Magnetic Nanomaterials for Environmental Applications

The sections in this article are

1 Introduction

1.1 The Aim of the Chapter

1.2 The Role of Nanomaterials in Environmental Detection

2 Synthesis and Functionalization of Magnetic Nanoparticles

2.1 Synthetic Strategies for Magnetic Metal Oxide Nanoparticles

2.1.1 Coprecipitation

2.1.2 Thermal Decomposition

2.1.3 Other Synthetic Methods

2.2 Functionalization of Magnetic Nanoparticles

2.2.1 Organic Ligand Modification

2.2.2 Stabilization with Polymers

2.2.3 Inorganic Stabilization with Silica or Carbon

2.2.4 Less Common Methods of Passivation

3 Magnetic Nanoparticles for the Separation and Detection of Analytes

3.1 Chemical Separations with Functionalized Magnetic Nanoparticles

3.2 High Magnetic Field Gradient Separation and Preconcentration

3.3 Electrochemical Detection Enhanced by Magnetic Nanomaterials for Preconcentration

3.4 Analyte Detection Using Magnetic Nanoparticles through Nonelectrochemical Methods

4 Summary and Future Perspective

5 Acknowledgments

Keywords: magnetic nanoparticles; synthesis; heavy metals; remediation; separation