in a thin layer
onto a substrate.
The idea of a biodegradable needle made of a particular drug has
been known for long. But nobody has perfected a way of making needles
out of pharmaceuticals, at least not ones that are sharp and thin
enough not to cause pain, plus long and strong enough to pierce the
epidermis, which is about 50 micrometres thick, generally.
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