Surfaces and Interfaces, Год журнала: 2024, Номер 46, С. 104041 - 104041
Опубликована: Фев. 9, 2024
Язык: Английский
Electrochimica Acta, Год журнала: 2025, Номер unknown, С. 145837 - 145837
Опубликована: Фев. 1, 2025
Язык: Английский
Процитировано
0
Journal of Materials Chemistry C, Год журнала: 2025, Номер unknown
Опубликована: Янв. 1, 2025
A novel electrochemical microsensor combining molecularly imprinted polymer technology with a laser-engraved graphene electrode for ultra-sensitive and specific detection of ascorbic acid has been developed.
Язык: Английский
Процитировано
0
Inorganic Chemistry Communications, Год журнала: 2025, Номер unknown, С. 114153 - 114153
Опубликована: Фев. 1, 2025
Язык: Английский
Процитировано
0
Chemosensors, Год журнала: 2025, Номер 13(3), С. 81 - 81
Опубликована: Март 2, 2025
Uric acid (UA), the final metabolic product of purines, plays a crucial role in human health monitoring. The UA concentration biological fluids serves as diagnostic marker for various disorders, particularly kidney diseases, and represents potential therapeutic target. Given growing emphasis on preventive healthcare, developing methods real-time detection has become increasingly significant. Here, we demonstrate synthesis novel tumbleweed-like molybdenum diselenide (MoSe2) nanostructures through single-step hydrothermal process. synthesized MoSe2 was subsequently hybridized with reduced graphene oxide (rGO) to construct electrodes sensing. Differential pulse voltammetry (DPV) measurements revealed that MoSe2/rGO-modified glassy carbon electrode (GCE) exhibited excellent capabilities under optimized conditions. sensor demonstrated remarkably low limit (LOD) 28.4 nM maintained linearity across wide range (40 200 μM). Notably, showed high selectivity even presence common interfering species, including citric (CA), dopamine (DA), ascorbic (AA), cysteine (Cys), glucose (Glu), oxalic (OA), sodium ions (Na+), potassium (K+). developed displayed outstanding selectivity, stability, reproducibility characteristics. This synthetic approach offers promising opportunities MoSe2-based electrochemical sensing platforms suitable diverse bioanalytical applications.
Язык: Английский
Процитировано
0
Analysis & Sensing, Год журнала: 2025, Номер unknown
Опубликована: Март 4, 2025
Abstract Ammonia (NH 3 ) is a widely used etchant gas in the plasma‐enhanced chemical vapor deposition (PECVD) synthesis of carbon nanofibers (CNFs). In addition to being an effective etchant, NH also serves as dopant by providing N heteroatoms. However, this secondary role has not been comprehensively investigated. Moreover, influence N‐doping on electroanalytical performance CNFs thoroughly assessed. work, we have prepared two varieties altering ratio and feedstock gases C 2 H , respectively), resulting N‐doped with different doping levels. Differences were observed morphology electrochemical characteristics CNFs. While inner sphere redox (ISR) significantly affected, significant shift between peak potentials ascorbic acid (AA) dopamine (DA) was detected higher doped CNFs, enhanced selectivity towards DA. Our results demonstrate simple yet method for enhancing properties
Язык: Английский
Процитировано
0
Scientific African, Год журнала: 2025, Номер unknown, С. e02669 - e02669
Опубликована: Март 1, 2025
Язык: Английский
Процитировано
0
Small, Год журнала: 2025, Номер unknown
Опубликована: Апрель 8, 2025
Abstract The convergence of microfluidic and electrochemical biosensor technologies offers significant potential for rapid, in‐field diagnostics in biomedical environmental applications. Traditional systems face challenges cost, scalability, operational complexity, especially remote settings. Addressing these issues, laser‐induced graphene integrated sensors (LIGMIS) are presented as an innovative platform that integrates microfluidics both comprised graphene. This study advances the LIGMIS concept by resolving issues uneven fluid transport, increased hydrophobicity during storage, sensor biofunctionalization challenges. Key innovations include Y‐shaped reservoirs consistent flow, hydrophilic polyethyleneimine coatings to maintain wettability, separable components enabling isolated electrode nanoparticle metallization biofunctionalization. Multiplexed detection neonicotinoid imidacloprid nitrate ions water samples yields limits 707 n m 10 −5.4 with wide sensing ranges 5–100 µ −5 –10 −1 , respectively. Similarly, uric acid calcium detected saliva, demonstrating 217 −5.3 10–50 −2.5 Overall, this biosensing demonstrates capability multiplexed biologically complex solutions, applications quality monitoring oral cancer screening.
Язык: Английский
Процитировано
0
Surfaces and Interfaces, Год журнала: 2023, Номер 41, С. 103241 - 103241
Опубликована: Авг. 2, 2023
Язык: Английский
Процитировано
9
ChemElectroChem, Год журнала: 2023, Номер 10(16)
Опубликована: Июнь 18, 2023
Abstract A Prussian blue analogue with cobalt (Na 2‐ x Co[Fe(CN) 6 ] 1‐ y , PB‐Co ) which is often used as sodium‐ion battery material, was found to be an excellent sensing material toward some biomolecules by calcination. calcined at 750 °C for 1 h (PB‐Co 750‐1 has the improved defects facilitate adsorption and catalytic oxidation of ascorbic acid (AA), dopamine (DA) uric (UA). modified on screen printed carbon electrode (SPE) ultrasensitively simultaneous determination AA, DA UA demonstrates wide linear range, low limit detection (LOD) good reproducibility. In addition, redox analytes confirmed diffusion‐controlled process via kinetic study. The recoveries in real samples were between 91 % 114 %. AA tablets, serums urines could determined /SPE satisfactory results.
Язык: Английский
Процитировано
8
Electrochimica Acta, Год журнала: 2024, Номер 477, С. 143787 - 143787
Опубликована: Янв. 6, 2024
Язык: Английский
Процитировано
3