Dopamine hydrochloride da hcl

The PPMM (Rone Scientific; catalog number: 201PP-47-045-50; pore size of 450 nm) was in a circular shape with diameter of 47 nm and thickness of 200 µm. Tris(hydroxymethyl)aminomethane hydrochloride (Tris–HCl), sodium l-ascorbate, acetic acid (CH₃COOH), and boric acid (H₃BO₃) were purchased from Sigma-Aldrich. Dopamine hydrochloride (DA-HCl; the monomer for PDA) was purchased from Acros Organic. PVA (MW: 70 kDa) was purchased from Merck. Potassium hydroxide (KOH), sodium hydroxide (NaOH), sodium thiosulfate (Na₂S₂O₃), sodium sulfite (Na₂SO₃), and hydrochloric acid (HCl) were purchased from SHOWA. Anhydrous citric acid (C₆H₈O₇) was purchased from J.T. Baker. Phosphoric acid (H₃PO₄) was purchased from Honeywell. Hydrogen tetrachloroaurate (III) trihydrate (HAuCl₄·3H₂O) and potassium hexachloroiridate (IV) (K₂IrCl₆) were purchased from Alfa Aesar. All these chemicals were obtained in analytical grade and were used without further purification.

Tris(hydroxymethyl)aminomethane hydrochloride (Tris-HCl), PEI (branched, MW 800 Da), chloramine-T hydrate, and phenol red sodium salt were purchased from Sigma-Aldrich (St. Louis, MO, USA). Dopamine hydrochloride (DA-HCl) was purchased from Acros Organic (Geel, Belgium). Potassium hydroxide, hydrochloride, sodium thiosulfate, and potassium bromide were purchased from SHOWA (Gunma, Japan). Ethylenediamine (En), anhydrous cobalt chloride, silver nitrite, and anhydrous copper chloride were purchased from Alfa Aesar (Tewksbury, MA, USA). Sodium chloride was purchased from Fluka (Munich, Germany). Sodium acetate was purchased from Vetec (St. Louis, MO, USA). All these chemicals were of analytical grade and were used without further purification. The PPMM (catalog number: 201PP-47-045-50; diameter of 47 mm; pore size of 450 nm; thickness of 200 µm) was purchased from Rone Scientific Inc. (New Taipei City, Taiwan).