Screen-Printed Electrode-Based Sensing of l-Ascorbic Acid Using Metal–Organic Framework Supported Carbon–Palladium-Doped MXene Quantum Dots in Human Serum and Artificial Sweat DOI
Jose Paul, Jongsung Kim

ACS Applied Nano Materials, Journal Year: 2024, Volume and Issue: 7(22), P. 26032 - 26043

Published: Nov. 12, 2024

Carbon-doped MXene quantum dots (MNQDs) were synthesized through a hydrothermal reaction involving citric acid and ethylene diamine in the presence of MXene. Palladium nanoparticles subsequently incorporated into MNQDs integrated an iron-based metal–organic framework, forming MIL-PdMNQDs. The successful synthesis MIL-PdMNQDs was confirmed by PXRD, SEM, TEM, XPS, FTIR analyses. Modified glassy carbon screen-printed electrodes with used to measure l-ascorbic concentrations phosphate buffer solution, ranging from 10 100 nM. Cyclic voltammetry (CV) differential pulse (DPV) revealed linear anodic peak current between 52.05 82.44 μA, regression (R2) value 0.9885. In human serum diluted PBS (5 mL 95 PBS), MIL-PdMNQDs-SPE1 detected ascorbic 50 μM, illustrating DPV redox 124.39 152.54 R2 0.9901. Additionally, artificial sweat, sensor 1000 readings 11.132 64.83 μA 0.9903, demonstrating its selective sensing capability. limit detection (LOD) for using MIL-PdMNQDs-GCE determined be 4.705 SPE sensors exhibited high stability exceptional selectivity detection.

Language: Английский

Development of an electrochemical sensor for the detection of paracetamol using graphitic carbon nitride and single-walled carbon nanotubes DOI

R. Subash,

Keerthana Madhivanan,

Raji Atchudan

et al.

Diamond and Related Materials, Journal Year: 2025, Volume and Issue: 152, P. 111940 - 111940

Published: Jan. 5, 2025

Language: Английский

Citations

4
Nanoparticle electrochemical biosensors for virus detection DOI

Anandavalli Baskar,

Keerthana Madhivanan,

Raji Atchudan

et al.

Clinica Chimica Acta, Journal Year: 2024, Volume and Issue: 566, P. 120054 - 120054

Published: Nov. 16, 2024

Language: Английский

Citations

4
Advancing point-of-care testing with nanomaterials-based screen-printing electrodes DOI Creative Commons
Sophia Nazir

Sensors International, Journal Year: 2025, Volume and Issue: unknown, P. 100328 - 100328

Published: Jan. 1, 2025

Language: Английский

Citations

0
Development of a Simple Voltammetric Method for Estrogens Determination (E1, E2, E3, EE2, and E2Ac) in Pharmaceuticals and Human Urine Using an Unmodified Screen‐Printed Carbon Sensor DOI Open Access

Diego Escobar‐Olivos,

Marisol Gómez, Juan José Triviño

et al.

ChemistrySelect, Journal Year: 2025, Volume and Issue: 10(5)

Published: Feb. 1, 2025

Abstract An efficient, fast, and sensitive method for the determination of estrone (E1), 17β‐estradiol (E2), estriol (E3), ethinylestradiol (EE2), β‐estradiol‐17‐acetate (E2Ac) in pharmaceutical formulations spiked human urine was developed validated using an unmodified commercial screen‐printed carbon electrode. The utilization linear sweep square wave voltammetry compared, experimental conditions were optimized. In a 6.0 mmol L −1 phosphoric acid solution, current intensity oxidation aromatic alcohol used as analytical response. peak potential each estrogen signal found between 0.62 0.67 V. detection limits to be E1, E2, E2Ac, EE2, E3 43, 25, 32, 42, 44 nmol 20, 21, 37, 53, 39 voltammetry, respectively. successfully applied estrogens drug tablets male samples. findings from this study establish strong basis future application conjunction with high‐performance liquid chromatography samples characterized by complex matrices.

Language: Английский

Citations

0
Self-Assembled PVP-Gd Composite Nanosheets via Ultrasound Synthesis for Targeted Acrylamide Sensing in Food Safety DOI Creative Commons

Sahar Pakbaten Toopkanloo,

Hui‐Fen Wu

Journal of Agricultural and Food Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 11, 2025

Acrylamide (AM) is a recognized carcinogen and neurotoxin, posing significant threat to food safety human health. Therefore, developing sensitive convenient methods for AM detection in samples essential. This study responds the urgent need selective of AM, hidden hazard food, safeguard public health environmental safety. We present development novel two-dimensional ultrasound-synthesized PVP-Gd composite nanosheet platform precise sensing. These self-assembled nanosheets, constructed from gadolinium (Gd) poly(vinylpyrrolidone) (PVP), exhibit remarkable stability robust blue fluorescence, with quantum yield 45.01% upon excitation at 380 nm. A full factorial design was employed optimize synthesis process, revealing parameter interactions. The optimized nanosheets demonstrated strong quenching effect acrylamide exposure, resulting high-performance sensor an impressively low limit (9.4 nM) broad linear response range. innovative offers promising approach monitoring applications, effectively addressing risks associated acrylamide.

Language: Английский

Citations

0
A highly sensitive disposable electrochemical sensor based on copper nanoparticles for pesticide imidacloprid determination in contaminated water sources DOI
Julia Oliveira Fernandes, Cassiano Augusto Rolim Bernardino, Marisa Marques

et al.

Environmental Science Water Research & Technology, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

The study aimed to develop a new electrochemical sensor based on screen-printed carbon electrode modified with copper nanoparticles (SPE/CuNPs) determine imidacloprid (IMI) pesticide in environmental samples.

Language: Английский

Citations

0
Fabrication and Applications of Textile‐Based Structurally Colored Materials DOI Creative Commons
Jiali Yu, Chichao Xia, Wenyi Wang

et al.

EcoMat, Journal Year: 2025, Volume and Issue: 7(4)

Published: April 1, 2025

ABSTRACT Textile‐based structurally colored materials have emerged as a captivating field of research and innovation, presenting unparalleled prospects to revolutionize the realm textiles their diverse applications. This review paper provides comprehensive overview progress made in manufacturing methods applications textiles. Based on principles Bragg diffraction its extended theorems, mechanisms behind generation structural colors are explored, revealing underlying that enable coloration. The versatile effective strategies adopted for fabrication textile‐based materials, such gravity sedimentation, spray coating, vertical deposition, screen printing, shear‐induced assembly, additive or three‐dimensional (3D) dip electrophoretic electrospinning discussed. discussed, with specific focus anti‐counterfeiting measures, biomedical field, radiative cooling aims drive fabricating functionalizing ultimate goal expanding fields.

Language: Английский

Citations

0
‘As of my last knowledge update’: How is content generated by ChatGPT infiltrating scientific papers published in premier journals? DOI Creative Commons
Artur Strzelecki

Learned Publishing, Journal Year: 2024, Volume and Issue: 38(1)

Published: Dec. 24, 2024

Abstract The aim of this paper is to highlight the situation whereby content generated by large language model ChatGPT appearing in peer‐reviewed papers journals recognized publishers. demonstrates how identify sections that indicate a text fragment was generated, is, entirely created, ChatGPT. To prepare an illustrative compilation appear indexed Web Science and Scopus databases possessing Impact Factor CiteScore indicators, SPAR4SLR method used, which mainly applied systematic literature reviews. Three main findings are presented: highly regarded premier journals, articles bear hallmarks AI models, whose use not declared authors (1); many these identified already receiving citations from other scientific works, also placed found (2); and, most belong disciplines medicine computer science, but there such as environmental engineering, sociology, education, economics management (3). This aims continue add recently initiated discussion on models like creation scholarly works.

Language: Английский

Citations

3
Low-Cost Electrochemical Determination of L-Ascorbic Acid Using Screen-Printed Electrodes and Development of an Electronic Tongue for Juice Analysis DOI Creative Commons

Laila El Anzi,

María Soledad Aguirre García,

Eduardo Laborda

et al.

Chemosensors, Journal Year: 2024, Volume and Issue: 12(11), P. 237 - 237

Published: Nov. 16, 2024

Low-cost electrochemical methodologies for the determination of L-ascorbic acid (vitamin C) and analysis juices are developed based on its electro-oxidation carbon screen-printed electrodes. A novel chronoamperometric methodology is quantification in fruit juices. The proposed method stands out simplicity rapidity, demonstrating efficacy determining content various Notably, results obtained with this approach compared those yielded by chromatography, no significant differences between two methods being found. Additionally, an electronic tongue differentiation square wave voltammetric signals.

Language: Английский

Citations

1
Screen-Printed Electrode-Based Sensing of l-Ascorbic Acid Using Metal–Organic Framework Supported Carbon–Palladium-Doped MXene Quantum Dots in Human Serum and Artificial Sweat DOI
Jose Paul, Jongsung Kim

ACS Applied Nano Materials, Journal Year: 2024, Volume and Issue: 7(22), P. 26032 - 26043

Published: Nov. 12, 2024

Carbon-doped MXene quantum dots (MNQDs) were synthesized through a hydrothermal reaction involving citric acid and ethylene diamine in the presence of MXene. Palladium nanoparticles subsequently incorporated into MNQDs integrated an iron-based metal–organic framework, forming MIL-PdMNQDs. The successful synthesis MIL-PdMNQDs was confirmed by PXRD, SEM, TEM, XPS, FTIR analyses. Modified glassy carbon screen-printed electrodes with used to measure l-ascorbic concentrations phosphate buffer solution, ranging from 10 100 nM. Cyclic voltammetry (CV) differential pulse (DPV) revealed linear anodic peak current between 52.05 82.44 μA, regression (R2) value 0.9885. In human serum diluted PBS (5 mL 95 PBS), MIL-PdMNQDs-SPE1 detected ascorbic 50 μM, illustrating DPV redox 124.39 152.54 R2 0.9901. Additionally, artificial sweat, sensor 1000 readings 11.132 64.83 μA 0.9903, demonstrating its selective sensing capability. limit detection (LOD) for using MIL-PdMNQDs-GCE determined be 4.705 SPE sensors exhibited high stability exceptional selectivity detection.

Language: Английский

Citations

0