Giuseppe Pezzotti

Summary

Affiliation: Kyoto Institute of Technology
Country: Japan

Publications

  1. ncbi request reprint Confocal Raman spectroscopic analysis of cross-linked ultra-high molecular weight polyethylene for application in artificial hip joints
    Giuseppe Pezzotti
    Kyoto Institute of Technology, Ceramic Physics Laboratory, Research Institute of Nanoscience, Sakyo ku, Matsugasaki, Kyoto 606 8585, Japan
    J Biomed Opt 12:014011. 2007
  2. doi request reprint Reconciling in vivo and in vitro kinetics of the polymorphic transformation in zirconia-toughened alumina for hip joints: III. Molecular scale mechanisms
    Giuseppe Pezzotti
    Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8126 Kyoto, Japan Electronic address
    Mater Sci Eng C Mater Biol Appl 71:552-557. 2017
  3. doi request reprint Reconciling in vivo and in vitro kinetics of the polymorphic transformation in zirconia-toughened alumina for hip joints: II. Theory
    Giuseppe Pezzotti
    Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8126 Kyoto, Japan Electronic address
    Mater Sci Eng C Mater Biol Appl 71:446-451. 2017
  4. doi request reprint Vibrational monitor of early demineralization in tooth enamel after in vitro exposure to phosphoridic liquid
    Giuseppe Pezzotti
    Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8585 Kyoto, Japan Department of Molecular Cell Physiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kamigyo ku, Kyoto 602 8566, Japan Electronic address
    Spectrochim Acta A Mol Biomol Spectrosc 173:19-33. 2017
  5. doi request reprint Raman spectroscopic investigation on the molecular structure of apatite and collagen in osteoporotic cortical bone
    Giuseppe Pezzotti
    Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8126 Kyoto, Japan Electronic address
    J Mech Behav Biomed Mater 65:264-273. 2017
  6. ncbi request reprint Stress dependence of optically active diamagnetic point defects in silicon oxynitride
    Giuseppe Pezzotti
    Ceramic Physics Laboratory and Research Institute for Nanoscience, Kyoto Institute of Technology, Matsugasaki, 606 8585 Kyoto, Japan
    J Phys Chem A 111:8367-73. 2007
  7. doi request reprint Surface toughness of silicon nitride bioceramics: I, Raman spectroscopy-assisted micromechanics
    Giuseppe Pezzotti
    Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8126 Kyoto, Japan Electronic address
    J Mech Behav Biomed Mater 54:328-45. 2016
  8. doi request reprint Vibrational algorithms for quantitative crystallographic analyses of hydroxyapatite-based biomaterials: I, theoretical foundations
    Giuseppe Pezzotti
    Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8126, Kyoto, Japan
    Anal Bioanal Chem 407:3325-42. 2015
  9. doi request reprint Resolving stress tensor components in space from polarized Raman spectra: polycrystalline alumina
    Giuseppe Pezzotti
    Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8585, Kyoto, Japan
    Phys Chem Chem Phys 17:2608-27. 2015
  10. doi request reprint Artificial hip joints: The biomaterials challenge
    Giuseppe Pezzotti
    Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8585 Kyoto, Japan Electronic address
    J Mech Behav Biomed Mater 31:3-20. 2014

Collaborators

Detail Information

Publications49

  1. ncbi request reprint Confocal Raman spectroscopic analysis of cross-linked ultra-high molecular weight polyethylene for application in artificial hip joints
    Giuseppe Pezzotti
    Kyoto Institute of Technology, Ceramic Physics Laboratory, Research Institute of Nanoscience, Sakyo ku, Matsugasaki, Kyoto 606 8585, Japan
    J Biomed Opt 12:014011. 2007
    ..Confocal Raman spectroscopy may also contribute to rationalize the complex effects of gamma-ray irradiation on the surface of medical grade UHMWPE for total joint replacement and, ultimately, to predict their actual lifetime in vivo...
  2. doi request reprint Reconciling in vivo and in vitro kinetics of the polymorphic transformation in zirconia-toughened alumina for hip joints: III. Molecular scale mechanisms
    Giuseppe Pezzotti
    Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8126 Kyoto, Japan Electronic address
    Mater Sci Eng C Mater Biol Appl 71:552-557. 2017
    ..It is postulated that this transport is mediated by migration of dissociated O and H elements at the surface of the stained transition metal as they become readily available by the thermally activated surrounding...
  3. doi request reprint Reconciling in vivo and in vitro kinetics of the polymorphic transformation in zirconia-toughened alumina for hip joints: II. Theory
    Giuseppe Pezzotti
    Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8126 Kyoto, Japan Electronic address
    Mater Sci Eng C Mater Biol Appl 71:446-451. 2017
    ..The updated model has been validated using systematic in vitro experiments, and appears to partly reconcile in vitro and in vivo data of t→m transformation discrepancies in ZTA hip components...
  4. doi request reprint Vibrational monitor of early demineralization in tooth enamel after in vitro exposure to phosphoridic liquid
    Giuseppe Pezzotti
    Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8585 Kyoto, Japan Department of Molecular Cell Physiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kamigyo ku, Kyoto 602 8566, Japan Electronic address
    Spectrochim Acta A Mol Biomol Spectrosc 173:19-33. 2017
    ..e., when yet invisible to other conventional analytical techniques). The proposed Raman spectroscopic algorithm might possess some generality for caries risk assessment, allowing a prompt non-contact diagnostic practice in dentistry...
  5. doi request reprint Raman spectroscopic investigation on the molecular structure of apatite and collagen in osteoporotic cortical bone
    Giuseppe Pezzotti
    Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8126 Kyoto, Japan Electronic address
    J Mech Behav Biomed Mater 65:264-273. 2017
    ....
  6. ncbi request reprint Stress dependence of optically active diamagnetic point defects in silicon oxynitride
    Giuseppe Pezzotti
    Ceramic Physics Laboratory and Research Institute for Nanoscience, Kyoto Institute of Technology, Matsugasaki, 606 8585 Kyoto, Japan
    J Phys Chem A 111:8367-73. 2007
    ....
  7. doi request reprint Surface toughness of silicon nitride bioceramics: I, Raman spectroscopy-assisted micromechanics
    Giuseppe Pezzotti
    Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8126 Kyoto, Japan Electronic address
    J Mech Behav Biomed Mater 54:328-45. 2016
    ....
  8. doi request reprint Vibrational algorithms for quantitative crystallographic analyses of hydroxyapatite-based biomaterials: I, theoretical foundations
    Giuseppe Pezzotti
    Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8126, Kyoto, Japan
    Anal Bioanal Chem 407:3325-42. 2015
    ....
  9. doi request reprint Resolving stress tensor components in space from polarized Raman spectra: polycrystalline alumina
    Giuseppe Pezzotti
    Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8585, Kyoto, Japan
    Phys Chem Chem Phys 17:2608-27. 2015
    ....
  10. doi request reprint Artificial hip joints: The biomaterials challenge
    Giuseppe Pezzotti
    Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8585 Kyoto, Japan Electronic address
    J Mech Behav Biomed Mater 31:3-20. 2014
    ..Severe challenges yet stand in optimizing the biomaterials choice for significantly extended lifetimes and reduced failure risks. Moreover, joint healing trends are expected to evolve more radically in the next few decades. ..
  11. doi request reprint Quantitative assessments of residual stress fields at the surface of alumina hip joints
    Giuseppe Pezzotti
    Ceramic Physics Laboratory and Research Institute for Nanoscience, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8585 Kyoto, Japan
    J Biomed Mater Res B Appl Biomater 95:250-62. 2010
    ....
  12. ncbi request reprint Fluorescence spectroscopic analysis of surface and subsurface residual stress fields in alumina hip joints
    Giuseppe Pezzotti
    Kyoto Institute of Technology, Ceramic Physics Laboratory and Research Institute for Nanoscience, RIN, Sakyo ku, Matsugasaki, 606 8585 Kyoto, Japan
    J Biomed Opt 11:024009. 2006
    ..Finally, an interpretation is given of microscopic wear mechanisms in Al2O3 artificial hip joints consistent with the observed evolution of surface residual stress fields on elapsed time in vivo...
  13. doi request reprint Nano-scale topography of bearing surface in advanced alumina/zirconia hip joint before and after severe exposure in water vapor environment
    Giuseppe Pezzotti
    Research Institute for Nanoscience, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, Kyoto, Japan
    J Orthop Res 28:762-6. 2010
    ..In addition, the roughness results were significantly (about one order of magnitude) lower as compared to those recorded on femoral heads made of monolithic zirconia tested under the same conditions...
  14. ncbi request reprint Stress microscopy and confocal Raman imaging of load-bearing surfaces in artificial hip joints
    Giuseppe Pezzotti
    Ceramic Physics Laboratory and Research Institute for Nanoscience, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8585 Kyoto, Japan
    Expert Rev Med Devices 4:165-89. 2007
    ..Provided that the probe response function characterizing the probe/biomaterial interaction is known, 3D residual stress fields can be determined precisely with high axial and lateral resolution...
  15. doi request reprint Wear degradation of long-term in vivo exposed alumina-on-alumina hip joints: linking nanometer-scale phenomena to macroscopic joint design
    Yasuhito Takahashi
    Ceramic Physics Laboratory and Research Institute for Nanoscience, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, Kyoto, Japan
    J Mater Sci Mater Med 23:591-603. 2012
    ..Cathodoluminescence piezo-spectroscopy provided information about the residual stress state in surfaces worn to different degrees and helped clarifying the wear mechanisms on the microscopic scale...
  16. doi request reprint Raman tensor analysis of ultra-high molecular weight polyethylene and its application to study retrieved hip joint components
    Yasuhito Takahashi
    Ceramic Physics Laboratory and Research Institute for Nanoscience, RIN, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8585 Kyoto, Japan
    Acta Biomater 6:3583-94. 2010
    ....
  17. doi request reprint On the role of oxygen vacancies, aliovalent ions and lattice strain in the in vivo wear behavior of alumina hip joints
    Yasuhito Takahashi
    Ceramic Physics Laboratory and Research Institute for Nanoscience, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8585 Kyoto, Japan
    J Mech Behav Biomed Mater 4:993-1003. 2011
    ..The present spectroscopic characterizations enable substantiating important tribochemical interactions between bearing surfaces and in vivo environment as pivotal parts of progressive events of wear degradation...
  18. doi request reprint Kinetics and the role of off-stoichiometry in the environmentally driven phase transformation of commercially available zirconia femoral heads
    Kyoju Fukatsu
    Ceramic Physics Laboratory and Research Institute for Nanoscience, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8585 Kyoto, Japan
    Acta Biomater 8:1639-47. 2012
    ..Spectroscopic experiments unveiled some new relevant aspects of surface off-stoichiometry, which lie behind the different phase transformation kinetics experienced by the investigated femoral heads...
  19. doi request reprint Non-destructively differentiating the roles of creep, wear and oxidation in long-term in vivo exposed polyethylene cups
    Giuseppe Pezzotti
    Ceramic Physics Laboratory and Research Institute for Nanoscience, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, Kyoto, Japan
    J Biomater Sci Polym Ed 22:2165-84. 2011
    ..Throughout the investigation, we compared the behaviors on the molecular scale of acetabular cups subjected to different sterilization methods (i.e., γ-irradiation and ethylene oxide treatment)...
  20. doi request reprint Evaluation of phase stability in zirconia femoral heads from different manufacturers after in vitro testing or in vivo retrieval
    Kyoju Fukatsu
    Research Institute for Nanoscience, Kyoto Institute of Technology, Sakyo ku, Kyoto, Japan
    J Arthroplasty 24:1225-30. 2009
    ..A striking finding was that, in some samples, polymorphic transformation occurred since the very early stage of the environmental exposure even if those samples belonged to new-generation products...
  21. pmc Silicon Nitride: A Synthetic Mineral for Vertebrate Biology
    Giuseppe Pezzotti
    Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8126 Kyoto, Japan
    Sci Rep 6:31717. 2016
    ..These findings are anticipated to be a starting point for further discoveries of therapeutic bone-graft substitute materials. ..
  22. doi request reprint Nondestructive inspection of phase transformation in zirconia-containing hip joints by confocal Raman spectroscopy
    Wenliang Zhu
    Kyoto Institute of Technology, Ceramic Physics Laboratory and Research Institute for Nanoscience, Sakyo ku, Matsugasaki, 606 8585 Kyoto, JapanbOsaka University Medical School, Department of Orthopedic Surgery, 2 2 Yamadaoka, 565 0871 Suita, Japan
    J Biomed Opt 18:127002. 2013
    ..This study unveils for the first time the real quantitative amount of surface phase-transformation fractions and the related subsurface profiles in zirconia-based retrieved medical samples...
  23. doi request reprint Vibrational algorithms for quantitative crystallographic analyses of hydroxyapatite-based biomaterials: II, application to decayed human teeth
    Tetsuya Adachi
    Department of Dental Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kamigyo ku, 465 Kajii cho, Kawaramachi dori, Kyoto, 602 0841, Japan
    Anal Bioanal Chem 407:3343-56. 2015
    ..The Raman procedure enabled us to trace back otherwise invisible characteristics in early caries, in the translucent zone (i.e., the advancing front of the disease) and in the body of lesion of cavitated caries. ..
  24. doi request reprint On the role of oxygen vacancies and lattice strain in the tetragonal to monoclinic transformation in alumina/zirconia composites and improved environmental stability
    Giuseppe Pezzotti
    Ceramic Physics Laboratory and Research Institute for Nanoscience, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, Kyoto, Japan
    Biomaterials 31:6901-8. 2010
    ....
  25. doi request reprint Structural profile of ultra-high molecular weight polyethylene in acetabular cups worn on hip simulators characterized by confocal Raman spectroscopy
    Leonardo Puppulin
    Kyoto Institute of Technology, Ceramic Physics Laboratory and Research Institute for Nanoscience, Sakyo ku, Matsugasaki, Kyoto, Japan
    J Orthop Res 29:893-9. 2011
    ..The highly cross-linked polyethylene showed a lower degree of crystallinity and oxidation at an appreciably slower rate as compared to that belonging to an earlier generation...
  26. ncbi request reprint Raman piezo-spectroscopic analysis of natural and synthetic biomaterials
    Giuseppe Pezzotti
    Ceramic Physics Laboratory and Research Institute for Nanoscience, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8585, Kyoto, Japan
    Anal Bioanal Chem 381:577-90. 2005
    ..Confocal spectroscopy allows acquisition of spatially resolved spectra and stress imaging with high spatial resolution...
  27. doi request reprint Wear and surface degradation of commercial ZTA femoral heads under boundary lubrication conditions
    Elia Marin
    Ceramic Physics Laboratory, Kyoto Institute of Technology, Kyoto, Japan Electronic address
    J Mech Behav Biomed Mater 65:616-626. 2017
    ..Conversely, equivalent or greater amounts of the t→m transformation were observed with water and squalene lubrication when compared to the dry wear condition...
  28. ncbi request reprint On the molecular interaction between femoral heads and polyethylene liners in artificial hip joints: phenomenology and molecular scale phenomena
    Giuseppe Pezzotti
    Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8126 Kyoto, Japan
    Biomed Mater 12:015005. 2016
    ..This research unequivocally identified a new gap in our knowledge of THA biomaterial interactions, with future studies and material improvements undoubtedly leading to an increase in longevity for prosthetic joints...
  29. doi request reprint Silicon Nitride Bioceramics Induce Chemically Driven Lysis in Porphyromonas gingivalis
    Giuseppe Pezzotti
    Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8126 Kyoto, Japan
    Langmuir 32:3024-35. 2016
    ..Exploiting the peculiar surface chemistry of Si3N4 bioceramics could be helpful in counteracting Porphyromonas gingivalis in an alkaline pH environment. ..
  30. doi request reprint Raman spectroscopy investigation of load-assisted microstructural alterations in human knee cartilage: Preliminary study into diagnostic potential for osteoarthritis
    Yasuhito Takahashi
    Ceramic Physics Laboratory and Research Institute for Nanoscience, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8585 Kyoto, Japan
    J Mech Behav Biomed Mater 31:77-85. 2014
    ..This finding suggests that the present spectroscopic approach might be useful for recognizing and quantitatively assessing the degree of osteoarthritis (OA) in its early manifestation stage. ..
  31. doi request reprint Strain-induced crystallization and orientation of vitamin E-blended ultrahigh molecular weight polyethylene
    Yasushi Okubo
    Graduate School of Engineering, Kyoto University, Yoshida Honmachi, Sakyo ku, Kyoto, Japan
    Biomed Mater Eng 19:431-9. 2009
    ..These results suggest that the addition of vitamin E to UHMWPE decreases the strain-induced crystallization and increases the strain-induced orientation of the molecular chains present in the amorphous phase...
  32. doi request reprint Validation of a protocol based on Raman and infrared spectroscopies to nondestructively estimate the oxidative degradation of UHMWPE used in total joint arthroplasty
    Leonardo Puppulin
    Department of Molecular Cell Physiology, Kyoto Prefectural University of Medicine, Kamigyo ku Hirokoji Agaru, Kawaramachi dori, 602 8566 Kyoto, Japan Electronic address
    Acta Biomater 38:168-78. 2016
    ....
  33. doi request reprint Raman spectroscopic study of remelting and annealing-induced effects on microstructure and compressive deformation behavior of highly crosslinked UHMWPE for total hip arthroplasty
    Yasuhito Takahashi
    Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, Kyoto 606 8585, Japan Department of Orthopaedic Surgery, Tokyo Medical University, 6 7 1 Nishishinjuku, Shinjuku ku, Tokyo 160 0023, Japan
    J Biomed Mater Res B Appl Biomater 102:1762-70. 2014
    ..However, all the investigated liners exhibited the significantly low values of surface anisotropy, which could be equally efficient in minimizing strain-softening-assisted wear phenomena...
  34. doi request reprint Cathodoluminescence and Raman spectroscopic analyses of Nd- or Yb-doped Y2O3 transparent ceramics
    Wenliang Zhu
    Ceramic Physics Laboratory, Kyoto Institute of Technology, Matsugasaki, Sakyo ku, 606 8585 Kyoto, Japan
    J Phys Chem A 117:3599-607. 2013
    ..We also confirmed that the combination of Raman and CL spectroscopies leads to a reliable and useful methodology for the examination of dopants in yttria ceramic materials...
  35. ncbi request reprint Raman spectroscopic analysis of phase-transformation and stress patterns in zirconia hip joints
    Giuseppe Pezzotti
    Kyoto Institute of Technology, Ceramic Physics Laboratory and Research Institute for Nanoscience, RIN, Sakyo ku, Matsugasaki, 606 8585 Kyoto, Japan
    J Biomed Opt 9:372-84. 2004
    ....
  36. doi request reprint Polarized Raman analysis of the molecular rearrangement and residual strain on the surface of retrieved polyethylene tibial plates
    Leonardo Puppulin
    Ceramic Physics Laboratory and Research Institute for Nanoscience, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8585 Kyoto, Japan
    Acta Biomater 7:1150-9. 2011
    ....
  37. doi request reprint Raman spectroscopy of human skin: looking for a quantitative algorithm to reliably estimate human age
    Giuseppe Pezzotti
    Kyoto Institute of Technology, Ceramic Physics Laboratory, Sakyo ku, Matsugasaki, Kyoto 606 8126, JapanbLoma Linda University, Department of Orthopedic Research, Department of Orthopaedics, 11406 Loma Linda Drive, Suite 606 Loma Linda, California 92354, U
    J Biomed Opt 20:065008. 2015
    ..Once statistically validated, these parameters might be used to link vibrational aspects at the molecular scale for practical forensic purposes...
  38. pmc Microstructural modifications induced by accelerated aging and lipid absorption in remelted and annealed UHMWPEs for total hip arthroplasty
    Leonardo Puppulin
    Department of Molecular Cell Physiology, Kyoto Prefectural University of Medicine, Kamigyo ku Hirokoji Agaru, Kyoto, Japan
    J Biomater Appl 29:791-800. 2015
    ....
  39. doi request reprint Structural modifications induced by compressive plastic deformation in single-step and sequentially irradiated UHMWPE for hip joint components
    Leonardo Puppulin
    Ceramic Physics Laboratory and Research Institute for Nanoscience, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8585 Kyoto, Japan Electronic address
    J Mech Behav Biomed Mater 31:86-99. 2014
    ..The sequentially irradiated material was more resistant to plastic deformation and, for the same magnitude of residual plastic strain, possessed a higher capacity of recovery as compared to the single-step irradiated one. ..
  40. doi request reprint Innovative tribometer for in situ spectroscopic analyses of wear mechanisms and phase transformation in ceramic femoral heads
    Leonardo Puppulin
    Ceramic Physics Laboratory and Research Institute for Nanoscience, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8585 Kyoto, Japan Electronic address
    J Mech Behav Biomed Mater 31:45-54. 2014
    ..In situ collected data compared to ex situ analyses elucidated the surface degradation processes and clarified the origin for the higher wear resistance of the composite as compared to the monolithic couple. ..
  41. doi request reprint Surface modifications induced by in-vitro wear and oxidation on γ-irradiated UHMWPE hip liners belonging to different commercial generations
    Leonardo Puppulin
    Department of Molecular Cell Physiology, Kyoto Prefectural University of Medicine, Kamigyo ku Hirokoji Agaru, Kawaramachi dori, 602 8566 Kyoto, Japan Electronic address
    J Mech Behav Biomed Mater 53:414-26. 2016
    ..Differences in crystallinity profiles observed at the wear zone of liners with different thicknesses were correlated to the higher contact stress experienced by thinner liners...
  42. doi request reprint A comparative microstructural study of vitamin-E blended and infused highly crosslinked UHMWPE for total knee arthroplasty
    Leonardo Puppulin
    Ceramic Physics Laboratory and Research Institute for Nanoscience, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8585 Kyoto, Japan
    J Mech Behav Biomed Mater 39:247-56. 2014
    ....
  43. doi request reprint Bioinertness and fracture toughness evaluation of the monoclinic zirconia surface film of Oxinium™ femoral head by Raman and cathodoluminescence spectroscopy
    Andrea Leto
    Piezotech Japan Ltd, Sakyo ku, Ichijouji, Makaihata cho 4, 606 8126 Kyoto, Japan
    J Mech Behav Biomed Mater 31:135-44. 2014
    ..In addition, cathodoluminescence spectroscopy provided new evidences on both the oxygen vacancy gradient developed during the metal-oxidation manufacturing process and the bioinertness of Oxinium™ femoral components. ..
  44. ncbi request reprint Stress perturbation method for the assessment of cathodoluminescence probe response functions
    Wenliang Zhu
    Ceramic Physics Laboratory and Research Institute for Nanoscience, RIN, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, 606 8585 Kyoto, Japan
    Appl Spectrosc 63:185-91. 2009
    ..On the other hand, the occurrence of self-absorption in the case of R-line photons in ruby resulted in a significantly broadened CL probe with respect to the average scattering length of electrons...
  45. ncbi request reprint Study of the toughening mechanisms in bone and biomimetic hydroxyapatite materials using Raman microprobe spectroscopy
    Giuseppe Pezzotti
    Ceramic Physics Laboratory, Department of Materials, Kyoto Institute of Technology, Sakyo ku, Matsugasaki, Kyoto 606 8585, Japan
    J Biomed Mater Res A 65:229-36. 2003
    ..Using the Raman piezo-spectroscopy technique, toughening mechanisms were assessed quantitatively and rationally related to the macroscopic fracture characteristics of hydroxyapatite-based materials...
  46. ncbi request reprint Mechanical properties of dental zirconia ceramics changed with sandblasting and heat treatment
    Hideo Sato
    Department of Biomaterials Science, Graduate School of Medical and Dental Sciences, Kagoshima University, 8 35 1 Sakuragaoka, Kagoshima 890 8544, Japan
    Dent Mater J 27:408-14. 2008
    ..With the occurrence of such a strengthening mechanism in the microstructure, it was concluded that CZA was more susceptible to stress-induced transformation than Y-TZP...
  47. ncbi request reprint Possible triggers for phase transformation in zirconia hip balls
    Sharon S Brown
    Joint Research Center, Peterson Tribology Laboratory, Loma Linda University and Medical Center, Loma Linda, California, USA
    J Biomed Mater Res B Appl Biomater 85:444-52. 2008
    ..This indicated that we understand little of the hydrothermal conditions operating under Zr/PE hip joints in-vivo...
  48. ncbi request reprint Surface micro-analyses of long-term worn retrieved "Osteal" alumina ceramic total hip replacement
    Toshiyuki Tateiwa
    Orthopaedic Research Center and Peterson Tribology Laboratory, Department of Orthopaedic Surgery, Loma Linda University Medical Center, California, USA
    J Biomed Mater Res B Appl Biomater 83:562-70. 2007
    ..Fluorescence microprobe maps showed that Biolox ball surfaces had higher compressive stress than the Osteal likely due to severe impingement and microseparation promoted by the bulky implant design...
  49. ncbi request reprint Strain in UHMWPE for orthopaedic use studied by Raman microprobe spectroscopy
    Masayuki Kyomoto
    Research and Development Corporate Division, Japan Medical Materials Corporation, Uemura Nissei Bldg 9F 3 3 31 Miyahara, Yodogawa ku, Osaka 532 0003, Japan
    J Biomater Sci Polym Ed 18:165-78. 2007
    ..Thus, Raman microprobe spectroscopy is a very effective method for analyzing UHMWPE for orthopaedic use...