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Thermal control microsystem for protein characterization and sensing

机译:用于蛋白质表征和传感的热控制微系统

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Temperature plays an important role in protein characterization and sensing due to its strong effect on reaction rate. A thermal control microsystem for protein array sensing was developed and tested in a liquid environment. The on-chip microhotplates were implemented in standard CMOS without post-CMOS fabrication for thermal isolation. With only a 5V supply, up to 45°C can be achieved in liquid, which is well suited for protein-based interfaces. Results show that heating is contained sufficiently within each site to permit setting each array sites to a different temperature. Using feedback control, temperature can be held to within 0.7˚C of the set point, enabling precise control of on-chip protein interfaces during characterization or sensing.
机译:由于温度对反应速率的强烈影响,温度在蛋白质表征和传感中起着重要作用。开发了用于蛋白质阵列传感的热控制微系统,并在液体环境中进行了测试。片上微孔板采用标准CMOS实施,无需进行CMOS后制造即可实现热隔离。仅需5V电源,就可以在液体中实现高达45°C的温度,非常适合基于蛋白质的界面。结果表明,每个位置都充分包含了热量,可以将每个阵列位置设置为不同的温度。使用反馈控制,温度可以保持在设定值的0.7˚C以内,从而可以在表征或检测过程中精确控制片上蛋白质界面。

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