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3D Raman mapping of a transdermal patch

A transdermal patch is a method of drug delivery through the skin into the bloodstream. The patch contains a drug which absorbs into your skin when attached to you and it releases a consistent and controlled amount of medication into the body over long periods of time. One of the most common uses of transdermal patches is to combat nicotine addiction. This application note studies a nicotine patch to reveal the active pharmaceutical ingredient as well as the polymer layers encapsulating it using confocal Raman microscopy.