Results 61 to 70 of about 5,671 (212)

Pencil lead graphite electrochemically modified with polyglutamic acid as a sensor for detection of enrofloxacin in aqueous media

Vietnam Journal of Science, Technology and Engineering, 2023
This study investigates the modification of pencil lead graphite electrodes with polyglutamic acid using an effective and fast static method to develop a sensor for the detection of enrofloxacin (ENR).
Thi Hai Yen Pham, Thi Kim Ngan Nguyen, Thi Thu Hien Chu, Thi Thu Ha Vu, Quoc Hung Le   +4 more
doaj   +1 more source

Advances in Electrochemical Urea Biosensors: Trends and Future Prospects

Advanced Sensor Research, Volume 5, Issue 1, January 2026.
This review explores advances in enzymatic and non‐enzymatic biosensors, emphasizing electrochemical detection, material innovations, and IoT integration for real‐time tracking. Key challenges and future opportunities in enhancing sensitivity, selectivity, and portability are highlighted, showcasing biosensors as promising tools for next‐generation ...
Samar Shurbaji, Arshad Khan, Mohammad K. Hassan, Amine Bermak, Wen‐Di Li, Kabir H Biswas, Bo Wang   +6 more
wiley   +1 more source

Utility of Activated Glassy Carbon and Pencil Graphite Electrodes for Voltammetric Determination of Nalbuphine Hydrochloride in Pharmaceutical and Biological Fluids

International Journal of Electrochemistry, 2016
This work compares voltammetric response of nalbuphine hydrochloride (NP·HCl) at both activated glassy carbon and pencil graphite electrodes. The electrochemical oxidation of the drug was studied using cyclic voltammetry (CV), differential pulse ...
Hoda M. Elqudaby, Hassan A. M. Hendawy, Eglal R. Souaya, Gehad G. Mohamed, Ghada M. G. Eldin   +4 more
doaj   +1 more source

Pencil Lead as a Material for Microfluidic 3D-Electrode Assemblies

Sensors, 2018
We present an electrochemical, microfluidic system with a working electrode based on an ordered 3D array of pencil leads. The electrode array was integrated into a plexiglass/PDMS channel.
Emilia Witkowska Nery, Magdalena Kundys-Siedlecka, Yoshitaka Furuya, Martin Jönsson-Niedziółka   +3 more
doaj   +1 more source

Application of Graphene within Optoelectronic Devices and Transistors

, 2014
Scientists are always yearning for new and exciting ways to unlock graphene's true potential. However, recent reports suggest this two-dimensional material may harbor some unique properties, making it a viable candidate for use in optoelectronic and ...
A Calogeracos, A Das, A Javey, A O’Hare, A Pototsky, AB Gouider Trabelsi, AD Franklin, AD Franklin, AHC Neto, AK Geim, AK Geim, AK Geim, C Coletti, CA Downing, CE Shannon, CM Malec, CR Dean, D Schall, DA Stone, E Cobas, E Hendry, E McCann, F Bonaccorso, F Kreupl, F Schwierz, F Xia, FHL Koppens, FM Zhang, FV Kusmartsev, G Hlawacek, GK Lim, H Terrones, HW Zhu, J Park, J Rafiee, J Wang, J Zheng, JA Robinson, JC Meyer, JD Irwin, JH Chen, JH Seol, JR Williams, JT Kim, KI Bolotin, KS Kim, KS Novoselov, KS Novoselov, KS Novoselov, KS Novoselov, L Britnell, L Britnell, L Britnell, L Lu, LA Ponomarenko, LW Tutt, M Amin, M Engel, M Furchi, M Liu, MA Ionescu, ME Pumarol, MI Katsnelson, MI Katsnelson, MM Shulaker, N Savage, O Nicoletti, P Avouris, P Avouris, P Avouris, P Avouris, P Michetti, P Zhao, PP Shinde, PR Wallace, Q Bao, Q Bao, Q Zhang, QY He, QY He, R Cheng, R Martel, R Nandkishore, R Prasher, R Turton, RR Hartmann, S Bae, S Chen, S Jang, SD Sarma, SJ Tans, SV Morozov, T Georgiou, T Mueller, VH Nguyen, VV Zalipaev, X Du, X Fan, X Gan, X Li, X Wang, Y Wu, Y Yang, YB Zhou, YK Koh, YM Lin, YM Lin   +106 more
core   +1 more source

Flow Injection Analysis of Sulfide at a Calmagite-Modified Pencil Graphite Electrode

Analytical Letters, 2017
ABSTRACTIn this study, a new approach is proposed for low cost, sensitive, rapid, and selective detection of sulfide based on its electrocatalytic oxidation at a calmagite-modified pencil graphite electrode. The calmagite-modified pencil graphite electrode was prepared through electropolymerization in which five successive cyclic voltammograms of 0.10 ...
Emir, Gamze, Dilgin, Yusuf
openaire   +3 more sources

Recent Advances in the Construction of Energy Storage Functional Materials Utilizing Electrochemical Exfoliation and Dispersion Technology

Carbon Neutralization, Volume 5, Issue 1, January 2026.
The review covers the latest advances in constructing energy storage functional materials using “top‐down” electrochemical techniques: electrochemical exfoliation (ECE), utilized for layered 2D materials, and electrochemical dispersion (ECD) for metal‐based nanomaterials. This review also summarizes the formation mechanisms of electrode materials under
Mengli Hu, Mingjun Jing, Tianjing Wu, Jinzhi Yuan, Honghui Hu, Chan Cheng, Mengdan Luo, Kaige Long, Wanwan Hong, Dingzhong Luo, Hongshuai Hou, Xianyou Wang   +11 more
wiley   +1 more source

Simultaneous electrochemical determination of acetaminophen and metoclopramide at electrochemically pre-treated disposable graphite pencil electrode

Journal of Electrochemical Science and Engineering, 2016
A sensitive and economic voltammetric method was developed for the simultaneous determination of acetaminophen (AMP) and metoclopramide (MCP) using pre-treated graphite pencil electrode (PTGPE).
Shreekant M Patil, Vijay P Pattar, Sharanappa T Nandibewoor   +2 more
doaj   +1 more source

Dry writing of highly conductive electrodes on papers by using silver nanoparticle–graphene hybrid pencils [PDF]

The development of paper electronics would enable realization of extremely cheap devices for portable, disposable, and environmentally-benign electronics.
Lee, J.-S., Park, J.-H, Park, M.-J
core   +1 more source

Rapid prototyping of carbon-based chemiresistive gas sensors on paper [PDF]

, 2013
Chemically functionalized carbon nanotubes (CNTs) are promising materials for sensing of gases and volatile organic compounds. However, the poor solubility of carbon nanotubes hinders their chemical functionalization and the subsequent integration of ...
Azzarelli, Joseph Michael, Mirica, Katherine, Schnorr, Jan M., Swager, Timothy Manning, Weis, Jonathan Garrett   +4 more
core   +1 more source