Nath, Peuli and Arun, Ravi Kumar and Chanda, Nripen (2014) A paper based microfluidic device for the detection of arsenic using a gold nanosensor†. RSC Adv., 4. 59558-–59561. ISSN 2046-2069

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A paper based microfluidic device is fabricated that can rapidly detect very lowconcentrations of As3+ ions using a gold nanosensor, Au–TA– TG. This simple but efficient system develops a visible bluish-black colour precipitate due to the formation of nanoparticle aggregates through transverse diffusive mixing of Au–TA–TG with As3+ ions on a paper substrate. The approach is extremely selective for arsenic with a detection limit of 1.0 ppb, which is lower than the WHO's reference standard for drinking water.

Item Type: Article
Subjects: Nano-technology
Depositing User: Mr. Soumya Sen Sharma
Date Deposited: 15 Jan 2016 13:07
Last Modified: 15 Jan 2016 13:07

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