Molecularly imprinted poly(diaminonaphthalene)/zinc oxide nanocomposite on Au/rGO for tobramycin detection: a comprehensive insight of morphological effect and MD simulation.

Atefeh Mesbahi Jamshid, Fatemeh Ghamari, Jalal Arjomandi, Hu Shi, Shaomin Shuang

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Article in Mikrochimica acta, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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Atefeh Mesbahi JamshidSchool of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China.

Fatemeh GhamariDepartment of Physical Chemistry, Faculty of Chemistry and Petroleum Sciences, Bu-Ali Sina University, Hamedan, 38695-65178, Iran.

Jalal ArjomandiDepartment of Physical Chemistry, Faculty of Chemistry and Petroleum Sciences, Bu-Ali Sina University, Hamedan, 38695-65178, Iran. j_arjomandi@basu.ac.ir.

Hu ShiSchool of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, China.

Shaomin ShuangSchool of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China. smshuang@sxu.edu.cn.

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6 · The paper itself

Abstract

Tobramycin (Tob) is used to treat serious infectious diseases, so careful monitoring of its concentration through a sensor that can detect small quantities of Tob in medicines and food is essential. Herein, novel molecularly imprinted (MI) poly(1,5-diaminonaphtalene)/zinc oxide (PDan/ZnO)) nanocomposite sensor with Tob recognition sites based on reduced graphene oxide modified gold electrode (Au/rGO) as molecular imprinted polymer nanocomposite (MIPN) was fabricated by in situ electropolymerization method. Besides MIPN, non-molecular imprinted polymer nanocomposite (Au/rGO/PDan/ZnO) as N-MIPN electrode was constructed and compared with MIPN. The N-MIPN and MIPN electrodes were characterized by physicochemical and electrochemical methods. To improve the performance and optimization of MIPN sensor during nanocomposite growth on the Au/rGO surface, atomic force microscopy (AFM), and field - emission scanning electron microscopy (FE-SEM) techniques were employed. The results revealed that among MIPN electrodes with various polymer nanocomposite thicknesses, MIPN-8 (8: number of growth cycle) by taking advantage of significant morphological properties including optimum height quantities distribution, non-typical surface texture, and remarkable roughness and fractal dimension (D

Indexed as

Anti-Bacterial AgentsGraphiteMolecularly Imprinted PolymersNanocompositesTobramycinZinc OxideElectrochemical TechniquesElectrodesGoldLimit of DetectionMolecular ImprintingAnti-Bacterial AgentsGoldgraphene oxideGraphiteMolecularly Imprinted PolymersTobramycinZinc Oxide1,5-DiaminonaphthaleneDifferential pulse voltammetryFractal dimensionMD simulationModified gold electrodeMolecularly imprinted polymerTobramycinZnO nanoparticles

Identifiers

PMID40613907

DOI10.1007/s00604-025-07301-y

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