A New Paper-Based Microfluidic Device for Improved Detection of Nitrate in Water.

ABSTRACT: In this paper, we report a simple and inexpensive paper-based microfluidic device for detecting nitrate in water. This device incorporates two recent developments in paper-based technology suitable for nitrate detection and has an optimized microfluidic design. The first technical advancement employed is an innovative fibrous composite material made up of cotton fibers and zinc microparticles that can be incorporated in paper-based devices and results in better nitrate reduction. The second is a detection zone with an immobilized reagent that allows the passage of a larger sample volume. Different acids were tested-citric and phosphoric acids gave better results than hydrochloric acid since this acid evaporates completely without leaving any residue behind on paper. Different microfluidic

SUBMITTER: Charbaji A 

PROVIDER: S-EPMC7794956 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature