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Sodium 4-styrenesulfonate functionalized nanofibers mat as 96-well plate solid-phase extraction adsorbent for quantitative determination of multiple ß-agonists residues in pork samples.
Cao, Jiankun; Liang, Sihui; Zhang, Hao; Xu, Qian; Ji, Wenliang.
Afiliação
  • Cao J; Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China.
  • Liang S; Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China.
  • Zhang H; Jiangsu Province Center for Disease Control and Prevention, Nanjing 210009, China.
  • Xu Q; Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China. Electronic address: q-xu@seu.edu.cn.
  • Ji W; Jiangsu Province Center for Disease Control and Prevention, Nanjing 210009, China. Electronic address: jwl320911@163.com.
Food Chem ; 335: 127631, 2021 Jan 15.
Artigo em Inglês | MEDLINE | ID: mdl-32736157
ABSTRACT
In this work, sodium 4-styrenesulfonate functionalized polyacrylonitrile nanofibers mat (SS/PAN NFM) was firstly prepared and applied as 96-well plate solid-phase extraction adsorbent for quantitative determination of seven ß-agonists residues in pork samples. The functional modification endowed the SS/PAN NFM with superior adsorption performance for target ß-agonists. The adsorption process is spontaneous (ΔG < 0), the initial adsorption rate can reach 6.03-9.09 mg/g/min and the maximum adsorption capacity is calculated to be 48.3 mg/g at 298 K. Moreover, SS/PAN NFM can be reused for 12 times without degradation in adsorption capability. Combined with UPLC-MS/MS, the limits of detection can reach 0.006-0.24 µg/kg, the recoveries ranged from 87.2% to 111% and the relative standard deviations of intra-day and inter-day precisions were in the scope of 1.75%-11.6% and 5.08%-13.5%, respectively. The obtained results fully demonstrated the practicability of this method in preventing the hazard of ß-agonists residues.
Assuntos
Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Assunto principal: Poliestirenos / Agonistas Adrenérgicos beta / Extração em Fase Sólida / Nanofibras / Carne Vermelha / Análise de Alimentos Limite: Animais Idioma: Inglês Revista: Food Chem Ano de publicação: 2021 Tipo de documento: Artigo País de afiliação: China

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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Assunto principal: Poliestirenos / Agonistas Adrenérgicos beta / Extração em Fase Sólida / Nanofibras / Carne Vermelha / Análise de Alimentos Limite: Animais Idioma: Inglês Revista: Food Chem Ano de publicação: 2021 Tipo de documento: Artigo País de afiliação: China
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