Green synthesis of CuO nanoparticles using &lt;i&gt;Cassia auriculata&lt;/i&gt; leaf extract and &lt;i&gt;in vitro&lt;/i&gt; evaluation of their biocompatibility with rheumatoid arthritis macrophages (RAW 264.7)

Shi, Limin; Tang, Peifu; Zhang, Wei; Zhao, Yanpeng; Zhang, Licheng; Zhang, Hao

doi:10.4314/tjpr.v16i1.25

Cited by 66 publications

(20 citation statements)

References 15 publications

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“…FTIR spectrophotometer operates in long wavelengths in order to identify different functional groups associated with NPs. The FTIR spectral reveals functional groups present in extract containing NPs [ 82 ]. At a specific resonant frequencies, the incident light from FTIR will cause an absorption when it come in contact with a vibration frequency of the group or bond corresponding to the same frequency.…”

Section: Effects Of Experimental Parameters On Cuonps Synthesismentioning

confidence: 99%

Green synthesis of copper oxide nanoparticles for biomedical application and environmental remediation

Akintelu

Folorunso

et al. 2020

Heliyon

291

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Recent development in nanoscience and nanotechnology has contributed to the wide applications of metal and metal oxides nanoparticles in several field of sciences, research institutes and industries. Among all metal oxides, copper oxide nanoparticles (CuONPs) has gained more attention due to its distinctive properties and applications. The high cost of reagents, equipment and environmental hazards associated with the physical and chemical methods of synthesizing CuONPs has been a major setback. In order to puffer solution to the aforementioned challenges by reducing environmental pollution and production of cheaper nanoparticles with good properties and efficiency, this review focus on collection of comprehensive information from recent developments in the synthesis, characterization and applications from previous scientific findings on biological method of synthesizing CuONPs due to the acclaimed advantages of been cheap, environmentally friendly, convenient and possibility of been scale up in into large scale production reported by numerous researchers. Our finding also support the synthesis of CuONPs from plant sources due to relative abundance of plants for the production of reducing and stabilizing agents required for CuONPs synthesis, potential efficiency of plant biomolecules in enhancing the toxicity effect of CuONPs against microbes, prevention of environmental pollution due of nontoxic chemicals and degradation effectiveness of CuONPs synthesized from plant sources. Furthermore, this study provide useful information on the rapid synthesis of CuONPs with desired properties from plant extracts.

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Section: Effects Of Experimental Parameters On Cuonps Synthesismentioning

confidence: 99%

Green synthesis of copper oxide nanoparticles for biomedical application and environmental remediation

Akintelu

Folorunso

et al. 2020

Heliyon

291

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“…The diffraction peaks appeared at 2 θ values of 21.7°, 28.7°, 33.0°, 35.5°, 43.2°, 49.2°, 54.0°, 55.3°, 57.4°, 63.8°, 71.7°, and 75.4° can be correlated to the planes (211), (222), (400), (411), (431), (440), (541), (622), (631), (444), (622), (811), and (662) of the cubic Gd 2 O 3 with space group of Ia3 (JCPDS # 12-0797 and 88-2165) [ 39 , 40 , 41 , 42 , 43 ]. While diffraction peaks appeared at 2 θ value 33.9°, 62.3°, and 65.6° can be assigned to (111)), (113), and (022) planes of cubic CuO, respectively [ 44 , 45 , 46 , 47 ]. These XRD peaks can be assigned to the standard Cu doped Gd 2 O 3 cubic crystal phase.…”

Section: Resultsmentioning

confidence: 99%

Fabrication of Novel and Potential Selective 4-Cyanophenol Chemical Sensor Probe Based on Cu-Doped Gd2O3 Nanofiber Materials Modified PEDOT:PSS Polymer Mixtures with Au/µ-Chip for Effective Monitoring of Environmental Contaminants from Various Water Samples

Rahman

Alfaifi

2021

Polymers

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Herein, a novel copper-doped gadolinium oxide (Cu-doped Gd2O3; CGO) nanofiber was synthesized by a simple solution method in the basic phase and successfully characterized. We have used Fourier Transform Infrared Spectroscopy (FTIR), X-ray Diffraction (XRD), Field Emission Scanning Electron Microscope (FESEM) and Energy-Dispersive Spectroscopy (EDS) techniques for characterization of the CGO nanofiber. The CGO nanofiber was used later to modify Au-coated μ-Chips with poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) polymer mixtures (coating binder) to selectively detect 4-cyanophenol (4-CP) in an aqueous medium. Notable sensing performance was achieved with excellent sensitivity (2.4214 µAµM−1 cm−2), fast response time (~12 s), wide linear dynamic range (LDR = 1.0 nM–1.0 mM: R2 = 0.9992), ultra-low detection limit (LoD; 1.3 ± 0.1 pM at S/N = 3), limit of quantification (LoQ; 4.33 pM), and excellent reproducibility and repeatability for CGO/Au/μ-Chip sensor. This CGO modified Au/μ-chip was further applied with appropriate quantification and determination results in real environmental sample analyses.

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“…Normally, conventional methods have considerably less potential of degradation. Copper oxide nanoparticles have efficient power of dyes removal [12][13][14][15][16][17]. Most probably, copper oxide are low cost and novel adsorbent of azodyes.…”

Section: Research Article Backgroundmentioning

confidence: 99%

“…Congo red dye is water soluble, its solubility is enhanced in organic solvents. Its molecular formula is C 32 H 22 N 6 Na 2 O 6 S 2 with molar mass of 696.665 g/mol [13][14]. The structure is given below Figure 2.…”

Section: Research Article Backgroundmentioning

confidence: 99%

Kinetic Isotherm Studies of Azo Dyes by Metallic Oxide Nanoparticles Adsorbent

Batool¹

2018

AOICS

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We reported the synthesis of Cu 4 O 3 nanoparticles fabricated by Camellia Sinensis (green tea) leaves extract as reducing and stabilizing agent and studied the azo dyes removal efficiency. The formation of copper oxide nanoparticles was confirmed after change in solution of salt and plant extract from green to pale yellow. Subsequently, the above said nanoparticles were characterized by SEM, XRD, FTIR, and UV spectrophotometer for size and morphology. The average particle size of copper oxide nanoparticle was found to be 17.26nm by XRD shrerrer equation, average grain diameter by SEM was calculated 8.5×10-2mm with spherical and oval shaped. UV spectroscopy range was between 200-400nm. These copper oxide nanoparticles were applied as azo dyes (Congo red and malachite green) degradation. Effect of reaction parameters were studied for optimum conditions. Kinetic models like Langmuir, Freundlich and elovich models were applied. Finally, concluded that these particles are effective degradation potential of azo dyes at about 70-75% from aqueous solution.

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Green synthesis of CuO nanoparticles using <i>Cassia auriculata</i> leaf extract and <i>in vitro</i> evaluation of their biocompatibility with rheumatoid arthritis macrophages (RAW 264.7)

Abstract: Purpose: To undertake green synthesis of copper oxide nanoparticles (CuO NPs)

Cited by 66 publications

References 15 publications

Green synthesis of copper oxide nanoparticles for biomedical application and environmental remediation

Green synthesis of copper oxide nanoparticles for biomedical application and environmental remediation

Fabrication of Novel and Potential Selective 4-Cyanophenol Chemical Sensor Probe Based on Cu-Doped Gd2O3 Nanofiber Materials Modified PEDOT:PSS Polymer Mixtures with Au/µ-Chip for Effective Monitoring of Environmental Contaminants from Various Water Samples

Kinetic Isotherm Studies of Azo Dyes by Metallic Oxide Nanoparticles Adsorbent

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