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	<title>guaraná &#8211; BIOENGINEER.ORG</title>
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		<title>Guaraná-Powered Silver Nanoparticles Detect Pesticide and Show Dose-Dependent Effects on Seeds</title>
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		<pubDate>Fri, 09 Oct 2026 14:49:56 +0000</pubDate>
				<category><![CDATA[Chemistry]]></category>
		<category><![CDATA[carbon black]]></category>
		<category><![CDATA[cyclic voltammetry]]></category>
		<category><![CDATA[deltamethrin]]></category>
		<category><![CDATA[electrochemistry]]></category>
		<category><![CDATA[green synthesis]]></category>
		<category><![CDATA[guaraná]]></category>
		<category><![CDATA[nanotechnology]]></category>
		<category><![CDATA[Paullinia cupana]]></category>
		<category><![CDATA[phytotoxicity]]></category>
		<category><![CDATA[pyrethroid]]></category>
		<category><![CDATA[Seed germination]]></category>
		<category><![CDATA[silver nanoparticles]]></category>
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					<description><![CDATA[Brazilian researchers used guaraná seed extract to synthesize silver nanoparticles that showed diffusion-influenced electrochemical responses to a commercial deltamethrin formulation and concentration-dependent effects on gherkin and coriander seed germination.]]></description>
		
		
		
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