![]() ![]() ![]() Z. Yao, C. Dekker and P. Avouris, Topics in Applied Physics 8, eds.Hone James, Structure, Properties and Applications, eds. Structure, Properties and Applications, eds.Īnd Ph. Avorius, Topics in Applied Physics: Carbon Nanotubes Synthesis. Results reveal that CNTs behave efficiently as a hydrophobic interaction chromatographic media. During the purification, the process parameters such as pH and ionic strength of the running buffer were optimized to enhance protein purification. Skim latex protein has been used as the model protein and we aim to recover useful proteins and enzymes from this known wasteful material. Due to its nanosized structured dimension, CNTs' have tremendously large surface area and that lead to highly efficient protein purification. The CNTs produced were successfully used as column chromatographic media. The statistical analysis reveals that the optimized conditions for the best CNTs yield production at 850☌ reaction temperature, 60 min reaction time, with gas flow rates at 40 and 150 ml/min for C 2H 2 and H 2, respectively. The effects of the process parameters were examined whereby the experimental design of the investigation was conducted using Design Expert ® Version 6.0.8. The purity, morphology and the structure of CNTs were then characterized using Field Emission Scanning Microscope (FESEM), Transmission Electron Microscope (TEM) and Thermogravimetric Analysis (TGA). Carbon nanotubes (CNTs) have been successfully synthesized by using in-house fabricated Double Stage Chemical Vapor Deposition (DS-CVD) technique, using acetylene (C 2H 2) and hydrogen (H 2) as the precursor gases.
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