A 3D homogeneous microreactor with high mixing intensity at wide Re range for MOF preparation and POCT application

Tan, Zhongjian; Shi, Huanhuan; Zheng, Yun; Cao, Yu

doi:10.1016/j.cej.2023.146481

Cited by 4 publications

(2 citation statements)

References 65 publications

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“…The impact of diffusion becomes more conspicuous, resulting in a longer mixing duration (as shown in Tables S1–S3). Hence, the SCC micromixer required a better shorter mixing time to achieve complete mixing when compared to mixers designed for use with miscible fluids and dilute solutions . Consequently, this SCC micromixer holds promise for further applications in the study of rapid biochemical reactions …”

Section: Resultsmentioning

confidence: 99%

Numerical Investigation on a Chaotic Passive Micromixer Based on Square Chambers Connected with Different Channel Shapes for Enhancing the Mixing Process

bennour,

Kaid,

Mouissi

2024

Ind. Eng. Chem. Res.

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In this work, passive micromixers that consist of square mixing chambers symmetrically placed along the length of the mixer are investigated for the mixing of miscible fluids. The governing equation of Navier−Stokes and the convection−diffusion equation were resolved using the finite element approach, which is implemented in the COMSOL 6.1 software to simulate and evaluate the effectiveness of the mixers. Different design configurations of micromixers are evaluated using three key performance parameters, including the mixing index, pressure drop, and mixing energy cost, to analyze three distinct channel types of curved, square-wave, and zigzag across a wide range of Reynolds numbers, between 0.1 and 45. The study also investigated the behavior of diffusion and chaotic advection, the results showed as Reynolds numbers increase, the mixing index exhibits an initial decrease followed by an increase. Remarkably, all micromixers reach a great mixing performance of 99% at a low Reynolds number of 45. This complete mixing is accompanied by variations in pressure drop values, where the SCC mixer has a smaller pressure drop compared to the SCS-W and SCZ mixers, with decreases of 74.26 and 30.70%, respectively. Comparing the suggested mixer to previously published micromixers, it also has a more compact design and an easier manufacturing procedure.

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Section: Resultsmentioning

confidence: 99%

Numerical Investigation on a Chaotic Passive Micromixer Based on Square Chambers Connected with Different Channel Shapes for Enhancing the Mixing Process

bennour,

Kaid,

Mouissi

2024

Ind. Eng. Chem. Res.

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“…In this respect, the use of 3D microreactors in nanoparticle synthesis is a prominent development, exceeding conventional 2D microfluidic platforms by contributing to a more complex and adaptable environment. These 3D microreactors intensify control over reaction conditions and improve mixing efficiency, providing a larger surface area for a constant distribution of reactants and increasing loading capacity compared to their 2D counterparts [ 31 , 32 , 33 ]. The advanced three-dimensional geometry not only intensifies reaction kinetics for more efficient and reproducible nanoparticle synthesis but also empowers precise tuning of reaction parameters, managing superior control over particle size, morphology, and composition [ 34 , 35 ].…”

Section: Introductionmentioning

confidence: 99%

New 3D Vortex Microfluidic System Tested for Magnetic Core-Shell Fe3O4-SA Nanoparticle Synthesis

Niculescu,

Munteanu (Mihaiescu),

Bîrcă

et al. 2024

Nanomaterials

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This study’s main objective was to fabricate an innovative three-dimensional microfluidic platform suitable for well-controlled chemical syntheses required for producing fine-tuned nanostructured materials. This work proposes using vortex mixing principles confined within a 3D multilayered microreactor to synthesize magnetic core-shell nanoparticles with tailored dimensions and polydispersity. The newly designed microfluidic platform allowed the simultaneous obtainment of Fe3O4 cores and their functionalization with a salicylic acid shell in a short reaction time and under a high flow rate. Synthesis optimization was also performed, employing the variation in the reagents ratio to highlight the concentration domains in which magnetite is mainly produced, the formation of nanoparticles with different diameters and low polydispersity, and the stability of colloidal dispersions in water. The obtained materials were further characterized by X-ray diffraction (XRD), Fourier-transform infrared (FT-IR) spectroscopy, dynamic light scattering (DLS), and transmission electron microscopy (TEM), with the experimental results confirming the production of salicylic acid-functionalized iron oxide (Fe3O4-SA) nanoparticles adapted for different further applications.

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CeFe nanofibrous carbon nanozyme integrated with smartphone for the point-of-care testing of norfloxacin in water

Liu,

Cai,

Chen

et al. 2024

Journal of Pharmaceutical Analysis

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A 3D homogeneous microreactor with high mixing intensity at wide Re range for MOF preparation and POCT application

Cited by 4 publications

References 65 publications

Numerical Investigation on a Chaotic Passive Micromixer Based on Square Chambers Connected with Different Channel Shapes for Enhancing the Mixing Process

Numerical Investigation on a Chaotic Passive Micromixer Based on Square Chambers Connected with Different Channel Shapes for Enhancing the Mixing Process

New 3D Vortex Microfluidic System Tested for Magnetic Core-Shell Fe3O4-SA Nanoparticle Synthesis

CeFe nanofibrous carbon nanozyme integrated with smartphone for the point-of-care testing of norfloxacin in water

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