Placement of Accelerometers for High Sensing Resolution in Micromanipulation [0.03%]
微操作中放置加速度计以实现高分辨率感知
W T Latt,U-X Tan,C N Riviere et al.
W T Latt et al.
High sensing resolution is required in sensing of surgical instrument motion in micromanipulation tasks. Accelerometers can be employed to sense physiological motion of the instrument during micromanipulation. Various configurations of acce...
Utilizing a high fundamental frequency quartz crystal resonator as a biosensor in a digital microfluidic platform [0.03%]
一种基于高频石英晶体谐振器的数字微流控生物传感器及其应用
Thomas Lederer,Brigitte P Stehrer,Siegfried Bauer et al.
Thomas Lederer et al.
We demonstrate the operation of a digital microfluidic lab-on-a-chip system utilizing Electro Wetting on Dielectrics (EWOD) as the actuation principle and a High Fundamental Frequency (HFF; 50 MHz) quartz crystal microbalance (QCM) resonato...
Wei-Chih Wang,Chi Leung Tsui
Wei-Chih Wang
In this paper, we present the design and fabrication of a 1D beam steering device based on planar electro-optic thermal-plastic prisms and a collimator lens array. With the elimination of moving parts, the proposed device is able to overcom...
A Realtime and Continuous Assessment of Cortisol in ISF Using Electrochemical Impedance Spectroscopy [0.03%]
基于电化学阻抗谱技术实时连续评估皮下组织液中皮质醇动态变化
Manju Venugopal,Sunil K Arya,Ganna Chornokur et al.
Manju Venugopal et al.
This study describes the functioning of a novel sensor to measure cortisol concentration in the interstitial fluid (ISF) of a human subject. ISF is extracted by means of vacuum pressure from micropores created on the stratum corneum layer o...
Electroosmotic pump performance is affected by concentration polarizations of both electrodes and pump [0.03%]
电极和泵的浓差极化均会影响电动泵性能
Matthew E Suss,Ali Mani,Thomas A Zangle et al.
Matthew E Suss et al.
Current methods of optimizing electroosmotic (EO) pump performance include reducing pore diameter and reducing ionic strength of the pumped electrolyte. However, these approaches each increase the fraction of total ionic current carried by ...
John E Ferguson,Chris Boldt,A David Redish
John E Ferguson
A tetrode is a bundle of four microwires that can record from multiple neurons simultaneously in the brain of a freely moving animal. Tetrodes are usually electroplated to reduce impedances from 2-3 MΩ to 200-500 kΩ (measured at 1 kHz), w...
A Wafer-Scale Etching Technique for High Aspect Ratio Implantable MEMS Structures [0.03%]
一种适用于高宽深比可植入MEMS结构的大尺寸晶圆刻蚀技术
R Bhandari,S Negi,L Rieth et al.
R Bhandari et al.
Microsystem technology is well suited to batch fabricate microelectrode arrays, such as the Utah electrode array (UEA), intended for recording and stimulating neural tissue. Fabrication of the UEA is primarily based on the use of dicing and...
Development, Fabrication, and Characterization of Hydrogel Based Piezoresistive Pressure Sensors with Perforated Diaphragms [0.03%]
穿孔膜片的水凝胶压阻式压力传感器的研发、制造和性能表征
M P Orthner,Sebastian Buetefisch,J Magda et al.
M P Orthner et al.
Hydrogels have been demonstrated to swell in response to a number of external stimuli including pH, CO(2), glucose, and ionic strength making them useful for detection of metabolic analytes. To measure hydrogel swelling pressure, we have fa...
Tracking Control of Hysteretic Piezoelectric Actuator using Adaptive Rate-Dependent Controller [0.03%]
基于速率自适应的压电作动器滞回补偿控制方法研究
U-Xuan Tan,Win Tun Latt,Ferdinan Widjaja et al.
U-Xuan Tan et al.
With the increasing popularity of actuators involving smart materials like piezoelectric, control of such materials becomes important. The existence of the inherent hysteretic behavior hinders the tracking accuracy of the actuators. To make...
Laser-Machined Shape Memory Alloy Sensors for Position Feedback in Active Catheters [0.03%]
用于主动导管位置反馈的激光加工形状记忆合金传感器
Alexander T Tung,Byong-Ho Park,David H Liang et al.
Alexander T Tung et al.
Catheter-based interventions are a form of minimally invasive surgery that can decrease hospitalization time and greatly lower patient morbidity compared to traditional methods. However, percutaneous catheter procedures are hindered by a la...