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Rapid On-Site and Sensitive Detection of Microplastics Using Zirconium(IV)-Assisted SERS Label
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Researchers developed a rapid, portable detection method using specialized spectroscopy that can identify polystyrene microplastics at concentrations as low as 1 part per billion in water. The technique maintained over 90% accuracy when tested in real tap water samples. Affordable, field-ready detection tools like this are essential for monitoring microplastic contamination in food and water systems to protect human health.
Microplastics have emerged as significant pollutants in terrestrial and marine ecosystems, with their accumulation posing a threat to human health through biomagnification along the food chain. Developing a rapid, on-site, and sensitive method for detecting microplastics in agri-food and environmental systems is important for assessing and minimizing their potential risks. In this study, we developed a novel surface-enhanced Raman spectroscopy (SERS) technique for the rapid, on-site, and ultrasensitive detection of microplastics. Our innovative technique incorporated Zr4+-assisted SERS label strategies, utilizing rhodamine B as a Raman reporter to improve microplastics analysis. By utilizing Zr4+-assisted SERS label approaches, we can achieve qualitative and ultrasensitive quantification of 10 μm polystyrene microplastics (PSMPs) at concentrations as low as 0.1 ppm with a detection limit of 1 ppb. Furthermore, this approach allows for detecting microplastics in real-world scenarios, with recovery rates exceeding 90% for polystyrene microplastic concentrations ranging from 5 to 30 ppm in tap water systems. When integrated with a portable Raman spectrometer, this innovative approach showcases the rapid, on-site, accurate, and sensitive detection of microplastics and has great potential for analyzing various types of microplastics in agri-food and environmental systems.
More Papers Like This
Rapid On-Site and Sensitive Detection of Microplastics Using Zirconium (IV)-Assisted SERS Label
AI summary Read the abstract
Researchers developed a novel surface-enhanced Raman spectroscopy technique using a zirconium-based label for rapid, on-site detection of microplastics. The method achieved sensitive and reliable identification of microplastic particles in agricultural and environmental samples. The study offers a promising portable detection approach that could make routine microplastic monitoring more practical and accessible.
Breaking theSize Barrier: SERS-Based UltrasensitiveDetection and Quantification of Polystyrene Plastics in Real WaterSamples
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Researchers introduced a SERS-based detection platform capable of identifying and quantifying polystyrene plastic particles of diverse sizes in real water samples with ultrasensitive detection limits, offering a practical tool for environmental microplastic monitoring.
Selective on-site detection and quantification of polystyrene microplastics in water using fluorescence-tagged peptides and electrochemical impedance spectroscopy
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Researchers created a portable detection system using fluorescence-tagged peptides and electrochemical sensors to identify polystyrene microplastics in different water types. The method could detect microplastics across a wide size range and in various water conditions, including seawater and tap water. This on-site detection approach could make microplastic monitoring faster and more accessible compared to traditional laboratory methods.
A Highly Sensitive SERS Substrate for Detection of Nanoplastics in Water
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Researchers developed a highly sensitive SERS-based substrate for detecting nanoplastic particles in water at very low concentrations. Improved detection tools for nanoplastics are essential for monitoring their presence in drinking water and understanding exposure risks to human health.
Identification of polystyrene nanoplastics using surface enhanced Raman spectroscopy
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Researchers demonstrated for the first time that surface-enhanced Raman spectroscopy (SERS) using silver nanoparticles can identify polystyrene nanoplastics as small as 50 nm in real water samples, providing a rapid detection method that bypasses conventional sample preparation and could advance environmental monitoring of nanoplastics previously invisible to standard analytical techniques.
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