{"id":245,"date":"2013-07-18T10:35:09","date_gmt":"2013-07-18T01:35:09","guid":{"rendered":"http:\/\/120.29.164.89\/?page_id=245"},"modified":"2018-01-25T15:08:42","modified_gmt":"2018-01-25T06:08:42","slug":"ion_exchange-service","status":"publish","type":"page","link":"https:\/\/www.peptide.co.jp\/en\/custom\/peptide_synthesis\/ion_exchange-service","title":{"rendered":"Ion Exchange Service"},"content":{"rendered":"<p>Peptide are normally purified by column chromatography using TFA containing solvent.  Therefore, the lyophilized powder includes TFA as a counter ion; this may affect your experiment adversely<sup>1)<\/sup>.<br \/>\nTo avoid this, we offer the optional service; exchanging counter ion from TFA to AcOH or HCl.  Using this service, you can surely carry out your in vivo and in vitro experiments.<br \/>\nIf necessary, exact amount of a counter ion (an anion) can be determined quantitatively by another optional service.<Br><br \/>\nOnly available for in-house product.<br \/>\n\u3000<\/p>\n<p class=\"ref\">1) A. Pini, et al., <i>Amino Acids<\/i>, <b>43<\/b>, 467 (2012). <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Peptide are normally purified by column chromatography using TFA containing solvent. Therefore, the lyophilize [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":65,"menu_order":3411,"comment_status":"open","ping_status":"closed","template":"page-custom.php","meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.peptide.co.jp\/en\/wp-json\/wp\/v2\/pages\/245"}],"collection":[{"href":"https:\/\/www.peptide.co.jp\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.peptide.co.jp\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.peptide.co.jp\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.peptide.co.jp\/en\/wp-json\/wp\/v2\/comments?post=245"}],"version-history":[{"count":3,"href":"https:\/\/www.peptide.co.jp\/en\/wp-json\/wp\/v2\/pages\/245\/revisions"}],"predecessor-version":[{"id":3620,"href":"https:\/\/www.peptide.co.jp\/en\/wp-json\/wp\/v2\/pages\/245\/revisions\/3620"}],"up":[{"embeddable":true,"href":"https:\/\/www.peptide.co.jp\/en\/wp-json\/wp\/v2\/pages\/65"}],"wp:attachment":[{"href":"https:\/\/www.peptide.co.jp\/en\/wp-json\/wp\/v2\/media?parent=245"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}