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         <p id="u2687-2">CO to CO2 Converter &amp; CO Monitoring System</p>
         <p id="u2687-2">CO to CO2 Converter &amp; CO Monitoring System</p>
         <p id="u2687-3">&nbsp;</p>
         <p id="u2687-3">&nbsp;</p>
         <p id="u2687-5">Carbon monoxide is a highly toxic gas which is undetectable by humans and it is fatal when inhaled. We’ve developed a biological device that comprises of both a qualitative detector for this dangerous gas and a conversion system to transform it into carbon dioxide. As for detection, CO sensitive promoters pCooM and pCooF from Rhodosprillum rubrum will initiate the production of fluorescent proteins in the presence of CO. Optic sensors will be used to track the production of these proteins and if the sensors pick up data indicating that CO is present; an alarm will be triggered. Meanwhile, the conversion system of our device will utilize a Cyanobacteria enzyme called Carbon Monoxide Dehydrogenase (CODH), which converts CO into CO2. We also have a kill&#45;switch design based on the lac&#45;operon. The kill&#45;switch mechanism will be activated to avoid any contamination of the environment, in case the altered bacteria escape the device.</p>
         <p id="u2687-5">Carbon monoxide is a highly toxic gas which is undetectable by humans and it is fatal when inhaled. We’ve developed a biological device that comprises of both a qualitative detector for this dangerous gas and a conversion system to transform it into carbon dioxide. As for detection, CO sensitive promoters pCooM and pCooF from Rhodosprillum rubrum will initiate the production of fluorescent proteins in the presence of CO. Optic sensors will be used to track the production of these proteins and if the sensors pick up data indicating that CO is present; an alarm will be triggered. Meanwhile, the conversion system of our device will utilize a Cyanobacteria enzyme called Carbon Monoxide Dehydrogenase (CODH), which converts CO into CO2. We also have a kill&#45;switch design based on the lac&#45;operon. The kill&#45;switch mechanism will be activated to avoid any contamination of the environment, in case the altered bacteria escape the device.</p>
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        <p id="u3195-2"><span id="u3195">In this page, you can find out the computational modelling for our design and finished system.</span></p>
 +
        <p id="u3195-3">&nbsp;</p>
 +
        <p id="u3195-5"><span id="u3195-4">Carbon monoxide</span></p>
 +
        <p id="u3195-6">&nbsp;</p>
 +
        <p id="u3195-8"><span id="u3195-7">Wıth our research we were able to find out that 1500 ppm of CO gas means death in an hour. To make calculations we need to convert this value into something we can work with easily, such as moles.</span></p>
 +
        <p id="u3195-9">&nbsp;</p>
 +
        <p id="u3195-11"><span id="u3195-10">1500 ppm = 0.15%</span></p>
 +
        <p id="u3195-12">&nbsp;</p>
 +
        <p id="u3195-14"><span id="u3195-13">If we take a 30 meter squared room with 3 meter ceiling height, the overall volume of the room is 90m^3 which equates to 90000 liters.</span></p>
 +
        <p id="u3195-15">&nbsp;</p>
 +
        <p id="u3195-16">&nbsp;</p>
 +
        <p id="u3195-17">&nbsp;</p>
 +
        <p id="u3195-18">&nbsp;</p>
 +
        <p id="u3195-19">&nbsp;</p>
 +
        <p id="u3195-20">&nbsp;</p>
 +
        <p id="u3195-22"><span id="u3195-21">By using Ideal Gas Law, we can say that the amount of moles of CO present in 135 Liters is around about 4 moles. So what we have learned? In a big size room, there should be at least 4 moles of CO molecules for it to be considered as deadly.</span></p>
 +
        <p id="u3195-23">&nbsp;</p>
 +
        <p id="u3195-25">CODH Activity</p>
 +
        <p id="u3195-26">&nbsp;</p>
 +
        <p id="u3195-28"><span id="u3195-27">Even though we were not able to find detailed parameters for this particular enzyme, we were able to work out a very simple formula to calculate the amount of CO we will be able to convert each second.</span></p>
 +
        <p id="u3195-29">&nbsp;</p>
 +
        <p id="u3195-31"><span id="u3195-30">r = CODH activity rate</span></p>
 +
        <p id="u3195-33"><span id="u3195-32">p = plasmid copy number</span></p>
 +
        <p id="u3195-35"><span id="u3195-34">b = amount of bacteria</span></p>
 +
        <p id="u3195-37"><span id="u3195-36">s = synthesis rate</span></p>
 +
        <p id="u3195-39"><span id="u3195-38">[CO]=amount of CO (moles)</span></p>
 +
        <p id="u3195-41">A = fraction of CO converted</p>
 +
        <p id="u3195-42">&nbsp;</p>
 +
        <p id="u3195-44"><span id="u3195-43">*Lets call r.p.b.s: &quot;c&quot; since we can assume that it will stay constant.</span></p>
 +
        <p id="u3195-46"><span id="u3195-45">*Our calculations show that &quot;c = 31777209688000&quot; or &quot;3.2 x 10^14&quot;</span></p>
 +
        <p id="u3195-47">&nbsp;</p>
 +
        <p id="u3195-49">When we divide c by the Avagadro number we can find out what fraction of moles of CO we will be able to convert each time frame. Even though &quot;c&quot; seems like a huge number, the Avagadro number is much bigger.</p>
 +
        <p id="u3195-50">&nbsp;</p>
 +
        <p id="u3195-52">3.2 x 10^14 / 6.02 x 10^23&nbsp; =&nbsp; 0.5 x 10^&#45;9</p>
 +
        <p id="u3195-53">&nbsp;</p>
 +
        <p id="u3195-55"><span id="u3195-54">This mans that we are able to convert roughly 0.000000001 of the CO available each second.</span></p>
 +
        <p id="u3195-56">&nbsp;</p>
 +
        <p id="u3195-58"><span id="u3195-57">Here is a little script we wrote with Python programming language with modules &quot;matplotlib&quot; and &quot;numPy&quot;:</span></p>
 +
        <p id="u3195-59">&nbsp;</p>
 +
        <p id="u3195-64"><span id="u3195-60">from</span><span id="u3195-61">&nbsp;pylab</span><span id="u3195-62">&nbsp;import</span><span id="u3195-63">&nbsp;*</span></p>
 +
        <p id="u3195-65">&nbsp;</p>
 +
        <p id="u3195-67">timer = 0</p>
 +
        <p id="u3195-69">f = 0.000000001</p>
 +
        <p id="u3195-72">s = 7200 <span id="u3195-71">#seconds</span></p>
 +
        <p id="u3195-75">co = 4 <span id="u3195-74"># moles</span></p>
 +
        <p id="u3195-78">co2 =0 <span id="u3195-77"># moles</span></p>
 +
        <p id="u3195-80">values = [ ]</p>
 +
        <p id="u3195-81">&nbsp;</p>
 +
        <p id="u3195-88"><span id="u3195-82">for</span>&nbsp;i<span id="u3195-84">&nbsp;in</span>&nbsp;<span id="u3195-86">range</span>(s):</p>
 +
        <p id="u3195-90">&nbsp;&nbsp;&nbsp; co2 = co2 + co*f</p>
 +
        <p id="u3195-92">&nbsp;&nbsp;&nbsp; co = co &#45; co2</p>
 +
        <p id="u3195-96">&nbsp;&nbsp;&nbsp; <span id="u3195-94">if </span>co &lt;= 0:</p>
 +
        <p id="u3195-99">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span id="u3195-98">&nbsp;break</span></p>
 +
        <p id="u3195-101">&nbsp;&nbsp;&nbsp; values.append(co2)</p>
 +
        <p id="u3195-103">&nbsp;&nbsp;&nbsp; timer += 1</p>
 +
        <p id="u3195-104">&nbsp;</p>
 +
        <p id="u3195-106">x = arange(0,timer,1)</p>
 +
        <p id="u3195-108">plot(x,values)</p>
 +
        <p id="u3195-109">&nbsp;</p>
 +
        <p id="u3195-113">xlabel(<span id="u3195-111">'time (s)'</span>)</p>
 +
        <p id="u3195-117">ylabel(<span id="u3195-115">'CO2 (moles)'</span>)</p>
 +
        <p id="u3195-121">title(<span id="u3195-119">'CO2 &#45; Time'</span>)</p>
 +
        <p id="u3195-125">grid(<span id="u3195-123">True</span>)</p>
 +
        <p id="u3195-127">show()</p>
 +
        <p id="u3195-128">&nbsp;</p>
 +
        <p id="u3195-129">&nbsp;</p>
 +
        <p id="u3195-131"><span id="u3195-130">Please note that, even though we are subtracting the amount of CO converted from the initial CO value, the graph still does not have a visible curve to it. It is obvious that even though we are able to convert a huge number of CO molecules each given second, there are way to much CO then our system can convert.</span></p>
 +
        <p id="u3195-132">&nbsp;</p>
 +
        <p id="u3195-134"><span id="u3195-133">By increasing the surface are of the single&#45;layer e&#45;coli colonies, for example take a 10 x 10 grid of the same exact system, we can achieve 100 times more efficient converters which can shave of two 0's from the results.</span></p>
 +
        <p id="u3195-135">&nbsp;</p>
 +
        <p id="u3195-137"><span id="u3195-136">Down below you can see the photos of the colonies we were able to get and the elctronic circuit design.</span></p>
 +
        <p id="u3195-138">&nbsp;</p>
 +
        <p id="u3195-139">&nbsp;</p>
 +
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        <div class="clip_frame grpelem" id="u3883"><!-- image -->
 +
        <img class="block" id="u3883_img" src="http://fisofowi.netii.net/images/elec2.jpg" alt="" width="428" height="257" />
 +
        </div>
 +
        <div class="clip_frame grpelem" id="u3888"><!-- image -->
 +
        <img class="block" id="u3888_img" src="http://fisofowi.netii.net/images/elec1.jpg" alt="" width="421" height="253" />
 +
        </div>
 +
      </div>
 +
      <div class="clearfix colelem" id="u3893-4"><!-- content -->
 +
        <p>Trying out the color sensor. Red pen on the sensor light up red. Blue ruler on top, blue light.</p>
 +
      </div>
 +
      <div class="clip_frame colelem" id="u3878"><!-- image -->
 +
        <img class="block" id="u3878_img" src="http://fisofowi.netii.net/images/gel.jpg" alt="" width="428" height="321" />
 +
      </div>
 +
      </div>
 +
      <div class="TabbedPanelsContent invi clearfix grpelem" id="u1382"><!-- group -->
 +
      <div class="clearfix grpelem" id="u3206-41"><!-- content -->
 +
        <p id="u3206-2">Today, improving technology and ideas lead students to be the constructors of better future. That’s why as METU DF High School iGEM 2014 team we made researches and experiments to widen the perspective of what synthetic biology can achieve. We know that synthetic biology is the way of constructing core components which can be modeled by merging them with the fundamentals of biology. We assume that by the efficient use of synthetic biology we can lighten the way through future and save many lives.</p>
 +
        <p id="u3206-3">&nbsp;</p>
 +
        <p id="u3206-5">Therefore, this year we worked hard to put forth an experiment that can lead the way to our better future. As METU HS iGEM team, we believe that synthetic biology is a tool that can turn the world to a better place. And iGEM is an opportunity for us to show people that synthetic biology is helpful for the humankind. That's why we did many events to introduce people synthetic biology. We have given a bake sale which included bacteria &amp; DNA muffins and x&#45;ray crystallography cake.</p>
 +
        <p id="u3206-6">&nbsp;</p>
 +
        <p id="u3206-7">&nbsp;</p>
 +
        <p id="u3206-8">&nbsp;</p>
 +
        <p id="u3206-9">&nbsp;</p>
 +
        <p id="u3206-10">&nbsp;</p>
 +
        <p id="u3206-11">&nbsp;</p>
 +
        <p id="u3206-12">&nbsp;</p>
 +
        <p id="u3206-13">&nbsp;</p>
 +
        <p id="u3206-14">&nbsp;</p>
 +
        <p id="u3206-15">&nbsp;</p>
 +
        <p id="u3206-16">&nbsp;</p>
 +
        <p id="u3206-17">&nbsp;</p>
 +
        <p id="u3206-18">&nbsp;</p>
 +
        <p id="u3206-19">&nbsp;</p>
 +
        <p id="u3206-20">&nbsp;</p>
 +
        <p id="u3206-21">&nbsp;</p>
 +
        <p id="u3206-22">&nbsp;</p>
 +
        <p id="u3206-24">The muffins got retweeted by the iGEM HQ!</p>
 +
        <p id="u3206-25">&nbsp;</p>
 +
        <p id="u3206-26">&nbsp;</p>
 +
        <p id="u3206-27">&nbsp;</p>
 +
        <p id="u3206-29">Furthermore we interviewed some students in our school to see how much they know about synthetic biology world. We decorated our school with DNA's and posters of our team on DNA day. Also as METU HS iGEM team we have attended to a Synthetic Biology Day to expand our knowledge. It is important for the next generations to be familiar with synthetic biology, in order to achieve this we gave a presentation to 7 and 8th graders. We have informed them about iGEM and biology. And our aim is to present iGEM to everyone to convince people that synthetic biology is useful. So we have told people about our team and iGEM at the opening of an ODTU DF school in Denizli. In order to maintain our goal we believed that a sale of work will be a nice introduction of iGEM and synthetic biology. We cooked cupcakes in order to sale and we designed them as bacteria and everything about synthetic biology. Secondly, we also designed an enormous DNA shaped gumdrop. The most critical part was we recommended iGEM and talk with them about the project we were doing. Our main purpose was to make people know what synthetic biology is and create awareness about these topics. To conclude we have tried and we are still trying to spread synthetic biology in order to acknowledge human. As METU DF High School iGEM 2014 team we work hard to settle the importance of synthetic biology by referring various projects.</p>
 +
        <p id="u3206-30">&nbsp;</p>
 +
        <p id="u3206-32">We believe that awareness and education is the key of action, acceptance and understanding. Our project contains lots of valuable experiments that can prove the useful remedies of the efficient use of synthetic biology.</p>
 +
        <p id="u3206-33">&nbsp;</p>
 +
        <p id="u3206-38">You can find every photo and video we referred to at the fun page by following this<a class="nonblock" href="https://2014hs.igem.org/Team:METUHS-Ankara/fun.html">&nbsp;link</a>&nbsp;or find it at the extras page!</p>
 +
        <p id="u3206-39">&nbsp;</p>
 +
      </div>
 +
      <div class="clip_frame grpelem" id="u3207"><!-- image -->
 +
        <img class="block" id="u3207_img" src="http://fisofowi.netii.net/images/tweet.jpg" alt="" width="589" height="355" />
       </div>
       </div>
       </div>
       </div>
-
      <div class="TabbedPanelsContent invi grpelem" id="u332"><!-- simple frame --></div>
 
-
      <div class="TabbedPanelsContent invi grpelem" id="u1382"><!-- simple frame --></div>
 
       <div class="TabbedPanelsContent invi clearfix grpelem" id="u2488"><!-- group -->
       <div class="TabbedPanelsContent invi clearfix grpelem" id="u2488"><!-- group -->
       <div class="PamphletWidget clearfix grpelem" id="pamphletu2946"><!-- none box -->
       <div class="PamphletWidget clearfix grpelem" id="pamphletu2946"><!-- none box -->
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           <div class="Container invi clearfix grpelem" id="u3036"><!-- group -->
           <div class="Container invi clearfix grpelem" id="u3036"><!-- group -->
           <div class="clearfix grpelem" id="u3071-6"><!-- content -->
           <div class="clearfix grpelem" id="u3071-6"><!-- content -->
-
             <p><span id="u3071">​</span><span><span class="actAsInlineDiv normal_text" id="u3073"><!-- content --><span class="actAsDiv clearfix excludeFromNormalFlow" id="u3072-8"><!-- content --><span class="actAsPara" id="u3072-4"><span id="u3072">​</span><span><span class="actAsInlineDiv normal_text" id="u3075"><!-- content --><span class="actAsDiv clearfix excludeFromNormalFlow" id="u3074-21"><!-- content --><span class="actAsPara" id="u3074-2">• IPTG induction in Broth Media (1)</span><span class="actAsPara" id="u3074-4">• Miniprep pCooM, pCooF (1)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Holin&#45; Antiholin</span><span class="actAsPara" id="u3074-6">• CODH from BCG PCR (2)</span><span class="actAsPara" id="u3074-8">• Kill Switch Transformation (3)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; MazF&#45; AntimazF</span><span class="actAsPara" id="u3074-10">• Digestion &amp; Ligation (?)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; BCG primer(Rhodospirillum rubrum&nbsp; primer)</span><span class="actAsPara" id="u3074-11">&nbsp;</span><span class="actAsPara" id="u3074-12">&nbsp;</span><span class="actAsPara" id="u3074-13">&nbsp;</span><span class="actAsPara">&nbsp;</span><span class="actAsPara">&nbsp;</span><span class="actAsPara">&nbsp;</span><span class="actAsPara">&nbsp;</span><span class="actAsPara">&nbsp;</span><span class="actAsPara">&nbsp;</span></span></span></span><span></span></span><span class="actAsPara" id="u3072-5">&nbsp;</span><span class="actAsPara">&nbsp;</span></span></span></span><span></span></p>
+
             <p><span id="u3071">​</span><span><span class="actAsInlineDiv normal_text" id="u3073"><!-- content --><span class="actAsDiv clearfix excludeFromNormalFlow" id="u3072-8"><!-- content --><span class="actAsPara" id="u3072-4"><span id="u3072">​</span><span><span class="actAsInlineDiv normal_text" id="u3075"><!-- content --><span class="actAsDiv clearfix excludeFromNormalFlow" id="u3074-21"><!-- content --><span class="actAsPara" id="u3074-2">• IPTG induction in Broth Media (1)</span><span class="actAsPara" id="u3074-4">• Miniprep pCooM, pCooF (1)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Holin&#45; Antiholin</span><span class="actAsPara" id="u3074-6">• CODH from BCG PCR (2)</span><span class="actAsPara" id="u3074-8">• Kill Switch Transformation (3)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; MazF&#45; AntimazF</span><span class="actAsPara" id="u3074-10">• Digestion &amp; Ligation (?)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; BCG &#45;primer(Rhodospirillum rubrum&nbsp; primer)</span><span class="actAsPara" id="u3074-11">&nbsp;</span><span class="actAsPara" id="u3074-12">&nbsp;</span><span class="actAsPara" id="u3074-13">&nbsp;</span><span class="actAsPara">&nbsp;</span><span class="actAsPara">&nbsp;</span><span class="actAsPara">&nbsp;</span><span class="actAsPara">&nbsp;</span><span class="actAsPara">&nbsp;</span><span class="actAsPara">&nbsp;</span></span></span></span><span></span></span><span class="actAsPara" id="u3072-5">&nbsp;</span><span class="actAsPara">&nbsp;</span></span></span></span><span></span></p>
           </div>
           </div>
           <div class="clip_frame grpelem" id="u3076"><!-- image -->
           <div class="clip_frame grpelem" id="u3076"><!-- image -->
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           <div class="clearfix grpelem" id="u3096-55"><!-- content -->
           <div class="clearfix grpelem" id="u3096-55"><!-- content -->
             <p id="u3096-2">1) PCR</p>
             <p id="u3096-2">1) PCR</p>
-
             <p id="u3096-4">2) Gel Electrophoresis Genomic DNA + Gel Extraction</p>
+
             <p id="u3096-4">2) Gel Electrophoresis &#45; Genomic DNA + Gel Extraction</p>
             <p id="u3096-5">&nbsp;</p>
             <p id="u3096-5">&nbsp;</p>
             <p id="u3096-7">&#45;PCR</p>
             <p id="u3096-7">&#45;PCR</p>
Line 471: Line 614:
             <p id="u3110-19">&nbsp;</p>
             <p id="u3110-19">&nbsp;</p>
             <p>&nbsp;</p>
             <p>&nbsp;</p>
 +
          </div>
 +
          </div>
 +
          <div class="Container invi clearfix grpelem" id="u3805"><!-- group -->
 +
          <div class="clearfix grpelem" id="u3811-18"><!-- content -->
 +
            <p id="u3811-2">17.06.14 &#45; Transformation</p>
 +
            <p id="u3811-4">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 100 &#45; 10</p>
 +
            <p id="u3811-6">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 50&nbsp;&nbsp; &#45; 5</p>
 +
            <p id="u3811-8">Transformation &#45; heat shock 75’’</p>
 +
            <p id="u3811-10">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 100&nbsp;&nbsp; LB at the last step</p>
 +
            <p id="u3811-12">Selin inoculation &#45; amount of LB was more than needed.</p>
 +
            <p id="u3811-14">0.5 eppendorf &#45; it was opened before centrifuge (contamination)</p>
 +
            <p id="u3811-15">&nbsp;</p>
 +
            <p>&nbsp;</p>
 +
          </div>
 +
          </div>
 +
          <div class="Container invi clearfix grpelem" id="u3812"><!-- group -->
 +
          <div class="clearfix grpelem" id="u3817-84"><!-- content -->
 +
            <p id="u3817-2">4F&nbsp;&nbsp; 9R &#45; primers&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1&#45; 2 GE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3&#45; 2.2</p>
 +
            <p id="u3817-4">PCR &#45; 2. Sample&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2&#45; 2.1</p>
 +
            <p id="u3817-5">&nbsp;</p>
 +
            <p id="u3817-7">LIGATION</p>
 +
            <p id="u3817-9">T4 ligase&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1 µL</p>
 +
            <p id="u3817-11">T4 ligase buffer&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1 µL</p>
 +
            <p id="u3817-13">Vector&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4&nbsp;&nbsp;&nbsp;&nbsp; 6&nbsp;&nbsp;&nbsp;&nbsp; 2&nbsp;&nbsp;&nbsp;&nbsp; 5&nbsp;&nbsp;&nbsp;&nbsp; 3</p>
 +
            <p id="u3817-15">Insert&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4&nbsp;&nbsp;&nbsp;&nbsp; 2&nbsp;&nbsp;&nbsp;&nbsp; 6&nbsp;&nbsp;&nbsp;&nbsp; 3&nbsp;&nbsp;&nbsp;&nbsp; 5</p>
 +
            <p id="u3817-17">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1:1&nbsp;&nbsp; 3:1&nbsp; 1:3&nbsp; 5:3&nbsp;&nbsp; 3:5</p>
 +
            <p id="u3817-19">16ºC&nbsp;&nbsp;&nbsp;&nbsp; 30’</p>
 +
            <p id="u3817-21">RT&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 30’</p>
 +
            <p id="u3817-23">RT&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 30’</p>
 +
            <p id="u3817-25">+4ºC&nbsp;&nbsp;&nbsp; Overnight</p>
 +
            <p id="u3817-26">&nbsp;</p>
 +
            <p id="u3817-27">&nbsp;</p>
 +
            <p id="u3817-28">&nbsp;</p>
 +
            <p id="u3817-29">&nbsp;</p>
 +
            <p id="u3817-30">&nbsp;</p>
 +
            <p id="u3817-31">&nbsp;</p>
 +
            <p id="u3817-32">&nbsp;</p>
 +
            <p id="u3817-33">&nbsp;</p>
 +
            <p id="u3817-34">&nbsp;</p>
 +
            <p id="u3817-35">&nbsp;</p>
 +
            <p id="u3817-36">&nbsp;</p>
 +
            <p id="u3817-37">&nbsp;</p>
 +
            <p id="u3817-38">&nbsp;</p>
 +
            <p id="u3817-39">&nbsp;</p>
 +
            <p id="u3817-40">&nbsp;</p>
 +
            <p id="u3817-41">&nbsp;</p>
 +
            <p id="u3817-42">&nbsp;</p>
 +
            <p id="u3817-43">&nbsp;</p>
 +
            <p id="u3817-44">&nbsp;</p>
 +
            <p id="u3817-45">&nbsp;</p>
 +
            <p id="u3817-46">&nbsp;</p>
 +
            <p id="u3817-47">&nbsp;</p>
 +
            <p id="u3817-48">&nbsp;</p>
 +
            <p id="u3817-49">&nbsp;</p>
 +
            <p id="u3817-50">&nbsp;</p>
 +
            <p id="u3817-51">&nbsp;</p>
 +
            <p id="u3817-52">&nbsp;</p>
 +
            <p id="u3817-53">&nbsp;</p>
 +
            <p id="u3817-54">&nbsp;</p>
 +
            <p id="u3817-55">&nbsp;</p>
 +
            <p id="u3817-56">&nbsp;</p>
 +
            <p id="u3817-57">&nbsp;</p>
 +
            <p id="u3817-58">&nbsp;</p>
 +
            <p id="u3817-59">&nbsp;</p>
 +
            <p id="u3817-60">&nbsp;</p>
 +
            <p id="u3817-61">&nbsp;</p>
 +
            <p id="u3817-62">&nbsp;</p>
 +
            <p id="u3817-63">&nbsp;</p>
 +
            <p id="u3817-64">&nbsp;</p>
 +
            <p id="u3817-65">&nbsp;</p>
 +
            <p id="u3817-66">&nbsp;</p>
 +
            <p id="u3817-67">&nbsp;</p>
 +
            <p id="u3817-68">&nbsp;</p>
 +
            <p id="u3817-70">Transformation:</p>
 +
            <p id="u3817-72">Öykü: 1st: (3) 2 GE 2h A (3:1)&nbsp; &#45;&nbsp; 2nd: 2 GE A 301</p>
 +
            <p id="u3817-74">Can (Öykü): 1st: (4) 2 GE A 2h (1:3) &#45; 2nd: 2 GE A 301</p>
 +
            <p id="u3817-76">Almira: 1st: (2) 2GE A 2h 1:1 (3:5) &#45; 2nd: 2 GE A 301 – (5) 2GE A 301</p>
 +
            <p id="u3817-78">Martin: 1st: (1) 2GE A 2h 5:3 (1:1) &#45; 2nd: 2 GE A 301</p>
 +
            <p id="u3817-79">&nbsp;</p>
 +
            <p id="u3817-80">&nbsp;</p>
 +
            <p id="u3817-81">&nbsp;</p>
 +
            <p>&nbsp;</p>
 +
          </div>
 +
          <div class="clip_frame grpelem" id="u3818"><!-- image -->
 +
            <img class="block" id="u3818_img" src="http://fisofowi.netii.net/images/plasmid.jpg" alt="" width="569" height="261" />
 +
          </div>
 +
          <div class="clip_frame grpelem" id="u3823"><!-- image -->
 +
            <img class="block" id="u3823_img" src="http://fisofowi.netii.net/images/foto1.jpg" alt="" width="410" height="288" />
 +
          </div>
 +
          <div class="clip_frame grpelem" id="u3828"><!-- image -->
 +
            <img class="block" id="u3828_img" src="http://fisofowi.netii.net/images/foto2.jpg" alt="" width="410" height="329" />
 +
          </div>
 +
          </div>
 +
          <div class="Container invi clearfix grpelem" id="u3833"><!-- group -->
 +
          <div class="clearfix grpelem" id="u3847-29"><!-- content -->
 +
            <p id="u3847-2">Transformation &#45; +4 ONC</p>
 +
            <p id="u3847-4">PCR &#45; 2 &#45; 2’</p>
 +
            <p id="u3847-6">PCR Purification</p>
 +
            <p id="u3847-8">Digestion</p>
 +
            <p id="u3847-10">Gel</p>
 +
            <p id="u3847-12">Gel Extraction</p>
 +
            <p id="u3847-14">Ligation 16ºC&nbsp;&nbsp; 1h</p>
 +
            <p id="u3847-16">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; RT&nbsp;&nbsp;&nbsp;&nbsp; 2h</p>
 +
            <p id="u3847-18">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; +4&nbsp;&nbsp;&nbsp;&nbsp; ONC</p>
 +
            <p id="u3847-20">Gel</p>
 +
            <p id="u3847-22">Gel Extraction</p>
 +
            <p id="u3847-24">Transformation</p>
 +
            <p id="u3847-25">&nbsp;</p>
 +
            <p id="u3847-26">&nbsp;</p>
 +
            <p>&nbsp;</p>
 +
          </div>
 +
          <div class="clip_frame grpelem" id="u3848"><!-- image -->
 +
            <img class="block" id="u3848_img" src="http://fisofowi.netii.net/images/foto3.jpg" alt="" width="619" height="338" />
 +
          </div>
 +
          </div>
 +
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Revision as of 23:00, 20 June 2014

Project

Project Description

Design

Results

Human Practices

Lab Notebook

Carbon monoxide (CO) is a colorless and odorless gas which can be very poisonous and dangerous. Since it is produced from commonly used household devices and industry, in the case of any leakage it can cause severe poisonings and deaths. Many people die in Turkey because of mishandled ascot and blast heaters. According to statistics 10,154 people, meaning 14 out of every 100,000 people, were intoxicated.

 

The aim of our project is to prevent these cases. In order to achieve this, we plan to develop a biological device which will include a detection and a conversion system. Firstly, our detection mechanism is based on light dependent sensors. These sensors gather data from the bacteria, in turn triggering an alarm system. Secondly, in the event of CO presence, our conversion system will be activated in order to convert carbon monoxide into carbon dioxide (CO2). To accomplish this transformation, we are using an enzyme called Carbon Monoxide Dehydrogenase (CODH). Finally, as a safety measure we will include a kill switch mechanism that aims to inactivate the system.

 

CO to CO2 Converter & CO Monitoring System

 

Carbon monoxide is a highly toxic gas which is undetectable by humans and it is fatal when inhaled. We’ve developed a biological device that comprises of both a qualitative detector for this dangerous gas and a conversion system to transform it into carbon dioxide. As for detection, CO sensitive promoters pCooM and pCooF from Rhodosprillum rubrum will initiate the production of fluorescent proteins in the presence of CO. Optic sensors will be used to track the production of these proteins and if the sensors pick up data indicating that CO is present; an alarm will be triggered. Meanwhile, the conversion system of our device will utilize a Cyanobacteria enzyme called Carbon Monoxide Dehydrogenase (CODH), which converts CO into CO2. We also have a kill-switch design based on the lac-operon. The kill-switch mechanism will be activated to avoid any contamination of the environment, in case the altered bacteria escape the device.

In this page, you can find out the computational modelling for our design and finished system.

 

Carbon monoxide

 

Wıth our research we were able to find out that 1500 ppm of CO gas means death in an hour. To make calculations we need to convert this value into something we can work with easily, such as moles.

 

1500 ppm = 0.15%

 

If we take a 30 meter squared room with 3 meter ceiling height, the overall volume of the room is 90m^3 which equates to 90000 liters.

 

 

 

 

 

 

By using Ideal Gas Law, we can say that the amount of moles of CO present in 135 Liters is around about 4 moles. So what we have learned? In a big size room, there should be at least 4 moles of CO molecules for it to be considered as deadly.

 

CODH Activity

 

Even though we were not able to find detailed parameters for this particular enzyme, we were able to work out a very simple formula to calculate the amount of CO we will be able to convert each second.

 

r = CODH activity rate

p = plasmid copy number

b = amount of bacteria

s = synthesis rate

[CO]=amount of CO (moles)

A = fraction of CO converted

 

*Lets call r.p.b.s: "c" since we can assume that it will stay constant.

*Our calculations show that "c = 31777209688000" or "3.2 x 10^14"

 

When we divide c by the Avagadro number we can find out what fraction of moles of CO we will be able to convert each time frame. Even though "c" seems like a huge number, the Avagadro number is much bigger.

 

3.2 x 10^14 / 6.02 x 10^23  =  0.5 x 10^-9

 

This mans that we are able to convert roughly 0.000000001 of the CO available each second.

 

Here is a little script we wrote with Python programming language with modules "matplotlib" and "numPy":

 

from pylab import *

 

timer = 0

f = 0.000000001

s = 7200 #seconds

co = 4 # moles

co2 =0 # moles

values = [ ]

 

for i in range(s):

    co2 = co2 + co*f

    co = co - co2

    if co <= 0:

        break

    values.append(co2)

    timer += 1

 

x = arange(0,timer,1)

plot(x,values)

 

xlabel('time (s)')

ylabel('CO2 (moles)')

title('CO2 - Time')

grid(True)

show()

 

 

Please note that, even though we are subtracting the amount of CO converted from the initial CO value, the graph still does not have a visible curve to it. It is obvious that even though we are able to convert a huge number of CO molecules each given second, there are way to much CO then our system can convert.

 

By increasing the surface are of the single-layer e-coli colonies, for example take a 10 x 10 grid of the same exact system, we can achieve 100 times more efficient converters which can shave of two 0's from the results.

 

Down below you can see the photos of the colonies we were able to get and the elctronic circuit design.

 

 

Trying out the color sensor. Red pen on the sensor light up red. Blue ruler on top, blue light.

Today, improving technology and ideas lead students to be the constructors of better future. That’s why as METU DF High School iGEM 2014 team we made researches and experiments to widen the perspective of what synthetic biology can achieve. We know that synthetic biology is the way of constructing core components which can be modeled by merging them with the fundamentals of biology. We assume that by the efficient use of synthetic biology we can lighten the way through future and save many lives.

 

Therefore, this year we worked hard to put forth an experiment that can lead the way to our better future. As METU HS iGEM team, we believe that synthetic biology is a tool that can turn the world to a better place. And iGEM is an opportunity for us to show people that synthetic biology is helpful for the humankind. That's why we did many events to introduce people synthetic biology. We have given a bake sale which included bacteria & DNA muffins and x-ray crystallography cake.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The muffins got retweeted by the iGEM HQ!

 

 

 

Furthermore we interviewed some students in our school to see how much they know about synthetic biology world. We decorated our school with DNA's and posters of our team on DNA day. Also as METU HS iGEM team we have attended to a Synthetic Biology Day to expand our knowledge. It is important for the next generations to be familiar with synthetic biology, in order to achieve this we gave a presentation to 7 and 8th graders. We have informed them about iGEM and biology. And our aim is to present iGEM to everyone to convince people that synthetic biology is useful. So we have told people about our team and iGEM at the opening of an ODTU DF school in Denizli. In order to maintain our goal we believed that a sale of work will be a nice introduction of iGEM and synthetic biology. We cooked cupcakes in order to sale and we designed them as bacteria and everything about synthetic biology. Secondly, we also designed an enormous DNA shaped gumdrop. The most critical part was we recommended iGEM and talk with them about the project we were doing. Our main purpose was to make people know what synthetic biology is and create awareness about these topics. To conclude we have tried and we are still trying to spread synthetic biology in order to acknowledge human. As METU DF High School iGEM 2014 team we work hard to settle the importance of synthetic biology by referring various projects.

 

We believe that awareness and education is the key of action, acceptance and understanding. Our project contains lots of valuable experiments that can prove the useful remedies of the efficient use of synthetic biology.

 

You can find every photo and video we referred to at the fun page by following this link or find it at the extras page!