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Fig. 1 | Journal of Nanobiotechnology

Fig. 1

From: Vascular biosafety of commercial hydroxyapatite particles: discrepancy between blood compatibility assays and endothelial cell behavior

Fig. 1

Characterization of HAp1 and HAp2: TEM images (a) and the corresponding electron diffraction patterns (insets), particles’ size distribution (b), FTIR (c) and DRX (d) spectra. HAp1 presented rod-like morphology with nanometric width and length dimensions, and low aspect ratio, and HAp2 appeared needle-like with the width in the nanometric range and the length attaining micro-dimensions, exhibiting a high aspect ratio. FTIR spectrum showed the specific bands of pure phase hydroxyapatite and XRD spectrum indicated that hydroxyapatite is the single crystalline phase present in both particles. DRX patterns were in good accordance with the standard data for the pure phase hydroxyapatite

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