This paper sets out to highlight selected projects in nanosensor research, demystify the technology and show potential applications in engineering fields.
Nano devices for sensing humidity and oxygen concentration are presented with applications in industrial monitoring. Then two approaches to the development of high‐density optical memory are given. Next, a miniature flow cytometry system is described for the identification of marine micro‐organisms and bacteria. Finally, photonic crystal structures with the ability to control and manipulate light are addressed.
“Nano” is currently a popular term, with a mass of publications in this area. Many universities have set up specialised centres for nanotechnology research. Crystalline materials with shape‐selective nanopores can be designed to detect particular chemicals. Successful nanosensors are sensitive, simple, fast and low‐cost.
This paper helps the general engineer to appreciate some aspects of nanotechnology. References to recent publications allow engineers to follow up their interests.
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