One-pot quick preparation of a magnetic nanocomposite based on aminated/fluorinated carbon nanotubes for the efficient capture of fluoroquinolones in aqueous samples

IF 5.2 2区化学 Q2 CHEMISTRY, PHYSICAL

Journal of Molecular Liquids Pub Date : 2025-09-25 DOI:10.1016/j.molliq.2025.128577

Shuhua Wang , Caili Fu , Zian Lin , Yuangen Lin , Yiqing Xu , Zhigang Gao , Fang Zhang , Ling Fang , Xiaojing Li , Jianwei Fu

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Abstract

In this study, a new task-specific magnetic nanocomposite (MNC) using aminated carbon nanotubes and fluorinated carbon nanotubes as dual functional monomers was expeditiously fabricated via one-pot hydrothermal technology. The MNC was assessed for the efficiency of fluoroquinolone (FQ) extraction. When paired with magnetic solid-phase extraction (MSPE), the MNCs showed outstanding performance in efficiently seizing FQs via multiple interactions, such as dipole-dipole forces, fluorous interactions, and hydrogen bonding. The developed MNC/MSPE technique was used for the detection of trace FQs in various aqueous samples, the detection limits varied from 0.18 ng/L to 0.61 ng/L, and the relative standard deviations (RSDs) were in the range of 2.5–9.7 %. In addition, the recoveries with different spiked contents were in the range of 82.3–112 %. Compared with existing methods for the measurement of FQs, the current approach has several advantages, such as quickness and greenness in the preparation of adsorbents, high sensitivity, and satisfactory cost-effectiveness.

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一锅快速制备基于胺化/氟化碳纳米管的磁性纳米复合材料，用于有效捕获水样品中的氟喹诺酮类药物

本研究采用一锅水热技术，以胺化碳纳米管和氟化碳纳米管为双功能单体，快速制备了一种新的任务特异性磁性纳米复合材料。评价了MNC提取氟喹诺酮（FQ）的效率。当与磁固相萃取（MSPE）配对时，MNCs在通过多种相互作用（如偶极-偶极力、氟相互作用和氢键）有效捕获FQs方面表现出出色的性能。建立的MNC/MSPE技术可用于各种水溶液中痕量FQs的检测，检出限为0.18 ~ 0.61 ng/L，相对标准偏差（rsd）为2.5 ~ 9.7%。不同加标量加标回收率在82.3% ~ 112%之间。与现有的FQs测量方法相比，该方法具有制备吸附剂快速、绿色、灵敏度高、成本效益好等优点。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Molecular Liquids 化学-物理：原子、分子和化学物理

CiteScore

10.30

自引率

16.70%

发文量

2597

审稿时长

78 days

期刊介绍： The journal includes papers in the following areas: – Simple organic liquids and mixtures – Ionic liquids – Surfactant solutions (including micelles and vesicles) and liquid interfaces – Colloidal solutions and nanoparticles – Thermotropic and lyotropic liquid crystals – Ferrofluids – Water, aqueous solutions and other hydrogen-bonded liquids – Lubricants, polymer solutions and melts – Molten metals and salts – Phase transitions and critical phenomena in liquids and confined fluids – Self assembly in complex liquids.– Biomolecules in solution The emphasis is on the molecular (or microscopic) understanding of particular liquids or liquid systems, especially concerning structure, dynamics and intermolecular forces. The experimental techniques used may include: – Conventional spectroscopy (mid-IR and far-IR, Raman, NMR, etc.) – Non-linear optics and time resolved spectroscopy (psec, fsec, asec, ISRS, etc.) – Light scattering (Rayleigh, Brillouin, PCS, etc.) – Dielectric relaxation – X-ray and neutron scattering and diffraction. Experimental studies, computer simulations (MD or MC) and analytical theory will be considered for publication; papers just reporting experimental results that do not contribute to the understanding of the fundamentals of molecular and ionic liquids will not be accepted. Only papers of a non-routine nature and advancing the field will be considered for publication.