Modified Synthesis and Physicochemical Characterization of a Bioglass-Based Composite for Guided Bone Regeneration

Table 1

Infrared frequencies and band assignments of the bone graft composite.

Vibrational mode	Attribution	Wavenumber (cm^-1)
Bending	Si-O-Si	465
Symmetric stretch	P-O bond at PO43-	601
Stretching	Si-O-Ca	930
Asymmetric stretch	Si-O-Si; P-O	1045
Stretching	C-O-C/C-O bonds (carbonates)	1647-1395
Stretching	Groups O-H	3410

N=3.