Methylene bis acrylamide mbaa

APBA, N-hydroxyethyl acrylamide (HEAA) and 3-(trimethoxysilyl)propyl methacrylate (TMSPMA), trichloro(1H,1H,2H,2H-perfluorooctyl)silane were purchased from Sigma-Aldrich (St. Louis, MO). Methylene bis-acrylamide (MBAA) and 2,2-dimethoxy-2-phenylacetophenone (DMPA) were purchased from Acros Organics (New Jersey, USA). Dimethyl sulfoxide (DMSO) was purchased from Macron (Center Valley, PA), and ethanol (200 proof) were purchased from Pharmco Aaper (Brookfield, CT). Hydrogen peroxide (30% stock solution) (H₂O₂) was purchased from Fisher Scientific (Fair Lawn, NJ). Polydimethylsiloxane (PDMS) monomer and crosslinking agent (Sylgard 184 Silicone Elastomer kit) were purchased from Dow Corning (Midland, MI). DMA was synthesized by following previously published protocols.^{19 (link)} The acidic pH 3.0 solution was prepared by adding 1 M HCl to deionized (DI) water. The pH 9.0 buffer solution was prepared by adjusting the pH of 10 mM Tris (hydroxymethyl) aminomethane (Tris) buffer with 1 M HCl.

N-Hydroxyethyl acrylamide (HEAA), TWEEN®80, Span™80, acetone, FeMNP (97% iron oxide (Fe₃O₄); 50–100 nm particle size), potassium hexacyanoferrate (II) trihydrate, nickel (II) nitrate hexahydrate, copper (II) nitrate hemi(pentahydrate), cobalt (II) chloride hexahydrate, lead (II) nitrate, Alizarin Red S, Rhodamine B, Crystal Violet, Malachite Green, ciprofloxacin, 5,5-dimethylpyrroline N-oxide (DMPO) and 2,2,6,6-Tetramethylpiperidine (TEMP) were purchased from Sigma Aldrich (St Louis, MO). Methylene bis-acrylamide (MBAA) was purchased from Acros Organics (Fair Lawn, New Jersey). VA-086 was purchased from Wako Chemicals (Richmond, VA). Dimethyl sulfoxide (DMSO) and hexanes were purchased from VWR (Radnor, PA). L13152 LIVE/DEAD® BacLight™ Bacterial Viability Kit and Pierce™ Quantitative Peroxide (FOX) Assay Kit were purchase from Thermo Fisher Scientific (Waltham, MA). Staphylococcus aureus and Escherichia coli were purchased from ATCC (Manassas, VA). Dopamine methacrylamide (DMA, Figure S1) was synthesized following published protocols^{32 (link)}.

APMH was purchased from Polysciences, Inc. (Warrington, PA). AAc, N-hydroxyethyl acrylamide (HEAA), trichloro(1H,1H,2H,2H-perfluorooctyl)silane (97 %), (3-aminopropyl) trimethoxysilane (APTS), and toluene (anhydrous, 99.8 %) were purchased from Sigma-Aldrich (St. Louis, MO). Methylene bis-acrylamide (MBAA) and 2,2-dimethoxy-2-phenylacetophenone (DMPA) were purchased from Acros Organics (New Jersey, USA). Dimethyl sulfoxide (DMSO) was purchased from Macron (Center Valley, PA), and ethanol (190 proof) was purchased from Pharmco Aaper (Brookfield, CT). DMA was synthesized following previously published protocols.^{29 (link)} Glass slides were purchased from Fisher Scientific (cat. no. 12-550- A3; Hampton, NH). Quartz slides were purchased from Ted Pella (Redding, CA).