Micro positive pressure generator based on AIBN for driving micro fluid

LI Da-chao; JI Yong-jie; YU Hai-xia; LIANG Wen-shuai; Xu Ke-xin

doi:10.3788/OPE.20122010.2245

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Micro positive pressure generator based on AIBN for driving micro fluid

Article | 更新时间：2020-08-12

- Micro positive pressure generator based on AIBN for driving micro fluid
- Optics and Precision Engineering Vol. 20, Issue 10, Pages: 2245-2250(2012)
- 作者机构：
  
  天津大学精密测试技术及仪器国家重点实验室天津,300072
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20122010.2245
  CLC： O35;TP273
- Received：14 June 2012，
  
  Revised：17 July 2012，
  
  Published：10 October 2012
- 稿件说明：
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栗大超, 姬永婕, 于海霞, 梁文帅, 徐可欣. 基于AIBN材料的微流体驱动用微型正压源[J]. 光学精密工程, 2012,20(10): 2245-2250

LI Da-chao, JI Yong-jie, YU Hai-xia, LIANG Wen-shuai, Xu Ke-xin. Micro positive pressure generator based on AIBN for driving micro fluid[J]. Editorial Office of Optics and Precision Engineering, 2012,20(10): 2245-2250
栗大超, 姬永婕, 于海霞, 梁文帅, 徐可欣. 基于AIBN材料的微流体驱动用微型正压源[J]. 光学精密工程, 2012,20(10): 2245-2250 DOI： 10.3788/OPE.20122010.2245.

LI Da-chao, JI Yong-jie, YU Hai-xia, LIANG Wen-shuai, Xu Ke-xin. Micro positive pressure generator based on AIBN for driving micro fluid[J]. Editorial Office of Optics and Precision Engineering, 2012,20(10): 2245-2250 DOI： 10.3788/OPE.20122010.2245.

摘要

针对本课题组早些时候研制的用于微量组织液透皮抽取的微流控芯片

研究了一种基于偶氮双异丁腈(azobisisobutyronitrile

AIBN)热分解产生气体的微型正压源

用于为微流控芯片中微量组织液的收集和输运提供驱动力。将AIBN固定到微型加热器上

微型加热器加热AIBN至70℃即可产生一定的正压力。实验结果表明

设计的微型正压源压力可控、易于制造、体积小

8.7 mg的AIBN在900 mA加热电流下可产生182 kPa的压力

满足对微流控芯片中组织液透皮抽取所需的驱动力。

Abstract

In order to provide the driving force for the collection and transport of the micro liquid in a microfluidic chip developed by our research group in earlier research

this paper presents a micro positive pressure generator based on the released gas by thermal decomposition of azobisisobutyronitrile (AIBN). The AIBN is fixed to a micro-heater and heated to 70℃ to produce a certain amount of positive pressure. Experimental measurements show that this micro positive pressure generator can obtain 182 kPa pressure with heating 8.7 mg of AIBN by a heating current of 900 mA. The designed micro positive pressure generator is a smaller size

pressure controllable and easy to produce

and obtained pressure can satisfy the requirements of transdermal interstitial fluid (ISF) extraction.

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Keywords

references

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Related Institution

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School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510640, China; Guangzhou Di'ao Biological Technology Co., Ltd.

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