6 March 2014 Confinement of single macromolecules in free solution using a hydrodynamic trap
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Abstract
We demonstrate the feasibility of trapping and manipulating individual macromolecules such as globular proteins (~ 5 nm in diameter) in free solution using a flow-based, microfluidic confinement method. This new method enables confinement of small nanoscale objects in free solution by utilizing a planar extensional flow created at a microchannel junction. The fluid flow based confinement method described in this work expands the micro/nanomanipulation toolbox by offering a powerful and versatile platform for non-perturbative observation and analysis of single macromolecules in free solution without force fields (electrical, magnetic, optical and acoustic) and surface immobilization.
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Melikhan Tanyeri, Melikhan Tanyeri, } "Confinement of single macromolecules in free solution using a hydrodynamic trap", Proc. SPIE 8976, Microfluidics, BioMEMS, and Medical Microsystems XII, 89760F (6 March 2014); doi: 10.1117/12.2039063; https://doi.org/10.1117/12.2039063
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