Gelatin powder from bovine skin (GEL, type B), polycaprolactone (PCL, Mn ~ 80,000), poly (vinylidene fluoride) (PVDF, Mw ~ 275,000), polystyrene (PS, Mw ~ 280,000), nylon 6/6 (NY) were selected as the solute of electrospinning solution and denoted as NY, PCL/GEL, PVDF, and PS, respectively. N, n-dimethylformamide (DMF, ≥ 99.9%), 2,2,2-trifluoroethanol (TFE, ≥ 99.0%), formic acid (≥ 98.0%), chloroform (≥ 99.5%), methanol (≥ 99.5%), and acetone (≥ 99.7%) were utilized for the solvent of electrospinning solution. All solutes and solvents were provided from Sigma–Aldrich (USA). Tetrabutylammonium bromide (TBAB, ≥ 99.0%) was also obtained from Sigma–Aldrich (USA). Potassium chloride (KCl, ≥ 99.0%) and deionized (DI) water were acquired from Duksan Chemical Co., Ltd. (South Korea). Sylgard® 184 polydimethylsiloxane (PDMS) silicone elastomer base monomer and hardener were bought from Dow Corning (USA). All ingredients and materials were utilized without further purification.
Tetrabutylammonium bromide tbab
Manufactured by Merck Group
Sourced in United States
Tetrabutylammonium bromide (TBAB) is a quaternary ammonium salt used as a phase-transfer catalyst in organic synthesis. It facilitates the transfer of ionic species between immiscible polar and non-polar phases, thereby enabling reactions to occur more efficiently. TBAB is a colorless, crystalline solid at room temperature.
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Lab products found in correlation
Dialysis bag, by Sangon (1 mentions)
N hydroxysulfosuccinimide sodium salt sulfo nhs, by Merck Group (1 mentions)
Ultra 4 centrifugal filter devices, by Merck Group (1 mentions)
Anhydrous mgso4, by Merck Group (1 mentions)
1 ethyl 3 3 dimethylaminopropyl carbodiimide hydrochloride edc, by Merck Group (1 mentions)
Sodium hydroxide (naoh), by Merck Group (1 mentions)
Potassium carbonate, by Merck Group (1 mentions)
1 3 diaminopropane, by Merck Group (1 mentions)
Hexagonal boron nitride h bn, by Merck Group (1 mentions)
1 8 diazabicyclo 5.4.0 undec 7 ene dbu, by Merck Group (1 mentions)
Sodium dihydrogen phosphate, by Merck Group (1 mentions)
Perchloric acid, by Merck Group (1 mentions)
Methanol, by Avantor (1 mentions)
Histopaque 1077, by Merck Group (1 mentions)
5 protocols using tetrabutylammonium bromide tbab
1
Electrospun Nanofiber Composites for Applications
2
Palladium (II) Extraction using Schiff Base Ligand
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All the solvents and chemicals used were of analytical reagent grade and were used without purification. All glass wares were dipped into bidistilled water and dried in an oven at 80 °C. Palladium (II) chloride hydrated PdCl2.2H2O and % tetrabutylammonium bromide (TBAB) (99.5% purity) were obtained from Sigma Aldrich. Stock solution of 1 × 10−4 M Pd (II) was prepared by dissolving 0.00106 g PdCl2.2H2O in 100 ml of bidistilled water by adding 1.0 ml of concentrated HCl. Stock solution of 1 × 10−3 M of the Schiff base ligand (A1) chelating agent was prepared by dissolving 0.04385 g Schiff base ligand (A1) in 100 ml of ethanol. A stock solution of 6.36 × 10−2 M oleic acid (HOL) was prepared from the food-grade with sp. gr. 0.895 by dispersing 20 ml of HOL in one liter of kerosene. A stock solution of 0.1% tetrabutylammonium bromide (TBAB) was prepared by dissolving the solvent in bidistilled water.
3
Synthesis of (1-[(4-bromomethyl)-phenyl]-1,2,2-triphenylethene conjugate
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1-[(4-bromomethyl)-phenyl]-1,2,2-triphenylethene and 4-methyl hydroxybenzoate were purchased from Rhea Biotech Company (Xian, China). Potassium carbonate, anhydrous MgSO4, sodium hydroxide, tetrabutylammonium bromide (TBAB), 1-ethyl-3-(-3-dimethylaminopropyl) carbodiimide hydrochloride (EDC), and N-hydroxysulfosuccinimide sodium salt (sulfo-NHS) were purchased from Sigma-Aldrich. Dialysis bag (3 KDa) was purchased from Sangon Biotech Company (Shanghai, China), Ultra-4 Centrifugal Filter Devices (3 KDa) was purchased from Merck Millipore (Darmstadt, Germany). All the solvents of analytical grade were employed without more purification. ELPs40 was kindly provided by Guangya Zhang’s Group (Huaqiao university).
4
Epoxy Resin Synthesis and Characterization
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EPIKOTETM MGSTM RIMR135, a bisphenol-A-(epichlorohydrin) resin (number average molecular weight ≤ 700)-1,6-bis(2,3-epoxypropoxy) hexane, was purchased from Hexion. Tetrabutylammonium bromide (TBAB) was supplied by Sigma Aldrich (St. Louis, MO, USA) and used as a catalyst for the cycloaddition of carbon dioxide (CO2) and transfer agent for the epoxidation reaction. In addition, 1,3-diaminopropane was purchased from Merck, and 1,8-Diazabicyclo[5.4.0]undec-7-ene (DBU) and hexagonal boron nitride (h-BN) (particle size~1 µm) were acquired from Sigma Aldrich. H-Boron nitride was functionalized with commercial sugar to enhance mechanical properties.
5
HPLC Quantification of Purine Nucleotides
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All solvents and reagents were of HPLC or analytical grade. Adenosine monophosphate (AMP) and IMP were purchased from Santa Cruz Biotechnology (Dallas, TX, USA) whereas XMP was from Jena Bioscience (Jena, Germany). Histopaque®-1077, sodium dihydrogen phosphate, NAD+, potassium carbonate, and MPA were obtained from Sigma-Aldrich (Saint Louis, MO, USA), whereas potassium chloride was obtained from POCH (Gliwice, Poland) and perchloric acid from Merck (Darmstadt, Germany). Methanol (J. T. Baker, Deventer, Netherlands), tetrabutylammonium bromide (TBAB) (Sigma-Aldrich, Saint Louis, MO, USA), and potassium dihydrophosphate (Merck, Darmstadt, Germany) were used for preparing the mobile phase. Full blood from six healthy volunteers was purchased from the Regional Blood Donation and Blood Treatment Center in Poznań, Poland.
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