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Water contamination caused by heavy metal pollutants from industrial activities remains a pressing environmental concern. This study reports the development of a novel carbon paste electrode (CPE) modified with ethylenediaminetetraacetic acid (EDTA), polyvinyl alcohol (PVA), and multi-walled carbon nanotubes (MWCNTs) using a mechanochemical method for the electrochemical detection of Cu(II) ions. The modified electrode was thoroughly characterized to evaluate its functional groups, morphology, crystallinity, elemental composition, and electrochemical properties. Electrochemical measurements were performed using cyclic voltammetry (CV) and square-wave anodic stripping voltammetry (SWASV) under optimized conditions in 0.1 M NH₄Cl at pH 5. The EDTA/PVA/MWCNT-CPE exhibited a low detection limit (0.0457 µM), a wide linear range (0.1–2.7 µM), and excellent reproducibility (RSD = 0.51%), repeatability (RSD = 0.43%), and stability (95% retention after six days). Selectivity tests demonstrated high recovery for Cu(II) (99.7%) and Hg(II) (99.89%) with minimal interference. This simple, cost-effective sensor offers high sensitivity and selectivity, making it a promising candidate for Cu(II) detection in environmental monitoring applications.

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기사명 저자명 페이지 원문 목차
Comprehensive review of MAX phase and MXene materials : synthesis, properties, and applications C.B. Subba, D.P. Rai, Mukhriddin E. Tursunov, Avazbek T. Dekhkonov, Z. Pachuau p. 2485-2570
"Matter–energy synergy" regulates the growth of CNTs Ruiliang Wang, Chengwei Wu, Chenyu Gao, Yuan Hu, Qianpeng Dong, Xinyue Zhao, Yan He, Dianming Chu, Wenjuan Bai p. 2571-2608
Impact of CFX fluorination level on the electrochemical performance of MnO2/CFX hybrid cathodes in lithium primary batteries Seongmin Ha, Seoyeong Cheon, Seongjae Myeong, Sangyeop Lee, Jin-Yong Shin, Young-Seak Lee p. 2609-2616
Enhanced selective Cu(Ⅱ) detection using a high-performance EDTA/PVA/MWCNT-modified carbon paste electrode Yurika Almanda Perangin Angin, Karna Wijaya, Wega Trisunaryanti, Reka Mustika Sari, Lia Destiarti, Won-Chun OH, Sung Su Kim, Balasubramani Ravindran, Soon Woong Chang, Karthikeyan Ravi p. 2617-2632
Sodium-induced phase shift in α-NaMnO2 and electrochemical properties of the full cells using hard carbon anodes derived from regional olive leaves Ebru Dogan, Sibel Ozcan, Canan Aksu Canbay, Mesut Karta, Tolga Depci, Serdar Altin p. 2633-2650
Interface-driven energy filtering effect and phonon scattering in n-type Ag2Se/polyaniline nanocomposites for enhanced thermoelectric performance R. Santhosh, R. Abinaya, S. Harish, J. Archana, S. Ponnusamy, H. Ikeda, M. Navaneethan p. 2651-2664
Machine learning-based carbon emission prediction and influence factor analysis discussion in China cement industry Chao-qiang Wang, An-ping Zuo, Yan-yan Liu p. 2665-2688
B, S doped zero-dimensional carbon quantum dots from bio-waste for high density supercapacitors Suman, Rani Gita, Bhawna, Kumar Harish, Devi Jai, Siddharth p. 2689-2702
Self-supporting laser-induced graphene-based electrodes for efficient OER and 5-hydroxymethylfurfural oxidation Xinyu Xiao, Mingyue Li, Guangmeng Chen, Weihua Zhou, Weiwei Zhao, Xiaoqing Liu p. 2703-2716
Facile synthesis of activated carbon/copper/copper oxide composite electrode material for supercapacitors using C.I. Pigment Blue 15:3 Gunhwan Park, Woong Kwon, Jiyeon Cheon, Daeun Kim, Gyeongjin Kim, Euigyung Jeong p. 2717-2728
Water-oxidized and ball-milled reduced graphene oxide based self-supporting electrodes for high performance flexible supercapacitors Jae Young Jung, Dong-gun Kim, Sungkwon Jung, Sujin Kim, Jae-yeong Kang, Yong-seong Park, Hongbum Kim, Nam Dong Kim, Pil Kim p. 2729-2740
Impact of WO3:CeO2@MXene/gC3N4 nano disk on sunlight-driven photocatalytic removal of fluoroquinolone antibiotic and high-performance supercapacitor application Rubesh Ashok Kumar Selvakumar, Vasvini Mary Devaraj, Rachel Angeline Lenin, Nagarani Sandran, Jih-Hsing Chang, Suganya Josephine Gali Anthoni p. 2741-2764
Effect of precursor structure on the pore structure and capacitance properties of porous carbons prepared by zinc chloride activation Guishan Liu, Tao Huang, Hai Li, Xihong Zu, Yingjuan Sun, Wenli Zhang p. 2765-2773
(A) comparative study of microstructures and thermal conductivities of nuclear graphite Yibo Zhang, Derek Tsang, Qian Liao, Xu Qiao, Vinay Chauhan, Xianfeng Ma, Yuzhou Wang p. 2775-2790
Fabrication of CuO-βCD/Co-Al LDH nanocomposite for supercapacitor applications D.R. Anakha, K. Nithyadas, T.V. Vyshnavi, M. Ananthkumar, Pavithra R. Menon, R. Yamuna p. 2791-2807
Graphene oxide/polyacrylonitrile/metal-organic framework-derived nitrogen-doped graphitic carbon electrode with hierarchically porous structure and high capacitive performance Hui Wang, Zhongyun Xu, Na Zhang, Lirong Kong, Qingqing Li, Yajun Cheng p. 2809-2819
Preparation of oxygen-enriched mesopore graphene for high performance supercapacitor Xinyang Zhang, Congcong Zhang, Jun Ni, Xiaoliang Wu p. 2821-2827
Study on fixation mechanism of soil available nutrients and optimization of production process of nutrient-rich biochar based on XGBoost machine learning prediction model Jikai Lu, Bing Wang, Kenji Ogino, Hongyu Si, Yan Li p. 2829-2846
Low-temperature thermal exfoliated reduced graphene oxide as an anode material for Li-ion batteries Xiao Han, Tirupathi Rao Penki, Shivakumara Sekharappa, Brij Kishore, Gopi Raja, Udayabhaskararao Thumu, Yixi Wang, Krishna Harika Villa, Munichandraiah Nookala p. 2847-2862
Immobilization of molybdenum disulfide nanoparticles onto metal–organic framework-derived carbon nanotubes and carbon cloth templates for flexible sodium-ion battery anodes Jinwoo Hwang, Gyeongbeom Ryoo, Seokkyu Kim, Joong Tark Han, Eunho Lee, Jong Hwan Park p. 2863-2875
Optimal rate of biochar application has positive effects on soil functional microbial abundance and agroecological function in a black soil of Northeast China Yuhan Xia, Fangni Zhu, Song Guan, Sen Dou, Bowen Zhang, Wenjing Zhu p. 2877-2894
(The) coconut shell-derived porous carbon supported hollow spherical ZnFe2O4 as an efficient electromagnetic wave absorption material Meng Wang, Tong Xu, Hong Pan, Lihui Xu, Yi Teng, Xueqiang Fu, Rui Zhang, Qian Li p. 2895-2906
Synthesis of glycidol-modified waterborne polyurethanes as sizing agents for enhancing the mechanical properties of CF/PA6 composites Pengfei Deng, Shuangquan Wang, Qiuxue Zhang, Songsong Li, Yunjiao Deng, Zhongyu Fu, Chao Zhou, Huixuan Zhang p. 2907-2916
Enhancing the frictional performance of lubricant oil-impregnated graphite via oxidation-induced pore expansion and hydrophobic silane treatment So Youn Mun, Jinuk Hwang, Da Hyun Yu, So Jung Baek, Dho Hyun Um, Dong Gi Seong, Kwang Youn Cho p. 2917-2930
In situ co-deposition-enabled hierarchical pores in Ni–Co–Zn ferrite/carbon derived from biomass composites with adaptive electromagnetic wave absorption Guoliang Chen, Dan Feng, Runqing Liu p. 2931-2951
Two-step experimental analysis of CFs/CNTs-Cu for bilayer bonding in electrical wiring Akhtar Iqbal, Yang Yang, Jianwei Dong, Amir Ali Khan, Yixuan Zhang, Yuanbo Bi, Zhen Luo p. 2953-2966
Screening and optimization of Cu-based bimetallic oxide cathode catalysts and their study on the electricity generation effect in microbial fuel cells Hua Liu, Chenxin Wang, Cheng Li, Xuan Yang, Cong Li, Zhi Song p. 2967-2979
Expanded graphite-confined bimetallic sulfide heterostructure enables high-capacity and long-life lithium-ion batteries Chengqing Deng, Kai Pan, Xiaohui Zhang, Feiyan Lai, Guangchang Yang, Jiawen Guo p. 2981-2991
Electrochemical modification of reduced graphene oxide with 5-amino-1,10-phenanthroline prior to silver nanoparticles electrodeposition for oxygen reduction reaction Maria Ulfa, Laurent Galmiche, Fabien Miomandre, Yahdi Bin Rus p. 2993-3003
Effect of introduction of graphene nanoplatelets (GNPs) on the microstructure, mechanical properties, and wear resistance of FeCoNiCuAl particles reinforcing aluminum matrix composites via friction stir processing Dongchen Zhao, Xiaofeng Yu, Zhongyuan Suo, Tingqu Li, Wencui Xiu, Baoming Yao, Zihao Chen, Jizhao Yu p. 3005-3021
Electrochemical characteristics of layered carbon-coated silicon anode composites embedded with Si@C for Li-ion batteries Kang Mi Lee, Jong Dae Lee p. 3023-3032
Investigation on cutting forces and damage evolution in helical milling of CFRP/Ti stacks with interlayer gaps Haiyan Wang, Kun Duan, Jianglong Zhang, Siyi Pan p. 3033-3046
Carbon dot-magnetite nanoparticle composites in CaCO3 microspheres for multiplexed bioimaging and magnetic targeting Irina A. Arefina, Evgeniia A. Stepanidenko, Sergey V. German, Margarita V. Nikiforova, Julijana Cvjetinovic, Kseniia A. Sergeeva, Elena I. Marusich, Alexey M. Yashchenok, Sergei A. Cherevkov, Elena V. Ushakova, Andrey L. Rogach p. 3047-3057
Structural effect of ZIF-8 derived carbon on sodium-ion storage behavior Kitak Kim, Jongyeop Choi, Seunghoon Nam p. 3059-3068
Study on co-carbonization characteristics and thermal conversion kinetics of medium- and low-temperature and high-temperature refined pitch Shiquan He, Louwei Cui, Jiaojiao Liu, Sijie Wang, Yanyan Song, Ting He, Tao Liu, Huaan Zheng, Yonghong Zhu, Dong Li p. 3069-3087
Enhanced thermal conductivity of cerium-doped yttrium aluminum garnet and aluminum nitride co-sintered phosphor via soluble carbon material coating Syun Gohda, Kana Fujioka p. 3089-3097
Synergistic design of intra- and inter-laminar fiber hybridization and axial yarn reinforcement in carbon/glass hybrid braided tubes Zhenyu Wu, Yuhang Zhang, Lin Shi, Zhi Yang, Xiaoying Cheng, Hongjun Li, Duncan Camilleri p. 3099-3119
Control of microspores of anthracite-based activated carbons for high-performance capacitors Taeyoung Park, Jang Hee Kim, Hyeon Ji Jeong, Kwang Hyun Park, Jungmo Kim, Sung Ho Song, Wang-Geun Shim p. 3143-3152
Evaluation of the cytotoxicity of pristine two-dimensional carbon nitride and its oxidized form on human macrophages Ghidaa Badran, Tengfei Wang, Yunseok Shin, Sungjin Park, Alberto Bianco p. 3153-3161
Unlocking hydrogen storage potential of carbon nanocluster : a computational study of metal codoping effects Poonam Parkar, Ajay Chaudhari p. 3163-3185
High-performance cement with minimal graphene content enabled by improved dispersion through cellulose nanofibers Jae Seo Park, Ki Yun Kim, Line Kim, Gayoung Jung, Ji Yun Kim, Won Hwa Lee, Jea Uk Lee, Seung Jae Yang p. 3187-3200
Enhanced electrochemical performance of FeSe2@rGo composites as anode materials for lithium-ion batteries Joon Ha Moon, Seunghui Lee, Honggyu Seong, Geongil Kim, Youngho Jin, Chaeweon Lee, Byeong Hwi Ahn, June Young Jang, Seung-Ryong Kwon, Jaewon Choi p. 3201-3210
Synergistic enhancement of low-grade flake graphite flotation via ultrasonic cavitation and ionic-strength modulation Shilong Ye, Zhengjie Chen, Yonghang Zhang, Xiuhua Chen, Xiaowei Chen, Yaqi Zhao, Dandan Wu, Shaoyuan Li, Wenhui Ma p. 3121-3142

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