Team:SUSTC-Shenzhen-B

From 2012.igem.org

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<title>SUSTC Shenzhen B:Welcome</title>
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== '''Description of Our Project''' ==
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    Project Overview
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<h3> Background </h3>
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*'''Motivation:'''
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During every synthesis, biologists need to find the proper terminator,which is a tough work . If they can deal with the problem without manual work but electronics,  time will be saved a lot. We want to get the goal that when one inputs the sequence of their designed parts or the wanted terminator efficiency on their laptops,our program can immediately output the efficiency or the terminators .on the screen, which they can use directly in their productions. It will save plenty of time and work.
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*'''Background:'''
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It is important that transcription is imperfectly terminated at some terminator so that the ratio of the amount of downstream of the terminator is controlled. That synthesis in biology needs not perfect termination but a property to pass. Up to now, biologists have built a approximated system which allows us to predict the terminator efficiency of a known-sequence terminator, and even design a terminator with wanted terminator efficiency.
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Waste water treatment is an essential process. It is important for waste discharge and water reuse in industry as well as being a necessity in suburban settings. While there are different processes which are used for waste water treatment, two of these processes are the conventional process and the membrane bioreactor process (MBR). The conventional process uses the action of microorganisms to the breakdown chemical components of effluent systems.
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*'''What to do:'''
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Our aim is to design a software----T.E.Q  which can achieve goals stated below:
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Unfortunately, the conventional process cannot keep up with the demands of the rising population. Therefore, the MBR has gained popularity. The MBR was developed 40 years ago, and has been used commercially for almost 30 years in Japan. Apart for muncipal and industrial purposes, the MBR is also for (1)Filtration (2) Ultrafiltration (3) Microfiltration (4) Removal of salts (5) Reverse Osmosis (6) Nanofiltration (7) Irrigation. This process uses membrane coupled aerobic bioreactors and an activated sludged system with an integrated membrane, therby eliminating the need for a final clarifier. There is also something known as membrane fouling which in other words is the membrane performance. This performance is dependent on the effluent quality of the biofilm reactor and it varies with the hydraulic retention time (it's  the time the wastewater takes to pass through the system). Due to the increase in population, MBR must be used. Apart from this there are several other advantages MBR has over the conventional process. 
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#The software contains a database of terminator efficiency. This database includes many sequences of terminator and its efficiency. All the sequences were collected by our team members.
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#If you enter a sequence of terminator, it can calculate the free energy and the efficiency of this sequence. Besides, it will also predict the structure of the sequence.
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Some advantages of MBR are :
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<li> Reduction of importance of biomass sedimentation, thus allowing a significantly smaller tank compared to conventional process.</li>
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<li> The biosolids which are to be treated are low dense solids, theirs rate of settlement would be slow. Thus a larger tank (more space) js required in the conventional process. </li>
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<li> Consistently high effluent quality, and operational separation of solids retention time( it is the average time for the activated sludge solids to be in the system. This is usually expressed in days)  and hydraulic retention time.
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While there are advantages too, there are disadvantages as well. </li>
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<li> The membrane fouling uses aeration since fouling is best achieved by large bubbles. Thus it uses a lot of energy for aeration and compared to conventional treatment. </li>
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<h3>Technical Project </h3>
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    Biofilms are adherent aggregates of microorganisms that develop on surfaces.  They can be found in a multitude of natural circumstances (for example, the bottom of streams, inside of plants, and on teeth) and can be utilized for tasks such as water treatment.  In water treatment, water is run over the biofilm, and microorganisms absorb and digest undesirable compounds.  The force of the water can cause part of the biofilm to break off and become a sludge that must later be removed.
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|align="center"|[[Team:SUSTC-Shenzhen-B | Team SUSTC-Shenzhen-B]]
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A silica barrier on the exterior of the biofilm would help to prevent sludge while still allowing the biofilm to function. Furthermore, a silica coat would act as a mechanical filter to remove any large particles from the water. In order for this silica coat to form, silica binding protein (SBP) needs to be expressed on the surface of the microorganisms. Our objective is to develop a device in Escherichia coli that will induce the expression of adhesion proteins to facilitate biofilm formation and will induce the production of SBP after a biofilm has formed.
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<h2> Human Practices </h2>
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In addition to the technical component of the project, an iGEM project entails a element promoting public awareness and education of synthetic biology and genetic engineering, designated "Human Practices". We are proud to represent this element of our project with our flagship effort - the foundation of the  <a href="http://2012.igem.org/Team:Purdue/Biomaker_Bench"> Biomaker Bench </a>, a community biotech laboratory in Noblesville, IN. In addition, the team has been commissioned by the Central Indiana Regional Office of Girl Scouts of America to develop a curriculum for a badge in biotechnology. For more information on these projects and to view other efforts in community involvement and public awareness, visit the page  <a href="http://2012.igem.org/Team:Purdue/Human_Practices"> Human Practices </a>.
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<!--- The Mission, Experiments --->
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    Collaboration
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    If you would like to collaborate with Purdue, please send an email to purdue.igem@gmail.com
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<center><img border="2" src="wiki/images/e/e1/Purdue_logo.png" alt="Purdue iGem" width="304" height="228" /></center>
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<a href="http://www.dowagro.com/">
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<center><img border="1" src="wiki/images/e/e3/Agrosciences_logo.png" alt="DOW Agrosciences" width="300" height="50" /></center> </a>
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{| style="color:#1b2c8a;background-color:#0c6;" cellpadding="3" cellspacing="1" border="1" bordercolor="#fff" width="62%" align="center"
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!align="center"|[[Team:SUSTC-Shenzhen-B|Home]]
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!align="center"|[[Team:SUSTC-Shenzhen-B/Team|Team]]
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!align="center"|[http://igem.org/Team.cgi?year=2012&team_name=SUSTC-Shenzhen-B Official Team Profile]
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!align="center"|[[Team:SUSTC-Shenzhen-B/Project|Project]]
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!align="center"|[[Team:SUSTC-Shenzhen-B/Parts|Parts Submitted to the Registry]]
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!align="center"|[[Team:SUSTC-Shenzhen-B/Modeling|Modeling]]
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!align="center"|[[Team:SUSTC-Shenzhen-B/Notebook|Notebook]]
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!align="center"|[[Team:SUSTC-Shenzhen-B/Safety|Safety]]
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!align="center"|[[Team:SUSTC-Shenzhen-B/Attributions|Attributions]]
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Revision as of 06:28, 25 July 2012



Project Overview

Background

Waste water treatment is an essential process. It is important for waste discharge and water reuse in industry as well as being a necessity in suburban settings. While there are different processes which are used for waste water treatment, two of these processes are the conventional process and the membrane bioreactor process (MBR). The conventional process uses the action of microorganisms to the breakdown chemical components of effluent systems.

Unfortunately, the conventional process cannot keep up with the demands of the rising population. Therefore, the MBR has gained popularity. The MBR was developed 40 years ago, and has been used commercially for almost 30 years in Japan. Apart for muncipal and industrial purposes, the MBR is also for (1)Filtration (2) Ultrafiltration (3) Microfiltration (4) Removal of salts (5) Reverse Osmosis (6) Nanofiltration (7) Irrigation. This process uses membrane coupled aerobic bioreactors and an activated sludged system with an integrated membrane, therby eliminating the need for a final clarifier. There is also something known as membrane fouling which in other words is the membrane performance. This performance is dependent on the effluent quality of the biofilm reactor and it varies with the hydraulic retention time (it's the time the wastewater takes to pass through the system). Due to the increase in population, MBR must be used. Apart from this there are several other advantages MBR has over the conventional process.

Some advantages of MBR are :
  1. Reduction of importance of biomass sedimentation, thus allowing a significantly smaller tank compared to conventional process.
  2. The biosolids which are to be treated are low dense solids, theirs rate of settlement would be slow. Thus a larger tank (more space) js required in the conventional process.
  3. Consistently high effluent quality, and operational separation of solids retention time( it is the average time for the activated sludge solids to be in the system. This is usually expressed in days) and hydraulic retention time. While there are advantages too, there are disadvantages as well.
  4. The membrane fouling uses aeration since fouling is best achieved by large bubbles. Thus it uses a lot of energy for aeration and compared to conventional treatment.

Technical Project

Biofilms are adherent aggregates of microorganisms that develop on surfaces. They can be found in a multitude of natural circumstances (for example, the bottom of streams, inside of plants, and on teeth) and can be utilized for tasks such as water treatment. In water treatment, water is run over the biofilm, and microorganisms absorb and digest undesirable compounds. The force of the water can cause part of the biofilm to break off and become a sludge that must later be removed.

A silica barrier on the exterior of the biofilm would help to prevent sludge while still allowing the biofilm to function. Furthermore, a silica coat would act as a mechanical filter to remove any large particles from the water. In order for this silica coat to form, silica binding protein (SBP) needs to be expressed on the surface of the microorganisms. Our objective is to develop a device in Escherichia coli that will induce the expression of adhesion proteins to facilitate biofilm formation and will induce the production of SBP after a biofilm has formed.

Human Practices

In addition to the technical component of the project, an iGEM project entails a element promoting public awareness and education of synthetic biology and genetic engineering, designated "Human Practices". We are proud to represent this element of our project with our flagship effort - the foundation of the Biomaker Bench , a community biotech laboratory in Noblesville, IN. In addition, the team has been commissioned by the Central Indiana Regional Office of Girl Scouts of America to develop a curriculum for a badge in biotechnology. For more information on these projects and to view other efforts in community involvement and public awareness, visit the page Human Practices .

Collaboration

If you would like to collaborate with Purdue, please send an email to purdue.igem@gmail.com

Purdue iGem


DOW Agrosciences