Here we resolve this longstanding challenge using a mussel inspired polydopamine PD coating via a simple immersion process. The nanometer thick PD coating layer allows the formation of an SEI layer on the coating surface without perturbing the intrinsic properties of
The PDA coating layer is expected to provide uniform nucleation sites for Li metal and induce its stable deposition on PDA Cu current collector. Thus to prevent the formation and growth of Li dendrite which can significantly improve cycle performance of Li metal batteries and prolong its lifespan.
Dopamine oxidation and self polymerization have recently attracted great interest arising from the versatile chemistry of this endogenous catecholamine. Particularly interesting are the applications of polydopamine for surface coating molecular imprinting and electrochemistry which are reviewed here covering the broad fields of medicine materials science and bio analytical chemistry
contains catechol structure and amino groups which can form polydopamine PDA coating owing to the self polymerization in mild reaction conditions. The PDA coating can form hydrogen bond association electrostatic attraction chelating and covalent bond interaction with other matrix materials
Polydopamine coated sorbents also increase retention of polar analytes such as organic acids or bases 20 23 . For example polydopamine was used for coating of open tubular capillaries for separation of proteins in electrochromatography 24 and electrophoresis 25 .
This increased transmembrane pressure in the coated membranes was ascribed to the decrease in membrane permeance resulting from applying the polydopamine coating. The membrane permeance could be tuned by varying polydopamine deposition time and even at the shortest deposition times studied here a few minutes a substantial increase in
We propose to use polydopamine PDA as an insulating coating for NiTi based smart needles. PDA is a biomolecule dopamine derived polymer that can form conformal coating on various materials including NiTi. It is hypothesized that the surface temperature of the PDA coated needle can be reduced by the low thermal conductivity of PDA and the
Abstract To develop a high flux and antifouling membrane to be used in membrane bioreactor for water pretreatment a low cost polyester filter cloth was modified by coating with polydopamine PDA based on the easy self polymerization and strong adhesion characteristics of dopamine DA under mild conditions. The apertures and surface morphological changes were characterized using SEM.
Dopamine oxidation and self polymerization have recently attracted great interest arising from the versatile chemistry of this endogenous catecholamine. Particularly interesting are the applications of polydopamine for surface coating
Citation Teng R Meng Y Zhao X Liu J Ding R Cheng Y Zhang Y Zhang Y Pei D and Li A 2021 Combination of Polydopamine Coating and Plasma Pretreatment to Improve Bond Ability Between PEEK and Primary Teeth. Front. Bioeng. Biotechnol. 8 630094. doi 10.3389/fbioe.2020.630094
Therefore a fast polydopamine coating method is highly desirable. Conventional PDA coating is achieved by the oxidation of the catechol groups of dopamine monomers and their subsequently polymerization where oxygen is used as the oxidant.
Polydopamine coating is now generally accepted as the first toolbox for functionalization of virtually any material surface. Layer by layer LbL assembly is a widely used method to modify properties of versatile surfaces including organic materials metal oxides and noble metals along with polydopamine coating.
The polydopamine coating was found to be an extremely versatile platform for secondary reactions leading to tailoring of the coatings for diverse functional uses. For example the metal binding ability of catechols 26 present in the polydopamine coating was exploited to deposit adherent and uniform metal coatings onto substrates by
Meanwhile these adsorbed Ag NH 3 2 ions are in situ reduced into metallic silver nanoparticles by the bridge of the polydopamine coating and the formed Ag nanoparticles are home positioned. As polydopamine is an environmentally friendly
Polypyrrole PPy is a promising conducting polymer in bone regeneration however due to the biological inertia of the PPy surface it has poor cell affinity and bioactivity. Based on the excellent adhesion capacity biocompatibility and bioactivity of polydopamine PDA the PDA is used as a functional coating in tissue repair and regeneration.
With over a decade of research and exploration polydopamine PDA has been found to possess multiple interesting properties such as capabilities of universal coating and
Polydopamine PDA coating provides a promising approach for immobilization of biomolecules onto almost all kinds of solid substrates. However the deposition kinetics of PDA coating as a function of temperature and reaction method is not well elucidated. Since dopamine
Polydopamine Surface Coating Synergizes the Antimicrobial Activity of Silver Nanoparticles ACS Appl Mater Interfaces. 2020 Sep 912 36 . doi 10.1021/acsami.0c10517. Epub 2020 Aug 28. Authors Isabelle I Niyonshuti
Polydopamine Coating Enhances Mucopenetration and Cell Uptake of Nanoparticles ACS Appl Mater Interfaces. 2019 Feb 611 5 . doi 10.1021/acsami.8b18107. Epub 2019 Jan 29. Authors Barbara Poinard 1
Specifically the polydopamine coating allowed for tailorable functionalization via secondary reactions which opens exciting avenues for the application of exosomes. Supporting Information As a service to our authors and readers this journal provides supporting information supplied by the authors.
Rapid preparation of polydopamine coating as a multifunctional hair dye Z. F. Gao X. Y. Wang J. B. Gao and F. Xia RSC Adv. 2019 9 20492 DOI 10.1039/C9RA03177D This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC provided that the
Mussel Inspired Polydopamine Coating as a Universal Route to Hydroxyapatite Crystallization Jungki Ryu Department of Materials Science and Engineering KAIST Institute for the BioCentury KIB and the NanoCentury KINC Korea Advanced Institute of Science and Technology KAIST 335 Science Road Daejeon Republic of Korea
Inspired by marine mussel s adhesive system and facilitated transport membranes we proposed a novel strategy to simultaneously improve the MOF–polymer interface and CO 2 separation performance by coating polydopamine PDA on the surface of ZIF 8. PDA ZIF 8 played multiple roles in enhancing the membrane performance.
Polydopamine Surface Coating Synergizes the Antimicrobial Activity of Silver Nanoparticles. ACS Appl Mater Interfaces. 2020 Sep 912 36 . doi 10.1021/acsami.0c10517. Epub 2020 Aug 28.
The effect of polydopamine coating on improving photostability of polyphenylene sulfide PPS fiber was investigated in detail. Due to strong adhesion ability and self polymerization of dopamine in alkaline solution the polydopamine could be easily coated on polyphenylene sulfide fiber under mild conditions. XPS ATR FTIR and SEM which indicated the polydopamine coating was homogeneous
Polymer coatings are of central importance for many biomedical applications. In the past few years poly dopamine PDA has attracted considerable interest for various
This increased transmembrane pressure in the coated membranes was ascribed to the decrease in membrane permeance resulting from applying the polydopamine coating. The membrane permeance could be tuned by varying polydopamine deposition time and even at the shortest deposition times studied here a few minutes a substantial increase in
Effect of polydopamine coating on improving photostability of poly 1 3 4 oxadiazole s POD fiber was studied in detail. Due to strong adhesion ability of polydopamine the POD fiber could be coated easily by dopamine in Tris–HCl pH = 8.5 solution at room temperature with exist of oxygen. The polydopamine coating was characterized by SEM XPS and ATR FTIR.
Polydopamine induced hydroxyapatite coating facilitates hydroxyapatite/polyamide 66 implant osteogenesis an in vitro and in vivo evaluation Yanan Xu 1 Hong Li 2 Jieming Wu 3 Qiming Yang 1 Dianming Jiang 4 Bo Qiao1 1Department of Orthopedics The First Affiliated Hospital of Chongqing Medical University Chongqing People’s Republic of China 2Research Center for Nano
Polydopamine PDA formed by self polymerizing dopamine is coated over a lactate oxidase LOx modified MgO template carbon electrode to improve electrode stability. After one week the activity of the resultant electrode without a polydopamine film decreases to ∼60 whereas that with a PDA coating can be maintained at ∼80 .
To create the polydopamine PDA coating the DW was immersed in a Petri dish with 25 mL Buffer 0.01 M Tris–HCl pH = 8.5 containing 0.125 g dopamine hydrochloride. The Petri dish was agitated on a shaker for 24 h and washed with DI water to obtain the DW PDA. To
Polydopamine PDA coating of surfaces is a versatile strategy to fabricate functional films on various substrates which typically requires oxygen and alkaline pH. Overcoming such limitations may enhance the versatility of this technique.
The procedure for applying a polydopamine coating is quite simple. Basically the substrate is immersed in a dilute weak alkali solution of dopamine resulting in spontaneous deposition of a thin adherent polymer film .
Polyarylene sulfide sulfone membrane was surface modified by coating with polydopamine to improve its hydrophilic property and permeation performance and owing to its favorable solvent resistance it could be applied in the filtration of organic wastewater. The change in the morphology and chemical properties was ascertained by SEM and FTIR which suggested that polydopamine was
Strong antibacterial polydopamine PDA coatings prepared by a facile shaking assisted method is reported for the first time. It was found that a minor modification made to the conventional
Polydopamine induced hydroxyapatite coating facilitates hydroxyapatite/polyamide 66 implant osteogenesis an in vitro and in vivo evaluation.