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Statements

Subject Item
n2:RIV%2F61388971%3A_____%2F11%3A00363441%21RIV12-AV0-61388971
rdf:type
n5:Vysledek skos:Concept
dcterms:description
Scanning electron microscopy was used to investigate rivulets that are formed on the analyzed surface during desorption electrospray ionization (DESI) experiment. Ferromagnetic nanoparticles added to the spray solvent in a form of colloid solution functioned as an additional surface probe. The existence of the rivulets was confirmed on glass and newly demonstrated on two different types of porous PTFE. The results show that in standard DESI set-up the rivulets are arranged into very regular shapes. Same rivulets were obtained in DESI experiments without high voltage on the sprayer. However, no such rivulets or any other regular patterns were found on a surface in nano-DESI (nanospray DESI without the carrier nebulizing gas) experiments. This indicates that symmetrical rivulets are created by the hydrodynamical rather than electrostatic forces. It was also demonstrated that blocking the rivulets by a simple physical barrier did not influence known surface charging effects. Scanning electron microscopy was used to investigate rivulets that are formed on the analyzed surface during desorption electrospray ionization (DESI) experiment. Ferromagnetic nanoparticles added to the spray solvent in a form of colloid solution functioned as an additional surface probe. The existence of the rivulets was confirmed on glass and newly demonstrated on two different types of porous PTFE. The results show that in standard DESI set-up the rivulets are arranged into very regular shapes. Same rivulets were obtained in DESI experiments without high voltage on the sprayer. However, no such rivulets or any other regular patterns were found on a surface in nano-DESI (nanospray DESI without the carrier nebulizing gas) experiments. This indicates that symmetrical rivulets are created by the hydrodynamical rather than electrostatic forces. It was also demonstrated that blocking the rivulets by a simple physical barrier did not influence known surface charging effects.
dcterms:title
Scanning electron microscopic imaging of surface effects in desorption and nano-desorption electrospray ionization Scanning electron microscopic imaging of surface effects in desorption and nano-desorption electrospray ionization
skos:prefLabel
Scanning electron microscopic imaging of surface effects in desorption and nano-desorption electrospray ionization Scanning electron microscopic imaging of surface effects in desorption and nano-desorption electrospray ionization
skos:notation
RIV/61388971:_____/11:00363441!RIV12-AV0-61388971
n5:predkladatel
n6:ico%3A61388971
n3:aktivita
n9:Z n9:I n9:S n9:P
n3:aktivity
I, P(GPP206/10/P018), P(LC545), P(ME10013), S, Z(AV0Z40550506), Z(AV0Z50200510)
n3:cisloPeriodika
3
n3:dodaniDat
n18:2012
n3:domaciTvurceVysledku
n12:4316851 n12:4140702 n12:7763581 n12:5791006 n12:3378241
n3:druhVysledku
n15:J
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
228211
n3:idVysledku
RIV/61388971:_____/11:00363441
n3:jazykVysledku
n19:eng
n3:klicovaSlova
ionization; DESI; nano-DESI; electron microscopy; mass spectrometry
n3:klicoveSlovo
n4:electron%20microscopy n4:mass%20spectrometry n4:ionization n4:DESI n4:nano-DESI
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[08837365277C]
n3:nazevZdroje
Journal of Mass Spectrometry
n3:obor
n13:CF
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
7
n3:projekt
n16:LC545 n16:GPP206%2F10%2FP018 n16:ME10013
n3:rokUplatneniVysledku
n18:2011
n3:svazekPeriodika
46
n3:tvurceVysledku
Benada, Oldřich Lemr, Karel Kofroňová, Olga Havlíček, Vladimír Kaftan, Filip Cvačka, Josef Volný, Michael
n3:wos
000288463900003
n3:zamer
n20:AV0Z50200510 n20:AV0Z40550506
s:issn
1076-5174
s:numberOfPages
6
n8:doi
10.1002/jms.1888