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Updated: Aug 6, 2025

Covalent Immobilization of Proteins for the Single Molecule Force Spectroscopy
Published on: August 20, 2018
Deciphering the Mechanistic Basis for Perfluoroalkyl-Protein Interactions.
Atip Lawanprasert1, Janna N Sloand1, Mariangely González Vargas1,2
1Department of Biomedical Engineering, Pennsylvania State University, Suite 122 Chemical and Biomedical Engineering Building, University Park, PA 16802, USA.
Fluorinated compounds can modify protein structure and enhance cellular uptake. This research introduces perfluorinated amphiphiles for protein engineering, with applications in drug discovery and delivery.
Area of Science:
- Biochemistry
- Materials Science
- Chemical Biology
Background:
- Fluorine incorporation is a key strategy for protein engineering.
- Perfluorinated amphiphiles offer novel molecular modification capabilities.
Purpose of the Study:
- To investigate the use of perfluorinated amphiphiles for protein modification.
- To explore their effects on protein structure, dynamics, and cellular interactions.
- To establish structure-activity relationships for these interactions.
Main Methods:
- Biophysical techniques
- In silico modeling
- In vitro assays
- Cellular uptake studies
Main Results:
- Perfluorinated amphiphiles noncovalently decorate proteins, altering conformational plasticity.
- Perfluorononanoic acid induces non-native protein secondary structure more effectively than trifluoroethanol.
- Enhanced protein dispersion into fluorous phases and improved cellular uptake were observed.
Conclusions:
- Perfluorinated amphiphiles are effective tools for protein engineering.
- Findings inform the design of fluorinated biologics for drug discovery and delivery.
- Insights into potential perfluoroalkyl substance toxicity are provided.
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