Ultrasensitive dopamine detection using CsPbBr <sub>3</sub> -PQD-COF nanocomposites: a synergistic fluorescence and EIS approach
Munthar KedhimCollege of Pharmacy, The Islamic University, Najaf, IraqVicky JainMarwadi University Research Center, Department of Chemistry, Faculty of Science, Marwadi University, Rajkot-360003, Gujarat, IndiaSuhas BallalDepartment of Chemistry and Biochemistry, School of Sciences, JAIN (Deemed to be University), Bangalore, Karnataka, IndiaAbhinav KumarDepartment of Mechanical Engineering, Karpagam Academy of Higher Education, Coimbatore 641021, IndiaAbhayveer SinghCentre for Research Impact & Outcome, Chitkara University Institute of Engineering and Technology, Chitkara University, Rajpura, Punjab, 140401, IndiaV KavithaDepartment of Chemistry, Sathyabama Institute of Science and Technology, Chennai, Tamil Nadu, IndiaRajashree PanigrahiDepartment of Microbiology, IMS and SUM Hospital, Siksha ‘O’ Anusandhan (Deemed to be University), Bhubaneswar, Odisha-751003, IndiaHadi NoorizadehDepartment of Chemistry, Islamic Azad University, Tehran, Iran
2025en
ABI
Abstract
Dual-mode dopamine sensor using CsPbBr 3 -PQD-COF nanocomposites achieves femtosecond sensitivity (0.3 fM fluorescence, 2.5 fM EIS) with visual readout and high specificity for biomedical applications.
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