一种基于 NH2-MWCNTS-CMC 和 ZIF-67 过氧化物酶样纳米复合材料的电化学传感器,用于灵敏检测木犀草素

IF 2.2 4区 化学 Q3 CHEMISTRY, MULTIDISCIPLINARY Journal of the Iranian Chemical Society Pub Date : 2024-10-23 DOI:10.1007/s13738-024-03122-7
Lin-Lin Ma, Ke-Xin Xu, Bao-Lin Xiao, Sanad Abdalbage Mohammed Abdalsadeg, Yu-Jie Chen, Yu-Ying Li, Jun Hong, Ali Akbar Moosavi-Movahedi
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引用次数: 0

摘要

木犀草素(Lut)是一种类黄酮化合物,具有抗氧化、抗炎和其他生物特性。木犀草素已被用于生物医学和食品安全等多个领域。因此,对芦丁进行定量测量具有重要意义。本研究开发了一种基于胺化多壁碳(NH2-MWCNTs)、羧甲基纤维素钠(CMC)、ZIF-67 和壳聚糖(Chi)的电化学传感器,用于测量路得。CMC 能更好地分散 NH2-MWCNTs,NH2-MWCNTs 与 ZIF-67 交联后,由于 ZIF-67 具有类似过氧化物的特性,进一步提高了电极对路特的响应和灵敏度。该电化学传感器对路得的检测限和线性范围分别为 2.1 nM 和 0.1-7 μM。蒲公英是一种含有路得成分的传统中药植物。制备的电化学传感器还用于分析蒲公英各部分的路得含量。结果表明,蒲公英花的络氨酸含量最高,叶的络氨酸含量适中,根的络氨酸含量几乎为零。这些结果与超高效液相色谱法得出的结果一致。该电化学传感器具有良好的稳定性和抗干扰能力,在药物浓度检测和筛选方面具有良好的潜在应用价值。 图文摘要
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An electrochemical sensor based on NH2-MWCNTS-CMC and ZIF-67 peroxidase-like nanocomposite for sensitive luteolin detection

Luteolin (Lut) is a flavonoid compound with antioxidant, anti-inflammatory and other biological properties. Lut has been used in many fields such as biomedicine and food safety. Therefore, the quantitative measurement of Lut is of great significance. In this study, an electrochemical sensor based on aminated multi-walled carbon (NH2-MWCNTs), sodium carboxymethylcellulose (CMC), ZIF-67 and chitosan (Chi) is developed for the measurement of Lut. NH2-MWCNTs are better dispersed by CMC, and NH2-MWCNTs are cross-linked with ZIF-67, which further improves the response and sensitivity of the electrode to the Lut due to the peroxide-like properties of ZIF-67. The detection limit and linear range of the electrochemical sensor for Lut are 2.1 nM and 0.1–7 μM, respectively. Dandelion is a traditional Chinese medicine plant containing Lut component. The prepared electrochemical sensor is also used to analysis Lut content in various parts of dandelion. The results show that the flowers part of dandelion exhibits the highest concentration of Lut; while, the leaves contain a moderate amount, and the roots are nearly devoid of Lut. These results are consistent with those obtained by ultra-high performance liquid chromatography. The electrochemical sensor has good stability and anti-interference ability, and has good potential application value in drug concentration detection and screening.

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来源期刊
CiteScore
4.40
自引率
8.30%
发文量
230
审稿时长
5.6 months
期刊介绍: JICS is an international journal covering general fields of chemistry. JICS welcomes high quality original papers in English dealing with experimental, theoretical and applied research related to all branches of chemistry. These include the fields of analytical, inorganic, organic and physical chemistry as well as the chemical biology area. Review articles discussing specific areas of chemistry of current chemical or biological importance are also published. JICS ensures visibility of your research results to a worldwide audience in science. You are kindly invited to submit your manuscript to the Editor-in-Chief or Regional Editor. All contributions in the form of original papers or short communications will be peer reviewed and published free of charge after acceptance.
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