Nano-Enabled sensors for detection of arsenic in water

被引:57
作者
Thakkar, Shalini [1 ,2 ]
Dumee, Ludovic F. [3 ,4 ,5 ]
Gupta, Manish [6 ]
Singh, Braj Raj [1 ]
Yang, Wenrong [2 ]
机构
[1] TERI Deakin Nano Biotechnol Ctr, Energy & Resources Inst, TERI Gram, Gurgaon Faridabad Rd, Gurugram 122001, Haryana, India
[2] Deakin Univ, Fac Sci Engn & Built Environm, Waurn Ponds, Vic 3216, Australia
[3] Deakin Univ, Inst Frontier Mat, Waurn Ponds, Vic 3216, Australia
[4] Khalifa Univ, Dept Chem Engn, Abu Dhabi, U Arab Emirates
[5] Khalifa Univ, Ctr Membrane & Adv Water Technol, Abu Dhabi, U Arab Emirates
[6] SGT Univ, SGT Coll Pharm, Gurugram Badli Rd, Gurugram 122505, Haryana, India
关键词
Arsenic detection; Nanostructured sensors; Electrochemical and optical nanosensor; Nano-enabled sensing; Smart nanosensors; Surface chemistry; ENHANCED RAMAN-SCATTERING; SENSITIVE ELECTROCHEMICAL DETECTION; ATOMIC FLUORESCENCE SPECTROMETRY; TARGET INDUCED AGGREGATION; COLORIMETRIC DETECTION; GOLD NANOPARTICLES; SELECTIVE DETECTION; SPECTROPHOTOMETRIC DETERMINATION; ULTRASENSITIVE DETECTION; CARBON ELECTRODE;
D O I
10.1016/j.watres.2020.116538
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The elevated cases of arsenic contamination reported across the globe have made its early detection and remediation an active area of research. Although, the World Health Organisation has set the maximum provisional value for arsenic in drinking water at 10 parts per billion, yet concentrations as high as 50 00 parts per billion are still reported. In human beings, chronic arsenic exposure can culminate into lethal diseases such as cancer. Thus, there is a need for urgent emergence of efficient and reliable detection system. This paper offers an overview of the state-of-art knowledge on current arsenic detection mechanisms. The central agenda of this paper is to develop an understanding into the nano-enabled methods for arsenic detection with an emphasis on strategic fabrication of nanostructures and the modulation of nanomaterial chemistry in order to strengthen the knowledge into novel nano-enabled solutions for arsenic contamination. Towards the end prospects for arsenic detection in water are also prompted. (C) 2020 Elsevier Ltd. All rights reserved.
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页数:12
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