NDLI: Enhancing microcantilever capability with integrated AC electroosmotic trapping

Content Provider	Springer Nature Link
Author	Islam, N. Lian, M. Wu, J.
Copyright Year	2006
Abstract	Microcantilevers are finding wide applications in detecting biochemical agents. However, their usage has been limited to highly concentrated samples to ensure sufficient deposition of agents onto cantilevers. A pre-concentration or enrichment step will expand their application range to more dilute, practical samples and real-time detection. This paper reports the integration of in-situ particle concentrators on microcantilevers. Only a thin metal layer on microcantilevers is required to generate microfluidic convection of particles from solution bulk onto microcantilever surfaces, greatly enriching local particle counts and enhancing sensitivity of the system. A working prototype is presented in the paper. Preliminary experiments concentrating latex particles were conducted and the particle concentration effect has been experimentally verified using AFM probes as microcantilevers. As ACEO concentrator has no dependence on particle properties, the method is expected to be applicable to bio-particles collection.
Starting Page	369
Ending Page	375
Page Count	7
File Format	PDF
ISSN	16134982
Journal	Microfluidics and Nanofluidics
Volume Number	3
Issue Number	3
e-ISSN	16134990
Language	English
Publisher	Springer-Verlag
Publisher Date	2006-11-30
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	AC electroosmosis Microfluidic Particle trapping Microcantilever Engineering Thermodynamics, Transport Phenomena Mechanics, Fluids, Thermodynamics Nanotechnology Polymer Sciences Medical Microbiology Engineering Fluid Dynamics
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Materials Chemistry Condensed Matter Physics Electronic, Optical and Magnetic Materials

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