Paper-based analytical devices (PADs) have the potential for low-cost, rapid point-of-use testing with easier and cheaper fabrication than (for example) 3D laser-printed microfluidics.
This review states that it covers cutting edge applications for food authenticity analysis and includes a section on how close some of the applications are to commercialisation. There is no detail in the publicly-available abstract as to what topics or applications the review covers. Purchase of the article would be needed to ascertain its use or relevancy. It is published in a reputable peer-reviewed journal.
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