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The principles and applications of nano-diagnosis system for a nano-biosensor
김종민,Karube Isao,장상목,Hiroshi Muramatsu 한국화학공학회 2011 Korean Journal of Chemical Engineering Vol.28 No.4
In this review, the basic principles and research trends of biosensors are briefly described and a nano-sensing system applying QCM (quartz crystal micro-balance), nano-diagnosis methods by AFM (atomic force microscopy)and SNOAM (scanning near-field/atomic force microscopy) is discussed intensively. The principle, construction, and applications of piezoelectric crystal sensors as a universal sensor are reviewed. This review is focused mainly on liquid phase applications, such as immune-sensors, gelation detecting sensors, and cultured cell monitoring sensors. The principle of nano-diagnosis based on the AFM or SNOAM techniques is described in detail. Finally, the binding affinity of peptide probes to proteins using AFM and the visualizing of a hybridized PNA probe on a DNA molecule using SNOAM are evaluated and discussed.