July 2014
Intermediate to advanced
552 pages
16h 9m
English
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Chapter 10
Role of Advanced Materials as Nanosensors in Water Treatment
Abstract
The release of large quantities of heavy metals into the natural environment has resulted in a number of environmental problems. In this chapter we will concentrate on nanosensor materials for heavy metal ions detection in water. Nanoscale particles represent a new generation of environmental remediation technologies that could provide cost-effective solutions to some of the most challenging environmental clean-up problems. The developed method was applied for the detection of Pb(II), Zn(II) and Cd(II), etc., in water. The interaction of advanced materials with metal ions was investigated using microscopic and spectroscopic techniques.
Keywords: Core-shell nanomaterials, nanosensors, heavy metal ions, surface plasmon resonance (SPR), surface enhanced Raman spectroscopy (SERS)
10.1 Introduction
Contamination of the environment with heavy metal ions has been a major concern throughout the world for several decades [1] but the contamination of water is a serious worldwide threat to human health, which has become a challenge for scientists as well as analytical chemists. Water is an essential natural source which is often considered to be available abundantly and free of cost [2]. Environmental security has been threatened by a ...
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