结论应用无PV P聚碳酸脂膜的微孔滤器可以建立体外rpe细胞有极性单层生长的模型，并用于屏障功能的研究。

Conclusions the filter with PVP-free polycarbonate membrane may be used to set up the model of RPE cells with polarized growth of monolayer and investigate the barrier function of RPE cells.

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精密过滤器也称保安过滤器，能进一步去除水中悬浮颗粒及其它杂质，它采用微孔陶瓷、微孔无毒塑料、蜂房式管状滤芯。

Precision filter, namely core filter, can further remove the suspended solids and other impurity in the water, it is made of micro hole chinaware, micro hole non-toxin plastic and cell pipe core.

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微孔过滤器材质为优质进口不锈钢（304、316L）。

The material of the micro hole filter is imported stainless steel in good quality (304,316L).

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