Article
Materials Science, Multidisciplinary
Md. Mithu Mia, Santa Islam, Md. Almujaddade Alfasane, S. M. Abu Nayem, Abdul Awal, Syed Shaheen Shah, Hatim Dafalla Mohamed Dafalla, Md. Abdul Aziz, A. J. Saleh Ahammad
Summary: In this study, carbon sub-micro spheres (SMSC) were synthesized using Sargassum coriifolium seaweed, and a SMSC-modified glassy carbon electrode (SMSC/GCE) was fabricated for the simultaneous detection of hydroquinone (HQ) and catechol (CT). The morphology, structure, and electrochemical properties of SMSC were characterized using various analytical techniques. The SMSC/GCE exhibited a linear concentration range of 10-200 μM and low detection limits for HQ and CT. The kinetic parameters and interfacial interactions were investigated, and the proposed electrochemical sensor showed high sensitivity, anti-interference capability, stability, reproducibility, and satisfactory recovery for determining isomers in tap water.
MATERIALS CHEMISTRY AND PHYSICS
(2023)
Article
Chemistry, Applied
Viyana Movahed, Leila Arshadi, Mehrnaz Ghanavati, Ehsan Mahdavi Nejad, Zahra Mohagheghzadeh, Mosayeb Rezaei
Summary: A sensing layer containing ZnO@MnO2-rGO nanocomposite was used to modify a glassy carbon electrode for monitoring some antioxidant molecules. The resulting nanocomposite-modified electrode exhibited significant electrocatalytic activities, with low detection limits and satisfactory analytical performance.
Article
Chemistry, Physical
Chenxi Hu, Wen Zhang, Zifan Zheng, Xiong Yang, Qinghai Hao
Summary: Well-dispersed reduced graphene oxide (RGO) nanostructures with uniform decoration of silver nanoparticles (AgNPs) have been prepared and applied on glassy carbon electrodes (GCE) for simultaneous detection of hydroquinone (HQ) and catechol (CC) in mixed solutions. The AgNPs/RGO/GCE electrode showed enhanced detection performance with wide linear range and accurate limit of detection for HQ and CC in pH 6.0 mixed solution, indicating a great potential for practical applications.
FULLERENES NANOTUBES AND CARBON NANOSTRUCTURES
(2023)
Article
Chemistry, Physical
Jifan Zhao, Zhenyong Lu, Yue Wang, Baptista Jose Laurindo Mario, Shaoyan Wang
Summary: This study utilized cellulose to prepare a hierarchical porous carbon material, which was then applied as a sensor for simultaneous determination of hydroquinone and catechol. The resulting sensor exhibited wide linear ranges, low detection limits, and good performance, making it applicable for practical water sample analysis.
Article
Engineering, Chemical
Nasrin Sultana, Sanjay Datta Shawon, S. M. Abu Nayem, Md. Mahedi Hasan, Tamanna Islam, Syed Shaheen Shah, Mohammad Mahbub Rabbani, Md. Abdul Aziz, A. J. Saleh Ahammad
Summary: This study presents the development of an electrochemical sensor based on cobalt oxide nanorods for simultaneous and selective detection of hydroquinone and catechol. The sensor showed well-defined oxidation and reduction peaks for the target analytes with enhanced peak current. The sensor exhibited high sensitivity and selectivity, and it was successfully applied for the quantitative analysis of hydroquinone and catechol in tap water samples.
Article
Electrochemistry
Shohreh Jahani, Ali Sedighi, Ali Toolabi, Mohammad Mehdi Foroughi
Summary: In this study, a new nanocomposite was successfully fabricated for simultaneous detection of hydroquinone (HQ), catechol (CT), and resorcinol (RS). The nanocomposite exhibited large surface area, high electrical conductivity, and potent catalytic activity, allowing for the simultaneous detection of the three compounds.
ELECTROCHIMICA ACTA
(2022)
Article
Chemistry, Physical
Lei Sun, Hao Guo, Zhilan Pan, Bingqing Liu, Tingting Zhang, Meng Yang, Ning Wu, Junye Zhang, Fan Yang, Wu Yang
Summary: A COF based electrochemical sensor was fabricated using TFPB-BD-COF, PtNPs, and NH2-MWCNTs, showing superior performance in detecting catechol, hydroquinone, and resorcinol with good linear response and low detection limits.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2022)
Article
Chemistry, Analytical
Zi-Chun Fan, Zhuang Li, Xian-Yong Wei, Qian-Qian Kong, Zhong-Qiu Liu, Li Li, Jia-Hao Li, Fan Yin, Kun-Lang Lu, Zhi-Min Zong
Summary: This study proposed a method to simultaneously solve the clean utilization of lignite and the detection of catechol (CC) and hydroquinone (HQ). By preparing porous carbon materials with well-developed microporous and mesoporous structures, an electrochemical sensor with excellent electrocatalytic activity was constructed. The prepared sensor exhibited a wider linear concentration range and lower detection limits compared to graphene-based sensors, and showed good stability and applicability in environmental water samples.
MICROCHEMICAL JOURNAL
(2022)
Article
Chemistry, Physical
Bingqing Liu, Hao Guo, Lei Sun, Zhilan Pan, Liping Peng, Mingyue Wang, Ning Wu, Yuan Chen, Xiaoqin Wei, Wu Yang
Summary: In this study, a novel electrochemical sensor was constructed by fabricating an imine bond-linked covalent organic framework (COF) and multi-walled carbon nanotubes (MWCNTs) composite material, which can simultaneously detect catechol and hydroquinone in Yellow River water and tap water samples.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2022)
Article
Materials Science, Multidisciplinary
T. S. Sunil Kumar Naik, Arul Varman Kesavan, B. E. Kumara Swamy, Simranjeet Singh, Amith G. Anil, V Madhavi, Praveen C. Ramamurthy
Summary: This work proposes a simple method for modifying a pencil graphite electrode using differential pulse voltammetry and cyclic voltammetry techniques. The modified electrode showed improved sensing properties for catechol and hydroquinone with enhanced sensitivity and reproducibility.
MATERIALS CHEMISTRY AND PHYSICS
(2022)
Article
Polymer Science
Chao Hu, Haiping Huang, Han Sun, Yu Yan, Fang Xu, Jinsheng Liao
Summary: A dual-template molecularly imprinted polymer/carbon nanotubes/grassy carbon electrode was constructed for simultaneous detection of hydroquinone (HQ) and catechol (CC). The electrode exhibited enhanced response current and detection performance compared to carbon nanotubes/grassy carbon electrode. It showed good reproducibility and stability, and was successfully applied for the detection of HQ and CC in river water.
Article
Engineering, Environmental
Haiping Huang, Yanan Chen, Zhongzhen Chen, Jinglin Chen, Yongmei Hu, Jun-Jie Zhu
Summary: Ce-MOF/CNTs nanocomposites were prepared by a simple method and post-treated with NaOH/H2O2 mixed solution. The morphology and structure of the treated samples were characterized by various techniques, and the results showed a morphological change in Ce-MOF and the presence of two valence states of Ce3+/Ce4+ in the composite. The nanocomposites were used to fabricate an electrochemical sensor for the simultaneous detection of hydroquinone (HQ) and catechol (CC) with improved performance compared to the untreated samples.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Chemistry, Physical
Aleksandra Levshakova, Maria Kaneva, Evgenii Borisov, Maxim Panov, Alexandr Shmalko, Nikolai Nedelko, Andrey S. Mereshchenko, Mikhail Skripkin, Alina Manshina, Evgeniia Khairullina
Summary: The conversion of metal-organic frameworks (MOFs) into advanced functional materials is a promising route for producing unique nanomaterials. In this study, laser scribing was used to synthesize a Cu-CuO@C composite on the surface of a screen-printed electrode (SPE) through the pyrolysis of a Cu-based MOF. The fabricated Cu-CuO@C/SPE electrodes were characterized and their electrochemical properties were evaluated. The results demonstrated that the flexible electrochemical Cu-CuO@C/SPE sensor exhibited good sensitivity, broad linear range, and low limits of detection.
Article
Chemistry, Analytical
Liang Wei, Xinlong Huang, Xianqian Zhang, Xiande Yang, Jing Yang, Feiyan Yan, Yu Ya
Summary: Three-dimensional hierarchically porous carbon SA-900 was successfully fabricated through direct carbonization of sodium alginate, and applied to construct an ultrasensitive electrochemical sensing platform for simultaneous determination of hydroquinone, catechol, and resorcinol, with satisfactory results in lake water samples.
ANALYTICAL METHODS
(2021)
Article
Chemistry, Analytical
Peihong Deng, Chuanqin Zhou, Yanping Wei, Xuan Yue, Junhua Li, Liangyuan Yao, Jianhua Ding, Quanguo He
Summary: Salicylaldehyde functionalized chitosan (S-CHIT) was successfully synthesized and attached to the surface of acetylene black paste electrode (ABPE) to construct an electrochemical sensor. The electrochemical behaviors of catechol (CC) and hydroquinone (HQ) on the S-CHIT/ABPE were investigated using cyclic voltammetry (CV) and second-order derivative linear sweep voltammetry (SDLSV). Quantitative determination of CC and HQ was achieved using SDLSV with the oxidation signal. The results demonstrate that S-CHIT/ABPE is a promising electrochemical sensor for the simultaneous detection of CC and HQ.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Analytical
Sarvajith Malali Sudhakara, Mruthyunjayachari Chattanahalli Devendrachari, Harish Makri Nimbegondi Kotresh, Fasiulla Khan
Summary: Cobalt phthalocyanines are known for their superior electrocatalytic properties in analyzing a wide range of organic, inorganic, and biomolecular samples. This study describes the synthesis of an electrocatalyst by covalently connecting tetra carboxy cobalt phthalocyanine with the conducting polyaniline for detecting bioactive H2O2. The synthesized molecule exhibits outstanding catalytic activity, possibly due to the synergistic effect between the macrocyclic phthalocyanine molecule and the conducting PANI.
MICROCHEMICAL JOURNAL
(2021)
Article
Nanoscience & Nanotechnology
Debashis Tripathy, H. M. Viswanatha, Harish Makri Nimbegondi Kotresh, P. Vinoth Babu, Srinivasan Sampath
Summary: This study explores a conjugated two-dimensional polymer as a cathode material for reversible magnesium storage, demonstrating high capacity, cycling stability, and rate capability. Replacing the Mg metal anode with the Mg alloy AZ31 enhances ion storage performance. A composite of carbon nanotube with the polymer also shows excellent performance at high current density.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Analytical
Y. K. Guruprasadagowda, M. N. K. Harish, Debashis Tripathy, S. Sampath
Summary: In this study, a coumarin based tetramer, Tetrakiscoumarin (TKC), was synthesized and applied as an electrode material for lithium ion batteries. TKC exhibited excellent battery performance at different discharge rates and showed multiple redox reactions within a specific potential range.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Physical
Shwetha Rajappa, Poornima Gubbi Shivarathri, Malayanur Laxmipathi Aruna Kumari, Divyashree Kalenahally Swamygowda, Mruthyunjayachari Chattanahalli Devendrachari, Harish Makri Nimbegondi Kotresh
Summary: In this study, a facile mechanochemical method was used to synthesize the TAZnPc-PANI@Fe2O3 photocatalyst, which was characterized for its structure and properties, and its photodegradation efficiency towards dyes was investigated. The results indicated that the TAZnPc-PANI@Fe2O3 hybrid photocatalyst showed significantly enhanced photocatalytic performance under visible light for the degradation of dyes.
SURFACES AND INTERFACES
(2022)
Article
Chemistry, Multidisciplinary
Poornima Gubbi Shivarathri, Shwetha Rajappa, Divyashree Kalenahally Swamygowda, Mruthyunjayachari Chattanahalli Devendrachari, Harish Makri Nimbegondi Kotresh
Summary: In this study, a rapid and eco-friendly method was developed to synthesize cPANI@MCNTs, which showed excellent adsorption performance for the removal of cationic dyes from water. The adsorption equilibrium and kinetics were well fitted with the Langmuir model and pseudo-second-order, indicating the high efficiency of cPANI@MCNTs as a cationic-dye adsorbent.
SEPARATION SCIENCE AND TECHNOLOGY
(2023)
Article
Multidisciplinary Sciences
Sanchayita Mukhopadhyay, Mruthyunjayachari Chattanahalli Devendrachari, Sandeep C. Kanade, Chathakudath Prabhakaran Vinod, Harish Makri Nimbegondi Kotresh, Musthafa Ottakam Thotiyl
Summary: This study investigates the role of ligand isomerism in modulating the mechanisms and kinetics of charge/discharge chemistry in an aqueous metal-air battery. It finds that the alpha-NO2 isomer decreases the rate of oxygen reduction and oxygen evolution reactions, while the beta-NO2 isomer enhances these reactions. When integrated into a Zn-air battery, the beta-NO2 isomer significantly reduces overpotential and increases round-trip efficiency.
Article
Chemistry, Physical
Sarvajith Malali Sudhakara, Mruthyunjayachari Chattanahalli Devendrachari, Fasiulla Khan, Sheela Thippeshappa, Harish Makri Nimbegondi Kotresh
Summary: In this study, a polyaniline-linked tetra amino cobalt phthalocyanine surface functionalized ZnO hybrid nanomaterial was successfully fabricated for highly sensitive electrochemical detection of nitrites. The sensor demonstrated superior electrocatalytic activity, selectivity, sensitivity, and a low limit of detection compared to other systems. This exceptional electrocatalytic performance can be attributed to the synergetic effect of the high surface area of nanosized ZnO, conducting polyaniline, and metal-centered supramolecular tetra amino cobalt phthalocyanine.
SURFACES AND INTERFACES
(2023)
Article
Chemistry, Physical
Sanchayita Mukhopadhyay, Alagar Raja Kottaichamy, Pallavi Vyankuram Chame, Prasenjit Ghosh, Chathakudath Prabhakaran Vinod, Harish Makri Nimbegondi Kotresh, Sandeep C. Kanade, Musthafa Ottakam Thotiyl
Summary: We demonstrate that the reorganization ability of ligands in the electric double layer (EDL) often plays a dominant role in electrocatalysis, contrary to their inductive effect in the spectrochemical series. The same catalytic entity with carboxy functionalized ligand exhibits unexpectedly higher electrochemical activity compared to nitro functionalized ligands, despite their actual location in the spectrochemical series. Spectroscopic and electrochemical analyses suggest that the carboxy substituted ligand enriches the catalytically active species through proton charge assembly in the EDL, resulting in enhanced kinetics of the overall electrochemical process. This study suggests that blind designing of ligands solely based on their inductive effect should be reconsidered in order to fully utilize the maximum potential of molecules in electrocatalysis.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2023)
Article
Chemistry, Physical
Shubham Patel, Y. K. Guruprasada Gowda, Harish Makri Nimbegondi Kotresh, S. Sampath
Summary: Optimizing the chemical structure is crucial for efficient lithium ion storage in organic-based batteries. This study examines the effect of polymerization on the performance of gallic acid resin (GAR) in lithium-ion batteries. The synthesized resin, with its three phenolic and one carboxylic acid groups in each unit, outperforms its analogues, achieving a capacity of 1040 mA h g(-1) at low rates and stable 5000 cycles at high rates (5 A g(-1)). Mechanistic insights into lithium storage were also explored using spectroscopy techniques.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Chemistry, Physical
Mruthyunjayachari Chattanahalli Devendrachari, Ganesh Shimoga, Seok-Han Lee, Yong-Hae Heo, Harish Makri Nimbegondi Kotresh, Ramasubba Reddy Palem, Sang-Youn Kim, Dong-Soo Choi
Summary: In this study, in situ-grown copper phthalocyanine nanorod structures were combined with nano titanium nitride to form hybrid composites. The physicochemical properties of the synthesized composites were characterized using various spectroscopic techniques, including detailed electrochemical studies. The composites exhibited promising electrochemical stability and cumulative capacitive behavior. Among them, the TiN_nCuPc_3 composite showed outstanding specific capacitance and cycling stability.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Alagar Raja Kottaichamy, Siraprapha Deebansok, Jie Deng, Mohammed Azeezulla Nazrulla, Yachao Zhu, Zahid Manzoor Bhat, Mruthyunjayachari Chattanahalli Devendrachari, Chathakudath Prabhakaran Vinod, Harish Makri Nimbegondi Kotresh, Olivier Fontaine, Musthafa Ottakam Thotiyl
Summary: The essence of an electrochemical system lies in its electrical double layer (EDL), which can be reorganized by the structural isomerism of molecules, leading to enhanced energy storage capability. Through various analyses and studies, it has been found that the attractive field-effect resulting from structural isomerism screens the ion-ion coulombic repulsions in the EDL and reconfigures the local density of anions. The use of beta-structural isomerism in electrode design has resulted in a nearly 6-times increase in energy storage compared to state-of-the-art electrodes, even at high rates.
Article
Biotechnology & Applied Microbiology
Reddy Krishna Satish, Bhat Kanakapady Sumangala, Siddappa Yelegara Ravikumar, Harish Makri Nimbegondi Kotresh
Summary: The study investigated the impact of M_PGaMwCNT on bacterial biofilms, identifying Cu_PGaMwCNT and Zn_PGaMwCNT as potential candidates for preventing bacterial adhesion and biofilm formation.
RESEARCH JOURNAL OF BIOTECHNOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Debashis Tripathy, H. M. Viswanatha, M. N. K. Harish, Srinivasan Sampath
Summary: A cost-effective quinone-pyrrole conjugated polymer is used as an electrode for non-aqueous Al, Zn, and Li-ion batteries, exhibiting reversible capacities and stable cycles, making it suitable for various electrochemical energy storage applications.
CHEMICAL COMMUNICATIONS
(2022)
