Relevant bibliographies by topics / 4-nitrophenol reduction

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Academic literature on the topic '4-nitrophenol reduction'

Author: Grafiati
Published: 26 June 2023
Last updated: 26 July 2025

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Journal articles on the topic "4-nitrophenol reduction"

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Serrà, Albert, Raül Artal, Maria Pozo, Jaume Garcia-Amorós, and Elvira Gómez. "Simple Environmentally-Friendly Reduction of 4-Nitrophenol." Catalysts 10, no. 4 (2020): 458. http://dx.doi.org/10.3390/catal10040458.

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The low molecular-mass organic compound 4-nitrophenol is involved in many chemical processes and is commonly present in soils and in surface and ground waters, thereby causing severe environmental impact and health risk. Several methods have been proposed for its transformation (bio and chemical degradation). However, these strategies not only produce equally or more toxic aromatic species but also require harsh operating conditions and/or time-consuming treatments. In this context, we report a comprehensive and systematic study of the electrochemical reduction of 4-nitrophenol as a viable alt
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Macho, Vendelín, Milan Kučera, and Milan Králik. "Carbonylative Reduction of Nitrophenols to Aminophenols." Collection of Czechoslovak Chemical Communications 60, no. 3 (1995): 514–20. http://dx.doi.org/10.1135/cccc19950514.

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Two- or three-component catalysts composed of (i) sulfur or sulfur compound (H2S, CS2, COS, Na2S), (ii) basic additive (triethylamine, CH3ONa, Na2S), and usually (iii) vanadium(V) compounds (e.g. NH4VO3) were found to catalyze efficiently the reaction of CO + H2O with isomeric nitrophenols to give the corresponding aminophenols. The reaction proceeds smoothly at 398 and 483 K and initial pressure of 7 MPa, and its rate increases from 2- to 4-nitrophenol. The selectivity to aminophenols exceeding 96 per cent was obtained at the water to nitrophenol molar ratio higher than 5. The solvents such a
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Chen, Jie, Rong Ji Dai, Bin Tong, Sheng Yuan Xiao, and Weiwei Meng. "Reduction of 4-nitrophenol catalyzed by nitroreductase." Chinese Chemical Letters 18, no. 1 (2007): 10–12. http://dx.doi.org/10.1016/j.cclet.2006.11.009.

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Konarev, A. A. "Electrochemical reduction of 4-chloro-2-nitrophenol." Russian Chemical Bulletin 72, no. 2 (2023): 500–506. http://dx.doi.org/10.1007/s11172-023-3813-4.

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Sree, Vijaya Gopalan, Jung Inn Sohn, and Hyunsik Im. "Pre-Anodized Graphite Pencil Electrode Coated with a Poly(Thionine) Film for Simultaneous Sensing of 3-Nitrophenol and 4-Nitrophenol in Environmental Water Samples." Sensors 22, no. 3 (2022): 1151. http://dx.doi.org/10.3390/s22031151.

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A very simple, as well as sensitive and selective, sensing protocol was developed on a pre-anodized graphite pencil electrode surface coated using poly(thionine) (APGE/PTH). The poly(thionine) coated graphite pencil was then used for simultaneous sensing of 3-nitrophenol (3-NP) and 4-nitrophenol (4-NP). The poly(thionine) coated electrode exhibited an enhanced electrocatalytic property towards nitrophenol (3-NP and 4-NP) reduction. Redox peak potential and current of both nitrophenols were found well resolved and their simultaneous analysis was studied. Under optimized experimental conditions,
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Le, Van Thuan, Ngoc Nhu Quynh Ngu, Tan Phat Chau, et al. "Silver and Gold Nanoparticles from Limnophila rugosa Leaves: Biosynthesis, Characterization, and Catalytic Activity in Reduction of Nitrophenols." Journal of Nanomaterials 2021 (May 20, 2021): 1–11. http://dx.doi.org/10.1155/2021/5571663.

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This study describes a simple green method for the synthesis of Limnophila rugosa leaf-extract-capped silver and gold nanoparticles without using any expensive toxic reductant or stabilizer. The noble metal nanoparticles were characterized by Fourier transform infrared (FTIR) microscopy, powder X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), energy-dispersive X-ray analysis (EDX), high-resolution transmission electron microscopy (HR-TEM), selected area electron diffraction (SAED), and dynamic light scattering (DLS) method. It has been found that the biosynthesize
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Varshney, Shalaka, Dan Meyerstein, Ronen Bar-Ziv, and Tomer Zidki. "The Competition between 4-Nitrophenol Reduction and BH4− Hydrolysis on Metal Nanoparticle Catalysts." Molecules 28, no. 18 (2023): 6530. http://dx.doi.org/10.3390/molecules28186530.

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Assessing competitive environmental catalytic reduction processes via NaBH4 is essential, as BH4− is both an energy carrier (as H2) and a reducing agent. A comprehensive catalytic study of the competition between the borohydride hydrolysis reaction (BHR, releasing H2) and 4-nitrophenol reduction via BH4− on M0- and M/M′ (alloy)-nanoparticle catalysts is reported. The results reveal an inverse correlation between the catalytic efficiency for BH4− hydrolysis and 4-nitrophenol reduction, indicating that catalysts performing well in one process exhibit lower activity in the other. Plausible cataly
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Urkude, Kalyani, Sanjay R. Thakare, and Sandeep Gawande. "An energy efficient photocatalytic reduction of 4-nitrophenol." Journal of Environmental Chemical Engineering 2, no. 1 (2014): 759–64. http://dx.doi.org/10.1016/j.jece.2013.11.019.

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Roy, Anindita, Biplab Debnath, Ramkrishna Sahoo, Teresa Aditya, and Tarasankar Pal. "Micelle confined mechanistic pathway for 4-nitrophenol reduction." Journal of Colloid and Interface Science 493 (May 2017): 288–94. http://dx.doi.org/10.1016/j.jcis.2017.01.045.

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Saha, Anushree, Ramsingh Kurrey, Santosh Kumar Verma, and Manas Kanti Deb. "Cationic Polystyrene Resin Bound Silver Nanocomposites Assisted Fourier Transform Infrared Spectroscopy for Enhanced Catalytic Reduction of 4-Nitrophenol in Aqueous Medium." Chemistry 4, no. 4 (2022): 1757–74. http://dx.doi.org/10.3390/chemistry4040114.

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The present work reported a novel strategy to construct supported cationic-polystyrene-resin-bound silver nanocomposites for enhanced catalytic reduction of 4-nitrophenol in an aqueous medium. The Fourier transform infrared spectroscopy (FTIR) was used as a model instrument for the study of catalytic reduction of 4-nitrophenol using cationic-polystyrene-resin-bound silver nanocomposite materials. The mechanism is based on the reduction of 4-nitrophenol to 4-aminophenol due to the electron transfer process that occurred between donor borohydride (BH4−) and acceptor 4-nitrophenol. The polystyren
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Dissertations / Theses on the topic "4-nitrophenol reduction"

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Kwon, Beatsam. "Catalytic reduction of organic pollutants using supported metal nanoparticles." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/23190/.

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Metal nanoparticle catalysts have in the last decades been extensively researched for their enhanced performance compared to their bulk counterpart. Properties of nanoparticles can be controlled by modifying their size and shape as well as adding a support and stabilizing agent. In this study, preformed colloidal gold nanoparticles supported on activated carbon were tested on the reduction of 4-nitrophenol by NaBH4, a model reaction for evaluating catalytic activity of metal nanoparticles and one with high significance in the remediation of industrial wastewaters. Methods of wastewater remedia
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Iben, Ayad Anas. "Développement de nanocatalyse en flux continu : scale-up de la valorisation de la biomasse." Electronic Thesis or Diss., Compiègne, 2021. http://www.theses.fr/2021COMP2655.

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Les objectifs de ce travail de thèse étaient le développement de nouvelles Pd NPs (nanocatalyseurs) par des méthodes vertes et leur application en flux continu à la valorisation de dérivés de la biomasse. Nous avons d'abord développé la synthèse de nanocatalyseurs constitués de NPs de Pd, qui sont stabilisés avec des ligands oxygénés, la famille de l'acide hydroxyl méthylène bisphosphonique (HMBP). Ces molécules nous ont permis de maintenir les solutions de NPs de Pd stables dans l'eau et sous conditions aérobies à 4 °C pendant une période de temps supérieure à 6 mois après leur préparation sa
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Yeh, Yu-Lun, and 葉佑倫. "Nitrogen CNTs-Pt nanoparticles for Catalytic Reduction of 4-Nitrophenol (4-NP)." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/tb5k65.

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碩士<br>國立臺灣科技大學<br>化學工程系<br>106<br>Heteroatom doping carbon materials can endow many properties. The improved features can be widely applied in different field. In this thesis, we follows our laboratory has previously developed an effective method to doping boron and nitrogen into the carbon nanotubes under atmospheric pressure, by controlling the temperature to achieve different levels of nitrogen content, and deposit the metal nanoparticles with high specific surface area and high activity on the tubes. The formation of nanocomposite as a catalyst to apply the reduction reaction of 4-nitrophe
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Lin, Ting Yi, and 林庭伊. "Synthesis of Fe3O4−Au nanocomposites and Application in 4-Nitrophenol Catalytic Reduction Reaction." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/72035744301585256462.

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碩士<br>東海大學<br>化學系<br>99<br>There is great interest in the development of nanoparticles that combine multiple function or properties not obtainable in individual materials. Fe3O4 nanoparticles were initially prepared by co-precipitation method, and with the average diameter around 7 nm. And subsequently immobilization of Au seeds onto the Fe3O4 nanoparticles. The nanoparticle loading needs prevent aggregation. The surface of the Fe3O4 particles was modified with organosilane molecules to generate an amine terminated surface. Therefore Au can be immobilization by N−Au bonding. The as-prepared Fe
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LAI, YI-HUSAN, and 賴宜璇. "Electroactive Polyamide Doped with Gold and Silver Applied to Catalytic Reduction of 4-Nitrophenol." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/5s9nfh.

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碩士<br>弘光科技大學<br>化妝品應用研究所<br>106<br>Nitro-aromatics are the most common substance of the wastewater produced by farmers and industry. Among them, 4-nitrophenol tends to remain in the soil and water sources due to environmental stability and is not easily eliminated, and its toxicity can injure the central nervous system of a human and lead to neuropathy. Therefore, detecting and eliminating 4-nitrophenol has become an important work. There are some studies have researched biodegradable or adsorption method to eliminate 4-nitrophenol. In this study, the electroactive polymer - electroactive poly
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Hsia, Nu-An, and 夏汝安. "Synthesis of Ag/Ni Alloy Nanoparticles Confined in Carboxylic Acid Functionalized Cubic SBA-1 Mesoporous Silica Nanoparticle as Efficient Catalysts for Reduction of 4-Nitrophenol and Degradation Reactions." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/ymkq4n.

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碩士<br>國立中央大學<br>化學學系<br>105<br>Silver nanoparticles (Ag NPs) with a particle size about 3 nm are successfully confined within the cage-type mesopores of cubic SBA-1 mesoporous silica nanoparticles (MSNs) functionalized with carboxylic acid (-COOH) groups (CS-1B-x). Under alkaline condition of pH 9, the –COOH groups deprotonate and become -COO- groups, and thus can effectively interact with the Ag+ ions and allow facile fabrication of Ag NPs. We also used Ag+ and Ni2+ to synthesis Ag/Ni alloy incorporated in CS-1B-10. The materials were characterized by powder X-ray diffraction (XRD), solid-s
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You, Jiun-Guo, and 游俊國. "(1)Platnium Nanoparticles as Oxidase and Peroxidase Mimic and Their Application in Heparin Sensing；(2) Role of Poly(diallyldimethylammonium chloride) in the Catalytic Reduction of 4-Nitrophenol by Metal Nanoparticle." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/u6j6ks.

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碩士<br>國立中山大學<br>化學系研究所<br>103<br>(a) Platnium Nanoparticles as Oxidase and Peroxidase Mimic and Their Application in Heparin Sensing In our first study, the Pt-NPs were synthesized using an one-pot method and were used to catalyze 2,2&apos;&apos;-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid (ABTS), 3,3&apos;&apos;,5,5&apos;&apos;-Tetramethylbenzidine (TMB), and dopamine under oxygen. The size of Pt- NPs are approximately 6±1 nm. By using TMB as substrate, the Km and Vmax were obtained 0.9 mM and 0.0042 μM/s, respectively. In order to investigative the process of electrons transfer a
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Zong-Han-Shen and 沈宗翰. "Development of Pt-alloy/CMK-8 Composite Catalyst and its Application for 4-NP(4-nitropheno, 4-NP) Reduction." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/2zyzyy.

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碩士<br>國立勤益科技大學<br>化工與材料工程系<br>106<br>KIT-6 was synthesized by hydrothermal method to synthesize KIT-6 with different pore sizes by changing the temperature. However, the specific surface area decreased with the increase of temperature. The ordered mesoporous carbon CMK-8 was replicated by KIT6-40°as a template. The surface area was 1155 m2/g, and the platinum precursor was prepared in the pore cavity of CMK-8 by impregnation. It is applied to the reduction of p-nitrophenol (4-nitrophenol, 4-NP) to p-aminophenol (4-aminophenol, 4-AP), and the effects of the addition of different materials (Ag,
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Book chapters on the topic "4-nitrophenol reduction"

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Noh, Jihyang, and Reinout Meijboom. "Reduction of 4-Nitrophenol as a Model Reaction for Nanocatalysis." In Application of Nanotechnology in Water Research. John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781118939314.ch13.

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Deka, Pangkita, Debajyoti Bhattacharjee, Pingal Sarmah, Ramesh C. Deka, and Pankaj Bharali. "Catalytic Reduction of Water Contaminant ‘4-Nitrophenol’ over Manganese Oxide Supported Ni Nanoparticles." In Trends in Asian Water Environmental Science and Technology. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-39259-2_3.

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Zhang, Peina, Tao Liu, Shengnan Wang, Mengjiao Zuo, and Hao Kong. "Three-Dimensional Self-supporting AuPd Aerogel for Enhanced Catalytic Reduction of 4-nitrophenol." In Advances in Energy Resources and Environmental Engineering. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-42563-9_42.

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Zhang, Peina, Tao Liu, Xinyuan He, Shengnan Wang, Hao Kong, and Mingfei Li. "Synthesis of magnetic Pt/Fe3O4 nanomaterials as excellent nanocatalyst for ultrafast recyclable reduction of 4-nitrophenol." In Advances in Civil Engineering and Environmental Engineering, Volume 2. CRC Press, 2023. http://dx.doi.org/10.1201/9781003383031-77.

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Raza, Waseem. "Catalytic reduction of 4-nitrophenol to 4-aminphenol in water using metal nanoparticles." In Sustainable Materials and Green Processing for Energy Conversion. Elsevier, 2022. http://dx.doi.org/10.1016/b978-0-12-822838-8.00009-0.

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R. Waghmode, Samadhan, Amol A. Dudhane, and Vaibhav P. Mhaindarkar. "Syzygium cumini Mediated Green Synthesis of Silver Nanoparticles for Reduction of 4-Nitrophenol and Assessment of its Antibacterial Activity." In Noble Metals and Intermetallic Compounds - Recent Advanced Studies and Applications [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98473.

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The biosynthesis of silver nanoparticles (AgNPs) has become more significant in the recent years owing to its applications in catalysis, imaging, drug delivery, nano-device fabrication and in medicine. We propose the synthesis of silver nanoparticles from the plant extract of Syzygium cumini and evaluation of its antibacterial and chemocatalytic potential. Synthesis of AgNPs carried out by using aqueous silver nitrate. The UV–Vis absorption spectrum of the synthesized AgNPs showed a broad absorption peak at 470 nm. TEM analysis shows the morphology of AgNPs as a hexagonal matrix with average p
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Conference papers on the topic "4-nitrophenol reduction"

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Yan, Dan, Juan Liu, and Yuanyuan Chen. "Papain-capped gold nanoflowers: dual functionality as peroxidase mimic and 4-nitrophenol reduction catalysts." In International Conference on Advanced Optics and Photonics Research in Engineering, edited by Koichi Shimizu and Yufei Ma. SPIE, 2024. http://dx.doi.org/10.1117/12.3045605.

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Radoń, Adrian, Rafał Babilas, and Dariusz Łukowiec. "Reduction of Methylene Blue, Methyl Orange and 4-Nitrophenol Using Ag Nanoparticles." In The 4th World Congress on Recent Advances in Nanotechnology. Avestia Publishing, 2019. http://dx.doi.org/10.11159/icnnfc19.130.

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Herbani, Yuliati, Affi N. Hidayah, Kirana Y. Putri, Nurfina Yudasari, Awalina, and Tjandra Chrismadha. "Photochemical synthesis of luminescent gold nanoclusters for catalytic reduction of 4-nitrophenol." In THE INTERNATIONAL CONFERENCE ON ADVANCED MATERIAL AND TECHNOLOGY (ICAMT) 2021. AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0106549.

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Lather, Reena, and P. Jeevanandam. "Synthesis of Cu2+ doped MgO nanoparticles using substituted brucite precursors for catalytic reduction of 4-nitrophenol." In 3RD INTERNATIONAL CONFERENCE ON MATHEMATICAL TECHNIQUES AND APPLICATIONS (e-ICMTA-2022). AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0158410.

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Subalakshmi, K., K. Ashok Kumar, and J. Senthilselvan. "Reduction of 4-Nitrophenol using electrocatalytic ZnS nanoparticles for counter electrode application in dye-sensitized solar cells." In DAE SOLID STATE PHYSICS SYMPOSIUM 2016. Author(s), 2017. http://dx.doi.org/10.1063/1.4980681.

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Chou, Chih Wei, and Hui-Hsuan Hsieh. "Synthesis of nature polymer supported Au, Ag and Au-Ag nanoparticles in aqueous medium and catalytic activity towards 4-nitrophenol reduction." In 2011 IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS). IEEE, 2011. http://dx.doi.org/10.1109/nems.2011.6017520.

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Abdillah, Purnomo, and Yoki Yulizar. "Green Synthesis of Porous Fe2O3/Au Nanocomposite with Chitosan Template using Gliricidia Sepium Leaf Aqueous Extract and its Catalytic Activity for the Reduction of 4 Nitrophenols." In Proceedings of The 6th Asia-Pacific Education And Science Conference, AECon 2020, 19-20 December 2020, Purwokerto, Indonesia. EAI, 2021. http://dx.doi.org/10.4108/eai.19-12-2020.2309172.

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