Mesoporous silica supported bimetallic Pd/Fe for enhanced dechlorination of tetrachloroethylene

Immobilization of Pd–Fe nanoparticles on mesoporous SiO2microspheres increases the reactivity for tetrachloroethylene dechlorination and enhances the mobility and permeability forin situremediation of chlorinated hydrocarbons in porous media.

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Use of in situ saturation data in estimation of two-phase flow functions in porous media

International Journal of Multiphase Flow ◽

10.1016/s0301-9322(97)88454-6 ◽

1996 ◽

Vol 22 ◽

pp. 133

Author(s):

G Mejia

Keyword(s):

Porous Media ◽

Two Phase Flow ◽

Phase Flow ◽

Two Phase ◽

Flow Functions

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In-situ growth of Fe nanoparticles encapsulated by carbon onions with controllable thickness on graphene nanoribbon-reinforced graphene

Carbon ◽

10.1016/j.carbon.2020.12.059 ◽

2021 ◽

Vol 174 ◽

pp. 423-429

Author(s):

Xinlu Li ◽

Seoung-Ki Lee ◽

Junwei Sha ◽

Yuanyuan Deng ◽

Yujie Zhao ◽

...

Keyword(s):

Graphene Nanoribbon ◽

In Situ Growth ◽

Fe Nanoparticles ◽

Carbon Onions

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Flow Control in Porous Media: From Numerical Analysis to Quantitative μPAD for Ionic Strength Measurements

Sensors ◽

10.3390/s21103328 ◽

2021 ◽

Vol 21 (10) ◽

pp. 3328

Author(s):

Pouya Mehrdel ◽

Hamid Khosravi ◽

Shadi Karimi ◽

Joan Antoni López Martínez ◽

Jasmina Casals-Terré

Keyword(s):

Porous Media ◽

Limit Of Detection ◽

Fluid Dynamic ◽

Porous Membrane ◽

External Pressure ◽

Paper Substrate ◽

Sensor Performance ◽

Food Applications ◽

Substrate Nature

Microfluidic paper-based analytical devices (µPADs) are a promising technology to enable accurate and quantitative in situ assays. Paper’s inherent hydrophilicity drives the fluids without the need for external pressure sources. However, controlling the flow in the porous medium has remained a challenge. This study addresses this problem from the nature of the paper substrate and its design. A computational fluid dynamic model has been developed, which couples the characteristics of the porous media (fiber length, fiber diameter and porosity) to the fluidic performance of the diffusion-based µPAD sensor. The numerical results showed that for a given porous membrane, the diffusion, and therefore the sensor performance is affected not only by the substrate nature but also by the inlets’ orientation. Given a porous substrate, the optimum performance is achieved by the lowest inlets’ angle. A diffusion-based self-referencing colorimetric sensor was built and validated according to the design. The device is able to quantify the hydronium concentration in wines by comparison to 0.1–1.0 M tartaric acid solutions with a 41.3 mM limit of detection. This research showed that by proper adjustments even the simplest µPADs can be used in quantitative assays for agri-food applications.

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A facile and in situ approach to fluorescent mesoporous silica and its applications in sensing and bioimaging

Journal of Materials Chemistry C ◽

10.1039/c4tc02163k ◽

2014 ◽

Vol 2 (45) ◽

pp. 9625-9630 ◽

Cited By ~ 13

Author(s):

Huangxin Zhou ◽

Xun Lv ◽

Ling Zhang ◽

An Gong ◽

Aiguo Wu ◽

...

Keyword(s):

Mesoporous Silica

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Facile Synthesis of Manganese-Loaded Mesoporous Silica Materials by Direct Reaction Between KMnO4 and an In-Situ Surfactant Template

Advanced Functional Materials ◽

10.1002/adfm.200400430 ◽

2005 ◽

Vol 15 (6) ◽

pp. 955-960 ◽

Cited By ~ 33

Author(s):

X. Dong ◽

W. Shen ◽

Y. Zhu ◽

L. Xiong ◽

J. Shi

Keyword(s):

Mesoporous Silica ◽

Direct Reaction ◽

Facile Synthesis ◽

Silica Materials ◽

Mesoporous Silica Materials

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A PW12/Ag functionalized mesoporous silica-coated magnetic Fe3O4 core–shell composite as an efficient and recyclable photocatalyst

Dalton Transactions ◽

10.1039/d0dt03882b ◽

2021 ◽

Author(s):

Pan-Feng Wu ◽

Qi Xue ◽

Tian-Yu Wang ◽

Shan-Jian Li ◽

Gao-Peng Li ◽

...

Keyword(s):

Mesoporous Silica ◽

Photocatalytic Performance ◽

Core Shell ◽

Deposition Method ◽

Functionalized Mesoporous Silica ◽

Recyclable Photocatalyst ◽

Shell Composite ◽

Magnetic Fe3o4 ◽

Fe3o4 Core

The PW12 and Ag NP functionalized Fe3O4@SiO2@mSiO2-PW12/Ag photocatalyst was assembled via an in situ photoreduction deposition method, displaying highly efficient photocatalytic performance for photodegradation of MO and photoreduction of Cr2O72−.

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