Sensitive detection of gallic acid in food by electrochemical sensor fabricated by integrating nanochannel film with nanocarbon nanocomposite DOI Creative Commons
Jiasheng Li,

Jiahui Lin,

Tao Luo

et al.

Frontiers in Nutrition, Journal Year: 2024, Volume and Issue: 11

Published: Nov. 12, 2024

Sensitive detection of gallic acid (GA) in foods is great significance for assessing the antioxidant properties products and ensuring consumer health. In this work, a simple electrochemical sensor was conveniently fabricated by integrating vertically-ordered mesoporous silica film (VMSF) with electrochemically reduced graphene oxide (ErGO) nitrogen quantum dots (NGQDs) nanocomposite, enabling sensitive GA food sample. A water-soluble mixture (GO) NGQDs drop-cast onto common carbon electrode, glassy electrode (GCE), followed rapid growth VMSF using an assisted self-assembly method (EASA). The negative voltage applied during facilitated situ reduction GO to ErGO. synergistic effects ErGO, NGQDs, nanochannels led nearly tenfold enhancement signal compared that obtained on electrodes modified either ErGO or alone. realized linear concentration range from 0.1 10 μM, 100 μM. limit (LOD), determined based signal-to-noise ratio three ( S / N = 3), found be 81 nM. Combined size-exclusion property VMSF, demonstrated high selectivity, making it suitable samples.

Language: Английский

Nanogold amplified electrochemiluminescence/electrochemistry in bipolar silica nanochannel array for ultrasensitive detection of SARS-CoV-2 pseudoviruses DOI
Tongtong Zhang, Jiawei Gong,

Qianqian Han

et al.

Talanta, Journal Year: 2024, Volume and Issue: 277, P. 126319 - 126319

Published: May 27, 2024

Language: Английский

Citations

17
Solid-Phase Electrochemiluminescence Enzyme Electrodes Based on Nanocage Arrays for Highly Sensitive Detection of Cholesterol DOI Creative Commons

Xinying Ma,

Zhe Zhang, Yanyan Zheng

et al.

Biosensors, Journal Year: 2024, Volume and Issue: 14(8), P. 403 - 403

Published: Aug. 21, 2024

The convenient and sensitive detection of metabolites is great significance for understanding human health status drug development. Solid-phase electrochemiluminescence (ECL) enzyme electrodes show potential in metabolite based on the enzyme-catalyzed reaction product hydrogen peroxide (H2O2). Herein, a solid-phase ECL sensor was fabricated confined emitter an immobilized using electrostatic nanocage array, constructing platform cholesterol. cage nanochannel consists bipolar bilayer vertically aligned mesoporous silica film (bp-VMSF). upper layer bp-VMSF amino-modified, positively charged VMSF (p-VMSF), lower negatively (n-VMSF). most commonly used probe tris(bipyridine)ruthenium(II) (Ru(bpy)32+) fixed n-VMSF by adsorption from repulsion p-VMSF, generating significantly enhanced stable signals. successful preparation characterized scanning electron microscopy (SEM) electrochemical methods. After amino groups outer surface were derivatized with aldehyde, cholesterol oxidase (ChOx) molecules covalently immobilized. construction electrode cyclic voltammetry (CV) impedance spectroscopy (EIS). When corresponding substrate, cholesterol, present solution, signal Ru(bpy)32+ quenched H2O2, enabling high-sensitivity linear range detecting 0.05 mM to 5.0 mM, limit (LOD) 1.5 μM.

Language: Английский

Citations

14
Electrochemical/Electrochemiluminescence Sensors Based on Vertically‐Ordered Mesoporous Silica Films for Biomedical Analytical Applications DOI
Fan Xue, Jiayi Wu, Tongtong Zhang

et al.

ChemBioChem, Journal Year: 2024, Volume and Issue: unknown

Published: June 14, 2024

Abstract Vertically‐ordered mesoporous silica films (VMSF, also named as isoporous membranes) have shown tremendous potential in the field of electroanalytical sensors due to their unique features terms controllable and ultrasmall nanopores, high molecular selectivity permeability, mechanical stability. This review will present recent progress on biomedical analytical applications VMSF, focusing small biomolecules, diseases‐related biomarkers, drugs cancer cells. Finally, conclusions with developments future perspective VMSF relevant fields be envisioned.

Language: Английский

Citations

12
Carbon Nitride Nanosheets as an Adhesive Layer for Stable Growth of Vertically-Ordered Mesoporous Silica Film on a Glassy Carbon Electrode and Their Application for CA15-3 Immunosensor DOI Creative Commons
Jun Xing, Hongxin Wang, Fei Yan

et al.

Molecules, Journal Year: 2024, Volume and Issue: 29(18), P. 4334 - 4334

Published: Sept. 12, 2024

Vertically ordered mesoporous silica films (VMSF) are a class of porous materials composed ultrasmall pores and ultrathin perpendicular nanochannels, which attractive in the areas electroanalytical sensors molecular separation. However, VMSF easily falls off from carbonaceous electrodes thereby impacts their broad applications. Herein, carbon nitride nanosheets (CNNS) were served as an adhesive layer for stable growth on glassy electrode (GCE). CNNS bearing plentiful oxygen-containing groups can covalently bind with silanol VMSF, effectively promoting stability GCE surface. Benefiting numerous open nanopores modification VMSF's external surface carbohydrate antigen 15-3 (CA15-3)-specific antibody allows target-controlled transport electrochemical probes through internal yielding sensitive quantitative detection CA15-3 range 1 mU/mL to 1000 U/mL low limit 0.47 mU/mL. Furthermore, proposed VMSF/CNNS/GCE immunosensor is capable highly selective accurate determination spiked serum samples, offers simple effective strategy various practical biomarkers complicated biological specimens.

Language: Английский

Citations

9
Simple and direct electrochemical detection of rosmarinic acid in food samples based on nanochannel modified carbon electrode DOI Creative Commons
Wenbo Chen,

Hongjuan Ru,

Fei Yan

et al.

RSC Advances, Journal Year: 2024, Volume and Issue: 14(26), P. 18599 - 18607

Published: Jan. 1, 2024

A simple electrochemical sensor was developed by integrating a vertically-ordered mesoporous silica film (VMSF) with pre-activated glassy carbon electrode (p-GCE) to provide dual signal amplification for sensitive detection of rosmarinic acid.

Language: Английский

Citations

3
Creative synthesis of pH-dependent nanoporous pectic acid grafted with acrylamide and acrylic acid copolymer as an ultrasensitive and selective riboflavin electrochemical sensor in real samples DOI
M. S. Hashem, Hend S. Magar

International Journal of Biological Macromolecules, Journal Year: 2024, Volume and Issue: 280, P. 136022 - 136022

Published: Sept. 25, 2024

Language: Английский

Citations

3
Advances in nanochannel electrochemical sensing technology for food safety detection DOI

Wei Hu,

Donglei Jiang,

Chao Chen

et al.

Trends in Food Science & Technology, Journal Year: 2025, Volume and Issue: unknown, P. 104983 - 104983

Published: April 1, 2025

Language: Английский

Citations

0
Nanochannel confined graphene quantum dots/platinum nanoparticles boosts electrochemiluminescence of luminal-O2 system for sensitive immunoassay DOI
Yucheng Zhou, Chaoyan Zhang, Jiyang Liu

et al.

Talanta, Journal Year: 2024, Volume and Issue: 285, P. 127223 - 127223

Published: Nov. 20, 2024

Language: Английский

Citations

2
Sensitive detection of gallic acid in food by electrochemical sensor fabricated by integrating nanochannel film with nanocarbon nanocomposite DOI Creative Commons
Jiasheng Li,

Jiahui Lin,

Tao Luo

et al.

Frontiers in Nutrition, Journal Year: 2024, Volume and Issue: 11

Published: Nov. 12, 2024

Sensitive detection of gallic acid (GA) in foods is great significance for assessing the antioxidant properties products and ensuring consumer health. In this work, a simple electrochemical sensor was conveniently fabricated by integrating vertically-ordered mesoporous silica film (VMSF) with electrochemically reduced graphene oxide (ErGO) nitrogen quantum dots (NGQDs) nanocomposite, enabling sensitive GA food sample. A water-soluble mixture (GO) NGQDs drop-cast onto common carbon electrode, glassy electrode (GCE), followed rapid growth VMSF using an assisted self-assembly method (EASA). The negative voltage applied during facilitated situ reduction GO to ErGO. synergistic effects ErGO, NGQDs, nanochannels led nearly tenfold enhancement signal compared that obtained on electrodes modified either ErGO or alone. realized linear concentration range from 0.1 10 μM, 100 μM. limit (LOD), determined based signal-to-noise ratio three ( S / N = 3), found be 81 nM. Combined size-exclusion property VMSF, demonstrated high selectivity, making it suitable samples.

Language: Английский

Citations

0