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. Author manuscript; available in PMC: 2018 Apr 28.
Published in final edited form as: Polym Chem. 2017 Mar 31;8(16):2552–2558. doi: 10.1039/C7PY00123A

Table 1.

Chitosan concentration effect on phosphorylation P/N atomic ratio.a

Chitosan concentration (mg/mL) P/N atomic ratio
5 n/a
20 0.232 ± 0.029
40 0.279 ± 0.038
80 0.436 ± 0.066
a

Error bars represent the standard deviation from n≥3 separate preparations using a 48 h reaction time. The chloride-to-nitrogen atomic ratio was zero for all concentrations.