Electrophoretic deposition of chitosan

Simchi, A.; Pishbin, F.; Boccaccını, Aldo R.

doi:10.1016/j.matlet.2009.07.046

Cited by 134 publications

(112 citation statements)

References 20 publications

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“…Therefore, the deposition of CHIT is achieved via the electrophoretic motion of cationic CHIT to the cathode and the neutralization of the positively charged CHIT macromolecules in the high pH region at the cathode surface (Simchi et al 2009). The deposition process results in the formation of insoluble CHIT films:…”

Section: Chitosan-based Nanocompositesmentioning

confidence: 99%

“…The use of CHIT enables room-temperature processing of the composite coatings of controlled composition and microstructure, eliminating the problems related to the high-temperature sintering of HA S594 Review. EPD of biomaterials A. R. Boccaccini et al (Pang & Zhitomirsky 2005aSimchi et al 2009). Moreover, the use of CHIT has enabled the EPD fabrication of a new family of novel nanocomposite coatings containing other functional materials as filler.…”

Section: Chitosan-based Nanocompositesmentioning

confidence: 99%

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Electrophoretic deposition of biomaterials

Boccaccını

Keim

et al. 2010

J. R. Soc. Interface.

621

412

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Electrophoretic deposition (EPD) is attracting increasing attention as an effective technique for the processing of biomaterials, specifically bioactive coatings and biomedical nanostructures. The well-known advantages of EPD for the production of a wide range of microstructures and nanostructures as well as unique and complex material combinations are being exploited, starting from well-dispersed suspensions of biomaterials in particulate form (microsized and nanoscale particles, nanotubes, nanoplatelets). EPD of biological entities such as enzymes, bacteria and cells is also being investigated. The review presents a comprehensive summary and discussion of relevant recent work on EPD describing the specific application of the technique in the processing of several biomaterials, focusing on (i) conventional bioactive (inorganic) coatings, e.g. hydroxyapatite or bioactive glass coatings on orthopaedic implants, and (ii) biomedical nanostructures, including biopolymer-ceramic nanocomposites, carbon nanotube coatings, tissue engineering scaffolds, deposition of proteins and other biological entities for sensors and advanced functional coatings. It is the intention to inform the reader on how EPD has become an important tool in advanced biomaterials processing, as a convenient alternative to conventional methods, and to present the potential of the technique to manipulate and control the deposition of a range of nanomaterials of interest in the biomedical and biotechnology fields.

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Section: Chitosan-based Nanocompositesmentioning

confidence: 99%

Section: Chitosan-based Nanocompositesmentioning

confidence: 99%

Electrophoretic deposition of biomaterials

Boccaccını

Keim

et al. 2010

J. R. Soc. Interface.

621

412

View full text Add to dashboard Cite

show abstract

“…However, implant-associated infections are still one of the most important complications of titanium implants, which ultimately lead to their failure [10]. The biocompatibility and antibacterial properties can be enhanced by surface modifications, either by adjusting the topography [11,12] or deposition of coatings with biocompatible and antibacterial components [13][14][15].…”

Section: Introductionmentioning

confidence: 99%

“…The thickness, morphology and hydrophobicity of the coatings can be significantly controlled by the applied electric field alone during ePD. Numerous papers have been published concerning the electrophoretic deposition of chitosan coatings on stainless steel substrates [13,28,29]. Most of the papers present investigation of the kinetics of ePD of chitosan from aqueous dilute suspensions [13] and investigation of corrosion resistance of the coated steel [28].…”

Section: Introductionmentioning

confidence: 99%

“…Numerous papers have been published concerning the electrophoretic deposition of chitosan coatings on stainless steel substrates [13,28,29]. Most of the papers present investigation of the kinetics of ePD of chitosan from aqueous dilute suspensions [13] and investigation of corrosion resistance of the coated steel [28]. but the substrate preparation prior ePD and investigation its influence on coatings adhesion is not sufficiently described in the literature.…”

Section: Introductionmentioning

confidence: 99%

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Electrophoretic Deposition and Characterisation of Chitosan Coatings on Near-Β Titanium Alloy

Jugowiec¹,

Kot²,

Moskalewicz³

2016

Archives of Metallurgy and Materials

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In this study, chitosan coatings were electrophoretically deposited (EPD) on near-β Ti-13Nb-13Zr alloy. The influence of colloidal solution composition and EPD parameters on the quality of chitosan coatings was investigated. It was established that the uniformity of as-deposited chitosan coatings is highly dependent on the chemical composition of the solution used for EPD, the pH, electrophoretic mobility and zeta potential of chitosan colloidal molecules, as well as EPD parameters, such as potential difference value and deposition time. The microstructure of the coatings was investigated using electron microscopy and X-ray diffractometry. The coatings 350 nm thick were homogeneous and exhibited an amorphous structure. The coatings had low hardness and Young’s modulus. The effect of surface of the substrate preparation prior to coating deposition on the adhesion of chitosan coatings to the Ti-13Nb-13Zr alloy was also investigated. The coatings exhibited good adhesion to the non-acid-etched surface of the titanium alloy.

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