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How do we find out the biosynthesis of silver nanoparticles

Posted by DR VISHNU KIRAN MANAM on October 2, 2010 at 10:56am in Nanopaprika.eu
How do we find out the bio synthesis of silver nanoparticles taking place in the organisms,whether it is intracellular or extracellular and what are the pathways which are leading to the bio synthesis of silver nanoparticles.

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Replies

  • 3fysl8jyjwued May 25, 2011 at 6:59pm
    brown color changes + UV- Spectrophotometer absorption peak (420)
  • Dr. D. Inbakandan March 24, 2011 at 4:00am

    biosynthesis of silver nanopartilces by living source is the topical research. it is not the matter of fungi or algae or bacteria, it is all depends on the capping or reducing agent which triggers the reduction of silver precursors to nanosilver. literature says that the unique physio-chemical properties also varies according to the capping or reducing agent.

    i m using marine sponges as living source and synthesizing silver nanoparticles for marine biofouling control or antifouling applications.

     

  • Asher Cron December 2, 2010 at 5:19am
    Hi Vishnu - The most environmental friendly and the best route to large-scale production of silver nanoparticles is reported in this patent: www.faqs.org/patents/app/20100055199
    Ideal for capital veturists!
    • DR VISHNU KIRAN MANAM > Asher Cron December 2, 2010 at 7:00am
      Dear Asher,

      Thank u so much for the info.

      Regards
      vishnu
  • Dr. D. Inbakandan October 11, 2010 at 6:12am

    Hope the given link and the article will give an idea about the intracellular or extracellular biosynthesis of nanoparticles..

    http://www.iqm.unicamp.br/graduacao/material/qf933/nayaran-revie-bi...
    • DR VISHNU KIRAN MANAM > Dr. D. Inbakandan October 14, 2010 at 6:09am
      Thank u Mr Inbakandan for the article i will go through it but i do also have similar articles on my side.
  • kondalarao tata October 11, 2010 at 3:51am
    Reducing monosacharides in the intra or extra cellular fluids can reduce Ag+ ions into Ag nano particles
  • Meenu October 7, 2010 at 7:03am
    I guess there is no specific mechanism that aids in the biosynthesis of silver nano particle.

    In my previous research i found that one marine fungi didnt produce extra cellular fungi but when the filtrate was subjected to sonication, it gave promising results.

    whereas few soil- derived fungi produced Ag nano particles extracellularly.

    I feel that the exact mechanism and process remains skeptical
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