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Issue 4, 2017
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Smartphone-based detection of dyes in water for environmental sustainability

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Abstract

We report the applicability of an ultra-low cost, field-deployable, plastic fiber based smartphone spectrometer system to study dye adsorption from water. A custom cradle using the smartphone's built-in flash and camera was designed for visible absorbance spectroscopy without any need for external electrical components. We firstly investigated the performance of the smartphone spectrometer for methylene blue (MB) absorbance in water with a detection limit of 0.5 ppm, and compared it to that of a commercial spectrometer. We elaborated on the contribution of image formats to the calibration of the standard absorbance curve. We then studied the catalytic activity of electrospun polyacrylonitrile (PAN)/zeolite composite nanofibers by analyzing MB adsorption as a function of time. The results obtained in the proposed compact, cost-effective and high-performance platform can help transform measurement science for sustainable water management.

Graphical abstract: Smartphone-based detection of dyes in water for environmental sustainability

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Article information


Submitted
11 Nov 2016
Accepted
19 Dec 2016
First published
20 Dec 2016

Anal. Methods, 2017,9, 579-585
Article type
Paper

Smartphone-based detection of dyes in water for environmental sustainability

G. K. Özdemir, A. Bayram, V. Kılıç, N. Horzum and M. E. Solmaz, Anal. Methods, 2017, 9, 579
DOI: 10.1039/C6AY03073D

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