1
|
Hernandez-Moreno G, Vijayan VM, Halloran BA, Ambalavanan N, Hernandez-Nichols AL, Bradford JP, Pillai RR, Thomas V. A plasma-3D print combined in vitro platform with implications for reliable materiobiological screening. J Mater Chem B 2024; 12:6654-6667. [PMID: 38873834 DOI: 10.1039/d3tb02945j] [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: 06/15/2024]
Abstract
Materiobiology is an emerging field focused on the physiochemical properties of biomaterials concerning biological outcomes which includes but is not limited to the biological responses and bioactivity of surface-modified biomaterials. Herein, we report a novel in vitro characterization platform for characterizing nanoparticle surface-modified 3D printed PLA scaffolds. We have introduced innovative design parameters that were practical for ubiquitous in vitro assays like those utilizing 96 and 24-well plates. Subsequently, gold and silica nanoparticles were deposited using two low-temperature plasma-assisted processes namely plasma electroless reduction (PER) and dusty plasma on 3D scaffolds. Materiobiological testing began with nanoparticle surface modification optimization on 96 well plate design 3D scaffolds. We have employed 3D laser confocal imaging and scanning electron microscopy to study the deposition of nanoparticles. It was found that the formation and distribution of the nanoparticles were time-dependent. In vitro assays were performed utilizing an osteosarcoma (MG-63) cell as a model. These cells were grown on both 96 and 24 well plate design 3D scaffolds. Subsequently, we performed different in vitro assays such as cell viability, and fluorescence staining of cytoskeletal actin and DNA incorporation. The actin cytoskeleton staining showed more homogeneity in the cell monolayer growing on the gold nanoparticle-modified 3D scaffolds than the control 3D PLA scaffold. Furthermore, the mineralization and protein adsorption experiments conducted on 96 well plate design scaffolds have shown enhanced mineralization and bovine serum albumin adsorption for the gold nanoparticle-modified scaffolds compared to the control scaffolds. Taken together, this study reports the efficacy of this new in vitro platform in conducting more reliable and efficient materiobiology studies. It is also worth mentioning that this platform has significant futuristic potential for developing as a high throughput screening platform. Such platforms could have a significant impact on the systematic study of biocompatibility and bioactive mechanisms of nanoparticle-modified 3D-printed scaffolds for tissue engineering. It would also provide unique ways to investigate mechanisms of biological responses and subsequent bioactive mechanisms for implantable biomaterials. Moreover, this platform can derive more consistent and reliable in vitro results which can improve the success rate of further in vivo experiments.
Collapse
Affiliation(s)
- Gerardo Hernandez-Moreno
- Department of Materials Science and Engineering, Laboratory for Polymers & Healthcare Materials/Devices, The University of Alabama at Birmingham (UAB), 1150 10th Ave S, Birmingham, AL 35233, USA.
| | - Vineeth M Vijayan
- Department of Materials Science and Engineering, Laboratory for Polymers & Healthcare Materials/Devices, The University of Alabama at Birmingham (UAB), 1150 10th Ave S, Birmingham, AL 35233, USA.
- Laboratory for Polymeric Biomaterials, Department of Biomedical Engineering, Alabama State University (ASU), 915 S Jackson Street, Montgomery, Alabama, 36104, USA.
| | - Brian A Halloran
- Department of Paediatrics, Division of Neonatology, The University of Alabama at Birmingham (UAB), 1670 University Boulevard, Birmingham, AL 35294, USA
| | - Namasivayam Ambalavanan
- Department of Paediatrics, Division of Neonatology, The University of Alabama at Birmingham (UAB), 1670 University Boulevard, Birmingham, AL 35294, USA
| | - Alexandria L Hernandez-Nichols
- Department of Pathology, Heersink School of Medicine, The University of Alabama at Birmingham (UAB), 619 South 19th Street, Birmingham, AL 35233, USA
- Centre for Free Radical Biology (CfRB), The University of Alabama at Birmingham, 901 19th St S, Birmingham, AL 35294, USA
| | - John P Bradford
- Department of Materials Science and Engineering, Laboratory for Polymers & Healthcare Materials/Devices, The University of Alabama at Birmingham (UAB), 1150 10th Ave S, Birmingham, AL 35233, USA.
| | - Renjith R Pillai
- Department of Materials Science and Engineering, Laboratory for Polymers & Healthcare Materials/Devices, The University of Alabama at Birmingham (UAB), 1150 10th Ave S, Birmingham, AL 35233, USA.
| | - Vinoy Thomas
- Department of Materials Science and Engineering, Laboratory for Polymers & Healthcare Materials/Devices, The University of Alabama at Birmingham (UAB), 1150 10th Ave S, Birmingham, AL 35233, USA.
- Centre for Nanoscale Materials and Bio-integration (CNMB), The University of Alabama at Birmingham (UAB), 1720 2nd Ave S, Birmingham, AL 35294, USA
| |
Collapse
|
2
|
Bisht N, Patel M, Mondal DP, Srivastava AK, Dwivedi N, Dhand C. Comparative performance analysis of mussel-inspired polydopamine, polynorepinephrine, and poly-α-methyl norepinephrine in electrochemical biosensors. Mikrochim Acta 2024; 191:456. [PMID: 38980419 DOI: 10.1007/s00604-024-06521-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Accepted: 06/20/2024] [Indexed: 07/10/2024]
Abstract
Polydopamine (PDA) has garnered significant interest for applications in biosensors, drug delivery, and tissue engineering. However, similar polycatecholamines like polynorepinephrine (PNE) with additional hydroxyl groups and poly-α-methylnorepinephrine (PAMN) with additional hydroxyl and methyl groups remain unexplored in the biosensing domain. This research introduces three innovative biosensing platforms composed of ternary nanocomposite based on reduced graphene oxide (RGO), gold nanoparticles (Au NPs), and three sister polycatecholamine compounds (PDA, PNE, and PAMN). The study compares and evaluates the performance of the three biosensing systems for the ultrasensitive detection of Mycobacterium tuberculosis (MTB). The formation of the nanocomposites was meticulously examined through UV-Visible, Raman, XRD, and FT-IR studies with FE-SEM and HR-TEM analysis. Cyclic voltammetry and differential pulse voltammetry measurements were also performed to determine the electrochemical characteristics of the modified electrodes. Electrochemical biosensing experiments reveal that the RGO-PDA-Au, RGO-PNE-Au, and RGO-PAMN-Au-based biosensors detected target DNA up to a broad detection range of 0.1 × 10-8 to 0.1 × 10-18 M, with a low detection limit (LOD) of 0.1 × 10-18, 0.1 × 10-16, and 0.1 × 10-17 M, respectively. The bioelectrodes were proved to be highly selective with excellent sensitivities of 3.62 × 10-4 mA M-1 (PDA), 7.08 × 10-4 mA M-1 (PNE), and 6.03 × 10-4 mA M-1 (PAMN). This study pioneers the exploration of two novel mussel-inspired polycatecholamines in biosensors, opening avenues for functional nanocoatings that could drive further advancements in this field.
Collapse
Affiliation(s)
- Neha Bisht
- CSIR-Advanced Materials and Processes Research Institute, Hoshangabad Road, Bhopal, 462026, India
| | - Monika Patel
- CSIR-Advanced Materials and Processes Research Institute, Hoshangabad Road, Bhopal, 462026, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - D P Mondal
- CSIR-Advanced Materials and Processes Research Institute, Hoshangabad Road, Bhopal, 462026, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Avanish Kumar Srivastava
- CSIR-Advanced Materials and Processes Research Institute, Hoshangabad Road, Bhopal, 462026, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Neeraj Dwivedi
- CSIR-Advanced Materials and Processes Research Institute, Hoshangabad Road, Bhopal, 462026, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
| | - Chetna Dhand
- CSIR-Advanced Materials and Processes Research Institute, Hoshangabad Road, Bhopal, 462026, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
| |
Collapse
|
3
|
Skiba M, Vorobyova V. Green synthesis and characterization of silver nanoparticles using Prunus persica L. (peach pomace) with natural deep eutectic solvent and plasma-liquid process. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02274-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
|
4
|
Fereig S, El-Zaafarany GM, Arafa M, Abdel-Mottaleb MMA. Boosting the anti-inflammatory effect of self-assembled hybrid lecithin-chitosan nanoparticles via hybridization with gold nanoparticles for the treatment of psoriasis: elemental mapping and in vivo modeling. Drug Deliv 2022; 29:1726-1742. [PMID: 35635314 PMCID: PMC9176676 DOI: 10.1080/10717544.2022.2081383] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Gold nanoparticles are a promising drug delivery system for treatment of inflammatory skin conditions, including psoriasis, due to their small size and anti-inflammatory properties. The aim of this study was to conjugate gold nanoparticles with anti-psoriatic formulations that previously showed successful results in the treatment of psoriasis (tacrolimus-loaded chitosan nanoparticles and lecithin-chitosan nanoparticles) by virtue of their surface charges, then examine whether the hybridization with gold nanoparticles would enhance the anti-psoriatic efficacy in vivo. Successful formation of gold nanoparticles was examined by elemental mapping and selected area electron diffraction (SAED). Hybrid conjugates were examined in terms of particle size and zeta potential by dynamic light scattering (DLS). Morphological features were captured by transmission electron microscope (TEM) and X-ray diffraction (XRD) analysis was conducted, as well. All characterization was conducted for the conjugated nanoparticles and compared with their bare counterparts. The in vivo results on imiquimod (IMQ)-induced mouse model showed promising anti-psoriatic effects upon application of gold conjugated tacrolimus-loaded lecithin-chitosan hybrid nanoparticles with a significant difference from the bare hybrid nanoparticles in some of the inflammatory markers. The anti-inflammatory effect of the gold conjugate was also evident by a lower spleen to body weight ratio and a better histopathological skin condition compared to other tested formulations.
Collapse
Affiliation(s)
- Salma Fereig
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, The British University in Egypt (BUE), El Shorouk City, Egypt
| | - Ghada M El-Zaafarany
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Mona Arafa
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, The British University in Egypt (BUE), El Shorouk City, Egypt.,Chemotherapeutic Unit, Mansoura University Hospitals, Mansoura, Egypt
| | - Mona M A Abdel-Mottaleb
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| |
Collapse
|
5
|
Xuan LTQ, Nguyen LN, Dao NT. Synthesis of stabilizer-free, homogeneous gold nanoparticles by cold atmospheric-pressure plasma jet and their optical sensing property. NANOTECHNOLOGY 2021; 33:105603. [PMID: 34814120 DOI: 10.1088/1361-6528/ac3c7f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 11/23/2021] [Indexed: 06/13/2023]
Abstract
Recently, cold atmospheric-pressure plasma has been studied extensively as an efficient and green method to synthesize gold nanoparticles (AuNPs). Although the characteristics of the AuNPs, especially their homogeneousness, depend very much on the plasma synthesis parameters, there is a lack of a study involving these parameters systematically. Moreover, most of AuNPs-cold-plasma synthesis reports so far either required organic capping agents or resulted in highly non-uniform AuNPs. In this work, we systematically study the effect of most important synthesis parameters- including distance from the plasma jet to the solution, gas flow rate, plasma frequency, volume and concentration of the precursor, plasma interaction time as well as the effect of the synthesis environment (humidity and temperature)-on the uniformity of the AuNPs. Through various characterization measurements, we show that homogeneous and highly stable intrinsic AuNPs with an average size of 45 nm can be obtained with optimized synthesis parameters and in the absence of a stabilizer. The synthesized AuNPs yield advanced optical sensing properties in comparison with commercial AuNPs and can be further applied in developing versatile and high-sensitivity biosensors.
Collapse
Affiliation(s)
- Le Thi Quynh Xuan
- Laboratory of Plasma Technology, Institute of Materials Sciences (IMS), Vietnam Academy of Science and Technology (VAST), Hanoi, Vietnam
- Graduate University of Science and Technology (GUST), VAST, Vietnam
| | - Linh Nhat Nguyen
- Laboratory of Plasma Technology, Institute of Materials Sciences (IMS), Vietnam Academy of Science and Technology (VAST), Hanoi, Vietnam
| | - Nguyen Thuan Dao
- Laboratory of Plasma Technology, Institute of Materials Sciences (IMS), Vietnam Academy of Science and Technology (VAST), Hanoi, Vietnam
- Graduate University of Science and Technology (GUST), VAST, Vietnam
| |
Collapse
|
6
|
Shepida M, Kuntyi O, Sukhatskiy Y, Mazur A, Sozanskyi M. Microplasma Synthesis of Antibacterial Active Silver Nanoparticles in Sodium Polyacrylate Solutions. Bioinorg Chem Appl 2021; 2021:4465363. [PMID: 34712314 PMCID: PMC8548128 DOI: 10.1155/2021/4465363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 10/04/2021] [Indexed: 11/17/2022] Open
Abstract
The great demand for functional, particularly biologically active, metal nanoparticles has led to the search for technologically effective, green, and controlled methods of synthesizing these metal nanoparticles. Plasma glow discharge is one of the most promising techniques in this direction. The results of studies based on the synthesis of colloidal solutions of stabilized silver nanoparticles (AgNPs) by the microplasma method in solutions of a nontoxic surfactant sodium polyacrylate (NaPA) are presented. It is shown that AgNPs with a size of 2-20 nm are formed in solutions of 0.05-0.2 mmol·L-1 AgNO3 + 5 g·L-1 NaPA at U = 250 V by tungsten cathode plasma glow discharge. At 20°C, the yellow solutions are formed with λ max ≈ 410 nm, which are stable during long-term storage. It was found that the process of AgNPs formation corresponds to a first-order reaction on the AgNO3 concentration. Its value has little effect on the geometry of nanoparticles, so the Ag(I) concentration in solution is one of the main factors influencing the rate of microplasma synthesis of AgNPs. The antimicrobial activity of synthesized AgNPs solutions against strains of Escherichia coli, Staphylococcus aureus, and Candida albicans was established.
Collapse
Affiliation(s)
| | - Orest Kuntyi
- Lviv Polytechnic National University, Lviv 79013, Ukraine
| | | | - Artur Mazur
- Lviv Polytechnic National University, Lviv 79013, Ukraine
| | | |
Collapse
|
7
|
Yamada M, Wahyudiono, Machmudah S, Kanda H, Zhao Y, Goto M. Atmospheric-Pressure Pulsed Discharge Plasma in a Slug Flow Reactor System for the Synthesis of Gold Nanoparticles. ACS OMEGA 2020; 5:17679-17685. [PMID: 32715254 PMCID: PMC7377323 DOI: 10.1021/acsomega.0c02217] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 06/26/2020] [Indexed: 03/30/2024]
Abstract
Gold nanoparticle (AuNP) formation by applying pulsed discharge plasma in the slug flow reactor system was demonstrated. Experiments were carried out continuously at room temperature. The argon gas as a gas phase and the hydrogen tetrachloroaurate(III) tetra hydrate solution containing lysine as a liquid phase simultaneously flowed in the slug flow reactor system. The flow rates of the feed solution and argon gas were kept at 1.5 and 0.2 mL/min, respectively. To generate discharge plasma, the AC power supply with a bipolar pulsed output at 10 kV was applied. The purple color solution product was obtained, and the ultraviolet-visible (UV-vis) spectrophotometer showed that this possessed the absorption light from 510 to 550 nm associated with the existence of gold nanoparticles in each collected sample. Transmission electron microscopy (TEM) revealed that the lysine-capped AuNPs were produced in a spherical morphology and dispersed in aqueous solution products with a diameter of less than 20 nm.
Collapse
Affiliation(s)
- Motoki Yamada
- Department
of Materials Process Engineering, Nagoya
University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
| | - Wahyudiono
- Department
of Materials Process Engineering, Nagoya
University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
| | - Siti Machmudah
- Department
of Chemical Engineering, Sepuluh Nopember
Institute of Technology, Kampus ITS Sukolilo, Surabaya 60111, Indonesia
| | - Hideki Kanda
- Department
of Materials Process Engineering, Nagoya
University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
| | - Yaping Zhao
- School
of Chemistry & Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Motonobu Goto
- Department
of Materials Process Engineering, Nagoya
University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
| |
Collapse
|
8
|
Nanomaterials in Cosmetics: Recent Updates. NANOMATERIALS 2020; 10:nano10050979. [PMID: 32443655 PMCID: PMC7279536 DOI: 10.3390/nano10050979] [Citation(s) in RCA: 115] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 04/27/2020] [Accepted: 05/08/2020] [Indexed: 12/15/2022]
Abstract
This review paper collects the recent updates regarding the use of nanomaterials in cosmetics. Special focus is given to the applications of nanomaterials in the cosmetic industry, their unique features, as well as the advantages of nanoscale ingredients compared to non-nanoscale products. The state-of-the-art practices for physicochemical and toxicological characterization of nanomaterials are also reviewed. Moreover, special focus is given to the current regulations and safety assessments that are currently in place regarding the use of nanomaterials in cosmetics—the new 2019 European guidance for the safety assessment of nanomaterials in cosmetics, together with the new proposed methodologies for the toxicity evaluation of nanomaterials. Concerns over health risks have limited the further incorporation of nanomaterials in cosmetics, and since new nanomaterials may be used in the future by the cosmetic industry, a detailed characterization and risk assessment are needed to fulfill the standard safety requirements.
Collapse
|
9
|
Weerasinghe J, Li W, Zhou R, Zhou R, Gissibl A, Sonar P, Speight R, Vasilev K, Ostrikov K(K. Bactericidal Silver Nanoparticles by Atmospheric Pressure Solution Plasma Processing. NANOMATERIALS 2020; 10:nano10050874. [PMID: 32369954 PMCID: PMC7279381 DOI: 10.3390/nano10050874] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 04/20/2020] [Accepted: 04/22/2020] [Indexed: 01/10/2023]
Abstract
Silver nanoparticles have applications in plasmonics, medicine, catalysis and electronics. We report a simple, cost-effective, facile and reproducible technique to synthesise silver nanoparticles via plasma-induced non-equilibrium liquid chemistry with the absence of a chemical reducing agent. Silver nanoparticles with tuneable sizes from 5.4 to 17.8 nm are synthesised and characterised using Transmission Electron Microscopy (TEM) and other analytic techniques. A mechanism for silver nanoparticle formation is also proposed. The antibacterial activity of the silver nanoparticles was investigated with gram-positive and gram-negative bacteria. The inhibition of both bacteria types was observed. This is a promising alternative method for the instant synthesis of silver nanoparticles, instead of the conventional chemical reduction route, for numerous applications.
Collapse
Affiliation(s)
- Janith Weerasinghe
- School of Chemistry and Physics, Queensland University of Technology, Brisbane 4000, Queensland, Australia; (P.S.); (K.O.)
- Centre for Materials Science, Queensland University of Technology, Brisbane 4000, Queensland, Australia
- Correspondence: ; Tel.: +61-481979488
| | - Wenshao Li
- School of Biology and Environmental Science, Queensland University of Technology, Brisbane 4000, Queensland, Australia; (W.L.); (A.G.); (R.S.)
| | - Rusen Zhou
- School of Mechanical, Medical and Process Engineering, Queensland University of Technology, Brisbane 4000, Queensland, Australia;
| | - Renwu Zhou
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney 2006, New South Wales, Australia;
| | - Alexander Gissibl
- School of Biology and Environmental Science, Queensland University of Technology, Brisbane 4000, Queensland, Australia; (W.L.); (A.G.); (R.S.)
| | - Prashant Sonar
- School of Chemistry and Physics, Queensland University of Technology, Brisbane 4000, Queensland, Australia; (P.S.); (K.O.)
- Centre for Materials Science, Queensland University of Technology, Brisbane 4000, Queensland, Australia
| | - Robert Speight
- School of Biology and Environmental Science, Queensland University of Technology, Brisbane 4000, Queensland, Australia; (W.L.); (A.G.); (R.S.)
| | - Krasimir Vasilev
- School of Engineering, University of South Australia, Adelaide 5001, South Australia, Australia;
| | - Kostya (Ken) Ostrikov
- School of Chemistry and Physics, Queensland University of Technology, Brisbane 4000, Queensland, Australia; (P.S.); (K.O.)
- Centre for Materials Science, Queensland University of Technology, Brisbane 4000, Queensland, Australia
| |
Collapse
|
10
|
Yu F, Di L. Plasma for Energy and Catalytic Nanomaterials. NANOMATERIALS 2020; 10:nano10020333. [PMID: 32075260 PMCID: PMC7075108 DOI: 10.3390/nano10020333] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 02/11/2020] [Accepted: 02/13/2020] [Indexed: 12/27/2022]
Abstract
This Special Issue "Plasma for Energy and Catalytic Nanomaterials" of Nanomaterials is focused on advancements in synthesis and applications of energy and catalytic nanomaterials by plasma [...].
Collapse
Affiliation(s)
- Feng Yu
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, China
- Bingtuan Industrial Technology Research Institute, Shihezi University, Shihezi 832003, China
- Correspondence: (F.Y.); (L.D.); Tel.: +86-0993-205-8775 (F.Y.)
| | - Lanbo Di
- College of Physical Science and Technology, Dalian University, Dalian 116622, China
- Correspondence: (F.Y.); (L.D.); Tel.: +86-0993-205-8775 (F.Y.)
| |
Collapse
|
11
|
Wu T, Kou Y, Zheng H, Lu J, Kadasala NR, Yang S, Guo C, Liu Y, Gao M. A Novel Au@Cu 2O-Ag Ternary Nanocomposite with Highly Efficient Catalytic Performance: Towards Rapid Reduction of Methyl Orange Under Dark Condition. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 10:E48. [PMID: 31878173 PMCID: PMC7023264 DOI: 10.3390/nano10010048] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 12/12/2019] [Accepted: 12/20/2019] [Indexed: 11/16/2022]
Abstract
Au@Cu2O core-shell nanocomposites (NCs) were synthesized by reducing copper nitrate on Au colloids with hydrazine. The thickness of the Cu2O shells could be varied by adjusting the molar ratios of Au: Cu. The results showed that the thickness of Cu2O shells played a crucial role in the catalytic activity of Au@Cu2O NCs under dark condition. The Au@Cu2O-Ag ternary NCs were further prepared by a simple galvanic replacement reaction method. Moreover, the surface features were revealed by TEM, XRD, XPS, and UV-Vis techniques. Compared with Au@Cu2O NCs, the ternary Au@Cu2O-Ag NCs had an excellent catalytic performance. The degradation of methyl orange (MO) catalyzed by Au@Cu2O-Ag NCs was achieved within 4 min. The mechanism study proved that the synergistic effects of Au@Cu2O-Ag NCs and sodium borohydride facilitated the degradation of MO. Hence, the designed Au@Cu2O-Ag NCs with high catalytic efficiency and good stability are expected to be the ideal environmental nanocatalysts for the degradation of dye pollutants in wastewater.
Collapse
Affiliation(s)
- Tong Wu
- College of Physics, Jilin Normal University, Siping 136000, China; (T.W.); (Y.K.); (H.Z.); (J.L.)
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China
| | - Yichuan Kou
- College of Physics, Jilin Normal University, Siping 136000, China; (T.W.); (Y.K.); (H.Z.); (J.L.)
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China
| | - Hui Zheng
- College of Physics, Jilin Normal University, Siping 136000, China; (T.W.); (Y.K.); (H.Z.); (J.L.)
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China
| | - Jianing Lu
- College of Physics, Jilin Normal University, Siping 136000, China; (T.W.); (Y.K.); (H.Z.); (J.L.)
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China
| | | | - Shuo Yang
- Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China; (S.Y.); (C.G.)
| | - Chenzi Guo
- Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China; (S.Y.); (C.G.)
| | - Yang Liu
- College of Physics, Jilin Normal University, Siping 136000, China; (T.W.); (Y.K.); (H.Z.); (J.L.)
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China
| | - Ming Gao
- College of Physics, Jilin Normal University, Siping 136000, China; (T.W.); (Y.K.); (H.Z.); (J.L.)
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China
| |
Collapse
|