Spinel Sensors and Biosensors

Magnetic nanoparticles have gained growing attention in the formation and development of sensors and biosensors for many applications. Spinel nanoferrite structures are the most broadly discovered detecting structures for the finding and quantification of the progress of hazardous gases resulting from various industries and biological and waste applications. Additionally, these nanoparticles are used for observing, serving, and instructing many environmental contaminants. This chapter proceeding the literature accessible on ferrite materials. Nanoferrite structures are one of the most sightseen promising sensing structures for the detection, identification, and quantification of the advancement of various toxic gases from biological pollutants, vehicle exhaust, environmental pollution, and industry fields. Generally, spinel ferrites possess specific porosity and physicochemical absorption features, which are easily improved. This chapter describes and discusses the modern applications of spinel ferrites in sensor and biosensor fields and will address future developments and their perspectives.