| 高检测灵敏度的DNA生物传感器 |
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| 引用本文： | 房少华,程秀兰.高检测灵敏度的DNA生物传感器[J].微纳电子技术,2007,44(1):34-38,42. |
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| 作者姓名： | 房少华 程秀兰 |
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| 作者单位： | 上海交通大学,微电子学院,上海,200030 |
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| 基金项目： | 上海交通大学校科研和教改项目;上海市科委资助项目 |
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| 摘 要： | 基于磁珠带标记DNA电化学传感器、磁珠标记的GMR(TMR)DNA生物传感器和纳米线场效应DNA生物传感器都具有高检测灵敏度的特点,是极具发展前途的研究方向。主要介绍了以上三种高检测灵敏度DNA生物传感器的基本检测原理,并对比分析了这三种传感器的优缺点。
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| 关 键 词： | DNA生物传感器 磁珠 巨磁效应 隧道磁电阻效应 纳米线 |
| 文章编号： | 1671-4776（2007）01-0034-05 |
| 修稿时间： | 2006-07-31 |
High Sensitive DNA Biosensors |
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| FANG Shao-hua,CHENG Xiu-lan.High Sensitive DNA Biosensors[J].Micronanoelectronic Technology,2007,44(1):34-38,42. |
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| Authors: | FANG Shao-hua CHENG Xiu-lan |
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| Affiliation: | School of Microelectronics , Shanghai Jiao Tong University, Shangnai 200030, China |
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| Abstract: | Recently years some new schemes about DNA biosensor were presented.Among them,bead-based and labeled electrochemical DNA biosensor,bead-labeled GMR(TMR)DNA biosensor and nanowire field-effect DNA biosensor were of higher sensitivity.The principles of the three kinds of novel DNA biosensors were introduced,and their features and challenges were reviewed. |
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| Keywords: | DNA biosensor magnetic beads giant magneto-resistance effect tunnel magneto-resistance effect nanowires |
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