Journal
BIOTECHNOLOGY ADVANCES
Volume 33, Issue 6, Pages 666-680Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.biotechadv.2015.03.003
Keywords
Bacteria; Virus; Fungus; Point-of-care; DNA; RNA; Protein; Small molecule; PCR; Color
Categories
Funding
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- M. Moo-Young Biochemical Engineering Scholarship
- NSERC Vanier Canada Graduate Scholarship
- Waterloo Institute for Nanotechnology (WIN) Nanofellowship
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Rapid detection of pathogens is crucial to minimize adverse health impacts of nosocomial, foodborne, and water-borne diseases. Gold nanoparticles are extremely successful at detecting pathogens due to their ability to provide a simple and rapid color change when their environment is altered. Here, we review general strategies of implementing gold nanoparticles in calorimetric biosensors. First, we highlight how gold nanoparticles have improved conventional genomic analysis methods by lowering detection limits while reducing assay times. Then, we focus on emerging point-of-care technologies that aim at pathogen detection using simpler assays. These advances will facilitate the implementation of gold nanoparticle-based biosensors in diverse environments throughout the world and help prevent the spread of infectious diseases. (C) 2015 Elsevier Inc All rights reserved.
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