Molecular Imprinted Polymer for Ethylmorphine with Methacrylic Acid and Acrylamide as Functional Monomer in Butanol Using Two Polymerization Method


  • Aliya Nur Hasanah Universitas Padjadjaran
  • Diane Fauzi Universitas Padjadjaran
  • Beska Zausha Witka Universitas Padjadjaran
  • Driyanti Rahayu Universitas Padjadjaran
  • Rimadani Pratiwi Universitas Padjadjaran



Ethylmorphine is an opioid that has therapeutic effects as narcotic analgesic and antitussive, which has low levels and can be misused. Hence, it is crucial to monitor by analyze the levels of ethylmorphine in blood selectively. The preparation method that can be used to extract ethylmorphine from the sample is using molecular imprinting solid-phase extraction (MI-SPE) due to its sensitivity and selectivity. This study aims to compare the result of synthesis using two different polymerization methods, and also to examine the analytical performance and characteristics of imprinted polymers from two distinct functional monomers: methacrylic acid (MAA) and acrylamide (AM). The stages of this study include the determination of association constants, synthesis of polymer MI-SPE ethylmorphine using bulk and precipitation polymerization method, extracted template from the polymer, and determined the adsorption ability, capacity, and selectivity of the polymer. MI-SPE that has been made then characterized by using Fourier-Transform Infrared (FTIR) and Scanning Electron Microscope (SEM). The results showed that MIP with acrylamide (MIP-AM) as functional monomer and made by precipitation polymerization had better analytic performances than MIP that made by bulk polymerization, with affinity value 0.072 mg/g and homogeneity value -0.77. It is also selective toward ethylmorphine with imprinting factor value 27.43. In addition, the result of characterization using FTIR and SEM showed that MIP-AM 2, MIP-MAA 1, and MIP-MAA 2 might have a low degree of polymerization due to the presence of vinyl peaks, besides MIP-AM 2 and MIP-MAA 2 had smaller particle size than the NIP with an average value of 0,31 ± 0,21 mm and 0.28 ± 0.05 mm. Based on the result of this study, MIP-AM made by precipitation polymerization could be used to extract ethylmorphine on solid-phase extraction.

Author Biographies

Aliya Nur Hasanah, Universitas Padjadjaran

Pharmaceutical Analysis and Medicinal Chemistry Department

Diane Fauzi, Universitas Padjadjaran

Pharmaceutical Analysis and Medicinal Chemistry Department

Beska Zausha Witka, Universitas Padjadjaran

Pharmaceutical Analysis and Medicinal Chemistry Department

Driyanti Rahayu, Universitas Padjadjaran

Pharmaceutical Analysis and Medicinal Chemistry Department

Rimadani Pratiwi, Universitas Padjadjaran

Pharmaceutical Analysis and Medicinal Chemistry Department


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Analytical Chemistry