The materials used in this study were formic acid, (98–100%, MERCK, Kenilworth, NJ, USA), glacial acetic acid, (99.85%, VWR Chemicals, Radnor, PA, USA), and nylon 6,6 pellets (Sigma Aldrich, St. Louis, MO, USA). A mixture of formic acid and acetic acid with a ratio of 1:1 was used to dissolve nylon 6,6 pellets (14.0 wt %) in order to prepare nylon 6,6 solution.
Nylon 6 6 pellets
Manufactured by Merck Group
Sourced in United States
Nylon 6,6 pellets are a type of synthetic polymer material commonly used in the manufacturing of various products. They are composed of a repeating chain of nylon 6,6 monomers, which provide them with specific physical and chemical properties. Nylon 6,6 pellets serve as a raw material for further processing and production.
Automatically generated - may contain errors
Lab products found in correlation
Formic acid, by Merck Group (6 mentions)
Glacial acetic acid, by Avantor (2 mentions)
Acetic acid, by Merck Group (1 mentions)
Nitric acid, by Merck Group (1 mentions)
Sodium chloride (nacl), by Merck Group (1 mentions)
Clove bud oil, by Merck Group (1 mentions)
Nile red dye, by Merck Group (1 mentions)
4 4 6 dimethoxy 1 3 5 triazin 2 yl 4 methylmorpholinium chloride dmt mm, by Merck Group (1 mentions)
Glutaraldehyde, by Merck Group (1 mentions)
Polyvinyl alcohol (pva), by Merck Group (1 mentions)
Anhydrous sodium sulfate, by Merck Group (1 mentions)
Potato dextrose agar (pda), by Merck Group (1 mentions)
Potato dextrose broth (pdb), by Merck Group (1 mentions)
Sterile water, by Merck Group (1 mentions)
4 4 6 dimethoxy 1 3 5 triazin 2 yl 4 methylmorpholinium chloride, by Merck Group (1 mentions)
4 vinylbenzyl chloride, by Merck Group (1 mentions)
Phloxine b, by Merck Group (1 mentions)
Azure a, by Merck Group (1 mentions)
Tween 20, by Merck Group (1 mentions)
Rpmi 1640 medium, by Merck Group (1 mentions)
8 protocols using nylon 6 6 pellets
1
Nylon 6,6 Synthesis from Formic and Acetic Acids
2
Electrochemical Cell Assembly and Oxidation Removal
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The chemicals used were celestine blue (C17H18CIN3O4) (Sigma-Aldrich, St. Louis, MO, USA). Sodium chloride (NaCl) (Merck, Kenilworth, NJ, USA) was used as the electrolyte in the aqueous solution. Nitric acid (Merck, Kenilworth, NJ, USA) was used as the cleaning agent to remove oxidized iron on the electrode surface. Chemicals that were used for membrane preparation include formic acid (98–100%) (Merck, Kenilworth, NJ, USA), acetic acid (Merck, Kenilworth, NJ, USA) brand and nylon 6,6 pellets (Sigma-Aldrich, St. Louis, MO, USA).
3
Nanofiber Mat Fabrication via Electrospinning
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The membrane dope solution was prepared by dissolving 14 wt % of nylon 6,6 pellets (Sigma Aldrich, St. Louis, MI, USA in a mixture that has an equal weight ratio of formic acid (>98%, Merck, Kenilworth, NJ, USA and glacial acetic acid (99.85%, VWR Chemicals, Radnor, PA, USA). The dope solution was stirred while using a magnetic stirrer at least for 24 h to ensure the formation of homogenous solutions. An electrospinning set-up (Fanavaran Nano Meghyas, Tehran, Iran was used to electrospin the nanofiber mat. The homogeneous nylon 6,6 solution was filled inside a 5 mL syringe before being equipped with 0.6 mm inner diameter of needle tip and connecting to a high voltage electrode (26 kV). Afterwards, the solution was injected at a constant rate of 0.4 mL/h with a needle tip to screen the collector gap of 15 cm.
4
Encapsulation of Dust Mite Allergens
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Clove bud oil (CO, grade > 99%, density: 1.04 g·cm−3), Nile red dye, glutaraldehyde (GA, 25 wt % in water), poly(vinyl alcohol) (PVA, 35–50 kDa and 99 mol % degree of hydrolysis), anhydrous sodium sulfate, nylon 66 pellets, formic acid (reagent grade > 95%), and 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride (DMTMM) were purchased from Sigma Aldrich Co. (Wonsam-myeon, Gyeonggi-do, South Korea). House dust mite (Dermatophagoides farinae) and the nutrient mixture for mites were donated from the School of Agricultural Biotechnology, Seoul National University (Seoul, South Korea).
5
Nylon 66 and Silver Deposition Protocol
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Nylon 66 pellets (molecular weight = 262.35 g/mol) and formic acid (reagent grade, ≥95%) were supplied from Sigma-Aldrich, St. Louis, MO, USA. A silver source (99.99%, granules 3–5 mm) for electron beam evaporation was purchased from Taewon Scientific Co., Ltd., Seoul, Korea.
6
Antifungal Polymer Composite Evaluation
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Poly(acrylic acid) (PAA, average MV ~450,000), 4-vinyl-benzyl chloride, 4-styrene sulfonic acid, acrylic acid (AC), nylon 6,6 pellets, formic acid (reagent grade > 95%), phloxine B (PB), azure A (AA), toluidine blue O (TBO), potato dextrose agar (PDA), potato dextrose broth, phosphate buffer saline (pH 7.0), Tween® 20, RPMI 1640 medium, sterile water, 3-(N-morpholino)-propanesulfonic acid (MOPS), and 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride (DMTMM) were purchased from Sigma Aldrich Chemical Co. (St. Louis, MO, USA). RB and meltspun nylon 6.6, Cerex Spectramax® were donated by LaamScience (Cary, NC, USA), while 0.5 McFarland standard for turbidity measurements was purchased from Fisher Scientific Co. (Pittsburgh, PA, USA). Aspergillus niger (ATCC 6275), Trichiderma viride (ATCC 28020), Penicillium funiculosum (ATCC 10509), Aspergillus fumigatus (ATCC 13073) and Chaetomium globosum (ATCC 6205) were donated from the United States Department of Agriculture, Agricultural Research Service, Peoria, IL, USA. Magnaporthe grisea and Phytophthora cinnamomi (fungus-like organism) were donated from the North Carolina State University, Plant Pathogens Department, Raleigh, NC, USA.
7
Electrode Materials Synthesis and Characterization
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Iron chloride hexahydrate (FeCl3·6H2O, 97%), vanadium chloride (VCl3, 97%), nylon 6/6 pellets (Nylon), and N, N-dimethylformamide (DMF, 99.8%) were purchased from Sigma-Aldrich. The commercial sandpaper (SP) substrates were manufactured by 3M and purchased online. Activated carbon (AC), and super P carbon were procured from MTI Korea. Formic acid was obtained from Daejung-Chemicals.
8
Pectinase Enzyme Preparations for Pectin Hydrolysis
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Pectinase preparations Pectinex ® Ultra SPL (≥3800 U/mL, Sigma-Aldrich, Steinheim, Germany), Pectinex ® BE XXL (13,600 PECTU/g), Pectinex ® Ultra Mash (9500 PECTU/g) and Pectinex ® Ultra Tropical (5000 PECTU/g) from Novozymes (Bagsvaerd, Denmark), and Panzym ® Univers (11,000 PECTU/mL) from Begerow (Langenlonsheim, Germany) were used in this work. Apple pectin, polygalacturonic acid, and galacturonic acid were all purchased from Sigma-Aldrich (Steinheim, Germany). Nylon 6/6 pellets were from Sigma-Aldrich and threads consisting of 60 filaments with a diameter of 25 µm twisted together from Oja, Turkey. All chemical reagents and solvents used were of analytical grade.
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