2021
DOI: 10.1016/j.biotri.2021.100163
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Simultaneous Characterization of Implant Wear and Tribocorrosion Debris within its Corresponding Tissue Response Using Infrared Chemical Imaging

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Cited by 9 publications
(15 citation statements)
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“…The SEM/EDS analysis of the pseudocapsule revealed large, mostly extracellular CoCrMo particles ranging in size from 1 µm to 7 µm (figure 6). Intracellularly, mostly chromium phosphate was observed as indicated by EDS mapping and confirmed by a strong characteristic phosphate ( ν (PO 4 3− ): 1200–900/cm) absorbance peak in their infrared spectra 10. FTIR univariate imaging of cardiac tissue demonstrated interstitial fibrosis and glycogen deposition (figure 7), which are hallmarks of cardiomyopathy pathology described by Mathlouthi and Koenig and Colagar et al 11 12.…”
Section: Resultsmentioning
confidence: 62%
“…The SEM/EDS analysis of the pseudocapsule revealed large, mostly extracellular CoCrMo particles ranging in size from 1 µm to 7 µm (figure 6). Intracellularly, mostly chromium phosphate was observed as indicated by EDS mapping and confirmed by a strong characteristic phosphate ( ν (PO 4 3− ): 1200–900/cm) absorbance peak in their infrared spectra 10. FTIR univariate imaging of cardiac tissue demonstrated interstitial fibrosis and glycogen deposition (figure 7), which are hallmarks of cardiomyopathy pathology described by Mathlouthi and Koenig and Colagar et al 11 12.…”
Section: Resultsmentioning
confidence: 62%
“…The nature of particles was studied using reflectance FTIR microscopy (Figure 1). 29 Inorganic phosphates are composed of a tetrahedral PO 4 3− anions, which in the mid‐infrared region exhibit characteristic strong and broad peak in region 1180–1000 cm −1 corresponding to asymmetric stretching vibrations, and peak in region 600–500 cm −1 corresponding to bending vibrations of phosphate anion 30–32 . Additionally, IR spectra of all samples were characterized by peaks related to the collagen network of joint capsule tissue 5 .…”
Section: Resultsmentioning
confidence: 98%
“…29 Inorganic phosphates are composed of a tetrahedral PO 4 3À anions, which in the mid-infrared region exhibit characteristic strong and broad peak in region 1180-1000 cm À1 corresponding to asymmetric stretching vibrations, and peak in region 600-500 cm À1 corresponding to bending vibrations of phosphate anion. [30][31][32] Additionally, IR spectra of all samples were characterized by peaks related to the collagen network of joint capsule tissue. 5 Spectra exhibit characteristic peaks for amides in regions 1700-1500 cm À1 and 1300-1800 cm À1 , and for lipids in region 3000-2800 cm À1 .…”
Section: Speciation In Pseudosynovial Membrane In Direct Contact With...mentioning
confidence: 99%
“…Tribological approaches generally consisted of wear studies through laboratory and clinical means, while lubrication was mainly investigated through computational methods [657]. Wear of the contact surfaces was important, as well as the characterization of wear debris with novel imaging techniques [658]. A new wear measurement technique was developed through a chemical means [659], therefore capable of differentiating the top and the bottom wear of the tibial insert in the knee implant.…”
Section: Natural Synovial Joints and Artificial Joint Replacementsmentioning
confidence: 99%