ArticleAnalytical and bioanalytical chemistry2026
Two porous aromatic frameworks with different porous structures for high-performance aptasensing penicillin G via differential pulse voltammetry.
Article in Analytical and bioanalytical chemistry, 2026. 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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Abstract
This study presents the rational design and synthesis of two porous aromatic frameworks (PAFs) via covalent bond-coupled monomers using Friedel-Crafts alkylation. PAFs have abundant porous structures and extended π-conjugated networks for aptamer immobilization. Compared with PAF-naphthalene, PAF-pyrene possesses a higher specific surface area, larger pores, and a larger conjugated system, which makes it more conducive to loading more aptamers and obtaining a more sensitive electrochemical aptasensor. Penicillin G (PCL) is a widely used broad-spectrum antibiotic, which is selected to investigate the sensing ability of aptasensors. The electrochemical aptasensor based on PAF-pyrene can quantitatively detect trace PCL using differential pulse voltammetry (DPV), which exhibits a good linear range from 1.0 × 10
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