Results 41 to 50 of about 5,368 (222)

Simple immunosensor for ultrasensitive electrochemical determination of biomarker of the bone metabolism in human serum

Frontiers in Chemistry, 2022
Ultrasensitive and selective determination of biomarkers of the bone metabolism in serum is crucial for early screening, timely treatment, and monitoring of the curative effect of osteoporosis, which is a silent disease with serious health threats ...
Qiang Chang, Qiang Chang, Jie Huang, Liming He, Liming He, Fengna Xi   +5 more
doaj   +1 more source

Tunable Bio‐Derived Bimetallic Cu–Zn/2‐AA Metal–Organic Framework as an Efficient Electrode Modifier for Detection of Cadmium and Dopamine

ChemElectroChem, Volume 13, Issue 11, 3 June 2026.
A bio‐derived bimetallic Cu–Zn/2‐AA metal–organic framework is developed as an efficient electrode modifier for dual electrochemical sensing. The platform delivers ultrasensitive detection of cadmium and dopamine with femtomolar to attomolar limits and enhanced selectivity. The synergistic metal centers and porous structure significantly improve charge
Fahmida Akter Sahara, Shishir Kumar Dey, Md. Arafat Ali, Md. Razu Ahmed, Md. Hridoy Ali, Zarin Tasnim Nijhum, Md. Khairul Amin, Sagar Kumar Dutta   +7 more
wiley   +1 more source

Direct Electron Transfer of Glucose Oxidase and Electrocatalysis of Glucose Based on Gold Nanoparticles/Electroactivated Graphite Nanocomposite

International Journal of Electrochemical Science, 2015
In this study, we reported a direct electron transfer reaction of glucose oxidase (GOx) at gold nanoparticles-electroactivated graphite/screen printed carbon electrode (AuNPs-EGr/SPCE). The activated graphite was prepared through a simple electrochemical
Murugan Velmurugan, Subramanian Sakthinathan, Shen-Ming Chen, Chelladurai Karuppiah   +3 more
doaj   +1 more source

Exploring the Potential of Zero‐Dimensional Carbon Nanomaterials in Photoluminescent, Electrochemiluminescent and Electrochemical Sensors

Advanced Materials Interfaces, Volume 13, Issue 11, 9 June 2026.
Zero‐dimensional carbon nanomaterials are presented as multifunctional platforms linking structure, property, and sensing performance. Surface engineering and heteroatom doping modulate electron‐transfer and luminescent behavior, enabling electrochemical, photoluminescent, and electrochemiluminescent detection. Fundamental design principles, analytical
Gustavo Martins, Jeferson Luiz Gogola, Ava Gevaerd, Cristiane Kalinke, Paulo Roberto de Oliveira, Fabio Roberto Caetano, Bruno Campos Janegitz, Márcio Fernando Bergamini, Luiz Humberto Marcolino‐Junior   +8 more
wiley   +1 more source

A Novel Poly (Taurine)/Nano Gold Modified Electrode for the Determination of Arsenic in Various Water Samples

International Journal of Electrochemical Science, 2011
Poly taurine nano gold film has been fabricated on glassy carbon electrode (GCE) and ITO using cyclic voltammetry. Fabricated poly taurine nano gold film modified GCE has been successfully employed for the detection of arsenic in lab analysis and real ...
Muniyandi Rajkumar, Shr-Chiang Chiou, Shen-Ming Chen, Soundappan Thiagarajan   +3 more
doaj   +1 more source

Capillary Electrophoresis With Amperometric Detection for Neurotransmitter Analysis: Principles, Electrode Materials, Methodologies, and Applications

ELECTROPHORESIS, Volume 47, Issue 6, Page 450-478, June 2026.
This review provides a comprehensive summary of monoamine neurotransmitter analysis by capillary electrophoresis with amperometric detection. Fundamental principles of amperometric detection, electrode positioning strategies, and approaches to high‐voltage decoupling are described, followed by a critical comparison of electrode materials, selection of ...
Petr Kubáň, Jiří Volánek, Nguyen Thi Thu Trang, Tran Dai Lam   +3 more
wiley   +1 more source

Development Of A Carbon Paste Electrode For Lactate Detection Based On Meldola's Blue Adsorbed On Silica Gel Modified With Niobium Oxide And Lactate Oxidase

, 2015
A reagentless amperometric biosensor sensitive to lactate was developed. The sensor employs a carbon paste electrode modified with lactate oxidase (LOx) and Meldola's Blue (MB) adsorbed on silica gel coated with niobium oxide.
Pereira A.C., Kisner A., Kubota L.T., Tarley C.R.T.   +3 more
core   +1 more source

A Multiphysics Engineering Model of pH and Oxygen Transport Limitations in Textile‐Based Wearable Lactate Biosensors

Engineering Reports, Volume 8, Issue 6, June 2026.
A one‐dimensional multiphysics engineering model is developed to elucidate the coupled transport and reaction phenomena governing textile‐based wearable lactate biosensors operating in sweat. The model integrates diffusion of lactate, oxygen, hydrogen peroxide, and protons with dual‐substrate enzymatic kinetics, acid–base equilibria, and mediator‐based
Kamel A. Saleh, Zainab Taha Mohammed Jaddoa, M. M. Rekha, Subhashree Ray, Talal Aziz Qassem, T. Krithiga, Renu Sharma, Prakhar Tomar, Amir Arsalanirad   +8 more
wiley   +1 more source

İnsan Serum Albümin Nanopartikül/surfaktant Polimer Temelli Sensör ile Metil Paratiyonun Enzimsiz Elektroanalizi

Düzce Üniversitesi Bilim ve Teknoloji Dergisi, 2021
Bu çalışmada, insan serum albümin nanopartiküller (HSA NP) ve elektrobiriktirilmiş yüzey aktif polisetiltrimetil amonyum bromür p(CTAB) film kaplı grafit elektrotlar (PGE) tehlikeli bir çevresel kirletici olan metil paratiyonun (MP) hassas ve seçici ...
Gülçin Bolat
doaj   +1 more source

MXene‐Enabled Wearable Biosensors: A Design Framework for Autonomous Biosensing

ChemElectroChem, Volume 13, Issue 9, 5 May 2026.
Bridging nanoscale innovation with MXene to real‐time, patient‐centered health systems. MXenes, a rapidly expanding family of two‐dimensional transition metal carbides and nitrides, have emerged as leading materials for wearable bioelectronics due to their metallic conductivity, termination‐rich surfaces, mechanical compliance, and tunable interlayer ...
Jegan Rajendran, Gymama Slaughter
wiley   +1 more source