Figures & data
FIG. 2 EPR spectra of tempol (a) and CT (b) in methylene chloride solvents and (c) 0.5% CT in 10% 10KC8 hydrogel at 293.2 K.
![FIG. 2 EPR spectra of tempol (a) and CT (b) in methylene chloride solvents and (c) 0.5% CT in 10% 10KC8 hydrogel at 293.2 K.](/cms/asset/27318fdb-42fe-4f89-8d69-0b48aabe06bd/idrd_a_155928_uf0002_b.gif)
FIG. 3 1H NMR spectrum of the nitroxyl-reduced CT in CDCl3 solvent referenced with TMS to 0 ppm at 299.3 K.
![FIG. 3 1H NMR spectrum of the nitroxyl-reduced CT in CDCl3 solvent referenced with TMS to 0 ppm at 299.3 K.](/cms/asset/6f6e96c0-3723-4d8b-8524-f9a184d02aaf/idrd_a_155928_uf0003_b.gif)
TABLE 1 Chemical shifts in ppm of the nitroxyl-reduced CT with multiplicities in parenthesis
FIG. 5 1H NMR spectrum (a) and 19F NMR spectrum (b) of the 10KC8 hydrogel loaded with CT at 299.3 K.
![FIG. 5 1H NMR spectrum (a) and 19F NMR spectrum (b) of the 10KC8 hydrogel loaded with CT at 299.3 K.](/cms/asset/8a531154-d1f5-484a-9aa1-44136750dec7/idrd_a_155928_uf0005_b.gif)
TABLE 2 Comparison of T1 relaxation times for 10KC8 hydrogel, tempol loaded 10KC8 hydrogel and CT loaded 10KC8 hydrogel