Plasma regime transition in a needle-FAPA desorption/ionization source

2016 ◽  
Vol 31 (11) ◽  
pp. 2213-2222 ◽  
Author(s):  
Jonatan Fandino ◽  
Jaime Orejas ◽  
Jorge Pisonero ◽  
Philippe Guillot ◽  
Nerea Bordel ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Atmospheric Pressure ◽  
Capillary Tube ◽  
Hypodermic Needle ◽  
Ionization Source ◽  
Stainless Steel Capillary ◽  
Cut Edge ◽  
Desorption Ionization ◽  
Plasma Device ◽  
Flowing Atmospheric Pressure Afterglow

The needle-Flowing Atmospheric Pressure Afterglow (n-FAPA) is a miniaturized plasma device with Ambient Desorption/Ionization capabilities. It is generated in flowing He using two concentric electrodes: a stainless steel capillary tube (outer electrode), and a hypodermic needle with a bevel-cut edge (inner electrode).

Tunable Ionization Modes of a Flowing Atmospheric-Pressure Afterglow (FAPA) Ambient Ionization Source

2016 ◽  
Vol 88 (7) ◽  
pp. 3494-3503 ◽  
Author(s):  
Sunil P. Badal ◽  
Shawn D. Michalak ◽  
George C.-Y. Chan ◽  
Yi You ◽  
Jacob T. Shelley
Keyword(s):  
Atmospheric Pressure ◽  
Ambient Ionization ◽  
Ionization Source ◽  
Flowing Atmospheric Pressure Afterglow

Helium conservation by discontinuous introduction in the flowing atmospheric-pressure afterglow source for ambient desorption-ionization mass spectrometry

2015 ◽  
Vol 30 (9) ◽  
pp. 2017-2023 ◽  
Author(s):  
Andrew P. Storey ◽  
Offer M. Zeiri ◽  
Steven J. Ray ◽  
Gary M. Hieftje
Keyword(s):  
Mass Spectrometry ◽  
Atmospheric Pressure ◽  
Performance Characteristics ◽  
Ionization Mass Spectrometry ◽  
Ionization Mass ◽  
Similar Performance ◽  
Desorption Ionization ◽  
Flowing Atmospheric Pressure Afterglow

Helium consumption by the FAPA source can be limited by interruption flow between analyses with similar performance characteristics.

Fundamental properties of a non-destructive atmospheric-pressure plasma jet in argon or helium and its first application as an ambient desorption/ionization source for high-resolution mass spectrometry

2014 ◽  
Vol 29 (3) ◽  
pp. 464-470 ◽  
Author(s):  
Takahiro Iwai ◽  
Anastasia Albert ◽  
Kensuke Okumura ◽  
Hidekazu Miyahara ◽  
Akitoshi Okino ◽  
...  
Keyword(s):  
Atmospheric Pressure ◽  
High Resolution Mass Spectrometry ◽  
Atmospheric Pressure Plasma ◽  
Plasma Jet ◽  
Ionization Source ◽  
Fundamental Properties ◽  
Desorption Ionization ◽  
Gas Plasma ◽  
Non Destructive ◽  
Resolution Mass

An atmospheric damage-free multi-gas plasma jet was investigated and used as an ionization source.

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