期刊
BIOINTERFACE RESEARCH IN APPLIED CHEMISTRY
卷 11, 期 6, 页码 14057-14077出版社
BIOINTERFACE RESEARCH APPLIED CHEMISTRY
DOI: 10.33263/BRIAC116.1405714077
关键词
aptasensor; nanomaterial; nanoaptasensor; aptamer; electrochemical; optical
资金
- Universiti Brunei Darussalam's grant of Negara Brunei Darussalam [UBD/RSCH/1.4/FICBF(b)/2020/025]
- Brunei Research Council of Negara Brunei Darussalam [BRC-10]
This paper introduces the development trend of aptamer sensors in the field of biosensors and the latest research progress in the food, biomedical, and environmental application areas. It mainly focuses on the design strategies of utilizing aptamers combined with nanomaterials in sensor manufacturing. Additionally, this paper highlights the importance of aptasensors utilizing various signal recognition methods.
The past decade has witnessed extensive research in the field of biosensors, where nanoaptasensors achieved widespread interest. Aptamer, the single-stranded DNA or RNA nucleotide, is extensively employed as a bioreceptor due to its stability, ease in a modification that ensures convenient immobilization strategies, reducing the cost of sensor manufacturing. The detection limit and sensitivity were notably improved when modified with nanomaterials such as metal nanoparticles, carbon nanomaterials, graphene, quantum dots, and other nanocomposites. This paper introduces various design strategies for the fabrication of sensors utilizing aptamers and nanomaterials in developing signal-readout mechanism, focusing mainly on the latest research in food, biomedical and environmental applications. Aptasensors that utilize various signal recognition methods such as electrochemistry, colorimetry, luminescence, and fluorescence are highlighted. This review offers a wide range of outlook for future developments of aptamer bioreceptors employing the unique physicochemical nanomaterials as efficient transducers and amplifiers. Furthermore, this review will also provide an insight into aptamer-aided biosensors' technology over the last three to five years of work.
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