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Statistics of the Velocity Field and Spatial Distribution of Hot Spots in Methanol Masers

ABSTRACT

We present the results of the first study of statistical properties of velocity field and spatial distribution of the observed “hot spots” in methanol maser sources with available interferometric maps. Three Class I sources [DR21(OH), NGC6334IN, and L379] and one Class II source [W3(OH)] were investigated. In the majority of the sources, both the velocity difference between the pairs of spots and the average number density of the neighbors to a spot are a ...More »

 

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Figure 1 – Growth of individual [i]Bacillus amyloliquifaciens[/i] (BA) colonies (isolates 1 and 2) and B. licheniformis (isolates 3 and 4) on agarose containing MTBE (1,000 ppm vol/vol) or [i]tert[/i] butyl alcohol (500 ppm vol/vol) as sole carbon sources
Identification of a Bacillus amyloliquefaciens (BA) strain able to bioremediate methyl tertiary-butyl ether (MTBE) in vitro and in situ

ABSTRACT

Methyl tertiary-butyl ether (MTBE) is an oxygenate that allows the complete combustion of gasoline. Although it is not carcinogenic, there is rising concern about its effects on human health because of its high water solubility and some proven systemic toxicities in animals. MTBE has become a target for many bioremediation studies with some microbes already proven to be effective in bioremediating it. Recently we isolated a Bacillus amyloliquefaciens[/ ...More »
 
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JYI is supported by: The National Science Foundation, The Burroughs Wellcome Fund, Glaxo Wellcome Inc., Science Magazine, Science's Next Wave, Swarthmore College, Duke University, Georgetown University, and many others.
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