Surface modification using bio‐inspired adhesive polymers based on polyaspartamide derivatives

Abstract

The catechol functional group of dopamine (3,4‐dihydroxyphenethylamine) has the ability to form strong adhesive bonds to inorganic and organic surfaces in aqueous environments. In this study, novel adhesive polyaspartamides containing catechol pendant groups were synthesized from polysuccinimide through successive aminolysis reactions with quantitative dopamine and ethylenediamine. The adhesion and crosslinking of dopamine‐modified polyaspartamide in aqueous alkaline media was used successfully to modify the surface of various materials (including synthetic polymers, metals, metal oxides, ceramics) using a simple immersion method. Contact angle measurements, SEM and X‐ray photoelectron spectroscopy of the modified surfaces were used to verify the surface coating on a variety of materials with very different inherent wetting properties. These novel biocompatible polymers have potential industrial and biomedical applications as adhesives or coating materials for functional surface modification. Copyright © 2011 Society of Chemical Industry

Tuning photoluminescence properties of ZnO nanorods via surface modification

“…A tight, adherent polydopamine (pDA) layer can be formed on the substrate surface due to the polymerization after it is immersed in the dopamine solution for a certain period of time. Hence, dopamine and its derivatives can be used for the modification of various materials for some specific applications, like stabilizing nanomaterials [19], altering surface wettability [20], increasing corrosion resistance [21], and modifying the antifouling property [22]. In this work, the dopamine was used to modify ZnO nanorod arrays via a simple assembly method.…”

Liposomal Drug Deposits in Poly(Dopamine) Coatings: Effect of Their Composition, Cell Type, Uptake Pathway Considerations, and Shear Stress

“…Early on, it has been recognized that PDA facilitated bioconjugation since it can be modified via amines and thiols . Mixed PDA‐based films can be assembled by co‐deposition of polymers/biomolecules with DA or by chemical modification of compounds with DA . This latter aspect further promotes PDA applications, and PDA makes an even more significant alternative to films assembled via the LbL technique.…”

Oxidative Gelation of Dopamine-modified Polyaspartamides by NaIO4

“…A typical synthetic procedure for dopaminemodified polyaspartamides from PSI, the precursor polymer, has already been published in our previous report (Scheme 2). 21 PSI was synthesized and purified using a previously reported procedure. The prepared PSI had a reduced viscosity of 0.45 dL/g in DMF.…”

“…[17][18][19][20] Previously, we reported a versatile coating of DOP-conjugated polyaspartamide onto various substrates in dilute aqueous solution. 21 In this study, the oxidative gelation behavior of concentrated polyaspartamide aqueous solution was investigated along with basic characterization of the gel.…”