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Microfluidic switch based on combined effect of hydrodynamics and electroosmosis

หน่วยงาน Nanyang Technological University, Singapore

รายละเอียด

ชื่อเรื่อง : Microfluidic switch based on combined effect of hydrodynamics and electroosmosis
นักวิจัย : Li, Haiwang , Wong, Teck Neng , Nguyen, Nam-Trung
คำค้น : DRNTU::Engineering::Mechanical engineering.
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2554
อ้างอิง : Li, H., Wong, T. N., & Nguyen, N. T. (2011). Microfluidic switch based on combined effect of hydrodynamics and electroosmosis. Microfluidics and Nanofluidics, 10(5), 965-976. , http://hdl.handle.net/10220/7736 , http://dx.doi.org/10.1007/s10404-010-0725-x , 159430
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : Microfluidics and nanofluidics
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

This paper presents theoretical and experimental investigations on valveless microfluidic switch using the coupled effect of hydrodynamics and electroosmosis. Switching of a non-conducting fluid stream is demonstrated. The first part of the investigation focused on flow switching of a non-conducting fluid, while the second part focused on switching of aqueous liquid droplets in a continuous oil stream. Two sheath streams (aqueous NaCl and glycerol) and a sample stream (silicon oil) are introduced by syringe pumps to flow side by side in a straight rectangular microchannel. External electric fields are applied on the two sheath streams. The switching process using electroosmotic effect for different flow rate and viscosity of sample stream is investigated. The results indicate that the switching response time is affected by the electric fields, flow rate, and viscosity of the sample. At constant inlet volumetric flow rates, the sample streams or droplets can be delivered to the desired outlet ports using applied voltages.

บรรณานุกรม :
Li, Haiwang , Wong, Teck Neng , Nguyen, Nam-Trung . (2554). Microfluidic switch based on combined effect of hydrodynamics and electroosmosis.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Li, Haiwang , Wong, Teck Neng , Nguyen, Nam-Trung . 2554. "Microfluidic switch based on combined effect of hydrodynamics and electroosmosis".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Li, Haiwang , Wong, Teck Neng , Nguyen, Nam-Trung . "Microfluidic switch based on combined effect of hydrodynamics and electroosmosis."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2554. Print.
Li, Haiwang , Wong, Teck Neng , Nguyen, Nam-Trung . Microfluidic switch based on combined effect of hydrodynamics and electroosmosis. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2554.