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Published 14:48 25 Aug 2014 BST
Updated 15:03 25 Jan 2017 GMT
'And so the idea of creating a nail polish that detects date rape drugs was born.'
Undercover Colours requires the wearer to dip her finger into her drink to stir it, with a date rape drug changing the colour of the paint on her nail. Undercover Colours is still in development and the four students are currently fundraising to perfect their formula.
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