Plasmonic Nanomaterials Involved in Spectral Sensing

A special issue of Biosensors (ISSN 2079-6374). This special issue belongs to the section "Optical and Photonic Biosensors".

Deadline for manuscript submissions: closed (30 November 2022) | Viewed by 4476

Special Issue Editors


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Guest Editor
The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, China
Interests: spectral sensing and in vitro diagnosis; optical nanomaterials; photo-catalysis

E-Mail Website
Guest Editor
The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, China
Interests: synthesis and optical property of noble metal nanoparticles; optical bio-probe; multi-information based biomedical spectral sensing

Special Issue Information

Dear Colleagues,

Plasmonic nanomaterials such as Au and Ag NPs have been widely studied because of their unique localized surface plasmon resonance (LSPR) in the visible and near infrared range. Due to these inherent optical properties, plasmonic nanomaterials lead to light extinction, surface-enhanced Raman scattering, and quenched or enhanced fluorescence. The employment of plasmonic nanomaterials in spectral sensing is giving rise to ultrasensitive and rapid methods for biomedical diagnosis, food safety, and environmental monitoring. However, there are still challenges for plasmon-based spectral sensing used in the real-world scene, such as reliability and availability. The purpose of this Special Issue is to showcase recent efforts in the field of plasmonic nanomaterials involved in spectral sensing, including fabrication of novel plasmonic probes and devices, development of innovative sensing strategies, and their applications in biomedical diagnosis, food safety, environmental monitoring, and so on. Original research articles as well as review papers are welcome.

Dr. Guojun Weng
Prof. Dr. Jianjun Li
Guest Editors

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Keywords

  • localized surface plasmon resonance (LSPR)
  • colorimetric sensing
  • surface-enhanced Raman scattering (SERS)
  • fluorescent detection
  • point-of-care testing (POCT) and smart sensing
  • biomedical diagnosis
  • food safety
  • environmental monitoring

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Published Papers (1 paper)

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Review

30 pages, 3191 KiB  
Review
Recent Advances in Nanoparticle-Based Optical Sensors for Detection of Pesticide Residues in Soil
by Chunhong Zhang, Mingle Qiu, Jinglin Wang and Yongchun Liu
Biosensors 2023, 13(4), 415; https://doi.org/10.3390/bios13040415 - 23 Mar 2023
Cited by 7 | Viewed by 4052
Abstract
The excessive and unreasonable use of pesticides has adversely affected the environment and human health. The soil, one of the most critical natural resources supporting human survival and development, accumulates large amounts of pesticide residues. Compared to traditional spectrophotometry analytical methods, nanoparticle-based sensors [...] Read more.
The excessive and unreasonable use of pesticides has adversely affected the environment and human health. The soil, one of the most critical natural resources supporting human survival and development, accumulates large amounts of pesticide residues. Compared to traditional spectrophotometry analytical methods, nanoparticle-based sensors stand out for their simplicity of operation as well as their high sensitivity and low detection limits. In this review, we focus primarily on the functions that various nanoparticles have and how they can be used to detect various pesticide residues in soil. A detailed discussion was conducted on the properties of nanoparticles, including their color changeability, Raman enhancement, fluorescence enhancement and quenching, and catalysis. We have also systematically reviewed the methodology for detecting insecticides, herbicides, and fungicides in soil by using nanoparticles. Full article
(This article belongs to the Special Issue Plasmonic Nanomaterials Involved in Spectral Sensing)
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