CeO2·ZnO@基于生物质衍生碳纳米复合材料的电化学传感器,用于有效检测 Askorbic 酸
Jahir Ahmed1, M Faisal1, Jari S Algethami1
1Advanced Materials and Nano-Research Centre (AMNRC), Najran University, Najran, 11001, Saudi Arabia; Department of Chemistry, Faculty of Science and Arts, Najran University, Najran, 11001, Saudi Arabia.
Analytical biochemistry
|May 23, 2024
概括
这项研究介绍了一种新的电化学传感器,用于检测亚酸 (AA),这是氧化应激的关键生物标志物. 开发的CeO2·ZnO@BC/GCE传感器为生物样本中准确的AA量化提供了高灵敏度和选择性.
科学领域:
- 电化学 电化学 电化学
- 材料科学 材料科学 材料科学
- 生物医学传感传感器
背景情况:
- 亚酸 (AA) 是一种重要的抗氧化剂,也是氧化应激的生物标志物.
- 准确确定AA对于诊断相关健康状况至关重要.
- 现有的方法可能缺乏精确AA测量所需的灵敏度或选择性.
研究的目的:
- 开发一种灵敏和选择性的电化学传感器,用于精确测定甲酸 (AA).
- 利用一种新的纳米复合材料来增强传感能力.
- 在真实的生物样本中验证传感器的性能.
主要方法:
- 一个玻璃碳电极 (GCE) 的制造,该电极用一种新型的CeO2-合的ZnO修改,装饰在生物质衍生碳 (CeO2·ZnO@BC) 纳米复合材料上.
- 使用各种分析技术对CeO2·ZnO@BC纳米复合材料进行表征.
- 在中性酸缓冲溶液中量化酸 (AA) 的电化学分析.
主要成果:
- CeO2·ZnO@BC纳米复合材料表现出适合电化学传感的结构和形态特征.
- 开发的传感器表现出高灵敏度 (0.2267 μA μM−1cm−2) 和低检测极限 (0.022 μM) 的AA.
- 传感器在广泛的度范围 (0.51925μM) 上准确量化了AA,具有出色的可重复性,可重复性和稳定性.
结论:
- 新型的CeO2·ZnO@BC/GCE电化学传感器提供了一个高度敏感,选择性和强大的平台,用于准确的 Askorbic 酸确定.
- 这种传感器对于与氧化应激相关的疾病的临床诊断具有显著的潜力.
- 开发的纳米材料和传感器设计代表了电化学生物传感的有希望的进步.
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