<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"
	xmlns:content="http://purl.org/rss/1.0/modules/content/"
	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
	xmlns:dc="http://purl.org/dc/elements/1.1/"
	xmlns:atom="http://www.w3.org/2005/Atom"
	xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
	xmlns:slash="http://purl.org/rss/1.0/modules/slash/"
	>

<channel>
	<title>Ultra-lightweight &#8211; BIOENGINEER.ORG</title>
	<atom:link href="https://bioengineer.org/tag/ultra-lightweight/feed/" rel="self" type="application/rss+xml" />
	<link>https://bioengineer.org</link>
	<description>Bioengineering</description>
	<lastBuildDate>Sat, 24 Oct 2026 11:35:21 +0000</lastBuildDate>
	<language>en-US</language>
	<sy:updatePeriod>
	hourly	</sy:updatePeriod>
	<sy:updateFrequency>
	1	</sy:updateFrequency>
	<generator>https://wordpress.org/?v=7.1.3</generator>

<image>
	<url>https://bioengineer.org/wp-content/uploads/2019/09/cropped-bioengineering-32x32.png</url>
	<title>Ultra-lightweight &#8211; BIOENGINEER.ORG</title>
	<link>https://bioengineer.org</link>
	<width>32</width>
	<height>32</height>
</image> 
<site xmlns="com-wordpress:feed-additions:1">72741379</site>	<item>
		<title>Boron-enriched polymer films cut thermal neutron shielding thickness by 99 percent</title>
		<link>https://bioengineer.org/boron-enriched-polymer-films-cut-thermal-neutron-shielding-thickness-by-99-percent/</link>
		
		<dc:creator><![CDATA[]]></dc:creator>
		<pubDate>Sat, 24 Oct 2026 11:35:21 +0000</pubDate>
				<category><![CDATA[Technology]]></category>
		<category><![CDATA[boric acid]]></category>
		<category><![CDATA[boron-enriched]]></category>
		<category><![CDATA[composites]]></category>
		<category><![CDATA[Hydrogen]]></category>
		<category><![CDATA[materials science]]></category>
		<category><![CDATA[neutron shielding]]></category>
		<category><![CDATA[polymer]]></category>
		<category><![CDATA[Polymer composites]]></category>
		<category><![CDATA[polyvinyl alcohol]]></category>
		<category><![CDATA[radiation protection]]></category>
		<category><![CDATA[superior]]></category>
		<category><![CDATA[Ultra-lightweight]]></category>
		<guid isPermaLink="false">https://bioengineer.org/?p=451703</guid>

					<description><![CDATA[Flexible polyvinyl alcohol films containing up to 50 weight percent boric acid reduced the thermal neutron half value layer from 31.85 to 0.219 centimeters in a laboratory study, while fast neutron attenuation and thermal stability also improved.]]></description>
		
		
		
		<post-id xmlns="com-wordpress:feed-additions:1">451703</post-id>	</item>
	</channel>
</rss>
