光电探测器
光散射
激光器
材料科学
光纤
炸薯条
实验室晶片
散射
计算机科学
微流控
测距
光学
支持向量机
光电子学
人工智能
纳米技术
物理
电信
作者
Mubashir Hussain,Xiaolong Liu,Jun Zou,Jian Yang,Zeeshan Ali,Hamood Ur Rehman,Nongyue He,Jianguo Dai,Yongjun Tang
标识
DOI:10.1016/j.cclet.2021.09.044
摘要
The rapid detection of microparticles exhibits a broad range of applications in the field of science and technology. The proposed method differentiates and identifies the 2 µm and 5 µm sized particles using a laser light scattering. The detection method is based on measuring forward light scattering from the particles and then classifying the acquired data using support vector machines. The device is composed of a microfluidic chip linked with photosensors and a laser device using optical fiber. Connecting the photosensors and laser device using optical fibers makes the device more diminutive in size and portable. The prepared sample containing microspheres was passed through the channel, and the surrounding photosensors measured the scattered light. The time-domain features were evaluated from the acquired scattered light, and then the SVM classifier was trained to distinguish the particle's data. The real-time detection of the particles was performed with an overall classification accuracy of 96.06%. The optimum conditions were evaluated to detect the particles with a minimum concentration of 0.2 µg/mL. The developed system is anticipated to be helpful in developing rapid testing devices for detecting pathogens ranging between 2 µm to 10 µm.
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