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Journal articles on the topic 'MMWCNTS'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Nica, Simona Luminita, Mirela-Fernanda Zaltariov, Daniela Pamfil, et al. "MWCNTs Composites-Based on New Chemically Modified Polysulfone Matrix for Biomedical Applications." Nanomaterials 12, no. 9 (2022): 1502. http://dx.doi.org/10.3390/nano12091502.

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Polyvinyl alcohol (PVA) is a non-toxic biosynthetic polymer. Due to the hydrophilic properties of the PVA, its utilization is an easy tool to modify the properties of materials inducing increased hydrophilicity, which can be noticed in the surface properties of the materials, such as wettability. Based on this motivation, we proposed to obtain high-performance composite materials by a facile synthetic method that involves the cross-linking process of polyvinyl alcohol (PVA) with and aldehyde-functionalized polysulfone(mPSF) precursor, prior to incorporation of modified MWCNTs with hydrophilic

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2

Alimohammadi, Vahid, Mehdi Sedighi, and Ehsan Jabbari. "Optimization of sulfate removal from wastewater using magnetic multi-walled carbon nanotubes by response surface methodology." Water Science and Technology 76, no. 10 (2017): 2593–602. http://dx.doi.org/10.2166/wst.2017.424.

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Abstract This paper reports a facile method for removal of sulfate from wastewater by magnetic multi-walled carbon nanotubes (MMWCNTs). Multi-walled carbon nanotubes and MMWCNTs were characterized by X-ray diffraction, Raman, transmission electron microscopy, Fourier transform infrared spectroscopy, and vibrating sample magnetometry. The results of the analysis indicated that MMWCNTs were synthesized successfully. The MMWCNTs can be easily manipulated in a magnetic field for the desired separation, leading to the removal of sulfate from wastewater. Response surface methodology (RSM) coupled wi

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3

He, Huan, Deli Xiao, Jia He, et al. "Preparation of a core–shell magnetic ion-imprinted polymer via a sol–gel process for selective extraction of Cu(ii) from herbal medicines." Analyst 139, no. 10 (2014): 2459–66. http://dx.doi.org/10.1039/c3an02096g.

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A magnetic surface ion-imprinted polymer (c-MMWCNTs-SiO<sub>2</sub>-IIP) was synthesized using c-MMWCNTs as the core, 3-ammonium propyltriethoxysilane (APTES) as the functional monomer, tetraethylorthosilicate (TEOS) as the cross-linker and Cu(ii) as the template.

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4

Konicki, Wojciech, Iwona Pełech, and Ewa Mijowska. "Removal of Ni2+ from Aqueous Solutions by Adsorption Onto Magnetic Multiwalled Carbon Nanotube Nanocomposite." Polish Journal of Chemical Technology 16, no. 2 (2014): 87–94. http://dx.doi.org/10.2478/pjct-2014-0036.

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Abstract The removal of Ni2+ from aqueous solution by magnetic multiwalled carbon nanotube nanocomposite (MMWCNTs-C) was investigated. MMWCNTs-C was characterized by X-ray Diffraction method (XRD), High-Resolution Transmission Electron Microscopy (HRTEM), surface area (BET), and Fourier Transform-Infrared Spectroscopy (FTIR). The effects of initial concentration, contact time, solution pH, and temperature on the Ni2+ adsorption onto MMWCNTs-C were studied. The Langmuir and Freundlich isotherm models were applied to fit the adsorption data. The results showed that the adsorption isotherm data w

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5

Chuan Chuan Lim, Qi Hwa Ng, Siew Hoong Shuit, Siti Kartini Enche Ab Rahim, Peng Yong Hoo, and Sigit Tri Wicaksono. "Facile Synthesis of Magnetophoretic Augmented Adsorbent for Water Remediation." International Journal of Nanoelectronics and Materials (IJNeaM) 17, no. 3 (2024): 395–401. http://dx.doi.org/10.58915/ijneam.v17i3.1133.

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In this new era of globalization, magnetic adsorbents have gained vast attention from researchers in wastewater treatment applications. In this study, sulphonated magnetic multi-walled carbon nanotubes (S-MMWCNTs) were used to remove methylene blue (MB) from an aqueous solution. The S-MMWCNTs are characterized by various analytical methods to investigate their adsorbent features. Adsorption behaviours of the as-prepared composites affected by solution pH and contact time were systematically studied and discussed. The adsorption kinetic data fit the pseudo-second-order kinetic model well. Moreo

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6

Rahmani, Zahra, and Mohammad Taghi Samadi. "Preparation of Magnetic Multi-Walled Carbon Nanotubes to Adsorb Sodium Dodecyl Sulfate (SDS)." Avicenna Journal of Environmental Health Engineering 4, no. 1 (2017): 61902. http://dx.doi.org/10.5812/ajehe.61902.

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Surfactants are one of the main groups of pollutants released into aqueous solutions due to human activities and their harmful effects have been proven on human. In this study, first, magnetic multi-walled carbon nanotubes (MMWCNTs) were synthesized and then, the effects of operating parameters such as surfactant concentration, adsorbent dosage, and pH values were analyzed on the adsorption process. MMWCNTs were characterized by means of X-ray diffraction (XRD) analysis and fourier transform infrared spectroscopy (FTIR). The optimal adsorption conditions were achieved at initial pH = 4.6, adso

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7

Abdulmalek, Saadiah A., Kai Li, Jianhua Wang, Michael Kidane Ghide, and Yunjun Yan. "Co-Immobilization of Rhizopus oryzae and Candida rugosa Lipases onto mMWCNTs@4-arm-PEG-NH2—A Novel Magnetic Nanotube–Polyethylene Glycol Amine Composite—And Its Applications for Biodiesel Production." International Journal of Molecular Sciences 22, no. 21 (2021): 11956. http://dx.doi.org/10.3390/ijms222111956.

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This article describes the successful synthesis of a novel nanocomposite of superparamagnetic multi-walled nanotubes with a four-arm polyethylene glycol amine polymer (mMWCNTs@4-arm-PEG-NH2). This composite was then employed as a support for the covalent co-immobilization of Rhizopus oryzae and Candida rugosa lipases under appropriate conditions. The co-immobilized lipases (CIL-mMWCNTs@4-arm-PEG-NH2) exhibited maximum specific activity of 99.626U/mg protein, which was 34.5-fold superior to that of free ROL, and its thermal stability was greatly improved. Most significantly, CIL-mMWCNTs@4-arm-P

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8

Song, Guobin, Yawei Shi, Haonan Wang, et al. "Effective sorptive removal of five cationic dyes from aqueous solutions by using magnetic multi-walled carbon nanotubes." Water Science and Technology 85, no. 7 (2022): 1999–2014. http://dx.doi.org/10.2166/wst.2022.090.

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Abstract The excellent properties of micro-nano materials and structures have attracted extensive attention especially in wastewater treatment. Based on this, magnetic multi-walled carbon nanotubes (MMWCNTs) have been prepared and used for the sorptive removal of five typical cationic dyes from aqueous solutions in the present study. Effects of several operational and environmental factors were investigated carefully, including initial pH values, common ions, contact time and temperature. The kinetics processes were well fitted by the pseudo-second-order kinetic model. The maximum adsorption c

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9

Rafiee-Pour, Hossain-Ali, Mahboubeh Nejadhosseinian, Masoumeh Firouzi, and Saeed Masoum. "Catalase immobilization onto magnetic multi-walled carbon nanotubes: optimization of crucial parameters using response surface methodology." New Journal of Chemistry 43, no. 2 (2019): 593–600. http://dx.doi.org/10.1039/c8nj03517b.

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In this study catalase (CAT) immobilization onto magnetic multi-walled carbon nanotubes (mMWCNTs) was undertaken and response surface methodology (RSM) employed to determine the optimum immobilization conditions.

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10

Rezaei Kahkha, Mohammad Reza, Ali Faghihi Zarandi, Nahid Shafighi, Saeedeh Kosari, and Batool Rezaei Kahkha. "Magnetic bentonite nanocomposite for removal of amoxicillin from wastewater samples using response surface methodology before determination by high performance liquid chromatography." Analytical Methods in Environmental Chemistry Journal 3, no. 03 (2020): 25–31. http://dx.doi.org/10.24200/amecj.v3.i03.108.

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Antibiotics and pharmaceutical products cannot remove by conventional sewage treatment. In this work, an effective adsorbent Magnetic Multiwalled Carbon nanotube (MMWCNTs) was synthesized by co-precipitation of MWCNTs with Fe3O4 and used for removal of Amoxicillin from aqueous solutions. Response surface methodology on Central Composition Design (CCD) was applied for designing of experiments and building of models. Four factors including pH, adsorbent dose, time, and temperature were studied and used for the quadratic equation model to the prediction of optimal points. By solvent the equation

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11

Davoud, Balarak, Kord Mostafapour Ferdos, and Joghtaei Ali. "Thermodynamic Analysis for Adsorption of Amoxicillin onto Magnetic Carbon Nanotubes." British Journal of Pharmaceutical Research 16, no. 6 (2017): 1–11. https://doi.org/10.9734/BJPR/2017/33212.

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The effect of temperature on the equilibrium adsorption of Amoxicillin (AMO) from aqueous solution using modified magnetic multi-walled carbon nanotubes (MMWCNT<sub>S</sub>) was investigated. The equilibrium adsorption data were analyzed using three widely applied isotherms: Langmuir, Freundlich and Tempkin. The results revealed that Langmuir isotherm fit the experimental results well. Kinetic analyses were conducted using pseudo-first and second-order models and the intraparticle diffusion model. The regression results showed that the adsorption kinetics were more accurately represented by ps

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12

Hussain, Mushtaq, Syed Sulaiman Hussaini, Mohammad Shariq, et al. "Enhancing Cu2+ Ion Removal: An Innovative Approach Utilizing Modified Frankincense Gum Combined with Multiwalled Carbon Tubes and Iron Oxide Nanoparticles as Adsorbent." Molecules 28, no. 11 (2023): 4494. http://dx.doi.org/10.3390/molecules28114494.

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Aquatic pollution, which includes organic debris and heavy metals, is a severe issue for living things. Copper pollution is hazardous to people, and there is a need to develop effective methods for eliminating it from the environment. To address this issue, a novel adsorbent composed of frankincense-modified multi-walled carbon nanotubes (Fr-MMWCNTs) and Fe3O4 [Fr-MWCNT-Fe3O4] was created and subjected to characterization. Batch adsorption tests showed that Fr-MWCNT-Fe3O4 had a maximum adsorption capacity of 250 mg/g at 308 K and could efficiently remove Cu2+ ions over a pH range of 6 to 8. Th

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13

Zhao, Weigao, Chenjie Hao, Yiping Guo, Wanfei Shao, Yimei Tian, and Peng Zhao. "Optimization of Adsorption Conditions Using Response Surface Methodology for Tetracycline Removal by MnFe2O4/Multi-Wall Carbon Nanotubes." Water 15, no. 13 (2023): 2392. http://dx.doi.org/10.3390/w15132392.

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In this study, the optimal conditions and effects of external factors on tetracycline adsorption by magnetic multi-walled carbon nanotubes (MMWCNTs) were established by a response surface methodology for the first time. Batch adsorption experiments showed that increasing the dosage and contact time effectively promoted the adsorption of tetracycline and maximum removal of 97.93–99.13% was achieved at pH 3–7. The pseudo-second-order model and Fourier-transform infrared spectroscopy spectra indicated that the mechanism of adsorption may be π–π electron interaction and cation–π electron bonding.

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14

Cao, Huimin, Peng Zhang, Weili Jia, Cuiping Wang, and Baoshan Xing. "Adsorption of phenanthrene onto magnetic multi-walled carbon nanotubes (MMWCNTs) influenced by various fractions of humic acid from a single soil." Chemosphere 277 (August 2021): 130259. http://dx.doi.org/10.1016/j.chemosphere.2021.130259.

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15

Adibian, Fatemeh, Ali Reza Pourali, Behrooz Maleki, Mehdi Baghayeri, and Amirhassan Amiri. "One‐pot synthesis of dihydro-1H-indeno[1,2-b] pyridines and tetrahydrobenzo[b] pyran derivatives using a new and efficient nanocomposite catalyst based on N‐butylsulfonate‐functionalized MMWCNTs-D-NH2." Polyhedron 175 (January 2020): 114179. http://dx.doi.org/10.1016/j.poly.2019.114179.

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16

Daneshvar Tarigh, Ghazale, Farzaneh Shemirani, and Nezam Seif Maz'hari. "Fabrication of a reusable magnetic multi-walled carbon nanotube–TiO2 nanocomposite by electrostatic adsorption: enhanced photodegradation of malachite green." RSC Advances 5, no. 44 (2015): 35070–79. http://dx.doi.org/10.1039/c4ra15593a.

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A simple, quick and efficient method for the fabrication of a magnetic multi-walled carbon nanotube–TiO<sub>2</sub> (MMWCNT–TiO<sub>2</sub>) nanocomposite through electrostatic attraction was proposed as a novel method.

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17

Lin, Shuai, Changjun Zou, Yixuan Cao, Hao Liang та Bingqian Li. "One-pot synthesis of β-cyclodextrin magnetic carbon nanotube (β-CD@MMWCNT) for effective removal of phenol from oily wastewater". Journal of Environmental Chemical Engineering 9, № 6 (2021): 106494. http://dx.doi.org/10.1016/j.jece.2021.106494.

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18

Chai, Xin, Fan Fei, Wentong Lu, Peilong Zhou, Danzhen Duojie, and Jincheng Wang. "A self-healing flexible sensor based on silicone rubber with synergistic effect of coordination and hydrogen bonds." Plastics, Rubber and Composites: Macromolecular Engineering, March 20, 2025. https://doi.org/10.1177/14658011251326163.

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With the development of society, silicone rubber-based flexible sensors are frequently used in our daily life, such as monitoring people's physical health, tracking movement and activities, and improving rehabilitation processes. However, high-frequency use can also compromise the material structure and even impair the service life of the product. In this study, a novel type of self-healing flexible sensing material, PBDMS/PDMS/mMWCNTs, was prepared by first preparing polyborosiloxane (PBDMS) with boric acid and hydroxyl silicone oil, and then mixing it with 107 room temperature curing silicon

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19

Behboudi Laeen, Mahdi, and Ali Reza Pourali. "Efficient synthesis of isoxazole-5(4H)-ones and polyhydroquinolines using MMWCNTs-PIP and MMWCNTs-MOR." Research on Chemical Intermediates, March 29, 2025. https://doi.org/10.1007/s11164-025-05565-w.

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20

Shokoohi, Reza, Abdollah Dargahi, Roya Azami Gilan, Hasan Zolghadr Nasab, Dariush Zeynalzadeh, and Mohammad Molla Mahmoudi. "Magnetic Multi-walled Carbon Nanotube as Effective Adsorbent for Ciprofloxacin (CIP) Removal from Aqueous Solutions: Isotherm and Kinetics Studies." International Journal of Chemical Reactor Engineering 18, no. 2 (2019). http://dx.doi.org/10.1515/ijcre-2019-0130.

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Abstract Nowadays, the presence of antibiotics in the environment has been identified as an important concern for the various life cycle. Thus, this study was conducted to evaluate ciprofloxacin (CIP) adsorption efficiency onto the multi-walled carbon nanotube (MWCNTs) and magnetic multi-walled carbon nanotube (MMWCNTs). In this experimental study, the characteristics of the studied adsorbents were determined using SEM, FTIR and XRD methods. The effects of operational parameters including contact time (10–120 min), initial concentration of CIP (10–100 mg/L), adsorbent dosage (0.1–1 g/L) and pH

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21

Cheng, Weiwei, Bokai Yu, Yadan Zheng, et al. "Chemical enrichment of conjugated linoleic acid in cottonseed oil using ruthenium nanoparticle immobilized on chemically modified multiwalled carbon nanotube as heterogeneous nanocatalyst." Journal of the American Oil Chemists' Society, November 14, 2023. http://dx.doi.org/10.1002/aocs.12785.

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AbstractConjugated linoleic acid (CLA) has a variety of health‐promoting biological activities, and thus has a great potential as dietary supplement in functional foods. In our work, the effects of surface modifications of multiwalled carbon nanotubes (MWCNTs) support on the catalytic efficiency and selectivity of supported Ru catalysts for linoleic acid (LA) to CLA, as well as their influence mechanisms were well investigated. The results showed that the CLA yields for Ru/MWCNTs‐OH (36.45%) and Ru/MWCNTs‐COOH (31.06%) were significantly higher than that for Ru/MWCNTs (23.94%). This indicated

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22

Moon, Heesung, Jiwon Park, Jinwoo Hwang, and Heesun Chung. "Magnetic Solid-Phase Extraction of Drugs and Pesticides from Human Plasma using COOH-mMWCNTs." Journal of Analytical Toxicology, May 5, 2020. http://dx.doi.org/10.1093/jat/bkaa029.

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Abstract Carbon nanotubes (CNT) are useful for extracting chemical compounds due to their properties, such as surface area and the potential for chemical modification. Especially the formation of carbon nanotubes with carboxylic acid functional group makes them disperse in water-based samples and have strong interaction forces with cationizable analytes. Based on these features, carboxylic acid functionalized multi-walled carbon nanotubes (COOH-MWCNTs) have been used as extraction sorbents. CNT also can be gathered using an external magnet by forming complex with iron oxide (Fe3O4) magnetic na

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23

Ma, Hailin, Kai Yu, Hao Wang, et al. "Fabrication and Detection of a Novel Hybrid Conductive Scaffold based on Alginate/Gelatin/Carboxylated Carbon Nanotubes (Alg/Gel/mMWCNTs) for Neural Tissue Engineering." Tissue and Cell, December 2022, 101995. http://dx.doi.org/10.1016/j.tice.2022.101995.

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24

Zhao, Ning, Yuwei Bian, Xinyi Dong, Xun Gao, and Longshan Zhao. "Magnetic solid-phase extraction based on multi-walled carbon nanotubes combined ferroferric oxide nanoparticles for the determination of five heavy metal ions in water samples by inductively coupled plasma mass spectrometry." Water Science and Technology, August 16, 2021. http://dx.doi.org/10.2166/wst.2021.321.

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Abstract An excellent magnetic multi-walled carbon nanotubes (MMWCNT) containing carboxyl material modified with ferroferric oxide (Fe3O4) nanoparticles was synthesized as the adsorbent for magnetic solid-phase extraction (MSPE) of five heavy metal ions (Pb2+, Cu2+, Co2+, Cd2+, Cr4+) in water samples followed by on-line inductively coupled plasma mass spectrometry (ICP-MS) detection. The characteristics of the adsorbent were analyzed using Fourier transform infrared spectroscopy (FT-IR), scanning electron microscope (SEM), and vibrating sample magnetometer (VSM). Some factors affecting extract

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