. 2018 Nov 29;3(11):16203–16211. doi: 10.1021/acsomega.8b02559

Table 1. Elemental Compositions and Elemental C/N Ratios for Unmodified (t-CNC), Oxidized (t-CNC–COOH), and Biotin-Functionalized (t-CNC–HC-Biot and t-CNC–PEG-Biot, Respectively) Tunicate Nanocrystals^a.

	N (%)	C (%)	S (%)	C/N
t-CNC	0.005 ± 0.001	43.7 ± 0.080	0.499 ± 0.036	8820 ± 926
t-CNC–COOH	0.002 ± 0.001	42.6 ± 0.014	0.545 ± 0.006	29836 ± 8643
t-CNC–HC-Biot	0.017 ± 0.010	43.2 ± 0.356	0.419 ± 0.070	3380 ± 2636
t-CNC–PEG-Biot	0.008 ± 0.004	43.4 ± 0.265	0.418 ± 0.091	6000 ± 2116

Determinations were made in triplicate and results are expressed as mean ± standard deviation.

Table 1. Elemental Compositions and Elemental C/N Ratios for Unmodified (t-CNC), Oxidized (t-CNC–COOH), and Biotin-Functionalized (t-CNC–HC-Biot and t-CNC–PEG-Biot, Respectively) Tunicate Nanocrystalsa.