alexa Microneedle Biosensor: A Method for Direct Label-free Real Time Protein Detection.
Engineering

Engineering

Journal of Biosensors & Bioelectronics

Author(s): Esfandyarpour R, Esfandyarpour H, Javanmard M, Harris JS, Davis RW

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Abstract Here we present the development of an array of electrical micro-biosensors in a microfluidic channel, called microneedle biosensors. A microneedle biosensor is a real-time, label-free, direct electrical detection platform, which is capable of high sensitivity detection, measuring the change in ionic current and impedance modulation, due to the presence or reaction of biomolecules such as proteins and nucleic acids. In this study, we successfully fabricated and electrically characterized the sensors and demonstrated successful detection of target protein. In this study, we used biotinylated bovine serum albumin as the receptor and streptavidin as the target analyte.
This article was published in Sens Actuators B Chem and referenced in Journal of Biosensors & Bioelectronics

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