Sorbent magnetic levitation in the 3D printed platform

IF 5.3 2区化学 Q1 CHEMISTRY, ANALYTICAL

Microchimica Acta Pub Date : 2025-04-08 DOI:10.1007/s00604-025-07116-x

Olga Mokhodoeva, Valeriia Maksimova, Tatiana Danilova, Denis Trofimov, Artem Krivenko, Valery Shkinev

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Abstract

The emerging technologies based on magnetic levitation and 3D printing manufacturing were utilized to create a sorbent retention platform as an alternative to traditional packed columns. The magnetic nanoscale sorbent was suspended in the aqueous solution in a 3D printed sorption cell placed between two permanent magnets. Simulations of hydrodynamic fluid and magnetic field were carried out to optimize the configuration and positioning of the sorption cell. The developed platform ensures uniform distribution of the sorbent in the cell’s volume and retention under dynamic conditions. The efficiency of palladium solid-phase extraction in a flow mode was demonstrated using modified magnetite nanoparticles. A high concentration factor can be achieved using the spiral shape of the cell with 50–100 mg of the suspended sorbent. The results of the spectrometric determination of trace amounts of palladium in natural water are given. An automated system for environmental analysis based on the proposed platform is promising.

Graphical abstract

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来源期刊

Microchimica Acta 化学-分析化学

CiteScore

9.80

自引率

5.30%

发文量

410

审稿时长

2.7 months

期刊介绍： As a peer-reviewed journal for analytical sciences and technologies on the micro- and nanoscale, Microchimica Acta has established itself as a premier forum for truly novel approaches in chemical and biochemical analysis. Coverage includes methods and devices that provide expedient solutions to the most contemporary demands in this area. Examples are point-of-care technologies, wearable (bio)sensors, in-vivo-monitoring, micro/nanomotors and materials based on synthetic biology as well as biomedical imaging and targeting.