A Critical Review on the Synthesis and Application of Ion-Imprinted Polymers for Selective Preconcentration, Speciation, Removal and Determination of Trace and Essential Metals from Different Matrices

Silindokuhle Jakavula, N. Raphael Biata, K. Mogolodi Dimpe, Vusumzi E. Pakade, Philiswa N. Nomngongo

Research output: Contribution to journalReview articlepeer-review

27 Citations (Scopus)

Abstract

The presence of toxic trace metals and high concentrations of essential elements in the environment presents a serious threat to living organism. Various methods have been used for the detection, preconcentration and remediation of these metals from biological, environmental and food matrices. Owing to the complexicity of samples, methods with high selectivity have been used for detection, preconcentration and remediation of these trace metals. These methods are achieved by the use of ion-imprinted polymers (IIPs) due to their impressive properties such as selectivity, high extraction efficiency, speciation capability and reusability. Because of the increase of toxic trace and essential metals in the environment, IIPs have attracted great use in analytical chemistry. This review, provide a brief background on IIPs and polymerization method that are used for their preparation. Recent applications of IIPs as adsorbents for preconcentration, removal, speciation and electrochemical detection of trace and essential metal is also discussed.

Original languageEnglish
Pages (from-to)314-326
Number of pages13
JournalCritical Reviews in Analytical Chemistry
Volume52
Issue number2
DOIs
Publication statusPublished - 2022

Keywords

  • Adsorption
  • electrochemical sensors
  • ion-imprinted polymers
  • preconcentration
  • selectivity
  • speciation
  • trace metals

ASJC Scopus subject areas

  • Analytical Chemistry

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