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	<title>NMR chemical shifts &#8211; BIOENGINEER.ORG</title>
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		<title>Ancient Turkey Red Dye Alizarin Emerges as Safe, Sustainable Colorant for Toys</title>
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		<category><![CDATA[alizarin]]></category>
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		<category><![CDATA[DFT]]></category>
		<category><![CDATA[HOMO-LUMO gap]]></category>
		<category><![CDATA[intramolecular hydrogen bonding]]></category>
		<category><![CDATA[natural dyes]]></category>
		<category><![CDATA[NMR chemical shifts]]></category>
		<category><![CDATA[QSAR toxicity prediction]]></category>
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					<description><![CDATA[Quantum chemical calculations show that the historic natural dye alizarin combines vivid orange-red color, structural stability, and a favorable predicted safety profile, making it a promising sustainable colorant for children's toys.]]></description>
		
		
		
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