ArticleMikrochimica acta2025
Lateral flow and colorimetric assay for ketamine detection reinforced with deep learning model interfaced with mobile app for smart alert.
Article in Mikrochimica acta, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Point-of-care (POC) devices have grown in popularity due to their ease of use, low cost, and speedy on-site diagnostic capabilities. This study focuses on ketamine detection by colorimetric and lateral flow assays (LFA), with aptamer-based LFA emerging as a potential alternative to antibody-based approaches due to its stability, repeatability, and simplicity of modification. Two methods were investigated: (1) This approach used gold nanoparticles and an in-solution adsorption technique to create colorimetric aptasensors integrated with a UV-Vis spectrophotometer for the detection of the drug ketamine, and (2) innovative LFA tests with a detection limit of 0.1 µg/mL in synthetic urine samples. A dual-stage deep learning framework (YOLOv5 and ResNet50) was also built to categorize. This method proposes a dual-stage deep learning system for the effective classification of lateral flow assay (LFA) strip data. The technology proved accuracy, speed, and dependability, providing a portable, cost-effective alternative for point-of-care diagnostics.
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