Tag: "fluoride" at biology news

Computer-designed molecule to clean up fluorocarbons?

...a sp. The enzyme enables the bacterium to pull the fluoride ion out of sodium fluoroacetate (disrupting a poisonous compound) at room temperature and without problematic metal ions. Enzymes are giant molecules, evolved to survive and work in the complex environment of a living organism; they can be difficult ...

UCSF study shows suppression of telomerase enzyme can inhibit spread of melanoma

...rally occurring sugar, combined with a radioactive fluoride atom. The metabolism of glucose can be seen throug...amma radiation produced from the positron-emitting fluoride that is detected by the PET scanner. "Now for the first time, we understand why melanomas have hi...

National Academies Advisory: March 22 news conference on fluoride in drinking water

...ntal Protection Agency has placed on the amount of fluoride allowed in drinking water is adequate to protect a...t reach or exceed the current EPA standard contain fluoride from naturally occurring sources or from contamination. The report does not examine the risks or ben...

Work on microbes earns honors for two dental researchers

...rmation, and they were the first to understand how fluoride works in the body, a significant contribution to its widespread use to protect against tooth decay. Its dental researchers also discovered how to make dental sealants better adhere to tooth enamel, leading to their widespread use to prevent dental de...

Competing proteins influence strength of tooth enamel

...Paine said, "then it might act in a similar way to fluoride in water" by making teeth harder and more resistant to decay. Paine cautioned that, just as heavy fluoridation can weaken teeth, excessive expression of DSP could be detrimental. "There might be a point where if you increase the hardness anymore, t...

Potentially harmful fluoride levels found in some instant teas

...r symptoms revealed the patient had high levels of fluoride in her urine. She then disclosed a high consumptio...out the day--which led the researchers to test for fluoride content in several brands of instant tea available on grocery store shelves. Each of the teas was te...

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(Date:4/17/2014)... the University of Texas Medical Branch at Galveston ... treated with radiation for cervical cancer should begin ... , The UTMB researchers, finding a high incidence ... treated with radiation, offer new recommendations that the ... screening about eight years after their initial cervical ...
(Date:4/17/2014)... led by the Australian National University (ANU), have ... and deep-sea temperature variability over the past 5.3 ... understand the climate surrounding ice ages over the ... the relationship between carbon dioxide levels, global temperatures ... University of Southampton (UoS) and the National Oceanography ...
(Date:4/16/2014)... 20-year assessment of Nicaragua,s legal, artisanal green sea turtle ... catch rates of turtles in what may have become ... Wildlife Conservation Society and University of Florida. , During ... 170,000 green turtles were killed between 1991 and 2011, ...
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