Vis-NIR spectra-image transformation based on circular spectral mapping for measurement of particulate matter concentration.

Journal: Analytica chimica acta
Published Date: Apr 24, 2025

Abstract

BACKGROUND: The fine particulate matter (PM), one of the most concerned airborne pollutants, significantly impacts air quality and human health. The potential hazard of PM related to its concentration, while the traditional methods for PM concentration measuring were expensive, time-consuming, while low-cost sensors often suffer from poor accuracy and stability. Therefore, there is a great need for a rapid, precise and stable measurement method for filter-based PM.

Authors

  • Tiantian Pan
    College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China.
  • Xiaorong Dai
    College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, 315100, China.
  • Wei Wang
    State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau 999078, China.
  • Yuan Wang
    State Key Laboratory of Soil and Sustainable Agriculture, Changshu National Agro-Ecosystem Observation and Research Station, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, China.
  • Hang Xiao
    CAS-MPG Partner Institute for Computational Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, 320 Yueyang Road, Shanghai, China.
  • Fei Liu
    Department of Interventional Radiology, Qinghai Red Cross Hospital, Xining, Qinghai, China.

Keywords

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