模块化微流控芯片用微滤器

模块化微流控芯片用微滤器

微工程过滤器可用于高精度微粒或细胞分离与传统滤波器不同的是，这些滤波器是由高精度批量生产技术生产的规则和高精度孔阵列构成的。

这些孔的形状、大小和密度都是专门用来分离外周血中循环肿瘤细胞、胎儿细胞或内皮祖细胞的。它们还可用于分离微生物或用于复杂溶液过滤的其他目的。

通常，过滤器的工作区域直径为9mm，包含多达数百万个规则孔过滤器的厚度可以变化到十分之几微米过滤器的机械稳定性由附加的支承环保证，过滤器的总尺寸为直径13mm。

微孔可以有不同的形状：

漏斗形状

圆柱

圆锥形的

孔的小直径可以是：

6微米

5微米

1μm（仅适用于漏斗形状）

音高可以是：

10微米

30微米

模块化微流控芯片用微滤器

Micro-engineered filters are available for high precision microparticle or cell isolation. Unlike conventional filters, these filters are made of regular and high precision hole arrays produced by high precision techniques of mass production.

The shape, size and density of the holes are designed to specifically allow the isolation of circulating tumor cells, fetal cells or endothelial progenitors in peripheral bloods. They can also be used for the isolation of microorganisms or other purposes of complex solution filtration.

Typically, the working area of the filter is 9 mm in diameter, containing up to several millions of regular holes. The thickness of the filter can vary up to a few tenths of micrometers. The mechanic stability of the filter is ensured by an additional supporting ring and the total filter size is of 13 mm in diameter.

The microholes can have different shape:

• Funnel shape
• Cylinder
• Conical

The smallest diameter of the hole can be:

• 6 μm
• 5 μm
• 1 μm (only for funnel shape)

Pitch can be:

• 10 μm 
• 30 μm