ETHZ/Internal

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<center>[[ETHZ | Main Page]] &nbsp;&nbsp;&nbsp;&nbsp; [[ETHZ/Model | System Modeling]] &nbsp;&nbsp;&nbsp;&nbsp; [[ETHZ/Simulation | Simulations]] &nbsp;&nbsp;&nbsp;&nbsp; [[ETHZ/Biology | System Implementation]] &nbsp;&nbsp;&nbsp;&nbsp; [[ETHZ/Biology/Lab| Lab Notes]] &nbsp;&nbsp;&nbsp;&nbsp; [[ETHZ/Meet_the_team | Meet the Team]] &nbsp;&nbsp;&nbsp;&nbsp; [[ETHZ/Internal | Team Notes]] &nbsp;&nbsp;&nbsp;&nbsp; [[ETHZ/Pictures | Pictures!]]</center><br>
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<center>[[ETHZ | Main Page]] &nbsp;&nbsp;&nbsp;&nbsp; [[ETHZ/Biology | Biology Pespective]] &nbsp;&nbsp;&nbsp;&nbsp; [[ETHZ/Engineering | Engineering Perspective]] &nbsp;&nbsp;&nbsp;&nbsp; [[ETHZ/Meet_the_team | Meet the Team]] &nbsp;&nbsp;&nbsp;&nbsp; [[ETHZ/Internal | Team Notes]] &nbsp;&nbsp;&nbsp;&nbsp; [[ETHZ/Pictures | Pictures!]]</center><br>
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<center><font size = '+2'><b> .:: ETH Zurich - educatETH ''E.coli'' ::. </b></font></center><br>
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=='''.:: Synthetic Biology Boot camp ::.'''==
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To make everybody familiar with synthetic biology concepts and to assist coming up with ideas for an interesting project, we will read and present publications on important topics. The list to be covered is the following:  
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<link rel="stylesheet" type="text/css" href="http://christos.bergeles.net/eth_ddcolortabs.css" />
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<div id="colortab" class="ddcolortabs">
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<ul>
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<li><a href="https://2007.igem.org/wiki/index.php?title=ETHZ" title="Home" rel="dropmenu_home"><span>Home</span></a></li>
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<li><a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Model" title="Modeling" rel="dropmenu_modeling"><span>System Modeling</span></a></li>
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<li><a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Simulation" title="Simulations" rel="dropmenu_simulation"><span>Simulations</span></a></li>
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<li><a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Biology" title="System Implementation" rel="dropmenu_biology"><span>System Implementation</span></a></li>
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<li><a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Meet_the_team" title="Meet the team" rel="dropmenu_meettheteam"><span>Meet the team</span></a></li>
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<li><a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Pictures" title="Pictures!" rel="dropmenu_pictures"><span>Pictures!</span></a></li>
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</ul>
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</div>
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<div class="ddcolortabsline">&nbsp;</div>
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* Introduction to synthetic biology (Markus, Martin)
 
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* DNA de novo design (Rico, Raphael)
 
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* DNA circuits (Christian, Nan))
 
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* Hysteresis (Tim, Sylke)
 
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* Oscillators (Christos, Joe, Katerina and Markus, Martin)
 
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* Zinc fingers (Sylke)
 
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* Noise in single cell measurements
 
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* Distance communication (Rico, Raphael)
 
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* Parameter manipulations (Christos, Joe, Katerina)
 
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* Orthogonal systems (Christos, Joe, Katerina)
 
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* Minimal genomes (Markus, Martin)
 
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* RNA regulators (Rico, Raphael)
 
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All presentations have been uploaded in the known web space. You may also contact the people who did it if you need additional information.
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<!--1st drop down menu -->
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<div id="dropmenu_home" class="dropmenudiv_a">
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ#Introduction">Introduction</a>
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ#Team_Members">Team Members</a>
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ#Acknowledgments">Acknowledgments</a>
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ#Site_Map">Site map</a>
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=='''.:: Brainstorming ::.'''==
 
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==='''.:: Brainstorming sessions::.'''===
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During the first two weeks of July, the team has to come up with a project. The team is divided into three groups, which will brainstorm individually. Sven and Joerg are available on the 4th and 5th of July in case groups needs to consult them. The objective is that each group comes up with many fancy ideas. To facilitate this, keep in mind the following "brainstorming rules":
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<div id="dropmenu_modeling" class="dropmenudiv_a" style="width: 150px;">
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Model#Introduction">Introduction</a>
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Model#Model_Overview">Model Overview</a>
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Model#Detailed_Model">Detailed Model</a>
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Model#Final_Model">Final Model</a>
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Modeling_Basics">Modeling Basics Page</a>
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Model#Mathematical_Model">Mathematical Model</a>
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ/FSM">FSM View Page</a>
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ/FlipFlop">Flip-Flop View Page</a>
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Parameters">Parameters Page</a>
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# Defer judgment - the rules of nature don't apply
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<div id="dropmenu_simulation" class="dropmenudiv_a" style="width: 150px;">
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Simulation#Introduction">Introduction</a>
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Simulation#Simulation_of_Test_Cases">Test Cases</a>
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Simulation#Sensitivity_Analysis">Sensitivity Analysis</a>
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<div id="dropmenu_biology" class="dropmenudiv_a" style="width: 150px;">
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Biology#Introduction">Introduction</a>
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Biology#The_Complete_System">The Complete System</a>
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Biology#System_Phases">System Phases</a>
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Biology#Current_Cloning_Status">Current Cloning Status</a>
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Biology/parts">System Parts Page</a>
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Biology/Lab">Lab Notes Page</a>
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Meet_the_team#The_ETH_Zurich_07_Team">The ETH Zurich 07 Team</a>
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Meet_the_team#Team_Description">Team Description</a>
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<a href="https://2007.igem.org/wiki/index.php?title=ETHZ/Internal">Brainstorming Page</a>
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__NOTOC__
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=Introduction=
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This page documents the process of coming up with a suitable idea for this year's iGEM contest. It is only intended to be a loose gathering of remarks and ideas, instead of a well ordered part of our project documentation. Still, if you are interested in getting a glimpse on our first weeks, you are more than welcome to go on. But beware: afterwards, you might end up with more open questions than answers ...
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Have fun!
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== Brainstorming ==
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During the first two weeks of July, the team tries to come up with a set of ideas for a project. The team is divided into three groups, which will brainstorm individually. Sven and Joerg are available on the 4th and 5th of July in case groups need to consult them. The objective is that each group comes up with many fancy ideas (it is not yet important that they can be realized at all). To facilitate this, keep in mind the following "brainstorming rules":
 +
 
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# Defer judgment – “the rules of physics don't apply” & “cells behave exactly as they are supposed to”
# Encourage wild ideas
# Encourage wild ideas
# Build on the ideas of others
# Build on the ideas of others
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# Stay focused on topic
# Stay focused on topic
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==='''.:: Preliminary ideas ::.'''===
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<p>
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[[Image:Brainstorming.jpg|left|thumb|300px|Brainstorming on the learning system]]
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[[Image:Brainstorming2.jpg|center|thumb|300px|Brainstorming on the learning system]]
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</p>
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<br>
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=== Preliminary ideas ===
* '''PID Controller''': Design a PID controller out of biological elements. The P component can be a simple output to a regulatory protein, and the I component can be the overall protein production at a time period. What can the D component be?
* '''PID Controller''': Design a PID controller out of biological elements. The P component can be a simple output to a regulatory protein, and the I component can be the overall protein production at a time period. What can the D component be?
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* '''Biocam''': Visible to Fluorescent light converter.
* '''Biocam''': Visible to Fluorescent light converter.
* '''BioCD''': “Print” cells on a film, then read them out and “reconstruct” the original data. Basically, it is an analog to digital converter, followed by a system that can interpret the digitized data. (This idea was the basis for the “Music of life project”, where cells would produce fluorescent proteins based on an analog input. Then, the amount and type of fluorescence would code some music).
* '''BioCD''': “Print” cells on a film, then read them out and “reconstruct” the original data. Basically, it is an analog to digital converter, followed by a system that can interpret the digitized data. (This idea was the basis for the “Music of life project”, where cells would produce fluorescent proteins based on an analog input. Then, the amount and type of fluorescence would code some music).
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* '''Clock''': A follow-the-leader system. We have to groups of cells. The first group creates something that repels the second group. The second group creates a protein that attracts the first group. This way, they first group wants to “catch” the second group, whereas the second group wants to “avoid” the first group. This results in them moving around. We can say that the second group is the leader, and the first group exhibits a "follow-the-leader” behavior.
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* '''Clock''': A follow-the-leader system. We have two groups of cells. The first group creates something that repels the second group. The second group creates a protein that attracts the first group. This way, the first group tries to “catch” the second group, whereas the second group tries to “evade” the first group. This results in them moving around. We can say that the second group is the leader, and the first group exhibits a "follow-the-leader” behavior. Emitting GFP, the groups then act as a sort of analog watch.
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* '''Sensors''': Various systems that can sense PH, pressure, temperature, meat quality, moisture e.t.c. have been proposed.
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* '''Sensors''': Various systems that can sense PH, pressure, temperature, meat quality, moisture, etc. have been proposed.
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==='''.:: Preferred projects::.'''===
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=== Preferred projects===
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Three ideas of the above are chosen for further examination. The team will be again split up in three groups (different than before, to make sure that new ideas come up with mxing of people). Each group has to come up with an initial system, with remarks on its feasibility and coolness. Our results
+
Two ideas of the above are chosen for further examination. The team will be again split up in two groups (different ones than before to make sure that new ideas come up with mixing of people). Each group has to come up with a prototype model of the initial system, remarks on its feasibility and coolness. Our results
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will be presented to all team members, so that potential projects may be limited down to two and subsequently to
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will be presented to all team members, so that potential projects may be limited to a final project. The preferred projects are:  
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one. The preferred projects are:  
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# '''Music of Life''': The basic idea is that instead of having an analog-to-digital converter with four outputs (three fluorescent proteins, and no output), we can have two switches. When switch A is on, RFP is produced. When switch B is on, GFP is produced. When both switches A and B are on, a yellowish output is observed. By recording these outputs, we can later create music, by assigning each fluorescent protein to a chord. For example, RFP would correspond to a G chord. The strength of the fluorescence can signify the strength of the chord. If the cells are placed on a spinning disk, we can have something like a vinyl player. A camera is observing the cells, and music is created on the fly.  
# '''Music of Life''': The basic idea is that instead of having an analog-to-digital converter with four outputs (three fluorescent proteins, and no output), we can have two switches. When switch A is on, RFP is produced. When switch B is on, GFP is produced. When both switches A and B are on, a yellowish output is observed. By recording these outputs, we can later create music, by assigning each fluorescent protein to a chord. For example, RFP would correspond to a G chord. The strength of the fluorescence can signify the strength of the chord. If the cells are placed on a spinning disk, we can have something like a vinyl player. A camera is observing the cells, and music is created on the fly.  
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# '''Learning''': Based on the idea of the neural network, we want to create a biological system, where the cells can learn a specific behavior. In order to simplify the system, we decided that the cells can learn to recognize a specific type of other cells. We divide the process in a learning phase, and a recognition phase. First, cells A are put together with cells B. Then, cells A are “learning” to recognize cells B. If afterwards they are put in a petri dish with cells B, they will emit GPF. Otherwise, they will stay dark.
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# '''Learning''': Based on the idea of the neural network, we want to create a biological system where the cells can learn a specific behavior. In order to simplify the system, we decided that the cells can learn to recognize a specific type of other cells. We divide the process in a learning phase and a recognition phase. First, cells A are put together with cells B. Then, cells A are “learning” to recognize cells B. If afterwards they are put in a petri dish with cells B, they will emit GFP. Otherwise, they will stay dark.
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==='''.:: Final project::.'''===
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The chosen project is a modified version of Learning which was presented at the last meeting. The system proposed is modified as in its current state may be implemented with two switches only, something which is not exciting enough. Keeping the idea of learning, and of training and testing phases, we have come up with educatETH <i>E.coli</i>.
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=='''.:: Task List ::.'''==
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==='''.:: Project Task List ::.'''===
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The things to do, from the most pressing (timewise), to the least pressing (timewise) is below. Please put your name next to the task that you believe that you can undertake.
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=== Final project===
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# '''Team descriptions (overdue) and team photograph''' <br> ''Christian'': I guess I am the only semiprofessional photographer of the group. I can do some group pictures etc. but for this we need some ideas... - I would like to do something special. I also made the group-pics of the Synth. Biology 3.0 conference. Some references  ;-)  : [http://www.fotocommunity.de/pc/pc/mypics/461397] <br> ''Raphael'': What about a short movie of us?
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The chosen project is a modified version of Learning which was presented at the last meeting. The system proposed is modified, as in its current state may be implemented with two switches only, something which is really smashing. Keeping the idea of learning, training, and testing phases, we have come up with educatETH <i>E.coli</i>.
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# '''Team rosters due (1.9.)'''<br> ''Martin'': Does somebody know, what exactly should be done here? <br> ''Nan'': A list of team members, including some basic personal info.? (e.g. nationality, background, pet peeves...? )<br>''Katerina'': Guys, to make this easier, either write things about you on your personal page on the wiki or link to a page about you. This way it'll be easy to put it all together afterwards.
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# '''Labwork (parts have to be at the registry in Boston on 26.10.)''' <br> ''Joe'': I can be in the lab at least 2 evenings a week and some times through the weekdays. <br> ''Martin'': From Monday I can work every day for the whole day. At the moment I only work for several hours... <br> ''Rico'': I have my exam on Tuesday. Afterwards I can assist.<br> ''Christian'': I can do the introduction of the polylinker into the vectors beside my normal labwork on the Hoenggerberg. I could also do the whole biobrick assembly if you want this (I will go on holiday from the 5.10-24.10.07) <br> ''Raphael'': That's the part where I will mainly contribute, from 14.09. on I can work several days/week<br> ''Christos'': I can assist at the afternoons, if needed. <br> ''Katerina'': 7.09 - 30.09 generally plenty of time, apart from when I do my semester project presentation, will keep you posted when that is. <br> ''Sylke'': I'll not be available until 14th of October but from then on I can work several days per week fulltime.
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# '''Testing/ Analysis/ Detection (due to 02.11.)''' <br> ''Sylke'': Meeting with Alfredo Franco-Obregon (FACS guy from center) on 18.09. concerning devices available for detection of GFP/ derivatives.
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# '''Simulation and sensitivity analysis'''<br> ''Martin'': From 10. Sept. I've got plenty time to work on it. I think Markus would join here too ;-)  <br> ''Tim'': I can contribute in running stuff and help identify parameters from literature <br> ''Rico'': I can do simulations, sensitivity analysis. <br> ''Nan'': I would like to do simulations and sensitivity analysis. <br> ''Christos'': Yeap, I guess I can be here too. I will check some toolboxes to automate things, this weekend. <br> ''Katerina'': Want to help (parameter identification, programming, sensitivity analysis). Discuss in upcoming meeting tasks, versioning and ask Christian about parameters.
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# '''Presentation''' <br> ''Joe'': I'm American... I can sale anything.<br> ''Martin'': I'm bad in Layout stuff, but maybe I can help as an idea supplier or so. <br> ''Rico'': I like giving presentations. For preparation we will need a mixture of different background and excellent pictures!!! <br> ''Christian'': I can provide the molecular biology knowledge and part. <br> ''Nan'': I can work on the slides. <br> ''Christos'': I like this part, I guess everyone will contribute anyway...<br> ''Katerina'': I believe I can be of help in structure, layout and fancy stuff. Could help train a bit the people we decide to do the presentation (question answering, style). I also think that Joe and Christos could be good for doing the presentation (structured, pleasant voices and lively), can discuss this in a meeting. <br> ''Sylke'': I can help with the bio-part and I'm good at doing graphics and stuff. Can be a help when it needs to look good :-)
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#''' Poster''' <br> ''Joe'': See 5. above <br> ''Rico'': I can help. <br> ''Christian'': I can provide the molecular biology knowledge and part. <br> ''Nan'': Partly art. I will help. <br> ''Christos'': You can sell, but can you trick? lol :)<br> ''Katerina'': Not my strong point, but have an eye for typos, fonts, layout etc, so can help in final checking. <br> ''Sylke'': See above. Good at layout.
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# '''Wiki (Project and part documentation due on 26.10)''' <br> ''Martin'': See the points above, from next Monday I will give everything, now I'm doing my best... <br> ''Rico'': I can help. I guess this will have to contain the materials that we will also use for poster and presenttion anyway. <br> ''Nan'': Shouldn't it be updated with every going on process? <br> ''Christos'': I am trying to put stuff in, as it comes along. I will update the bio pages with the presentation material, this weekend (I hope). <br> ''Katerina'': You guys have done a great job so far, will help with whatever needed.
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# '''T-Shirts''' <br> ''Sylke'': in print (2007-09-24)
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Latest revision as of 20:36, 26 October 2007

ETHZ banner.png

 


Introduction

This page documents the process of coming up with a suitable idea for this year's iGEM contest. It is only intended to be a loose gathering of remarks and ideas, instead of a well ordered part of our project documentation. Still, if you are interested in getting a glimpse on our first weeks, you are more than welcome to go on. But beware: afterwards, you might end up with more open questions than answers ...

Have fun!

Brainstorming

During the first two weeks of July, the team tries to come up with a set of ideas for a project. The team is divided into three groups, which will brainstorm individually. Sven and Joerg are available on the 4th and 5th of July in case groups need to consult them. The objective is that each group comes up with many fancy ideas (it is not yet important that they can be realized at all). To facilitate this, keep in mind the following "brainstorming rules":

  1. Defer judgment – “the rules of physics don't apply” & “cells behave exactly as they are supposed to”
  2. Encourage wild ideas
  3. Build on the ideas of others
  4. Be visual
  5. Go for quantity
  6. Stay focused on topic


Brainstorming on the learning system
Brainstorming on the learning system


Preliminary ideas

  • PID Controller: Design a PID controller out of biological elements. The P component can be a simple output to a regulatory protein, and the I component can be the overall protein production at a time period. What can the D component be?
  • Motion Detector: Cells are grown on a petri dish. Below the dish, moving images are displayed. A 3-state automaton is proposed. Output A is created when light is present. Output B is created when light is absent. Moving patterns will cause some cells to create both outputs over time. This will result in some “inspector” cells producing output C, by collecting outputs A and B.
  • Analog-to-Digital Converter: Compare the level of protein concentration with thresholds, and digitize the output.
  • Neural Network: Create a sort of biological neural network with bacteria. We should address the issue of learning, and find a way to incorporate the feedback in the cell decision making process. Directed evolution can be a sort of feedback, but we want to avoid this. (This idea was the basis for the “learning project”)
  • Paramedic Cells: Some cells are able to detect signals coming from other cells, and create food for them, or create proteins in order to save them and make them function better.
  • Cell Batteries: Cells are able to create and store large quantities of ATP, during a “storing process”. Afterwards, they can detect a signal and give back all the energy they stored, in a short burst, like a capacitor. Other ideas are that the cells can “blow up” and emit large amounts of GFP, based on the ATP that they have accumulated.
  • Flashing Bacteria: Cells are grown on a light pattern. The cells that are on the bright parts of the image are oscillating in phase, while the others are remaining dark. This results in the observation of a flashing pattern.
  • Biocam: Visible to Fluorescent light converter.
  • BioCD: “Print” cells on a film, then read them out and “reconstruct” the original data. Basically, it is an analog to digital converter, followed by a system that can interpret the digitized data. (This idea was the basis for the “Music of life project”, where cells would produce fluorescent proteins based on an analog input. Then, the amount and type of fluorescence would code some music).
  • Clock: A follow-the-leader system. We have two groups of cells. The first group creates something that repels the second group. The second group creates a protein that attracts the first group. This way, the first group tries to “catch” the second group, whereas the second group tries to “evade” the first group. This results in them moving around. We can say that the second group is the leader, and the first group exhibits a "follow-the-leader” behavior. Emitting GFP, the groups then act as a sort of analog watch.
  • Sensors: Various systems that can sense PH, pressure, temperature, meat quality, moisture, etc. have been proposed.

Preferred projects

Two ideas of the above are chosen for further examination. The team will be again split up in two groups (different ones than before to make sure that new ideas come up with mixing of people). Each group has to come up with a prototype model of the initial system, remarks on its feasibility and coolness. Our results will be presented to all team members, so that potential projects may be limited to a final project. The preferred projects are:

  1. Music of Life: The basic idea is that instead of having an analog-to-digital converter with four outputs (three fluorescent proteins, and no output), we can have two switches. When switch A is on, RFP is produced. When switch B is on, GFP is produced. When both switches A and B are on, a yellowish output is observed. By recording these outputs, we can later create music, by assigning each fluorescent protein to a chord. For example, RFP would correspond to a G chord. The strength of the fluorescence can signify the strength of the chord. If the cells are placed on a spinning disk, we can have something like a vinyl player. A camera is observing the cells, and music is created on the fly.
  2. Learning: Based on the idea of the neural network, we want to create a biological system where the cells can learn a specific behavior. In order to simplify the system, we decided that the cells can learn to recognize a specific type of other cells. We divide the process in a learning phase and a recognition phase. First, cells A are put together with cells B. Then, cells A are “learning” to recognize cells B. If afterwards they are put in a petri dish with cells B, they will emit GFP. Otherwise, they will stay dark.

Final project

The chosen project is a modified version of Learning which was presented at the last meeting. The system proposed is modified, as in its current state may be implemented with two switches only, something which is really smashing. Keeping the idea of learning, training, and testing phases, we have come up with educatETH E.coli.