执行器

Abstract(#br)Metal ion implantation is shown here as an effective technique to fabricate highly compliant electrodes at room temperature on polymer substrates. By implanting 5 keV gold ions in polydimethylsiloxane we have fabricated micron-scale electrodes that conduct at 175% strain, have low surface resistance (\u003c 1 kΩ/square) and negligible thickness (50 nm). These electrodes have been cycled over 10 5 times to 30% strain with minimal change in electrical characteristics, and find applications in flexible electronics, polymer sensors and actuators.

Abstract(#br)Since the local, on demand, cancer therapy is a challenging clinical issue today, this paper presents the design, fabrication and characterization of a remotely controlled single reservoir drug delivery chip using Ionic Polymer Metal Composite (IPMC) actuator. Here, Drug release was externally programmed and controlled wirelessly on demand by a communication circuit. The transmitter and receiver circuits were designed to control the release/sealed status remotely even from 7 cm distance while the transmitter and receiver were coupled magnetically.

最近的研究表明，一系列碳纳米材料可以作为射频( RF )场的感受器，允许快速而有针对性地加热。但是，像聚( 3，4 -乙撑二氧噻吩)：聚( 4 -苯乙烯磺酸盐) ( PEDOT：PSS )这样的导电聚合物的响应性还没有得到探索。PEDOT：PSS由于其固有的导电性和易于加工，是一种很有前途的材料。我们首次演示了PEDOT：PSS在外加射频场下的快速加热响应，并演示了PEDOT：PSS的射频驱动作用，与较薄的样品相比，样品较厚，PEDOT：PSS中加入的绝缘聚合物负载量较低，与多孔结构相比，薄膜结构致密，加热温度最高。采用PEDOT：PSS、PEDOT：PSS / ( 3 -缩水甘油醚氧丙基)三甲氧基硅烷( GOPS )和PEDOT：PSS / GOPS /纤维素与聚二甲基硅氧烷( PDMS )共混制备驱动器，其中GOPS用于增加驱动器层的附着力。当射频场作用于执行器时，PEDOT：PSS层迅速发热，进而引起水的解吸和驱动。为了证实执行器因水的解吸而发生弯曲，还测试了湿度响应，所有样品成分都表现出对湿度阶跃变化的响应。