Enhancing the Performance of Surface-based Biosensors by AC Electrokinetic Effects - a Review

Roy, Protiva Rani; Tomkins, Matthew R.; Docoslis, Aristides

doi:10.5772/19898

Biosensors - Emerging Materials and Applications 2011

DOI: 10.5772/19898

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Enhancing the Performance of Surface-based Biosensors by AC Electrokinetic Effects - a Review

Protiva Rani Roy¹,

Matthew R. Tomkins²,

Aristides Docoslis³

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2023

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Cited by 1 publication

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References 114 publications

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“…Surface-based biosensors have attracted significant research interests due to their small sizes and many possible applications. 15,16 These sensors are built with a conductive electrode surface and bio-recognition components that allow detection of target analytes such as proteins, DNA, and antibodies. 17 Widely studied surface materials include platinum, gold, carbon and Mercury.…”

mentioning

confidence: 99%

Improvement of Low-Cost Commercial Carbon Screen-Printed Electrodes Conductivities with Controlled Gold Reduction Towards Thiol Modification

Partanen,

Lee,

Omoboye

et al. 2023

J. Electrochem. Soc.

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Effectively detecting bacteria in the environment is crucial for researchers to make informed decisions about the safety of public areas such as lakes. This led to an increased need in the development of portable handheld devices capable of on-the-spot chemical and biological sensing applications. Specific interests lie in electrochemical biosensors and screen-printed electrodes (SPEs) due to the decreased costs, an ability to integrate with handheld devices, and their user-friendly nature. Together, these qualities make the devices more accessible in resource-poor settings. Two of the most common substrates used to fabricate SPEs are carbon and gold. Carbon SPEs are effective in sensing applications yet challenged when attempting to covalently attach biomolecules to the surface. Gold SPEs have higher affinity towards biomolecules and improve the sensitivity, selectivity, and stability of a device, yet they can be costly. A carbon SPE modified with gold may be an ideal candidate to create an efficient low-cost device, using electrochemical gold deposition. In this study, electrochemical gold deposition on SPEs is explored to enhance the surface area and conductivity towards sensing applications. These SPEs were then modified with a thiol-based self-assembled monolayer which demonstrates this technique could be used for further modification towards biosensing.

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mentioning

confidence: 99%

Improvement of Low-Cost Commercial Carbon Screen-Printed Electrodes Conductivities with Controlled Gold Reduction Towards Thiol Modification

Partanen,

Lee,

Omoboye

et al. 2023

J. Electrochem. Soc.

View full text Add to dashboard Cite

show abstract

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Enhancing the Performance of Surface-based Biosensors by AC Electrokinetic Effects - a Review

Cited by 1 publication

References 114 publications

Improvement of Low-Cost Commercial Carbon Screen-Printed Electrodes Conductivities with Controlled Gold Reduction Towards Thiol Modification

Improvement of Low-Cost Commercial Carbon Screen-Printed Electrodes Conductivities with Controlled Gold Reduction Towards Thiol Modification

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