Abstract
Trace detection of chemicals and biological species like industrial gases, proteins, drug molecules, and chemical warfare agents, is an important issue to human health and safety. Central to this issue is the development of high sensitivity, high selectivity, high stability and rapid detection chemical and bio-sensors. With special geometry and chemical and physical properties, one-dimensional (1-D) metal oxide nanostructures have become the promising candidates for chemical and biosensing applications in recent years. Here, we intend to provide an overview on this interesting and important field. In the first part, the patents for rational synthesis of 1-D metal oxide nanostructures on a large scale will be introduced. The patents on chemical and biosensors built on 1-D metal oxide nanostructures are then introduced in the second part. Finally, we provide a review of the recent development of electronic nose systems using 1- D metal oxide nanostructures, which show great potential for the improvement of sensing abilities.
Keywords: Metal oxides, nanowires, chemical sensors, biosensors, nanomaterials
Call for Papers in Thematic Issues
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Vanadium and titanium-based materials are ideal candidates for structural and functional materials in aerospace, biomedical engineering, optics, catalysis, energy storage and conversion etc. Vanadium/titanium-based alloys, compounds and materials have a large family with different chemical compositions, dimensions, structures/morphologies, and chemical/physical/mechanical properties, which provides huge opportunities for the development of emerging ...read more
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