. 2015 Jul 27;5:12694. doi: 10.1038/srep12694

Table 3. The average binding energy of C1s, O1s, N1s and Ca2p in free rhBMP-2, [Ca²⁺]_L/rhBMP-2 and [Ca²⁺]_H/rhBMP-2.

Sample	C1s/eV	O1s/eV	N1s/eV	Ca2p/eV
Ca²⁺	/	/	/	347.8
Free rhBMP-2	284.8	531.5	399.8	/
[Ca²⁺]_L/rhBMP-2	284.8	531.8	399.9	/
[Ca²⁺]_H/rhBMP-2	284.8	532.1	400.0	347.6

Table 3. The average binding energy of C1s, O1s, N1s and Ca2p in free rhBMP-2, [Ca2+]L/rhBMP-2 and [Ca2+]H/rhBMP-2.