Report Researchers find that going with the flow makes bacteria stick

tom_mai78101

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In a surprising new finding, researchers have discovered that bacterial movement is impeded in flowing water, enhancing the likelihood that the microbes will attach to surfaces. The new work could have implications for the study of marine ecosystems, and for our understanding of how infections take hold in medical devices.

The findings, the result of microscopic analysis of bacteria inside microfluidic devices, were made by MIT postdoc Roberto Rusconi, former MIT postdoc Jeffrey Guasto (now an assistant professor of mechanical engineering at Tufts University), and Roman Stocker, an associate professor of civil and environmental engineering at MIT. Their results are published in the journal Nature Physics.

The study, which combined experimental observations with mathematical modeling, showed that the flow of liquid can have two significant effects on microbes: “It quenches the ability of microbes to chase food,” Stocker says, “and it helps microbes find surfaces.”

That second finding could be particularly beneficial: Stocker says in some cases, that phenomenon could lead to new approaches to tuning flow rates to prevent fouling of surfaces by microbes — potentially averting everything from bacteria getting a toehold on medical equipment to biofilms causing drag on ship hulls.

Read more here.
 
I thought mankind already knew that flowing water is much cleaner and safer to drink then standing water. So why did they only now conduct studies on this to find a reason?
 
I thought mankind already knew that flowing water is much cleaner and safer to drink then standing water. So why did they only now conduct studies on this to find a reason?
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    https://www.thehelper.net/pages/news/ is a link to the old news portal - i will integrate it into the interface somewhere when i figure it out
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    See how we like that.
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    I do not see a way to go past the 1st page of posts on the forum though
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    It is OK though for the main page to open up on the forum in the view it was before. As long as the portal has its own URL so it can be viewed that way I do want to try it as a regular forum view for a while
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    It SHOULD be there so I think it might just be an artifact of having an older style.
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    I switched it to a "Standard" article forum. This will show the thread list like normal, but the threads themselves will have the first post set up above the rest of the "comments"
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    I don't really get that article forum but I think it is because I have never really seen it used on a multi post thread
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    RpNation makes more use of it right now as an example: https://www.rpnation.com/news/
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    What do you think Tom?
  • tom_mai78101 tom_mai78101:
    I will have to get used to this.
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    The latest news feed looks good
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    I would like to see it again like Ghan had it the first time with pagination though - without the pagination that view will not work but with pagination it just might...
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    This drink recipe I have had more than a few times back in the day! Mind Eraser https://www.thehelper.net/threads/cocktail-mind-eraser.194720/
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    Happy Thursday!
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    still a few hours
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    Its Friday!!!!
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    Thursday 7/10 would Thursday again
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