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Multiwall carbon nanotubes

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Multiwall carbon nanotubes are cylindrical carbon structures composed of multiple concentric graphene layers. They exhibit exceptional mechanical, electrical, and thermal properties, making them suitable for a variety of research and industrial applications.

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Lab products found in correlation

Tetrahydrofuran, by Merck Group (2 mentions) Sulfuric acid, by Merck Group (2 mentions) Nitric acid, by Merck Group (2 mentions) Hydrochloric acid (hcl), by Merck Group (2 mentions) N n dimethylformamide (dmf), by Merck Group (2 mentions) Nickel nitrate hexahydrate, by Merck Group (1 mentions) Nitrofurantoin, by Merck Group (1 mentions) Iron nitrate nonahydrate, by Merck Group (1 mentions) Pbs ph 7, by Thermo Fisher Scientific (1 mentions) Iron 3 chloride, by Merck Group (1 mentions) Chitosan, by Merck Group (1 mentions) Cyclohexanone, by Merck Group (1 mentions) Valinomycin, by Merck Group (1 mentions) Moisture resistant 100 μm thick pet, by McMaster-Carr (1 mentions) Potassium ferricyanide 3, by Merck Group (1 mentions) Single walled carbon nanotubes, by Merck Group (1 mentions) Haucl4 3h2o, by Merck Group (1 mentions) Myricetin, by Merck Group (1 mentions) Methanol, by Merck Group (1 mentions) 2 propanol, by Merck Group (1 mentions)

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Carbon nanotubes (9 citations)

8 protocols using multiwall carbon nanotubes

1

Synthesis of Magnetic Nanocomposites

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Nickel nitrate hexahydrate (Ni(NO3)2·6H2O), iron nitrate nonahydrate (Fe(NO3)3·9H2O), Multiwall—Carbon Nanotubes (MWCNT), Nitrofurantoin (NFT), ethylene glycol (HOCH2CH2OH), disodium hydrogen phosphate (Na2HPO4), monosodium dihydrogen phosphate (NaH2PO4), ethanol, acetone are purchased from Sigma-Aldrich of analytical grade with a purity of ~ 99% and used as received. Different pH values for phosphate buffer solution were prepared by NaH2PO4·H2O and Na2HPO4·2H2O by dissolving in double-distilled water (ddH2O).
Hwa K.Y, & Sharma T.S. (2020). Nano assembly of NiFe spheres anchored on f-MWCNT for electrocatalytic reduction and sensing of nitrofurantoin in biological samples. Scientific Reports, 10, 12256.
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2

Selective Ion-Sensing Electrochemical Sensor

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Selectophore grade sodium ionophore X, bis(2-ethylehexyl) sebacate (DOS), sodium tetrakis[3,5-bis(trifluoromethyl)phenyl] borate (Na-TFPB), high-molecular-weight polyvinyl chloride (PVC), tetrahydrofuran, valinomycin (potassium ionophore), sodium tetraphenylborate (NaTPB), cyclohexanone, polyvinyl butyral resin BUTVAR B-98 (PVB), sodium chloride (NaCl), 3,4-ethylenedioxythiophene (EDOT), poly(sodium 4-styrenesulfonate) (NaPSS), glucose oxidase (from Aspergillus niger), chitosan, single-walled carbon nanotubes, iron (III) chloride, potassium ferricyanide (III), multiwall carbon nanotubes and block polymer PEO-PPO-PEO (F127) were obtained from Sigma Aldrich. L-lactate oxidase (>80 activity units per milligram) was procured from Toyobo Corp. and PBS (pH 7.2) was obtained from Life Technologies. Moisture-resistant 100-μm-thick PET was purchased from McMaster-Carr.
Gao W., Emaminejad S., Nyein H.Y., Challa S., Chen K., Peck A., Fahad H.M., Ota H., Shiraki H., Kiriya D., Lien D.H., Brooks G.A., Davis R.W, & Javey A. (2016). Fully integrated wearable sensor arrays for multiplexed in situ perspiration analysis. Nature, 529(7587), 509-514.
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3

Myricetin and Carbon Nanotubes Spectroelectrochemical Analysis

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Myricetin was purchased from Sigma-Aldrich Co. and used as received. Stock solution of Myricetin (1.0×10−3 mol L−1) was prepared in ethanol as solvent and diluted with 0.1 M phosphate medium (pH 3.5) before use. Multi-wall carbon nanotubes (diameter: 10–20 nm, length: 1–2 µm, purity >95%) were obtained from Sigma-Aldrich Co. Gold nanoparticles with average diameters of ∼13 and ∼40 nm were prepared by the reduction of HAuCl4.3H2O (Merck) with sodium citrate. Other chemicals were analytical grade and used without further purification in double-distilled water.
Hajian R., Yusof N.A., Faragi T, & Shams N. (2014). Fabrication of an Electrochemical Sensor Based on Gold Nanoparticles/Carbon Nanotubes as Nanocomposite Materials: Determination of Myricetin in Some Drinks. PLoS ONE, 9(5), e96686.
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4

Synthesis of Functional Polymer Materials

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NiCl2, CuCl2, NaBH4, aminoborane aryl azides, acetonitrile (ACN), lithium perchlorate (LiClO4), 3,4-ethylene dioxythiophene (EDOT), multiwall carbon nanotubes, NN –Dimethylformamide (DMF), sulfuric acid, hydrochloric acid, and nitric acid were purchased from Sigma-Aldrich. Tetrahydrofuran (THF; 99.5%), HClO4 (60%), 2-propanol, and Methanol (≥ 99.5%) were obtained from Merck. All test materials and other components were cleaned with distilled water. The pure water used was supplied by the Millipore water distillation system.
Zengin N., Burhan H., Şavk A., Göksu H, & Şen F. (2020). Synthesis of benzylidenemalononitrile by Knoevenagel condensation through monodisperse carbon nanotube-based NiCu nanohybrids. Scientific Reports, 10, 12758.
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5

Synthesis of CNT@TiO2 Nanocomposites

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To prepare CNT and TiO2 nanocomposites (CNT@TiO2), multiwall carbon nanotubes purchased from Sigma Aldrich were immersed in a solution of nitric acid and sulfuric acid at room temperature for 12 hours. TiO2 was synthesized on the acid-treated CNTs using a solution-based layer-by-layer coating method presented in Fig. S1.† 2 mL of titanium tetra isopropoxide (TTIP) were dissolved in 40 mL of isopropyl alcohol (IPA). Then, 40 mg of the acid-treated CNTs were added to the solution and sonicated for 30 min. The prepared mixture was kept at 80 °C for 2 hours for the adsorption of TTIP on the acid-treated CNTs and filtered. The collected powder was washed with ethanol. Then, DI water was dropped onto the powder for hydrolysis of TTIP adsorbed on CNT. The products were collected and dried in a convection oven at 60 °C for 3 hours. The adsorption and hydrolysis processes were alternately repeated 2, 4, 6 and 8 times to obtain corresponding number of TiO2 layers on CNT. Then, the products were heated at 350 °C in air for 2 hours for calcination.
Kim E.J., Kim K.H., Bak J., Lee K, & Cho E. (2022). Carbon nanotube–titanium dioxide nanocomposite support for improved activity and stability of an iridium catalyst toward the oxygen evolution reaction. RSC Advances, 12(55), 35943-35949.
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6

Functionalized Carbon Nanotubes for Mercury Remediation

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Multi-wall carbon nanotubes with specifications of D×L 6-9 nm × 5 µm ˃95% (carbon), TBAB, Gly, sulfuric acid (95%-97%), nitric acid (65%), potassium permanganate, sodium hydroxide pellets, and hydrochloric acid (36.5-38%) were all supplied by SIGMA-ALDRICH.
A 1,000 mg/L mercury standard solution was supplied by MERCK.
AlOmar M.K., Alsaadi M.A., Jassam T.M., Akib S, & Ali Hashim M. (2017). Novel deep eutectic solvent-functionalized carbon nanotubes adsorbent for mercury removal from water. Journal of colloid and interface science, 497.
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7

Fabrication of Polymer-Nanotube Composites

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Polyvinylpyrrolidone (PVP; Mw 1,300,000, MW 30,000), Polyacrylic acid (PAA, Mw 450,000,), Multi Wall Carbon Nanotubes (MWCNT), S(-)-limonene (S-lim, 96%), α-Pinene (α-Pin, 98%), Linalool (Lin, 97%), Toluene (Tol, anhydrous, 99.8%), Hyaluronic Acid Sodium Salt from Streptococcus equi (HyA, Mw 750,000-1,000,000), Absolute Ethanol (EtOH, 99.8%), and N-N-Dimethylformamide (DMF, 99.8%) were reagent grade purchased by Merck KGaA (Darmstadt, Germany) and used without further purification.
Macagnano A., Molinari F.N., Papa P., Mancini T., Lupi S., D'Arco A., Taddei A.R., Serrecchia S, & De Cesare F. (2024). Nanofibrous Conductive Sensor for Limonene: One-Step Synthesis via Electrospinning and Molecular Imprinting. Nanomaterials (Basel, Switzerland), 14(13).
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8

Synthesis of Vanadium-Doped Zinc Oxide Nanocomposites

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Zinc nitrate (Zn (NO3)2.4H2O, 99%), Vanadium pentoxide (V2O5), and Multiwall carbon nanotubes (MWCNT, >98%) were purchased from Merck Company. Hydrogen peroxide (H2O2), sodium hydroxide (NaOH Pellets), and ethanol were supplied by Loba Chemie. All of the chemicals were used as received without further purifications.
Alharthi F.A., Ababtain A.S., Alanazi H.S., Alshayiqi A.A, & Hasan I. (2023). Zinc Vanadate (Zn3V2O8) Immobilized Multiwall Carbon Nanotube (MWCNT) Heterojunction as an Efficient Photocatalyst for Visible Light Driven Hydrogen Production. Molecules, 28(3), 1362.
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