. Author manuscript; available in PMC: 2019 Jun 1.

Published in final edited form as: Acta Biomater. 2018 Apr 10;73:355–364. doi: 10.1016/j.actbio.2018.03.058

Table 1.

Comparison of quantitative data found in this study and by others using a range of quantitation methods.

Method	β content (%)	non β content (%)	References
FTIR-ATR	50–63	37–50	[This contribution]
X ray diffraction	64–68	32–36	[73]
¹³C CP-MAS NMR	55–60	40–45	[67,74]
FTIR-ATR	53 – 70^*, 49	30 – 47^*, 51	[34 ^*, 75]

Ranges found during annealing includes peaks from turn structures to compare directly with the methodology of this contribution.