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.
它的作用就像一个防御空气变应原的天然屏障，在鼻道里形成一层无色的、粘液样的、凝胶层，其作用就像一个灰尘和细菌的过滤器。
It ACTS as a natural barrier to airborne allergens, forming a colourless, mucus-like gel lining in the nasal tract that ACTS as a filter for dust and germs.
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