Patterned Paper is Used to Detect Infectious Disease, Food Contaminants (IMAGE)

McMaster University

Patterned Paper is Used to Detect Infectious Disease, Food Contaminants

Caption

A) Making paper sensors using a regular inkjet printer with cartridge containing DNA-based bio-irk. B) The paper sensor is simple to use -- add a droplet of test sample and look for the right text to show up. (C) A real sensor designed to detect two biomarkers, ATP ( a small-molecule biomarker for bacteria) and PDGF (a protein biomarker for cancer). 'A' lights up when ATP is present and 'P' lights up when the test sample has PDGF.

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McMaster University

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