Microchimica Acta

, 186:76 | Cite as

A nanocomposite consisting of an amorphous seed and a molecularly imprinted covalent organic framework shell for extraction and HPLC determination of nonsteroidal anti-inflammatory drugs

  • Weixia Li
  • Ning Chen
  • Yan ZhuEmail author
  • Dan Shou
  • Minyu Zhi
  • Xiuqiong Zeng
Original Paper


A novel nanocomposite consisting of an amorphous seed and a molecularly imprinted covalent organic framework shell was prepared via a heterogeneous nucleation and growth method. By using ibuprofen as the dummy template, a molecularly imprinted covalent organic framework (MICOF) with a large surface area was prepared from 1,3,5-triformylbenzene and 4,4'-diaminobiphenyl. It was placed on the surface of monodisperse amorphous seeds. Owing to strong π-interaction, the MICOF@SiO2 nanocomposite displays fast binding kinetics, large adsorption capacities and selectivity for nonsteroidal anti-inflammatory drugs (NSAIDs). Following desorption from the MICOF@SiO2 with methanol containing 1% ammonium hydroxide, the NSAIDs ketoprofen, ibuprofen, diclofenac, indomethacin, flurbiprofen and naproxen were quantified by HPLC with UV detection. Under optimized conditions, the method exhibits good linearity within the range of 0.002–1.0 μg mL-1, low limits of detection (0.38–2.92 μg L-1), and acceptable repeatability. The recoveries of NSAIDs at three spiking levels range from 77 to 112%, and the RSDs are <9.4%. The method was successfully applied to the analysis of NSAIDs in spiked environmental water samples.

Graphical abstract

A molecular imprinted covalent organic framework nanocomposite (MICOF@SiO2) was prepared by heterogeneous nucleation and growth method. It was explored as a sorbent for the solid phase extraction of nonsteroidal anti-inflammatory drugs before determination by HPLC with UV detection.


Heterogeneous nucleation and growth method π-Interaction 1,3,5-triformylbenzene 4,4′-diaminobiphenyl Amorphous seed 



The authors are grateful to the financial support by Zhejiang Provincial Natural Science Foundation of China (LY15B050001, LY15B010005).

Compliance with ethical standards

The author(s) declare that they have no competing interests.

Supplementary material

604_2018_3187_MOESM1_ESM.docx (2.8 mb)
ESM 1 (DOCX 2861 kb)


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Copyright information

© Springer-Verlag GmbH Austria, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of ChemistryZhejiang University, Xixi CampusHangzhouChina
  2. 2.Department of MedicineZhejiang Academy of Traditional Chinese MedicineHangzhouChina
  3. 3.Hangzhou Vocational & Technical CollegeHangzhouChina

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