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Pregled bibliografske jedinice broj: 587371

Characterisation of β-tricalcium phosphate-based bone substitute materials by electron paramagnetic resonance spectroscopy


Matković, Ivo; Maltar-Strmečki, Nadica; Babić-Ivančić, Vesna; Dutour Sikirić, Maja; Noethig-Laslo, Vesna
Characterisation of β-tricalcium phosphate-based bone substitute materials by electron paramagnetic resonance spectroscopy // Radiation physics and chemistry (1993), 81 (2012), 10; 1621-1628 doi:10.1016/j.radphyschem.2012.04.012 (međunarodna recenzija, članak, znanstveni)


Naslov
Characterisation of β-tricalcium phosphate-based bone substitute materials by electron paramagnetic resonance spectroscopy

Autori
Matković, Ivo ; Maltar-Strmečki, Nadica ; Babić-Ivančić, Vesna ; Dutour Sikirić, Maja ; Noethig-Laslo, Vesna

Izvornik
Radiation physics and chemistry (1993) (0969-806X) 81 (2012), 10; 1621-1628

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Biomaterials; dental implants; γ-sterilization; electron paramagnetic resonance; β-tricalcium phosphate; hydroxylapatite

Sažetak
β-TCP based materials are frequently used as dental implants. Due to their resorption in the body and direct contact with tissues, in order to inactivate bacteria, fungal spores and viruses, they are usually sterilized by γ-irradiation. However, the current literature provides little information about effects of the γ-irradiation on the formation and stability of the free radicals in the bone graft materials during and after sterilization procedure. In this work five different bone graft substitution materials, composed of synthetic beta tricalcium phosphate (β-TCP) and hydroxyapatite (HAP) present in the market were characterized by electron paramagnetic resonance (EPR) spectroscopy, X-ray powder diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and thermogravimetric analysis (TGA). Paramagnetic species Mn2+, Fe3+, trapped H-atoms and radicals were detected in the biphasic material (60% HAP, 40% β-TCP), while in β-TCP materials only Mn2+ and\or trapped hydrogen atoms were detected. EPR analysis revealed the details of the structure of these materials at the atomic level. The results have shown that EPR spectroscopy is a method which can be used to improve the quality control of bone graft materials after syntering, processing and sterilization procedure.

Izvorni jezik
Engleski

Znanstvena područja
Kemija



POVEZANOST RADA


Projekt / tema
098-0982904-2951 - Mehanizmi taloženja anorganskih biokompatibilnih i srodnih materijala (Damir Kralj, )
098-0982915-2939 - Molekulska struktura i dinamika sustava s paramagnetskim česticama (Marina Ilakovac-Kveder, )
098-0982915-2949 - Površinski aktivne tvari, procesi u otopinama i na međupovršinama (Maja Dutour Sikirić, )

Ustanove
Institut "Ruđer Bošković", Zagreb

Citiraj ovu publikaciju

Matković, Ivo; Maltar-Strmečki, Nadica; Babić-Ivančić, Vesna; Dutour Sikirić, Maja; Noethig-Laslo, Vesna
Characterisation of β-tricalcium phosphate-based bone substitute materials by electron paramagnetic resonance spectroscopy // Radiation physics and chemistry (1993), 81 (2012), 10; 1621-1628 doi:10.1016/j.radphyschem.2012.04.012 (međunarodna recenzija, članak, znanstveni)
Matković, I., Maltar-Strmečki, N., Babić-Ivančić, V., Dutour Sikirić, M. & Noethig-Laslo, V. (2012) Characterisation of β-tricalcium phosphate-based bone substitute materials by electron paramagnetic resonance spectroscopy. Radiation physics and chemistry (1993), 81 (10), 1621-1628 doi:10.1016/j.radphyschem.2012.04.012.
@article{article, year = {2012}, pages = {1621-1628}, DOI = {10.1016/j.radphyschem.2012.04.012}, keywords = {biomaterials, dental implants, γ-sterilization, electron paramagnetic resonance, β-tricalcium phosphate, hydroxylapatite}, journal = {Radiation physics and chemistry (1993)}, doi = {10.1016/j.radphyschem.2012.04.012}, volume = {81}, number = {10}, issn = {0969-806X}, title = {Characterisation of β-tricalcium phosphate-based bone substitute materials by electron paramagnetic resonance spectroscopy}, keyword = {biomaterials, dental implants, γ-sterilization, electron paramagnetic resonance, β-tricalcium phosphate, hydroxylapatite} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


Uključenost u ostale bibliografske baze podataka:


  • CA Search (Chemical Abstracts)
  • Health and Safety Science Abstracts
  • INSPEC
  • Toxicology Abstracts


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