polydopamine pda

  • A Gd-doped polydopamine (PDA)-based theranostic

    Based on widely used photoacoustic imaging (PAI) and photothermal properties of polydopamine (PDA), a multifunctional Gd–[email protected] (GPCG) nanosystem with a core–shell structure and strong imaging ability was constructed. Benefitting from the metal–organic framework (MOF)

  • Frontiers Polydopamine Nanomaterials Recent Advances in

     · Polydopamine (PDA), the final oxidation product of dopamine or other catecholamines, attracted much attention as versatile coatings that can be used to cover the surface of almost all materials with a conformal layer of adjustable thickness ranging from a few to about 100 nm. These PDA layers can be subsequently modified with molecules carrying nucleophilic groups or with metallic

  • Laser-induced graphitization of polydopamine leads to

     · Polydopamine (PDA) is a simple and versatile conformal coating material that has been proposed for a variety of uses however in practice its performance is often hindered by poor mechanical

  • Polydopamine Spheres as Active Templates for Convenient

     · In this work, monodisperse polydopamine (PDA) spheres with tunable diameters have been synthesized through a facile and low cost method using a deionized water and alcohol mixed solvent. The PDA spheres possess surface functional groups (–OH,

  • Effect of polydopamine coating on improving photostability

     · The UV-spectra analysis of polydopamine coating showed that it had a strong absorbance in ultraviolet wavelength and was very stable to it, which implied that the polydopamine was a potential photoprotection agent. 2,2-Diphenyl-1-picrylhydrazyl (DPPH) experiment further revealed that the PDA could quench free radicals, suggesting PDA was a good

  • Regulating the absorption spectrum of polydopamine

    Polydopamine (PDA) has been increasingly exploited as an advanced functional material, and its emergent light absorption property plays a crucial role in determining various utilizations. However,

  • Frontiers Recent Advances in a Polydopamine-Mediated

     · Polydopamine (PDA) is one such material and is an extremely interesting polymer, ennobled with unique featuressuch as adherence to all types of surfaces even under water, a characteristic attributed to the catechol moieties in its monomeric building blocks. The polymer, reaped by dopamine oxidation, contains indole and dopamine units in

  • Polydopamine Nanoparticles as Efficient Scavengers for

    To overcome these limitations, we develop a high-performance platform by using biodegradable polydopamine nanoparticles (PDA NPs) as smart ROS scavengers in oxidative stress-induced periodontal disease. Although PDA-based materials are well-known to eliminate ROS both in vitro and in vivo, their antioxidative performance in periodontal disease

  • Ball-milled biochar incorporated polydopamine thin-film

    Moreover, to enhance the adhesion between the active interlayer and the substrate layer, polydopamine (PDA) was introduced into the system. The PDA is mainly formed by the self-polymerization of dopamine (DA), which can also firmly attach to almost any surface of materials , .

  • Polydopamine-based nanomaterials and their potentials in

     · Polydopamine (PDA) is bioadhesive, biocompatible and biodegradable. PDA has a great photothermal conversion efficiency. PDA can be used for drug

  • Metal‐Containing Polydopamine Nanomaterials Catalysis

     · Polydopamine (PDA) is a major type of artificial melanin material with many interesting properties such as antioxidant activity, free-radical scavenging, high photothermal conversion efficiency, and strong metal-ion chelation. The high affinity of PDA to a wide range of metals/metal ions has offered a new class of functional metal-containing

  • Improved Tribological Performance of Polydopamine

     · Prior studies have shown that a polydopamine (PDA) underlayer enhances the coating durability. In this study, 100, 200, and 300 µL of aqueous silica nanoparticle (NP) dispersions were added to a 15 mL PDA deposition solution. Stainless steel substrates were coated with PDA silica in the mixed dispersions and then coated with PTFE layers to

  • A novel carbonized polydopamine (C‐PDA) adsorbent with

     · Novel carbonized polydopamine adsorbents (C-PDAs) with high surface area, high CO 2 adsorption capacity and superior moisture resistance performance were prepared by one-step synthesis method using polydopamine as carbon precursor at different KOH/C ratios, and then characterized. CO 2 and water vapor adsorption performances of C-PDAs were examined separately by static adsorption

  • Frontiers Polyarginine Decorated Polydopamine

     · Polydopamine (PDA) nanoparticles are versatile structures that can be stabilized with proteins. In this study, we have demonstrated the feasibility of developing PDA/polypeptides complexes in the shape of nanoparticles. The polypeptide can also render the nanoparticle functional. Herein, we have developed antimicrobial nanoparticles with a narrow size distribution by decorating the

  • The pH-controlled nanoparticles size of polydopamine for

     · A facile method was used to prepare polydopamine (PDA) nanoparticles. The effect of the initial pH of the dopamine solution on the formation kinetics, chemical structure, and biocompatibility of PDA nanoparticles was evaluated. Additionally, camptothecin (CPT) was chosen as a model anti-cancer drug with which to evaluate the efficiency of drug loading and release behavior of PDA nanoparticles

  • Mussel-inspired biocompatible polydopamine

     · Recently, polydopamine (PDA) was widely used as a versatile material in the applications of coatings, sensors, and medicine (Cheng et al. 2019 Faure et al. 2013 Lee et al. 2007 Patil et al. 2018 Zhang et al. 2019). Dopamine (DA) is an amino acid in mussel adhesive proteins with strong adhesion to various surface (Cui et al. 2018). DA is

  • Flexible Polydopamine BioelectronicsJin- Advanced

     · Flexible bioelectronics have attracted increasing research interests due to their wide range of potential applications in human motion detection, personal healthcare monitoring, and medical diagnosis. Recently, design and fabrication strategies integrated with mussel-inspired polydopamine (PDA) have demonstrated many appealing properties, which

  • Rapidly-Deposited Polydopamine Coating via High

     · 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 self-polymerization usually takes a long time, therefore, rapid-formation of PDA film becomes imperative for surface

  • Polydopamine antibacterial materialsMaterials Horizons

     · Recently, the development of polydopamine (PDA) has demonstrated numerous excellent performances in free radical scavenging, UV shielding, photothermal conversion, and biocompatibility. These unique properties enable PDA to be widely used as efficient antibacterial materials for various applications. Accordi Recent Review Articles

  • Stimuli-responsive polydopamine-based smart materials

     · Polydopamine (PDA), a nature inspired polymeric pigment, exhibits excellent photo-responsive properties and has active surface functionality for loading various responsive motifs, making it a promising candidate for the construction of stimuli-responsive smart functional materials.

  • Texture-Dependent Adhesion in Polydopamine Nanomembranes

     · The conformal nature of in situ polymerization of adhesive dopamine molecules permits the strong underwater adhesion between polydopamine (PDA) nanomembranes and the target substrates. However, the adhesive interaction between the postdeposit PDA nanomembranes and other macrobodies is strongly influenced by the texture of PDA nanomembranes. Here we report the texture-dependent adhesion of PDA

  • Polydopamine-based nanoreactors synthesis and

     · Polydopamine (PDA)-based nanoreactors have shown exceptional promise as multifunctional materials due to their nanoscale dimensions and sub-microliter volumes for reactions of different systems. Biocompatibility, abundance of active sites, and excellent photothermal conversion have facilitated their extensiv

  • Polydopamine Spheres as Active Templates for Convenient

     · In this work, monodisperse polydopamine (PDA) spheres with tunable diameters have been synthesized through a facile and low cost method using a deionized water and alcohol mixed solvent. The PDA spheres possess surface functional groups (–OH,

  • Versatile Polydopamine Platforms Synthesis and Promising

    As a mussel-inspired material, polydopamine (PDA), possesses many properties, such as a simple preparation process, good biocompatibility, strong adhesive property, easy functionalization, outstanding photothermal conversion efficiency, and strong quenching effect. PDA has attracted increasingly con

  • N-halamine functionalization of polydopamine coated Fe3O4

     · Synthesis of Polydopamine (PDA) coated Fe 3 O 4. To synthesize PDA coated magnetic Fe 3 O 4, 80 mg of Fe 3 O 4 and 80 mg of dopamine hydrochloride were dissolved in 40 ml of TRIS buffer solution (10 mM, pH = 8.5). After shaking for 24 h at room temperature,

  • Frontiers Applications of Polydopamine-Modified

     · Adhesion of PDA. Polydopamine deposits on organic or inorganic materials, regardless of whether the surface is hydrophilic or hydrophobic, and surface properties of composite materials are dominated (Miller et al., 2017). Although adhesion mechanisms are not clear, it is closely related to chemical compositions.

  • Polydopamine (PDA) mediated nanogranular-structured

     · A mussel-inspired polydopamine (PDA) layer was grafted onto a PEEK surface to serve as a linking layer which further mediated the liquid phase deposition of a TiO 2 coating onto it. The surface modifying TiO 2 manifests unique characteristics of a single anatase phase composition, a nanogranular-structured morphology, as well as super-hydrophilicity.

  • PDAPolydopamineAll Acronyms

    PDA means Polydopamine. PDA. Polydopamine. Abbreviation is mostly used in categories Chemistry Medical Bioengineering Biomedical Engineering. Rating 7. 7 votes.

  • Ultrathin Polydopamine Films with Phospholipid Nanodiscs

     · Polydopamine (PDA) is a highly cross-linked polymer formed by the oxidative polymerization of dopamine revealing several similarities to the naturally occurring biopolymers, melanins, and

  • Structure of polydopamine a never-ending story?

    Polydopamine (PDA) formed by the oxidation of dopamine is an important polymer, in particular, for coating various surfaces. It is composed of dihydroxyindole, indoledione, and dopamine units, which are assumed to be covalently linked. Although PDA has been applied in a manifold way, its structure i

  • Bioinspired polydopamine nanoparticles synthesis

     · Polydopamine (PDA) is a bioinspired fascinating polymer which is considered nowadays as a material of choice for designing drug delivery nanosystems.