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Aerobic biodegradation of nonylphenol ethoxylates in shaking-flask test Electron. J. Biotechnol.
Wang,Ping; Nong,Xu-Hua; Ge,Jie-Hong.
Nonylphenol ethoxylates (NPEOs), which are widely used for industrial and domestic purposes, exert adverse effects on wildlife after being used and discharged into the environment. However, their ultimate biodegradability and biodegradation pathway remains unclear. In this study, the aerobic degradability of nonylphenol ethoxylates (NPEOs) by the acclimated microorganisms in active sludge was examined using shaking-flask tests. The degradation of benzene rings in NPEOs was determined using UV spectroscopy and high performance liquid chromatography (HPLC). Results showed that more than 80% of benzene rings were removed after 8-10 days of degradation, and the majority of NPEOs were also removed after 9 days of degradation, indicating NPEOs and the benzene...
Tipo: Journal article Palavras-chave: Aerobic biodegradation; Degradation pathway; ESI-MS; HPLC; Nonylphenol ethoxylates.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582011000400001
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In vitro Anticancer Property of Yellow Pigment fromStreptomyces griseoaurantiacus JUACT 01 BABT
Prashanthi,Kuruvalli; Suryan,Sandeep; Varalakshmi,Kilinger Nadumane.
ABSTRACT Despite the complications in isolation of pigments, microbial pigments are increasingly gaining the attention of researchers because of their broad range therapeutic potentials, especially against cancer. In this study the cytotoxic and anti proliferative potentials of yellow pigment from Streptomyces griseoaurantiacus JUACT 01 isolated from soil are investigated. The effect of pigment treatment on the growth and proliferation of in vitro cervical cancer cells (HeLa) and liver cancer cells (Hep G2) was tested by various methods. Significant cytotoxicity was observed with IC 50 values as low as 1.5 and 1.8 µg /mL with HeLa and Hep G2 cells respectively. The pigment exhibited non toxic effects on human lymphocytes. Decrease in the number of viable...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Anticancer activity; ESI-MS; Fluorescence microscopy; Streptomyces griseoaurantiacus JUACT 01; Yellow pigment.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132015000600869
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