Journal
BIOSENSORS-BASEL
Volume 13, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/bios13060666
Keywords
bipolar electrodes; electrochemiluminescence; luminophores; multiplex assaying; biosensors
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Recently, the combination of electrochemiluminescence (ECL) and bipolar electrochemistry (BPE) has been widely applied in simple biosensing devices, particularly in clinical settings. This review aims to provide a comprehensive overview of ECL-BPE, including its strengths, weaknesses, limitations, and potential applications as a biosensing technique. The review discusses the latest developments in ECL-BPE, such as innovative electrode designs and novel luminophores and co-reactants used in ECL-BPE systems, as well as challenges and potential advancements in the field. The studies reviewed indicate that ECL-BPE has the potential to revolutionize the field of biosensing.
Recently, there has been an upsurge in the extent to which electrochemiluminescence (ECL) working in synergy with bipolar electrochemistry (BPE) is being applied in simple biosensing devices, especially in a clinical setup. The key objective of this particular write-up is to present a consolidated review of ECL-BPE, providing a three-dimensional perspective incorporating its strengths, weaknesses, limitations, and potential applications as a biosensing technique. The review encapsulates critical insights into the latest and novel developments in the field of ECL-BPE, including innovative electrode designs and newly developed, novel luminophores and co-reactants employed in ECL-BPE systems, along with challenges, such as optimization of the interelectrode distance, electrode miniaturization and electrode surface modification for enhancing sensitivity and selectivity. Moreover, this consolidated review will provide an overview of the latest, novel applications and advances made in this field with a bias toward multiplex biosensing based on the past five years of research. The studies reviewed herein, indicate that the technology is rapidly advancing at an outstanding purse and has an immense potential to revolutionize the general field of biosensing. This perspective aims to stimulate innovative ideas and inspire researchers alike to incorporate some elements of ECL-BPE into their studies, thereby steering this field into previously unexplored domains that may lead to unexpected, interesting discoveries. For instance, the application of ECL-BPE in other challenging and complex sample matrices such as hair for bioanalytical purposes is currently an unexplored area. Of great significance, a substantial fraction of the content in this review article is based on content from research articles published between the years 2018 and 2023.
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