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Abstract: Adenosine is an important molecule in the human body because it participates various biochemical processes, signalling in the physiological processes, and neurological disorders. In the current study, the surface imprinting method was used to prepare adenosine-imprinted magnetic core-shell polyvinylbutyral microbeads. These microbeads were utilized for quantification of adenosine in aqueous solution and control plasma in the range of 1-200 μM. The limit of detection was found to be 1.9 nM, which is quite sensitive compared with to some earlier studies. Fourier transform infrared spectroscopy, scanning electron microscopy, and a Zetasizer (particle size analyzer) were used for characterization of the prepared imprinted microbeads. To determine the efficiency of this method, selectivity experiments were conducted with adenosine-imprinted and non-imprinted magnetic core-shell polyvinylbutyral microbeads and with the competitive nucleosides cytidine, uridine, guanosine, and thymidine. Thermodynamic and kinetic studies were performed to assess adsorption of adenosine onto the adenosine-imprinted magnetic core-shell polyvinylbutyral microbeads from adenosine solution. The efficiency was linked to the specific surface reactivity, polarity and porosity of the imprinted microbeads
Template and target information: adenosine
Author keywords: adenosine, Core-shell, microbeads, Polyvinylbutyral, surface imprinting