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A Novel Nanoparticle Manipulation Method Using Atomic Force Microscope

Xu, JiaPeng
http://rave.ohiolink.edu/etdc/view?acc_num=osu1243987021

Abstract Details

2009, Master of Science, Ohio State University, Chemical Engineering.
Manipulation of nanoparticles is an upcoming field with potential applications in nanofabrication, nanomanufacturing and biomedical sensors and devices. Thus far mainly mechanical methods have been used to “remove” or “deposit” nanoparticles on different surfaces with little or no control over the specificity of the particles .The use of additional control factors in manipulation of nanoparticles can serve as an attractive strategy to manipulate nanoparticles and even biomolecules in a highly specific manner. In this work we employ a new concept based on exploiting the surface charge of nanoparticles for vertical nanomanipulation method. By use of electric fields applied to a hybrid-conductive AFM cantilever (i.e. backside of cantilever is conductive but main body of cantilever and probe tip is non-conductive) we demonstrate how Au nanoparticles can be removed or lifted-off from a non-conducting surface based on their surface charge and mass. We envisage that this novel technique of using controllable electrostatic forces can be scaled up to manipulate large number of nanoparticles in parallel by use of multi-cantilever arrays or for manipulating and sorting biomolecules with specific charges and masses.
James Lee (Advisor)
Gunjan Agarwal (Advisor)
58 p.
Chemical Engineering
AFM; EFM; nanoparticle; nanomanipulation; nanoparticle manipulation;

Recommended Citations

Citations

  • Xu, J. (2009). A Novel Nanoparticle Manipulation Method Using Atomic Force Microscope [Master's thesis, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1243987021

    APA Style (7th edition)

  • Xu, JiaPeng. A Novel Nanoparticle Manipulation Method Using Atomic Force Microscope. 2009. Ohio State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1243987021.

    MLA Style (8th edition)

  • Xu, JiaPeng. "A Novel Nanoparticle Manipulation Method Using Atomic Force Microscope." Master's thesis, Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1243987021

    Chicago Manual of Style (17th edition)

osu1243987021
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© 2009, all rights reserved.
This open access ETD is published by The Ohio State University and OhioLINK.