Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/6651
Title: Smart phone assisted detection and quantification of cyanide in drinking water by paper based sensing platform
Authors: İncel, Anıl
Akın, Osman
Çağır, Ali
Yıldız, Ümit Hakan
Demir, Mustafa Muammer
İncel, Anıl
Çağır, Ali
Yıldız, Ümit Hakan
Demir, Mustafa Muammer
Izmir Institute of Technology. Chemistry
Izmir Institute of Technology. Materials Science and Engineering
Keywords: Naked eye detection
Fluorescence turn on assay
Smart phone cyanide detector
Sensing platforms
Cyanides
Issue Date: 2017
Publisher: Elsevier Ltd.
Source: İncel, A., Akın, O., Çağır, A., Yıldız, Ü. H., and Demir, M. M. (2017). Smart phone assisted detection and quantification of cyanide in drinking water by paper based sensing platform. Sensors and Actuators, B: Chemical, 252, 886-893. doi:10.1016/j.snb.2017.05.185
Abstract: An organometallic dye, europium tetrakis dibenzoylmethide triethylammonium (EuD4TEA) and gold nanoparticles (Au NPs) impregnated paper based sensor platform have been utilized for development of fluorescence turn-on cyanide assay in aqueous media. The ordinary filter paper with 6 μ m pore size were employed as solid support that facilitates impregnation of EuD4TEA and gold nanoparticles and provides durability. Detection mechanism relying on two processes (i) dissolution of gold nanoparticles causing fluorescence recovery and (ii) ligand exchange of triethyl amine with CN group stimulating cyanide specific fluorescence enhancement. The paper platform exhibit naked eye distinguishable color transition upon CN− addition from 10−2 to 10−12 M. To standardize the methodology a homemade image processing algorithm has been developed that enabling calibration of color change and quantify CN− concentration. The described algorithm is applicable to Android smart phones and facilitate transforming these devices into a quantitative cyanide detector. The overall methodology provides instrument free cyanide detection and therefore rapid control of water quality and safety at off-field conditions.
URI: http://doi.org/10.1016/j.snb.2017.05.185
http://hdl.handle.net/11147/6651
ISSN: 0925-4005
0925-4005
Appears in Collections:Chemistry / Kimya
Materials Science and Engineering / Malzeme Bilimi ve Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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