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001-es BibID:	BIBFORM092887
035-os BibID:	(cikkazonosító)128200 (WoS)000600833700002 (Scopus)85092452389
Első szerző:	Sárközy Dániel (PhD hallgató)
Cím:	Ultrafast high-resolution analysis of human milk oligosaccharides by multicapillary gel electrophoresis / Daniel Sarkozy, Beata Borza, Apolka Domokos, Eszter Varadi, Marton Szigeti, Agnes Meszaros-Matwiejuk, Dora Molnar-Gabor, Andras Guttman
Dátum:	2021
ISSN:	0308-8146
Megjegyzések:	There is recently growing interest towards synthesized human milk oligosaccharides (HMOs) as baby formula additives, and interestingly also as dietary supplements for adults. Currently quite a few manufacturers synthesize HMOs, however, their analysis is challenging, both in resolution and speed. In this paper an ultrafast high-resolution method is introduced for the separation of HMOs by multicapillary gel electrophoresis. Two gel compositions were evaluated with complementary resolving power. One was a conventionally used industrial standard carbohydrate separation matrix, resolving oligosaccharides according to their charge to hydrodynamic volume ratios. The other one was a borate-buffered dextran gel, which utilized the secondary equilibrium of the borate-vicinal diol complexation to enhance resolution. Considering the rapid analysis time and multiplexing (12-channel system), a 96 well sample plate can be analyzed in less than 80 min with the conventional type carbohydrate separation matrix and in less than one hour with the borate-buffered dextran gel. Exploiting the one fluorophore per molecule labeling stoichiometry, the limit of detection (S/N > 3) and limit of quantitation (S/N > 10) were determined as 0.025 and 0.100 mg/mL, respectively, with good linearity. Based on the calibration plot, the quantities of several low concentration HMOs were determined from a human milk sample.
Tárgyszavak:	Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk
Megjelenés:	Food Chemistry. - 341 : 2 (2021), p. 1-8. -
További szerzők:	Borza Beáta (1990-) (biomérnök) Domokos Apolka Váradi Eszter Szigeti Márton (1986-) (környezetmérnök) Mészáros-Matwiejuk Ágnes Molnár-Gábor Dóra Guttman András (1954-) (vegyészmérnök)
Pályázati támogatás:	BIONANO_GINOP-2.3.2-15-2016-00017 GINOP NKFIH NN 127062 NKFIH ÚNKP-19-3-I-DE-356 ÚNKP
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
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