Surface conduction of porous hydroxyapatite ceramics at elevated temperatures

Nagai, Masayuki; Nishino, Tadashi

doi:10.1016/0167-2738(88)90403-1

Cited by 62 publications

(30 citation statements)

References 6 publications

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“…The surface ionic conduction was studied in HAp by Nagai et al for humidity sensor application [15]. The permittivity of the HAp was influenced by metal ion incorporation and porosity in the sample [16,17].…”

Section: Introductionmentioning

confidence: 99%

Green synthesis of magnesium ion incorporated nanocrystalline hydroxyapatite and their mechanical, dielectric and photoluminescence properties

Arul

Kolanthai

Manikandan

et al. 2015

Materials Research Bulletin

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Section: Introductionmentioning

confidence: 99%

Green synthesis of magnesium ion incorporated nanocrystalline hydroxyapatite and their mechanical, dielectric and photoluminescence properties

Arul

Kolanthai

Manikandan

et al. 2015

Materials Research Bulletin

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“…For example, a surface ionic conductivity of both porous and dense HA bioceramics was examined for humidity sensor applications, since the room temperature conductivity was influenced by relative humidity [326]. Namely, the ionic conductivity of HA has been a subject of research for its possible use as an alcohol [327], carbon dioxide [327] or carbon monoxide [328] gas sensors.…”

Section: Electrical Propertiesmentioning

confidence: 99%

Medical Application of Calcium Orthophosphate Bioceramics

Dorozhkin¹

2011

BIO

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In the late 1960's, a strong interest was raised in biomedical applications of ceramic materials (named bioceramics a little bit later). Bioceramics was initially used as reasonable alternatives to metals in order to increase their biocompatibility. However, within a short period, it has grown into a diverse class of biomaterials, presently including three essential types: relatively bioinert, bioactive (or surface reactive) and bioresorbable bioceramics. This review is limited to bioceramics prepared from calcium orthophosphates only, which belong to the categories of bioactive and bioresorbable compounds. There have been a number of important advances in this field during the past 30 -40 years. The research was shifted from an initial study on the develop-ment of bioinert bioceramics towards bioactive and bioresorbable bioceramics, and these different types of calcium orthophosphate bioceramics can be tuned through the structural and compositional control. At the turn of the millennium, a new concept of calcium orthophosphate bioceramics has been developed to promote a regeneration of bones. Current biomedical applications of calcium orthophosphate bioceramics include artificial replacements for hips, knees, teeth, tendons and ligaments, as well as repair for periodontal disease, maxillofacial reconstruction, augmenttation and stabilization of the jawbone, spinal fusion and bone fillers after tumor surgery. Potential future applications of calcium orthophosphate bioceramics are demonstrated in drug delivery systems, effective carriers of growth factors, bioactive peptides and/or various types of cells for tissue engineering purposes.

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“…Occasionally, an interest to both electric/dielectric [304,[377][378][379][380][381][382][383][384][385][386][387][388][389][390] and piezoelectric [391,392] properties of CaPO 4 bioceramics is expressed. For example, a surface ionic conductivity of both porous and dense HA bioceramics was examined for humidity sensor applications, since the room temperature conductivity was influenced by relative humidity [378].…”

Section: Electric/dielectric and Piezoelectric Propertiesmentioning

confidence: 99%

“…Namely, such high-value biological materials, as recombinant proteins, 36 therapeutic antibodies and nucleic acids are separated and purified [781][782][783][784][785][786][787]. Finally, some types of CaPO 4 are used as a component of various sensors [377,378,382,383,388,[788][789][790][791]. However, since these subjects are almost irrelevant to bioceramics, they are not detailed further.…”

Section: Cellular Responsementioning

confidence: 99%

“…For example, a surface ionic conductivity of both porous and dense HA bioceramics was examined for humidity sensor applications, since the room temperature conductivity was influenced by relative humidity [378]. Namely, the ionic conductivity of HA has been a subject of research for its possible use as a gas sensor for alcohol [379], carbon dioxide [377,388] or carbon monoxide [382].…”

Section: Electric/dielectric and Piezoelectric Propertiesmentioning

confidence: 99%

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