在化品样本中使用分子印制石作为选择性固相提取吸收剂,用于在化品样本中测定酸
Adem Zengin1, Necdet Karakoyun2, Derya Çay Demir1
1Van Yüzüncü Yıl University, Faculty of Science, Department of Chemistry, 65080 Van,Turkey.
概括
一种新型的分子印制石 (MIP-PMC) 吸附剂,可以从化品中快速和选择性地提取酸 (KA) 的固体相提取 (SPE). 这种方法在真实样本中提供高灵敏度和准确度的KA确定.
科学领域:
- 分析化学 分析化学
- 材料科学 材料科学 材料科学
背景情况:
- 酸 (KA) 在化品中广泛用于皮肤亮化.
- 准确确定化品中的KA,对于质量控制和安全至关重要.
- 现有的KA分析方法可能缺乏选择性或需要复杂的样本准备.
研究的目的:
- 开发一种高度敏感和选择性的吸附剂,用于酸 (KA) 提取.
- 使用分子印制石 (MIP-PMC) 来从化品样本中提取KA的固体相提取 (SPE).
- 建立一种高效的分析方法,用于化品中KA的确定.
主要方法:
- 使用表面打印方法合成分子打印石 (MIP-PMC).
- MIP-PMC的特征是为了确认聚合物层的形成和特性.
- 使用MIP-PMC进行固体相提取 (SPE) 为KA分离进行了优化.
- 用紫外线可见 (UV-vis) 光谱法量化并通过HPLC进行验证.
主要成果:
- MIP-PMC表现出高吸附能力 (89.9 mg/g) 和快速吸附平衡 (30 分钟).
- 3.28的印记因子表明MIP-PMC对KA的显著选择性.
- 开发的方法显示出出色的线性 (0.04-400 mg/L),精度 (<5%) 和恢复 (98.0-100.4%).
- 获得了12.8μg/L的低检测极限 (LOD) 和4的预度因子.
结论:
- 量身定制的MIP-PMC是一种有效的吸附剂,用于选择性和快速的酸SPE.
- 集成的MIP-PMC SPE和UV-vis光谱光度法为化品中KA分析提供了高效的方法.
- 该方法为样本预处理和在真实化品样本中确定KA提供了灵敏,准确和可靠的解决方案.
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