IV. Surface Modifications Flashcards
Surface coatings
Bioactive surface functionalization - 3 steps
Bioactive surface functionalization - Proteins diffuses freely at distance of > 2nm
Bioactive surface functionalization - Protein can bind reversibly (adsorption) and release (desorption) directly at the interface
Bioactive surface functionalization - Bound prot. can change structurre to maximize surface interactions
Bioactive surface functionalization - All materials adsorb bioolecules in varying amounts due to:
Bioactive surface functionalization - Control of physical adsorption of biomolecules
Bioactive surface functionalization - Introducing charges to biomaterials surface
types
Bioactive surface functionalization - Introducing charges to biomaterials surface
Exposure to oxidizing agent
Bioactive surface functionalization - Introducing charges to biomaterials surface
Plasma treatement
Bioactive surface functionalization - Introducing charges to biomaterials surface
Plasma treatement
methods
Bioactive surface functionalization - Introducing charges to biomaterials surface
Coating with a charged polymer
Bioactive surface functionalization - Limitations of physical adsorption
Bioactive surface functionalization - Covalent coupling of biomolecules to materials (=chemical adsoroption)
Bioactive surface functionalization - Covalent coupling of biomolecules to materials (=chemical adsoroption)
Types
Bioactive surface functionalization - (Bio-)conjugation chemistry
Bioactive surface functionalization - Silanization of biomaterials
Bioactive surface functionalization - Surface coupling of biomolecules using a spacer
Bioactive surface functionalization - Comparison of surface immobilization strategies
Bioactive surface functionalization - bioinspired strategies
Bioactive surface functionalization - bioinspired strategies
Nacre
Bioactive surface functionalization - bioinspired strategies
Mussle adhesion and DOPA
Surface passivation-antifouling - Motivation
Surface passivation-antifouling - Facts
Surface passivation-antifouling - How to avoid protein adsorption
Surface passivation-antifouling - Self assembled monolayers (SAM)
Surface passivation-antifouling - Supported lipid bilayers (SLB)
Surface passivation-antifouling - Polymer brushes-entropic penalty
Surface passivation-antifouling - Polymer brushes-entropic penalty
Grafting to
Surface passivation-antifouling - Polymer brushes-entropic penalty
Example PLL-g PEG
Surface passivation-antifouling - Polymer brushes-entropic penalty
Grafting from
Surface passivation-antifouling - Other anti-adhesive polymer architecures
Stability and degradability