2015年10月22日星期四

New bacteria is found in deep sea to neutralize industrial carbon dioxide

A health research team from University of Florida has found a type of bacteria plucked from the bottom of the ocean that can be used to work neutralizing large amounts of industrial carbon dioxide in the Earth's atmosphere. As we know that carbon dioxideis a major contributor to build atmospheric greenhouse gases. It can be captured and neutralized in a sequestration process. Most carbon dioxide in the atmosphere is from fossil fuel combustion, which is a kind of flue gas. But it requires a durable, heat-tolerant enzyme to convert the carbon dioxide into a harmless compound. That's what the UF Health researchers are working on. Thiomicrospira crunogena, the new-found bacterium, can produce carbonic anhydrase which can helps remove carbon dioxide in organisms. However, a great amount of carbonic anhydrase is needed to neutralize industrial quantities of carbon dioxide. The researchers found a way to produce the enzyme without repeatedly harvesting it from the sea floor. The production of this enzyme can be completed in a laboratory — using a genetically engineered version of the common E. coli bacteria. At present, the researchers have produced several milligrams of the carbonic anhydrase. More quantities of carbonic anhydrase are need to neutralize carbon dioxide on an industrial scale. Next, the researchers will conduct more research to produce a variant of the enzyme that is both heat-tolerant and fast-acting enough that it can be used in industrial settings. And they want to increase the enzyme's stability and longevity before the enzyme is put into widespread industrial use. Let's look forward to the final results. Read more:http://www.cusabio.com/Polyclonal-Antibody/UBE2C-Antibody-HRP-conjugated-11098185.html

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