Article
Electrochemistry
Keke Liu, Yanan Chen, Xueliang Dong, Yongmei Hu, Haiping Huang
Summary: A heterostructured nanocomposite modified electrode was designed for sensitive and efficient nitrite determination. The nanocomposite, consisting of bimetallic FeCo metal-organic framework (MOF) and multi-walled carbon nanotubes (MWCNTs), demonstrated dramatically enhanced catalytic activity towards nitrite detection. Co-doping of Fe-Co significantly improved the electronic conductivity and catalytic capacity of the MOF/MWCNTs composite. These findings provide new potentials for nitrite inspection in environmental monitoring.
ELECTROCHIMICA ACTA
(2023)
Article
Environmental Sciences
Xue Wang, Shuang Yang, Xuting Bai, Jiajia Shan
Summary: In this study, a novel electrochemical sensing platform was developed for the detection of CBZ residues in water and food. The sensor exhibited high sensitivity and reliability, enabling accurate detection of CBZ.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Engineering, Environmental
Wen-Chien Huang, You-Ning Hsiung
Summary: In this study, a porous electrochemical immunosensor was developed for the sensitive determination of ractopamine (RAC). By using a cMWCNT-Ag-CS matrix film with a working bare screen-printed carbon electrode (SPCE), the immunosensor was successfully fabricated. The results showed that the cMWCNT-Ag-CS matrix film provided a beneficial microenvironment for the coupling probability of anti-RAC, promoting electron transfer and enhancing the sensitivity of the immunosensor. This strategy based on a cMWCNT-Ag-CS substrate may offer a new approach for the sensitive and selective detection of other lean meat powders.
JOURNAL OF POLYMERS AND THE ENVIRONMENT
(2023)
Article
Chemistry, Applied
J. Jayadevi Manoranjitham, S. Sriman Narayanan
Summary: In this study, an electrochemical sensor for the determination of BHA was developed by electropolymerization of OC over MWCNTs. The POC/MWCNTs electrode showed BHA oxidation occurring at 0.27 V, with a linear detection range from 0.33 mu M to 110 mu M and a detection limit of 0.11 mu M. Amperometric determination of BHA using chronoamperometric techniques confirmed the linear relationship. The real-time analysis of sensors was validated by analyzing packed potato chips samples.
Article
Chemistry, Physical
Xiuying Wan, Mengyuan Zhao, Fang Li, Gan Zhu, Hongyuan Zhao
Summary: In this study, a novel electrochemical sensor for niclosamide (NA) detection was developed using a multifunctional nanocomposite of palygorskite nanofibers and bifunctional multiwalled carbon nanotubes (BMCN). The BMCN@Pal nanocomposite showed excellent electrical conductivity and dispersion performance due to graphitization and carboxylation of the BMCN, while the Pal nanofibers exhibited good electrocatalytic activity. The sensor demonstrated low limit of detection (7.88 nM) and good repeatability for the detection of NA in water samples.
Article
Chemistry, Analytical
Haiyan Zhao, Kemei Shi, Cong Zhang, Jujie Ren, Min Cui, Na Li, Xueping Ji, Rui Wang
Summary: This study developed a sensitive electrochemical sensor for the detection of doxorubicin. By using a covalent organic framework decorated with gold nanoparticles and multiwalled carbon nanotubes, the sensor achieved high sensitivity for doxorubicin detection. With improved electrocatalytic activity and conductivity, the sensor showed potential application in monitoring doxorubicin drug level in clinical samples.
MICROCHEMICAL JOURNAL
(2022)
Article
Biochemical Research Methods
Ersin Demir, Hulya Silah, Cem Erkmen, Bengi Uslu
Summary: In this study, a novel, portable electrochemical sensor was developed for the determination of mepivacaine. The sensor showed fast response, simplicity, high sensitivity, and low interference from other substances. The method was successfully applied for mepivacaine determination in different samples.
COMBINATORIAL CHEMISTRY & HIGH THROUGHPUT SCREENING
(2023)
Article
Biophysics
Nikita Agrawal, Rutesh Savalia, Sanghamitra Chatterjee
Summary: An innovative electrochemical approach utilizing a sensor fabricated with zinc oxide nanoparticles embedded on functionalized multi-walled carbon nanotubes has been successfully developed for the detection of nifedipine, with high sensitivity and low detection limit. Optimized operational parameters were achieved by altering instrumental variables, and the sensor demonstrated good stability and reproducibility in pharmaceutical formulations and biological sample assays. The sensor's selectivity was outlined by effectively detecting nifedipine in urine and blood serum samples of patients being treated for hypertension without interference from coexisting metabolites.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2021)
Article
Chemistry, Analytical
Salem Nasraoui, Ammar Al-Hamry, Priscila Rios Teixeira, Sami Ameur, Leonardo G. Paterno, Mounir Ben Ali, Olfa Kanoun
Summary: This paper presents a sensitive, selective, and reproducible electrochemical sensor for nitrite detection using laser-induced graphene (LIG) electrode modified by functionalized multiwalled carbon nanotubes (f-MWCNT) and gold nanoparticles (AuNPs) films. The sensor demonstrates excellent performance with a linear characteristic and low detection limit. The results show that the sensor can detect nitrite accurately and reliably, making it a promising tool for practical applications.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2021)
Article
Chemistry, Analytical
Fudan Zhu, Huilan Shi, Cunli Wang, Xian Zhou, Xin Zhang, Fengchun Yang
Summary: A disposable electrochemical sensor based on a bismuth selenide/carboxylic multiwalled carbon nanotube (Bi2Se3@MWNTs-COOH) nanocomposite has been designed for nitrite detection, showing excellent performance with fast electron transfer rate and high electrochemically active surface area. The sensor has a wide detection range of 0.01 mu M - 7.0 mM and a low detection limit of 0.002 mu M, making it an effective analytical tool for monitoring nitrite. This work provides new insights into nitrite detection and encourages exploration of rapid and cost-effective detection methods using nanocomposites and disposable systems.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Chemistry, Analytical
Maria Kuznowicz, Tomasz Rebis, Artur Jedrzak, Grzegorz Nowaczyk, Miroslaw Szybowicz, Teofil Jesionowski
Summary: A novel non-enzymatic glucose sensor based on PCA@MWCNT-CuO was developed, showing high sensitivity and low limit of detection. The sensor measures glucose concentration through electrochemical deposition of CuO and demonstrates good accuracy and precision for quantifying glucose in human serum and blood samples.
Article
Nanoscience & Nanotechnology
Vasuki Durairaj, Panpan Li, Touko Liljestrom, Niklas Wester, Jarkko Etula, Ilona Leppanen, Yanling Ge, Katri S. Kontturi, Tekla Tammelin, Tomi Laurila, Jari Koskinen
Summary: Four types of nanocellulosic materials with different functional groups were used to disperse multiwalled carbon nanotubes, resulting in composite electrodes with excellent stability and electrochemical properties in different electrolytes. Anionic fibrillar nanocellulosic composites showed strong electrostatic and physical enrichment effects, while denser crystalline composites did not exhibit such behavior. This study provides insights for developing customizable nanocellulose/carbon nanomaterial hybrid platforms for various electrochemical applications.
ACS APPLIED NANO MATERIALS
(2021)
Article
Chemistry, Physical
Zeynab Khazaee, Ali Reza Mahjoub, Amir Hossein Cheshme Khavar
Summary: A new low-cost bimetallic nanoalloy of CuBi was successfully fabricated on carboxylated MWCNTs, demonstrating significantly enhanced visible light-driven photocatalytic removal of fluoroquinolone-type antibiotics (Ciprofloxacin and Ofloxacin) compared to pure CNTs. The ultrathin 2D nanosheets of CuBi alloy were uniformly distributed on the CNTs bundles, contributing to the high photocatalytic oxidation rate of the CuBi-nanoalloy/MWCNTs.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Chemistry, Physical
Zhengcheng Wang, Shangyan Zhou, Wei Liao, Qingmei Wang
Summary: In this study, PtCo alloys catalysts supported on multiwalled carbon nanotubes (MWCNTs) were prepared with improved methanol oxidation reaction (MOR) properties and anti-CO poisoning ability. The Pt1Co3@NC/MWCNTs sample with moderate Co2+ feeding content showed a 1.93-fold enhancement in MOR mass activity compared to commercial Pt/C catalyst. Additionally, it displayed a lower CO oxidation onset potential. The improvements in MOR activity, durability, and anti-CO poisoning ability were attributed to the moderate surface compositions, optimal electronic interaction, and the protection of N-doped carbon (NC) shells. This study provides a new direction for the design and fabrication of highly efficient electrocatalysts for DMFCs applications.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Electrochemistry
Nehad Yousf, Emtinan Ouda, Hend S. Magar, Rabeay Y. A. Hassan, S. A. Mansour, El-Shazly M. Duraia
Summary: This research focuses on the chemical synthesis and characterization of bimetallic oxide/carbon nanomaterial hybrids. The study demonstrates the promising applications of these nanomaterials in designing high-efficiency nano-sensors and biosensors, particularly in terms of electrocatalytic properties and nano-enzymatic amperometric detection.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2022)
Article
Electrochemistry
Wenhai Tan, Youfeng Zhang, Yichen Zhang, Yanbo Ma, Chao Zhao, Yinling Wang
Summary: This study synthesized Co3O4/CC cathode materials with excellent performance for aqueous zinc-ion batteries by varying the reactant concentration. The Co3O4/CC nanowires exhibited uniform distribution, regular surface, and small size on the carbon cloth. The battery assembled with Co3O4/CC material synthesized at a reactant concentration ratio of 2:1 showed better performance, with high discharge specific capacity and capacity retention rate.
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
(2024)
Article
Electrochemistry
T. Salahuddin, Iqra Kousar, Mair Khan, M. Munawwar Iqbal Ch
Summary: This paper investigates the dynamics of fluid motion powered by cilia within a curved channel and examines the chemical reactions occurring in the presence of electro-osmotic impact. The findings offer insights into various flow characteristics and present a method for simulating non-Newtonian fluid models in three dimensions. Additionally, the model has potential applications in the development of micro-vascular chips, which could be crucial for diagnosing blood-related issues.
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
(2024)
Review
Electrochemistry
Ahmed Abou-Shady
Summary: Soil electrokinetic (SEK) is a significant technology with various applications in fields such as soil remediation, pollutant removal, and water regulation. This review summarizes the recent advancements in SEK, focusing on electrode modifications and material additives, and suggests future research directions.
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
(2024)
