输运诱导电荷电渗
Transport-Induced-Charge Electroosmosis
摘要：
我们报告的理论分析的运输诱导电荷电渗（TICEO）在纳米孔由于存在一个局部电场和电导率梯度。TICEO与经典的感应电荷电渗（ICEO）具有类似的特性，即平均速度$\overline{v_\text{TIC}}$与所施加的电势差$Δψ$、$i.e.$、$\overline{v_\text{TIC}} \propto (Δψ)^2$的平方成比例，适用于交流（AC）泵送应用。与主要用于微流体的ICEO相比，TICEO不需要金属或电介质贴片，因此适合于纳米孔泵送，为AC纳米孔应用提供了新的机会。
英文摘要：
We report theoretical analysis of transport-induced-charge electroosmosis (TICEO) in a nanopore due to the presence of a local electric field and a conductivity gradient. TICEO shares a similar characteristic with classical induced-charge electroosmosis (ICEO) that the mean velocity $\overline{v_\text{TIC}}$ is proportional to the square of the applied electric potential difference $Δψ$, $i.e.$, $\overline{v_\text{TIC}} \propto (Δψ)^2$, appropriate for alternating current (AC) pumping applications. In contrast to ICEO which is primarily used in microfluidics, TICEO does not require metallic or dielectric patches and is thus suitable for nanopore pumping, providing new opportunities for AC nanopore applications.
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