<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Nikam, Shrikant B.</style></author><author><style face="normal" font="default" size="100%">Asha S. K</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Enantioselective separation of amino acids using chiral polystyrene microspheres synthesized by a post-polymer modification approach</style></title><secondary-title><style face="normal" font="default" size="100%">ACS Polymers Au</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2022</style></year><pub-dates><date><style  face="normal" font="default" size="100%">MAR</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">2</style></volume><pages><style face="normal" font="default" size="100%">257–265</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;
	&lt;span style=&quot;color: rgb(0, 0, 0); font-family: georgia, serif; font-size: 17.008px; background-color: rgb(244, 244, 244);&quot;&gt;The enantioselective separation of a racemic mixture of amino acids was achieved by chiral amino acid-modified polystyrene (PS) that was developed by a post-polymer modification approach. Styrene was polymerized using the reversible addition–fragmentation chain-transfer (RAFT) polymerization technique and further post-polymer modification was applied by Friedel–Crafts acylation reaction with chiral&amp;nbsp;&lt;/span&gt;&lt;i style=&quot;box-sizing: border-box; outline: none; color: rgb(0, 0, 0); font-family: georgia, serif; font-size: 17.008px; background-color: rgb(244, 244, 244);&quot;&gt;N&lt;/i&gt;&lt;span style=&quot;color: rgb(0, 0, 0); font-family: georgia, serif; font-size: 17.008px; background-color: rgb(244, 244, 244);&quot;&gt;-phthaloyl-&lt;/span&gt;&lt;span class=&quot;smallcaps smallerCapital&quot; style=&quot;box-sizing: border-box; outline: none; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-caps: small-caps; font-variant-alternates: normal; color: rgb(0, 0, 0); font-family: georgia, serif; font-size: 17.008px; background-color: rgb(244, 244, 244);&quot;&gt;l&lt;/span&gt;&lt;span style=&quot;color: rgb(0, 0, 0); font-family: georgia, serif; font-size: 17.008px; background-color: rgb(244, 244, 244);&quot;&gt;-leucine acid chloride to obtain the protected PS-&lt;/span&gt;&lt;span class=&quot;smallcaps smallerCapital&quot; style=&quot;box-sizing: border-box; outline: none; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-caps: small-caps; font-variant-alternates: normal; color: rgb(0, 0, 0); font-family: georgia, serif; font-size: 17.008px; background-color: rgb(244, 244, 244);&quot;&gt;l&lt;/span&gt;&lt;span style=&quot;color: rgb(0, 0, 0); font-family: georgia, serif; font-size: 17.008px; background-color: rgb(244, 244, 244);&quot;&gt;-Leu. The chiral PS (protected PS-&lt;/span&gt;&lt;span class=&quot;smallcaps smallerCapital&quot; style=&quot;box-sizing: border-box; outline: none; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-caps: small-caps; font-variant-alternates: normal; color: rgb(0, 0, 0); font-family: georgia, serif; font-size: 17.008px; background-color: rgb(244, 244, 244);&quot;&gt;l&lt;/span&gt;&lt;span style=&quot;color: rgb(0, 0, 0); font-family: georgia, serif; font-size: 17.008px; background-color: rgb(244, 244, 244);&quot;&gt;-Leu) was assembled into microspheres using a surfactant and was used for carrying out the enantioselective separation of amino acid racemic mixtures by enantioselective adsorption followed by a simple filtration process. Compared to as-precipitated chiral PS (protected PS-&lt;/span&gt;&lt;span class=&quot;smallcaps smallerCapital&quot; style=&quot;box-sizing: border-box; outline: none; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-caps: small-caps; font-variant-alternates: normal; color: rgb(0, 0, 0); font-family: georgia, serif; font-size: 17.008px; background-color: rgb(244, 244, 244);&quot;&gt;l&lt;/span&gt;&lt;span style=&quot;color: rgb(0, 0, 0); font-family: georgia, serif; font-size: 17.008px; background-color: rgb(244, 244, 244);&quot;&gt;-Leu) powder, the protected PS-&lt;/span&gt;&lt;span class=&quot;smallcaps smallerCapital&quot; style=&quot;box-sizing: border-box; outline: none; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-caps: small-caps; font-variant-alternates: normal; color: rgb(0, 0, 0); font-family: georgia, serif; font-size: 17.008px; background-color: rgb(244, 244, 244);&quot;&gt;l&lt;/span&gt;&lt;span style=&quot;color: rgb(0, 0, 0); font-family: georgia, serif; font-size: 17.008px; background-color: rgb(244, 244, 244);&quot;&gt;-Leu microspheres exhibited a better enantioselective separation efficiency (ee %). Furthermore, the protected PS-&lt;/span&gt;&lt;span class=&quot;smallcaps smallerCapital&quot; style=&quot;box-sizing: border-box; outline: none; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-caps: small-caps; font-variant-alternates: normal; color: rgb(0, 0, 0); font-family: georgia, serif; font-size: 17.008px; background-color: rgb(244, 244, 244);&quot;&gt;l&lt;/span&gt;&lt;span style=&quot;color: rgb(0, 0, 0); font-family: georgia, serif; font-size: 17.008px; background-color: rgb(244, 244, 244);&quot;&gt;-Leu was deprotected to obtain the amine-functionalized deprotected PS-&lt;/span&gt;&lt;span class=&quot;smallcaps smallerCapital&quot; style=&quot;box-sizing: border-box; outline: none; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-caps: small-caps; font-variant-alternates: normal; color: rgb(0, 0, 0); font-family: georgia, serif; font-size: 17.008px; background-color: rgb(244, 244, 244);&quot;&gt;l&lt;/span&gt;&lt;span style=&quot;color: rgb(0, 0, 0); font-family: georgia, serif; font-size: 17.008px; background-color: rgb(244, 244, 244);&quot;&gt;-Leu chiral PS, which was also assembled into microspheres and used for carrying out enantioselective separation. Deprotected PS-&lt;/span&gt;&lt;span class=&quot;smallcaps smallerCapital&quot; style=&quot;box-sizing: border-box; outline: none; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-caps: small-caps; font-variant-alternates: normal; color: rgb(0, 0, 0); font-family: georgia, serif; font-size: 17.008px; background-color: rgb(244, 244, 244);&quot;&gt;l&lt;/span&gt;&lt;span style=&quot;color: rgb(0, 0, 0); font-family: georgia, serif; font-size: 17.008px; background-color: rgb(244, 244, 244);&quot;&gt;-Leu-functionalized chiral PS microspheres could achieve up to 81.6 ee % for the enantioselective separation of a racemic mixture of leucine. This is one of the first reports of the synthesis of amino acid-modified chiral PS microspheres and their application to the simple filtration-based enantioselective separation of native amino acids from their racemic mixtures.&lt;/span&gt;&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">4</style></issue><work-type><style face="normal" font="default" size="100%">Article</style></work-type><custom3><style face="normal" font="default" size="100%">&lt;p&gt;Foreign&lt;/p&gt;
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