Nanocrystalline biphasic resorbable calcium phosphate (HAp/β-TCP) thin film prepared by electron beam evaporation technique

Kolanthai, Elayaraja; Joshy, M.I. Ahymah; Suganthi, R.V.; Asokan, K.; Kalkura, S. Narayana

doi:10.1016/j.apsusc.2013.03.016

Cited by 14 publications

(4 citation statements)

References 40 publications

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“…Both one and two target source systems are possible. In the former case, a single electron gun is used to evaporate a CaPO 4 source [272], while, in the latter case, two independent Ca-containing (e.g., CaO) and P-containing (e.g., P 2 O 5 ) sources are evaporated simultaneously by two electron guns (a dual ion beam system). The latter case is called "simultaneous vapor deposition" and by choosing the optimum parameters, this technique allows performing a fine adjustment of the Ca/P ratio in the deposits [273,274].…”

Section: Ion Beam Assisted Deposition (Ibad)mentioning

confidence: 99%

Calcium orthophosphate deposits: Preparation, properties and biomedical applications

Dorozhkin¹

2015

Materials Science and Engineering: C

262

140

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Section: Ion Beam Assisted Deposition (Ibad)mentioning

confidence: 99%

Calcium orthophosphate deposits: Preparation, properties and biomedical applications

Dorozhkin¹

2015

Materials Science and Engineering: C

262

140

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“…The sources can be both single-target and dualtarget. In the former, a CaPO 4 source is vaporized with a single electron gun [306], while in the latter it is an independent method in which Ca-containing (e.g., CaO) and P-containing (e.g., P 2 O 5 ) sources are vaporized simultaneously with two electron guns (dual ion beam system) or an electron gun and resistance heater, respectively. CaO has a high melting point of 2572 • C and a relatively low vapor pressure, making it suitable for electron gun evaporation, while P 2 O 5 has a low melting point of 500 • C and a high vapor pressure, making resistance heater evaporation possible.…”

Section: Ion-and Electron-beam Assisted (Ibad and Ebad) Depositionsmentioning

confidence: 99%

There Are over 60 Ways to Produce Biocompatible Calcium Orthophosphate (CaPO4) Deposits on Various Substrates

Dorozhkin

2023

J. Compos. Sci.

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A The present overview describes various production techniques for biocompatible calcium orthophosphate (abbreviated as CaPO4) deposits (coatings, films and layers) on the surfaces of various types of substrates to impart the biocompatible properties for artificial bone grafts. Since, after being implanted, the grafts always interact with the surrounding biological tissues at the interfaces, their surface properties are considered critical to clinical success. Due to the limited number of materials that can be tolerated in vivo, a new specialty of surface engineering has been developed to desirably modify any unacceptable material surface characteristics while maintaining the useful bulk performance. In 1975, the development of this approach led to the emergence of a special class of artificial bone grafts, in which various mechanically stable (and thus suitable for load-bearing applications) implantable biomaterials and artificial devices were coated with CaPO4. Since then, more than 7500 papers have been published on this subject and more than 500 new publications are added annually. In this review, a comprehensive analysis of the available literature has been performed with the main goal of finding as many deposition techniques as possible and more than 60 methods (double that if all known modifications are counted) for producing CaPO4 deposits on various substrates have been systematically described. Thus, besides the introduction, general knowledge and terminology, this review consists of two unequal parts. The first (bigger) part is a comprehensive summary of the known CaPO4 deposition techniques both currently used and discontinued/underdeveloped ones with brief descriptions of their major physical and chemical principles coupled with the key process parameters (when possible) to inform readers of their existence and remind them of the unused ones. The second (smaller) part includes fleeting essays on the most important properties and current biomedical applications of the CaPO4 deposits with an indication of possible future developments.

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“…Prem et al [15] have suggested biphasic coating on pre-treated 316L SS followed by drying process at room temperature to provide high adhesion and hardness strength. Elayaraja et al [16] have also developed biphasic calcium phosphate thin film on silicon substrate.…”

Section: Introductionmentioning

confidence: 99%

“…Elayaraja et al. [16] have also developed biphasic calcium phosphate thin film on silicon substrate.…”

Section: Introductionmentioning

confidence: 99%

Electrochemical, mechanical and osseointegration evaluation of NBPC-coated 316L SS by EPD

Manonmani¹,

Vinodhini²,

Venkatachalapathy³

et al. 2018

Surface Engineering

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The effect of nano biphasic bioceramic (NBPC) coating on 316L stainless steel (316L SS) was investigated. NBPC coatings were developed on 316L SS by electrophoretic deposition process followed by vacuum sintering. The NBPC coatings were characterised by XRD, FTIR, FESEM with EDAX and AFM studies. The electrochemical performances of the coated samples were carried out by open circuit potential-time measurements, potentiodynamic polarisation and electrochemical impedance studies in Hank's solution. The electrochemical studies indicate that NBPC-coated samples have improved corrosion resistance and Vickers microhardness test showed enhancement in mechanical strength. Invitro studies with MC3T3-E1 osteoblast cell shows non-toxicity and high proliferation of NBPC-coated samples. These studies confirm the enhanced corrosion resistance, good mechanical strength with enhanced cell attachment and proliferation on the coated samples thus making it an ideal candidate for orthopaedic implants.

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Nanocrystalline biphasic resorbable calcium phosphate (HAp/β-TCP) thin film prepared by electron beam evaporation technique

Cited by 14 publications

References 40 publications

Calcium orthophosphate deposits: Preparation, properties and biomedical applications

Calcium orthophosphate deposits: Preparation, properties and biomedical applications

There Are over 60 Ways to Produce Biocompatible Calcium Orthophosphate (CaPO4) Deposits on Various Substrates

Electrochemical, mechanical and osseointegration evaluation of NBPC-coated 316L SS by EPD

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