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Permalink Reply by Sheikh Faheem Arjamend on December 19, 2009 at 6:09am

I dont think silver Nps will show decrease in anti microbila activity as per time passes. I belive Silver Nps can show there action up to 6 moths. But there can be other parameters which will effect the accafiecy like contact with air, moisture, or method of storaging the Nps.

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Permalink Reply by Vishnu Kiran M on December 21, 2009 at 5:16am

Thank u so much for the reply , what are the various methods of storage for the greater longevity of NPS.

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Permalink Reply by Dr. Ajeet Kumar on December 26, 2009 at 3:10pm

Longevity and stability of synthesized nanoparticles mainly depend upon the method of its synthesis for example If you are using Micro emulsion System then it depends on surfactant and if you are using capping agent for the synthesis then it depends on the nature of capping agent.In my View the best method to preserve any nanoparticles is to dispersed in organic solvent bubbled with Nitrogen gas.

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Permalink Reply by Vishnu Kiran M on December 29, 2009 at 5:50am

Thank U Mr Ajeet Kumar

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Permalink Reply by GEBREKIDAN GEBRESILASSIE ESHETU on December 31, 2009 at 7:18am

Normally i do not know more with respect to their stability for medical application. Basically, the nanoparticles have high surface area and their are so sensitive to any aggressive reagent like mositure,oxygen. But, the method of your sythesis will greately affect the final product that you have and the additives incase if you used during your sythsis will also play a great role in the storage life time of your nanoparticles.

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Permalink Reply by Vishnu Kiran M on December 31, 2009 at 7:49am

Thank u

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