Difference between revisions of "Team:Stuttgart/Background-Information"

(Created page with "<html> <!--- THIS IS WHERE THE HTML BEGINS ---> <head> <link href="https://netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" rel="stylesheet" id="...")
 
 
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{{Template:Home}}
 
<html>
 
<html>
 
<!--- THIS IS WHERE THE HTML BEGINS --->
 
 
<head>
 
    <link href="https://netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" rel="stylesheet"
 
          id="bootstrap-css">
 
    <style>
 
 
 
        /***************************************************** DEFAULT WIKI SETTINGS  ****************************************************/
 
 
        /* Clear the default wiki settings */
 
 
        #home_logo, #sideMenu {
 
            display: none;
 
        }
 
 
        #sideMenu, #top_title, .patrollink {
 
            display: none;
 
        }
 
 
        #content {
 
            width: 100%;
 
            padding: 0px;
 
            margin-top: -7px;
 
            margin-left: 0px;
 
        }
 
 
        body {
 
            background: white;
 
        }
 
 
        #bodyContent h1, #bodyContent h2, #bodyContent h3, #bodyContent h4, #bodyContent h5 {
 
            margin-bottom: 0;
 
            color: #F8CE63;
 
        }
 
 
        table {;
 
        }
 
 
        /**************************************************************** MENU ***************************************************************/
 
        /* Wrapper for the menu */
 
        .igem_2017_menu_wrapper {
 
            width: 15%;
 
            height: 100vh;
 
            position: fixed;
 
            right: 0;
 
            padding: 0;
 
            float: right;
 
            border-left: 1px solid #F8CE63;
 
            background-color: white;
 
            text-align: left;
 
            font-family: Tahoma, Geneva, sans-serif;
 
            overflow-y: auto;
 
            overflow-x: hidden;
 
        }
 
 
        /* this hides the scrollbar to keep view consistency */
 
        .igem_2017_menu_wrappe::-webkit-scrollbar {
 
            display: none;
 
        }
 
 
        /* styling for links in the menu, removes the line under text */
 
        .igem_2017_menu_wrapper a {
 
            text-decoration: none;
 
        }
 
 
        /* styling for the images in the menu */
 
        .igem_2017_menu_wrapper img {
 
            width: 100%;
 
        }
 
 
        /* styling for the menu buttons */
 
        .igem_2017_menu_wrapper .menu_button {
 
            width: 100%;
 
            padding: 10px 0px 10px 15px;
 
            float: left;
 
            border-bottom: 1px solid #F8CE63;
 
            font-size: 16px;
 
            font-weight: bold;
 
            color: #F8CE63;
 
            cursor: pointer;
 
        }
 
 
        .igem_2017_menu_wrapper .menu_bottom_padding {
 
            width: 100%;
 
            height: 30px;
 
            float: left;
 
        }
 
 
        .menu_button.direct_to_page {
 
            padding-left: 36px;
 
        }
 
 
        .igem_2017_menu_wrapper .menu_button .expand_collapse_icon {
 
            width: 10%;
 
            float: left;
 
        }
 
 
        .igem_2017_menu_wrapper .menu_button .expand_collapse_icon::before {
 
            content: "+";
 
        }
 
 
        /* styling for the menu buttons on hover */
 
        .igem_2017_menu_wrapper .menu_button:hover, .igem_2017_menu_wrapper .submenu_button:hover, .submenu_button.current_page:hover {
 
            background-color: #F8CE63;
 
            text-decoration: none;
 
            color: #190707;
 
        }
 
 
        /* styling for the menu button when it is the current page */
 
        .current_page {
 
            background-color: white !important;
 
            color: #F8CE63 !important;
 
        }
 
 
        /* styling for the submenu buttons */
 
        .igem_2017_menu_wrapper .submenu_button {
 
            width: 100%;
 
            padding: 10px 0px 10px 34px;
 
            float: left;
 
            background-color: white;
 
            border-bottom: 1px solid #F8CE63;
 
            font-size: 15px;
 
            color: #F8CE63;
 
            cursor: pointer;
 
        }
 
 
        /* wrapper for the submenu items, they are hidden by default*/
 
        .igem_2017_menu_wrapper .submenu_wrapper {
 
            display: none;
 
        }
 
 
        /* when the page size is bigger than 800px, this show/hide control is hidden by default */
 
        .igem_2017_menu_wrapper #display_menu_control {
 
            display: none;
 
            text-align: center;
 
        }
 
 
        /***************************************************** CONTENT OF THE PAGE ****************************************************/
 
 
        /* Wrapper for the content */
 
        .igem_2017_content_wrapper {
 
            width: 83%;
 
            margin: 0;
 
            display: block;
 
            float: left;
 
            background-color: white;
 
            font-family: Tahoma, Geneva, sans-serif;
 
        }
 
 
        /********************************* HTML STYLING  *********************************/
 
 
        /* styling for the titles h1 h2 */
 
        .igem_2017_content_wrapper h1, .igem_2017_content_wrapper h2 {
 
            color: #F8CE63;
 
            padding: 15px 0 25px 0;
 
            border-bottom: 0;
 
        }
 
 
        /* styling for the titles  h3 h4 h5 h6*/
 
        .igem_2017_content_wrapper h3, .igem_2017_content_wrapper h4, .igem_2017_content_wrapper h5, .igem_2017_content_wrapper h6 {
 
            padding: 5px 15px;
 
            border-bottom: 0;
 
        }
 
 
        /* font and text */
 
        .container p,
 
        #HQ_page p {
 
            line-height: 24px;
 
            font-size: 16px;
 
            color: #333;
 
        }
 
 
        .igem_2017_content_wrapper img {
 
            padding: 15px 0;
 
        }
 
 
        /* Links */
 
        .igem_2017_content_wrapper a {
 
            font-weight: bold;
 
            text-decoration: underline;
 
            text-decoration-color: #190707;
 
            color: #3399ff;
 
            -webkit-transition: all 0.4s ease;
 
            -moz-transition: all 0.4s ease;
 
            -ms-transition: all 0.4s ease;
 
            -o-transition: all 0.4s ease;
 
            transition: all 0.4s ease;
 
        }
 
 
        /* hover for the links */
 
        .igem_2017_content_wrapper a:hover {
 
            text-decoration: none;
 
            color: #000000;
 
        }
 
 
        /* non numbered lists */
 
        .igem_2017_content_wrapper ul {
 
            padding: 0px 20px;
 
            font-size: 15px;
 
            font-family: Tahoma, Geneva, sans-serif;
 
        }
 
 
        /* numbered lists */
 
        .igem_2017_content_wrapper ol {
 
            padding: 0px;
 
            font-size: 15px;
 
            font-family: Tahoma, Geneva, sans-serif;
 
        }
 
 
        /* Table */
 
        .igem_2017_content_wrapper table {
 
            width: 97%;
 
            margin: 15px 10px;
 
            border: 2px solid #190707;
 
            border-collapse: collapse;
 
        }
 
 
        /* table cells */
 
        .igem_2017_content_wrapper td {
 
            padding: 10px;
 
            vertical-align: text-top;
 
            border: 1px solid #190707;
 
            border-collapse: collapse;
 
        }
 
 
        /* table headers */
 
        .igem_2017_content_wrapper th {
 
            padding: 10px;
 
            vertical-align: text-top;
 
            border: 1px solid #190707;
 
            border-collapse: collapse;
 
 
        }
 
 
        /**********************************LAYOUT CLASSES **********************************/
 
 
        /* general class for column divs */
 
        .igem_2017_content_wrapper .column {
 
            padding: 10px 0px;
 
            float: left;
 
        }
 
 
        /* class for a full width column */
 
        .column .full_size {
 
            width: 100%;
 
        }
 
 
        /* styling for images in a full width column*/
 
        .column.full_size img {
 
            width: 97%;
 
            padding: 10px 15px;
 
        }
 
 
        /* class for a half width column */
 
        .column.half_size {
 
            width: 50%;
 
        }
 
 
        /* styling for images in a half width column*/
 
        .column.half_size img {
 
            width: 94.5%;
 
            padding: 10px 15px;
 
        }
 
 
        /********************************* SUPPORT CLASSES ********************************/
 
 
        /* class that clears content below*/
 
        .igem_2017_content_wrapper .clear {
 
            clear: both;
 
        }
 
 
        /* adds extra spacing when clearing content */
 
        .igem_2017_content_wrapper .clear.extra_space {
 
            height: 30px;
 
        }
 
 
        /* highlight class, makes content slightly smaller */
 
        .igem_2017_content_wrapper .highlight {
 
            margin: 0px 15px;
 
            padding: 15px 0px;
 
        }
 
 
        /* highlight class, adds a gray background */
 
        .igem_2017_content_wrapper .highlight.gray {
 
            background-color: #190707;
 
        }
 
 
        /* highlight with decoration blue line on top */
 
        .igem_2017_content_wrapper .highlight.blue_top {
 
            border-top: 4px solid #190707;
 
        }
 
 
        /* highlight with a full blue border decoration */
 
        .igem_2017_content_wrapper .highlight.blue_border {
 
            border: 4px solid #190707;
 
        }
 
 
        /* button class */
 
        .igem_2017_content_wrapper .button {
 
            max-width: 35%;
 
            margin: 30px auto;
 
            padding: 12px 10px;
 
            background-color: #190707;
 
            text-align: center;
 
            color: #F8CE63;
 
            -webkit-transition: all 0.4s ease;
 
            -moz-transition: all 0.4s ease;
 
            -ms-transition: all 0.4s ease;
 
            -o-transition: all 0.4s ease;
 
            transition: all 0.4s ease;
 
        }
 
 
        /* styling for button on hover */
 
        .igem_2017_content_wrapper .button:hover {
 
            background-color: #190707;
 
            color: #F8CE63;
 
        }
 
 
        /***************************************************** RESPONSIVE STYLING ****************************************************/
 
 
        *, *:before, *:after {
 
            -webkit-box-sizing: border-box;
 
            -moz-box-sizing: border-box;
 
            box-sizing: border-box;
 
        }
 
 
        body {
 
            overflow-x: hidden;
 
            margin-top: 80px;
 
            letter-spacing: 0.02em;
 
        }
 
 
        /* IF THE SCREEN IS LESS THAN 1200PX */
 
        @media only screen and (max-width: 1024px) {
 
 
            #content {
 
                width: 100%;
 
            }
 
 
            .igem_2017_content_wrapper {
 
                width: 100%;
 
            }
 
 
            .igem_2017_menu_wrapper {
 
                width: 100%;
 
                height: 15%;
 
                position: relative;
 
                left: 0;
 
            }
 
 
            .highlight {
 
                padding: 10px 0px;
 
            }
 
 
            .igem_2017_menu_wrapper #display_menu_control {
 
                display: none;
 
            }
 
 
            #menu_content {
 
                display: block;
 
            }
 
 
            .menu_button.direct_to_page {
 
                padding-left: 17px;
 
            }
 
        }
 
 
        /* IF THE SCREEN IS LESS THAN 800PX */
 
        @media only screen and (max-width: 800px) {
 
 
            .igem_2017_content_wrapper {
 
                width: 100%;
 
                margin-left: 0;
 
            }
 
 
            .column.half_size {
 
                width: 100%;
 
            }
 
 
            .column.full_size img, .column.half_size img {
 
                width: 100%;
 
                padding: 10px 0;
 
            }
 
 
            .highlight {
 
                padding: 15px 5px;
 
            }
 
 
            .igem_2017_menu_wrapper #display_menu_control {
 
                display: block;
 
            }
 
 
            #menu_content {
 
                display: none;
 
            }
 
 
            .igem_2017_menu_wrapper .menu_button .expand_collapse_icon {
 
                width: 5%;
 
            }
 
 
            .menu_bottom_padding {
 
                display: none;
 
            }
 
 
            .menu_button.direct_to_page {
 
                padding-left: 36px;
 
            }
 
        }
 
 
        /* special class that the system uses to make sure the team wants a page to be evaluated */
 
        .judges-will-not-evaluate {
 
            width: 96.6%;
 
            margin: 5px 15px;
 
            display: block;
 
            border: 4px solid #3399ff;
 
            font-weight: bold;
 
        }
 
 
        /* CUSTOM BS NAVBAR STYLES */
 
        .navbar {
 
            border: 0;
 
        }
 
 
        .navbar-default {
 
            margin-top: 15px;
 
            background-color: #333;
 
        }
 
 
        .navbar-brand {
 
            padding: 0;
 
            padding-left: 25px;
 
            padding-right: 25px;
 
        }
 
 
        .navbar-brand img {
 
            height: 49px;
 
        }
 
 
        .navbar-default .navbar-nav > li > a {
 
            color: white;
 
        }
 
 
        .navbar-default .navbar-nav > li > a:focus,
 
        .navbar-default .navbar-nav > li > a:hover,
 
        .navbar-default .navbar-nav > .dropdown > a .caret:hover {
 
            color: #F8CE63;
 
        }
 
 
        .navbar-default .navbar-nav > .open > a,
 
        .navbar-default .navbar-nav > .open > a:hover,
 
        .navbar-default .navbar-nav > .open > a:focus {
 
            color: #F8CE63;
 
            background-color: #444;
 
        }
 
 
        .navbar-default .navbar-nav > .dropdown > a .caret {
 
            border-top-color: #eee;
 
            border-bottom-color: #eee;
 
        }
 
 
        .dropdown-menu {
 
            border: 0;
 
        }
 
        .dropdown-menu > li > a {
 
            color: white;
 
        }
 
 
        .dropdown-menu > li > a:hover,
 
        .dropdown-menu > li > a:focus {
 
            color: #111;
 
            text-decoration: none;
 
            background-color: #F8CE63;
 
        }
 
 
        .navbar-default .navbar-nav > .dropdown > a:hover .caret,
 
        .navbar-default .navbar-nav > .dropdown > a:focus .caret {
 
            border-top-color: white;
 
            border-bottom-color: white;
 
        }
 
 
        @media (max-width: 767px) {
 
            .navbar-default .navbar-nav .open .dropdown-menu>li>a {
 
                color: #ddd;
 
            }
 
            .navbar-default .navbar-nav .open .dropdown-menu>li>a:focus,
 
            .navbar-default .navbar-nav .open .dropdown-menu>li>a:hover {
 
                color: #F8CE63;
 
            }
 
        }
 
 
        .navbar-nav>li>.dropdown-menu {
 
            background-color: #444;
 
        }
 
 
        .section {
 
            margin: 25px 0;
 
        }
 
 
    </style>
 
    <script src="https://code.jquery.com/jquery-1.10.2.min.js"></script>
 
    <script src="https://netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
 
 
    <script>
 
        $(document).ready(function(){
 
            $("#mw-content-text").removeClass("mw-content-ltr");
 
        });
 
    </script>
 
 
 
    <!-- This tells the browser that your page is responsive -->
 
    <meta name="viewport" content="width=device-width, initial-scale=1">
 
 
</head>
 
<body>
 
 
<!--MENU-->
 
<nav class="navbar navbar-default navbar-fixed-top">
 
    <div class="container-fluid">
 
        <!-- Brand and toggle get grouped for better mobile display -->
 
        <div class="navbar-header">
 
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse"
 
                    data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
 
                <span class="sr-only">Toggle navigation</span>
 
                <span class="icon-bar"></span>
 
                <span class="icon-bar"></span>
 
                <span class="icon-bar"></span>
 
            </button>
 
            <a class="navbar-brand" href="https://2017.igem.org/Team:Stuttgart">
 
                <img alt="Team:Stuttgart"
 
                    src="https://static.igem.org/mediawiki/2017/1/18/UNISTUTTGARTLOGO.png">
 
            </a>
 
        </div>
 
 
        <!-- Collect the nav links, forms, and other content for toggling -->
 
        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
 
            <ul class="nav navbar-nav">
 
                <li>
 
                    <a href="https://2017.igem.org/Team:Stuttgart">Home</a>
 
                </li>
 
                <li class="dropdown">
 
                    <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true"
 
                      aria-expanded="false">Team <span class="caret"></span></a>
 
                    <ul class="dropdown-menu">
 
                        <li><a href="https://2017.igem.org/Team:Stuttgart/Team">Team</a></li>
 
                        <li><a href="https://2017.igem.org/Team:Stuttgart/Attributions">Attributions</a></li>
 
                        <li><a href="https://2017.igem.org/Team:Stuttgart/Sponsoring">Sponoring</a></li>
 
                        <!--<li role="separator" class="divider"></li>-->
 
                    </ul>
 
                </li>
 
                <li class="dropdown">
 
                    <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true"
 
                      aria-expanded="false">Project <span class="caret"></span></a>
 
                    <ul class="dropdown-menu">
 
                        <!--<li class="navbar-text navbar-left">Dry Lab</li>-->
 
                        <li><a href="https://2017.igem.org/Team:Stuttgart/Description">Description</a></li>
 
                        <li><a href="https://2017.igem.org/Team:Stuttgart/Background-Information">Background
 
                            Information</a></li>
 
                        <li><a href="https://2017.igem.org/Team:Stuttgart/Protocols">Protocols & Experiments</a></li>
 
                        <li><a href="https://2017.igem.org/Team:Stuttgart/Notebook">Notebook</a></li>
 
                        <li><a href="https://2017.igem.org/Team:Stuttgart/InterLab">Interlab Study</a></li>
 
                        <li><a href="https://2017.igem.org/Team:Stuttgart/Model">Modelling</a></li>
 
                        <li><a href="https://2017.igem.org/Team:Stuttgart/Results">Results</a></li>
 
                        <li><a href="https://2017.igem.org/Team:Stuttgart/Parts">Parts</a></li>
 
                        <!--<li role="separator" class="divider"></li>-->
 
                    </ul>
 
                </li>
 
                <li>
 
                    <a href="https://2017.igem.org/Team:Stuttgart/Safety">Safety</a>
 
                </li>
 
                <li class="dropdown">
 
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<p>Blockages of pipes are mostly removed with the help of chemical products or mechanical cleaning.
 +
Biological drain cleaners which are based on purified enzymes have a comparatively small market share.
 +
In case of a clogged household drain, residents usually try to solve the problem with various chemical agents and probably with a plunger (1).
 +
When nothing helps, a professional plumber is called who fights the blockage with mechanical methods what can even include dismantling of the pipe systems.
 +
Getting help from a specialist can get very expensive so most people try to unclog their household drains by themselves.
 +
Besides the acrid smell of chemical drain cleaners, these detergents can pose several risks.
 +
Typical ingredients are alkalis which do not only attack the blockage but also the enamel or glaze of shower trays and basins. 
 +
However, alkalis such as sodium hydroxide is not only a threat to your sanitary installations but also to you (1)!
 +
Sodium hydroxide is corrosive thereby constituting a hazard for human health, especially for children – even if it is highly diluted.
 +
<i>Over 40 children accidentally [were] treated with drain cleaner instead of dental fluid</i> (2)– just to name one recent case of mistakenly used drain cleaner.
 +
Even worse, some chemical drain cleaners contain sulfuric acid and thereby can be abused as a weapon for so called acid attacks – a weapon which can be bought right off the shelf.
 +
These acid attacks are not only a problem of Southeast Asia, but also a growing one in the Western world, e.g. in the UK.
 +
Just have a look on these newspaper articles: <i>Torture in a Bottle. How London became the world capital for acid attacks on young men</i> (3) or <i>London acid attacks: 91% sulphuric acid drain cleaner on sale in UK stores</i> (4).
 +
But how can this dilemma be solved?!
 +
<br><br>
 +
We – the iGEM Team Stuttgart – work on a biological cleaner based on a holistic approach using <i>E.coli</i>.
 +
Our biological drain cleaner only contains the positive aspects of both the chemical and mechanical methods: It is easy and save to use that is why no specialist is needed for the application and thereby a lot of money can be saved. 
 +
And the best, there exists no hazard for human health as we can totally go without corrosive substances. So, unclog your drains only with LIGHT UP THE PIPE!
 +
</p>
 
</div>
 
</div>
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</div>
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<div class="row section">
 +
    <div class="col-xs-12 col-sm-12 col-md-12">
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<p> See current article of the "fatberg monster" that blocks London sewage system: <a href="https://www.theguardian.com/environment/2017/sep/12/total-monster-concrete-fatberg-blocks-london-sewage-system"> 'Total monster':fatberg blocks London sewage system (the guardian)</a>
 +
</p>
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<foot>
 +
  <p>REFERENCES</p>
 +
<ol>
 +
<li>https://www.dbu.de/OPAC/ab/DBU-Abschlussbericht-AZ-28332.pdf</li>
 +
<li>https://www.independent.ie/irish-news/over-40-children-accidentally-treated-with-drain-cleaner-instead-of-dental-fluid-36204726.html</li>
 +
<li>http://edition.cnn.com/2017/09/29/europe/london-acid-attacks/index.html</li>
 +
<li>http://www.ibtimes.co.uk/london-acid-attacks-91-sulphuric-acid-drain-cleaner-sale-uk-stores-1630389</li>
 +
</ol>
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Latest revision as of 17:01, 1 November 2017

Background Information

Blockages of pipes are mostly removed with the help of chemical products or mechanical cleaning. Biological drain cleaners which are based on purified enzymes have a comparatively small market share. In case of a clogged household drain, residents usually try to solve the problem with various chemical agents and probably with a plunger (1). When nothing helps, a professional plumber is called who fights the blockage with mechanical methods what can even include dismantling of the pipe systems. Getting help from a specialist can get very expensive so most people try to unclog their household drains by themselves. Besides the acrid smell of chemical drain cleaners, these detergents can pose several risks. Typical ingredients are alkalis which do not only attack the blockage but also the enamel or glaze of shower trays and basins. However, alkalis such as sodium hydroxide is not only a threat to your sanitary installations but also to you (1)! Sodium hydroxide is corrosive thereby constituting a hazard for human health, especially for children – even if it is highly diluted. Over 40 children accidentally [were] treated with drain cleaner instead of dental fluid (2)– just to name one recent case of mistakenly used drain cleaner. Even worse, some chemical drain cleaners contain sulfuric acid and thereby can be abused as a weapon for so called acid attacks – a weapon which can be bought right off the shelf. These acid attacks are not only a problem of Southeast Asia, but also a growing one in the Western world, e.g. in the UK. Just have a look on these newspaper articles: Torture in a Bottle. How London became the world capital for acid attacks on young men (3) or London acid attacks: 91% sulphuric acid drain cleaner on sale in UK stores (4). But how can this dilemma be solved?!

We – the iGEM Team Stuttgart – work on a biological cleaner based on a holistic approach using E.coli. Our biological drain cleaner only contains the positive aspects of both the chemical and mechanical methods: It is easy and save to use that is why no specialist is needed for the application and thereby a lot of money can be saved. And the best, there exists no hazard for human health as we can totally go without corrosive substances. So, unclog your drains only with LIGHT UP THE PIPE!

See current article of the "fatberg monster" that blocks London sewage system: 'Total monster':fatberg blocks London sewage system (the guardian)





REFERENCES

  1. https://www.dbu.de/OPAC/ab/DBU-Abschlussbericht-AZ-28332.pdf
  2. https://www.independent.ie/irish-news/over-40-children-accidentally-treated-with-drain-cleaner-instead-of-dental-fluid-36204726.html
  3. http://edition.cnn.com/2017/09/29/europe/london-acid-attacks/index.html
  4. http://www.ibtimes.co.uk/london-acid-attacks-91-sulphuric-acid-drain-cleaner-sale-uk-stores-1630389