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Zhang H, Du M, Hu H, Zhang H, Song N. A Review of Ultrasonic Treatment in Mineral Flotation: Mechanism and Recent Development. Molecules 2024; 29:1984. [PMID: 38731475 PMCID: PMC11085708 DOI: 10.3390/molecules29091984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 04/23/2024] [Accepted: 04/23/2024] [Indexed: 05/13/2024] Open
Abstract
Ultrasonic treatment has been widely used in the mineral flotation process due to its advantages in terms of operational simplicity, no secondary pollutant formation, and safety. Currently, many studies have reported the effect of ultrasonic treatment on mineral flotation and shown excellent flotation performance. In this review, the ultrasonic mechanisms are classified into three types: the transient cavitation effect, stable cavitation effect, and acoustic radiation force effect. The effect of the main ultrasonic parameters, including ultrasonic power and ultrasonic frequency, on mineral flotation are discussed. This review highlights the uses of the application of ultrasonic treatment in minerals (such as the cleaning effect, ultrasonic corrosion, and desulfuration), flotation agents (such as dispersion and emulsification and change in properties and microstructure of pharmaceutical solution), and slurry (such formation of microbubbles and coalescence). Additionally, this review discusses the challenges and prospects of using ultrasonic approaches for mineral flotation. The findings demonstrate that the application of the ultrasonic effect yields diverse impacts on flotation, thereby enabling the regulation of flotation behavior through various treatment methods to enhance flotation indices and achieve the desired objectives.
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Affiliation(s)
- Huan Zhang
- College of Chemistry and Material, Weinan Normal University, Weinan 714099, China; (H.Z.); (N.S.)
| | - Mingming Du
- State Key Laboratory of Multiphase Flow in Power Engineering (SKLMF), Xi’an Jiaotong University, Xi’an 710049, China;
| | - Haijie Hu
- Shaanxi Province Key Laboratory of Environmental Pollution Control and Reservoir Protection Technology of Oilfields, College of Chemistry and Chemical Engineering, Xi’an Shiyou University, Xi’an 710065, China;
| | - Hongli Zhang
- College of Chemistry and Material, Weinan Normal University, Weinan 714099, China; (H.Z.); (N.S.)
| | - Naijian Song
- College of Chemistry and Material, Weinan Normal University, Weinan 714099, China; (H.Z.); (N.S.)
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Bing SJ, Liu FF, Li YQ, Sun GJ, Wang CY, Liang Y, Zhao XZ, Hua DL, Chen L, Mo HZ. The structural characteristics and physicochemical properties of mung bean protein hydrolysate of protamex induced by ultrasound. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:3665-3675. [PMID: 38158728 DOI: 10.1002/jsfa.13251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 12/19/2023] [Accepted: 12/30/2023] [Indexed: 01/03/2024]
Abstract
BACKGROUND The limited physicochemical properties (such as low foaming and emulsifying capacity) of mung bean protein hydrolysate restrict its application in the food industry. Ultrasound treatment could change the structures of protein hydrolysate to accordingly affect its physicochemical properties. The aim of this study was to investigate the effects of ultrasound treatment on the structural and physicochemical properties of mung bean protein hydrolysate of protamex (MBHP). The structural characteristics of MBHP were evaluated using tricine sodium dodecylsulfate-polyacrylamide gel electrophoresis, laser scattering, fluorescence spectrometry, etc. Solubility, fat absorption capacity and foaming, emulsifying and thermal properties were determined to characterize the physicochemical properties of MBHP. RESULTS MBHP and ultrasonicated-MBHPs (UT-MBHPs) all contained five main bands of 25.8, 12.1, 5.6, 4.8 and 3.9 kDa, illustrating that ultrasound did not change the subunits of MBHP. Ultrasound treatment increased the contents of α-helix, β-sheet and random coil and enhanced the intrinsic fluorescence intensity of MBHP, but decreased the content of β-turn, which demonstrated that ultrasound modified the secondary and tertiary structures of MBHP. UT-MBHPs exhibited higher solubility, foaming capacity and emulsifying properties than MBHP, among which MBHP-330 W had the highest solubility (97.32%), foaming capacity (200%), emulsification activity index (306.96 m2 g-1 ) and emulsion stability index (94.80%) at pH 9.0. CONCLUSION Ultrasound treatment enhanced the physicochemical properties of MBHP, which could broaden its application as a vital ingredient in the food industry. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Shu-Jing Bing
- School of Food Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Fen-Fang Liu
- School of Food Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Ying-Qiu Li
- School of Food Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Gui-Jin Sun
- School of Food Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Chen-Ying Wang
- School of Food Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Yan Liang
- School of Food Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Xiang-Zhong Zhao
- School of Food Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Dong-Liang Hua
- School of Energy and Power Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Lei Chen
- School of Energy and Power Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Hai-Zhen Mo
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, China
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Abu Salha B, Perkas N, Gedanken A. Making salty cucumbers and honeyed apples by applying the sonochemical method. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2021; 58:4263-4269. [PMID: 34538909 PMCID: PMC8405738 DOI: 10.1007/s13197-020-04900-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 06/21/2020] [Accepted: 11/10/2020] [Indexed: 06/13/2023]
Abstract
Sonochemistry was applied in the last few years for coating surfaces of various substrates for imparting desired properties to the surface. In the current paper the coating of cucumbers with NaCl nanoparticles and apples with honey nanoparticles was accomplished by applying the sonochemical method. In both coating the nanoparticles were deposited from aqueous solutions. The products were characterized by Inductively coupled plasma, Dynamic light scattering, Scanning electron microscopy, and Nuclear magnetic resonance.
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Affiliation(s)
- Belal Abu Salha
- Department of Chemistry and the BINA Center, Bar-Ilan University, 5290002 Ramat-Gan, Israel
| | - Nina Perkas
- Department of Chemistry and the BINA Center, Bar-Ilan University, 5290002 Ramat-Gan, Israel
| | - Aharon Gedanken
- Department of Chemistry and the BINA Center, Bar-Ilan University, 5290002 Ramat-Gan, Israel
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Investigation of Ultrasonic Treatment on Physicochemical, Structural and Morphological Properties of Sodium Alginate/AgNPs/Apple Polyphenol Films and Its Preservation Effect on Strawberry. Polymers (Basel) 2020; 12:polym12092096. [PMID: 32942637 PMCID: PMC7570076 DOI: 10.3390/polym12092096] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 09/06/2020] [Accepted: 09/08/2020] [Indexed: 12/19/2022] Open
Abstract
An antibacterial and anti-oxidation composite film was prepared by a casting method using sodium alginate (SA) and apple polyphenols (APPs) as the base material and glycerol as the plasticizer. Silver nanoparticles (AgNPs) were deposited by ultrasonic-assisted electrospray method. The degree of influence of the addition ratio of SA and AgNPs and different ultrasonic time on the mechanical properties, barrier properties, optical properties, and hydrophilicity of the composite film was explored. The composite films were characterized by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and scanning electron microscopy (SEM). The results showed that the SA: AgNPs ratio of 7:3 and the ultrasonic time for 30 min have the best comprehensive performance, and SA/AgNPs/APP films showed the lowest water vapor permeability value of 0.75 × 10−11 g/m·s·Pa. The composite film has good strength and softness, with tensile strength (TS) and elongation at break (E) at 23.94 MPa and 29.18%, respectively. SEM images showed that the surface of the composite film was smooth and the AgNPs’ distribution was uniform. The composite film showed broad antibacterial activity, and the antibacterial activity of Escherichia coli (92.01%) was higher than that of Staphylococcus aureus (91.26%). However, due to the addition of APP, its antioxidant activity can reach 98.39%, which has a synergistic effect on antibacterial activity. For strawberry as a model, the results showed that this composite film can prolong the shelf life of strawberries for about 8 days at 4 °C, effectively maintaining their storage quality. Compared with the commonly used PE(Polyethylene film) film on the market, it has a greater fresh-keeping effect and can be used as an active food packaging material.
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5
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Room-temperature fabrication of magnetite-boehmite sol-gel composites for heavy metal ions removal. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2018.02.011] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Ajith N, Swain KK. An ultrasound assisted reductive method for preparation of MnO2: modification of XAD and application in removal of arsenic. SEP SCI TECHNOL 2019. [DOI: 10.1080/01496395.2019.1604756] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Nicy Ajith
- Analytical Chemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai, India
- Department of Atomic Energy, Homi Bhabha National Institute, Mumbai, Maharashtra, India
| | - Kallola Kumar Swain
- Analytical Chemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai, India
- Department of Atomic Energy, Homi Bhabha National Institute, Mumbai, Maharashtra, India
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The Use of Power Ultrasound for the Production of PEMFC and PEMWE Catalysts and Low-Pt Loading and High-Performing Electrodes. Catalysts 2019. [DOI: 10.3390/catal9030246] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
This short review paper highlights some of the research works undertaken over the years by Pollet’s research groups in Birmingham, Cape Town, and Trondheim, in the use of power ultrasound for the fabrication of low temperature fuel cell and electrolyzer catalysts and electrodes. Since the publication of ‘The use of ultrasound for the fabrication of fuel cell materials’ in 2010, there has been an upsurge of international interest in the use of power ultrasound, sonochemistry, and sonoelectrochemistry for the production of low temperature fuel cell and electrolyzer materials. This is because power ultrasound offers many advantages over traditional synthetic methods. The attraction of power ultrasound is the ability to create localized transient high temperatures and pressures, as a result of cavitation, in solutions at room temperature.
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Arulmani S, Wu JJ, Anandan S. Ultrasound promoted transition metal doped polyaniline nanofibers: Enhanced electrode material for electrochemical energy storage applications. ULTRASONICS SONOCHEMISTRY 2019; 51:469-477. [PMID: 30518501 DOI: 10.1016/j.ultsonch.2018.07.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 06/23/2018] [Accepted: 07/04/2018] [Indexed: 05/24/2023]
Abstract
Here in, we report a simple and facile method to synthesis morphology oriented transition metal (Nickel) doped polyaniline (Ni2+/PANI) by chemical oxidative polymerization with the assistance of ultrasonic irradiation. Physicochemical property of the materials examined through XRD and FT-IR. The morphological feature exposed that the sonochemical assisted Ni2+ doped PANI is differing from the conventional method and it reveals a notable electrochemical property as in the form of specific capacitance (370 F g-1 at 0.5 A g-1) with improved rate capability and sustained cycling performance due to its typical interconnected nano-fibrillar morphology than the other synthesized materials. These intriguing features realized from the properly arranged nanostructure with perfect doping and make as a promising candidate as an electrode material in supercapacitor applications.
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Affiliation(s)
- Subramanian Arulmani
- Nanomaterials and Solar Energy Conversion Lab, Department of Chemistry, National Institute of Technology, Tiruchirappalli 620 015, India
| | - Jerry J Wu
- Department of Environmental Engineering and Science, Feng Chia University, Taichung 407, Taiwan
| | - Sambandam Anandan
- Nanomaterials and Solar Energy Conversion Lab, Department of Chemistry, National Institute of Technology, Tiruchirappalli 620 015, India.
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Synthesis, Characterization and in vitro Drug Release Studies of Sonolytically Intercalated Poly(o-anisidine)/Montmorillonite Nanocomposites. Macromol Res 2018. [DOI: 10.1007/s13233-019-7037-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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10
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Jadoun S, Verma A, Riaz U. Luminol modified polycarbazole and poly(o-anisidine): Theoretical insights compared with experimental data. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 204:64-72. [PMID: 29902772 DOI: 10.1016/j.saa.2018.06.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Revised: 06/02/2018] [Accepted: 06/07/2018] [Indexed: 06/08/2023]
Abstract
With the aim to explore the effect of luminol as a multifunctional dopant for conjugated polymers, the present study reports the ultrasound-assisted doping of polycarbazole (PCz) and poly(o-anisidine) (PAnis) with luminol in basic, acidic and neutral media. The synthesized homopolymers and luminol doped polymers were characterized using FT-IR, UV-visible and XRD studies while the photo-physical properties were investigated via fluorescence spectroscopy. Density functional theory (DFT) calculations were performed to get insights into the structural, optical, and electronic properties of homopolymers of polycarbazole (PCz) and poly(o-anisidine) (PAnis). Vibrational bands B3LYP/6-311G (d,p) level, UV-vis spectral bands and electronic properties such as ionization potentials (IP), electron affinities (EA) and HOMO-LUMO band gap energies of the homopolymers and doped polymers were calculated and compared. Results revealed that luminol doped polymers showed different photo-physical characteristics in acidic, basic and neutral media which could be tuned to obtain near infrared (NIR) emitting polymers.
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Affiliation(s)
- Sapana Jadoun
- Materials Research Laboratory, Department of Chemistry, Jamia Millia Islamia, New Delhi 110025, India
| | - Anurakshee Verma
- Materials Research Laboratory, Department of Chemistry, Jamia Millia Islamia, New Delhi 110025, India
| | - Ufana Riaz
- Materials Research Laboratory, Department of Chemistry, Jamia Millia Islamia, New Delhi 110025, India.
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11
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Dai HK, Xie CB, Liang HC, Qian LY, Han CQ, Yan CC, Zhao YP. Growth and optical properties of Ag-Ti composite nanorods based on oblique angle co-deposition technique. OPTICS EXPRESS 2018; 26:12022-12037. [PMID: 29716119 DOI: 10.1364/oe.26.012022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Accepted: 04/21/2018] [Indexed: 06/08/2023]
Abstract
Ag-Ti composite nanorod structures with various Ag compositions were fabricated by the oblique angle co-deposition technique, and their optical transmission spectra are tuned by composition ratios of Ag and Ti, polarization directions, and deposition angles. Such tunable optical properties have potential applications in optoelectronics. Specially, for the Ag80 composite nanorod structures, there exists a wavelength, where it is isotropic. We also show that the transmission spectra of the Ag80 composite nanorod structure for the deposition angle of 87.5° are greater than 90%, while the transmission spectra for the 75° deposition angle are lower than 20%. Utilizing such a property, high or low transmission lenses can be designed.
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12
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Golda-Cepa M, Chytrosz P, Chorylek A, Kotarba A. One-step sonochemical fabrication and embedding of gentamicin nanoparticles into parylene C implant coating: towards controlled drug delivery. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2018; 14:941-950. [DOI: 10.1016/j.nano.2018.01.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 01/02/2018] [Accepted: 01/22/2018] [Indexed: 01/05/2023]
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13
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Rodríguez-Martínez A, de la Casa-Lillo MÁ, Svilainis L, Gomez Álvarez-Arenas TE. Characterization of nanoparticles doped composites using ultrasound. ULTRASONICS 2018; 83:68-79. [PMID: 28673662 DOI: 10.1016/j.ultras.2017.06.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 04/29/2017] [Accepted: 06/19/2017] [Indexed: 06/07/2023]
Abstract
The aim of this work is the non-destructive automatic mechanical characterization of nanoparticles doped composites using ultrasound in order to understand and control the dispersion of the dopant nanoparticles in the final product. We present a method which is able to measure the elastic constants of composites (Youngs, Bulk, Shear Modulus and Poissons ratio), in addition to other parameters as density, sound velocity and thickness, providing information of the nanoparticles dispersion in the samples. All results are obtained with a single ultrasonic measure at each point of the samples' surface in an immersion setup with both pulse-echo and through-transmission measurements simultaneously, obtaining detailed information for all the samples' surface in a XY scanning. All the analysis is performed automatically, that is, no manual correction or adjustment is needed at any stage of the process. To validate the results, a polyester based resin has been analyzed with different concentrations of graphene nanoparticles as dopant. The method has shown to be very accurate and reliable. The resolution of the values obtained for the elastic constants is limited by the resolution in the velocities measurements, for which we have achieved a resolution in the order of cm/s, thus providing very accurate measurements of the elastic constants.
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Affiliation(s)
| | | | - Linas Svilainis
- Electronic Engineering Dept., KTU, Studentu St. 48, LT-51367 Kaunas, Lithuania.
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Gedanken A, Perkas N, Perelshtein I, Lipovsky A. Imparting Pharmaceutical Applications to the Surface of Fabrics for Wound and Skin Care by Ultrasonic Waves. Curr Med Chem 2017; 25:5739-5754. [PMID: 29284390 DOI: 10.2174/0929867325666171229141635] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Revised: 07/05/2017] [Accepted: 07/05/2017] [Indexed: 01/19/2023]
Abstract
In this review, we report the functionalization of textiles composed of nanoscale reactive materials in the treatment of wounds and skin diseases such as acne. In view of the growing demand for high-quality textiles, much research is focused on the creation of antimicrobial finishings for fabrics, in order to protect customers from pathogenic or odorgenerating microorganisms. We present coatings from inorganic, organic and biochemical nanoparticles (NPs) on surfaces that impart the ability to kill bacteria, avoid biofilm formation and speed up the recovery of wounds. In all three cases, sonochemistry is used for immobilizing the nanoparticles on the surfaces. The Introduction broadly covers the progress of nanotechnology in the fields of wound and skin care. The first section of this review outlines the mechanism of the ultrasound-assisted deposition of nanoparticles on textiles. The coating can be performed by an in-situ process in which the nanoparticles are formed and subsequently thrown onto the surface of the fabrics at a very high speed. This approach was used in depositing metal-oxide NPs such as ZnO, CuO and Zn-CuO or the organic NPs of tannic acid, chitosan, etc. on textiles. In addition, the sonochemical process can be used as a "throwing stone" technique, namely, previously synthesized or commercially purchased NPs can be placed in the sonication bath and sonicated in the presence of the fabric. The collapse of the acoustic bubble in the solution causes the throwing of the immersed commercial NPs onto the textiles. This section will also outline why sonochemical deposition on textiles is considered the best coating technique. The second section will discuss new applications of the sonochemically- coated textiles in killing bacteria, avoiding biofilm formation and more. Two points should be noted: 1) the review will primarily report results obtained at Bar-Ilan University and 2) since for all textiles tested in our experiments (cotton, polyester, nylon, nonwoven) similar results were obtained, the type of textile used in a specific experiment will not be mentioned - textiles will be discussed in general. It is also worth emphasizing that this review concentrates only on the sonochemical coating of textiles, ignoring other deposition techniques.
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Affiliation(s)
- Aharon Gedanken
- Department of Chemistry and Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat Gan 5290002, Israel
| | - Nina Perkas
- Department of Chemistry and Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat Gan 5290002, Israel
| | - Ilana Perelshtein
- Department of Chemistry and Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat Gan 5290002, Israel
| | - Anat Lipovsky
- Department of Chemistry and Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat Gan 5290002, Israel
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15
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Mantecca P, Kasemets K, Deokar A, Perelshtein I, Gedanken A, Bahk YK, Kianfar B, Wang J. Airborne Nanoparticle Release and Toxicological Risk from Metal-Oxide-Coated Textiles: Toward a Multiscale Safe-by-Design Approach. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2017; 51:9305-9317. [PMID: 28715175 DOI: 10.1021/acs.est.7b02390] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Nano metal oxides have been proposed as alternatives to silver (Ag) nanoparticles (NPs) for antibacterial coatings. Here, cotton and polyester-cotton fabrics were sonochemically coated with zinc oxide (ZnO) and copper oxide (CuO) NPs. By varying the reaction solvent (water or ethanol), NPs with different sizes and shapes were synthesized. The cytotoxic and pro-inflammatory effects of studied NPs were investigated in vitro in human alveolar epithelial A549 and macrophage-like THP1 cells. To understand the potential respiratory impact of the NPs, the coated textiles were subjected to the abrasion tests, and the released airborne particles were measured. A very small amount of the studied metal oxides NPs was released from abrasion of the textiles coated by the ethanol-based sonochemical process. The release from the water-based coating was comparably higher. Lung and immune cells viability decreased after 24 h of exposure only at the highest studied NPs concentration (100 μg/mL). Different from the ZnO NPs, both formulations of CuO NPs induced IL-8 release in the lung epithelial cells already at subtoxic concentrations (1-10 μg/mL) but not in immune cells. All of the studied NPs did not induce IL-6 release by the lung and immune cells. Calculations revealed that the exposures of the NPs to human lung due to the abrasion of the textiles were lower or comparable to the minimum doses in the cell viability tests (0.1 μg/mL), at which acute cytotoxicity was not observed. The results alleviate the concerns regarding the potential risk of these metal oxide NPs in their applications for the textile coating and provide insight for the safe-by-design approach.
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Affiliation(s)
- Paride Mantecca
- Department of Earth and Environmental Sciences, Research Center POLARIS, University of Milano-Bicocca , Milan 20126, Italy
| | - Kaja Kasemets
- Department of Earth and Environmental Sciences, Research Center POLARIS, University of Milano-Bicocca , Milan 20126, Italy
- Laboratory of Environmental Toxicology, National Institute of Chemical Physics and Biophysics , Tallinn 12618, Estonia
| | - Archana Deokar
- Department of Chemistry and Nanomaterials, Bar-Ilan University Center for Advanced Materials and Nanotechnology , Ramat-Gan 5290002, Israel
| | - Ilana Perelshtein
- Department of Chemistry and Nanomaterials, Bar-Ilan University Center for Advanced Materials and Nanotechnology , Ramat-Gan 5290002, Israel
| | - Aharon Gedanken
- Department of Chemistry and Nanomaterials, Bar-Ilan University Center for Advanced Materials and Nanotechnology , Ramat-Gan 5290002, Israel
| | - Yeon Kyoung Bahk
- Laboratory for Advanced Analytical Technologies, Empa, Swiss Federal Laboratories for Materials Science and Technology , 8600 Dübendorf, Switzerland
- Institute of Environmental Engineering, ETH Zurich , Zurich 8092, Switzerland
| | - Baharh Kianfar
- Institute of Environmental Engineering, ETH Zurich , Zurich 8092, Switzerland
| | - Jing Wang
- Laboratory for Advanced Analytical Technologies, Empa, Swiss Federal Laboratories for Materials Science and Technology , 8600 Dübendorf, Switzerland
- Institute of Environmental Engineering, ETH Zurich , Zurich 8092, Switzerland
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17
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Surfactant Incorporated Co Nanoparticles Polymer Composites with Uniform Dispersion and Double Percolation. J CHEM-NY 2017. [DOI: 10.1155/2017/7191590] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Series of Cobalt nanoparticles incorporated polymethylmethacrylate composites in the presence and absence of dodecyl-benzene-sulphonic acid (DBSA-CoNPs/PMMA and CoNPs/PMMA, resp.) were synthesized by solution mixing methodology. UV-visible and FTIR techniques were used to confirm the formation of nanocomposite. UV-visible spectra of the composites showed the incorporation of filler particles in the polymer matrix. On the other hand, FTIR spectra indicated the physical interaction between the two phases of the composite. Moreover, the electrical nature of the composites was studied by plotting graphs between electrical conductivity (measured using LCR meter at 100 kHz) and contents of the filler particles as introduced in the polymer matrix. An increase in electrical conductivity was first observed with increasing filler concentration up to the critical percolation threshold value (0.5% for DBSA-CoNPs/PMMA and 1% for CoNPs/PMMA), which then dropped upon further increments in the filler content. However, at higher concentrations, a second jump in the conductivity was observed in case of DBSA-CoNPs/PMMA composites.
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Hostert L, Alvarenga GD, Marchesi LF, Soares AL, Vidotti M. One-Pot sono electrodeposition of poly(pyrrole)/Prussian blue nanocomposites: Effects of the ultrasound amplitude in the electrode interface and electrocatalytical properties. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.08.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Pajaie HS, Taghizadeh M. Investigating the Effect of Ultrasonic and Microwave-Assisted Aging on the Synthesis of Nanosized SAPO-34 Molecular Sieves Using Box–Behnken Experimental Design. ACTA ACUST UNITED AC 2015. [DOI: 10.1080/15533174.2014.988827] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
| | - Majid Taghizadeh
- Chemical Engineering Department, Babol University of Technology, Babol, I. R. Iran
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Mishra RK, Segal E, Lipovsky A, Natan M, Banin E, Gedanken A. New life for an old antibiotic. ACS APPLIED MATERIALS & INTERFACES 2015; 7:7324-7333. [PMID: 25768259 DOI: 10.1021/acsami.5b00563] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Restoring the antibacterial properties of existing antibiotics is of great concern. Herein, we present, for the first time, the formation and deposition of stable antibiotic nanoparticles (NPs) on graphene oxide (GO) sheets by a facile one-step sonochemical technique. Sonochemically synthesized graphene oxide/tetracycline (GO/TET) composite shows enhanced activity against both sensitive and resistant Staphylococcus aureus (S. aureus). The size and deposition of tetracycline (TET) nanoparticles on GO can be controlled by varying the sonication time. The synthesized NPs ranged from 21 to 180 nm. Moreover, ultrasonic irradiation does not cause any structural and chemical changes to the TET molecule as confirmed by Fourier transform infrared spectroscopy (FTIR). The virtue of π-π stacking between GO and TET additionally facilitate the coating of TET NPs upon GO. A time dependent release kinetics of TET NPs from the GO surface is also monitored providing important insights regarding the mechanism of antibacterial activity of GO/TET composites. Our results show that the GO/TET composite is bactericidal in nature, resulting in similar values of minimal inhibitory concentration (MIC) and minimal bactericidal concentration (MBC). This composite is found to be active against TET resistant S. aureus at a concentration four times lower than the pristine TET. The sensitive S. aureus follows the same trend showing six times lower MIC values compared to pristine TET. GO shows no activity against both sensitive and resistant S. aureus even at a concentration as high as 1 mg/mL but influences the biocidal activity of the GO/TET composite. We propose that the unique structure and composition manifested by GO/TET composites may be further utilized for different formulations of antibiotics with GO. The sonochemical method used in this work can be precisely tailored for the stable deposition of a variety of antibiotics on the GO surface to reduce health risks and increase the spectrum of applications.
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Affiliation(s)
- Rahul Kumar Mishra
- †Department of Chemistry, Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan 52900, Israel
| | - Elad Segal
- †Department of Chemistry, Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan 52900, Israel
| | - Anat Lipovsky
- †Department of Chemistry, Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan 52900, Israel
| | - Michal Natan
- ∥The Mina and Everard Goodman Faculty of Life Sciences, Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan 52900, Israel
| | - Ehud Banin
- ∥The Mina and Everard Goodman Faculty of Life Sciences, Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan 52900, Israel
| | - Aharon Gedanken
- †Department of Chemistry, Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan 52900, Israel
- §Department of Materials Science and Engineering, National Cheng Kung University, Tainan 70101, Taiwan
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21
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Sharifi Pajaie H, Taghizadeh M. Optimization of nano-sized SAPO-34 synthesis in methanol-to-olefin reaction by response surface methodology. J IND ENG CHEM 2015. [DOI: 10.1016/j.jiec.2014.09.009] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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22
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Grinberg O, Natan M, Lipovsky A, Varvak A, Keppner H, Gedanken A, Banin E. Antibiotic nanoparticles embedded into the Parylene C layer as a new method to prevent medical device-associated infections. J Mater Chem B 2015; 3:59-64. [DOI: 10.1039/c4tb00934g] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Tetracycline nanoparticles (NPs) were synthesized and simultaneously deposited on Parylene-C coated glass slides using ultrasound irradiation.
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Affiliation(s)
- Olga Grinberg
- Department of Chemistry
- Kanbar Laboratory for Nanomaterials
- Nanotechnology Research Center
- Institute of Nanotechnology and Advanced Materials
- Bar-Ilan University
| | - Michal Natan
- The Biofilm Research Laboratory
- The Bar-Ilan Institute of Nanotechnology and Advanced Materials
- The Mina and Everard Goodman Faculty of Life Sciences
- Bar-Ilan University
- Ramat-Gan
| | - Anat Lipovsky
- Department of Chemistry
- Kanbar Laboratory for Nanomaterials
- Nanotechnology Research Center
- Institute of Nanotechnology and Advanced Materials
- Bar-Ilan University
| | - Alexander Varvak
- Chromatography Unit
- Scientific Equipment Center
- The Mina and Everard Goodman Faculty of Life Sciences
- Bar-Ilan University
- Ramat-Gan
| | - Herbert Keppner
- HES-SO Arc
- Institut des Microtechnologies Appliquées
- 2300 La Chaux-de Fonds
- Switzerland
| | - Aharon Gedanken
- Department of Chemistry
- Kanbar Laboratory for Nanomaterials
- Nanotechnology Research Center
- Institute of Nanotechnology and Advanced Materials
- Bar-Ilan University
| | - Ehud Banin
- The Biofilm Research Laboratory
- The Bar-Ilan Institute of Nanotechnology and Advanced Materials
- The Mina and Everard Goodman Faculty of Life Sciences
- Bar-Ilan University
- Ramat-Gan
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23
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Sakkas PM, Schneider O, Sourkouni G, Argirusis C. Sonochemistry in the service of SOFC research. ULTRASONICS SONOCHEMISTRY 2014; 21:1939-1947. [PMID: 24561110 DOI: 10.1016/j.ultsonch.2014.02.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2013] [Revised: 01/27/2014] [Accepted: 02/01/2014] [Indexed: 06/03/2023]
Abstract
Decoration of SOFC anode cermets with metal nanoparticles (NPs) enchance their ability and stability in natural gas to hydrogen reform. A novel sonoelectrochemical approach of Au-NPs synthesis (mean 12.31±2.69nm) is suggested, according to which the sonication is held constant while the electrochemical activity is either pulsed or continuous. The gold colloidal solution is cosonicated with state of the art cermet powder to yield particles decorated with Au-NPs. Nevertheless sonochemical routes of mixed molybdenum, rhenium or tungsten mixed oxides synthesis are utilized in order to decorate SOFC anode cermets. The decoration loading achieved spanned from 0.1 to 10.0wt.%.
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Affiliation(s)
- Petros M Sakkas
- School of Chemical Engineering, National Technical University of Athens, 15780 Zografou Campus, Greece; Institute of Metallurgy, Clausthal University of Technology, 38678 Clausthal-Zellerfeld, Germany; Energy Research Center Lower Saxony, Clausthal University of Technology, 38640 Goslar, Germany
| | - Oliver Schneider
- Institute of Metallurgy, Clausthal University of Technology, 38678 Clausthal-Zellerfeld, Germany; Institute of Informatics VI, Technische Universität München, 85748 Garching, Germany
| | - Georgia Sourkouni
- Energy Research Center Lower Saxony, Clausthal University of Technology, 38640 Goslar, Germany; Institute of Electrical Power Engineering, Clausthal University of Technology, 38678 Clausthal-Zellerfeld, Germany
| | - Christos Argirusis
- School of Chemical Engineering, National Technical University of Athens, 15780 Zografou Campus, Greece.
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24
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Perelshtein I, Ruderman E, Francesko A, Fernandes MM, Tzanov T, Gedanken A. Tannic acid NPs - synthesis and immobilization onto a solid surface in a one-step process and their antibacterial and anti-inflammatory properties. ULTRASONICS SONOCHEMISTRY 2014; 21:1916-1920. [PMID: 24365223 DOI: 10.1016/j.ultsonch.2013.11.022] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2013] [Revised: 11/05/2013] [Accepted: 11/20/2013] [Indexed: 06/03/2023]
Abstract
Tannic acid nanoparticles were synthesized from an aqueous solution without the use of stabilizers via a sonochemical process. In order to avoid the dissolution of the formed nanoparticles, the sonochemical reaction was performed in the presence of a cotton fabric: following their formation, the tannic acid nanoparticles were embedded into the cotton substrate in a one-step process. The bioactive properties of the tannic acid coated surface were examined towards the inhibition of myeloperoxidase and collagenase, two major enzymes related with inflammatory processes. In addition, the antibacterial activity of the tannic acid nanoparticles coated textiles was evaluated against Staphylococcus aureus and Pseudomonas aeruginosa.
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Affiliation(s)
- Ilana Perelshtein
- Department of Chemistry, Kanbar Laboratory for Nanomaterials, Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan 52900, Israel.
| | - Elena Ruderman
- Department of Chemistry, Kanbar Laboratory for Nanomaterials, Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan 52900, Israel.
| | - Antonio Francesko
- Grup de Biotecnologia Molecular i Industrial, Department of Chemical Engineering, Universitat Politècnica de Catalunya, Sant Nebridi s/n, 08222 Terrassa, Spain.
| | - Margarida M Fernandes
- Grup de Biotecnologia Molecular i Industrial, Department of Chemical Engineering, Universitat Politècnica de Catalunya, Sant Nebridi s/n, 08222 Terrassa, Spain.
| | - Tzanko Tzanov
- Grup de Biotecnologia Molecular i Industrial, Department of Chemical Engineering, Universitat Politècnica de Catalunya, Sant Nebridi s/n, 08222 Terrassa, Spain.
| | - Aharon Gedanken
- Department of Chemistry, Kanbar Laboratory for Nanomaterials, Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan 52900, Israel.
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25
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Abulizi A, Yang GH, Okitsu K, Zhu JJ. Synthesis of MnO2 nanoparticles from sonochemical reduction of MnO4(-) in water under different pH conditions. ULTRASONICS SONOCHEMISTRY 2014; 21:1629-34. [PMID: 24793308 DOI: 10.1016/j.ultsonch.2014.03.030] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2013] [Revised: 03/26/2014] [Accepted: 03/27/2014] [Indexed: 05/18/2023]
Abstract
MnO2 was synthesized by sonochemical reduction of MnO4(-) in water under Ar atmosphere at 20°C, where the effects of solution pH on the reduction of MnO4(-) were investigated. The obtained XRD results showed that poor crystallinity δ-MnO2 was formed at pH 2.2, 6.0 and 9.3. When solution pH was increased from 2.2 to 9.3, the morphologies of δ-MnO2 changed from aggregated sheet-like or needle-like structures to spherical nanoparticles and finally to cubic or polyhedron nanoparticles. After further irradiation, MnO2 was readily reduced to Mn(2+). It was confirmed that H2O2 and H atoms formed in the sonolysis of water acted as reductants for both reduction for MnO4(-) to MnO2 and MnO2 to Mn(2+). The optimum irradiation time for the effective synthesis of MnO2 was 13 min at pH 2.2, 9 min at pH 6.0, 8 min at pH 9.3, respectively.
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Affiliation(s)
- Abulikemu Abulizi
- Graduate School of Engineering, Osaka Prefecture University, Osaka 599-8531, Japan; State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, PR China; College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, PR China
| | - Guo Hai Yang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, PR China
| | - Kenji Okitsu
- Graduate School of Engineering, Osaka Prefecture University, Osaka 599-8531, Japan.
| | - Jun-Jie Zhu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, PR China.
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26
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Synthesis of flexible magnetic nanohybrid based on bacterial cellulose under ultrasonic irradiation. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2013; 33:2407-12. [PMID: 23498276 DOI: 10.1016/j.msec.2013.02.007] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2012] [Revised: 02/01/2013] [Accepted: 02/04/2013] [Indexed: 11/20/2022]
Abstract
Flexible magnetic membrane based on bacterial cellulose (BC) was successfully prepared by in-situ synthesis of the Fe3O4 nanoparticles under different conditions and its properties were characterized. The results demonstrated that the Fe3O4 nanoparticles coated with PEG were well homogeneously dispersed in the BC matrix under ultrasonic irradiation with the saturation magnetization of 40.58 emu/g. Besides that, the membranes exhibited the striking flexibility and mechanical properties. This study provided a green and facile method to inhibit magnetic nanoparticle aggregation without compromising the mechanical properties of the nanocomposites. Magnetically responsive BC membrane would have potential applications in electronic actuators, information storage, electromagnetic shielding coating and anti-counterfeit.
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27
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Pace S, Sciacca B, Geobaldo F. Surface modification of porous silicon microparticles by sonochemistry. RSC Adv 2013. [DOI: 10.1039/c3ra42830c] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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28
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Ultrasound and Microwave Coassisted Synthesis and Luminescent Properties of (Ln = La, Gd; ) Phosphors. J CHEM-NY 2013. [DOI: 10.1155/2013/959765] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
In order to control reaction temperature and reduce processing time, a new method of ultrasound irradiation with microwave heating was used to synthesize (Ln = La, Gd; ) phosphors at only 80°C in 30 minutes. Their crystal structures and morphologies which have been verified by X-ray diffraction (XRD) and scanning electron microscopy (SEM) exhibited gradual changes due to the insertion of lanthanide ions (La or Gd) in calcium molybdates. Codoping of lanthanum ions () would enhance the emission intensities that were supported by fluorescent spectrophotometry (FL).
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29
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Perkas N, Lipovsky A, Amirian G, Nitzan Y, Gedanken A. Biocidal properties of TiO2 powder modified with Ag nanoparticles. J Mater Chem B 2013; 1:5309-5316. [DOI: 10.1039/c2tb00337f] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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30
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Mishra S, Shimpi NG, Sen T. The effect of PEG encapsulated silver nanoparticles on the thermal and electrical property of sonochemically synthesized polyaniline/silver nanocomposite. JOURNAL OF POLYMER RESEARCH 2012. [DOI: 10.1007/s10965-012-0049-5] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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31
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He Y, Brown C, Lundgren CA, Zhao Y. The growth of CuSi composite nanorod arrays by oblique angle co-deposition, and their structural, electrical and optical properties. NANOTECHNOLOGY 2012; 23:365703. [PMID: 22910328 DOI: 10.1088/0957-4484/23/36/365703] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Different CuSi composite nanorods with 0-100 at.% Cu were fabricated by an oblique angle co-deposition technique. The effects of increasing Cu during deposition on the morphologies, structures and properties were investigated. During co-evaporation, the addition of Cu decreases the nanorod width and height but increases the nanorod tilting angle. The polarized optical transmission spectra reveal that all the nanorod samples show a remarkable anisotropic response to visible light with an eccentricity e ≈ 1, whereas their optical response to NIR light depends strongly on the Cu composition, and the related eccentricity increases monotonically with the increase of Cu. The obtained amorphous Si film has a resistivity of approximately 4.9 × 10(4) Ω cm. The incorporation of 5-75 at.% Cu increases the electrical conductance from two to eight orders of magnitude. The improved conductance and the unique optical properties of the Si-based nanocomposites could have potential applications for Li-ion battery anode and optical design.
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Affiliation(s)
- Yuping He
- Department of Physics and Astronomy, and Nanoscale Science and Engineering Center, University of Georgia, Athens, GA 30602, USA.
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32
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Kiel S, Grinberg O, Perkas N, Charmet J, Kepner H, Gedanken A. Forming nanoparticles of water-soluble ionic molecules and embedding them into polymer and glass substrates. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2012; 3:267-276. [PMID: 22497000 PMCID: PMC3323916 DOI: 10.3762/bjnano.3.30] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2011] [Accepted: 02/16/2012] [Indexed: 05/31/2023]
Abstract
This work describes a general method for the preparation of salt nanoparticles (NPs) made from an aqueous solution of ionic compounds (NaCl, CuSO(4) and KI). These nanoparticles were created by the application of ultrasonic waves to the aqueous solutions of these salts. When the sonication was carried out in the presence of a glass microscope slide, a parylene-coated glass slide, or a silicon wafer the ionic NPs were embedded in these substrates by a one-step, ultrasound-assisted procedure. Optimization of the coating process resulted in homogeneous distributions of nanocrystals, 30 nm in size, on the surfaces of the substrates. The morphology and structure of each of the coatings were characterized by physical and chemical methods, such as X-ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM), Raman spectroscopy and X-ray photoelectron spectroscopy (XPS). After 24 h of leaching into water the nanoparticles of the inorganic salts were still present on the slides, and complete leaching of nanoparticles occurred only after 96 h. A mechanism of the ultrasound-assisted coating is proposed.
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Affiliation(s)
- Stella Kiel
- Department of Chemistry, Kanbar Laboratory for Nanomaterials, Nanotechnology Research Center, Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 52900, Israel
| | - Olga Grinberg
- Department of Chemistry, Kanbar Laboratory for Nanomaterials, Nanotechnology Research Center, Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 52900, Israel
| | - Nina Perkas
- Department of Chemistry, Kanbar Laboratory for Nanomaterials, Nanotechnology Research Center, Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 52900, Israel
| | - Jerome Charmet
- HES-SO Arc, Institut des Microtechnologies Appliquées, Eplatures-Grises, 1 7, 2300 La Chaux-de Fonds, Switzerland
| | - Herbert Kepner
- HES-SO Arc, Institut des Microtechnologies Appliquées, Eplatures-Grises, 1 7, 2300 La Chaux-de Fonds, Switzerland
| | - Aharon Gedanken
- Department of Chemistry, Kanbar Laboratory for Nanomaterials, Nanotechnology Research Center, Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 52900, Israel
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33
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Sonoelectrochemical fabrication of Pd-graphene nanocomposite and its application in the determination of chlorophenols. Electrochim Acta 2011. [DOI: 10.1016/j.electacta.2011.04.099] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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34
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Chen X, He Y, Zhao Y, Wang X. Thermophysical properties of hydrogenated vanadium-doped magnesium porous nanostructures. NANOTECHNOLOGY 2010; 21:055707. [PMID: 20032553 DOI: 10.1088/0957-4484/21/5/055707] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Vanadium-doped magnesium nanostructures are fabricated by an oblique angle co-deposition method and hydrogenated/dehydrogenated for 21 cycles. The effective thermal conductivity and density of the MgH2 nanostructures is measured by using a photothermal system. A multilayer physical model is used to fit the experimental data. Our results show that the effective thermal conductivity of the hydrogenated V-doped Mg nanostructures is in the range of 1.16-2.40 W m(-1) K(-1) and the density falls in the range of 878-1320 kg m(-3). The measured density agrees well with the estimation from electron micrograph observation. Variation in the measurements indicates strong nonuniformity of the sample structure and thickness. Based on the measured density and effective thermal conductivity, the thermal conductivity of bulk V-doped Mg hydrides is also evaluated using Maxwell's correlation.
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Affiliation(s)
- Xiangwen Chen
- Department of Mechanical Engineering, 2010 H. M. Black Engineering Building, Iowa State University, Ames, IA 50011-2161, USA
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35
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Okitsu K, Iwatani M, Nanzai B, Nishimura R, Maeda Y. Sonochemical reduction of permanganate to manganese dioxide: the effects of H2O2 formed in the sonolysis of water on the rates of reduction. ULTRASONICS SONOCHEMISTRY 2009; 16:387-391. [PMID: 19038568 DOI: 10.1016/j.ultsonch.2008.10.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2008] [Revised: 10/03/2008] [Accepted: 10/08/2008] [Indexed: 05/27/2023]
Abstract
Chemical effects of ultrasound have been actively researched in the field of the synthesis of various metal nanoparticles and nanostructured materials. It is very important to understand the reduction mechanism of metal ions, because the reduction processes can be often applied to the synthesis of various materials. In this study, the sonochemical reduction of MnO4- to MnO2 in water under Ar atmosphere was investigated to discuss the reduction mechanism. It has been reported that H, OH, H2 and H2O2 are formed from the sonolysis of water. To understand the roles of H2O2 on the reduction, the reaction of MnO4- with H2O2 without ultrasonic irradiation was investigated. The obtained results suggested the progress of the following reaction: 2MnO4-+3H2O2-->2MnO2+3O2+2OH-+2H2O. In addition, the rates of the sonochemical reduction of MnO4- were investigated in the presence of 1-propanol, where 1-propanol acted as an OH radical scavenger so that the amounts of the sonochemically formed H2O2 molecules were able to be controlled. The results clearly indicated that the sonochemically formed H2O2 molecules as well as H2 molecules and H atoms play an important role for MnO4- reduction. This mechanism was also supported by the analysis of pH changes during ultrasonic irradiation: the pH value increased as the sonochemical reduction of MnO4- proceeded.
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Affiliation(s)
- Kenji Okitsu
- Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan.
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36
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Ruan Q, Zhu Y, Zeng Y, Qian H, Xiao J, Xu F, Zhang L, Zhao D. Ultrasonic-Irradiation-Assisted Oriented Assembly of Ordered Monetite Nanosheets Stacking. J Phys Chem B 2009; 113:1100-6. [DOI: 10.1021/jp809494f] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Qichao Ruan
- Key Laboratory of Inorganic Coating Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Dingxi Road 1295, Shanghai 200050, China; Graduate University of Chinese Academy of Sciences, Yuquanlu 19, Beijing 100049, China; and Key Laboratory for Special Functional Materials Ministry of Education, Henan University, Kaifeng 475004, China
| | - Yingchun Zhu
- Key Laboratory of Inorganic Coating Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Dingxi Road 1295, Shanghai 200050, China; Graduate University of Chinese Academy of Sciences, Yuquanlu 19, Beijing 100049, China; and Key Laboratory for Special Functional Materials Ministry of Education, Henan University, Kaifeng 475004, China
| | - Yi Zeng
- Key Laboratory of Inorganic Coating Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Dingxi Road 1295, Shanghai 200050, China; Graduate University of Chinese Academy of Sciences, Yuquanlu 19, Beijing 100049, China; and Key Laboratory for Special Functional Materials Ministry of Education, Henan University, Kaifeng 475004, China
| | - Huofei Qian
- Key Laboratory of Inorganic Coating Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Dingxi Road 1295, Shanghai 200050, China; Graduate University of Chinese Academy of Sciences, Yuquanlu 19, Beijing 100049, China; and Key Laboratory for Special Functional Materials Ministry of Education, Henan University, Kaifeng 475004, China
| | - Junwu Xiao
- Key Laboratory of Inorganic Coating Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Dingxi Road 1295, Shanghai 200050, China; Graduate University of Chinese Academy of Sciences, Yuquanlu 19, Beijing 100049, China; and Key Laboratory for Special Functional Materials Ministry of Education, Henan University, Kaifeng 475004, China
| | - Fangfang Xu
- Key Laboratory of Inorganic Coating Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Dingxi Road 1295, Shanghai 200050, China; Graduate University of Chinese Academy of Sciences, Yuquanlu 19, Beijing 100049, China; and Key Laboratory for Special Functional Materials Ministry of Education, Henan University, Kaifeng 475004, China
| | - Linlin Zhang
- Key Laboratory of Inorganic Coating Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Dingxi Road 1295, Shanghai 200050, China; Graduate University of Chinese Academy of Sciences, Yuquanlu 19, Beijing 100049, China; and Key Laboratory for Special Functional Materials Ministry of Education, Henan University, Kaifeng 475004, China
| | - Donghui Zhao
- Key Laboratory of Inorganic Coating Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Dingxi Road 1295, Shanghai 200050, China; Graduate University of Chinese Academy of Sciences, Yuquanlu 19, Beijing 100049, China; and Key Laboratory for Special Functional Materials Ministry of Education, Henan University, Kaifeng 475004, China
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37
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New approach of dispersing silver nanopowder in water using ultrasonic atomizer 1.63 MHz. ACTA ACUST UNITED AC 2009. [DOI: 10.1116/1.3098500] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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38
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Enhanced local oxidation of silicon using a conducting atomic force microscope in water. ACTA ACUST UNITED AC 2008. [DOI: 10.1116/1.2819256] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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39
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Cravotto G, Cintas P. Forcing and controlling chemical reactions with ultrasound. Angew Chem Int Ed Engl 2007; 46:5476-8. [PMID: 17577895 DOI: 10.1002/anie.200701567] [Citation(s) in RCA: 109] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Giancarlo Cravotto
- Dipartimento di Scienza e Tecnologia del Farmaco, Università di Torino, Via Giuria 9, 10125 Torino, Italy.
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40
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Cravotto G, Cintas P. Das Auslösen und Steuern chemischer Reaktionen durch Ultraschall. Angew Chem Int Ed Engl 2007. [DOI: 10.1002/ange.200701567] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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