Anchored Chitosan-Functionalized Magnetite Nanoparticles for Crystal Violet Decolorization from Aqueous Samples.

IF 1.6 4区 医学 Q4 BIOCHEMICAL RESEARCH METHODS Combinatorial chemistry & high throughput screening Pub Date : 2024-10-29 DOI:10.2174/0113862073350298241015071020
Mahsa Bandari, Mohsen Mohammadi Galangash, Shahab Shariati, Atefeh Ghavidast
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Abstract

Introduction: In this research, 3-(triethoxysilyl)propyl isocyanate (TESPIC) functionalized chitosan was successfully synthesized to fabricate silica-coated magnetite nanoparticles (Fe3O4@SiO2-CS MNPs).

Method: The synthesized MNPs were characterized using XRD, FT-IR, SEM, and TEM instruments and were utilized for the decolorization of Crystal Violet cationic dye (CV). The affecting variables controlling CV removal efficiency were investigated using the Taguchi fractional factorial design method (L16 array).

Result: Under the optimized removal conditions (adsorbent amount = 0.12 g (4.8 g L-1), pH = 4, ionic strength = 0.05 mol L-1 NaCl, and 30 min stirring), 98.2% of the CV dye was eliminated. The kinetic and equilibrium adsorption isotherms were explained by the pseudo-second-order kinetic (R2 = 0.999) and Freundlich isotherm models, respectively. MATLAB's fmincon function as an efficient solution was applied in order to compare the Redlich-Peterson three-parametric isotherm model with two-parametric models. Moreover, the Fe3O4@SiO2-CS-TESPIC MNPs showed recyclability and reusability for subsequent runs.

Conclusion: The findings confirmed that these functional MNPs can be considered as proper adsorbents for the removal of CV dye from the aqueous solutions.

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锚定壳聚糖功能化磁铁矿纳米粒子用于水样中水晶紫的脱色。
引言本研究成功合成了 3-(三乙氧基硅烷基)丙基异氰酸酯(TESPIC)功能化壳聚糖,用于制造硅包覆的磁铁矿纳米粒子(Fe3O4@SiO2-CS MNPs):利用 XRD、FT-IR、SEM 和 TEM 仪器对合成的 MNPs 进行了表征,并将其用于水晶紫阳离子染料(CV)的脱色。采用田口分数因子设计法(L16 阵列)研究了控制 CV 去除效率的影响变量:结果:在优化的去除条件下(吸附剂用量 = 0.12 g (4.8 g L-1),pH = 4,离子强度 = 0.05 mol L-1 NaCl,搅拌 30 分钟),98.2%的 CV 染料被去除。动力学吸附等温线和平衡吸附等温线分别由假二阶动力学模型(R2 = 0.999)和 Freundlich 等温线模型解释。为了比较 Redlich-Peterson 三参数等温线模型和二参数模型,使用了 MATLAB 的 fmincon 函数作为有效的解决方案。此外,Fe3O4@SiO2-CS-TESPIC MNPs 还具有可回收性和可重复使用性:研究结果证实,这些功能性 MNPs 可被视为从水溶液中去除 CV 染料的适当吸附剂。
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来源期刊
CiteScore
3.10
自引率
5.60%
发文量
327
审稿时长
7.5 months
期刊介绍: Combinatorial Chemistry & High Throughput Screening (CCHTS) publishes full length original research articles and reviews/mini-reviews dealing with various topics related to chemical biology (High Throughput Screening, Combinatorial Chemistry, Chemoinformatics, Laboratory Automation and Compound management) in advancing drug discovery research. Original research articles and reviews in the following areas are of special interest to the readers of this journal: Target identification and validation Assay design, development, miniaturization and comparison High throughput/high content/in silico screening and associated technologies Label-free detection technologies and applications Stem cell technologies Biomarkers ADMET/PK/PD methodologies and screening Probe discovery and development, hit to lead optimization Combinatorial chemistry (e.g. small molecules, peptide, nucleic acid or phage display libraries) Chemical library design and chemical diversity Chemo/bio-informatics, data mining Compound management Pharmacognosy Natural Products Research (Chemistry, Biology and Pharmacology of Natural Products) Natural Product Analytical Studies Bipharmaceutical studies of Natural products Drug repurposing Data management and statistical analysis Laboratory automation, robotics, microfluidics, signal detection technologies Current & Future Institutional Research Profile Technology transfer, legal and licensing issues Patents.
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