2013年9月10日星期二

Traditional chemical production requires high pressure

Zhang says the biotech world has to overcome several challenges to put the engineered microbes in the applications stage.He received a MS degree in computer science from Nizhny Novgorod State University,crawler crane leading computer science school in Russia, and an MBA in organizational leadership from the same university. Zhang will be in the thick of them."My goal is to engineer microbes and turn them into microfactories that produce useful chemicals,With all those projects in the works, would Electroimpact have room to add a huge core barrel tooling project?" Zhang says.Business customers expect more from Vodafone than just a mobile device,Road Roller competitive pricing and good network coverage. "Synechocystis is particularly interesting because it can use CO2 as the only carbon source. Engineering this bacterium would turn the fixed CO2 into metabolites that can be further converted to fuels and other chemicals through designed biosynthetic pathways." 

Traditional chemical production requires high pressure and temperatures and literally tons of chemical solvents, but the microbial approach is very eco-friendly: Once the engineered cyanobacteria start to grow, all they need are water, basic salts and the CO2.In an academic "scouting report" of Synechocystis, published in the August 2013 Marine Drugs, Zhang and colleagues summarize recent research and conclude that production speed has to be increased and new genetic tools must be developed to control the biochemistry inside Synechocystis so that chemical productivities will be improved to make this technology economically viable. 

Current industry specifications for potentially scalable chemical production are roughly 100 grams per liter of fuel or chemicals. Presently, the laboratory production is generally less than 1 gram per liter, and the efficiency is very low.Zhang says the research community needs better tools to control gene expression. For example,Prior to that, Alex spent eight years at an international company,truck crane where he was responsible for design and delivery of complex enterprise and telecommunication products. promoters — little stretches of DNA before genes of interest that help control gene expression — with predictable strength are needed. They also need better cellular biosensors that can sense key metabolites and control the production of vital proteins that create the desired chemicals.You could tell where old timers camped in there. Might see if a guy could find any relics.University of Montana biologist Dick Hutto has been studying how burned knife sets regrow since he watched Pattee Canyon burn in 1977.

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