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微纤维化纤维素基色度传感器条带用于检测水中的铁总量
Jonatas de Oliveira S Silva1, Ana Vitória L Capistrano1, Kelcilene B R Teodoro2
1Institute of Chemistry, Federal University of Bahia (UFBA), 40170-280 Salvador, BA, Brazil.
International journal of biological macromolecules
|January 22, 2025
概括
我们开发了简单,低成本的基于纤维素的传感器条,用于检测水中的铁总量. 这些微纤维化纤维素 (MFC) 条带提供了一种可持续和有效的水质监测方法.
科学领域:
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
- 分析化学 分析化学
背景情况:
- 微纤维化纤维素 (MFC) 是一种可持续的生物质衍生材料,具有适用于化学传感器开发的特性.
- 现有的铁检测方法可能昂贵或复杂,需要更简单的替代方法.
研究的目的:
- 开发和评估具有成本效益的基于纤维素的传感器条,用于测量水中的铁总含量.
- 为了利用微纤维化纤维素功能化与1-(2-Thiazolylazo)-2-naphthol (TAN) 铁传感.
主要方法:
- 使用TAN功能化的MFC造膜的制造.
- 使用结构和形态技术对MFC@TAN条形进行表征.
- 通过数字图像色度测量来评估传感性能,以检测总体铁.
主要成果:
- MFC@TAN 条带实现了0.08 mg L-1 (蓝色通道,5 分钟) 和0.09 mg L-1 (红色通道,30 分钟) 的检测极限.
- 传感器准确地检测到自来水中的总铁在0.08-0.70毫克L-1范围内,与标准方法相比.
- 由于其多孔结构,MFC@TAN条纹在商业纸张上表现出更好的传感性能,这有助于染料固定和铁反应.
结论:
- 开发的基于纤维素的传感器条提供了一种简单,低成本和有效的方法来确定水中的铁总量.
- 这些MFC@TAN条带显示了日常环境水分析和质量监测的巨大潜力.
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