Stability of an aqueous quadrupole micro-trap.

Stability of an aqueous quadrupole micro-trap.
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DOI:
10.1088/0953-8984/24/16/164208
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发表时间:
2012-04-25
期刊:
Journal of physics. Condensed matter : an Institute of Physics journal
影响因子:
--
通讯作者:
Krstić PS
Krstić PS
中科院分区:
其他
文献类型:
--
作者:
Park JH;Krstić PS

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Recently demonstrated functionality of an aqueous quadrupole micro- or nano-trap opens a new avenue for applications of the Paul traps, like is confinement of a charged biomolecule which requires water environment for its chemical stability. Besides strong viscosity forces, motion of a charged particle in the aqueous trap is subject to dielectrophoretic and electrophoretic forces. In this study, we describe the general conditions for stability of a charged particle in an aqueous quadrupole trap. We find that for the typical micro-trap parameters, effects of both dielectrophoresis and electrophoresis significantly influence the trap stability. In particular, the aqueous quadrupole trap could play of a role of a synthetic virtual nanopore for the 3rd generation of DNA sequencing technology.
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