科研之友
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摘要
Purpose - This paper sets out to highlight selected projects in nanosensor research, demystify the technology and show potential applications in engineering fields.
Design/methodology/approach - 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.
Findings - "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.
Originality/value - This paper helps the general engineer to appreciate some aspects of nanotechnology. References to recent publications allow engineers to follow up their interests.
- 出版日期2008
