Acrylamide (Am, 99.9%), acryloyl chloride (96%),
choline chloride (ChCl, 99%),
β-cyclodextrin (β-CD, 98%), dichloromethane (DCM, 99.9%, with molecular sieves, water ≤ 50 ppm),
4-dimethylaminopyridine (DMAP, 99%), N,N
-dimethylformamide (DMF, 99.8%, with molecular sieves, water ≤ 50 ppm), 4-(4,6-dimethoxy−1,3,5-triazin-2-yl)-4-methylmorpholinium chloride (DMTMM, 97%),
ethylene glycol (EG, 98%), poly(
ethylene glycol) (PEG, average Mn = 2000),
rhodamine B, and
tartrazine (yellow dye) were purchased from Macklin. 2-Hydroxy-4′-(2-hydroxyethoxy)-2-methylpropiophenone (
I2959, ≥98.0%), lithium phenyl(2,4,6-trimethylbenzoyl)phosphinate (LAP, ≥98.0%), lithocholic acid (LCA, >97.0%), N,N’-methylenebis
Acrylamide (MBA), sodium bicarbonate (NaHCO
3, ≥99.8%), and triethylamine (TEA, ≥99.5%) were purchased from Aladdin.
Acetone,
diethyl ether and
hydrochloric acid (HCl) were purchased from Guangzhou Chemical Reagent Factory (Guangdong, China).
Xiong X., Chen Y., Wang Z., Liu H., Le M., Lin C., Wu G., Wang L., Shi X., Jia Y.G, & Zhao Y. (2023). Polymerizable rotaxane hydrogels for three-dimensional printing fabrication of wearable sensors. Nature Communications, 14, 1331.