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Rapid pesticide residues detection by portable filter-array hyperspectral imaging.
Spectrochim Acta A Mol Biomol Spectrosc
January 2025
School of Precision Instrument and Opto-electronics Engineering, Tianjin University, Tianjin 300072 China. Electronic address:
The detection of pesticide residues in agricultural products is crucial for ensuring food safety. However, traditional methods are often constrained by slow processing speeds and a restricted analytical scope. This study presents a novel method that uses filter-array-based hyperspectral imaging enhanced by a dynamic filtering demosaicking algorithm, which significantly improves the speed and accuracy of detecting pesticide residues.
View Article and Find Full Text PDFEnhanced detection of Cystatin C for predicting adverse outcomes in gestational diabetes mellitus using a point-of-care immunosensor.
Bioelectrochemistry
January 2025
Tongzhou Maternal & Child Health Hospital of Beijing, No. 124, Yuqiao Middle Road, Tongzhou District, Beijing 101101 PR China. Electronic address:
Cystatin C (Cys-C) is emerging as a critical biomarker for assess gestational diabetes mellitus (GDM), a condition that significantly impacts maternal and fetal health. In this study, we developed a novel label-free electrochemical immunosensor designed for point-of-care applications, offering lower reagent consumption and rapid detection of Cys-C in pregnant women with GDM. Compared to traditional enzyme-linked immunosorbent assays (ELISA), the sensor demonstrates enhanced sensitivity, reduced reagent usage, and faster detection.
View Article and Find Full Text PDFFabrication of Highly Fluorescent Nitrogen and Phosphorus Dual-Doped Carbon Dots for Selective Sensing of Rutin.
Luminescence
January 2025
Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Tanta University, Tanta, Egypt.
Based on nitrogen and phosphorus co-doped carbon dots (NP-CDs), a direct, quick, and selective sensing probe for fluorometric detection of rutin has been developed. Utilizing ethylene diamine tetra acetic acid (EDTA) as a carbon and nitrogen source and diammonium hydrogen phosphate (NH)HPO as a nitrogen and phosphorus source. The NP-CDs were synthesized in less than 3 min with a straightforward one-step microwave pyrolysis process with a high quantum yield (63.
View Article and Find Full Text PDFComparative analysis of deep learning models for crack detection in buildings.
Sci Rep
January 2025
Student Engagement, Shiv Nadar University, Delhi-NCR, 201314, Delhi, India.
Life-time of the buildings is generally challenged by the act of nature. In-spite of the fact that the constructions provide minimum guarantee on quality and durability, certain mismatch in the composition of the materials, stress on the building, and chemical or physical imbalance of the materials, lead to surface crack. Cracks are also generated due to the shuffle of climatic conditions, which leads to the contraction and expansion of the building surfaces, and other damages.
View Article and Find Full Text PDFMethod Validation for Estimation of Imidacloprid and its Metabolites in Maize and Soil by LCMS-MS.
J Chromatogr Sci
January 2025
Pesticide Residue Analysis Laboratory, Department of Entomology, Punjab Agricultural University, Ludhiana 141004, Punjab, India.
Validation of Quick, Easy, Cheap, Effective, Rugged, and Safe (QuEChERS) method was performed for estimation of imidacloprid (IM) and its metabolites in maize leaves, immature kernels, mature kernels, stalk, and soil using liquid chromatograph tandem mass spectrometry, coupled with electrospray ionization. The extraction in different matrices of maize and soil was performed using acetonitrile +0.1% formic acid followed by clean-up with primary secondary amine sorbent and anhydrous magnesium sulfate.
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