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14 November 2014 The electrostatic fluidic trap: a new approach to the spatial control and manipulation of matter at the nanometer scale (presentation video)
Madhavi Krishnan
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Proceedings Volume 9164, Optical Trapping and Optical Micromanipulation XI; 916419 (2014) https://doi.org/10.1117/12.2060564
Event: SPIE NanoScience + Engineering, 2014, San Diego, California, United States
Abstract
I will describe a new technique to trap matter at the nanometer scale in fluids. Rather than apply external fields to the object of interest, our approach relies on spatial tailoring of the interaction between an object and its neighbouring surfaces in order to create spatial potential minima in three dimensions. We demonstrate how the strong and long-ranged electrostatic interaction can be modulated by tailoring substrate geometry to achieve stable spatial trapping of charged objects, as small as single proteins in solution.
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Madhavi Krishnan "The electrostatic fluidic trap: a new approach to the spatial control and manipulation of matter at the nanometer scale (presentation video)", Proc. SPIE 9164, Optical Trapping and Optical Micromanipulation XI, 916419 (14 November 2014); https://doi.org/10.1117/12.2060564
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KEYWORDS
Video
Modulation
Proteins
Current controlled current source
Microfluidics
Optical micromanipulation
Optical tweezers
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