Wettability and surface free energy of polarised ceramic biomaterials.

Wettability and surface free energy of polarised ceramic biomaterials.

Biomedical materials (Bristol, England) (2015-01-15)

Miho Nakamura, Naoko Hori, Saki Namba, Takeshi Toyama, Nobuyuki Nishimiya, Kimihiro Yamashita

ABSTRACT

The surface modification of ceramic biomaterials used for medical devices is expected to improve osteoconductivity through control of the interfaces between the materials and living tissues. Polarisation treatment induced surface charges on hydroxyapatite, β-tricalcium phosphate, carbonate-substituted hydroxyapatite and yttria-stabilized zirconia regardless of the differences in the carrier ions participating in the polarisation. Characterization of the surfaces revealed that the wettability of the polarised ceramic biomaterials was improved through the increase in the surface free energies compared with conventional ceramic surfaces.

MATERIALS

Product Number

Brand

Product Description

94046

Sigma-Aldrich

Sodium phosphate dibasic solution, BioUltra, 0.5 M in H₂O

38364

Supelco

Phosphate Standard for IC, TraceCERT^®, 1000 mg/L phosphate in water (nominal concentration)

33972

Supelco

3,5,6-Trichloro-2-pyridinol, PESTANAL^®, analytical standard

71363

Supelco

Sodium carbonate, reference material for titrimetry, certified by BAM, >99.5%

71345

Sigma-Aldrich

Sodium carbonate, BioUltra, anhydrous, ≥99.5% (calc. on dry substance, T)

451614

Sigma-Aldrich

Sodium carbonate, anhydrous, powder, 99.999% trace metals basis

S7795

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223530

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223484

Sigma-Aldrich

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222321

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S2127

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791768

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900503

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Sodium carbonate, anhydrous, powder or granules, free-flowing, Redi-Dri^™, ACS reagent, ≥99.5%

900505

Sigma-Aldrich

Sodium carbonate, anhydrous, free-flowing, Redi-Dri^™, ReagentPlus^®, ≥99.5%

900504

Sigma-Aldrich

Sodium carbonate, anhydrous, free-flowing, Redi-Dri^™, ACS reagent (primary standard), 99.95-100.05% dry basis

13418

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Sodium carbonate, puriss., meets analytical specification of Ph. Eur., BP, NF, FCC, E500, anhydrous, 99.5-100.5% (calc. to the dried substance)

56169

Supelco

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643025

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643122

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490741

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255793

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Sodium phosphate dibasic, 99.95% trace metals basis

544760

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71636

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71642

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230693

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Zirconium(IV) oxide, powder, 5 μm, 99% trace metals basis

204994

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S3264

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S7907

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C2786

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