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  • coal induced production of a rhamnolipid biosurfactant by pseudomonas stutzeri, isolated from the formation water of jharia coalbed

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 578
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     a strain of pseudomonas stutzeri was isolated form an enrichment of perchlorate reducing bacteria from the formation water collected from an indian coalbed which solubilized coal and produced copious amount of biosurfactant when coal was added to the medium. it produced maximum biosurfactant with lignite coal followed by olive oil and soybean oil which was able to emulsify several aromatic hydrocarbons including kerosene oil, diesel oil, hexane, toluene etc. haemolytic test, growth inhibition of bacillus subtilis and ftir analysis showed rhamnolipid nature of the biosurfactant. the stability of the coal induced biosurfactant in ph range of 4–8 and up to 25% nacl concentration and 100 °c temperature suggests that due to its ability to produce biosurfactant and solubilize coal pstutzeri may be useful in the coalbed for in situ biotransformation of coal into methane and in the bioremediation of pahs from oil contaminated sites including marine environments.

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