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میکروسیالات و نانوسیالات 2013
جزئیات رویداد
همایش ، رویداد ، ژورنال
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  • a novel filtration method integrated on centrifugal microfluidic devices

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    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 1087
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     a method has been developed that integrates filters directly into centrifugal microfluidic devices. this technique is suitable for both rapid prototyping and commercial applications. commercially available filter paper was sealed into the centrifugal microfluidic device with a simple manual fabrication procedure. the method was validated using soil slurry in water and a variety of filter papers with pore sizes ranging from 0.7 to 11 μm. filtration times of 4 s to several minutes were obtained for 100 μl samples depending on the type of filter paper and rotation rate utilized. the validity of the method was demonstrated by assessing the amount of light lost due to the scatter or absorption caused by particles in the filtered sample while the device was in motion. filtration and sedimentation were compared and after 30 min of centrifugation, sedimentation had not removed particles as well as filtration. this technique opens up centrifugal microfluidic devices to a wide range of samples.

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