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001-es BibID:	BIBFORM095833
Első szerző:	Kéki Sándor (polimer kémikus)
Cím:	Description of response and charge-state distribution of poly(ether glycol)s in electrospray / Sándor Kéki
Dátum:	2006
ISSN:	0951-4198 1097-0231
Megjegyzések:	The responses and charge-state distributions of poly(ethylene glycol) (PEG) and poly(propyleneglycol) (PPG) (Mn? 400?1000 g/mol) at constant electrolyte concentrations (NaCl, 10S3mol/L) inelectrospray were studied as a function of the analyte concentration in the concentration range of 10S2to 10S7mol/L. Single charging occurred in the case of PEG and PPG with Mn? 400 g/mol. It wasobserved that the response changed nearly linearly with the concentration of the polymer in the lowconcentration region but above a certain concentration the response leveled off. Saturation of theresponse at higher concentrations of PEG and PPG of Mn? 1000 g/mol, where double and triplecharging occurred, was also observed. Based on the equilibrium partitioning theory a model wasdeveloped to account for the response curves and charge-state distributions of singly, doubly andtriply charged adduct ions generated from solutions of PEG and PPG. The experimental and thetheoretical response curves and charge-state distributions calculated with the model are in fairlygood agreement.
Tárgyszavak:	Természettudományok Kémiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk
Megjelenés:	Rapid Communications In Mass Spectrometry. - 20 : 22 (2006), p. 3374-3378. -
Pályázati támogatás:	K 62213 OTKA T 042740 OTKA M 28369 OTKA M 36872 OTKA MU-00204/2001 OTKA
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