Study of PAMAM Dendrimers and Their Dissociation
Author Information
Author(s): Malgorzata A. Kaczorowska, Helen J. Cooper
Primary Institution: School of Biosciences, University of Birmingham
Hypothesis
The study investigates how the structure and surface groups of PAMAM dendrimers affect their electron-mediated dissociation.
Conclusion
The results indicate that electron-mediated dissociation of PAMAM dendrimers is independent of the surface group nature and occurs mainly in the innermost generations, while collision-induced dissociation is dependent on the surface group and occurs in the outermost generation.
Supporting Evidence
- ECD and EDD produced simpler mass spectra compared to CID.
- Fragmentation in ECD and EDD was dominated by cleavage at tertiary amines.
- CID showed a strong dependence on the nature of the surface groups.
Takeaway
This study looks at how different types of PAMAM dendrimers break apart when hit by electrons, finding that the way they break doesn't change much based on their surface features.
Methodology
The study used mass spectrometry techniques including ECD, EDD, and CID to analyze PAMAM dendrimers.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website