N n dimethylformamide dmf

All reagents were purchased from commercial sources and were used without further purification as follows: zirconium(IV) chloride (ZrCl₄, ≥99.5%; Aldrich, St. Louis, MO, USA), terephthalic acid (98%; Alfa Aesar, Haverhill, MA, USA), N,N-dimethylformamide (DMF; Mallinckrodt Chemicals, Phillipsburg, NJ, USA), deionized (DI) water, sodium hydroxide (NaOH pellets; Macron), non-ionic surfactant Triton X-100 (0.08%; Electron Microscopy Sciences, Hatfield, PA, USA), isopropyl alcohol (Aldrich), acetic acid (Macron, glacial), sodium chloroacetate (98%; Aldrich), hydrochloric acid (HCl, 36.5–38%; J.T. Baker), methylchlorophenoxypropionic acid (Mecoprop, Santa Cruz Biotechnology, Dallas, TX, USA), and acetaminophen (Spectrum Chemical MFG Corp., New Brunswick, NJ, USA). Standardized cotton fabrics TIC-400 were obtained from Testfabrics, Inc. (West Pittston, PA, USA) and were cut into 2 × 2 cm² squares using a laser cutter.

N-Isopropylacrylamide (NiPAAm), ε-caprolactone (CL), carboplatin, azobisisobutyronitrile (AIBN), and toluene were purchased from Sigma-Aldrich (St. Louis, MO, USA). 1,1′-Dioctadecyl-3,3,3′,3′-tetramethylindotricarbocyanine iodide (DiR) was supplied by ATT Bioquest (Sunnyvale, CA, USA). Benzoyl peroxide (BPO) came from Shimakyu (Osaka, Japan). 2-Mercaptoethanol was provided by Avantor (Center Valley, PA, USA). N,N-dimethylformamide (DMF) and tetrahydrofuran (THF) were purchased from Mallinckrodt (St. Louis, MO, USA). Tin(II) 2-ethylhexanoate (Sn(Oct)₂) was from Strem Chemicals (Newburyport, MA, USA).