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A Label-free Technique for the Spatio-temporal Imaging of Single Cell Secretions

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Published on: November 23, 2015

Surface plasmonic biosensors: principles, designs and applications.

Hao Liu¹, Yusheng Fu¹, Rongzhi Yang¹

¹University of Electronic Science and Technology of China, Chengdu, China.

|November 3, 2023

Summary

Surface Plasmon Resonance (SPR) biosensors offer sensitive, label-free detection for environmental, food, and medical applications. Future trends focus on improved sensor design and preparation for enhanced performance.

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Area of Science:

* Analytical Chemistry
* Biomedical Engineering
* Environmental Science

Background:

* Surface Plasmon Resonance (SPR) biosensors are advanced analytical tools.
* They are increasingly utilized for their high sensitivity, rapid analysis, and label-free detection capabilities.
* Applications span environmental monitoring, food safety, and medical diagnostics.

Purpose of the Study:

* To review the historical development and fundamental principles of SPR sensing technology.
* To summarize recent applications of SPR sensors across various fields, detailing their performance metrics and limitations.
* To discuss future trends in SPR sensor preparation and design for performance enhancement.

Main Methods:

* Literature review of SPR technology development and applications.
* Analysis of SPR sensing principles and signal transduction mechanisms.
* Compilation and discussion of reported figures of merit for SPR sensors in diverse applications.

Main Results:

* SPR biosensors demonstrate significant advantages in sensitivity, speed, and label-free detection.
* Recent applications show efficacy in environmental monitoring, food contamination detection, and disease diagnosis.
* Current limitations and areas for improvement in SPR sensor performance are identified.

Conclusions:

* SPR biosensors are versatile tools with a growing impact across multiple scientific disciplines.
* Continued innovation in sensor design and material preparation is crucial for advancing SPR technology.
* Future research directions aim to further optimize SPR sensor performance and expand their application scope.