Nalin Katta,Douglas C Meier,Kurt D Benkstein et al.
Nalin Katta et al.
A number of sensing technologies, using a variety of transduction principles, have been proposed for non-invasive chemical sensing. A fundamental problem common to all these sensing technologies is determining what features of the transduce...
Investigation of the H2S poisoning process for sensing composite material based on carbon nanotubes and metal oxides [0.03%]
基于碳纳米管和金属氧化物的传感复合材料的H2S中毒机理研究
Yichen Duan,Laurent Pirolli,Andrew V Teplyakov
Yichen Duan
The poisoning of H2S sensing material based on the mixture of acid-treated carbon nanotubes, CuO and SnO2 was investigated by exposing the material to high doses of H2S (1% in volume) and following the changes spectroscopically. The presenc...
Ultrasonic Transducer-Guided Electrochemical Impedance Spectroscopy to Assess Lipid-Laden Plaques [0.03%]
超声换能器引导的电化学阻抗谱评估脂质负载斑块
Jianguo Ma,Yuan Luo,René R Sevag Packard et al.
Jianguo Ma et al.
Plaque rupture causes acute coronary syndromes and stroke. Intraplaque oxidized low density lipoprotein (oxLDL) is metabolically unstable and prone to induce rupture. We designed an intravascular ultrasound (IVUS)-guided electrochemical imp...
An Efficient Power Harvesting Mobile Phone-Based Electrochemical Biosensor for Point-of-Care Health Monitoring [0.03%]
一种高效的能量采集移动电话电化学生物传感器用于医疗点护理健康监测
Alexander C Sun,Chengyang Yao,A G Venkatesh et al.
Alexander C Sun et al.
Cellular phone penetration has grown continually over the past two decades with the number of connected devices rapidly approaching the total world population. Leveraging the worldwide ubiquity and connectivity of these devices, we develope...
Junyi Shang,Jing Yan,Zhixing Zhang et al.
Junyi Shang et al.
We present a hydrogel-based affinity microsensor for continuous glucose measurements. The microsensor is based on microelectromechanical systems (MEMS) technology, and incorporates a synthetic hydrogel that is attached to the device surface...
Michael S Wiederoder,Isaac Misri,Don L DeVoe
Michael S Wiederoder
A sensitive and rapid impedemetric immunosensor is demonstrated utilizing porous volumetric microfluidic detection elements and silver enhanced gold nanoparticle probes. The porous detection elements significantly increase capture probe den...
Sam Emaminejad,Kee-Hyun Paik,Vincent Tabard-Cossa et al.
Sam Emaminejad et al.
In this manuscript, we present three different micro-impedance sensing architectures for electronic counting of cells and beads. The first method of sensing is based on using an open circuit sensing electrode integrated in a micro-pore, whi...
Rahber Thariani,Paul Yager
Rahber Thariani
A surface plasmon resonance microscope capable of high-quality speckle-free imaging has been designed that uses a laser as a source. An inexpensive acoustic transducer is used to reduce speckle and other image artifacts arising from the use...
A microfluidic platform for trapping, releasing and super-resolution imaging of single cells [0.03%]
一种用于捕获、释放和对单细胞进行超分辨率成像的微流控平台
Ying Zhou,Srinjan Basu,Kai J Wohlfahrt et al.
Ying Zhou et al.
A multi-layer device, combining hydrodynamic trapping with microfluidic valving techniques, has been developed for on-chip manipulation and imaging of single cells and particles. Such a device contains a flow layer with trapping channels to...
Polydiacetylene-coated polyvinylidene fluoride strip aptasensor for colorimetric detection of zinc(II) [0.03%]
聚偏二氟乙烯条形适配子传感器的聚二丙炔涂层用于锌离子的比色检测
Jessica T Wen,Karen Bohorquez,Hideaki Tsutsui
Jessica T Wen
We report a new polydiacetylene (PDA) sensor strip for simple visual detection of zinc ions in aqueous solution. The specificity of this sensor comes from Zn2+ DNA aptamer probes conjugated onto PDA. Effects of aptamer length and structure ...