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Rapid detection of microplastics in chicken feed based on near infrared spectroscopy and machine learning algorithm.
Spectrochim Acta A Mol Biomol Spectrosc
December 2024
College of Artificial Intelligence, Nankai University, Tianjin 300350, China.
The main objective of this study was to evaluate the potential of near infrared (NIR) spectroscopy and machine learning in detecting microplastics (MPs) in chicken feed. The application of machine learning techniques in building optimal classification models for MPs-contaminated chicken feeds was explored. 80 chicken feed samples with non-contaminated and 240 MPs-contaminated chicken feed samples including polypropylene (PP), polyvinyl chloride (PVC), and polyethylene terephthalate (PET) were prepared, and the NIR diffuse reflectance spectra of all the samples were collected.
View Article and Find Full Text PDFUnravelling land-based discharge of microplastics in River Basantar of Jammu & Kashmir, India: Understanding sinking behaviors and risk assessments.
J Contam Hydrol
December 2024
Department of Zoology, Central University of Jammu, Jammu & Kashmir 181143, India. Electronic address:
Microplastics (MPs) are ubiquitous and are increasing globally, but there is limited information available on their presence in freshwater ecosystems. This research work aims to investigate the abundance, sinking behavior, and risk assessment of MPs in the freshwater River Basantar, Jammu & Kashmir, India. Microplastic abundance in sediments was recorded in the range of 1-6 items g, with a mean abundance of 3 ± 1.
View Article and Find Full Text PDFCharacterization and risk assessment of microplastics in shoreline sediments of the Yellow River Delta.
Mar Environ Res
December 2024
Institute of Ocean Research, Peking University, Beijing 100871, China; College of Urban and Environmental Sciences, Peking University, Beijing 100871, China. Electronic address:
As the intersection of river, sea, and land, river deltas are hotspots for the accumulation of microplastics (MPs). This study investigated the abundance and characteristics of MPs in surface sediments from shoreline area of the Yellow River Delta in northern China, elucidated their sources, and assessed their risk. The MPs isolated from sediment samples were detected and characterized using optical microscopy and micro-Fourier transform infrared spectroscopy (μ-FTIR).
View Article and Find Full Text PDFPlasticized polyvinyl chloride: From material properties to flexible applications.
Adv Colloid Interface Sci
December 2024
Faculty of Textile Science and Technology, Shinshu University, 3-15-1 Tokida, Ueda, Nagano 386-8567, Japan. Electronic address:
The development of electroactive polymers (EAPs) affords novel integrated actuation and sensing technologies for intelligent flexible systems, enabling them to achieve remarkable flexibility and intelligence. Among EAPs, plasticized polyvinyl chloride (PVC) gel stands out as an ideal candidate for next-generation intelligent flexible applications due to its combination of exceptional actuation and sensing properties. This paper presents a comprehensive overview of recent advances in PVC gel actuators and sensors, including fabrication, properties, modeling, and applications.
View Article and Find Full Text PDFThe abundance, removal efficiency, and characteristics of microplastics in three urban wastewater treatment plants (WWTPs) on the southern coast of the Caspian Sea.
Environ Monit Assess
December 2024
Department of Earth Sciences, College of Science, Shiraz University, Shiraz, 71454, Iran.
Wastewater treatment plants (WWTPs) are one of the major collection points of microplastics (MPs). The MPs in influents and effluents of WWTPs were assessed for three cities on the southern coast of the Caspian Sea in the winter and spring seasons. The MP removal rate of WWTPs ranged between 71.
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