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Biosensors, Electrochemical Sensors, Mechanical Sensors and Integrated Systems

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Biosensors".

Deadline for manuscript submissions: closed (29 April 2022) | Viewed by 2181

Special Issue Editor


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Guest Editor
1. School of Mechanical Engineering, Sichuan University, Chengdu 610065, China
2. Med+X Center for Manufacturing, West China Hospital, Sichuan University, Chengdu 610041, China
Interests: Integration of Nanomaterial into Microsystem; Micromachining of Carbon-MEMS and Integrated Microdevice; Power-MEMS and On-Chip Integrated Microsystem
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Special Issue Information

Dear Colleagues,

Sensors, such as electrochemical sensors, biomedical sensors, mechanical sensors, etc., are essential components in systems being used for detection, diagnostics, monitoring, critical care, and public health. The detection of a variety of objects, and high sensitivity and selectivity are requirements of high-performance micro/nano sensors. The latest progresses and developments in the field of micro/nano technology have positive influences on the promotion of functional micro/nano sensors, especially in electrochemical sensors, mechanical sensors, and biosensors. Micro/nano sensors and integrated micro/nano systems are often employed in portable instruments and online monitoring instruments. Cost-effective, reliable, and rapid sensing are the research focus of micro/nano sensors and integrated micro/nano systems.

Prof. Dr. Liang He
Guest Editor

Manuscript Submission Information

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Keywords

  • electrochemical sensor
  • biosensor
  • mechanical sensors
  • strain sensor
  • wearable device
  • implantable electrode

Published Papers (1 paper)

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Research

11 pages, 2737 KiB  
Communication
Detection of β-Lactoglobulin by a Porous Silicon Microcavity Biosensor Based on the Angle Spectrum
by Lanlan Bai, Yun Gao, Jiajia Wang, Tuerxunnayi Aili, Zhenhong Jia, Xiaoyi Lv, Xiaohui Huang and Jie Yang
Sensors 2022, 22(5), 1912; https://doi.org/10.3390/s22051912 - 01 Mar 2022
Cited by 4 | Viewed by 1612
Abstract
In this paper, carbon quantum dot-labelled β-lactoglobulin antibodies were used for refractive index magnification, and β-lactoglobulin was detected by angle spectroscopy. In this method, the detection light is provided by a He-Ne laser whose central wavelength is the same as that of the [...] Read more.
In this paper, carbon quantum dot-labelled β-lactoglobulin antibodies were used for refractive index magnification, and β-lactoglobulin was detected by angle spectroscopy. In this method, the detection light is provided by a He-Ne laser whose central wavelength is the same as that of the porous silicon microcavity device, and the light source was changed to a parallel beam to illuminate the porous silicon microcavity’ surface by collimating beam expansion, and the reflected light was received on the porous silicon microcavity’ surface by a detector. The angle corresponding to the smallest luminous intensity before and after the onset of immune response was measured by a detector for different concentrations of β-lactoglobulin antigen and carbon quantum dot-labelled β-lactoglobulin antibodies, and the relationship between the variation in angle before and after the immune response was obtained for different concentrations of the β-lactoglobulin antigen. The results of the experiment present that the angle variations changed linearly with increasing β-lactoglobulin antigen concentration before and after the immune response. The limit of detection of β-lactoglobulin by this method was 0.73 μg/L, indicating that the method can be used to detect β-lactoglobulin quickly and conveniently at low cost. Full article
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