Singh, Pargat and Kakkar, Saloni and Bharti, . and Kumar, Rajesh and Bhalla, Vijayender (2019) Rapid and sensitive colorimetric detection of pathogens based on silver-urease interactions. Chemical communications (Cambridge, England), 55 (33). pp. 4765-4768. ISSN 1364-548X
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Herein, we demonstrate a facile and economic approach for colorimetric detection of microbial pathogens in drinking water, employing silver-urease interactions. In the presence of harmful pathogens, receptor coated silver nanoparticles (AgNPs) preferentially bind to the bacterial surface and urease catalytically elevates the pH of the solution, which is sensed by a pH responsive chromogenic dye. The assay demarcates bacterial contamination levels up to 102 cells mL-1 in a field-friendly method.
| Item Type: | Article |
|---|---|
| Additional Information: | Copyright of this article belongs to Royal Society of Chemistry. |
| Subjects: | Q Science > QR Microbiology |
| Depositing User: | Dr. K.P.S.Sengar |
| Date Deposited: | 16 Aug 2019 14:30 |
| Last Modified: | 16 Aug 2019 14:30 |
| URI: | http://crdd.osdd.net/open/id/eprint/2418 |
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