Table 1 FTIR analysis of NC: wavenumber related regions in comparison between G. xylinus (a), B. velezensis SMR (b), and rice husk (c).

Peak wavenumber of G. xylinus-NC \({\mathrm{cm}}^{-1}\) (a)	Peak wavenumber of B. velezensis SMR-NC \({\mathrm{cm}}^{-1}\) (b)	Peak wavenumber of rice husk-NC \({\mathrm{cm}}^{-1}\) (c)	Bonds
3275	3275	3334	OH stretching^30,31
2927	2923	2835	C–H symmetric stretching^31,32
1638	1631	1636	OH bending of absorbed water^30,31
1450	1452	–	HCH and OCH in plane bending vibration^31,33
1377	1390	1368	CH bending in-the-plane^31,34
1314	1317	1316	CH₂ rocking, OH plane deformation^31,34
1045	1040	1029	C–O stretching^31,34

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