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基于Spirulina maxima藻类和石墨烯氧化物的新生物材料用于水和婴儿饮料中的微提取和确定
Estefanía B Ingrassia1, Emiliano F Fiorentini1, Rodolfo G Wuilloud2
1Environmental Biotechnology Laboratory (BioTA), Faculty of Exact and Natural Sciences, National University of Cuyo, Interdisciplinary Institute of Basic Sciences (ICB), UNCUYO-CONICET, Padre J. Contreras 1300, 5500, Mendoza, Argentina.
Analytical and bioanalytical chemistry
|July 2, 2023
概括
一种新的石墨烯氧化物和Spirulina maxima (GO@SM) 混合生物材料被开发用于 (Pb) 检测. 这种方法有效地从水和婴儿饮料中预先缩Pb,使用分散微固相提取 (D-μ-SPE).
科学领域:
- 环境科学 环境科学
- 分析化学 分析化学
- 材料科学 材料科学 材料科学
背景情况:
- 水和饮料中的 (Pb) 污染对健康构成重大风险,需要敏感和高效的检测方法.
- 开发先进的纳米材料对于改善环境监测和食品安全方面的分析技术至关重要.
研究的目的:
- 为了合成一种新的混合生物材料 (GO@SM),以提高预度.
- 建立一个分散型微固态相提取 (D-μ-SPE) 方法,用于在水和婴儿饮料中确定.
- 为了评估该方法的效率,灵敏度和绿色度.
主要方法:
- 一种石墨烯氧化物 (GO) 和螺旋最大 (SM) 混合生物材料 (GO@SM) 的合成.
- 在分散型微固态相提取 (D-μ-SPE) 技术中应用GO@SM材料,用于Pb(II) 预度.
- 在与dithizone复杂化后使用UV-Vis光谱测量检测Pb(II).
主要成果:
- 在优化实验参数后,获得了98%的提取效率.
- 该方法证明了1μg L-1的低检测极限和3.5%的相对标准偏差.
- 开发的D-μ-SPE方法已成功应用于确定婴儿饮料中的Pb (II).
结论:
- 混合生物材料GO@SM对的预度和确定有效.
- D-μ-SPE方法为分析复杂矩阵中的提供了一种敏感,高效和潜在的绿色方法.
- 评估了该方法的绿色性,使用AGREE计算器获得了0.62的得分.
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