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Mineral concentration dependent modulation of mechanical properties of bone-inspired bionanocomposite scaffold
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10.1063/1.3607283
/content/aip/journal/apl/99/1/10.1063/1.3607283
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/1/10.1063/1.3607283
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Figures

Image of FIG. 1.
FIG. 1.

(Color online) SEM overview images of (a) scaffold/porous structures of bionanocomposite consisting of polycaprolactone (PCL), hydroxyapatite (HAP), calcium carbonate (CaCO3), collagen protein, and calcium and sodium based alginate and (b) surface morphology of bionanocomposite scaffold with higher HAP concentration. The inset of Figure 1(a) shows a higher magnified SEM image of HAP spheres embedded in a collagen rich fibrous matrix. The bottom panels show EDS analysis along with the corresponding elemental compositions that are shown in the table. EDS measurements show a calcium and oxygen rich bionanocomposite system with lower HAP concentration (a) and aphosphorous-rich bionanocomposite with higher HAP concentration (b). Note: the Au signal is due to the gold coating.

Image of FIG. 2.
FIG. 2.

(Color online) Typical graphs of the load vs. indentation depth for the bionanocomposite scaffold in the case of (a) higher calcium mineralized and (b) higher phosphorous (and HAP) mineralized.

Image of FIG. 3.
FIG. 3.

(Color online) Variations in the hardness (a) and reduced modulus (b) of the nananocomposite scaffolds prepared with higher calcium (Ca) and higher phosphorous (P).

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/content/aip/journal/apl/99/1/10.1063/1.3607283
2011-07-08
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Mineral concentration dependent modulation of mechanical properties of bone-inspired bionanocomposite scaffold
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/1/10.1063/1.3607283
10.1063/1.3607283
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