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首页> 外文期刊>RSC Advances >Magnetic alginate-Fe3O4 hydrogel fiber capable of ciprofloxacin hydrochloride adsorption/separation in aqueous solution
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Magnetic alginate-Fe3O4 hydrogel fiber capable of ciprofloxacin hydrochloride adsorption/separation in aqueous solution

机译：能够在水溶液中吸附/分离盐酸环丙沙​​星的磁性藻酸盐-Fe3O4水凝胶纤维

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This work reports the successful preparation of magnetic alginate-Fe3O4 hydrogel fibers using a simple laboratory micropipette, employing the basic principle of the wet spinning technique without using any sophisticated instruments. The magnetic Fe3O4 nanoparticles used in this study were synthesized using a conventional co-precipitation method. The systematic characterisation of the magnetic alginate-Fe3O4 hydrogel fibers was done using FT-IR spectroscopy, XRD and SEM. The prepared magnetic alginate-Fe3O4 hydrogel fibers showed ferromagnetic behaviour when studied with the help of a vibrating sample magnetometer and can be easily separated using a strong magnet. Thermogravimetric analysis (TGA) and tensile strength measurements reported an improvement in the thermostability and mechanical properties of the prepared magnetic alginate-Fe3O4 hydrogel fibers when compared to the blank alginate hydrogel fibers. All of these property enhancements in the alginate-Fe3O4 hydrogel fibers are suggestive of good compatibility and effective interactions between the alginate polymer matrix and Fe3O4 nanoparticles. Also, the magnetic alginate-Fe3O4 hydrogel fibers were interestingly found to be very effective in the adsorption of the antibiotic ciprofloxacin hydrochloride, while the blank alginate hydrogel fiber did not show any significant adsorption. Therefore, such magnetic alginate-Fe3O4 hydrogel fibers can work as a simple and cost-effective probe for the successful adsorption/separation of antibiotics, with the additional advantages of being easy to fabricate and having high thermal stability and mechanical strength.
机译：这项工作报告了使用简单的实验室微量移液器成功地制备了藻酸盐磁性Fe3O4水凝胶纤维，采用了湿纺技术的基本原理，而无需使用任何复杂的仪器。使用常规的共沉淀法合成了本研究中使用的磁性Fe3O4纳米粒子。使用FT-IR光谱，XRD和SEM对磁性藻酸盐-Fe3O4水凝胶纤维进行了系统表征。当借助振动样品磁力计进行研究时，制得的藻酸盐磁性Fe3O4水凝胶纤维表现出铁磁性能，并且可以使用强磁体轻松分离。热重分析（TGA）和拉伸强度测量结果表明，与空白藻酸盐水凝胶纤维相比，制备的磁性藻酸盐-Fe 3 O 4水凝胶纤维的热稳定性和机械性能有所改善。藻酸盐-Fe 3 O 4水凝胶纤维的所有这些性能增强表明藻酸盐聚合物基质和Fe 3 O 4纳米颗粒之间具有良好的相容性和有效的相互作用。同样，有趣的是，发现藻酸盐磁性Fe 3 O 4水凝胶纤维对抗生素环丙沙星盐酸盐的吸附非常有效，而空白藻酸盐水凝胶纤维没有显示任何明显的吸附。因此，这种磁性藻酸盐-Fe 3 O 4水凝胶纤维可以用作成功地吸附/分离抗生素的简单且具有成本效益的探针，其另外的优点是易于制造并且具有高的热稳定性和机械强度。

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