Cobalt (II) nitrate hexahydrate, copper (II) acetate monohydrate, N, N-dimethylformamide (DMF), ethanol, and nitric acid (65%) were purchased from Merck. Moreover, sodium sulfide hydrate (60.0–62.0%) was obtained from Samchun Chemicals while PAN was supplied from Sigma-Aldrich. Mueller–Hinton agar was purchased from the IBRESCO meanwhile E. coli ATCC 25922 and S. aureus ATCC 25923 obtained from Darvash Co. were employed to investigate the antibacterial characteristics.
N dimethylformamide
Manufactured by Merck Group
Sourced in United States, Germany, Sao Tome and Principe
N-dimethylformamide is a colorless, viscous liquid that is widely used as a solvent in various industrial and laboratory applications. It has a high boiling point and is miscible with a wide range of organic solvents. N-dimethylformamide is a commonly used solvent for applications that require a polar aprotic solvent.
Automatically generated - may contain errors
Lab products found in correlation
Dichloromethane, by Merck Group (10 mentions)
Ethanol, by Merck Group (8 mentions)
Dimethyl sulfoxide (dmso), by Merck Group (8 mentions)
Sodium hydroxide (naoh), by Merck Group (7 mentions)
Anhydrous n, by Merck Group (7 mentions)
Terephthalic acid, by Merck Group (6 mentions)
Methanol, by Merck Group (6 mentions)
Acetonitrile, by Merck Group (6 mentions)
Chloroform, by Merck Group (5 mentions)
Sodium chloride (nacl), by Merck Group (5 mentions)
Trifluoroacetic acid, by Merck Group (5 mentions)
Triethylamine, by Merck Group (5 mentions)
Nitric acid, by Merck Group (4 mentions)
Acetic acid, by Merck Group (4 mentions)
Toluene, by Merck Group (4 mentions)
Isopropanol, by Merck Group (4 mentions)
Hydrochloric acid (hcl), by Merck Group (4 mentions)
4 dimethylaminopyridine, by Merck Group (4 mentions)
Chlorobenzene, by Merck Group (4 mentions)
Cobalt 2 nitrate hexahydrate, by Merck Group (3 mentions)
88 protocols using n dimethylformamide
1
Cobalt-Copper Antimicrobial Assay
2
Synthesis of Cobalt-Nickel Metal-Organic Frameworks
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Potassium hydroxide (KOH), Cobalt (II) nitrate hexahydrate ( * 6 , nickel (II) nitrate hexahydrate ( *6 ), terephthalic acid ( ), N, N-dimethyl formamide (DMF), and ethanol were purchased from Merck. Reduced graphene oxide (rGO) was bought from Borhan Co., Iran. No additional processing was required, and all chemical compounds were utilized as supplied.
3
Synthesis and Characterization of MOF-based Epoxy Coatings
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Zirconium tetrachloride (ZrCl4, 98%) and 2-Aminoterephthalic acid (ATA, 99%) were used as metal and organic precursors of MOF, respectively bought from Sigma-Aldrich. Utilized solvents including methanol, N, N-dimethylformamide (DMF, 99%), nitric acid (HNO3, 68%), sulfuric acid (H2SO4, 98%) and acetic acid (HAc, 98%) were provided by Merck company. Carbon nanotubes were purchased from PlasmaChem GmbH and used without further purification. Epoxy resin (Araldite GZ7 7071X75: solid content: 74–76%, epoxy value: 0.15–0.17, density: 1.08 g/cm3) was purchased from Saman Co. Furthermore, amido polyamide curing agent based on CRAYAMID 115 (Arkema Co.) was employed as curing agent. In this research work, mild steel (CK10) was used as substrate. The chemical composition (wt.%) of the steel was as follows: 0.1 wt.% C, 0.45 wt.% Mn, ma × 0.4 wt.% Si, and about 99 wt.% Fe. Steel panels were cut into the size of 30 × 20 × 1 mm and 80 × 50 × 1 mm. Then the surface was polished with SiC paper of graded grit sizes ranging from 120 to 1500 to achieve a mirror-shinning surface then ultrasonically cleaned in a mixture of acetone and ethanol for 10 min. Finally samples were washed with distilled water and then dried in air.
4
Poly(4-vinylpyridine) Synthesis and Characterization
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Poly (4-vinylpyridine) (P4VPy) = 160,000 g mol−1, potassium tetrachloroaurate (III) (KAuCl4, 99.9%), bis(trifluoromethane)sulfonamide lithium salt (LiNTf2, 99.9%) and pentyl bromide (99.9%) were purchased from Sigma−Aldrich. Ethyl acetate, methanol, N, N-dimethyl formamide (DMF), dichloromethane (DCM) and sodium borohydride (NaBH4, 98.0%) were purchased by Merck. Milli-Q water (18.2 MΩ/cm) was used in all required experiments. All solvents used were of analytical grade and used without further purification.
5
Synthesis of Cobalt-based Metal-Organic Frameworks
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Cobalt nitrate hexahydrate [Co(NO3)2·6H2O], 2-methylimidazole (99%), N, N-dimethylformamide (DMF, 99.5%), ethanol (EtOH, 98%), acetone (CH3COCH3, 99.5%), cyclohexane (C6H15, 99%), 4-methyl-1-hexene (C7H14, 99.5%), 3-pentanone (C5H10O, 99%), and toluene (C7H8, 99.8%), were purchased from Merck (South Africa). Lighthouse candles were purchased at a local supermarket in Johannesburg, South Africa.
6
Fabrication of Collagen-Chitosan Nanofiber Scaffolds
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PCL (Mw 80,000) (Sigma, New York, NY, USA) was dissolved in N-dimethylformamide and chloroform (Merck, Kenilworth, NJ, USA) by ratio 1/9 (N-dymethylformamid/chloroform). Spinning solution with concentration of 8% (w/v) was prepared. Then, the solution was electrospun upon applying a high voltage (22.5 kv) and mass flow rate of 1 ml/h at room temperature. Polymer nanofibers were collected on an aluminum foil which covered the target [1 (link)].
Collagen-chitosan film was developed by casting and solvent-evaporation method. Collagen (type I, Sigma) and chitosan (Sigma) were separately dissolved in acetic acid (0.5 M, Merck). Mixture of the 1% collagen and 1% chitosan solutions (9:1 V/V) were cast on polystyrene molds, frozen at -80℃ for 2 hours and then lyophilized in a freeze dryer for 24 hours. Scaffolds then cross-linked using 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide (Sigma). The sample was rinsed in distilled water and dried at 37℃ for 4 days.
Collagen-chitosan film was developed by casting and solvent-evaporation method. Collagen (type I, Sigma) and chitosan (Sigma) were separately dissolved in acetic acid (0.5 M, Merck). Mixture of the 1% collagen and 1% chitosan solutions (9:1 V/V) were cast on polystyrene molds, frozen at -80℃ for 2 hours and then lyophilized in a freeze dryer for 24 hours. Scaffolds then cross-linked using 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide (Sigma). The sample was rinsed in distilled water and dried at 37℃ for 4 days.
7
PVA Nanofiber Fabrication Protocol
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Polyvinyl alcohol (PVA) (Mw = 89,000–98,000, 99% hydrolysis) obtained from Sigma–Aldrich was used to prepare nanofibers. Solvents used for vapor treatment include dimethyl sulfoxide (DMSO), N, N-dimethyl formamide (DMF), and methanol, which were purchased from Merck, Germany. All materials were used as received without conducting any further purification processes.
8
Cytotoxicity Evaluation of Polymer-based Biomaterials
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PCL (Mw = 80,000 g mol−1), NaOH, and NaCl were purchased from Sigma-Aldrich (St. Louis MO, USA). Chloroform, N, N-Dimethylformamide (DMF), dimethyl sulfoxide (DMSO), and isopropanol were purchased from Merck (Darmstadt, Germany). MTT powder was acquired from Sigma Aldrich (Darmstadt, Germany). DMEM/F-12 cell culture medium, Fetal Bovine Serum (FBS), Penicillin–Streptomycin (Pen-Strep), and Trypsin- EDTA were obtained from Gibco (Thermo Fisher Scientific, Dreieich, Germany).
9
Synthesis and Characterization of MOF-Based Adsorbents
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All chemicals including zirconium (IV) chloride (ZrCl4, 98%), N, N-dimethylformamide (DMF, 99%), terephthalic acid (H2BDC, 99%), chloroform (99%), MWCNTs-COOH (39 nm), graphene oxide (3–18 nm), methyl red (MR), methyl orange (MO), methylene blue (MB), and malachite green (MG) were purchased from Merck and Sigma Aldrich companies and utilized without further purification due to their analytical grade. Deionized (DI) water was employed to prepare all solutions.
10
Synthesis of Functional Polymeric Materials
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11-Bromoundecyl methacrylate30 and 11-(4-hydroxyphenoxy)undecyl acrylate31 (link) were kindly provided by Philips Research. 4,4′-Biphenol,
sodium iodide, anhydrous N,N-dimethylformamide,
anhydrous Chloroform, thionyl chloride, anhydrous tetrahydrofuran
(THF), t-butyl-hydroquinone, 4-carboxybenzo-15-crown-5,
terephthaloyl chloride, magnesium sulfate, hydrochloric acid (37%),
and silica were purchased from Merck Life Science. Potassium carbonate
and ethanol were obtained from VWR Chemicals. Chloroform and triethylamine
were purchased from Merck KGaA. Dichloromethane and ethyl acetate
were obtained from Biosolve. Irgacure 819 was supplied by Ciba. For
permeation and sorption measurements, the gasses He (5.0 grade), CO2 (4.5 grade), N2 (5.0 grade), and Ar (5.0 grade)
were purchased from Linde gas (the Netherlands). All reagents were
used as received, without further purification.
sodium iodide, anhydrous N,N-dimethylformamide,
anhydrous Chloroform, thionyl chloride, anhydrous tetrahydrofuran
(THF), t-butyl-hydroquinone, 4-carboxybenzo-15-crown-5,
terephthaloyl chloride, magnesium sulfate, hydrochloric acid (37%),
and silica were purchased from Merck Life Science. Potassium carbonate
and ethanol were obtained from VWR Chemicals. Chloroform and triethylamine
were purchased from Merck KGaA. Dichloromethane and ethyl acetate
were obtained from Biosolve. Irgacure 819 was supplied by Ciba. For
permeation and sorption measurements, the gasses He (5.0 grade), CO2 (4.5 grade), N2 (5.0 grade), and Ar (5.0 grade)
were purchased from Linde gas (the Netherlands). All reagents were
used as received, without further purification.
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