Please use this identifier to cite or link to this item: https://dspace.iiti.ac.in/handle/123456789/16424
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dc.contributor.authorSahare, Tileshwaren_US
dc.contributor.authorRana, Simranen_US
dc.contributor.authorSahoo, Badri Narayanaen_US
dc.contributor.authorKhanda, Milanen_US
dc.contributor.authorJoshi, Abhijeet B.en_US
dc.date.accessioned2025-07-09T13:48:02Z-
dc.date.available2025-07-09T13:48:02Z-
dc.date.issued2025-
dc.identifier.citationSahare, T., Rana, S., Sahoo, B. N., Khanda, M., & Joshi, A. (2025). Smartphone-based colorimetric detection of urinary glucose using a novel green and red/green approach. Biosensors and Bioelectronics X, 26. https://doi.org/10.1016/j.biosx.2025.100650en_US
dc.identifier.issn2590-1370-
dc.identifier.otherEID(2-s2.0-105008977002)-
dc.identifier.urihttps://dx.doi.org/10.1016/j.biosx.2025.100650-
dc.identifier.urihttps://dspace.iiti.ac.in:8080/jspui/handle/123456789/16424-
dc.description.abstractUrine dipsticks are commonly used to detect pathological changes in urine due to their low cost and easy operation, having glucose parameter to detect glucosuria. Despite their advantages, the urine dipstick is ineffective in the early detection of diabetes due to its limitations in the detection of glucose below 100 mg/dl. Here, we present a novel, cost-effective ambient ring light-based smartphone platform to accurately estimate urinary glucose concentrations in lower points utilizing glucose sensors obtained from commercially available urine dipsticks (Mission® and Recombigen™). Glucose sensors changed color from green to brown with the increasing glucose concentration, resulting in a response time of 5 min. In this study, smartphone was used to capture images and analyze Red-Green-Blue (RGB) profiles, extracted with the help of an open-source smartphone-android-based Color Picker app. G intensity was determined to be inversely proportional and R/G intensity to be directly proportional to the increasing glucose concentration. LOD was found to be 6.2 and 24 mg/dl for Mission® glucose sensors with G and R/G respectively. On the other hand, Recombigen™ dipstick glucose sensors, LOD was evaluated as 5.8 and 16 mg/dl with G and R/G respectively. This smartphone-based assessment of glucose using dipsticks can be beneficial in the current screening and diagnostics sector of earlier detection of glucose in urine. © 2025 The Authorsen_US
dc.language.isoenen_US
dc.publisherElsevier Ltden_US
dc.sourceBiosensors and Bioelectronics: Xen_US
dc.subjectColorPickeren_US
dc.subjectDiabetesen_US
dc.subjectGlucoseen_US
dc.subjectImageJen_US
dc.subjectRGBen_US
dc.subjectSmartphoneen_US
dc.subjectUrine dipsticksen_US
dc.titleSmartphone-based colorimetric detection of urinary glucose using a novel green and red/green approachen_US
dc.typeJournal Articleen_US
Appears in Collections:Department of Biosciences and Biomedical Engineering

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