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Chemistry

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JoVE Journal Chemistry
Analyse af komplekse molekyler og deres reaktioner på overflader ved hjælp af cluster-induceret desorption/ionisering massespektrometri
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Analyse af komplekse molekyler og deres reaktioner på overflader ved hjælp af cluster-induceret desorption/ionisering massespektrometri

Article DOI: 10.3791/60487-v • 07:53 min • March 1st, 2020
March 1st, 2020 •
*1, *1, 1, 2, 1
1Institute of Applied Physics and Center for Materials Research (LaMa), Justus Liebig University Giessen, 2Bruker Daltonik GmbH
* These authors contributed equally

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Neutrale SO2 klynger af lav kinetisk energi (< 0,8 eV/constituent) bruges til desorb komplekse overflademolekyler som peptider eller lipider til yderligere analyse ved hjælp af massespektrometri ved hjælp af et ionfældemassespektrometer. Der kræves ingen særlig prøveforberedelse, og det er muligt at observere reaktioner i realtid.

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Kemi massespektrometri klynge desorption matrixfri blød overfladeadsorbates reaktionskinetik H/D udveksling
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