Signal‐off Photoelectrochemical Aptasensor for S. aureus Detection Based on Graphite‐like Carbon Nitride Decorated with Nickel Oxide

Xiaoqi Chen; Zhiqing Yang; Luchen AiShuang ZhouHai FanShiyun Ai

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Signal‐off Photoelectrochemical Aptasensor for S. aureus Detection Based on Graphite‐like Carbon Nitride Decorated with Nickel Oxide

机译：Signal‐off Photoelectrochemical Aptasensor for S. aureus Detection Based on Graphite‐like Carbon Nitride Decorated with Nickel Oxide

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Abstract A signal‐off photoelectrochemical (PEC) aptasensor was proposed for pathogenic bacteria detection based on graphite‐like carbon nitride decorated with NiO. The S. aureus be captured by the specific recognition of DNA aptamer, which was immobilized on the PEC electrode surface according to the specific effect of carboxylic group and NiO. The PEC signal would be obviously suppressed due to the transfer blocking of electron donor to PEC active material surface by steric hindrance and electrostatic repulsion. The PEC aptasensor showed excellent specificity and high sensitivity for S. aureus, and this provides simple strategy to construct point‐of‐care testing aptasensor for bacteria analysis.

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来源
《Electroanalysis》 |2022年第2期|310-315|共6页
作者
Xiaoqi Chen; Zhiqing Yang; Luchen AiShuang ZhouHai FanShiyun Ai;
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作者单位

Shandong Agricultural University;

Hainan University;

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原文格式 PDF
正文语种英语
中图分类电化学、电解、磁化学;
关键词
Nickel oxide; Carbon nitride; Photoelectrochemical; Aptasensor; S. aureus;

Signal‐off Photoelectrochemical Aptasensor for S. aureus Detection Based on Graphite‐like Carbon Nitride Decorated with Nickel Oxide

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