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	<title>classrooms &#8211; BIOENGINEER.ORG</title>
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		<title>Low-Cost DIY Box Fans Cut Classroom Airborne Particles by 61 Percent</title>
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		<pubDate>Sat, 17 Oct 2026 18:54:03 +0000</pubDate>
				<category><![CDATA[Chemistry]]></category>
		<category><![CDATA[ACS ES&T Air]]></category>
		<category><![CDATA[air filtration]]></category>
		<category><![CDATA[airborne disease transmission]]></category>
		<category><![CDATA[box fan]]></category>
		<category><![CDATA[classrooms]]></category>
		<category><![CDATA[Corsi-Rosenthal Box]]></category>
		<category><![CDATA[DIY air purifier]]></category>
		<category><![CDATA[indoor air quality]]></category>
		<category><![CDATA[particulate matter]]></category>
		<category><![CDATA[Public Health]]></category>
		<category><![CDATA[school ventilation]]></category>
		<category><![CDATA[University of Connecticut]]></category>
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					<description><![CDATA[A study in ACS ES&#38;T Air found that do-it-yourself Corsi-Rosenthal Boxes reduced particulate matter in occupied university classrooms by 61 percent while operating quietly and costing far less than commercial air purifiers.]]></description>
		
		
		
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