| 智能释药胶囊内酸碱度测量模块的设计 |
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| 引用本文： | 李晓华,刘洪英,皮喜田,郑小林,彭承琳,温志渝,贾子如.智能释药胶囊内酸碱度测量模块的设计[J].传感技术学报,2011,24(4):492-497. |
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| 作者姓名： | 李晓华 刘洪英 皮喜田 郑小林 彭承琳 温志渝 贾子如 |
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| 作者单位： | 重庆大学生物工程学院生物流变科学与技术教育部重点实验室;重庆大学新型微纳器件与系统技术国防重点学科实验室; |
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| 基金项目： | 国家自然科学基金项目(30700160,30970883); 中国博士后科学基金项目(20070420718,200801225); 教育部高等学校博士学科点科研基金项目(20070611045); 重庆大学研究生创新基金项目(200801A1B0250248) |
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| 摘 要： | 提出了一种能够根据消化道中pH值的变化而自动释药的智能释药电子胶囊,设计了基于pH传感器的酸碱度测量模块.酸碱度测量模块包括pH传感器模块、测量电路模块、微处理器芯片模块和电源管理模块.在离体状态下对pH传感器进行了原理性实验,并对酸碱度模块的性能进行了测试.实验结果表明pH传感器的灵敏度为43.5 mV/pH,满足消...
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| 关 键 词： | MEMS技术 智能释药胶囊 pH传感器 微处理器芯片 |
The design of pH measuring module in the smart capsule for drug delivery system |
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| LI Xiaohua,LIU Hongying,JIA Ziru,PI Xitian,ZHENG Xiaolin,PENG Chenlin,WEN Zhiyu.The design of pH measuring module in the smart capsule for drug delivery system[J].Journal of Transduction Technology,2011,24(4):492-497. |
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| Authors: | LI Xiaohua LIU Hongying JIA Ziru PI Xitian ZHENG Xiaolin PENG Chenlin WEN Zhiyu |
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| Affiliation: | LI Xiaohua1,LIU Hongying1,JIA Ziru1,PI Xitian1,2*,ZHENG Xiaolin1,2,PENG Chenlin1,WEN Zhiyu1,21.Key Laboratory of Biorheological Science and Technology of Ministry of Education,Bioengineering College,Chongqing University,Chongqing 400030,China2.Key Laboratories for National Defense Science and Technology of Innovative Micro-Nano Devices and System Technology,China |
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| Abstract: | A smart capsule for drug delivery based on a pH sensor was proposed here.The system can automatically identify the pH changes of the gastrointestinal(GI)tract,and then it can automatically release the drug if the pH changes satisfy the established procedure.A pH measuring module in this system was designed here.The pH measuring module consists of pH sensor module,measuring circuit module,microprocessor chip module,and power management module.The performances of pH measuring module and pH sensors were tested... |
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| Keywords: | MEMS smart delivery capsule pH sensors microprocessor chips |
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