<trans-title>Calcium Silicate Nanowires Based Composite Electrospun Scaffolds: Preparation, Ion Release and Cytocompatibility</trans-title>

Feng BAO; Jiang CHANG

doi:10.15541/jim20210056

Journal of Inorganic Materials, Volume. 36, Issue 11, 1199(2021)

Calcium Silicate Nanowires Based Composite Electrospun Scaffolds: Preparation, Ion Release and Cytocompatibility

Feng BAO^1,2 and Jiang CHANG^1,2、*

¹1. State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China

²2. Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China

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Figures & Tables(12)

1. Schematic illustration of different preparation methods for calcium silicate composite electrospun scaffolds with different forms

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2. (a) XRD patterns and (b) TEM images of calcium silicate nanowires with inset in (b) showing magnified TEM image of CSH

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3. SEM images of electrospun scaffolds contained no CSH nanowires with different pore sizes

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4. SEM images of various forms of calcium silicate composite electrospun scaffolds with different pore sizes and CSH particle distributions in the scaffolds

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5. Water contact angle measurements of various forms of calcium silicate composite electrospun scaffolds with different pore sizes

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6. Effects of the different composite forms on release behavior of SiO₃^2- in calcium silicate nanowires in composite electrospun scaffolds

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7. Schematic illustrations of ions release behaviors from calcium silicate composite in electrospun scaffolds

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8. Proliferation of HUVECs after being cultured on various composite electrospun scaffolds with small pore

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9. HUVEC morphologies after being cultured on various composite electrospun scaffolds with small pore for 1 and 3 d

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Table 1. Preparation of electrospun solution with various pore size
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Table 1. Preparation of electrospun solution with various pore size
Sample Mass of PCL/g Mass of PLA/g Mass of gelatin/g Volume of HFIP/mL
5ES 0.175 0.175 0.150 10
10ES 0.350 0.350 0.300 10
18ES 0.630 0.630 0.540 10
22ES 0.770 0.770 0.660 10

Table 2. Preparation parameters of electrospun membranes with various pore size
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Table 2. Preparation parameters of electrospun membranes with various pore size
Sample Voltage/kV Flow rate / (mL·min^-1) Needle-to-collector distance/cm
5ES 10 0.02 8
10ES 12 0.05 10
18ES 15 0.08 15
22ES 18 0.20 20

Table 3. Statistical results of fiber diameter and pore diameter of electrospun scaffolds
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Table 3. Statistical results of fiber diameter and pore diameter of electrospun scaffolds
Sample Fiber diameter/μm Pore diameter/μm
5ES (0.24±0.05) (0.68±0.13)
10ES (0.82±0.16) (3.45±0.73)
18ES (4.112±0.81) (17.73±3.53)
22ES (10.27±2.04) (50.46±10.87)

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Feng BAO, Jiang CHANG. Calcium Silicate Nanowires Based Composite Electrospun Scaffolds: Preparation, Ion Release and Cytocompatibility[J]. Journal of Inorganic Materials, 2021, 36(11): 1199

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