Difference between revisions of "Team:SZU-China/InterLab"

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<h1 id="header" class="text-center">InterLab Study</h1>
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<p class="text-center" style="color:#469789 ;">"Measurement is fundamentally an act of communication." - Jacob Beal</p>
  
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<p class="text-muted text-center">Reliable and repeatable measurement is a key component to all engineering disciplines. The same holds true for synthetic biology, which has also been called engineering biology. However, the ability to repeat measurements in different labs has been difficult. The Measurement Committee, through the InterLab study, has been developing a robust measurement procedure for green fluorescent protein (GFP) over the last several years. We chose GFP as the measurement marker for this study since it's one of the most used markers in synthetic biology and, as a result, most laboratories are equipped to measure this protein.
  
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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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<a href="https://2018.igem.org/Measurement/InterLab" style="color:#469789 ;">More</a>
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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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<h2 id="Calibration">Calibration</h2>
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<h3>OD​600​ Reference point</h3>
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<p>Measure the Abs600 of both the LUDOX CL-X (45% colloidal silica suspension) and water to obtain the correction factor. </p>
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<img src="https://static.igem.org/mediawiki/2018/6/6d/T--SZU-China--InterLab_OD600.png" width="360px" />
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<h3>Particle Standard Curve</h3>
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<p>Measure the Abs600 of a series of dilution monodisperse silica microspheres to draw the Particle Standard Curve.</p>
  
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<h1>InterLab</h1>
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<img class="card-img-top" src="https://static.igem.org/mediawiki/2018/d/d0/T--SZU-China--InterLab_FSC.png" alt="card-img-cap" />
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<h3>Bronze Medal Criterion #4</h3>
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<p><b>Standard Tracks:</b> Participate in the Interlab Measurement Study and/or obtain new, high quality experimental characterization data for an existing BioBrick Part or Device and enter this information on that part's Main Page in the Registry. The part that you are characterizing must NOT be from a 2018 part number range.
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<br><br>
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For teams participating in the <a href="https://2018.igem.org/Measurement/InterLab">InterLab study</a>, all work must be shown on this page.
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<h3>Fluorescence standard curve</h3>
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<p>Measure the fluorescence of a series of diluted fluorescein to draw the fluorescein standard curve.</p>
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<img class="card-img-top" src="https://static.igem.org/mediawiki/2018/1/1b/T--SZU-China--InterLab_PSC.png" alt="card-img-cap" />
  
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<h2 class="">Cell measurement</h2>
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We collaborate with the team SIAT-SCIE, because thire Distribution Kit was not delivered on time and we were during our final exam.<br /> So we provide our kit and get the streaks of the transformed devices from them.
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<img class="card-img-top" src="https://static.igem.org/mediawiki/2018/3/30/T--SZU-China--InterLab_Flu.jpg" />
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<p class="text-center">
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Histogram of Different Cultures’ Fluorescence at Each Time Point
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<h2>Colony Forming Units</h2>
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<img class="card-img-top" src="https://static.igem.org/mediawiki/2018/1/17/T--SZU-China--InterLab_CFU_1.png" alt="Card image cap" />
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<div class="card-title">colonies: 1012</div>
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<img class="card-img-top" src="https://static.igem.org/mediawiki/2018/3/37/T--SZU-China--InterLab_CFU_2.png" alt="Card image cap" />
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<div class="card-title">colonies: 133</div>
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<img class="card-img-top" src="https://static.igem.org/mediawiki/2018/c/c0/T--SZU-China--InterLab_CFU_3.png" alt="Card image cap" />
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<div class="card-title">colonies: 17</div>
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<h2>Summary</h2>
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<p>This year, according to the requirements of Measurement Committee, we measured the fluorescence data of <i>E. coli</i> strain DH5-alpha and obtained some relatively precise data. To be brief, we succeeded in reducing lab-to-lab variability in fluorescence measurements by normalizing to absolute cell count or colony-forming units (CFUs).</p>
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<h2>Feedback</h2>
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In the protocol: <b>
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Colony Forming Units per 0.1 OD600 E.coli cultures——Step 1: Starting Sample Preparation——2. Dilute your overnight culture to OD600...——Do This in triplicate for each culture
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</b>, I think that should be added one more friendly reminder. That is, all cultures should be freezed in the ice in case the <i>E.coli</i> grows up quickly and influences the results of
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<b>Step 3: CFU/mL/OD Calculation Instructions</b>, in which we should have obtained a good data such as 1250, 125, 12, but acutually we had got some bad data like 1150, 988, 455 at the first measurement.
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Latest revision as of 04:04, 14 October 2018

InterLab Study

"Measurement is fundamentally an act of communication." - Jacob Beal

Reliable and repeatable measurement is a key component to all engineering disciplines. The same holds true for synthetic biology, which has also been called engineering biology. However, the ability to repeat measurements in different labs has been difficult. The Measurement Committee, through the InterLab study, has been developing a robust measurement procedure for green fluorescent protein (GFP) over the last several years. We chose GFP as the measurement marker for this study since it's one of the most used markers in synthetic biology and, as a result, most laboratories are equipped to measure this protein.

More

Calibration

OD​600​ Reference point

Measure the Abs600 of both the LUDOX CL-X (45% colloidal silica suspension) and water to obtain the correction factor.

Particle Standard Curve

Measure the Abs600 of a series of dilution monodisperse silica microspheres to draw the Particle Standard Curve.

card-img-cap

Fluorescence standard curve

Measure the fluorescence of a series of diluted fluorescein to draw the fluorescein standard curve.

card-img-cap

Cell measurement

We collaborate with the team SIAT-SCIE, because thire Distribution Kit was not delivered on time and we were during our final exam.
So we provide our kit and get the streaks of the transformed devices from them.

Histogram of Different Cultures’ Fluorescence at Each Time Point

Colony Forming Units

Card image cap
colonies: 1012
Card image cap
colonies: 133
Card image cap
colonies: 17

Summary

This year, according to the requirements of Measurement Committee, we measured the fluorescence data of E. coli strain DH5-alpha and obtained some relatively precise data. To be brief, we succeeded in reducing lab-to-lab variability in fluorescence measurements by normalizing to absolute cell count or colony-forming units (CFUs).

Feedback

In the protocol: Colony Forming Units per 0.1 OD600 E.coli cultures——Step 1: Starting Sample Preparation——2. Dilute your overnight culture to OD600...——Do This in triplicate for each culture , I think that should be added one more friendly reminder. That is, all cultures should be freezed in the ice in case the E.coli grows up quickly and influences the results of Step 3: CFU/mL/OD Calculation Instructions, in which we should have obtained a good data such as 1250, 125, 12, but acutually we had got some bad data like 1150, 988, 455 at the first measurement.