The IA (≥99%, Junsei Chemical, Tokyo, Japan), acrylic acid (AA, 99%, Sigma Aldrich, Saint Louis, MO, USA), OS (99%, Daejung Chemicals, Siheung, Korea), and 50% aqueous sodium hydroxide solution (Samchun Pure Chemicals, Pyeongtaek, Korea) were used as received without further purification. Ammonium persulfate (APS, reagent grade, 98%, Sigma Aldrich) was used as the initiator; 1,6-hexanediol diacrylate (HDODA, 99%, Sigma Aldrich) was used as inner-crosslinker without purification. Methanol (95%, Samchun Pure Chemicals), bisphenol A diglycidyl ether (BADGE, 99%, Sigma Aldrich), poly(ethylene glycol) diglycidyl ether (PEGDGE, Mn = 275, Sigma Aldrich), ethylene glycol diglycidyl ether (EGDGE, 98%, Sigma Aldrich), and diglycidyl ether (DGE, 98%, Sigma Aldrich) were used as the surface-crosslinkers without purification.
1 6 hexanediol diacrylate hdoda
Manufactured by Merck Group
1,6-Hexanediol diacrylate (HDODA) is a difunctional acrylate monomer. It is a clear, viscous liquid used as a crosslinking agent in various applications, such as coatings, adhesives, and photopolymerizable formulations.
Automatically generated - may contain errors
Lab products found in correlation
Acrylic acid, by Merck Group (3 mentions)
Nile red, by Merck Group (2 mentions)
Rhodamine 6g, by Merck Group (2 mentions)
Poly ethylene glycol diglycidyl ether pegdge, by Merck Group (1 mentions)
Vinyl sulfonic acid, by Merck Group (1 mentions)
Poly ethylene glycol diacrylate pegda, by Merck Group (1 mentions)
Polyethylene glycol diamine, by Merck Group (1 mentions)
2 hydroxy 2 methylpropiophenone, by Merck Group (1 mentions)
No 1.5h, by Marienfeld (1 mentions)
1 octanol, by Merck Group (1 mentions)
5 protocols using 1 6 hexanediol diacrylate hdoda
1
Synthesis of Crosslinked Polymer Hydrogels
2
Synthesis of Itaconic Acid-based Hydrogels
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Itaconic acid (IA, Junsei, special grade, Tokyo, Japan) and vinyl sulfonic acid (VSA, Sigma Aldrich, St. Louis, MI, USA), acrylic acid (AA) were used as a monomer without purification. Cellulose (CMC, Daejung, Mw: 21,000–500,000, density: 1.59, Siheung, Korea) was purchased and used without purification. Poly(ethyleneglycol) diacrylate (PEGDA, Sigma Aldrich), 1,6-hexanediol diacrylate (HDODA, Sigma Aldrich) were used as the inner-crosslinker, sodium persulfate (NaPS, Sigma Aldrich) was used as the initiator, and 1,4-butanediol (BD, Sigma Aldrich, 99%) was used as the surface-crosslinker without purification.
3
Synthesis of Polyelectrolyte Hydrogels
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Itaconic acid (IA, ≥99%, Junsei Chemical, Tokyo, Japan) and acrylic acid (AA, 99%, Sigma Aldrich, St. Louis, MI, USA) were used as received without further purification. Aqueous sodium hydroxide solution (50%, Samchun Chemicals, Seoul, Korea) was used as a neutralizing agent. Ammonium persulfate (APS, reagent grade, 98%, Sigma Aldrich) was used as the initiator. The inner-crosslinker required for polymerization was crosslinked using 1,6-hexanediol diacrylate (HDODA, 99%, Sigma Aldrich), and then 1,4-butanediol (BD, 99%, Sigma Aldrich) was used as a surface-crosslinker. Methanol (MeOH, 99.5%, SamchunChemicals) was used as a medium in the surface-crosslinking solution. All reagents used in the experiment were used in a purchased state without a separate purification process.
4
Photocurable Nanodroplet Formation on Functionalized Surfaces
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1,6-Hexanediol diacrylate (HDODA)
(80%, Sigma) and lauryl methacrylate (LMA) (97%, Sigma) were utilized
as monomers. The droplets of monomers were cured through the incorporation
of photoinitiator, 2-hydroxy-2-methylpropiophenone (97%, Sigma). Isopropanol
(AR, Sigma) was used to clean the solid substrates, syringes, and
fluid cell. Ethanol (AR, Chem-supply) and water (Milli-Q) were utilized
as the good and poor solvent, respectively, for the solvent exchange
to produce surface nanodroplets. For fluorescent studies, the solution
was stained by either Nile red (Sigma) and Rhodamine 6G (Sigma). Silver
nitrate (99% Chem-supply) and trisodium citrate (99%, Chem-supply)
were nanoparticle precursors. Poly(ethylene glycol)diamine (Mn = 3000, Sigma) was utilized to functionalize
the polymeric lens with amine groups. All reagents were used as received.
Cover glass (ϕ = 42 mm, No. 1, Proscitech or 26 × 60 mm,
No. 1.5H, Marienfeld) were used as substrates. No unexpected or unusually
high safety hazards were encountered.
(80%, Sigma) and lauryl methacrylate (LMA) (97%, Sigma) were utilized
as monomers. The droplets of monomers were cured through the incorporation
of photoinitiator, 2-hydroxy-2-methylpropiophenone (97%, Sigma). Isopropanol
(AR, Sigma) was used to clean the solid substrates, syringes, and
fluid cell. Ethanol (AR, Chem-supply) and water (Milli-Q) were utilized
as the good and poor solvent, respectively, for the solvent exchange
to produce surface nanodroplets. For fluorescent studies, the solution
was stained by either Nile red (Sigma) and Rhodamine 6G (Sigma). Silver
nitrate (99% Chem-supply) and trisodium citrate (99%, Chem-supply)
were nanoparticle precursors. Poly(ethylene glycol)diamine (Mn = 3000, Sigma) was utilized to functionalize
the polymeric lens with amine groups. All reagents were used as received.
Cover glass (ϕ = 42 mm, No. 1, Proscitech or 26 × 60 mm,
No. 1.5H, Marienfeld) were used as substrates. No unexpected or unusually
high safety hazards were encountered.
5
Fabrication of Microcap Patterned Glass
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1-Octanol (99%, Merck) and 1,6-hexanediol diacrylate (HDODA) (80%, Sigma) were the droplet liquids. Ethanol (AR, Chemsupply) was used as the good solvent. Octyldecyltrichlorosilane (OTS) (99%, Sigma) was used to modify the surface wettability. Nile-red (Sigma) and rhodamine 6G (Sigma) were all used in TIRF imaging. All the above chemicals were used as received. Water (Milli-Q, 18 MΩ/cm) was used in all experiments. Glass substrates (φ 42 mm, No. 1, Proscitech) were used after hydrophobic surface functionalization following a previously reported procedure 34 . The microcap substrate was prepared by photopolymerization of droplets on a smooth substrate, following the solvent exchange protocol reported in several of our previous papers 30 . In brief, the fluid cell with the smooth substrate placed inside was charged with a solution of 0.5 % HDODA in 50 % ethanol-water, which was gradually displaced by a second solution of HDODAsaturated water. The displacement of the second solution was controlled by a digital syringe pump (NE-1000, Pump Systems). Following the exchange the fluid cell was placed under UV light (20 W, 365 nm, Thermofisher) to cure the monomer droplets yielding a microcap patterned glass.
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