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− | <h6>Solar energy is the most abundant | + | <h6>Solar energy is the most abundant form of energy on earth, but is extremely hard to use. Thus scientists have been trying different methods to convert solar energy to chemical energy. To transfer light to allow sustainable production of chemicals motivates the development of <span class="home_blue">artificial photosynthetic systems</span>. Two main problems to be solved in this system are the electron transport media and enzymes to harvest excited electrons. The current transportation method either requires expensive semiconductor nanoparticles or special species which are inconvenient for gene operation. </h6> |
− | + | ||
− | + | ||
<p> </p> | <p> </p> | ||
− | <h6>What’s more, for downstream enzymes that harvest electrons, including hydrogenase and nitrogenase, we found that they are generally oxygen intolerant. So we also want to build an oxygen-isolation system.</h6> | + | <h6>What’s more, for downstream enzymes that harvest electrons, including hydrogenase and nitrogenase, we found that they are <span class="home_blue">generally oxygen-intolerant</span>. So we also want to build an oxygen-isolation system.</h6> |
<p> </p> | <p> </p> | ||
− | <h6>This year we managed to solve | + | <h6>This year we managed to solve all the problems mentioned above once and forever in synthetic biology. Our project proposes a new method to construct an <span class="home_blue">artificial photosynthetic system</span> in model organism <em>E.coli</em> with the help of metal-binding proteins and surface display machinery. In addition, using silicon encapsulation, we <span class="home_blue">overcome oxygen intolerance</span> barriers of enzymes with assistance from polymer materials. </h6> |
− | Our project proposes a new method to construct an artificial photosynthetic system in model organism <em>E.coli</em> with the help of metal-binding | + | |
<p> </p> | <p> </p> | ||
− | <h6> | + | <h6>To test the efficiency of our artificial photosynthetic system and silicon encapsulation method, we use hydrogen production as an example. We successfully achieve aerobic hydrogen production using <em>E.coli</em> hydrogenase 1 under normal conditions. What is really exciting as that our new light-driven system can also be extended to more model species including yeast and bacillus, so do the encapsulation system!</h6> |
<p> </p> | <p> </p> | ||
− | <h6> | + | <h6>The flow chart below shows how our <strong>artificial photosynthetic system</strong> and <strong>silicon encapsulation system</strong> works corporately to achieve hydrogen production!</h6> |
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<h2 style="padding-top:20px;padding-bottom:20px;">PS System Construction</h2> | <h2 style="padding-top:20px;padding-bottom:20px;">PS System Construction</h2> | ||
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<h2 style="padding-top:20px;padding-bottom:20px;">LbL Assembly</h2> | <h2 style="padding-top:20px;padding-bottom:20px;">LbL Assembly</h2> | ||
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<h2 style="padding-top:20px;padding-bottom:20px;">Encapsulation</h2> | <h2 style="padding-top:20px;padding-bottom:20px;">Encapsulation</h2> | ||
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</h6> | </h6> | ||
<h5>Email</h5> | <h5>Email</h5> | ||
− | <h6><ul><li> | + | <h6><ul><li>nanjing_china@163.com</li></ul> |
</h6> | </h6> | ||
<h5>Social media</h5> | <h5>Social media</h5> | ||
− | <h6><ul><li><a href="https:// | + | <h6><ul><li><a href="https://www.facebook.com/IGEM-Nanjing-China-392481144280345/">Facebook</a><br /></li> |
<li><a href="https://twitter.com/nanjing__china">Twitter</a></li></ul> | <li><a href="https://twitter.com/nanjing__china">Twitter</a></li></ul> | ||
</h6> | </h6> |
Latest revision as of 15:01, 19 October 2016
Abstract
Solar energy is the most abundant form of energy on earth, but is extremely hard to use. Thus scientists have been trying different methods to convert solar energy to chemical energy. To transfer light to allow sustainable production of chemicals motivates the development of artificial photosynthetic systems. Two main problems to be solved in this system are the electron transport media and enzymes to harvest excited electrons. The current transportation method either requires expensive semiconductor nanoparticles or special species which are inconvenient for gene operation.
What’s more, for downstream enzymes that harvest electrons, including hydrogenase and nitrogenase, we found that they are generally oxygen-intolerant. So we also want to build an oxygen-isolation system.
This year we managed to solve all the problems mentioned above once and forever in synthetic biology. Our project proposes a new method to construct an artificial photosynthetic system in model organism E.coli with the help of metal-binding proteins and surface display machinery. In addition, using silicon encapsulation, we overcome oxygen intolerance barriers of enzymes with assistance from polymer materials.
To test the efficiency of our artificial photosynthetic system and silicon encapsulation method, we use hydrogen production as an example. We successfully achieve aerobic hydrogen production using E.coli hydrogenase 1 under normal conditions. What is really exciting as that our new light-driven system can also be extended to more model species including yeast and bacillus, so do the encapsulation system!