Molecular characterization of cytidine monophospho-N-acetylneuraminic acid hydroxylase (CMAH) gene and frequency of blood types in stray cats of İzmir, Turkey

Table 4 Relative retention times and characteristic ions of Neu5Ac and Neu5Gc analysed by LC-MS/MS

			Collision-induced dissociation fragments
Sialic acid	Retention Time	[M+H]⁺	[M+H-H₂O]⁺	Fragments (m/z)
Neu5Gc	2,8	442	424	313-295-268-283-229
Neu5Ac	3,2	426	408	313-295-283-229

ISSN: 1471-2164