Tuning the dynamic range and sensitivity of optical oxygen-sensors by employing differently substituted polystyrene-derivatives [0.03%]
采用不同取代的聚苯乙烯衍生物调节光学氧传感器的动态范围和灵敏度
Klaus Koren,Lukas Hutter,Barbara Enko et al.
Klaus Koren et al.
Ten different polystyrene-derivatives were tested with respect to their potential use as matrix materials for optical oxygen sensors in combination with the platinum(II) meso-tetra(4-fluorophenyl)tetrabenzoporphyrin as indicator dye. Either...
Stable optical oxygen sensing materials based on click-coupling of fluorinated platinum(II) and palladium(II) porphyrins-A convenient way to eliminate dye migration and leaching [0.03%]
基于点击连接的氟化铂(ii)和钯(ii)卟啉光学氧传感器的稳定光学氧传感材料-消除染料迁移和浸出的一种简便方法
Klaus Koren,Sergey M Borisov,Ingo Klimant
Klaus Koren
Nucleophilic substitution of the labile para-fluorine atoms of 2,3,4,5,6-pentafluorophenyl groups enables a click-based covalent linkage of an oxygen indicator (platinum(II) or palladium(II) 5,10,15,20-meso-tetrakis-(2,3,4,5,6-pentafluoroph...
Myoglobin within graphene oxide sheets and Nafion composite films as highly sensitive biosensor [0.03%]
掺入石墨烯氧化物和Nafion基复合膜中Mb的高灵敏度生物传感器研究
Changchun Guo,Hong Sun,X S Zhao
Changchun Guo
A highly sensitive biosensor was fabricated by incorporating myoglobin (Mb) within graphene oxide (GO) sheets and Nafion composite films. The stable composite Mb-GO-Nafion films were characterized by electrochemistry, scanning electron micr...
Low voltage picoliter droplet manipulation utilizing electrowetting-on-dielectric platforms [0.03%]
利用介电润湿平台在低电压下操控皮升级液滴
Yan-You Lin,Erin R F Welch,Richard B Fair
Yan-You Lin
Picoliter droplets actuated on an electrowetting-on-dielectric (EWD) actuator are demonstrated. In this study, the physical scaling of electrodes for 33 μm and 21 μm EWD devices resulted in droplets of 12 pl and 5 pl being dispensed respe...
M Javanmard,R W Davis
M Javanmard
Current methods used for detection of DNA hybridization involve the use of DNA microarrays which require overnight incubation times along with bulky and expensive fluorescent scanners. Here, we demonstrate electrical detection of DNA hybrid...
Liquid crystal-based sensors for selective and quantitative detection of nitrogen dioxide [0.03%]
一种选择性和定量检测二氧化氮的液晶传感器
Avijit Sen,Kurt A Kupcho,Bart A Grinwald et al.
Avijit Sen et al.
A highly sensitive nitrogen dioxide (NO2) sensor based on orientational transition of a thin film of liquid crystal (LC) supported on a gold surface is reported. Transport of NO2 molecules through the LC film to the LC-gold interface induce...
Transitioning Streaming to Trapping in DC Insulator-based Dielectrophoresis for Biomolecules [0.03%]
基于直流绝缘体的介电泳技术在生物分子操控中的转变机制研究
Fernanda Camacho-Alanis,Lin Gan,Alexandra Ros
Fernanda Camacho-Alanis
Exploiting dielectrophoresis (DEP) to concentrate and separate biomolecules has recently shown large potential as a microscale bioanalytical tool. Such efforts however require tailored devices and knowledge of all interplaying transport mec...
Microneedle Biosensor: A Method for Direct Label-free Real Time Protein Detection [0.03%]
微针生物传感器：直接实时无标记蛋白质检测方法
Rahim Esfandyarpour,Hesaam Esfandyarpour,Mehdi Javanmard et al.
Rahim Esfandyarpour et al.
Here we present the development of an array of electrical micro-biosensors in a microfluidic channel, called microneedle biosensors. A microneedle biosensor is a real-time, label-free, direct electrical detection platform, which is capable ...
Real-time Recognition of Mycobacterium tuberculosis and Lipoarabinomannan using the Quartz Crystal Microbalance [0.03%]
基于石英晶体微天平的结核杆菌及脂阿拉伯甘聚糖实时检测研究
Leslie A Hiatt,David E Cliffel
Leslie A Hiatt
A quartz crystal microbalance (QCM) immunosensor has been successfully employed to screen for both whole Mycobacteria tuberculosis (Mtb) bacilli and a Mtb surface antigen, lipoarabinomannan (LAM). One of the most abundant components of the ...
Micro-patterning and characterization of PHEMA-co-PAM-based optical chemical sensors for lab-on-a-chip applications [0.03%]
基于PHEMA-co-PAM的微图案光学化学传感器的制备及其在芯片实验室中的应用研究
Haixin Zhu,Xianfeng Zhou,Fengyu Su et al.
Haixin Zhu et al.
We report a novel method for wafer level, high throughput optical chemical sensor patterning, with precise control of the sensor volume and capability of producing arbitrary microscale patterns. Monomeric oxygen (O(2)) and pH optical probes...