Use of advantageous, volatile matrices enabled by next-generation high-speed matrix-assisted laser desorption/ionization time-of-flight imaging employing a scanning laser beam

2015 ◽  
Vol 29 (23) ◽  
pp. 2195-2203 ◽  
Author(s):  
Nina Ogrinc Potočnik ◽  
Tiffany Porta ◽  
Michael Becker ◽  
Ron M. A. Heeren ◽  
Shane R. Ellis
Keyword(s):  
Laser Beam ◽  
High Speed ◽  
Time Of Flight ◽  
Laser Desorption ◽  
Laser Desorption Ionization ◽  
Ionization Time ◽  
Desorption Ionization ◽  
Time Of Flight Imaging ◽  
Matrix Assisted Laser ◽  
Matrix Assisted Laser Desorption

Distinctive mass losses of tryptic peptides generated by matrix-assisted laser desorption/ionization time-of-flight/time-of-flight

2006 ◽  
Vol 20 (5) ◽  
pp. 933-936 ◽  
Author(s):  
Frank Schmidt ◽  
Alexander Krah ◽  
Monika Schmid ◽  
Peter R. Jungblut ◽  
Bernd Thiede
Keyword(s):  
Time Of Flight ◽  
Laser Desorption ◽  
Flight Time ◽  
Laser Desorption Ionization ◽  
Tryptic Peptides ◽  
Ionization Time ◽  
Desorption Ionization ◽  
Mass Losses ◽  
Matrix Assisted Laser ◽  
Matrix Assisted Laser Desorption

scholarly journals Characterization of Cryptosporidium parvum by Matrix-Assisted Laser Desorption Ionization–Time of Flight Mass Spectrometry

2000 ◽  
Vol 66 (11) ◽  
pp. 4720-4724 ◽  
Author(s):  
Matthew L. Magnuson ◽  
James H. Owens ◽  
Catherine A. Kelty
Keyword(s):  
Mass Spectrometry ◽  
Cryptosporidium Parvum ◽  
Time Of Flight ◽  
Laser Desorption ◽  
Laser Desorption Ionization ◽  
Ionization Time ◽  
Desorption Ionization ◽  
Flight Mass Spectrometry ◽  
Matrix Assisted Laser ◽  
Matrix Assisted Laser Desorption

ABSTRACT Matrix-assisted laser desorption ionization–time of flight mass spectrometry (MALDI-TOF MS) was used to investigate whole and freeze-thawed Cryptosporidium parvum oocysts. Whole oocysts revealed some mass spectral features. Reproducible patterns of spectral markers and increased sensitivity were obtained after the oocysts were lysed with a freeze-thaw procedure. Spectral-marker patterns forC. parvum were distinguishable from those obtained forCryptosporidium muris. One spectral marker appears specific for the genus, while others appear specific at the species level. Three different C. parvum lots were investigated, and similar spectral markers were observed in each. Disinfection of the oocysts reduced and/or eliminated the patterns of spectral markers.

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