薄膜工艺制备乳酸传感器  

Lactate Sensor Based on Thin-film Technology

作　　者：饶能高[1] 奚日辉[2] 李华清[1] 王利[1] 蔡新霞[1] 

机构地区：[1]中科院电子学研究所传感技术国家重点实验室,北京100080 [2]上海大学通信与信息工程学院,上海200072

出　　处：《仪表技术与传感器》2004年第12期6-7,46,共3页Instrument Technique and Sensor

基　　金：国家"八六三"计划 (2 0 0 2AA40 4 51 0 ;2 0 0 2AA30 2 1 0 6) ;国家自然科学基金 (60 2 760 39) ;教育部留学回国人员科研启动基金 ;人事部留学人员科技活动择优经费资助

摘　　要：薄膜工艺制备的传感器具有体积小、性能可靠、成本低等优点 ,在电化学传感器的微型化、集成化方面应用广泛。在薄膜工艺制备的微电极上固定乳酸氧化酶 ,制备出高性能的乳酸传感器 ,该传感器用于血清中乳酸的测定 ,其灵敏度和线性范围分别为 4 5 0nA/mM ,0 5～ 10mM线性相关系数为0 988;响应时间≤ 30s.Thin-film technology has been widely utilized to develop miniaturized and integrated electrochemical sensors.Devices based on thin-film technology provide plenty of advantages of small,reliable and inexpensive.Immobilized Lactate Oxidase(LOD)on the surface of micro platinum-black gold electrodes,a high-performance lactate sensor has been presented.The developed sensor has been applied to measure lactate in serums.It exhibits excellent sensitivity of 450 nA/mM and a linear range of 0.5～10 mM.The linear correlation coefficient is 0.988,response time less than 30 s.

关 键 词：薄膜工艺 铂黑颗粒 电化学修饰 乳酸传感器 

分 类 号：TN304.54[电子电信—物理电子学]