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− | <li><a href="#section2"> | + | <li><a href="#section2">Provenance and Release</a></li> |
− | <li><a href="#section3"> | + | <li><a href="#section3">Chassis and Safety </a></li> |
− | <li><a href="#section4"> | + | <li><a href="#section4">Instrument</a></li> |
− | <li><a href="#section5"> | + | <li><a href="#section5">Calibration Protocol</a></li> |
− | <li><a href="#section6"> | + | <li><a href="#section6">Cell Culture</a></li> |
− | + | <li><a href="#section7">Interlab Result</a></li> | |
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− | <h3 style="background-color:#ce6b9a;color:#ffffff; padding:10px;letter-spacing:1px;margin-top:0;"> | + | <h3 style="background-color:#ce6b9a;color:#ffffff; padding:10px;letter-spacing:1px;margin-top:0;">Introduction</h3> |
− | <p> | + | <p style="padding:10px">It is significant for synthetic biology to develop a reliable and repeatable measurement, the same to all the other engineering disciplines. We HUST-China have volunteered to test some RBS devices (BCDs) that are intended to make gene expression more precise and reliable by measure the expression level of GFP, in order to help the iGEM community collect data about how reliable will these devices turn out to be in labs around the world. |
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− | + | <h4><strong>①Individuals responsible for conducting InterLab study</strong> </h4> | |
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− | <th style="text-align: center;"> | + | <th style="text-align: center;">Individuals</th> |
− | <th style="text-align: center;"> | + | <th style="text-align: center;">Interlab Part</th> |
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− | + | <td>Kangyuan Yu, Haibo Huang, Ziyang Xiao, Shaofeng Liao</td> | |
− | + | <td>created the devices</td> | |
− | + | </tr> | |
− | + | <tr> | |
− | + | <td>Efan Wang, Long Cheng, HuiPing Shi </td> | |
− | + | <td>conducted the measurements</td> | |
− | + | </tr> | |
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− | + | <td>Efan Wang</td> | |
− | + | <td>processed the data</td> | |
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− | < | + | <h4><strong> ②Corresponding email</strong> </h4> |
− | + | <div class="table-responsive" style="padding: 10px 100px; text-align: center;"> | |
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− | <th style="text-align: center;"> | + | <th style="text-align: center;">Individuals </th> |
− | <th style="text-align: center;"> | + | <th style="text-align: center;">Emails</th> |
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− | + | <td>Efan Wang</td> | |
− | + | <td>erfan@hust.edu.cn</td> | |
− | + | </tr> | |
− | + | <tr> | |
− | + | <td>Kangyuan Yu</td> | |
− | + | <td>985930862@qq.com</td> | |
− | + | </tr> | |
− | + | <tr> | |
− | + | <td>Haibo Huang </td> | |
− | + | <td>u201512127@hust.edu.cn</td> | |
− | + | </tr> | |
− | + | <tr> | |
− | + | <td>Ziyang Xiao</td> | |
− | + | <td>372657289@qq.com</td> | |
− | + | </tr> | |
− | + | <tr> | |
− | + | <td>Shaofeng Liao</td> | |
− | + | <td> 15827233830@qq.com</td> | |
− | + | </tr> | |
− | + | <tr> | |
− | + | <td>HuiPing Shi</td> | |
− | + | <td>172295915@qq.com</td> | |
− | + | </tr> | |
− | + | <tr> | |
− | + | <td>Long Cheng</td> | |
− | + | <td>u201512127@hust.edu.cn</td> | |
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+ | </div> | ||
+ | <div id="section3" style="border: solid 1px #666; margin:5px;border-radius:10px;overflow: hidden;"> | ||
+ | <h3 style="background-color:#ce6b9a;color:#ffffff; padding:10px;letter-spacing:1px; margin-top:0;">Chassis and Safety</h3> | ||
+ | <h4><strong> What chassis did you use?</strong> </h4> | ||
+ | <p>Escherichia coli DH5alpha</p> | ||
+ | <h4><strong> What Biosafety Level is your chassis? </strong> </h4> | ||
+ | <p>BSL1</p> | ||
+ | <h4><strong>What PPE did you utilize during your experiments? </strong></h4> | ||
+ | <p>Tianming gloves</p> | ||
+ | <p>Songxinjiujiu labcoats</p> | ||
</div> | </div> | ||
+ | <div id="section4" style="border: solid 1px #666; margin:5px;border-radius:10px;overflow: hidden;"> | ||
+ | <h3 style="background-color:#ce6b9a;color:#ffffff; padding:10px;letter-spacing:1px; margin-top:0;">Instrument</h3> | ||
+ | <h4><strong> What instrument did you use during your measurements? </strong> </h4> | ||
+ | <p>plate reader</p> | ||
+ | <h4><strong> Please provide the brand and model of your instrument.</strong> </h4> | ||
+ | <p>Flexstation 3</p> | ||
+ | </div> | ||
+ | <div id="section5" style="border: solid 1px #666; margin:5px;border-radius:10px;overflow: hidden;"> | ||
+ | <h3 style="background-color:#ce6b9a;color:#ffffff; padding:10px;letter-spacing:1px; margin-top:0;">Calibration Protocol</h3> | ||
− | + | <h4><strong> A1. Protocol for Optical Density (OD600) Standard Measurement</strong> </h4> | |
− | < | + | <h5><strong>Did you use pathlength correction during measurement? </strong> </h5> |
− | <p> | + | <p>Yes</p> |
− | <p> | + | <h5><strong>Number of flashes per well </strong> </h5> |
− | < | + | <p>6</p> |
+ | <h5><strong>Orbital averaging (mm) </strong> </h5> | ||
+ | <p>600</p> | ||
+ | <h5><strong> What temperature setting did you use during the measurement? </strong> </h5> | ||
+ | <p>22℃</p> | ||
+ | <h5><strong>What type of 96-well plate did you use? </strong> </h5> | ||
+ | <p>Black plate (preferred)</p> | ||
+ | <h5><strong> Did your plate have flat-bottomed or round-bottomed wells? </strong> </h5> | ||
+ | <p>Flat</p> | ||
− | |||
− | < | + | <h4><strong> A2. Measurement Steps</strong></h4> |
− | + | <li class="dropdown" style="list-style-type:none;"> | |
− | + | <button href="#" class="dropdown-toggle" data-toggle="dropdown"> | |
− | < | + | More details <b class="caret"></b> |
− | + | </button> | |
− | + | <ul class="dropdown-menu container" style="padding: 10px;background:#ccc;"> | |
− | + | <li>① Prepare your 96 well plate</li> | |
− | + | <li>②Add 100 μl LUDOX 100 % into wells A1, B1, C1, D1</li> | |
− | + | <li>③Add 100 μl of dH2O into A2, B2, C2, D2</li> | |
− | + | <li>④Measure absorbance 600 nm of all samples in all standard measurement modes in instrument</li> | |
− | + | <li>⑤Import data into "Abs600" blue cells in provided Excel calibration sheet</li> | |
− | + | </ul> | |
+ | </li> | ||
− | + | ||
− | + | <h4><strong> B1. Protocol for FIuorescein Fluoresence standard curve</strong> </h4> | |
− | < | + | <h5><strong>Did you use pathlength correction during measurement? </strong> </h5> |
− | <p> | + | <p>Yes</p> |
− | <p> | + | <h5><strong>Number of flashes per well </strong> </h5> |
− | + | <p>6</p> | |
− | <p | + | <h5><strong>What gain setting did you use? </strong> </h5> |
− | < | + | <p>Automatic</p> |
− | + | <h5><strong> If you used a filter, what light wavelengths did it pass? </strong> </h5> | |
− | <p | + | <p>530nm</p> |
− | < | + | <h5><strong>Emission wavelength </strong> </h5> |
− | <p | + | <p>530nm</p> |
− | < | + | <h5><strong> Excitation wavelength </strong> </h5> |
− | <p | + | <p>485nm</p> |
− | < | + | <h5><strong> Fluorescence reading </strong> </h5> |
− | + | <p>Bottom optic</p> | |
− | + | <h5><strong>What type of 96-well plate did you use? </strong> </h5> | |
− | + | <p>Black plate (preferred)</p> | |
− | + | <h5><strong> Did your plate have flat-bottomed or round-bottomed wells? </strong> </h5> | |
− | + | <p>Flat</p> | |
− | + | <h5><strong> What temperature setting did you use during the measurement? </strong> </h5> | |
− | + | <p>22℃</p> | |
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− | </ | + | |
− | + | <h4><strong> B2. Measurement Steps</strong></h4> | |
− | + | <h5><strong> Part 1: Prepare the Fluorescein stock solution </strong> </h5> | |
− | + | <li class="dropdown" style="list-style-type:none;"> | |
− | < | + | <button href="#" class="dropdown-toggle" data-toggle="dropdown"> |
− | + | More details <b class="caret"></b> | |
− | + | </button> | |
− | + | <ul class="dropdown-menu" style="padding: 10px; background:#ccc;"> | |
− | + | <li>① Spin down fluorescein stock tube to make sure pellet is at the bottom of tube.</li> | |
− | + | <li>② Prepare 2x fluorescein stock solution (100 μM) by resuspending fluorescein in 1ml of 1xPBS</li> | |
− | + | <li>③ Dilute the 2x fluorescein stock solution using 1xPBS to make a 1x fluorescein solution (final concentration is 50 μM).</li> | |
− | + | <li>④ *Illustration of serial dilution samples in 96 well plate or cuvettes: value decreases by 2-fold with each column (50% in column 2, 25% in column 3, 12.5% in column 4, etc.)</li> | |
− | + | <li>⑤Import data into "Abs600" blue cells in provided Excel calibration sheet</li> | |
− | + | </ul> | |
− | + | </li> | |
− | + | <h5>Measurement work flow:</h5> | |
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− | < | + | |
<p><strong><span class="col-xs-12">Click on the picture and you can see a clearer picture.Then click on the return key of the browser and you can return.</span></strong></p><br/> | <p><strong><span class="col-xs-12">Click on the picture and you can see a clearer picture.Then click on the return key of the browser and you can return.</span></strong></p><br/> | ||
− | <a href="https://static.igem.org/mediawiki/2017/ | + | <a href="https://static.igem.org/mediawiki/2017/f/f8/2017_HUST_China_interlab_img_001.png" rel="lightbox-demo" title="my caption"><br /> |
− | <img title="demo1" src="https://static.igem.org/mediawiki/2017/ | + | <img title="demo1" src="https://static.igem.org/mediawiki/2017/f/f8/2017_HUST_China_interlab_img_001.png" alt="demo1" class="col-xs-8 col-xs-offset-2"> |
</a> | </a> | ||
− | < | + | <div class="col-xs-12" > |
+ | <h5><strong> Part 2: Prepare the serial dilutions of Fluorescein </strong> </h5> | ||
+ | <li class="dropdown" style="list-style-type:none;"> | ||
+ | <button href="#" class="dropdown-toggle" data-toggle="dropdown"> | ||
+ | More details <b class="caret"></b> | ||
+ | </button> | ||
+ | <ul class="dropdown-menu" style="padding: 10px; background:#ccc;"> | ||
+ | |||
+ | <li>①Add 100 μl of 1xPBS into wells A2, B2, C2, D2....A12, B12, C12, D12.</li> | ||
+ | <li>②Add 200 μl of 1x Fluorescein stock solution into A1, B1, C1, D1.</li> | ||
+ | <li>③ Transfer 100 μl of Fluorescein stock solution from A1 into A2.</li> | ||
+ | <li>④ Mix A2 by pipetting up and down 3x and transfer 100 μl into A3.</li> | ||
+ | <li>⑤ Mix A3 by pipetting up and down 3x and transfer 100 μl into A4.</li> | ||
+ | <li>⑥ Mix A4 by pipetting up and down 3x and transfer 100 μl into A5.</li> | ||
+ | <li>⑦ Mix A5 by pipetting up and down 3x and transfer 100 μl into A6.</li> | ||
+ | <li>⑧ Mix A6 by pipetting up and down 3x and transfer 100 μl into A7.</li> | ||
+ | <li>⑨ Mix A7 by pipetting up and down 3x and transfer 100 μl into A8.</li> | ||
+ | <li>⑩ Mix A8 by pipetting up and down 3x and transfer 100 μl into A9.</li> | ||
+ | <li>⑪ Mix A9 by pipetting up and down 3x and transfer 100 μl into A10.</li> | ||
+ | <li>⑫ Mix A10 by pipetting up and down 3x and transfer 100 μl into A11.</li> | ||
+ | <li>⑬ Mix A11 by pipetting up and down 3x and transfer 100 μl into liquid waste.</li> | ||
+ | <li>⑭ TAKE CARE NOT TO CONTINUE SERIAL DILUTION INTO COLUMN 12.</li> | ||
+ | <li>⑮ Repeat dilution series for rows B, C, D. | ||
+ | <li>⑯ Measure fluorescence of all samples in all standard measurement modes in instrument. | ||
+ | </ul> | ||
+ | </li> | ||
+ | |||
+ | </div> | ||
+ | |||
+ | </div> | ||
+ | <div id="section6" style="border: solid 1px #666; margin:5px;border-radius:10px;overflow: hidden;"> | ||
+ | <h3 style="background-color:#ce6b9a;color:#ffffff; padding:10px;letter-spacing:1px;margin-top:0;">Cell Culture Setup and Measurement</h3> | ||
<p><strong><span class="col-xs-12">Click on the picture and you can see a clearer picture.Then click on the return key of the browser and you can return.</span></strong></p><br/> | <p><strong><span class="col-xs-12">Click on the picture and you can see a clearer picture.Then click on the return key of the browser and you can return.</span></strong></p><br/> | ||
− | <a href="https://static.igem.org/mediawiki/2017/ | + | <a href="https://static.igem.org/mediawiki/2017/e/e6/2017_HUST_China_interlab_img_002.png" rel="lightbox-demo" title="my caption"><br /> |
− | <img title="demo1" src="https://static.igem.org/mediawiki/2017/ | + | <img title="demo1" src="https://static.igem.org/mediawiki/2017/e/e6/2017_HUST_China_interlab_img_002.png" alt="demo1" class="col-xs-8 col-xs-offset-2"> |
</a> | </a> | ||
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<div class="col-xs-12"> | <div class="col-xs-12"> | ||
− | < | + | <h5><strong>Transformation:</strong> </h5> |
− | + | <ul class="yuandian"> | |
− | < | + | <li> control</li> |
− | + | <li> Negative control</li> | |
− | < | + | <li>Test Device 1: J23101+I13504</li> |
− | < | + | <li>Test Device 2: J23106+I13504</li> |
− | < | + | <li>Test Device 3: J23117+I13504</li> |
− | + | <li>Test Device 4: J23101.BCD2.E0040.B0015</li> | |
− | + | <li>Test Device 5: J23106.BCD2.E0040.B0015</li> | |
− | < | + | <li>Test Device 6: J23117.BCD2.E0040.B0015</li> |
− | < | + | </ul> |
− | </ | + | <h5><strong>Cell growth:</strong> </h5> |
− | </ | + | <li class="dropdown" style="list-style-type:none;"> |
− | </ | + | <button href="#" class="dropdown-toggle" data-toggle="dropdown"> |
+ | More details <b class="caret"></b> | ||
+ | </button> | ||
+ | <ul class="dropdown-menu" style="padding: 10px; background:#ccc;"> | ||
+ | |||
+ | <li> ① Pick 2 colonies from each of plate and inoculate each in 5-10 mL LB medium + Chloramphenicol (For antibiotic concentrations, please follow these guidelines:<a href="http://parts.igem.org/Help:Protocols/Antibiotic_Stocks">http://parts.igem.org/Help:Protocols/Antibiotic_Stocks). | ||
+ | </a> | ||
+ | </li> | ||
+ | <li>② Grow the cells overnight (16-18 hours) at 37°C and 220 rpm.</li> | ||
+ | <li>③ With 8 total devices (including controls) and 2 colonies per device, you should have 16 cultures.</li> | ||
+ | |||
+ | </ul> | ||
+ | </li> | ||
+ | <h5><strong>Cell growth, sampling, and assay</strong> </h5> | ||
+ | <li class="dropdown" style="list-style-type:none;"> | ||
+ | <button href="#" class="dropdown-toggle" data-toggle="dropdown"> | ||
+ | More details <b class="caret"></b> | ||
+ | </button> | ||
+ | <ul class="dropdown-menu" style="padding: 10px; background:#ccc;"> | ||
+ | |||
+ | <li>① Set your instrument to read Abs600 (as OD calibration setting)</li> | ||
+ | <li>② Measure Abs600 of the overnight cultures</li> | ||
+ | <li>③ Import data into blue cells in Excel Dilultion Calculation sheets provided</li> | ||
+ | <li>④ Dilute the cultures to a target Abs600 of 0.02 (see the volume of preloading culture and media in Excel Dilution Calculation sheets) in 12 ml LB medium + Chloramphenicol in 50 mL falcon tube.</li> | ||
+ | <li>⑤ Remove 500uL of each culture for your zero time point and hold these samples on ice. (You should have 16 sample tubes from the time=0 time point)</li> | ||
+ | <li>⑥ Incubate the cultures at 37°C and 220 rpm.</li> | ||
+ | <li>⑦ Remove 500uL samples of each culture after 2, 4 and 6 hours of growth. Keep samples on ice while completing the additional time points. You should have 16 sample tubes for each time point.</li> | ||
+ | <li>⑧ Set up your four measurement plates: For colony #1 culture, pipet 100 uL samples into wells A, B, C and D of the row for that device. For colony #2, pipet 100uL samples into wells E, F, G, and H of the row for that device.</li> | ||
+ | <li>⑨ Read your plates, taking care to use the exact same settings used for your fluorescein measurement.</li> | ||
+ | |||
+ | |||
+ | </ul> | ||
+ | </li> | ||
+ | <h5><strong>The initial OD600 measurement of our overnight cultures.</strong> </h5> | ||
+ | <img title="demo1" src="https://static.igem.org/mediawiki/2017/1/1a/2017_HUST_China_interlab_img_table1.png" alt="demo1" class="col-xs-8 col-xs-offset-2"> | ||
</div> | </div> | ||
<div class="col-xs-12"> | <div class="col-xs-12"> | ||
− | <p> | + | <h5><strong>What type of media did you use for this step? </strong> </h5> |
− | <p> | + | <p>Luria Bertani </p> |
− | <p> | + | <h5><strong>What type of vessel or container did you use to grow your cells? </strong> </h5> |
+ | <p>50 ml Falcon tube</p> | ||
+ | <h5><strong>What temperature setting did you use during the measurement?</strong> </h5> | ||
+ | <p>22℃</p> | ||
+ | <h5><strong>What type of 96-well plates did you use?</strong> </h5> | ||
+ | <p></p> | ||
+ | <h5><strong>Black plates with transparent/clear bottom (preferred)</strong> </h5> | ||
+ | <p>Flat</p> | ||
+ | <h5><strong>Measurement </strong> </h5> | ||
+ | <ul class="yuandian"> | ||
+ | <li>Measure OD and fluorescence of all samples</li> | ||
+ | <li>Import data into blue cells in Excel (cell measurement) sheets provided</li> | ||
+ | </ul> | ||
+ | <h5><strong>Suggested Plate Layout for 96-well Plate</strong> </h5> | ||
<p><strong><span class="col-xs-12">Click on the picture and you can see a clearer picture.Then click on the return key of the browser and you can return.</span></strong></p><br/> | <p><strong><span class="col-xs-12">Click on the picture and you can see a clearer picture.Then click on the return key of the browser and you can return.</span></strong></p><br/> | ||
− | <a href="https://static.igem.org/mediawiki/2017/ | + | <a href="https://static.igem.org/mediawiki/2017/8/87/2017_HUST_China_interlab_img_003.png" rel="lightbox-demo" title="my caption"><br /> |
− | <img title="demo1" src="https://static.igem.org/mediawiki/2017/ | + | <img title="demo1" src="https://static.igem.org/mediawiki/2017/8/87/2017_HUST_China_interlab_img_003.png" alt="demo1" class="col-xs-8 col-xs-offset-2"> |
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+ | <div id="section7" style="border: solid 1px #666; margin:5px; padding:5px;border-radius:10px;overflow: hidden;"> | ||
+ | <h3 style="background-color:#ce6b9a;color:#ffffff; padding:10px;letter-spacing:1px;margin-top:0;">Interlab Resultn</h3> | ||
+ | <h5 class="col-xs-12"><strong>OD600 Reference Point</strong> </h5> | ||
+ | <img title="demo1" src="https://static.igem.org/mediawiki/2017/5/52/2017_HUST_China_interlab_img_table2.png" alt="demo1" class="col-xs-8 col-xs-offset-2"> | ||
+ | <h5 class="col-xs-12"><strong>Fluorescence standard curve</strong> </h5> | ||
+ | <p><strong><span class="col-xs-12">Click on the picture and you can see a clearer picture.Then click on the return key of the browser and you can return.</span></strong></p><br/> | ||
+ | <a href="https://static.igem.org/mediawiki/2017/a/a1/2017_HUST_China_interlab_img_table3.png" rel="lightbox-demo" title="my caption"><br /> | ||
+ | <img title="demo1" src="https://static.igem.org/mediawiki/2017/a/a1/2017_HUST_China_interlab_img_table3.png" alt="demo1" class="col-xs-8 col-xs-offset-2"> | ||
+ | </a> | ||
+ | <p class="col-xs-12"><strong>NOTE: 50uM Sample exceeds the range of measurements</strong> </p> | ||
+ | <h5 class="col-xs-12"><strong>OD600 Reference Point</strong> </h5> | ||
+ | <img title="demo1" src="https://static.igem.org/mediawiki/2017/d/d1/2017_HUST_China_interlab_img_table4.png" alt="demo1" class="col-xs-8 col-xs-offset-2"> | ||
+ | <img title="demo1" src="https://static.igem.org/mediawiki/2017/d/df/2017_HUST_China_interlab_img_table5.png" alt="demo1" class="col-xs-8 col-xs-offset-2"> | ||
+ | <p><strong><span class="col-xs-12">Click on the picture and you can see a clearer picture.Then click on the return key of the browser and you can return.</span></strong></p><br/> | ||
+ | <a href="https://static.igem.org/mediawiki/2017/b/b3/2017_HUST_China_interlab_img_table6.png" rel="lightbox-demo" title="my caption"><br /> | ||
+ | <img title="demo1" src="https://static.igem.org/mediawiki/2017/b/b3/2017_HUST_China_interlab_img_table6.png" alt="demo1" class="col-xs-8 col-xs-offset-2"> | ||
+ | </a> | ||
+ | <p class="col-xs-12"><strong>Final scaling level determined from medium-high points likely to be less impacted by saturation or pipetting error.</strong> </p> | ||
+ | <p class="col-xs-12"><strong>If needed, you can shift which points are used, but it is likely better to correct instrument settings and protocol.</strong> </p> | ||
+ | <p><strong><span class="col-xs-12">Click on the picture and you can see a clearer picture.Then click on the return key of the browser and you can return.</span></strong></p><br/> | ||
+ | <a href="https://static.igem.org/mediawiki/2017/b/b8/2017_HUST_China_interlab_img_table7.png" rel="lightbox-demo" title="my caption"><br /> | ||
+ | <img title="demo1" src="https://static.igem.org/mediawiki/2017/b/b8/2017_HUST_China_interlab_img_table7.png" alt="demo1" class="col-xs-8 col-xs-offset-2"> | ||
+ | </a> | ||
+ | <p><strong><span class="col-xs-12">Click on the picture and you can see a clearer picture.Then click on the return key of the browser and you can return.</span></strong></p><br/> | ||
+ | <a href="https://static.igem.org/mediawiki/2017/e/ea/2017_HUST_China_interlab_img_table8.png" title="my caption"><br /> | ||
+ | <img title="demo1" src="https://static.igem.org/mediawiki/2017/e/ea/2017_HUST_China_interlab_img_table8.png" alt="demo1" class="col-xs-8 col-xs-offset-2"> | ||
+ | </a> | ||
+ | <p><strong><span class="col-xs-12">Click on the picture and you can see a clearer picture.Then click on the return key of the browser and you can return.</span></strong></p><br/> | ||
+ | <a href="https://static.igem.org/mediawiki/2017/d/d2/2017_HUST_China_interlab_img_table9.png" rel="lightbox-demo" title="my caption"><br /> | ||
+ | <img title="demo1" src="https://static.igem.org/mediawiki/2017/d/d2/2017_HUST_China_interlab_img_table9.png" alt="demo1" class="col-xs-8 col-xs-offset-2"> | ||
+ | </a> | ||
+ | <p><strong><span class="col-xs-12">Click on the picture and you can see a clearer picture.Then click on the return key of the browser and you can return.</span></strong></p><br/> | ||
+ | <a href="https://static.igem.org/mediawiki/2017/2/2b/2017_HUST_China_interlab_img_table10.png" rel="lightbox-demo" title="my caption" style="padding: 10px;"><br /> | ||
+ | <img title="demo1" src="https://static.igem.org/mediawiki/2017/2/2b/2017_HUST_China_interlab_img_table10.png" alt="demo1" class="col-xs-8 col-xs-offset-2"> | ||
+ | </a> | ||
+ | |||
+ | </div> | ||
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Revision as of 16:10, 28 October 2017
「Interlab」
Introduction
It is significant for synthetic biology to develop a reliable and repeatable measurement, the same to all the other engineering disciplines. We HUST-China have volunteered to test some RBS devices (BCDs) that are intended to make gene expression more precise and reliable by measure the expression level of GFP, in order to help the iGEM community collect data about how reliable will these devices turn out to be in labs around the world.
Provenance and Release
①Individuals responsible for conducting InterLab study
Individuals | Interlab Part |
---|---|
Kangyuan Yu, Haibo Huang, Ziyang Xiao, Shaofeng Liao | created the devices |
Efan Wang, Long Cheng, HuiPing Shi | conducted the measurements |
Efan Wang | processed the data |
②Corresponding email
Individuals | Emails |
---|---|
Efan Wang | erfan@hust.edu.cn |
Kangyuan Yu | 985930862@qq.com |
Haibo Huang | u201512127@hust.edu.cn |
Ziyang Xiao | 372657289@qq.com |
Shaofeng Liao | 15827233830@qq.com |
HuiPing Shi | 172295915@qq.com |
Long Cheng | u201512127@hust.edu.cn |
Chassis and Safety
What chassis did you use?
Escherichia coli DH5alpha
What Biosafety Level is your chassis?
BSL1
What PPE did you utilize during your experiments?
Tianming gloves
Songxinjiujiu labcoats
Instrument
What instrument did you use during your measurements?
plate reader
Please provide the brand and model of your instrument.
Flexstation 3
Calibration Protocol
A1. Protocol for Optical Density (OD600) Standard Measurement
Did you use pathlength correction during measurement?
Yes
Number of flashes per well
6
Orbital averaging (mm)
600
What temperature setting did you use during the measurement?
22℃
What type of 96-well plate did you use?
Black plate (preferred)
Did your plate have flat-bottomed or round-bottomed wells?
Flat
A2. Measurement Steps
B1. Protocol for FIuorescein Fluoresence standard curve
Did you use pathlength correction during measurement?
Yes
Number of flashes per well
6
What gain setting did you use?
Automatic
If you used a filter, what light wavelengths did it pass?
530nm
Emission wavelength
530nm
Excitation wavelength
485nm
Fluorescence reading
Bottom optic
What type of 96-well plate did you use?
Black plate (preferred)
Did your plate have flat-bottomed or round-bottomed wells?
Flat
What temperature setting did you use during the measurement?
22℃
B2. Measurement Steps
Part 1: Prepare the Fluorescein stock solution
Measurement work flow:
Click on the picture and you can see a clearer picture.Then click on the return key of the browser and you can return.
Part 2: Prepare the serial dilutions of Fluorescein
Cell Culture Setup and Measurement
Click on the picture and you can see a clearer picture.Then click on the return key of the browser and you can return.
Transformation:
- control
- Negative control
- Test Device 1: J23101+I13504
- Test Device 2: J23106+I13504
- Test Device 3: J23117+I13504
- Test Device 4: J23101.BCD2.E0040.B0015
- Test Device 5: J23106.BCD2.E0040.B0015
- Test Device 6: J23117.BCD2.E0040.B0015
Cell growth:
Cell growth, sampling, and assay
The initial OD600 measurement of our overnight cultures.
What type of media did you use for this step?
Luria Bertani
What type of vessel or container did you use to grow your cells?
50 ml Falcon tube
What temperature setting did you use during the measurement?
22℃
What type of 96-well plates did you use?
Black plates with transparent/clear bottom (preferred)
Flat
Measurement
- Measure OD and fluorescence of all samples
- Import data into blue cells in Excel (cell measurement) sheets provided
Suggested Plate Layout for 96-well Plate
Click on the picture and you can see a clearer picture.Then click on the return key of the browser and you can return.
Interlab Resultn
OD600 Reference Point
Fluorescence standard curve
Click on the picture and you can see a clearer picture.Then click on the return key of the browser and you can return.
NOTE: 50uM Sample exceeds the range of measurements
OD600 Reference Point
Click on the picture and you can see a clearer picture.Then click on the return key of the browser and you can return.
Final scaling level determined from medium-high points likely to be less impacted by saturation or pipetting error.
If needed, you can shift which points are used, but it is likely better to correct instrument settings and protocol.
Click on the picture and you can see a clearer picture.Then click on the return key of the browser and you can return.
Click on the picture and you can see a clearer picture.Then click on the return key of the browser and you can return.
Click on the picture and you can see a clearer picture.Then click on the return key of the browser and you can return.
Click on the picture and you can see a clearer picture.Then click on the return key of the browser and you can return.