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	<id>https://bionmr.unl.edu/mediawiki/mediawiki/index.php?action=history&amp;feed=atom&amp;title=Traffic_Light_Reaction</id>
	<title>Traffic Light Reaction - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://bionmr.unl.edu/mediawiki/mediawiki/index.php?action=history&amp;feed=atom&amp;title=Traffic_Light_Reaction"/>
	<link rel="alternate" type="text/html" href="https://bionmr.unl.edu/mediawiki/mediawiki/index.php?title=Traffic_Light_Reaction&amp;action=history"/>
	<updated>2026-04-26T16:37:44Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.38.2</generator>
	<entry>
		<id>https://bionmr.unl.edu/mediawiki/mediawiki/index.php?title=Traffic_Light_Reaction&amp;diff=1373&amp;oldid=prev</id>
		<title>Mjeppesen at 18:48, 27 March 2024</title>
		<link rel="alternate" type="text/html" href="https://bionmr.unl.edu/mediawiki/mediawiki/index.php?title=Traffic_Light_Reaction&amp;diff=1373&amp;oldid=prev"/>
		<updated>2024-03-27T18:48:06Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 18:48, 27 March 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l16&quot;&gt;Line 16:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 16:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[category:&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Maxey &lt;/del&gt;Demos]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[category:Demos]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Mjeppesen</name></author>
	</entry>
	<entry>
		<id>https://bionmr.unl.edu/mediawiki/mediawiki/index.php?title=Traffic_Light_Reaction&amp;diff=1103&amp;oldid=prev</id>
		<title>Mjeppesen at 18:20, 11 January 2022</title>
		<link rel="alternate" type="text/html" href="https://bionmr.unl.edu/mediawiki/mediawiki/index.php?title=Traffic_Light_Reaction&amp;diff=1103&amp;oldid=prev"/>
		<updated>2022-01-11T18:20:19Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 18:20, 11 January 2022&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l15&quot;&gt;Line 15:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 15:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In a beaker containing 250 ml of distilled water, add 3 g of dextrose and stir until it dissolves. Next, add 5 g of sodium hydroxide pellets into the same beaker, and use a stirring rod to break apart the pellets so that they will dissolve quickly. Once this is done, pour the contents of the beaker into the glass flask, and add between 5-10 ml of the indigo carmine indicator. Enough should be added to the solution so that it turns a yellow color. Put the stopper in the flask, and let it sit for ten minutes. After ten minutes, the solution should be ready for the demonstration. Shake the flask once or twice, and it should turn a red color. Shake once or twice again, and it should turn green. Then, if it sits, it should turn back to the yellow color.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In a beaker containing 250 ml of distilled water, add 3 g of dextrose and stir until it dissolves. Next, add 5 g of sodium hydroxide pellets into the same beaker, and use a stirring rod to break apart the pellets so that they will dissolve quickly. Once this is done, pour the contents of the beaker into the glass flask, and add between 5-10 ml of the indigo carmine indicator. Enough should be added to the solution so that it turns a yellow color. Put the stopper in the flask, and let it sit for ten minutes. After ten minutes, the solution should be ready for the demonstration. Shake the flask once or twice, and it should turn a red color. Shake once or twice again, and it should turn green. Then, if it sits, it should turn back to the yellow color.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[category:Protocols]]&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[category:Demos]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[category:&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Maxey &lt;/ins&gt;Demos]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Mjeppesen</name></author>
	</entry>
	<entry>
		<id>https://bionmr.unl.edu/mediawiki/mediawiki/index.php?title=Traffic_Light_Reaction&amp;diff=941&amp;oldid=prev</id>
		<title>Mjeppesen: Added to Category</title>
		<link rel="alternate" type="text/html" href="https://bionmr.unl.edu/mediawiki/mediawiki/index.php?title=Traffic_Light_Reaction&amp;diff=941&amp;oldid=prev"/>
		<updated>2021-09-11T04:09:57Z</updated>

		<summary type="html">&lt;p&gt;Added to Category&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 04:09, 11 September 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l14&quot;&gt;Line 14:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 14:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In a beaker containing 250 ml of distilled water, add 3 g of dextrose and stir until it dissolves. Next, add 5 g of sodium hydroxide pellets into the same beaker, and use a stirring rod to break apart the pellets so that they will dissolve quickly. Once this is done, pour the contents of the beaker into the glass flask, and add between 5-10 ml of the indigo carmine indicator. Enough should be added to the solution so that it turns a yellow color. Put the stopper in the flask, and let it sit for ten minutes. After ten minutes, the solution should be ready for the demonstration. Shake the flask once or twice, and it should turn a red color. Shake once or twice again, and it should turn green. Then, if it sits, it should turn back to the yellow color.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In a beaker containing 250 ml of distilled water, add 3 g of dextrose and stir until it dissolves. Next, add 5 g of sodium hydroxide pellets into the same beaker, and use a stirring rod to break apart the pellets so that they will dissolve quickly. Once this is done, pour the contents of the beaker into the glass flask, and add between 5-10 ml of the indigo carmine indicator. Enough should be added to the solution so that it turns a yellow color. Put the stopper in the flask, and let it sit for ten minutes. After ten minutes, the solution should be ready for the demonstration. Shake the flask once or twice, and it should turn a red color. Shake once or twice again, and it should turn green. Then, if it sits, it should turn back to the yellow color.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[category:Protocols]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[category:Demos]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Mjeppesen</name></author>
	</entry>
	<entry>
		<id>https://bionmr.unl.edu/mediawiki/mediawiki/index.php?title=Traffic_Light_Reaction&amp;diff=729&amp;oldid=prev</id>
		<title>Acrook: Created page with &quot; == Supplies ==  - Glucose:0.1M,250ml (take Glucose bottle)  - NaOH:3M,10ml (take NaOH bottle)  - Indicator: Indigo carmine  - 500ml Flask with a stopper (good stopper!) and g...&quot;</title>
		<link rel="alternate" type="text/html" href="https://bionmr.unl.edu/mediawiki/mediawiki/index.php?title=Traffic_Light_Reaction&amp;diff=729&amp;oldid=prev"/>
		<updated>2021-01-06T18:55:48Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot; == Supplies ==  - Glucose:0.1M,250ml (take Glucose bottle)  - NaOH:3M,10ml (take NaOH bottle)  - Indicator: Indigo carmine  - 500ml Flask with a stopper (good stopper!) and g...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&lt;br /&gt;
== Supplies ==&lt;br /&gt;
&lt;br /&gt;
- Glucose:0.1M,250ml (take Glucose bottle)&lt;br /&gt;
&lt;br /&gt;
- NaOH:3M,10ml (take NaOH bottle)&lt;br /&gt;
&lt;br /&gt;
- Indicator: Indigo carmine&lt;br /&gt;
&lt;br /&gt;
- 500ml Flask with a stopper (good stopper!) and glass rod for stiring&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
== Procedure ==&lt;br /&gt;
&lt;br /&gt;
In a beaker containing 250 ml of distilled water, add 3 g of dextrose and stir until it dissolves. Next, add 5 g of sodium hydroxide pellets into the same beaker, and use a stirring rod to break apart the pellets so that they will dissolve quickly. Once this is done, pour the contents of the beaker into the glass flask, and add between 5-10 ml of the indigo carmine indicator. Enough should be added to the solution so that it turns a yellow color. Put the stopper in the flask, and let it sit for ten minutes. After ten minutes, the solution should be ready for the demonstration. Shake the flask once or twice, and it should turn a red color. Shake once or twice again, and it should turn green. Then, if it sits, it should turn back to the yellow color.&lt;/div&gt;</summary>
		<author><name>Acrook</name></author>
	</entry>
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