The chemicals purchased are used without further purification. Acrylic acid (99%), ammonium persulfate (APS) (98%), N N’-methylene bis(acrylamide) (MBAA) (99%), acrylamide (99%), dimethyl sulfoxide (DMSO) (99%), N-ethyl carbodiimide hydrochloride (EDC·HCl), and N-hydroxysuccinimide (NHS) (98%) were purchased from Sigma-Aldrich. PEDOT:PSS aqueous solution (Clevios™ PH1000, 1.0–1.3% solid content) was purchased from Heraeus Electronic Materials.
N n methylenebisacrylamide mbaa
Manufactured by Merck Group
Sourced in United States
N,N′-methylenebisacrylamide (MBAA) is a chemical compound commonly used as a cross-linking agent in various laboratory applications. It is a white, crystalline solid that is soluble in water and organic solvents. MBAA is primarily used to create polymer networks and gels, which are essential for techniques such as electrophoresis and gel chromatography.
Automatically generated - may contain errors
Lab products found in correlation
Ammonium persulfate ap, by Merck Group (4 mentions)
Ammonium persulfate, by Merck Group (2 mentions)
N hydroxysuccinimide nhs, by Merck Group (1 mentions)
Dimethyl sulfoxide (dmso), by Merck Group (1 mentions)
Acrylamide, by Merck Group (1 mentions)
Acrylic acid, by Merck Group (1 mentions)
Tartrazine, by Merck Group (1 mentions)
Potassium dichromate k2cr2o7, by Nacalai Tesque (1 mentions)
Ammonium peroxodisulfate aps, by Merck Group (1 mentions)
N n n n tetramethylethylenediamine temed, by Nacalai Tesque (1 mentions)
Pedot pss, by Merck Group (1 mentions)
Acrylamide aam, by Merck Group (1 mentions)
Licl h2o, by Sinopharm (1 mentions)
Fecl2 4h2o, by Sinopharm (1 mentions)
Nicl2 6h2o, by Sinopharm (1 mentions)
Pdms sylgard 184 silicone elastomer, by Dow (1 mentions)
Pancreatin, by Solarbio (1 mentions)
Chitosan, by Maclin Biochemical Technology (1 mentions)
Dulbecco s phosphate buffered saline dpbs, by Thermo Fisher Scientific (1 mentions)
Lysozyme, by Merck Group (1 mentions)
16 protocols using n n methylenebisacrylamide mbaa
1
Synthesis of Polymer-Based Conductive Hydrogels
2
Synthesis and Characterization of LAP Photoinitiator
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All chemicals were used as received and were
of analytical grade. Acrylamide (AAm), κ-carrageenan, N,N′-methylenebisacrylamide (MBAA),
and tartrazine were purchased from Sigma-Aldrich. LAP was synthesized
in our laboratory. Lithium phenyl-2,4,6-trimethyl-benzoyl phosphinate
(LAP) was synthesized using a recognized method.41 (link) Briefly, 2.85 mL of dimethyl phenylphosphonite was allowed
to react with 3.00 mL of 2,4,6-trimethylbenzoyl chloride in a covered
flask for 18 hours under a nitrogen blanket with stirring. After 18
hours, 100 mL of 6.25% (w/v) lithium bromide in 2-butanone solution
was added to the flask. The mixture was heated to 50 °C and then
allowed to react for 10 min. After cooling to room temperature, the
white precipitate was collected via vacuum filtration and washed with
four 100 mL aliquots of 2-butanone. Isolated LAP was dried in a vacuum
for one week to remove the residual solvent.
of analytical grade. Acrylamide (AAm), κ-carrageenan, N,N′-methylenebisacrylamide (MBAA),
and tartrazine were purchased from Sigma-Aldrich. LAP was synthesized
in our laboratory. Lithium phenyl-2,4,6-trimethyl-benzoyl phosphinate
(LAP) was synthesized using a recognized method.41 (link) Briefly, 2.85 mL of dimethyl phenylphosphonite was allowed
to react with 3.00 mL of 2,4,6-trimethylbenzoyl chloride in a covered
flask for 18 hours under a nitrogen blanket with stirring. After 18
hours, 100 mL of 6.25% (w/v) lithium bromide in 2-butanone solution
was added to the flask. The mixture was heated to 50 °C and then
allowed to react for 10 min. After cooling to room temperature, the
white precipitate was collected via vacuum filtration and washed with
four 100 mL aliquots of 2-butanone. Isolated LAP was dried in a vacuum
for one week to remove the residual solvent.
3
Synthesis and Characterization of Polymeric Hydrogels
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Monomeric DMAPAA-Q and DMAPAA were obtained from KJ Chemicals Corporation (Tokyo, Japan). Potassium dichromate (K2Cr2O7) and N,N,N′,N′-tetramethylethylenediamine (TEMED) were obtained from Nacalai Tesque, Inc. (Kyoto, Japan). N,N′-methylenebisacrylamide (MBAA) and ammonium peroxodisulfate (APS) were obtained from Sigma Aldrich Co. (St. Louis, MO, USA). All reagents were used as received. Aqueous solutions were prepared using distilled water. PK208 and PA312 were purchased from Mitsubishi Chemical Corporation (Tokyo, Japan). Organic acids were purchased from Nacalai Tesque, Inc. (Kyoto, Japan). A. woodii is a type strain DSM 1030.
4
Flexible Conductive Hydrogel Fabrication
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FeCl2·4H2O, NiCl2·6H2O, K3[Fe(CN)6], (NH4)2S2O8, and LiCl·H2O were purchased from Sinopharm Chemical Reagent Co. Ltd. Acrylamide (AAm) and N,N-methylenebisacrylamide (MBAA) were purchased from Sigma-Aldrich. Tetramethyl-ethylenediamine (TEMED) and aluminum (Al) were purchased from Macklin Biochemical Co. Ltd. PEDOT:PSS was purchased from Sigma-Aldrich. All chemicals were of analytical grade and used without any further purification. Flexible ITO/PET films were provided by Lelin Technology (Shenzhen) Ltd. The ITO/glass was purchased from Luoyang Nuozhuo Technology Co. Ltd.
5
Conductive Polymer Composite Fabrication
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PEDOT:PSS aqueous suspension (Clevios PH1000) was purchased from Heraeus Electronic Material (USA). Glycerol, dodecylbenzene sulfonic acid (DBSA), sodium chloride, (3‐glycidyloxypropyl) trimethoxysilane (GOPS), cetyltrimethylammonium bromide (CTAB), ammonium persulfide (APS), acrylamide (AAm), N′‐Tetramethylethylenediamine (TEMED) and N,N′‐methylenebisacrylamide (MBAA) were purchased from Sigma‐Aldrich Co (USA). The liquid metal, eutectic gallium‐indium (EGaIn), was supplied by Flystone Electronics Co. (Zhejiang, China). PDMS (Sylgard 184 silicone elastomer) was purchased from Dow Corning (USA). Styrene‐butadiene rubber (SBR) was provided by Baling Petrochemical Co (China). Ethylene‐vinyl acetate copolymer (EVA50, 50% vinyl acetate) was purchased from Yanshan Petrochemical Co. (China). Polyether‐based TPU was provided by Covestro AG. (Desmopan 9385) and BASF Co. (Elastollan 1195 A). The semi‐permeable TPU film was purchased from 3M Co. (The United States). Poly(styrene‐ethylene‐butylene‐styrene) (SEBS) was provided by Sigma‐Aldrich Co. (The United States). N, N‐dimethylformamide (DMF), tetrahydrofuran (THF), and toluene were obtained from Aladdin Co. (Shanghai, China). The silver paste was purchased from Voltera Co. (USA). The water‐soluble tape (HD 5414) was provided by 3M Co. (USA).
6
Adhesive Hydrogel for Tissue Repair
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To prepare the adhesive hydrogel, acrylic acid (AAc, Aladdin), chitosan (MW = 30,000, Macklin), α-ketoglutaric acid (α-keto, Sigma-Aldrich), NHS (Macklin), and EDC (Yuanye Bio-Technology) were used. Saline was used to purify the above-mentioned hydrogel and to remove the unreacted AAc. Liquid nitrogen was used to freeze-dry prepared hydrogels yielding ACPs. During the in vitro biodegradation test, Dulbecco’s phosphate-buffered saline (DPBS, without calcium and magnesium, Gibco), Lysozyme (Sigma-Aldrich), and Pancreatin (Solarbio) were used. In the 180-degree peel test, acrylamide (AAm, Aladdin), N, N’-Methylenebisacrylamide (MBAA, Sigma-Aldrich), and α-ketoglutaric acid (α-keto, Sigma-Aldrich) were used to prepare a tough hydrogel. In addition, the stiff backing layer applied for the tissues and tough hydrogel was made of poly (methyl methacrylate) films (70 μm in thickness, Anyuan Tech) and instant glue (PR100, 3 M).
7
Double Network Hydrogel Synthesis
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Acrylamide (>99%; Arcos, USA), alginate (FMC Biopolymer, LF 10/60, USA), N,N′ -methylenebis (acrylamide) (MBAA) (Sigma-Aldrich, USA), ammonium persulfate (>98%; Sigma-Aldrich, USA), N,N,N′,N′-tetramethylethylenediamine (TEMED) (>99%; Sigma-Aldrich, USA), and calcium sulfate dihydrate (98%; Sigma Aldrich, USA) are used without further purification.
The double network hydrogel is synthesized following (64 (link)) with some modification (65 ). An 8-g acrylamide, 1-g alginate, 0.0048-g cross-linker MBAA, and 0.02-g thermal initiator are dissolved into 51 g of deionized water. The mixture is stirred for 2 hours until all the components are fully dissolved. The mixture is marked as solution 1. Then, 0.02-g initiator accelerator TEMED and 0.1328-g ionic cross-linker calcium sulfate dihydrate are dissolved into 5 g of deionized water. The mixture is sonicated for 2 min and marked as solution 2. After that, solution 1 and solution 2 are mixed and poured into a 3D-printed polylactic acid (PLA) mold with dimensions 5 mm by 4 mm by 10 mm. The specimen is left at room temperature (24°C) for 24 hours, covered by a glass slide, to polymerize the gel.
The double network hydrogel is synthesized following (64 (link)) with some modification (65 ). An 8-g acrylamide, 1-g alginate, 0.0048-g cross-linker MBAA, and 0.02-g thermal initiator are dissolved into 51 g of deionized water. The mixture is stirred for 2 hours until all the components are fully dissolved. The mixture is marked as solution 1. Then, 0.02-g initiator accelerator TEMED and 0.1328-g ionic cross-linker calcium sulfate dihydrate are dissolved into 5 g of deionized water. The mixture is sonicated for 2 min and marked as solution 2. After that, solution 1 and solution 2 are mixed and poured into a 3D-printed polylactic acid (PLA) mold with dimensions 5 mm by 4 mm by 10 mm. The specimen is left at room temperature (24°C) for 24 hours, covered by a glass slide, to polymerize the gel.
8
Marine Biofouling Resistance Study
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N-Methylol acrylamide (N-MAM, 98%), guaiacol (Gal, 98%), magnesium sulfate (MgSO4, 99.99%) were purchased from Aladdin. Acrylamide (AM, 99%) was obtained from Maclean. Concentrated sulfuric acid (H2SO4, AR) was purchased from Beijing Chemical Works. Polyvinyl alcohol (PVA, degree of hydrolysis 99%, 2800 degree of polymerization) was purchased from Sinopec Sichuan Vinylon Works. Dimethyl sulfoxide (DMSO) and ethanol absolute were received from Tianjin Concord Technology. N,N′-methylenebisacrylamide (MBAA) was received from Sigma-Aldrich, 2,2-dimethylacetophenone (DEAP, 98%) was purchased from J&K Chemical. The water used in the experiment was deionized water (DW). All reagents were used as received.
The subjects of this work to study the resistance to marine biofouling are mainly single-celled organisms diatoms, including Nitzschia closterium and Navicula. Nitzschia closterium is a genus of warm, brackish, and semi-saltwater algae in the family Nitzschiaceae. Navicula sp. is a typical benthic attached diatom, belonging to the Navicula. The two algae were purchased from Xiamen Pulan Biotechnology Co., Ltd.
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N-Methylol acrylamide (N-MAM, 98%), guaiacol (Gal, 98%), magnesium sulfate (MgSO4, 99.99%) were purchased from Aladdin. Acrylamide (AM, 99%) was obtained from Maclean. Concentrated sulfuric acid (H2SO4, AR) was purchased from Beijing Chemical Works. Polyvinyl alcohol (PVA, degree of hydrolysis 99%, 2800 degree of polymerization) was purchased from Sinopec Sichuan Vinylon Works. Dimethyl sulfoxide (DMSO) and ethanol absolute were received from Tianjin Concord Technology. N,N′-methylenebisacrylamide (MBAA) was received from Sigma-Aldrich, 2,2-dimethylacetophenone (DEAP, 98%) was purchased from J&K Chemical. The water used in the experiment was deionized water (DW). All reagents were used as received.
The subjects of this work to study the resistance to marine biofouling are mainly single-celled organisms diatoms, including Nitzschia closterium and Navicula. Nitzschia closterium is a genus of warm, brackish, and semi-saltwater algae in the family Nitzschiaceae. Navicula sp. is a typical benthic attached diatom, belonging to the Navicula. The two algae were purchased from Xiamen Pulan Biotechnology Co., Ltd.
9
Synthesis of DMAPAAQ Hydrogels for Arsenic Removal
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The monomer, N,N′-dimethylamino propylacrylamide, methyl chloride quaternary (DMAPAAQ) (75% in H2O) was supplied by KJ Chemicals Corporation, Japan. The crosslinker, N,N′-Methylene bisacrylamide (MBAA) and the arsenic (III) sources, arsenic(III) oxide and sodium (meta) arsenite were purchased from Sigma-Aldrich, USA. The accelerator sodium sulfite (Na2SO3), the arsenic(V) source, disodium hydrogenarsenate heptahydrate (Na2HAsO4.7H2O) and ferric chloride(FeCl3) was purchased from Nacalai Tesque, Inc., Japan. Sodium hydroxide (NaOH) was purchased from Kishida Chemicals Corporation, Japan. N,N′- dimethyl acrylamide (DMAA) and the initiator, ammonium peroxodisulfate (APS) was purchased from Kanto Chemical Co. Inc., Japan.
10
Nanocomposite Hydrogel Formation
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NIPAm was received from Aladdin Chemistry Co., Ltd.; N,N′‐methylenebis(acrylamide) (MBAA, the chemical crosslinker) was purchased from Sigma Aldrich. Lithium phenyl‐2,4,6‐trimethylbenzoylphosphinate (LAP, the photo‐initiator) was synthesized according to the method reported in the literature.[66 ] Hectorite [Na0.5]inter[Li0.5Mg2.5]oct[Si4]teterO10F2 NSs were melt synthesized at high temperature followed by a long‐term annealing process.[48 ] Simply by immersing the as‐synthesized crystals into water, utter delamination by repulsive osmotic swelling was triggered, resulting in a nematic liquid crystalline suspension. AuNPs were synthesized according to the reported method,[67 ] and the average size was ≈10 nm.
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