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Wu Q, Yin X, Cheng Y, Wang C, Ma J, Zhang Q, Liu H, Youssef A, Wang J, Zhang D. Layer-By-Layer Designed Spark-Type AuCuPt Alloy with Robust Broadband Absorption to Enhance Sensitivity in Flexible Detection of Estriol by a Lateral Flow Immunoassay. Anal Chem 2024; 96:10714-10723. [PMID: 38913030 DOI: 10.1021/acs.analchem.4c01634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/25/2024]
Abstract
Excessive intake of estrogen poses significant health risks to the human body; hence, there is a necessity to develop rapid detection methods to monitor its levels of addition. Gold nanoparticles (AuNPs), commonly utilized as colorimetric signal labels, find extensive application in lateral flow immunoassay (LFIA). However, the detection sensitivity of traditional AuNPs-LFIA is typically constrained by low molar extinction coefficients and reliance on a single signal. Herein, in this work, unique spark-type AuCuPt nanoflowers modified with tannic acid (AuCuPt@TA) were precisely designed by reasonable layer-by-layer element composition and green modification. The obtained AuCuPt displays robust broadband absorption spanning the visible to near-infrared spectrum, showcasing a notable molar extinction coefficient of 2.38 × 1012 M-1 cm-1 and a photothermal conversion efficiency of 48.5%. Based on this, selecting estriol (E3) as a model analyte, colorimetric/photothermal dual-signal LFIA (CLFIA and PLFIA) was developed. Limits of detection (LOD) of the CLFIA and PLFIA were achieved at 0.033 ng mL-1 and 0.021 ng mL-1, respectively, which represent a 9.3- and 14.6-fold improvement compared to the visual LOD of AuNPs-LFIA. Moreover, the application feasibility of the immunoassay was further evaluated in the milk and pork with satisfactory recoveries ranging from 86.21% to 117.91%. Thus, this work has enhanced the performance of LFIA for E3 detection and exhibited enormous potential for other sensing platform construction.
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Affiliation(s)
- Qiaoying Wu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xuechi Yin
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yuanyuan Cheng
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Chaoying Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Jiaqi Ma
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Qingzhe Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Huihui Liu
- Shandong Key Laboratory of Marine Ecological Restoration, Shandong Marine Resource and Environment Research Institute, No. 216 Changjiang Road, Economic and Technological Development Zone, Shandong, Yantai 264006, China
| | - Ahmed Youssef
- Environmental Engineering Program, University of Science and Technology, Zewail City, Giza 12578, Egypt
- Chemistry Department, Faculty of Science, Cairo University, Giza 12613, Egypt
| | - Jianlong Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Daohong Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
- College of Food Engineering, Ludong University, Shandong, Yantai 264025, China
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2
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Olyaei A, Ghaleghovandi N, Moghadami F, Sadeghpour M, Abediha S. Design, synthesis, antimicrobial, antibiofilm evaluation and Z/ E-isomerization of novel 6-((arylamino)methylene)benzo[ a] phenazin-5(6 H)-ones induced by organic solvent. RSC Adv 2023; 13:29393-29400. [PMID: 37818272 PMCID: PMC10560977 DOI: 10.1039/d3ra05788g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 10/03/2023] [Indexed: 10/12/2023] Open
Abstract
New 6-((arylamino)methylene)benzo[a]phenazin-5(6H)-one derivatives were synthesized, and good-to-high yields were achieved through one-pot, four-component condensation of 2-hydroxy-1,4-naphthoquinone, 1,2-phenylenediamine, aromatic amines and triethyl orthoformate using formic acid as catalyst under solvent-free conditions at 90 °C. The structure of these new compounds was confirmed using FT-IR and 1H-NMR as well as MS spectroscopy. Investigation of spectroscopy data indicated that the synthesized compounds exist in the keto-enamine tautomeric form and undergo Z/E-isomerization around the C[double bond, length as m-dash]C bond in DMSO-d6 at room temperature. Furthermore, intramolecular hydrogen bond has been observed in the synthesized E- and Z-ketoenamines. The noticeable features of the present procedure availability of starting materials, very simple operation, easy work-up, short reaction times, good to high yields and no need for column chromatography separation of benzophenazine enamines. The newly synthesized compounds were evaluated in vitro for their antibacterial, antifungal and antibiofilm activities against some of the tested microorganisms. The results demonstrated that compound 6b showed the maximum antibacterial activity, 6d exhibited the maximum antifungal activity and 6b had the most efficiency to inhibit biofilm formation of Bacillus subtilis (80%) at 200 μg mL-1 concentration.
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Affiliation(s)
- Abolfazl Olyaei
- Department of Chemistry, Payame Noor University (PNU) PO BOX 19395-4697 Tehran Iran
| | | | | | - Mahdieh Sadeghpour
- Department of Chemistry, Islamic Azad University Qazvin Branch Qazvin Iran
| | - Shohreh Abediha
- Department of Chemistry, Payame Noor University (PNU) PO BOX 19395-4697 Tehran Iran
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3
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Chen Y, Amirav L. Shape tunability of copper nanocrystals deposited on nanorods. Chem Sci 2023; 14:7512-7523. [PMID: 37449067 PMCID: PMC10337768 DOI: 10.1039/d3sc00677h] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 05/28/2023] [Indexed: 07/18/2023] Open
Abstract
The significant role of metal particle geometry in dictating catalytic activity, selectivity, and stability is well established in heterocatalysis. However, this topic is rarely explored in semiconductor-metal hybrid photocatalytic systems, primarily due to the lack of synthetic control over this feature. Herein, we present a new synthetic route for the deposition of metallic Cu nanoparticles with spherical, elliptic, or cubic geometrical shapes, which are selectively grown on one side of the well-established CdSe@CdS nanorod photocatalytic system. An additional multipod morphology in which several nanorod branches are combined on a single Cu domain is presented as well. Cu is an earth-abundant low-cost catalyst known to promote a diverse gallery of organic transformations and is an excellent thermal and electrical conductor with interesting plasmonic properties. Its deposition on cadmium chalcogenide nanostructures is enabled here via mitigation of the reaction kinetics such that the cation exchange reaction is prevented. The structural diversity of these sophisticated nanoscale hybrid systems lays the foundations for shape-activity correlation studies and employment in various applications.
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Affiliation(s)
- Yuexing Chen
- Schulich Faculty of Chemistry, Technion - Israel Institute of Technology Haifa 32000 Israel
| | - Lilac Amirav
- Schulich Faculty of Chemistry, Technion - Israel Institute of Technology Haifa 32000 Israel
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4
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Bazrafshan M, Vakili M, Tayyari SF, Kamounah FS, Hansen PE, Shiri A. Synthesis, molecular structure, conformational, and intramolecular hydrogen bond strength of ethyl 3-amino-2-butenoate and its N-Me, N-Ph, and N-Bn analogs; an experimental and theoretical study. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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5
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Electrochemical Synthesis of Nanocrystalline CuAg Coatings on Stainless Steel from Cyanide-Free Electrolyte. Processes (Basel) 2022. [DOI: 10.3390/pr10102134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Herein we demonstrate a novel plating bath, free from cyanide, to plate a highly adherent nanocrystalline copper-silver (ncCuAg) coating on a stainless-steel substrate and its application as an antimicrobial coating. The microstructures, such as the grain size, texture, microstrain, and the crystalline preferential orientation of CuAg deposits, are systematically investigated by X-ray diffraction analysis. The range of 13.4–16.6 nm was discovered to be the crystallite size determined from the X-ray peak broadening (Scherrer’s formula). Both HRTEM, FESEM-EDS, XPS, and mapping analysis revealed that the ncCuAg coatings are composed of both Ag and Cu atoms. Electrochemical processes occurring during CuAg co-deposition were investigated by using linear sweep voltammetry (LSV), cyclic voltammetry (CV), and anodic linear stripping voltammetry (ALSV). Additionally, the coatings made of ncCuAg produced by these baths work well as antibacterial agents against gram-positive (Staphylococcus) and gram-negative bacteria (Escherichia coli).
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6
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Pourjafari M, Ghane M, Kaboosi H, Sadeghi B, Rezaei A. Antibacterial Properties of Ag-Cu Alloy Nanoparticles Against Multidrug-Resistant Pseudomonas aeruginosa Through Inhibition of Quorum Sensing Pathway and Virulence-Related Genes. J Biomed Nanotechnol 2022; 18:1196-1204. [PMID: 35854448 DOI: 10.1166/jbn.2022.3331] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Objective: To evaluate the application of Ag-Cu NPs as quorum sensing (QS) inhibitors and attenuate virulence expression to overcome the global crisis of multidrug-resistant (MDR) P. aeruginosa. Methods: Ag-Cu NPs were synthesized by co-reduction of silver-nitrate and copper-nitrate (Ag:Cu = 1:1 0.75 μM). In this cross-sectional study, a total of eighty clinical strains of P. aeruginosa were collected from patients with burns. The antibacterial and resistance pattern of the clinical isolated was determined using the microdilution and Kirby Bauer disk methods. The effect of sub-MIC of Ag-Cu NPs on the expression of lasI, exoS and toxA in five clinical isolates of imipenem-resistant P. aeruginosa was performed using qRT-PCR. Results: The characterization methods confirm the formation of the Ag-Cu alloy NPs with agglomerated spherical morphology and particle sizes of about 30-40 nm. We observed that the MIC and MBC of Ag-Cu alloy NPs against MDR P. aeruginosa was found to be 2.5 and 5 μg ml-1, respectively. The effects of a sub-inhibitory concentration of Ag-Cu NPs on MDR P. aeruginosa QS and virulence-related genes showed that the expression level of QS regulatory and virulence genes significantly decreased in both MDR P. aeruginosa and reference strain under Ag-Cu sub-MIC treatment. Conclusion: Ag-Cu NPs could be potentially used as a promising QS inhibitor and anti-virulence compound against P. aeruginosa.
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Affiliation(s)
- Mozhgan Pourjafari
- Department of Microbiology, Ayatollah Amoli Branch, Islamic Azad University, Amol, 009811, Iran
| | - Masood Ghane
- Department of Microbiology, Tonekabon Branch, Islamic Azad University, Tonekabon, 009811, Iran
| | - Hami Kaboosi
- Department of Microbiology, Ayatollah Amoli Branch, Islamic Azad University, Amol, 009811, Iran
| | - Babak Sadeghi
- Department of Chemistry, Tonekabon Branch, Islamic Azad University, Tonekabon, 009811, Iran
| | - Abolhasan Rezaei
- Department of Genetics, Tonekabon Branch, Islamic Azad University, Tonekabon, 009811, Iran
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7
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Saeed A, Akhtar M, Zulfiqar S, Hanif F, Alsafari IA, Agboola PO, Haider S, Warsi MF, Shakir I. Thiamine-functionalized silver–copper bimetallic nanoparticles-based electrochemical sensor for sensitive detection of anti-inflammatory drug 4-aminoantipyrine. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-021-02042-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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8
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Mureed S, Naz S, Haider A, Raza A, Ul-Hamid A, Haider J, Ikram M, Ghaffar R, Irshad M, Ghaffar A, Saeed A. Development of Multi-concentration Cu:Ag Bimetallic Nanoparticles as a Promising Bactericidal for Antibiotic-Resistant Bacteria as Evaluated with Molecular Docking Study. NANOSCALE RESEARCH LETTERS 2021; 16:91. [PMID: 34021844 PMCID: PMC8141091 DOI: 10.1186/s11671-021-03547-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Accepted: 05/13/2021] [Indexed: 06/12/2023]
Abstract
The present study is concerned with evaluating the influence of various concentrations of Ag within Cu:Ag bimetallic nanoparticles developed for use as a promising anti-bacterial agent against antibiotic-resistant bacteria. Here, Cu:Ag bimetallic nanoparticles with various concentration ratios (2.5, 5.0, 7.5, and 10 wt%) of Ag in fixed amount of Cu labeled as 1:0.025, 1:0.050, 1:0.075, and 1:0.1 were synthesized using co-precipitation method with ammonium hydroxide and deionized water as solvent, polyvinyl pyrrolidone as a capping agent, and sodium borohydride and ascorbic acid as reducing agents. These formulated products were characterized through a variety of techniques. XRD confirmed phase purity and detected the presence of distinct fcc structures belonging to Cu and Ag phases. FTIR spectroscopy confirmed the presence of vibrational modes corresponding to various functional groups and recorded characteristic peak emanating from the bimetallic. UV-visible spectroscopy revealed reduction in band gap with increasing Ag content. SEM and HR-TEM micrographs revealed spherical morphology of Ag-doped Cu bimetallic with small and large scale agglomerations. The samples exhibited varying dimensions and interlayer spacing. Bactericidal action of synthesized Cu:Ag bimetallic NPs depicted statistically significant (P < 0.05) inhibition zones recorded for various concentrations of Ag dopant against Staphylococcus aureus (S. aureus), Escherichia coli (E. coli), and Acinetobacter baumannii (A. baumannii) ranging from (0.85-2.8 mm), (0.55-1.95 mm) and (0.65-1.85 mm), respectively. Broadly, Cu:Ag bimetallic NPs were found to be more potent against gram-positive compared with gram-negative. Molecular docking study of Ag-Cu bimetallic NPs was performed against β-lactamase which is a key enzyme of cell wall biosynthetic pathway from both S. aureus (Binding score: - 4.981 kcal/mol) and A. bauminnii (Binding score: - 4.013 kcal/mol). Similarly, binding interaction analysis against FabI belonging to fatty acid biosynthetic pathway from A. bauminnii (Binding score: - 3.385 kcal/mol) and S. aureus (Binding score: - 3.012 kcal/mol) along with FabH from E. coli (Binding score: - 4.372 kcal/mol) was undertaken. These theoretical computations indicate Cu-Ag bimetallic NPs as possible inhibitor of selected enzymes. It is suggested that exploring in vitro inhibition potential of these materials may open new avenues for antibiotic discovery.
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Affiliation(s)
- Shumaila Mureed
- Solar Cell Applications Research Lab, Department of Physics, Government College University Lahore, Lahore, 54000, Punjab, Pakistan
- Department of Physics, Government College University Lahore, Lahore, 54000, Punjab, Pakistan
| | - Sadia Naz
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - Ali Haider
- Department of Clinical Medicine and Surgery, University of Veterinary and Animal Sciences, Lahore, 54000, Punjab, Pakistan
| | - Ali Raza
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University, 14 Ali Road, Lahore, Pakistan
| | - Anwar Ul-Hamid
- Core Research Facilities, King Fahd University of Petroleum & Minerals, Dhahran, 31261, Saudi Arabia.
| | - Junaid Haider
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - Muhammad Ikram
- Solar Cell Applications Research Lab, Department of Physics, Government College University Lahore, Lahore, 54000, Punjab, Pakistan.
| | - Rabia Ghaffar
- Division of Science and Technology, Department of Botany, University of Education, Lahore, 54000, Pakistan
| | - Muneeb Irshad
- Department of Physics, University of Engineering and Technology, Lahore, 54890, Pakistan
| | - Abdul Ghaffar
- Department of Physics, Government College University Lahore, Lahore, 54000, Punjab, Pakistan
| | - Aamer Saeed
- Department of Chemistry, Quaid-I-Azam University, Islamabad, 45320, Pakistan
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9
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Xiong M, Liang X, Zhou Y, Pan Y. Synthesis of Polysubstituted Pyrroles through Electro-Oxidative Annulation of 1,3-Dicarbonyl Compounds and Primary Amines. J Org Chem 2021; 86:4986-4993. [PMID: 33726491 DOI: 10.1021/acs.joc.0c02911] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Reported herein is a synthetic method of polysubstituted pyrroles from easily available materials, 1,3-dicarbonyl compounds and primary amines, via electro-oxidative intermolecular annulation. Under similar conditions, enamines are also converted smoothly into desired products, indicating that in situ formed enamines are crucial intermediates for the first transformation. Neither transition-metal salts nor harsh conditions are required to facilitate the dehydrocyclization process.
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Affiliation(s)
- Mingteng Xiong
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Xiao Liang
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Yifeng Zhou
- College of Life Sciences, China Jiliang University, Hangzhou 310027, China
| | - Yuanjiang Pan
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
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10
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Lukato S, Wendt OF, Wallenberg R, Kasozi GN, Naziriwo B, Persson A, Folkers LC, Tebandeke E. Selective oxidation of benzyl alcohols with molecular oxygen as the oxidant using Ag-Cu catalysts supported on polyoxometalates. RESULTS IN CHEMISTRY 2021. [DOI: 10.1016/j.rechem.2021.100150] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
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11
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Filkale AE, Pathak C. Dinuclear cobalt complexes supported by biphenol and binaphthol-derived bis(salicylaldimine) ligands: synthesis, characterization and catalytic application in β-enaminone synthesis from 1,3-dicarbonyl compounds and aliphatic amines. NEW J CHEM 2020. [DOI: 10.1039/d0nj00052c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Biaryl scaffolding ligands form dicobalt clusters, which serve as efficient catalysts in enaminone synthesis under ambient conditions.
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Affiliation(s)
| | - Chandni Pathak
- Department of Applied Chemistry
- Jabalpur Engineering College
- Jabalpur
- India
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12
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Template free synthesis of calcium-tin (CaSn3) bimetallic micro cubes: Characterization, catalytic activity, adsorption and additive properties. Chem Phys Lett 2020. [DOI: 10.1016/j.cplett.2019.136917] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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13
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Thiol-based chemistry as versatile routes for the effective functionalization of cellulose nanofibers. Carbohydr Polym 2019; 226:115259. [DOI: 10.1016/j.carbpol.2019.115259] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 08/25/2019] [Accepted: 08/26/2019] [Indexed: 11/17/2022]
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14
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Bankar SR. Recyclable Heterogeneous Fe-Mo Nanocatalyst: Application in Solvent Free Synthesis of β-enaminones. CURRENT ORGANOCATALYSIS 2019. [DOI: 10.2174/2213337206666190415125053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
<P>Background: In recent years, green organic transformation has become a challenge for a
chemist in areas like social sector, health, and environment. Literature survey revealed that a nano
magnetite supported heterogeneous catalysis is an emergent field with huge application in chemical
synthesis.
</P><P>
Objective: In the present article, the aim was to develop a simple and facile method to carry organic
reaction under benign media. So, the focus was on the synthesis of nano-magnetite supported molybdenum
catalyst and its application in β-enaminones synthesis.
</P><P>
Methods: Magnetically recyclable heterogeneous ferrite-molybdenum catalyst was prepared by simple
impregnation method. The synthesized nanocatalyst Fe-Mo was well analysed by spectroscopic
techniques like X-ray diffraction analysis, X-ray photoelectron spectroscopy, transmission electron
microscopy, field-emission gun scanning electron microscopy and vibrating-sample magnetometry.
The functionalized nanocatalyst Fe-Mo was employed in the synthesis of β-enaminones under solvent
free condition.
</P><P>
Results: The competency of synthesized nanocatalyst-Fe-Mo was observed to be good for the synthesis
of β-enaminones derivatives under microwave irradiation and gave excellent yield (86-96%) of
the product. The catalyst was recycled for more than five consecutive runs without significant loss in
its activity.
</P><P>
Conclusion: In the present research article, synthesis of highly active, magnetically recyclable Fe-
Mo nanocatalyst was obtained from easily available precursor. The MNP was stable under investigated
conditions and effective in β-enaminones synthesis. The simple eco-friendly method, low catalyst
loading, short transformation time, and reusability of the catalyst thoroughly follow the sustainable
protocol.</P>
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Affiliation(s)
- Swapnil R. Bankar
- Rayat Shikshan Sanstha's, P. G. and Research Centre, Department of Chemistry, S.S.G.M. College, Kopargaon, Dist. - Ahmednagar (MS) 423601, India
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15
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Reichenberger S, Marzun G, Muhler M, Barcikowski S. Perspective of Surfactant‐Free Colloidal Nanoparticles in Heterogeneous Catalysis. ChemCatChem 2019. [DOI: 10.1002/cctc.201900666] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Sven Reichenberger
- University of Duisburg-EssenTechnical Chemistry I Universitätsstrasse 7 Essen 45141 Germany
| | - Galina Marzun
- University of Duisburg-EssenTechnical Chemistry I Universitätsstrasse 7 Essen 45141 Germany
| | - Martin Muhler
- Ruhr-University BochumDepartment for Technical Chemistry Universitätsstraße 150 Bochum 44801 Germany
| | - Stephan Barcikowski
- University of Duisburg-EssenTechnical Chemistry I Universitätsstrasse 7 Essen 45141 Germany
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16
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Introduction of Ag/CuO/MCM‐48 as an efficient catalyst for the one‐pot synthesis of novel pyran‐pyrrole hybrids. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.5083] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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17
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Peng Y, Qin L, Liu J, Kang SZ, Li G, Li X. Facile synthesis and bi-functionality of mesoporous TiO2 implanted with AgCu alloy. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.03.057] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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18
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Rout L, Kumar A, Chand PK, Achary LSK, Dash P. Microwave‐Assisted Efficient One‐Pot Multi‐Component Synthesis of Octahydroquinazolinone Derivatives Catalyzed by Cu@Ag Core‐Shell Nanoparticle. ChemistrySelect 2019. [DOI: 10.1002/slct.201900619] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Lipeeka Rout
- Department of ChemistryNational Institute of Technology, Rourkela, Odisha India, 769008
- Department of Polymer Science and EngineeringPusan National University, Busan 46241 Republic of Korea
| | - Aniket Kumar
- Department of ChemistryNational Institute of Technology, Rourkela, Odisha India, 769008
- School of Materials Science and EngineeringChonnam National University, Gwang-Ju Republic of Korea
| | - Pradyumna K Chand
- Department of ChemistryNational Institute of Technology, Rourkela, Odisha India, 769008
| | - L Satish K Achary
- Department of ChemistryNational Institute of Technology, Rourkela, Odisha India, 769008
| | - Priyabrat Dash
- Department of ChemistryNational Institute of Technology, Rourkela, Odisha India, 769008
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19
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Prakasham AP, Gangwar MK, Ghosh P. β-Enaminone Synthesis from 1,3-Dicarbonyl Compounds and Aliphatic and Aromatic Amines Catalyzed by Iron Complexes of Fused Bicyclic Imidazo[1,5-a]pyridine Derived N-Heterocyclic Carbenes. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201800906] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- A. P. Prakasham
- Department of Chemistry; Indian Institute of Technology Bombay; Powai 400 076 Mumbai India
| | - Manoj Kumar Gangwar
- Department of Chemistry; Indian Institute of Technology Bombay; Powai 400 076 Mumbai India
| | - Prasenjit Ghosh
- Department of Chemistry; Indian Institute of Technology Bombay; Powai 400 076 Mumbai India
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20
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Tran DT, Hoa VH, Tuan LH, Kim NH, Lee JH. Cu-Au nanocrystals functionalized carbon nanotube arrays vertically grown on carbon spheres for highly sensitive detecting cancer biomarker. Biosens Bioelectron 2018; 119:134-140. [DOI: 10.1016/j.bios.2018.08.022] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 07/23/2018] [Accepted: 08/10/2018] [Indexed: 12/22/2022]
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21
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Eidi E, Kassaee MZ, Cummings PT. β-Enaminones over recyclable nano-CoFe2O4: a highly efficient solvent-free green protocol. RESEARCH ON CHEMICAL INTERMEDIATES 2018. [DOI: 10.1007/s11164-018-3454-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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22
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Alavi M, Karimi N. Antiplanktonic, antibiofilm, antiswarming motility and antiquorum sensing activities of green synthesized Ag–TiO2, TiO2–Ag, Ag–Cu and Cu–Ag nanocomposites against multi-drug-resistant bacteria. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2018; 46:S399-S413. [DOI: 10.1080/21691401.2018.1496923] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Mehran Alavi
- Department of Biology, Faculty of Science, Razi University, Kermanshah, Iran
- Department of Nanobiotechnology, Razi University, Kermanshah, Iran
| | - Naser Karimi
- Department of Biology, Faculty of Science, Razi University, Kermanshah, Iran
- Department of Nanobiotechnology, Razi University, Kermanshah, Iran
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Zada B, Yan L, Fu Y. Effective conversion of cellobiose and glucose to sorbitol using non-noble bimetallic NiCo/HZSM-5 catalyst. Sci China Chem 2018. [DOI: 10.1007/s11426-018-9321-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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24
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Denissen W, De Baere I, Van Paepegem W, Leibler L, Winne J, Du Prez FE. Vinylogous Urea Vitrimers and Their Application in Fiber Reinforced Composites. Macromolecules 2018. [DOI: 10.1021/acs.macromol.7b02407] [Citation(s) in RCA: 125] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Wim Denissen
- Department of Organic and Macromolecular Chemistry, Polymer Chemistry Research Group and Laboratory for Organic Synthesis, Ghent University, Krijgslaan 281 S4-bis, B-9000 Ghent, Belgium
| | - Ives De Baere
- Department of Materials Science & Engineering, Ghent University, Technologiepark-Zwijnaarde 903, B-9052 Zwijnaarde, Belgium
| | - Wim Van Paepegem
- Department of Materials Science & Engineering, Ghent University, Technologiepark-Zwijnaarde 903, B-9052 Zwijnaarde, Belgium
| | - Ludwik Leibler
- ESPCI Paris, PSL Research University, 10 rue Vauquelin, 75005 Paris, France
| | - Johan Winne
- Department of Organic and Macromolecular Chemistry, Polymer Chemistry Research Group and Laboratory for Organic Synthesis, Ghent University, Krijgslaan 281 S4-bis, B-9000 Ghent, Belgium
| | - Filip E. Du Prez
- Department of Organic and Macromolecular Chemistry, Polymer Chemistry Research Group and Laboratory for Organic Synthesis, Ghent University, Krijgslaan 281 S4-bis, B-9000 Ghent, Belgium
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25
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Pandey P, Kunwar S, Sui M, Bastola S, Lee J. Investigation on the morphological and optical evolution of bimetallic Pd-Ag nanoparticles on sapphire (0001) by the systematic control of composition, annealing temperature and time. PLoS One 2017; 12:e0189823. [PMID: 29253017 PMCID: PMC5734721 DOI: 10.1371/journal.pone.0189823] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 12/02/2017] [Indexed: 12/03/2022] Open
Abstract
Multi-metallic alloy nanoparticles (NPs) can offer additional opportunities for modifying the electronic, optical and catalytic properties by the control of composition, configuration and size of individual nanostructures that are consisted of more than single element. In this paper, the fabrication of bimetallic Pd-Ag NPs is systematically demonstrated via the solid state dewetting of bilayer thin films on c-plane sapphire by governing the temperature, time as well as composition. The composition of Pd-Ag bilayer remarkably affects the morphology of alloy nanostructures, in which the higher Ag composition, i.e. Pd0.25Ag0.75, leads to the enhanced dewetting of bilayers whereas the higher Pd composition (Pd0.75Ag0.25) hinders the dewetting. Depending on the annealing temperature, Pd-Ag alloy nanostructures evolve with a series of configurations, i.e. nucleation of voids, porous network, elongated nanoclusters and round alloy NPs. In addition, with the annealing time set, the gradual configuration transformation from the elongated to round alloy NPs as well as size reduction is demonstrated due to the enhanced diffusion and sublimation of Ag atoms. The evolution of various morphology of Pd-Ag nanostructures is described based on the surface diffusion and inter-diffusion of Pd and Ag adatoms along with the Ag sublimation, Rayleigh instability and energy minimization mechanism. The reflectance spectra of bimetallic Pd-Ag nanostructures exhibit various quadrupolar and dipolar resonance peaks, peak shifts and absorption dips owing to the surface plasmon resonance of nanostructures depending on the surface morphology. The intensity of reflectance spectra is gradually decreased along with the surface coverage and NP size evolution. The absorption dips are red-shifted towards the longer wavelength for the larger alloy NPs and vice-versa.
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Affiliation(s)
- Puran Pandey
- College of Electronics and Information, Kwangwoon University, Nowon-gu, Seoul, South Korea
| | - Sundar Kunwar
- College of Electronics and Information, Kwangwoon University, Nowon-gu, Seoul, South Korea
| | - Mao Sui
- College of Electronics and Information, Kwangwoon University, Nowon-gu, Seoul, South Korea
| | - Sushil Bastola
- College of Electronics and Information, Kwangwoon University, Nowon-gu, Seoul, South Korea
| | - Jihoon Lee
- College of Electronics and Information, Kwangwoon University, Nowon-gu, Seoul, South Korea.,Institute of Nanoscale Science and Engineering, University of Arkansas, Fayetteville, Arkansas, United States of America
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Shariati S, Pakiari AH. Role of alkali metal additives on adsorption of CO on small copper clusters [CunAMm (m+n⩽7, m<n)]: A DFT study. COMPUT THEOR CHEM 2017. [DOI: 10.1016/j.comptc.2016.11.015] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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28
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Deo Malviya K, Srivastava C, Chattopadhyay K. Phase formation and stability of Ag–60 at%Cu alloy nanoparticles synthesized by chemical routes in aqueous media. Phys Chem Chem Phys 2017; 19:28006-28013. [DOI: 10.1039/c7cp05738e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The present work reports the nature of the evolution of an array of nanoparticles during the synthesis of alloy nanoparticles of Ag–60 at%Cu by the co-reduction of metal salt precursors using NaBH4 in an aqueous medium.
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Affiliation(s)
- Kirtiman Deo Malviya
- Department of Materials Engineering
- Indian Institute of Science
- Bangalore
- India
- Department of Materials Science and Engineering
| | - Chandan Srivastava
- Department of Materials Engineering
- Indian Institute of Science
- Bangalore
- India
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