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Materials 2016, 9(5), 350; doi:10.3390/ma9050350

Characteristics of Carbon Material Formation on SBA-15 and Ni-SBA-15 Templates by Acetylene Decomposition and Their Bioactivity Effects

1
Department of Cosmeceutics, China Medical University, Taichung 40402, Taiwan
2
Department of Health Risk Management, China Medical University, Taichung 40402, Taiwan
*
Author to whom correspondence should be addressed.
Academic Editor: Klara Hernadi
Received: 16 April 2016 / Revised: 2 May 2016 / Accepted: 3 May 2016 / Published: 9 May 2016
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Abstract

Carbon spheres and tubes were formed from acetylene decomposition on SBA-15 and Ni-SBA-15 at 650–850 °C. At 650 °C, the decomposed carbons covered the surface of the support, and no carbon spheres and filament materials were formed. Carbon sphere formation occurred at 750 °C–850 °C; with diameters ranging from 0.8 μm–1.1 μm. For Ni-SBA-15, the diameters of the spheres and filaments were 0.8 μm and 62 nm, respectively, at 650 °C. At 750 °C, the diameter of the ball carbon materials ranged from 0.7 μm–0.8 μm, the diameter of the carbon tubes formed was 120–130 nm, and their pore diameter was 8.0 nm–11 nm. At 850 °C, the diameters of ball carbon materials and carbon tubes were similar to those of the materials at the formation temperature, 750 °C. Si, O and C were the main constituents of SBA-15; Ni-SBA-15 and carbon material formation supports. High-ring PAHs (such as BaP (five rings); IND (six rings); DBA (five rings) and B[ghi]P (six rings)) exist in carbon materials. SBA-15 revealed insignificant cytotoxicity, but Ni-SBA-15 inhibited the proliferation of human lung cancer cells (A549). Less inhibition on cell viability and reactive oxidative species (ROS) generation on A549 were determined for carbon material formation on the Ni-SBA-15 compared to the Ni-SBA-15. View Full-Text
Keywords: Santa Barbara Amorphous (SBA-15); mesoporous silica; polyaromatic hydrocarbons (PAHs); human lung cancer cell-A549; reactive oxidative stress (ROS) Santa Barbara Amorphous (SBA-15); mesoporous silica; polyaromatic hydrocarbons (PAHs); human lung cancer cell-A549; reactive oxidative stress (ROS)
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Chiang, H.-M.; Cho, K.-Y.; Zeng, L.-X.; Chiang, H.-L. Characteristics of Carbon Material Formation on SBA-15 and Ni-SBA-15 Templates by Acetylene Decomposition and Their Bioactivity Effects. Materials 2016, 9, 350.

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