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Lateral resolution of desorption nanoelectrospray: a nanospray tip without nebulizing gas as a source of primary charged droplets
- 1.0460597 - MBÚ 2017 RIV GB eng J - Článek v odborném periodiku
Hartmanová, L. - Lorencová, I. - Volný, M. - Fryčák, P. - Havlíček, Vladimír - Chmelíčková, Hana - Ingr, T. - Lemr, K.
Lateral resolution of desorption nanoelectrospray: a nanospray tip without nebulizing gas as a source of primary charged droplets.
Analyst. Roč. 141, č. 7 (2016), s. 2150-2154. ISSN 0003-2654. E-ISSN 1364-5528
Grant CEP: GA ČR(CZ) GAP206/12/1150
Institucionální podpora: RVO:61388971 ; RVO:68378271
Klíčová slova: IONIZATION MASS-SPECTROMETRY * ELECTROSPRAY-IONIZATION * AMBIENT CONDITIONS
Kód oboru RIV: CB - Analytická chemie, separace
Impakt faktor: 3.885, rok: 2016
Desorption nanoelectrospray (nanoDESI) was described in 2007 and it represents a miniaturized version of desorption electrospray without the assistance of the nebulizing gas. Compared to DESI, a nanoelectrospray tip (2 +/- 1 mu m I.D.) generates primary charged droplets of smaller sizes and lower spray liquid flow rates. This is the first report on utilization of nanoDESI for mass spectrometry imaging (MSI). Its new coupling with a Q-TOF instrument allowed faster mass spectra acquisition (4 Hz) essential for MSI of fine surface details. To evaluate nanoDESI potential for mass spectrometry imaging, etched glass substrates with Rhodamine B patterns of different dimensions were prepared.
Trvalý link: http://hdl.handle.net/11104/0260628
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