Gopi Karuppaiah
10 Papers
Gopi Karuppaiah is an academic researcher. The author has contributed to research in topics: Biosensor & Medicine. The author has an hindex of 1, co-authored 6 publications.
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Papers
Towards the development of reagent-free and reusable electrochemical aptamer-based cortisol sensor.
Gopi Karuppaiah,Jayasudha Velayutham,Shekhar Hansda,Nagesh Narayana,Shekhar Bhansali,Pandiaraj Manickam +5 more
TL;DR: In this paper , a reagentless aptamer-based biosensing platform that allows a continuous and real-time cortisol measurement is developed in which the aptamer is conjugated with methylene blue, which acts as a redox reporter to probe the cortisol binding quantitatively on the sensor surface.
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Electrochemical sensors for cortisol detection: Principles, designs, fabrication, and characterisation.
TL;DR: Despite significant advancements, the development of electrochemical cortisol sensors faces challenges such as biofouling, sample preparation, sensitivity, flexibility, stability, and recognition layer performance, and the need to develop more sensitive electrodes and materials is emphasized.
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Emerging trends in point-of-care biosensing strategies for molecular architectures and antibodies of SARS-CoV-2
TL;DR: In this paper , a review of point-of-care (POC) biosensors combined with stateof-the-art bioreceptors, and transducing systems enabled the development of novel diagnostic tools for rapid and reliable detection of biomarkers associated with SARS-CoV-2.
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Ratiometric electrochemical detection of kojic acid based on glassy carbon modified MXene nanocomposite
TL;DR: A ratiometric electrochemical sensor for accurate detection of kojic acid in complex samples based on glassy carbon modified MXene nanocomposite. The sensor exhibits high selectivity, sensitivity, and reproducibility.
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Self-Reporting Molecularly Imprinted Polymer-Based Electrochemical Sensors for Structurally Similar Analytes
Vignesh Magudeeswaran,Jayasudha Velayutham,Sriraja Subhasri Paramasivam,Gopi Karuppaiah,Siva Ananth Mariappan,Pandiaraj Manickam +5 more
TL;DR: In this article , a self-reporting molecular imprinted polymers (MIPs) with inherent redox activity was developed for reagent-free electrochemical detection of steroid hormone biomarker cortisol, where Ferrocenylmethyl methacrylate and acrylic acid were used as redox and functional monomers.
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