A smartphone based device for the detection of sulfane sulfurs in biological systems [0.03%]
一种基于智能手机的设备 用于生物系统中硫化硫的检测
Deshka L Neill,Yu-Chung Chang,Wei Chen et al.
Deshka L Neill et al.
Sulfane sulfur species are newly recognized signaling molecules that play physiological roles in many biological events. The development of new technologies for the detection of sulfane sulfurs is important. Point-of-care (POC) devices are ...
Humidity Responsive Photonic Sensor based on a Carboxymethyl Cellulose Mechanical Actuator [0.03%]
基于羧甲基纤维素力学驱动器的湿度响应光子传感器
Matthew Hartings,Kevin O Douglass,Claire Neice et al.
Matthew Hartings et al.
We describe an intuitive and simple method for exploiting humidity-driven volume changes in carboxymethyl cellulose (CMC) to fabricate a humidity responsive actuator on a glass fiber substrate. We optimize this platform to generate a photon...
Benjamin Coleman,Chad Coarsey,Md Alamgir Kabir et al.
Benjamin Coleman et al.
Point-of-care (POC) tests often rely on smartphone image methods for colorimetric analysis, but the results of such methods are frequently difficult to reproduce or standardize. The problem is aggravated by unpredictable image capture condi...
Screen-printed electrode produced by printed-circuit board technology. Application to Cancer Biomarker Detection by means of plastic antibody as sensing material [0.03%]
印制电路板技术制备的丝网印刷电极。采用塑料抗体作为传感材料的意义在于癌症生物标志物检测
Felismina T C Moreira,M Judite M S Ferreira,José R T Puga et al.
Felismina T C Moreira et al.
This research work presents, for the first time, a screen-printed electrode (SPE) made on a PCB board with silver tracks (Ag) and a three electrode configuration (AgxO-working, AgxO-counter and Ag/AgxO-reference electrodes), following the s...
High-speed optical humidity sensors based on chiral sculptured thin films [0.03%]
基于手性花彩薄膜的高速光学湿度传感器
Yan Jun Liu,Jinjie Shi,Fan Zhang et al.
Yan Jun Liu et al.
A high-speed humidity sensor based on a nanostructured chiral sculptured thin film (CSTF) was fabricated and tested. The sensing principle is based on the shift of the central wavelength of the circular Bragg regime of the CSTF caused by ad...
Microfluidic Exponential Rolling Circle Amplification for Sensitive microRNA Detection Directly from Biological Samples [0.03%]
基于微流控指数滚环扩增的灵敏microRNA直接检测技术
Hongmei Cao,Xin Zhou,Yong Zeng
Hongmei Cao
There is an urgent need of sensitive bioanalytical platforms for sensitive and precise quantification of low-abundance microRNA targets in complex biological samples, including liquid biopsies of tumors. Many of current miRNA biosensing met...
Yao Zhou,Qiao Lin
Yao Zhou
This paper presents a class of novel microfluidic concentration gradient generation (CGG) devices that create temporally stable chemical concentration gradients with complex shapes in a flow-free environment. The devices feature a two-layer...
Single-cell electro-phenotyping for rapid assessment of Clostridium difficile heterogeneity under vancomycin treatment at sub-MIC (minimum inhibitory concentration) levels [0.03%]
低MIC浓度下万古霉素处理时单细胞电分型快速评估难辨梭状芽胞杆菌异质性
Ali Rohani,John H Moore,Yi-Hsuan Su et al.
Ali Rohani et al.
Current methods for measurement of antibiotic susceptibility of pathogenic bacteria are highly reliant on microbial culture, which is time consuming (requires > 16 hours), especially at near minimum inhibitory concentration (MIC) levels of ...
Monolithic CMOS sensor platform featuring an array of 9'216 carbon-nanotube-sensor elements and low-noise, wide-bandwidth and wide-dynamic-range readout circuitry [0.03%]
一种单片CMOS传感器平台，具有9216个碳纳米管传感器元件和低噪声、宽带宽及大动态范围的读出电路
Alexandra Dudina,Florent Seichepine,Yihui Chen et al.
Alexandra Dudina et al.
We present the design and characterization of a monolithic complementary metal-oxide-semiconductor (CMOS) biosensor platform comprising of a switch-matrix-based array of 9'216 carbon nanotube field-effect transistors (CNTFETs) and associate...
Filterless optical oxygen sensor based on a CMOS buried double junction photodiode [0.03%]
一种基于CMOS埋置双结光电二极管的无滤光片式光学氧分压传感器
Zhiyong Zhan,Bin Zhou,Zhenhong Fu et al.
Zhiyong Zhan et al.
We present a custom CMOS IC with a buried double junction (BDJ) photodiode to detect and process the optical signal, eliminating the need for any off-chip optical filters. The on-chip signal processing circuitry improves the desired signal ...