Rapid extraction of domoic acid by a magnetic molecularly imprinted silica before HPLC measurement - Details

author：

Lin, Z. (Lin, Z..) ^[1] | Chen, S. (Chen, S..) ^[2] | Li, L. (Li, L..) ^[3] | Peng, A. (Peng, A..) ^[4] | Huang, Z. (Huang, Z..) ^[5]

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Abstract：

A　magnetic　molecularly　imprinted　silica　solid　was　obtained　by　sol-gel　polymerization　for　the　separation　of　domoic　acid.　The　solid　showed　rapid　adsorption　kinetics　with　an　adsorption　equilibrium　time　of　5　min.　The　solid　showed　affinity　to　domoic　acid　under　the　interference　of　tryptophan　and　could　be　repeatedly　used　for　5　times　at　least.　The　solid　was　used　as　a　solid-phase-extraction　sorbent　for　the　extraction　of　domoic　acid　from　clam　samples　before　measurement　with　liquid　chromatography.　The　detection　limit　of　0.20　mg　kg−1　was　lower　than　the　allowable　limits　in　several　countries　or　areas.　The　recoveries　in　the　spiked　samples　were　88%　approximately.　©　2020Analytical　Chemistry,　molecularly　imprinted　silica;　Magnetic;　Sol-gel,　HPLC;　Domoic　acid.　©　2020

Keyword：

Analytical chemistry; Domoic acid; HPLC; Magnetic; Molecularly imprinted silica; Sol-gel

Community：

[ 1 ] [Lin, Z.]College of Food and Biological Engineering, Jimei University, Xiamen, 361021, China
[ 2 ] [Chen, S.]College of Food and Biological Engineering, Jimei University, Xiamen, 361021, China
[ 3 ] [Chen, S.]College of Biological Science and Engineering, Fuzhou UniversityFujian Province 350108, China
[ 4 ] [Li, L.]College of Food and Biological Engineering, Jimei University, Xiamen, 361021, China
[ 5 ] [Peng, A.]College of Food and Biological Engineering, Jimei University, Xiamen, 361021, China
[ 6 ] [Huang, Z.]College of Food and Biological Engineering, Jimei University, Xiamen, 361021, China

Reprint 's Address：

[Lin, Z.]College of Food and Biological Engineering, Jimei UniversityChina

Email：

linzz@jmu.edu.cn

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Source ：

Heliyon

ISSN： 2405-8440

Year： 2020

Issue： 10

Volume： 6

3 . 4 0 0

JCR@2023

ESI HC Threshold：420

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SCOPUS Cited Count：

ESI Highly Cited Papers on the List： 0 Unfold All

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Chinese Cited Count：

30 Days PV： 1

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