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Growth of CNT in a Stainless Steel Surface by Using Gold Nanoparticle as a Catalyst for Corrosion Less Implants

Shyamal Mandal


Now a day’s maximum implant are failure due to corrosion or infection. And the infection is happened due to growth of Escheria coli, steptococus, miccrobacterium tuberculosis like bacteria. Carbon nanotubes based stainless steel implant may be the promising outcome for corrosion. Carbon nano tubes when irradiate with NIR will heat up to 70oC and it has been demonstrate that folic acid adsorbed on carbon nano tubes allow specific binding to cancer cells. And this cancer cells were destroyed upon NIR irradiation. Multiwall Carbon Nanotube (diameter 40 – 300 nm) were synthesized on the stainless steel surface via chemical vapour deposition method. Gold nano particles (size 1 – 30 nm) were used as a catalyst. The surface morphology, microstructure and were investigated by scanning electron microscopy, transmission electron microscopy. The interaction of a liquid in stainless steel surface is defined by measured by contact angle (CA), on the basis of contact angle value the CNT grown stainless steel surface defined as hydrophobic ( øc < 90o) . Most of the bacteria grown in wet surface so the contact angle measurement is very important for testing the anti-microbial property of that surface.

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