Microfluidic Valves Made From Polymerized Polyethylene Glycol Diacrylate [0.03%]
由聚合聚乙二醇双丙烯酸酯制成的微流体阀
Chad I Rogers,Joseph B Oxborrow,Ryan R Anderson et al.
Chad I Rogers et al.
Pneumatically actuated, non-elastomeric membrane valves fabricated from polymerized polyethylene glycol diacrylate (poly-PEGDA) have been characterized for temporal response, valve closure, and long-term durability. A ~100 ms valve opening ...
Resonant waveguide grating biosensor-enabled label-free and fluorescence detection of cell adhesion [0.03%]
具有共振波导光栅生物传感器的无标记和荧光检测细胞粘附性技术
Natalya Zaytseva,Jeffery G Lynn,Qi Wu et al.
Natalya Zaytseva et al.
Cell adhesion to extracellular matrix (ECM) is fundamental to many distinct aspects of cell biology, and has been an active topic for label-free biosensors. However, little attention has been paid to study the impact of receptor signaling o...
Multiplexed and Switchable Release of Distinct Fluids from Microneedle Platforms via Conducting Polymer Nanoactuators for Potential Drug Delivery [0.03%]
基于导电聚合物纳米致动器的微针平台多重门控和可切换药物输送研究
Gabriela Valdés-Ramírez,Joshua R Windmiller,Jonathan C Claussen et al.
Gabriela Valdés-Ramírez et al.
We report on the development of a microneedle-based multiplexed drug delivery actuator that enables the controlled delivery of multiple therapeutic agents. Two individually-addressable channels on a single microneedle array, each paired wit...
A fluorescent colorimetric pH sensor and the influences of matrices on sensing performances [0.03%]
一种荧光比色pH传感器及基质对传感性能的影响研究
Yanqing Tian,Emily Fuller,Summer Klug et al.
Yanqing Tian et al.
A fluorescent colorimetric pH sensor was developed by a polymerization of a monomeric fluorescein based green emitter (SM1) with a monomeric 2-dicyanomethylene-3-cyano-4,5,5-trimethyl-2,5-dihydrofuran derived red emitter (SM2) in poly(2-hyd...
Capillary Array Waveguide Amplified Fluorescence Detector for mHealth [0.03%]
毛细血管阵列波导放大荧光检测器用于移动健康监测
Joshua Balsam,Hugh Alan Bruck,Avraham Rasooly
Joshua Balsam
Mobile Health (mHealth) analytical technologies are potentially useful for carrying out modern medical diagnostics in resource-poor settings. Effective mHealth devices for underserved populations need to be simple, low cost, and portable. A...
Tsung-Feng Wu,Zhe Mei,Yu-Hwa Lo
Tsung-Feng Wu
A unique optofluidic lab-on-a-chip device that can measure optically encoded forward scattering signals has been demonstrated. From the design of the spatial pattern, the position and velocity of each cell in the flow can be detected and th...
Image stacking approach to increase sensitivity of fluorescence detection using a low cost complementary metal-oxide-semiconductor (CMOS) webcam [0.03%]
基于低成本互补金属氧化物半导体(CMOS)网络摄像头提高荧光检测灵敏度的图像叠加方法
Joshua Balsam,Hugh Alan Bruck,Yordan Kostov et al.
Joshua Balsam et al.
Optical technologies are important for biological analysis. Current biomedical optical analyses rely on high-cost, high-sensitivity optical detectors such as photomultipliers, avalanched photodiodes or cooled CCD cameras. In contrast, Webca...
A Passive Radio-Frequency Identification (RFID) Gas Sensor With Self-Correction Against Fluctuations of Ambient Temperature [0.03%]
一种被动式无线电频率识别气体传感器的自主温度补偿电路及方法
Radislav A Potyrailo,Cheryl Surman
Radislav A Potyrailo
Uncontrolled fluctuations of ambient temperature in the field typically greatly reduce accuracy of gas sensors. In this study, we developed an approach for the self-correction against fluctuations of ambient temperature of individual gas an...
A Biochip with a 3D microfluidic architecture for trapping white blood cells [0.03%]
一种用于捕获白细胞的三维微流控芯片架构生物芯片
Anurag Tripathi,James Riddell th,Nikos Chronis
Anurag Tripathi
We present a microfluidic biochip for trapping single white blood cells (WBCs). The novel biochip, microfabricated using standard surface micromachining processes, consists of an array of precisely engineered microholes that confine single ...
Hydrogel based sensor arrays (2 × 2) with perforated piezoresistive diaphragms for metabolic monitoring (in vitro) [0.03%]
基于穿孔压阻膜的用于代谢监测的水凝胶传感器阵列（体外）(2×2)
M P Orthner,G Lin,M Avula et al.
M P Orthner et al.
This report details the first experimental results from novel hydrogel sensor array (2 × 2) which incorporates analyte diffusion pores into a piezoresistive diaphragm for the detection of hydrogel swelling pressures and hence chemical conc...