Laser-Induced Breakdown Spectroscopy for Component Analysis in Food and Environmental Samples

A special issue of Chemosensors (ISSN 2227-9040). This special issue belongs to the section "Optical Chemical Sensors".

Deadline for manuscript submissions: 31 March 2026 | Viewed by 570

Special Issue Editor


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Guest Editor
Research Center of Intelligent Equipment, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
Interests: laser spectroscopy

Special Issue Information

Dear Colleagues,

We invite papers on applications of LIBS in food and environmental sciences, including pollution detection, safety assessments, nutrition measurements, air pollution detection, water quality monitoring, soil analysis, and food health.

Laser-induced breakdown spectroscopy, as a rapidly developing elemental analysis technique, has been extensively researched and applied in various fields for the rapid measurement of elements. The research interest in rapid screening for pollutants, food adulteration, and traceability based on LIBS technology is rapidly growing, especially in the fields of food and the environment. The Special Issue will provide a forum for research and applications in LIBS technology in these fields. We welcome review articles and original research papers that address, but are not limited to, the following topics:

  1. New applications of LIBS in the fields of food and the environment;
  2. New methods combining LIBS with artificial intelligence;
  3. New explorations of LIBS in food and environmental element monitoring;
  4. The development of portable and miniaturized LIBS devices;
  5. The driving role of LIBS in the fields of food and the environment.

Dr. Shixiang Ma
Guest Editor

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Keywords

  • laser-induced breakdown spectroscopy
  • food and environmental sciences
  • element monitoring

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Published Papers (1 paper)

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Research

13 pages, 1704 KB  
Article
Rapid High-Accuracy Quantitative Analysis of Water Hardness by Combination of One-Point Calibration Laser-Induced Breakdown Spectroscopy and Aerosolization
by Ting Luo, Weihua Huang, Riheng Chen, Furong Chen, Jinke Chen, Zhenlin Hu and Junfei Nie
Chemosensors 2025, 13(8), 271; https://doi.org/10.3390/chemosensors13080271 - 23 Jul 2025
Viewed by 438
Abstract
Water quality should be tested to ensure it is acceptable for the healthy growth of plants and animals, and water hardness is one of the important testing indexes. Herein, a novel approach was proposed to achieve high accuracy and rapid quantitative analyses of [...] Read more.
Water quality should be tested to ensure it is acceptable for the healthy growth of plants and animals, and water hardness is one of the important testing indexes. Herein, a novel approach was proposed to achieve high accuracy and rapid quantitative analyses of water hardness by combining one-point calibration laser-induced breakdown spectroscopy (OPC–LIBS) and aerosolization. First, the water samples are aerosolized via the aerosol generation device and the LIBS spectra of aerosols are obtained. Then, a modified OPC–LIBS model is used to determine the elemental contents of the aerosols via LIBS spectra, in which the plasma temperature is calculated using the Multi-Element Saha–Boltzmann (ME–SB) plot. One suitable standard liquid sample (the concentrations of Ca, Mg, and Sr were 50 mg/L, 50 mg/L, and 500 mg/L, respectively) was selected to evaluate the quantitative performance of the modified OPC–LIBS. Then, the Ca and Mg concentrations in the three real water samples (from the Yangtze River, reservoir, and underground) were detected and quantified by the proposed method, and the quantitative results of three LIBS calibration methods were compared with that of inductively coupled plasma optical emission spectroscopy (ICP–OES). The average relative error of Ca and Mg found in the OPC–LIBS results was lower by 22.23% than the internal standard method and 14.50% lower than the external standard method. The method combining modified OPC–LIBS and aerosolization can achieve high-precision rapid quantification of water hardness detection, which provides a new path for rapid detection of water hardness and is expected to make online detection a reality in the water quality testing field. Full article
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