ArticleSensors (Basel, Switzerland)2021
Detection of Microplastic in Salts Using Terahertz Time-Domain Spectroscopy.
Article in Sensors (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- NMR Relaxometry Across Time: From Early Insights to Emerging Directions.Magnetic resonance in chemistry : MRC · 2025Article
- Optical parameters extraction of soil and its microplastics contamination using terahertz spectroscopy.Heliyon · 2024Article
- Ultra-High Sensitivity Terahertz Microstructured Fiber Biosensor for Diabetes Mellitus and Coronary Heart Disease Marker Detection.Sensors (Basel, Switzerland) · 2023Article
- Terahertz and Millimeter Wave Sensing and Applications.Sensors (Basel, Switzerland) · 2022Article
- Terahertz Time-Domain Spectroscopic Study of Tricalcium Silicate.Sensors (Basel, Switzerland) · 2022Article
- Terahertz Spectroscopic Analysis of Lactose in Infant Formula: Implications for Detection and Quantification.Molecules (Basel, Switzerland) · 2022Article
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
We report on a prototypical study of the detection of microplastic embedded in table salts by using terahertz time-domain spectroscopy. In the experiment, high-density polyethylene (HDPE) of sizes from 150 to 400 μm are used as a representative microplastic and mixed with table salts. Analyzing terahertz transmittance with an effective medium model, we extract various optical properties such as refractive index, absorption coefficient, and real/imaginary parts of the dielectric constant of the mixture. Consequently, the optical properties exhibit volume-ratio-dependence in 0.1-0.5 THz regimes. Especially, the refractive index and the real part of the dielectric constant possess monotonic frequency dependence, meaning that the quantities can be relevant indicators for the detection of the microplastic in terms of practical applications. Our work proves that terahertz time-domain spectroscopy can pave a way to recognize microplastic mixed with salts and be expanded for detecting various micro-sized particles.
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Registered trials
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