Showing 81 - 100 results of 167 for search '"electron transfer"', query time: 0.06s Refine Results
  1. 81

    Efficient Removing of Pharmaceutical Contaminants of Commercial Carbamazepine by Natural Pyrite-Induced Fenton Reaction in a Wide pH Range by Tingting Shi, Jianjun Xi, Yidan Shao, Qiao Tong, Xi Zou, Hongping Zhou, Shourong Liu, Xiaoya Gao

    Published 2024-01-01
    “…The elements composition and chemical states of pyrite changed significantly after the Fenton reaction, which promoted the production of active species in the electron transfer process. The degradation efficiency of carbamazepine (2.5 mg/L) can reach 99.71% after 30 min with 0.3 g/L of pyrite and 5 mM of H2O2, respectively. …”
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  2. 82

    Quantum Chemical Investigation on the Antioxidant Activity of Neutral and Anionic Forms of Juglone: Metal Chelation and Its Effect on Radical Scavenging Activity by Aymard Didier Fouegue Tamafo, Julius Numbonui Ghogomu, Nyiang Kennet Nkungli, Désiré Bikélé Mama, Elie Younang

    Published 2017-01-01
    “…In the aqueous phase also, the sequential proton loss electron transfer was preferred by all the molecules, while the Cu(II) chelates were the most reactive.…”
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  3. 83

    Kinetic Studies of Atom Transfer Radical Polymerisations of Styrene and Chloromethylstyrene with Poly(3-hexyl thiophene) Macroinitiator by Nattawoot Rattanathamwat, Jatuphorn Wootthikanokkhan, Nonsee Nimitsiriwat, Chanchana Thanachayanont, Udom Asawapirom

    Published 2015-01-01
    “…Poly(3-hexyl thiophene)-b-poly(styrene-co-chloromethylstyrene) copolymers, to be used as a prepolymer for preparing donor-acceptor block copolymers for organic solar cells, have been synthesised by reacting P3HT macroinitiators with styrene and chloromethylstyrene via three types of atom transfer radical polymerisation (ATRP) systems, which are (1) a normal ATRP, (2) activators generated by electron transfer (AGET), and (3) a simultaneous reverse and normal initiation (SR&NI). …”
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  4. 84

    Magnetic MXene/g-C3N4 nano catalyst for photocatalytic degradation of clindamycin contaminate in wastewater by Hadeel A. Abbas, Khalid K. Abbas, Ahmed M.H. Abdulkadhim Al-Ghaban

    Published 2025-01-01
    “…The surface chemistry, morphology, crystallinity, surface area, and propensity to participate in electron transfer reactions of the g-C3N4/MXene nano were characterized using a set of analytical measurements. …”
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  5. 85

    Green Synthesis of Cobalt–Zinc Ferrites and Their Activity in Dye Elimination via Adsorption and Catalytic Wet Peroxide Oxidation by Mariia Liaskovska, Tetiana Tatarchuk, Volodymyr Kotsyubynsky

    Published 2025-01-01
    “…Furthermore, the sample with x(Zn) = 0.4 exhibited the highest degradation rate constant k = 0.102 min<sup>−1</sup> in the peroxide oxidation of CR, whereas the sample with x(Zn) = 1.0 exhibited the highest adsorption capacity. The electron transfer between ferrite samples and hydrogen peroxide was evidenced using electrochemical tests. …”
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  6. 86

    A Sustainable Approach to Glucose Biosensors: Utilizing Coconut Shell Activated Carbon and NiCaFe₂O₄ Nanoparticles by Fatoni Amin, Hutama David, Hermawan Dadan, Samanman Saluma, Dwi Anggraeni Mekar

    Published 2025-01-01
    “…The performance of the electrode was further enhanced with NiCaFe₂ O₄ nanoparticles to improve electron transfer and redox potential. The optimized electrode consisted of a 2:1 ratio of activated carbon to paraffin, incorporating 16% NiCaFe₂ O₄ nanoparticles. …”
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  7. 87

    Enantioselective reductive cross-couplings to forge C(sp2)–C(sp3) bonds by merging electrochemistry with nickel catalysis by Yun-Zhao Wang, Bing Sun, Jian-Feng Guo, Xiao-Yu Zhu, Yu-Cheng Gu, Ya-Ping Han, Cong Ma, Tian-Sheng Mei

    Published 2025-01-01
    “…The combination of cyclic voltammetry analysis with electrode potential studies suggests that NiI species activate aryl halides via oxidative addition and alkyl chlorides via single electron transfer.…”
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  8. 88

    The coordination complex formed by oxalic acid and chromate and the mechanism for enhanced photoreduction of Cr(Ⅵ) under visible-light irradiation by GUAN Yingying, WANG Hao, GE Xiaoming, DENG Likai, DENG Bin, MU Yi*, ZOU Jianping*

    Published 2024-02-01
    “…The in situ generated HC2CrO7 complex was a visible-light-active species, and visible light could induce electron transfer from the oxalate unit to the Cr(Ⅵ) within the HC2CrO7 complex via a HOMO-LUMO electronic transition, resulting in Cr(Ⅵ) reduction. …”
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  9. 89

    Electrooxidation and Development of a Highly Sensitive Electrochemical Probe for Trace Determination of the Steroid 11-Desoxycorticosterone Drug Residues in Water by Wejdan T. Alsaggaf, Mohammad S. El-Shahawi

    Published 2022-01-01
    “…The dependency of the anodic peak current of the CV at 0.4 V at various concentrations and scan rate of the DCS drug was characteristic of an electrode-coupled electron transfer of EE type mechanism. At the optimized parameters, the proposed strategy allowed quantification of DCS in the concentration range 2.5 -13.19 nM (0.83-4.36 ng mL−1) with satisfactory limits of detection (LOD) and quantization (LOQ) of 9.3 × 10−1 nM (3.1 × 10−1 ng mL−1) and 3.1 nM (1.02 ng mL−1), respectively. …”
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  10. 90

    Voltammetric Determination of Homocysteine Using Multiwall Carbon Nanotube Paste Electrode in the Presence of Chlorpromazine as a Mediator by Fathali Gholami-Orimi, Farshad Taleshi, Pourya Biparva, Hassan Karimi-Maleh, Hadi Beitollahi, Hamid R. Ebrahimi, Mohamad Shamshiri, Hasan Bagheri, Masoud Fouladgar, Ali Taherkhani

    Published 2012-01-01
    “…The kinetic parameters of the system, including electron transfer coefficient, and catalytic rate constant were also determined using the electrochemical approaches. …”
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  11. 91

    Bioinspired artificial antioxidases for efficient redox homeostasis and maxillofacial bone regeneration by Ting Wang, Mingru Bai, Wei Geng, Mohsen Adeli, Ling Ye, Chong Cheng

    Published 2025-01-01
    “…Our studies demonstrate that Ru-hydroxide consists hydroxyls-synergistic monoatomic Ru centers, which efficiently react with oxygen species and collaborate with hydroxyls for rapid proton and electron transfer, thus exhibiting efficient, broad-spectrum, and robust ROS scavenging performance. …”
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  12. 92

    A Novel Aggregation-Induced Emission-Based Electrochemiluminescence Aptamer Sensor Utilizing Red-Emissive Sulfur Quantum Dots for Rapid and Sensitive Malathion Detection by Yajun Wu, Dongxiao Ma, Xiaoli Zhu, Fangquan Xia

    Published 2025-01-01
    “…The ECL signal was reduced because the biomolecules had poor electrical conductivity and inefficient electron transfer. When the target malathion was added, the double helix structure was unraveled, the malathion Apt fell off the electrode surface, and the ECL signal was restored. …”
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  13. 93

    Ocean wave-driven covalent organic framework/ZnO heterostructure composites for piezocatalytic uranium extraction from seawater by Jia-Xin Qi, Jing-Wen Gong, Cheng-Rong Zhang, Zhi-Hai Peng, Yuan-Jun Cai, Xin Liu, Jin-Lan Liu, Xiao-Juan Chen, Ru-Ping Liang, Jian-Ding Qiu

    Published 2025-01-01
    “…Meanwhile, the interface electric field established in the heterojunctions stimulates electron transfer from COFs to ZnO, which break the edge shielding effect of the ZnO’s metallic state. …”
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  14. 94

    Fine-tuning d-p hybridization in Ni-B x cocatalyst for enhanced photocatalytic H2 production by Haoyu Long, Xidong Zhang, Zhenyi Zhang, Jianjun Zhang, Jiaguo Yu, Huogen Yu

    Published 2025-01-01
    “…The femtosecond transient absorption spectroscopy further confirms the rapid electron-transfer dynamics in the Ni-B x /CdS photocatalyst. …”
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  15. 95

    Synthesis and Photophysical and Electrochemical Properties of Functionalized Mono-, Bis-, and Trisanthracenyl Bridged Ru(II) Bis(2,2′:6′,2″-terpyridine) Charge Transfer Complexes... by Adewale O. Adeloye, Peter A. Ajibade

    Published 2014-01-01
    “…With the aim of developing new molecular devices having long-range electron transfer in artificial systems and as photosensitizers, a series of homoleptic ruthenium(II) bisterpyridine complexes bearing one to three anthracenyl units sandwiched between terpyridine and 2-methyl-2-butenoic acid group are synthesized and characterized. …”
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  16. 96

    Electrochemically reduced graphene oxide integrated with carboxylated-8-carboxamidoquinoline: A platform for highly sensitive voltammetric detection of Zn(II) ion by screen-printed... by Ling Ling Tan, Nur Syamimi Mohamad, Nurul Izzaty Hassan, Choo Ta Goh

    Published 2025-01-01
    “…The CACQ-modified wrinkled ErGO electrode conferred a large surface-to-volume ratio with multiple binding sites resulting in greater opportunity for multiple dative covalent binding events with Zn(II) via coordination chemistry, and considerably accelerated the electron transfer rate at the electrode surface. The green Zn(II) sensor demonstrated a quick response time (60 s), broad linear range [1 pM-1 μM Zn(II) ion], a limit of detection (LOD) of 0.53 pM, 35 days of storage period (≥80% of its initial response retained), good reproducibility [relative standard deviation (RSD) = 3.4%], and repeatability (RSD = 4.4%). …”
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  17. 97

    Fluorescent Sensors Based on Organic Polymer-Capped Gold Nanoparticles for the Detection of Cr(VI) in Water by Na Wang, Liangchen Wang, Hong Yang, Tingting Xiong, Shangping Xiao, Jiawen Zhao, Weiping Du

    Published 2019-01-01
    “…It is suggested that the quenching mechanism is based on the combined effects of internal electron transfer and the inner filter effect. Finally, the recovering mechanism is based on the redox reactions between the Cr(VI) and Fe(II) ions.…”
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  18. 98

    Kinetics and Mechanism of Oxidation of Hexamethylenediaminetetraacetatocobaltate(II) Complex by Periodate Ion in Aqueous Medium by R. M. Naik, B. Kumar J. Rai, R. Rastogi, S. B. S. Yadav

    Published 2010-01-01
    “…The reactions has been investigated spectrophotometrically at λmax = 580 nm under pseudo- first -order condition by taking large excess of oxidant [IO4] at pH = 4.0±0.02, I = 0.1 M (CH3COONa + NaNO3).and temperature = 30± 0.1 °C The electron transfer reaction between [CoII HDTA] 4- and [IO4-] obeys inner sphere reaction pathway through the formation of long-lived intermediate complex which finally get converted into a corresponding [CoIIIHDTA] 3- complex as final reaction product. …”
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  19. 99

    Fine Tuning of Redox Networks on Multiheme Cytochromes from Geobacter sulfurreducens Drives Physiological Electron/Proton Energy Transduction by Leonor Morgado, Joana M. Dantas, Marta Bruix, Yuri Y. Londer, Carlos A. Salgueiro

    Published 2012-01-01
    “…These cytochromes play a crucial role by bridging the electron transfer from oxidation of cytoplasmic donors to the cell exterior and assisting the reduction of extracellular terminal acceptors. …”
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  20. 100

    Insights into excitonic behavior in single-atom covalent organic frameworks for efficient photo-Fenton-like pollutant degradation by Chao Zhu, Mingzheng Yang, Bo Jiang, Lun Lu, Qile Fang, Yong Zheng, Shuang Song, Baoliang Chen, Yi Shen

    Published 2025-01-01
    “…This modification not only enhances peroxymonosulfate adsorption at Cu active sites but also facilitates rapid electron transfer and promotes selective hydroxyl radical generation. …”
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