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Sriram, Ganesan and Bhat, Mahesh P. and Patil, Pravin and Uthappa, Uluvangada T. and Jungb, Ho-Young and Altalhi, Tariq and Kumeria, Tushar and Aminabhavi, Tejraj M. and Pai, Ranjith Krishna and Madhuprasad, . and Kurkuri, Mahaveer D. (2017) Paper-based microfluidic analytical devices for colorimetric detection of toxic ions: A review. Trends in Analytical Chemistry, 93. pp. 212-227.

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Paper-based microfluidic analytical devices (μPADs) are becoming valuable tools in analytical area due to their attractive passive movements of analyte without any external forces due to capillary phenomenon. Techniques used to design microfluidic patterns are cost-effective, less sample requirement, environmentally benign and rapid analysis. The application of μPADs with intricate fabrication methods have emerged over a decade in several fields such as diagnostics, biological, food safety, environemental analysis, electrochemical and colorimetric detections. The present review addresses colorimetric detection of metal ions and nitrites from various sources using a simple filter paper (Whatman®) as μPADs, since filter paper is white in color, possibility of liquid transport through capillary action and high surface area offers high detection efficiency. Due to its importance as an analytical tool, an attempt has been made here to critically discuss the present scenario and future prospects of this technique.

Item Type: Article
Subjects: Analytical Chemistry
Depositing User: Unnamed user with email alok@urdip.res.in
Date Deposited: 13 Oct 2017 12:23
Last Modified: 13 Oct 2017 12:23
URI: http://dst.sciencecentral.in/id/eprint/33

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