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                    <h2 class="page-cover-tittle">Model</h2>
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                <div align="center"> <h2 class="title_color">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Introduction</h2></div>
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                  <p>We took part in the Fifth International InterLab Measurement Study which ains to achieve the purpose of comparative measurement. The goal of this study is to obtain large amounts of data from labs across the world,to develop absolute units for measurements GFP in a plate reader to eliminate variation between labs.</p><br>
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<div align="center"><h2 class="title_color">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Materials</h2></div>
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                  <p>Plate reader: Synergy H1 (Biotek)<br>
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Plate reader plates: Corning 3603 96-Well Microplates (black plates with clear flat bottom)<br>
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Cell culture shaker: ZWYR-200D<br><br>
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Devices:<br>
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Negative control ：BBa_R0040 <br>
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Positive control ：BBa_I20270 <br>
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Device 1： BBa_J364000  <br>
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Device 2： BBa_J364001  <br>
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Device 3： BBa_J364002  <br>
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Device 4： BBa_J364007  <br>
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Device 5： BBa_J364008  <br>
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Device 6： BBa_J364009  <br>
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Note: for Device 5, we have not transformed it into DH5⍺ competent cells successfully for many times, therefore, we thank IGEM team of Nanjing University for providing the Device 5.<br>
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Calibration material: Provided in the 2018 IGEM distribution kit <br>
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Microorganism: Escherichia coli DH5⍺ strains<br>
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</p><br>
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<div align="center"><h2 class="title_color">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Methods</h2></div>
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                  <p>Following iGEM requirements, Team AHUT_China performed measurements according to these 2018 InterLab Protocols <a href="https://static.igem.org/mediawiki/2018/0/09/2018_InterLab_Plate_Reader_Protocol.pdf">https://static.igem.org/mediawiki/2018/0/09/2018_InterLab_Plate_Reader_Protocol.pdf</a> </p><br>
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<div align="center"><h2 class="title_color">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Results</h2></div>
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                  <h4>1.OD 600 reference point</h4><p>
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Using OD 600 and H2O to generate the conversion factor for the transformation later. The average of OD600 is 0.063; the correction factor (OD600/ABS600) is 3.500
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</p><br>
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  <div align="center"><img src="https://static.igem.org/mediawiki/2018/c/cb/T--AHUT_China--_LUDOX_correct_result.jpg" width="317" height="234" alt=""/></div><br><div align="center">Fig. 1 LUDOX correct value
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  </div>
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  <h4>2.Particle standard curve</h4>
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                  <p>
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We obtained the two Particle Standard Curve (normal and log scale).
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</p><br>
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  <div align="center"><img src="https://static.igem.org/mediawiki/2018/6/65/T--AHUT_China--_Fig._2_Particle_Standard_Curve.jpg" width="701" height="440" alt=""/></div><br><div align="center">Fig. 2 Particle Standard Curve
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<div align="center"><img src="https://static.igem.org/mediawiki/2018/7/7e/T--AHUT_China--_Fig._3_Particle_Standard_Curve_%28log_scale%29.jpg" width="701" height="440" alt=""/></div><br><div align="center">
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  Fig. 3 Particle Standard Curve (log scale)
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</div>
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<h4>3.Fluorescein standard curve</h4><p>
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Dilution serious of fluorescein were prepared and measured in a 96 well plate. A standard curve is generated to correct the cell based readings to an equivalent fluorescein concentration.<br>
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We obtained the two Fluorescein Standard Curve (normal and log scale).
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</p><br>
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<div align="center"><img src="https://static.igem.org/mediawiki/2018/2/24/T--AHUT_China--_Fig._4_Fluorescein_Standard_Curve.jpg" width="701" height="440" alt=""/></div><br><div align="center">
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  Fig. 4 Fluorescein Standard Curve
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<div align="center"><img src="https://static.igem.org/mediawiki/2018/a/a9/T--AHUT_China--_Fig._5_Fluorescein_Standard_Curve_%28log_scale%29.jpg" width="701" height="440" alt=""/></div><br><div align="center">
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  <div align="center" >Fig. 5 Fluorescein Standard Curve (log scale) </div>
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</div>
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  <h4>4.Cell measurements</h4>
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  </ol>
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<p>&nbsp;</p><br>
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<div align="center"><img src="https://static.igem.org/mediawiki/2018/2/21/T--AHUT_China--_Fig._6_Fluorescence_Measurements_Curve_.jpg" width="732" height="492" alt=""/></div><br><div align="center">
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  <div align="center">Fig. 6 Fluorescence Measurements Curve</div>
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</div>
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    <p>Test devices 1 and 4 show high fluorescence intensity. Test devices 2 show a modest fluorescence intensity alone with positive control group, while devices3,5,6 barely show low fluorescence intensity alone with the negative control group.
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</p><br>
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<div align="center"><img src="https://static.igem.org/mediawiki/2018/3/36/T--AHUT_China--_Fig._7_Raw_OD600_Curve_.jpg" width="724" height="484" alt=""/></div><br><div align="center">
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  <div align="center">Fig. 7 Raw OD600 Curve</div>
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</div>
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    <h4>5.We obtained the Colony Forming Units per 0.1 OD600 E. coli cultures</h4>  
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<div align="center"><img src="https://static.igem.org/mediawiki/2018/f/f1/T--AHUT_China--_Fig._8_CFU_Result.jpg" width="724" height="420" alt=""/></div><br>
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    <div align="center"><img src="https://static.igem.org/mediawiki/2018/e/e5/T--AHUT_China--_Fig._8_CFU_Result1.jpg" width="732" height="492" alt=""/></div><br>
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    <div align="center">
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  <div align="center" >Fig. 8 CFU Result</div>
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  <p >&nbsp;</p>
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<div align="center"><h2 class="title_color">Discussion</h2></div>
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                <p>For Figure 3, the log graph isn’t a straight line but not 1:1 slope. In figure 6, highest fluorescence was obtained from device 4, closely followed by test device 1. Test device 2 and positive control group show a modest fluorescence intensity and device 5,6 show low fluorescence intensity, while test devices 3 barely have any fluorescence signal as well as the negative group.
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</p>           
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<div align="center"><h2 class="title_color">Conclusion</h2></div>
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                <p>It was certainly a technical challenge to Participate in the InterLab Study. Performing the prescribed protocols with adherence to all the InterLab guidelines yielded parts of expected results, and with the completed InterLab Google Forms, confirms our team participation in this InterLab Study.
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<h3>★  ALERT! </h3>
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<p>This page is used by the judges to evaluate your team for the <a href="https://2018.igem.org/Judging/Medals">medal criterion</a> or <a href="https://2018.igem.org/Judging/Awards"> award listed below</a>. </p>
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<p> Delete this box in order to be evaluated for this medal criterion and/or award. See more information at <a href="https://2018.igem.org/Judging/Pages_for_Awards"> Instructions for Pages for awards</a>.</p>
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<h1> Modeling</h1>
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<p>Mathematical models and computer simulations provide a great way to describe the function and operation of BioBrick Parts and Devices. Synthetic Biology is an engineering discipline, and part of engineering is simulation and modeling to determine the behavior of your design before you build it. Designing and simulating can be iterated many times in a computer before moving to the lab. This award is for teams who build a model of their system and use it to inform system design or simulate expected behavior in conjunction with experiments in the wetlab.</p>
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<h3> Gold Medal Criterion #3</h3>
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Convince the judges that your project's design and/or implementation is based on insight you have gained from modeling. This could be either a new model you develop or the implementation of a model from a previous team. You must thoroughly document your model's contribution to your project on your team's wiki, including assumptions, relevant data, model results, and a clear explanation of your model that anyone can understand.  
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The model should impact your project design in a meaningful way. Modeling may include, but is not limited to, deterministic, exploratory, molecular dynamic, and stochastic models. Teams may also explore the physical modeling of a single component within a system or utilize mathematical modeling for predicting function of a more complex device.
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Please see the <a href="https://2018.igem.org/Judging/Medals"> 2018
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<h3>Best Model Special Prize</h3>
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To compete for the <a href="https://2018.igem.org/Judging/Awards">Best Model prize</a>, please describe your work on this page  and also fill out the description on the <a href="https://2018.igem.org/Judging/Judging_Form">judging form</a>. Please note you can compete for both the gold medal criterion #3 and the best model prize with this page.
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You must also delete the message box on the top of this page to be eligible for the Best Model Prize.
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<h3> Inspiration </h3>
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Here are a few examples from previous teams:
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<li><a href="https://2016.igem.org/Team:Manchester/Model">2016 Manchester</a></li>
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<li><a href="https://2016.igem.org/Team:TU_Delft/Model">2016 TU Delft</li>
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<li><a href="https://2014.igem.org/Team:ETH_Zurich/modeling/overview">2014 ETH Zurich</a></li>
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<li><a href="https://2014.igem.org/Team:Waterloo/Math_Book">2014 Waterloo</a></li>
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Revision as of 02:08, 5 October 2018

Royal Hotel Royal Hotel

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     Introduction

We took part in the Fifth International InterLab Measurement Study which ains to achieve the purpose of comparative measurement. The goal of this study is to obtain large amounts of data from labs across the world,to develop absolute units for measurements GFP in a plate reader to eliminate variation between labs.


     Materials

Plate reader: Synergy H1 (Biotek)
Plate reader plates: Corning 3603 96-Well Microplates (black plates with clear flat bottom)
Cell culture shaker: ZWYR-200D

Devices:
Negative control ：BBa_R0040
Positive control ：BBa_I20270
Device 1： BBa_J364000
Device 2： BBa_J364001
Device 3： BBa_J364002
Device 4： BBa_J364007
Device 5： BBa_J364008
Device 6： BBa_J364009
Note: for Device 5, we have not transformed it into DH5⍺ competent cells successfully for many times, therefore, we thank IGEM team of Nanjing University for providing the Device 5.
Calibration material: Provided in the 2018 IGEM distribution kit
Microorganism: Escherichia coli DH5⍺ strains


     Methods

Following iGEM requirements, Team AHUT_China performed measurements according to these 2018 InterLab Protocols https://static.igem.org/mediawiki/2018/0/09/2018_InterLab_Plate_Reader_Protocol.pdf


     Results

1.OD 600 reference point

Using OD 600 and H2O to generate the conversion factor for the transformation later. The average of OD600 is 0.063; the correction factor (OD600/ABS600) is 3.500



Fig. 1 LUDOX correct value

2.Particle standard curve

We obtained the two Particle Standard Curve (normal and log scale).



Fig. 2 Particle Standard Curve

Fig. 3 Particle Standard Curve (log scale)

3.Fluorescein standard curve

Dilution serious of fluorescein were prepared and measured in a 96 well plate. A standard curve is generated to correct the cell based readings to an equivalent fluorescein concentration.
We obtained the two Fluorescein Standard Curve (normal and log scale).



Fig. 4 Fluorescein Standard Curve

Fig. 5 Fluorescein Standard Curve (log scale)

4.Cell measurements

 



Fig. 6 Fluorescence Measurements Curve

Test devices 1 and 4 show high fluorescence intensity. Test devices 2 show a modest fluorescence intensity alone with positive control group, while devices3,5,6 barely show low fluorescence intensity alone with the negative control group.



Fig. 7 Raw OD600 Curve

5.We obtained the Colony Forming Units per 0.1 OD600 E. coli cultures



Fig. 8 CFU Result

 

Discussion

For Figure 3, the log graph isn’t a straight line but not 1:1 slope. In figure 6, highest fluorescence was obtained from device 4, closely followed by test device 1. Test device 2 and positive control group show a modest fluorescence intensity and device 5,6 show low fluorescence intensity, while test devices 3 barely have any fluorescence signal as well as the negative group.

Conclusion

It was certainly a technical challenge to Participate in the InterLab Study. Performing the prescribed protocols with adherence to all the InterLab guidelines yielded parts of expected results, and with the completed InterLab Google Forms, confirms our team participation in this InterLab Study.