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Bouzidi I, Khazri A, Mougin K, Bendhafer W, Abu-Elsaoud AM, Plavan OA, Ali MAM, Plavan G, Özdemir S, Beyrem H, Boufahja F, Sellami B. Doping zinc oxide and titanium dioxide nanoparticles with gold induces additional oxidative stress, membrane damage, and neurotoxicity in Mytilus galloprovincialis: Results from a laboratory bioassay. J Trace Elem Med Biol 2024; 83:127401. [PMID: 38301314 DOI: 10.1016/j.jtemb.2024.127401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/23/2023] [Accepted: 01/25/2024] [Indexed: 02/03/2024]
Abstract
BACKGROUND While previous studies have provided insights into the effects of zinc oxide (ZnO) and titanium dioxide (TiO2) nanoparticles (NPs) on aquatic organisms, there is still a substantial amount of information lacking about the possible effects of their doped counterparts. The goal of the current work was to address this gap by examining Mytilus galloprovincialis reaction to exposure to doped and undoped nanoparticles. METHODS Two concentrations (50 or 100 µg/L) of undoped ZnO and TiO2 NPs, as well as their gold (Au) doped counterparts, were applied on mussels for 14 days, and the effects on biomarkers activities in digestive glands and gills were assessed by spectrophotometry. RESULTS The NPs were quasi-spherical in shape (below 100 nm), stable in seawater, and with no aggregation for both doped and undoped forms. Analytical results using inductively coupled plasma atomic emission spectroscopy indicated the uptake of NPs in mussels. Furthermore, it was found that biometal dyshomeostasis could occur following NP treatment and that doping the NPs aggravated this response. At the biochemical level, exposure to undoped NPs caused membrane damage, neurotoxic effect, and changes in the activities in the gills and digestive glands of superoxide dismutase, catalase, and glutathione-S-transferase, in a concentration and organ-dependent manner. CONCLUSION Doping ZnO NPs and TiO2NPs with Au induced additional oxidative stress, membrane damage, and neurotoxicity in mussels.
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Affiliation(s)
- Imen Bouzidi
- University of Carthage, Faculty of Sciences of Bizerte, LR01ES14 Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, 7021 Zarzouna, Tunisia
| | - Abdelhafidh Khazri
- University of Carthage, Faculty of Sciences of Bizerte, LR01ES14 Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, 7021 Zarzouna, Tunisia
| | - Karine Mougin
- Université de Strasbourg, Université de Haute Alsace, Institut de Science des Matériaux, IS2M CNRS-UMR 7361, 15 Rue Jean Starcky, 68057 Mulhouse, France
| | - Wejden Bendhafer
- University of Carthage, Faculty of Sciences of Bizerte, LR01ES14 Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, 7021 Zarzouna, Tunisia
| | - Abdelghafar M Abu-Elsaoud
- Biology Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia
| | - Oana-Alexandra Plavan
- Department of Environmental Engineering and Management, Faculty of Chemical Engineering and Environmental Protection, "Gheorghe Asachi" Technical University of Iasi, Iasi, Romania
| | - Mohamed A M Ali
- Biology Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia; Department of Biochemistry, Faculty of Science, Ain Shams University, Abbassia, 11566, Cairo, Egypt
| | - Gabriel Plavan
- Department of Biology, Faculty of Biology, "Alexandru Ioan Cuza" University, Bvd. Carol I, No. 20A, 700505 Iasi, Romania
| | - Sadin Özdemir
- Food Processing Programme Technical Science Vocational School Mersin University, TR-33343 Yenisehir, Mersin, Turkey
| | - Hamouda Beyrem
- University of Carthage, Faculty of Sciences of Bizerte, LR01ES14 Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, 7021 Zarzouna, Tunisia
| | - Fehmi Boufahja
- Biology Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia.
| | - Badreddine Sellami
- Institut National des Sciences et Technologies de la Mer, Tabarka, Tunisia
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Shenoy RUK, Rama A, Govindan I, Naha A. The purview of doped nanoparticles: Insights into their biomedical applications. OPENNANO 2022. [DOI: 10.1016/j.onano.2022.100070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Luo J, Pan Y, Liu J, Zhu Y, Shen T, Hu Y. Synthesis, Characterization and Investigation on Synergistic Antibacterial Activity and Cytotoxicity in vitro of Ag-CuSn Nanocolloids. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Mujahid MH, Upadhyay TK, Khan F, Pandey P, Park MN, Sharangi AB, Saeed M, Upadhye VJ, Kim B. Metallic and metal oxide-derived nanohybrid as a tool for biomedical applications. Biomed Pharmacother 2022; 155:113791. [DOI: 10.1016/j.biopha.2022.113791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 09/29/2022] [Accepted: 10/02/2022] [Indexed: 11/02/2022] Open
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Mthana MS, Mthiyane MN, Ekennia AC, Singh M, Onwudiwe DC. Cytotoxicity and antibacterial effects of silver doped zinc oxide nanoparticles prepared using fruit extract of Capsicum Chinense. SCIENTIFIC AFRICAN 2022. [DOI: 10.1016/j.sciaf.2022.e01365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Development of Nanocoated Filaments for 3D Fused Deposition Modeling of Antibacterial and Antioxidant Materials. Polymers (Basel) 2022; 14:polym14132645. [PMID: 35808690 PMCID: PMC9269528 DOI: 10.3390/polym14132645] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 06/16/2022] [Accepted: 06/21/2022] [Indexed: 12/12/2022] Open
Abstract
Three-dimensional (3D) printing is one of the most futuristic manufacturing technologies, allowing on-demand manufacturing of products with highly complex geometries and tunable material properties. Among the different 3D-printing technologies, fused deposition modeling (FDM) is the most popular one due to its affordability, adaptability, and pertinency in many areas, including the biomedical field. Yet, only limited amounts of materials are commercially available for FDM, which hampers their application potential. Polybutylene succinate (PBS) is one of the biocompatible and biodegradable thermoplastics that could be subjected to FDM printing for healthcare applications. However, microbial contamination and the formation of biofilms is a critical issue during direct usage of thermoplastics, including PBS. Herein, we developed a composite filament containing polybutylene succinate (PBS) and lignin for FDM printing. Compared to pure PBS, the PBS/lignin composite with 2.5~3.5% lignin showed better printability and antioxidant and antimicrobial properties. We further coated silver/zinc oxide on the printed graft to enhance their antimicrobial performance and obtain the strain-specific antimicrobial activity. We expect that the developed approach can be used in biomedical applications such as patient-specific orthoses.
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Parvathiraja C, Shailajha S. High-performance visible light photocatalyst antibacterial applications of ZnO and plasmonic-decorated ZnO nanoparticles. APPLIED NANOSCIENCE 2022. [DOI: 10.1007/s13204-022-02488-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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8
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Sharma M, Bassi H, Chauhan P, Thakur P, Chauhan A, Kumar R, Kollarigowda RH, Thakur NK. Inhibition of the bacterial growth as a consequence of synergism of Ag and ZnO: Calendula officinalis mediated green approach for nanoparticles and impact of altitude. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2021.109131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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9
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Wang Y, Hou J, Huang Y, Fu Y. Structure-controlled lignin complex for PLA composites with outstanding antibacterial, fluorescent and photothermal conversion properties. Int J Biol Macromol 2022; 194:1002-1009. [PMID: 34852261 DOI: 10.1016/j.ijbiomac.2021.11.159] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 11/09/2021] [Accepted: 11/23/2021] [Indexed: 11/30/2022]
Abstract
Polylactic acid (PLA) is increasingly being considered as an ideal biodegradable candidate to replace petroleum-based polymers. However, its practical applications are often hampered by the poor mechanical robustness and solo functionality. Herein, based on the mechanical property improvement of PLA we proposed a simple process of assembling lignin-hybridized modifier and PLA matrix, as opposed to the traditional trade-off between mechanical strength and functionality, while anchoring a biofluorescent moiety onto lignin surfaces. Specifically, the fluorophore group could act as interfacial compatibilizer of complex and facilitate the shape-tailored hybrids for promoting functionality flexibility. With the bimetallic hetero-particles, the preferable lignin-assembled complex could be controllably configured as an antibacterial, fluorophore and photothermal agent. Thus, mechanical enhancement, fluorescence introduction and favorable photothermal ability of the resulting PLA composites were successfully achieved for integrated unification of structural robustness, geometric integrity and functional multiplicity, which was never seen in the other reports. The results showed that PLA composites containing 5 wt% modified lignin, 10 wt% zinc oxide, and 5 wt% silver presented excellent mechanical, fluorescent, photothermal conversion properties. By controlling the ZnO content and morphology, strong inhibition of Escherichia coli (Gram-negative) than that of Staphylococcus Aureus (Gram-positive) was also observed. The flake-shaped ZnO /Ag hybrids contributed to better overall performance of PLA composites than the rod-shaped ZnO/Ag. In this work we developed a facile strategy to assemble a bioderived fluorophore with lignin particles for constructing a structure-controlled complex as a multitasking modifier, featuring mechanical unity and functional adaptability. Specifically, the lignin reinforcement and bimetallic hybrids with different morphologies were explored as an effective fluorophore, antibacterial and photothermal agent. Through multiple dehydration reactions, a conjugating fluorophore was successfully grafted on lignin surfaces to serve as an interface modifier without physical changing its structural robustness. And morphology-tailored hybrid was advantageously immobilized on predefined hetero-particle carrier of fluorescent lignin and endowed composites with desirable antimicrobial properties. The developed strategy would expand the functional applications of PLA materials in food packaging, biopharmaceuticals and simple fluorescent anti-counterfeiting.
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Affiliation(s)
- Yongqin Wang
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resource, School of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Jie Hou
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resource, School of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Yangze Huang
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resource, School of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Yu Fu
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resource, School of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China.
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Abstract
This study presents core/shell Ag/SnO2 nanowires (Ag/SnO2NWs) as a new photocatalyst for the rapid degradation of organic compounds by the light from the visible range. AgNWs after coating with a SnO2 shell change optical properties and, due to red shift of the absorbance maxima of the longitudinal and transverse surface plasmon resonance (SPR), modes can be excited by the light from the visible light region. Rhodamine B and malachite green were respectively selected as a model organic dye and toxic one that are present in the environment to study the photodegradation process with a novel one-dimensional metal/semiconductor Ag/SnO2NWs photocatalyst. The degradation was investigated by studying time-dependent UV/Vis absorption of the dye solution, which showed a fast degradation process due to the presence of Ag/SnO2NWs photocatalyst. The rhodamine B and malachite green degraded after 90 and 40 min, respectively, under irradiation at the wavelength of 450 nm. The efficient photocatalytic process is attributed to two phenomenon surface plasmon resonance effects of AgNWs, which allowed light absorption from the visible range, and charge separations on the Ag core and SnO2 shell interface of the nanowires which prevents recombination of photogenerated electron-hole pairs. The presented properties of Ag/SnO2NWs can be used for designing efficient and fast photodegradation systems to remove organic pollutants under solar light without applying any external sources of irradiation.
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Synthesis of Polymer Nanospheres Conjugated Ce (IV) Complexes for Constructing Double Antibacterial Centers. J Inorg Organomet Polym Mater 2021. [DOI: 10.1007/s10904-021-02165-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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12
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Chidambaram S, Ganesan MK, Sivakumar M, Pandiaraj S, Muthuramamoorthy M, Basavarajappa S, Abdullah Al-Kheraif A, Aruna Kumari ML, Grace AN. Au integrated 2D ZnO heterostructures as robust visible light photocatalysts. CHEMOSPHERE 2021; 280:130594. [PMID: 33962298 DOI: 10.1016/j.chemosphere.2021.130594] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 04/05/2021] [Accepted: 04/12/2021] [Indexed: 06/12/2023]
Abstract
Integration of semiconducting nanostructures with noble metal nanoparticles are turning highly desirable for cost efficient energy and environmental related applications. From this viewpoint, we report on a facile aqueous synthesis of polymer capped gold (Au) nanoparticles on free standing 2D layered structures of zinc oxide (ZnO) to result with ZnO/Au nanocomposites. Concentration of Au nanoparticles were observed to promote the preferential growth of ZnO along the (002) wurtzite plane. The ZnO/Au structures and their morphological dissemination was noted to be of few. This flake like structure was also noted to be greatly influenced by the concentration of Au in the colloidal blend. Optical band edge transformations noted in the absorption spectra across the lower wavelength region and the shift in surface plasmon resonance (SPR) towards the red region of the visible spectrum signify the improved absorptivity of the heterostructures along the visible spectrum. These heterostructures exhibited remarkable visible light driven photocatalytic activity (99% efficiency) on par with pristine ZnO. The findings also attest this new class of composite structures to open up new openings in diversified solar energy conversion related functions.
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Affiliation(s)
- Siva Chidambaram
- Division of Nanoscience and Technology, Anna University-BIT Campus, Tiruchirappalli, 620024, India; Department of Physics and Nanotechnology, College Engineering and Technology, SRM Institute of Science and Technology, SRM Nagar, Kattankulathur, 603 203, Chengalpattu, Tamilnadu, India
| | - Mohan Kumar Ganesan
- Quantum-Functional Semiconductor Research Center (QSRC), South Korea; Nano-Information Technology Academy (NITA), Dongguk University, Seoul, South Korea.
| | - Muthusamy Sivakumar
- Division of Nanoscience and Technology, Anna University-BIT Campus, Tiruchirappalli, 620024, India.
| | - Saravanan Pandiaraj
- Department of Self Development Skills, CFY Deanship, King Saud University, Riyadh, Saudi Arabia.
| | | | - Santhosh Basavarajappa
- Dental Biomaterials Research Chair, Dental Health Department, College of Applied Medical Sciences, King Saud University, P.O. Box: 10219, Riyadh 11433, Saudi Arabia
| | - Abdulaziz Abdullah Al-Kheraif
- Dental Biomaterials Research Chair, Dental Health Department, College of Applied Medical Sciences, King Saud University, P.O. Box: 10219, Riyadh 11433, Saudi Arabia
| | - M L Aruna Kumari
- Department of Chemistry, Ramaiah College of Arts, Science and Commerce, Bengaluru, 560054, India
| | - Andrews Nirmala Grace
- Centre for Nanotechnology Research, Vellore Institute of Technology, Vellore, 632014, Tamil Nadu, India
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Lan S, Zhang J, Li J, Guo Y, Sheng X, Dong A. An N-Halamine/Graphene Oxide-Functionalized Electrospun Polymer Membrane That Inactivates Bacteria on Contact and by Releasing Active Chlorine. Polymers (Basel) 2021; 13:polym13162784. [PMID: 34451322 PMCID: PMC8400313 DOI: 10.3390/polym13162784] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 07/18/2021] [Accepted: 07/23/2021] [Indexed: 11/16/2022] Open
Abstract
The emergence of antibiotic-resistant "superbugs" in recent decades has led to widespread illness and death and is a major ongoing public health issue. Since traditional antimicrobials and antibiotics are in many cases showing limited or no effectiveness in fighting some emerging pathogens, there is an urgent need to develop and explore novel antibacterial agents that are both powerful and reliable. Combining two or more antibiotics or antimicrobials has become a hot topic in antibacterial research. In this contribution, we report on using a simple electrospinning technique to create an N-halamine/graphene oxide-modified polymer membrane with excellent antibacterial activity. With the assistance of advanced techniques, the as-obtained membrane was characterized in terms of its chemical composition, morphology, size, and the presence of active chlorine. Its antibacterial properties were tested with Escherichia coli (E. coli) as the model bacteria, using the colony-counting method. Interestingly, the final N-halamine/graphene oxide-based antibacterial fibrous membrane inactivated E. coli both on contact and by releasing active chlorine. We believe that the synergistic antimicrobial action of our as-fabricated fibrous membrane should have great potential for utilization in water disinfection, air purification, medical and healthcare products, textile products, and other antibacterial-associated fields.
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Affiliation(s)
- Shi Lan
- College of Science, Inner Mongolia Agricultural University, Hohhot 010018, China; (S.L.); (J.Z.); (J.L.); (Y.G.)
| | - Jinghua Zhang
- College of Science, Inner Mongolia Agricultural University, Hohhot 010018, China; (S.L.); (J.Z.); (J.L.); (Y.G.)
| | - Jie Li
- College of Science, Inner Mongolia Agricultural University, Hohhot 010018, China; (S.L.); (J.Z.); (J.L.); (Y.G.)
| | - Yanan Guo
- College of Science, Inner Mongolia Agricultural University, Hohhot 010018, China; (S.L.); (J.Z.); (J.L.); (Y.G.)
| | - Xianliang Sheng
- College of Science, Inner Mongolia Agricultural University, Hohhot 010018, China; (S.L.); (J.Z.); (J.L.); (Y.G.)
- Correspondence: (X.S.); (A.D.)
| | - Alideertu Dong
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, China
- Correspondence: (X.S.); (A.D.)
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Dong X, Du Y, Zhao G, Cao W, Fan D, Kuang X, Wei Q, Ju H. Dual-signal electrochemiluminescence immunosensor for Neuron-specific enolase detection based on "dual-potential" emitter Ru(bpy) 32+ functionalized zinc-based metal-organic frameworks. Biosens Bioelectron 2021; 192:113505. [PMID: 34298497 DOI: 10.1016/j.bios.2021.113505] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 07/12/2021] [Indexed: 11/29/2022]
Abstract
Neuron-specific enolase (NSE) is the preferred marker for monitoring small cell lung cancer and neuroblastoma. We devised a dual-signal ratiometric electrochemiluminescence (ECL) sensing strategy for sensitive detection of NSE. In this work, Ru (bpy)32+ functionalized zinc-based metal-organic framework (Ru-MOF-5) nanoflowers (NFs) with plentiful carboxyl groups provide an excellent biocompatible sensing platform for the construction of immunosensor. Importantly, Ru-MOF-5 NFs possess stable and efficient "dual-potential" ECL emission of cathode (-1.5 V) and anode (1.5 V) in the existence of co-reactant K2S2O8. Simultaneously, the cathode ECL emitter ZnO-AgNPs are employed as the secondary antibody marker, whose participation amplify the cathode ECL signal as well attenuate the anode ECL emission of Ru-MOF-5 NFs. By monitoring the ECL dual-signal of -1.5 V and 1.5 V and calculating their ratios, a ratiometric strategy of quantified readout proportional is implemented for the proposed immunosensor to precise analyze NSE. Based on optimization conditions, the ECL immunosensor displays the wide linear range of 0.0001 ng/mL to 200 ng/mL and the minimum detection limit is 0.041 pg/mL. The "dual-potential" ratiometric ECL immunosensor effectively reduces system error or background signal by self-calibration from both emissions and improves detection reliability. The dual-signal ratiometric strategy with satisfactory reproducibility and stability provides further development possibilities for other biomolecular detection and analysis.
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Affiliation(s)
- Xue Dong
- Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, Shandong, China
| | - Yu Du
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection, University of Jinan, Jinan, 250022, Shandong, China
| | - Guanhui Zhao
- Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, Shandong, China
| | - Wei Cao
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection, University of Jinan, Jinan, 250022, Shandong, China
| | - Dawei Fan
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection, University of Jinan, Jinan, 250022, Shandong, China
| | - Xuan Kuang
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection, University of Jinan, Jinan, 250022, Shandong, China
| | - Qin Wei
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection, University of Jinan, Jinan, 250022, Shandong, China.
| | - Huangxian Ju
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection, University of Jinan, Jinan, 250022, Shandong, China; State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China.
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Choudhary S, Vashisht G, Malik R, Dong CL, Chen CL, Kandasami A, Annapoorni S. Photo generated charge transport studies of defects-induced shuttlecock-shaped ZnO/Ag hybrid nanostructures. NANOTECHNOLOGY 2021; 32:305708. [PMID: 33857921 DOI: 10.1088/1361-6528/abf87c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Accepted: 04/15/2021] [Indexed: 06/12/2023]
Abstract
We report the stimulating effects of interfacial charge transfer process between spherical Ag nanoparticles and shuttlecock-shaped ZnO nanostructures observed by UV-visible spectroscopy and x-ray absorption spectroscopy. In specific, ZnO nanorods and shuttlecock-shaped ZnO/Ag nanostructures were developed using a simple chemical colloidal method and characterized for structural variations using XRD. The observed red shift in plasmonic peak and the increase in Urbach energy signify interfacial interactions and increased randomness in the hybrid ZnO/Ag nanostructures. Simultaneously, the enhanced intensity of deep-level emission in the ZnO/Ag hybrid suggests the increased recombination rate of electron-hole pairs. The red and blue emissions evolving with temperature subsequently suggests the presence of oxygen vacancies or zinc interstitials in the system. The decrease in intensities and emerging features in O K-edge and Zn L-edge indicates the charge transfer from Ag to ZnO at the interface of ZnO/Ag hybrids. Moreover, the differences in absorption edges with alternating light on/off conditions were analyzed for the exploitation of this ZnO-based system in various applications.
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Affiliation(s)
- Siddharth Choudhary
- Department of Physics and Astrophysics, University of Delhi, Delhi 110007, India
| | - Garima Vashisht
- Department of Physics and Astrophysics, University of Delhi, Delhi 110007, India
| | - Rakesh Malik
- ARSD College, University of Delhi, Delhi 110021, India
| | - Chung-Li Dong
- Department of Physics, Tamkang University, Tamsui 25137, Taiwan
| | - Chi-Liang Chen
- National Synchrotron Radiation Research Center (NSRRC), Hsinchu 30076, Taiwan
| | - Asokan Kandasami
- Inter-University Accelerator Centre, Aruna Asaf Ali Marg, New Delhi 110067, India
| | - S Annapoorni
- Department of Physics and Astrophysics, University of Delhi, Delhi 110007, India
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Sinulingga K, Sirait M, Siregar N, Abdullah H. Synthesis and characterizations of natural limestone-derived nano-hydroxyapatite (HAp): a comparison study of different metals doped HAps on antibacterial activity. RSC Adv 2021; 11:15896-15904. [PMID: 35481166 PMCID: PMC9030672 DOI: 10.1039/d1ra00308a] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 04/21/2021] [Indexed: 11/22/2022] Open
Abstract
Earth-abundant mineral limestone obtained from North Sumatera, Indonesia, has been utilized to synthesize nano-hydroxyapatite (HAp). Although HAp is biocompatible to the human bone, its antibacterial activity is still very low. Herein, different metal ions (i.e., Ag, Cu, Zn, and Mg) were doped into HAp to improve the antibacterial activity. The as-synthesized HAp was characterized by X-ray ray diffraction (XRD), field-emission scanning electron microscope (FE-SEM), energy disperse spectroscopy (EDS), Fourier transmission infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), and Brunauer–Emmett–Teller (BET). The antibacterial test showed that the performance of HAp to inactivate bacterial growth was significantly improved after incorporating the metal ion dopants into HAp. Ag-HAp exhibited the highest activity toward E. coli and S. aureus with an antibacterial rate of 99.9 ± 0.1%, followed by Zn-HAp, Cu-HAp, and Mg-HAp. Antibacterial activities of different metal ion doped HAp towards (a) E. coli and (b) S. aureus bacteria.![]()
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Affiliation(s)
- Karya Sinulingga
- Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Negeri Medan 20221 Indonesia
| | - Makmur Sirait
- Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Negeri Medan 20221 Indonesia
| | - Nurdin Siregar
- Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Negeri Medan 20221 Indonesia
| | - Hairus Abdullah
- Department of Industrial Engineering, Universitas Prima Indonesia Medan Indonesia
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Owonubi SJ, Ateba CN, Revaprasadu N. Co-assembled ZnO-Fe 2O 3x-CuO x nano-oxide materials for antibacterial protection. PHOSPHORUS SULFUR 2020. [DOI: 10.1080/10426507.2020.1764955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- S. J. Owonubi
- Department of Chemistry, University of Zululand, KwaDlangezwa, KwaZulu-Natal, South Africa
| | - Collins N. Ateba
- Department of Microbiology, Faculty of Natural and Agricultural Sciences, North-West University, Mmabatho, South Africa
| | - Neerish Revaprasadu
- Department of Chemistry, University of Zululand, KwaDlangezwa, KwaZulu-Natal, South Africa
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Hutchings C, Rajasekharan SK, Reifen R, Shemesh M. Mitigating Milk-Associated Bacteria through Inducing Zinc Ions Antibiofilm Activity. Foods 2020; 9:foods9081094. [PMID: 32796547 PMCID: PMC7466369 DOI: 10.3390/foods9081094] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 08/01/2020] [Accepted: 08/06/2020] [Indexed: 12/27/2022] Open
Abstract
Dairy products are a sector heavily impacted by food loss, often due to bacterial contaminations. A major source of contamination is associated with the formation of biofilms by bacterial species adopted to proliferate in milk production environment and onto the surfaces of milk processing equipment. Bacterial cells within the biofilm are characterized by increased resistance to unfavorable environmental conditions and antimicrobial agents. Members of the Bacillus genus are the most commonly found spoilage microorganisms in the dairy environment. It appears that physiological behavior of these species is somehow depended on the availability of bivalent cations in the environment. One of the important cations that may affect the bacterial physiology as well as survivability are Zn2+ ions. Thus, the aim of this study was to examine the antimicrobial effect of Zn2+ ions, intending to elucidate the potential of a zinc-based antibacterial treatment suitable for the dairy industry. The antimicrobial effect of different doses of ZnCl2 was assessed microscopically. In addition, expression of biofilm related genes was evaluated using RT-PCR. Analysis of survival rates following heat treatment was conducted in order to exemplify a possible applicative use of Zn2+ ions. Addition of zinc efficiently inhibited biofilm formation by B. subtilis and further disrupted the biofilm bundles. Expression of matrix related genes was found to be notably downregulated. Microscopic evaluation showed that cell elongation was withheld when cells were grown in the presence of zinc. Finally, B. cereus and B. subtilis cells were more susceptible to heat treatment after being exposed to Zn2+ ions. It is believed that an anti-biofilm activity, expressed in downregulation of genes involved in construction of the extracellular matrix, would account for the higher sensitivity of bacteria during heat pasteurization. Consequently, we suggest that Zn2+ ions can be of used as an effective antimicrobial treatment in various applications in the dairy industry, targeting both biofilms and vegetative bacterial cells.
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Affiliation(s)
- Carmel Hutchings
- Department of Food Science, Institute for Postharvest Technology and Food Sciences, Agricultural Research Organization (ARO), Volcani Center, Rishon LeZion 7505101, Israel; (C.H.); (S.K.R.)
- The Robert H. Smith Faculty of Agriculture, Food and Environment, Institute of Biochemistry, Food Science and Nutrition, The Hebrew University of Jerusalem, Rehovot 7610001, Israel;
| | - Satish Kumar Rajasekharan
- Department of Food Science, Institute for Postharvest Technology and Food Sciences, Agricultural Research Organization (ARO), Volcani Center, Rishon LeZion 7505101, Israel; (C.H.); (S.K.R.)
| | - Ram Reifen
- The Robert H. Smith Faculty of Agriculture, Food and Environment, Institute of Biochemistry, Food Science and Nutrition, The Hebrew University of Jerusalem, Rehovot 7610001, Israel;
| | - Moshe Shemesh
- Department of Food Science, Institute for Postharvest Technology and Food Sciences, Agricultural Research Organization (ARO), Volcani Center, Rishon LeZion 7505101, Israel; (C.H.); (S.K.R.)
- Correspondence: ; Tel.: +972-3-968-3868
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20
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21
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Jain G, Rocks C, Maguire P, Mariotti D. One-step synthesis of strongly confined, defect-free and hydroxy-terminated ZnO quantum dots. NANOTECHNOLOGY 2020; 31:215707. [PMID: 32155133 DOI: 10.1088/1361-6528/ab72b5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
This paper reports the production of strongly confined ligand-free, defect-free, hydroxy-terminated ZnO quantum dots with a mean diameter of 1.9 nm, by radio frequency atmospheric pressure microplasma. Systematic characterization is performed to understand the surface chemistry of ZnO quantum dots. Photoluminescence studies show strong confinement effect on emission with only ultraviolet (UV) emission without any defect-related visible emission. Emission is again tested after eighteen months and confirms the QDs long-term emission stability. The mechanism responsible for this UV emission is also discussed and originates from OH-related surface terminations.
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Affiliation(s)
- Gunisha Jain
- Nanotechnology and Integrated Bioengineering centre, Ulster University, Newtownabbey, United Kingdom
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22
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Manjari G, Saran S, Radhakrishanan S, Rameshkumar P, Pandikumar A, Devipriya SP. Facile green synthesis of Ag-Cu decorated ZnO nanocomposite for effective removal of toxic organic compounds and an efficient detection of nitrite ions. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2020; 262:110282. [PMID: 32090885 DOI: 10.1016/j.jenvman.2020.110282] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 01/24/2020] [Accepted: 02/12/2020] [Indexed: 06/10/2023]
Abstract
A facile and eco-friendly green synthesis of silver-copper@zinc oxide (Ag-Cu@ZnO) nanocomposite using Acacia caesia flower extract and their application on catalytic reduction of toxic compounds and electrochemical sensing of nitrite ions are reported. The phytochemicals present in the extract were utilized for the Ag-Cu metal nanoparticles synthesis and also enhanced the binding capability between ZnO and Ag-Cu NPs. The synthesized nanocomposites were characterized by XRD, UV-Vis spectroscopy, Raman spectra, FTIR, SEM, TEM, EDX, XPS and ICP-AES for the formation of Ag-Cu NPs on ZnO. The Ag-Cu@ZnO nanocomposite showed better catalytic efficiency as compared to monometallic nanoparticles for 4-nitrophenol to 4-aminophenol conversion and Rhodamine B and Congo red dye degradation with 99% efficiency up to four cycles. The Ag-Cu@ZnO modified GC electrode showed enhanced catalytic activity towards nitrite oxidation, and it exhibited better performance compared to the other nanocomposites. An appreciable detection limit (17 μM) was achieved with excellent sensitivity for nitrite detection. The sensor was highly selective even in a many-fold higher concentration of co-existing interfering compounds. The good catalytic and electrochemical sensing is mainly ascribed due to the synergistic effect of Ag-Cu on the ZnO in the Ag-Cu@ZnO nanocomposite materials.
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Affiliation(s)
- G Manjari
- Department of Ecology and Environmental Sciences, Pondicherry University, Puducherry, 605014, India
| | - S Saran
- Department of Ecology and Environmental Sciences, Pondicherry University, Puducherry, 605014, India
| | - S Radhakrishanan
- Electrodics and Electrocatalysis Division, CSIR-Central Electrochemical Research Institute, Karaikudi, 630006, India
| | - P Rameshkumar
- Department of Chemistry, Kalasalingam University (Kalasalingam Academy of Research and Education), Krishnankoil, 626126, India
| | - A Pandikumar
- Functional Materials Division, CSIR-Central Electrochemical Research Institute, Karaikudi, 630003, India
| | - Suja P Devipriya
- Department of Ecology and Environmental Sciences, Pondicherry University, Puducherry, 605014, India.
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23
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Man E, Hoskins C. Towards advanced wound regeneration. Eur J Pharm Sci 2020; 149:105360. [PMID: 32361177 DOI: 10.1016/j.ejps.2020.105360] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 04/22/2020] [Accepted: 04/22/2020] [Indexed: 12/12/2022]
Abstract
Wound management is a major contributor towards the economic burden placed upon the national health service (NHS), serving as an important target for the development of advanced therapeutic interventions. The economic expenditure of wound care for the NHS exceeds £5 billion per annum, thus presenting a significant opportunity for the introduction of alternative treatments in regards to their approach in tackling the ever increasing prevalence of wound management associated problems. As most wounds typically fall under the acute or chronic category, it is therefore necessary to design a therapeutic intervention capable of effectively resolving the pathologies associated with each problem. Such an intervention should be of increased economic viability and therapeutic effectiveness when compared to standardized treatments, thus helping to alleviate the financial burden imposed upon the NHS. The purpose of this review is to critically analyse the various aspects associated with wound management, detailing the fundamental concepts of dermal regeneration, whilst also providing an evaluation of the different materials and methods that can be utilised to achieve maximal wound regeneration. The primary aspects of this review revolve around the three concepts of antibacterial methodology, enhancement of dermal regeneration and the utilisation of a carrier medium to facilitate the regenerative process. Each aspect is explored, conveying its justifications as a target for dermal regeneration, whilst offering various solutions towards the fulfilment of a therapeutic design that is both effective and financially feasible.
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Affiliation(s)
- Ernest Man
- Department of Pure and Applied Chemistry, Faculty of Science, University of Strathclyde, Glasgow, Scotland, G1 1RD, United Kingdom
| | - Clare Hoskins
- Department of Pure and Applied Chemistry, Faculty of Science, University of Strathclyde, Glasgow, Scotland, G1 1RD, United Kingdom.
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24
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Huang J, Huang G, An C, Xin X, Chen X, Zhao Y, Feng R, Xiong W. Exploring the use of ceramic disk filter coated with Ag/ZnO nanocomposites as an innovative approach for removing Escherichia coli from household drinking water. CHEMOSPHERE 2020; 245:125545. [PMID: 31864067 DOI: 10.1016/j.chemosphere.2019.125545] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 12/02/2019] [Accepted: 12/03/2019] [Indexed: 06/10/2023]
Abstract
Ceramic water filter is suitable for low-income families and rural communities in developing countries to obtain safe drinking water because of its low cost and good performance. As an innovative effort, the ceramic disk filter coated with Ag/ZnO nanocomposites (AZ-CDF) was proposed in this study. The manufacture of AZ-CDFs was optimized by experiments based on the Box-Behnken design. The results of thermal field emission scanning electron microscopy (TFE-SEM) and very powerful elemental and structural probe employing radiation from a synchrotron (VESPERS) indicated that Ag/ZnO nanocomposites were mainly distributed on the upper surface of AZ-CDF. The antibacterial activity of AZ-CDF was investigated by detecting the variation of cell status and intracellular reactive oxygen species during a period of time using flow cytometry. Both non-photocatalytic and photocatalytic antibacterial activities of Ag/ZnO nanocomposite contributed to the bacterial reduction property of AZ-CDF. During filtration, the initial Escherichia coli (E. coli) concentration and illumination intensity also influenced the E. coli removal performance of AZ-CDF. When the light illumination intensity was 7000 Lux, AZ-CDF was appropriate to treat the water contaminated by E. coli concentration of less than 103 cfu/mL. Increasing illumination intensity resulted in the improvement of E. coli removal performance of AZ-CDF. It was concluded the main mechanisms for the E. coli removal of AZ-CDF were filtration, non-photocatalytic and photocatalytic antibacterial activities.
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Affiliation(s)
- Jing Huang
- Institute for Energy, Environment and Sustainable Communities, University of Regina, Regina, S4S 0A2, Canada; MOE Key Laboratory of Resources and Environmental Systems Optimization, North China Electric Power University, Beijing, 102206, China
| | - Guohe Huang
- Institute for Energy, Environment and Sustainable Communities, University of Regina, Regina, S4S 0A2, Canada.
| | - Chunjiang An
- Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, H3G 1M8, Canada
| | - Xiaying Xin
- Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John's, A1B 3X5, Canada
| | - Xiujuan Chen
- Institute for Energy, Environment and Sustainable Communities, University of Regina, Regina, S4S 0A2, Canada
| | - Yanyun Zhao
- MOE Key Laboratory of Resources and Environmental Systems Optimization, North China Electric Power University, Beijing, 102206, China
| | - Renfei Feng
- Canadian Light Source, Saskatoon, Saskatchewan, S7N 2 V3, Canada
| | - Wenhui Xiong
- Stantec Consulting Ltd, Saskatoon, S7K 0K3, Canada
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25
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Preparation and antimicrobial activity of ZnO-NPs coated cotton/starch and their functionalized ZnO-Ag/cotton and Zn(II) curcumin/cotton materials. Sci Rep 2020; 10:5410. [PMID: 32214118 PMCID: PMC7096510 DOI: 10.1038/s41598-020-61306-6] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 02/19/2020] [Indexed: 11/11/2022] Open
Abstract
ZnO-NPs coated cotton or starched cotton fibers were successfully prepared via ultrasound irradiation. Different concentrations of soluble corn starch (1–3 starch wt.%) were used to stabilize ZnO-NPs onto the surface of cotton fabrics as entrapped species. The use of none-toxic biocompatible starch has improved the adhesion properties of the cotton fibers towards ZnO-NPs. This also enhanced the durability of ZnO-NPs onto the cotton fabrics and decreased their leaching from the surface of cotton fabrics. When 3 starch wt.% solution was used, deposition of ZnO-NP increased by 53% after 10 washing cycles. The antibacterial activity against Staphylococcus aureus and Escherichia coli increased by 50 and 21.5%, respectively. Functionalization of ZnO coated cotton with silver nanoparticles (Ag-NPs) and curcumin results in formation of ZnO-Ag/cotton and Zn(II) curcumin/cotton composites. The functionalized nanocomposites ZnO-Ag coated cotton material showed a synergistic antimicrobial behavior than that of individual ZnO/cotton material. The Zn(II) curcumin complex coated cotton showed higher antibacterial activities against both Staphylococcus aureus (Gram-positive) and Escherichia coli (Gram-negative) bacteria than that of the ZnO/cotton material.
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26
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Naskar A, Lee S, Kim KS. Easy One-Pot Low-Temperature Synthesized Ag-ZnO Nanoparticles and Their Activity Against Clinical Isolates of Methicillin-Resistant Staphylococcus aureus. Front Bioeng Biotechnol 2020; 8:216. [PMID: 32266243 PMCID: PMC7096348 DOI: 10.3389/fbioe.2020.00216] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Accepted: 03/03/2020] [Indexed: 11/13/2022] Open
Abstract
Antimicrobial resistance (AMR) is widely acknowledged as a global health problem, yet the available solutions to this problem are limited. Nanomaterials can be used as potential nanoweapons to fight against this problem. In this study, we report an easy one-pot low-temperature synthesis of Ag-ZnO nanoparticles (AZO NPs) and their targeted antibacterial activity against methicillin-resistant Staphylococcus aureus (MRSA) strains. The physical properties of the samples were characterized by X-ray diffractometry (XRD), transmission electron microscopy (TEM), and X-ray photoelectron spectroscopy (XPS). Furthermore, minimum inhibitory concentration (MIC), zone of inhibition (ZOI), and scanning electron microscopy (SEM) images for morphological characterization of bacteria were assessed to evaluate the antibacterial activity of AZO NPs against both Gram-negative [Escherichia coli (E. coli) and Acinetobacter baumannii (A. baumannii) standard and AMR strains] and Gram-positive (S. aureus, MRSA3, and MRSA6) bacteria. The AZO NPs showed comparatively better antibacterial activity against S. aureus and MRSA strains than Gram-negative bacterial strains. This cost-effective and simple synthesis strategy can be used for the development of other metal oxide nanoparticles, and the synthesized nanomaterials can be potentially used to fight against MRSA.
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Affiliation(s)
| | | | - Kwang-sun Kim
- Laboratory of RNA Biochemistry & Superbacteria Research, Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan, South Korea
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27
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Trang TNQ, Phan TB, Nam ND, Thu VTH. In Situ Charge Transfer at the Ag@ZnO Photoelectrochemical Interface toward the High Photocatalytic Performance of H 2 Evolution and RhB Degradation. ACS APPLIED MATERIALS & INTERFACES 2020; 12:12195-12206. [PMID: 32013392 DOI: 10.1021/acsami.9b15578] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Designing an efficient hybrid structure photocatalyst for photocatalytic decomposition and hydrogen (H2) evolution has been considered a great choice to develop renewable technologies for clean energy production and environmental remediation. Enhanced charge transfer (CT) based on the interaction between a noble metal and a semiconductor is a crucial factor influencing the movement of photogenerated electron-hole pairs. Herein, we focus on the recent advances related to plasmon-enhanced noble metals and the semiconductor nature to drive the photocatalytic H2 production and photodegradation of the organic dye rhodamine B (RhB) under UV and visible light irradiation. Specifically, the combination of concerted catalysis and green nanoengineering strategies to design ZnO-based composite photocatalysts and their decoration with metallic Ag have been realized by the radio frequency (RF) sputtering technique at room temperature. This simultaneity enhances the interface coupling between Ag and ZnO and reduces the energy threshold. The creation of charge transfer in the heterojunction and Schottky barrier changes the photoelectronic properties of the as-synthesized Al-doped ZnO (AZO); afterward, these effects promote the migration, transportation, and separation of photoinduced charge carriers and enhance the light-harvesting efficiency. As a result, the as-synthesized AZO-20 hybrid nanostructure exhibits a photocurrent density of 2.5 mA/cm2 vs Ag/AgCl, which is improved by almost 12 times compared with that of bare ZnO (0.2 mA/cm2). The hydrogen evolution rates of AZO-20 were ∼38 and ∼24 μmol/h under UV and visible light exposure, which are almost five- and tenfold higher than those of pristine ZnO, respectively. Additionally, the RhB degradation efficacies of the obtained AZO-20 were greater than almost 97 and 82% under UV and visible light illumination, respectively. The achieved apparent rate constant for the photocatalytic RhB decomposition was 0.014 min-1, indicating that it is 14-fold than that in pristine ZnO (0.001 min-1). Heterostructure AZO photocatalysts possess excellent practical stability in the water-splitting reaction and photocatalytic RhB decomposition, posing as promising candidates in practical works for pollution and energy challenges.
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Affiliation(s)
- Ton Nu Quynh Trang
- Faculty of Physics and Physics Engineering, University of Science, 227 Nguyen Van Cu Street, District 5, Ho Chi Minh City 700000, Vietnam
- Vietnam National University, Ho Chi Minh City 700000, Vietnam
| | - Thang Bach Phan
- Vietnam National University, Ho Chi Minh City 700000, Vietnam
- Center for Innovative Materials and Architectures, Ho Chi Minh City 700000, Vietnam
| | - Nguyen Dang Nam
- Future Materials & Devices Laboratory, Institute of Fundamental and Applied Sciences, Duy Tan University (DTU), Ho Chi Minh City 700000, Vietnam
| | - Vu Thi Hanh Thu
- Faculty of Physics and Physics Engineering, University of Science, 227 Nguyen Van Cu Street, District 5, Ho Chi Minh City 700000, Vietnam
- Vietnam National University, Ho Chi Minh City 700000, Vietnam
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28
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Carrouel F, Viennot S, Ottolenghi L, Gaillard C, Bourgeois D. Nanoparticles as Anti-Microbial, Anti-Inflammatory, and Remineralizing Agents in Oral Care Cosmetics: A Review of the Current Situation. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E140. [PMID: 31941021 PMCID: PMC7022934 DOI: 10.3390/nano10010140] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 12/22/2019] [Accepted: 01/10/2020] [Indexed: 12/29/2022]
Abstract
Many investigations have pointed out widespread use of medical nanosystems in various domains of dentistry such as prevention, prognosis, care, tissue regeneration, and restoration. The progress of oral medicine nanosystems for individual prophylaxis is significant for ensuring bacterial symbiosis and high-quality oral health. Nanomaterials in oral cosmetics are used in toothpaste and other mouthwash to improve oral healthcare performance. These processes cover nanoparticles and nanoparticle-based materials, especially domains of application related to biofilm management in cariology and periodontology. Likewise, nanoparticles have been integrated in diverse cosmetic produces for the care of enamel remineralization and dental hypersensitivity. This review summarizes the indications and applications of several widely employed nanoparticles in oral cosmetics, and describes the potential clinical implementation of nanoparticles as anti-microbial, anti-inflammatory, and remineralizing agents in the prevention of dental caries, hypersensitivity, and periodontitis.
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Affiliation(s)
- Florence Carrouel
- Laboratory “Systemic Health Care”, University of Lyon, University Claude Bernard Lyon 1, EA4129, 69008 Lyon, France; (S.V.); (D.B.)
| | - Stephane Viennot
- Laboratory “Systemic Health Care”, University of Lyon, University Claude Bernard Lyon 1, EA4129, 69008 Lyon, France; (S.V.); (D.B.)
| | - Livia Ottolenghi
- Department of Oral and Maxillo-facial Sciences, Sapienza University of Rome, 00185 Rome, Italy;
| | - Cedric Gaillard
- Institut national de Recherche en Agriculture, Alimentation et Environnement (INRAE), Unité de Recherche 1268 Biopolymères Interactions Assemblages (BIA), 44316 Nantes, France;
| | - Denis Bourgeois
- Laboratory “Systemic Health Care”, University of Lyon, University Claude Bernard Lyon 1, EA4129, 69008 Lyon, France; (S.V.); (D.B.)
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29
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Mapukata S, Nyokong T. Development of phthalocyanine functionalised TiO2 and ZnO nanofibers for photodegradation of methyl orange. NEW J CHEM 2020. [DOI: 10.1039/d0nj03326j] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Due to their wide band gaps the use of semiconductor based catalysts for water purification is limited, hence in this work phthalocyanine functionalised TiO2 and ZnO nanofibers were employed for efficient degradation of organic pollutants.
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Affiliation(s)
- Sivuyisiwe Mapukata
- Institute for Nanotechnology Innovation
- Department of Chemistry
- Rhodes University
- Makhanda 6140
- South Africa
| | - Tebello Nyokong
- Institute for Nanotechnology Innovation
- Department of Chemistry
- Rhodes University
- Makhanda 6140
- South Africa
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30
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Wang Y, Shi L, Wu H, Li Q, Hu W, Zhang Z, Huang L, Zhang J, Chen D, Deng S, Tan S, Jiang Z. Graphene Oxide-IPDI-Ag/ZnO@Hydroxypropyl Cellulose Nanocomposite Films for Biological Wound-Dressing Applications. ACS OMEGA 2019; 4:15373-15381. [PMID: 31572836 PMCID: PMC6761609 DOI: 10.1021/acsomega.9b01291] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Accepted: 08/30/2019] [Indexed: 06/10/2023]
Abstract
In this work, we proposed a feasible approach to prepare multifunctional composite films by introducing a nanoscaled filler into a polymer matrix. Specifically, thanks to isophorone diisocyanate (IPDI) acting as a coupling agent, the hydroxyl groups and carboxyl groups on the surface of graphene oxide (GO) and the hydroxyl groups on the surface of silver-coated zinc oxide nanoparticles (Ag/ZnO) are covalently grafted, forming GO-IPDI-Ag/ZnO (AGO). The prepared AGO was then introduced into the hydroxypropyl cellulose (HPC) matrix to form AGO@HPC nanocomposite films by solution blending. AGO@HPC nanocomposite films exhibited improved mechanical, anti-ultraviolet, and antibacterial properties. Specifically, a tensile test showed that the tensile strength of the prepared AGO@HPC nanocomposite film with the addition of as low as 0.5 wt % AGO was increased by about 16.2% compared with that of the pure HPC film. In addition, AGO@HPC nanocomposite films showed a strong ultraviolet resistance and could effectively inactivate both Gram-negative (Escherichia coli) and Gram-positive (Staphylococcus aureus) bacteria at a low loading of AGO, and rapid sterilization plays a crucial role in wound-healing. In vivo results show that the AGO@HPC release of Ag+ and Zn2+ stimulates the immune function to produce a large number of white blood cells and neutrophils, thereby producing the synergistic antibacterial effects and accelerated wound-healing. Therefore, our results suggest that these novel AGO@HPC nanocomposite films with improved mechanical, anti-ultraviolet, and antibacterial properties could be promising candidates for antibacterial packaging, biological wound-dressing, etc. The abuse of antibiotics has brought about serious drug-resistant bacteria, and our nanofilm antibacterial does not entail such problems. In addition, local administration reduces the possibility of changing the body's immune system and organ toxicity, which greatly increases the safety.
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Affiliation(s)
- Yiwei Wang
- Department
of Microbiology and Immunology, School of Medicine, Jinan University, Guangzhou 510632, China
| | - Liujun Shi
- Guangdong
Engineering & Technology Research Centre of Graphene-Like Materials
and Products, Department of Chemistry, College of Chemistry and Materials
Science, Jinan University, Guangzhou 510632, China
| | - Haoping Wu
- Guangdong
Engineering & Technology Research Centre of Graphene-Like Materials
and Products, Department of Chemistry, College of Chemistry and Materials
Science, Jinan University, Guangzhou 510632, China
| | - Qingyang Li
- Institute
of Clinical Oncology of Jinan University, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510630, China
| | - Wei Hu
- Guangdong
Engineering & Technology Research Centre of Graphene-Like Materials
and Products, Department of Chemistry, College of Chemistry and Materials
Science, Jinan University, Guangzhou 510632, China
| | - Zhenbao Zhang
- Guangdong
Engineering & Technology Research Centre of Graphene-Like Materials
and Products, Department of Chemistry, College of Chemistry and Materials
Science, Jinan University, Guangzhou 510632, China
| | - Langhuan Huang
- Guangdong
Engineering & Technology Research Centre of Graphene-Like Materials
and Products, Department of Chemistry, College of Chemistry and Materials
Science, Jinan University, Guangzhou 510632, China
| | - Jingxian Zhang
- Guangdong
Engineering & Technology Research Centre of Graphene-Like Materials
and Products, Department of Chemistry, College of Chemistry and Materials
Science, Jinan University, Guangzhou 510632, China
| | - Dengjie Chen
- Guangdong
Engineering & Technology Research Centre of Graphene-Like Materials
and Products, Department of Chemistry, College of Chemistry and Materials
Science, Jinan University, Guangzhou 510632, China
| | - Suiping Deng
- Guangdong
Engineering & Technology Research Centre of Graphene-Like Materials
and Products, Department of Chemistry, College of Chemistry and Materials
Science, Jinan University, Guangzhou 510632, China
| | - Shaozao Tan
- Guangdong
Engineering & Technology Research Centre of Graphene-Like Materials
and Products, Department of Chemistry, College of Chemistry and Materials
Science, Jinan University, Guangzhou 510632, China
| | - Zhenyou Jiang
- Department
of Microbiology and Immunology, School of Medicine, Jinan University, Guangzhou 510632, China
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31
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Yu N, Peng H, Qiu L, Wang R, Jiang C, Cai T, Sun Y, Li Y, Xiong H. New pectin-induced green fabrication of Ag@AgCl/ZnO nanocomposites for visible-light triggered antibacterial activity. Int J Biol Macromol 2019; 141:207-217. [PMID: 31479673 DOI: 10.1016/j.ijbiomac.2019.08.257] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 08/21/2019] [Accepted: 08/30/2019] [Indexed: 12/19/2022]
Abstract
The pectin (CEP) was used as matrix material to prepare Ag@AgCl/ZnO nanocomposites with a green method for photocatalytic antibacterial activity in visible-light. Briefly, Ag@AgCl plasmonic hybrids were prepared in the CEP macromolecule matrix with size control, which was attributed to the stability of carboxyl and hydroxyl groups on the CEP. Subsequently, an effective and green two-steps approach was explored for the fabrication of CEP-Ag@AgCl/ZnO nanocomposites with resource saving and environment friendly. Interestingly, more Ag+ was converted into metallic Ag in the CEP-Ag@AgCl/ZnO than that in the CEP-Ag@AgCl. This phenomenon was attributed that the reducibility of free hemiacetal hydroxyl groups on CEP was realized with the help of NaOH in the preparation of CEP-ZnO. In addition, the CEP chains were not obviously destroyed except for the change in the crystallinity after the preparation of the CEP-Ag@AgCl/ZnO nanocomposites, indicating that the method was non-destructive. Moreover, the pH triggered release of Zn2+ and low release of Ag+ in CEP-Ag@AgCl/ZnO nanocomposites with excellent photocatalytic antibacterial activity were confirmed in this work. The proposed green process provides a new idea for the large-scale production of antibacterial pectin-based nanocomposites in industry with a low-cost.
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Affiliation(s)
- Ningxiang Yu
- State Key Laboratory of Food Science and Technology, Nanchang University, No.235 Nanjing East Road, Nanchang 330047, China
| | - Hailong Peng
- State Key Laboratory of Food Science and Technology, Nanchang University, No.235 Nanjing East Road, Nanchang 330047, China; School of Resources, Environmental, and Chemical Engineering, Nanchang University, No.999 Xuefu Avenue, Nanchang 330031, China
| | - Liang Qiu
- Centre for Translational Medicine, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330004, PR China
| | - Ronghui Wang
- Department of Biological and Agricultural Engineering, University of Arkansas, Fayetteville, AR 72701, USA
| | - Chengjia Jiang
- State Key Laboratory of Food Science and Technology, Nanchang University, No.235 Nanjing East Road, Nanchang 330047, China
| | - Taimei Cai
- School of Resources, Environmental, and Chemical Engineering, Nanchang University, No.999 Xuefu Avenue, Nanchang 330031, China
| | - Yong Sun
- State Key Laboratory of Food Science and Technology, Nanchang University, No.235 Nanjing East Road, Nanchang 330047, China
| | - Yanbin Li
- Department of Biological and Agricultural Engineering, University of Arkansas, Fayetteville, AR 72701, USA.
| | - Hua Xiong
- State Key Laboratory of Food Science and Technology, Nanchang University, No.235 Nanjing East Road, Nanchang 330047, China.
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Oualid HA, Amadine O, Essamlali Y, Kadmiri IM, El Arroussi H, Zahouily M. Highly efficient catalytic/sonocatalytic reduction of 4-nitrophenol and antibacterial activity through a bifunctional Ag/ZnO nanohybrid material prepared via a sodium alginate method. NANOSCALE ADVANCES 2019; 1:3151-3163. [PMID: 36133601 PMCID: PMC9417202 DOI: 10.1039/c9na00075e] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 07/01/2019] [Indexed: 06/12/2023]
Abstract
In this work, a bifunctional nanohybrid silver/zinc oxide material (Ag/ZnO) has been synthesized by a rapid route using sodium alginate simultaneously as a sacrificial template and silver reducing agent. The obtained samples were characterized by X-ray diffraction (XRD) and Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), transmission electron microscopy (TEM), solid diffuse reflectance and liquid state UV-visible spectroscopy (DRS, UV-visible), and nitrogen adsorption-desorption analysis (BET-BJH). The XRD patterns showed that the Ag/ZnO sample is composed of a hexagonal zinc oxide structure with cubic metallic silver (Ag°). SEM micrographs exhibited a porous structure which was confirmed by BET-BJH methods to be mesoporous. The Ag/ZnO material was used as a nanocatalyst in the conversion of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP) as well as an antibacterial agent against Escherichia coli and Staphylococcus aureus. It was found that an efficient 4-NP reduction to 4-AP in the presence of NaBH4 shows a rate constant of 0.418 min-1 under ultrasonic energy and 0.316 min-1 without ultrasonic energy. Both the catalysis reaction and antibacterial activity analysis were conducted in water solution and showed a synergetic effect of metallic silver loading.
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Affiliation(s)
- Hicham Abou Oualid
- VARENA Center, MAScIR Foundation Rabat Design, Rue Mohamed El Jazouli, Madinat El Irfane 10100-Rabat Morocco +212661416359
- Laboratoire de Matériaux, Catalyse et Valorisation des Ressources Naturelles, URAC 24, FST, Université Hassan II-Casablanca BP, 146 20650 Morocco
| | - Othmane Amadine
- VARENA Center, MAScIR Foundation Rabat Design, Rue Mohamed El Jazouli, Madinat El Irfane 10100-Rabat Morocco +212661416359
| | - Younes Essamlali
- VARENA Center, MAScIR Foundation Rabat Design, Rue Mohamed El Jazouli, Madinat El Irfane 10100-Rabat Morocco +212661416359
| | - Issam Meftah Kadmiri
- Green Biotechnology Center, Moroccan Foundation for Advanced Science, Innovation and Research, Rabat Design Center Rabat Morocco
| | - Hicham El Arroussi
- Green Biotechnology Center, Moroccan Foundation for Advanced Science, Innovation and Research, Rabat Design Center Rabat Morocco
| | - Mohamed Zahouily
- VARENA Center, MAScIR Foundation Rabat Design, Rue Mohamed El Jazouli, Madinat El Irfane 10100-Rabat Morocco +212661416359
- Laboratoire de Matériaux, Catalyse et Valorisation des Ressources Naturelles, URAC 24, FST, Université Hassan II-Casablanca BP, 146 20650 Morocco
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Novel Green Biomimetic Approach for Synthesis of ZnO-Ag Nanocomposite; Antimicrobial Activity against Food-borne Pathogen, Biocompatibility and Solar Photocatalysis. Sci Rep 2019; 9:8303. [PMID: 31165752 PMCID: PMC6549174 DOI: 10.1038/s41598-019-44309-w] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Accepted: 04/23/2019] [Indexed: 11/22/2022] Open
Abstract
A simple, eco-friendly, and biomimetic approach using Thymus vulgaris (T. vulgaris) leaf extract was developed for the formation of ZnO-Ag nanocomposites (NCs) without employing any stabilizer and a chemical surfactant. T. vulgaris leaf extract was used for the first time, in a novel approach, for green fabrication of ZnO-Ag NCs as a size based reducing agent via the hydrothermal method in a single step. Presence of phenols in T. vulgaris leaf extract has served as both reducing and capping agents that play a critical role in the production of ZnO-Ag NCs. The effect of silver nitrate concentration in the formation of ZnO-Ag NCs was studied. The in-vitro Antimicrobial activity of NCs displayed high antimicrobial potency on selective gram negative and positive foodborne pathogens. Antioxidant activity of ZnO-Ag NCs was evaluated via (2,2-diphenyl-1-picrylhydrazyl) DPPH method. Photocatalytic performance of ZnO-Ag NCs was appraised by degradation of phenol under natural sunlight, which exhibited efficient photocatalytic activity on phenol. Cytotoxicity of the NCs was evaluated using the haemolysis assay. Results of this study reveal that T. vulgaris leaf extract, containing phytochemicals, possess reducing property for ZnO-Ag NCs fabrication and the obtained ZnO-Ag NCs could be employed effectively for biological applications in food science. Therefore, the present study offers a promising way to achieve high-efficiency photocatalysis based on the hybrid structure of semiconductor/metal.
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Ding W, Zhao L, Yan H, Wang X, Liu X, Zhang X, Huang X, Hang R, Wang Y, Yao X, Tang B. Bovine serum albumin assisted synthesis of Ag/Ag2O/ZnO photocatalyst with enhanced photocatalytic activity under visible light. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.02.015] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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35
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New Composite Nanomaterials with Antimicrobial and Photocatalytic Properties Based on Silver and Zinc Oxide. J Inorg Organomet Polym Mater 2019. [DOI: 10.1007/s10904-019-01166-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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36
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Tang S, Wang Z, Li W, Li M, Deng Q, Wang Y, Li C, Chu PK. Ecofriendly and Biodegradable Soybean Protein Isolate Films Incorporated with ZnO Nanoparticles for Food Packaging. ACS APPLIED BIO MATERIALS 2019; 2:2202-2207. [DOI: 10.1021/acsabm.9b00170] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Siying Tang
- Department of Physics and Department of Materials Science and Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Zhe Wang
- Food Science and Processing Research Center, Shenzhen University, Shenzhen 518060, China
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China
| | - Wan Li
- Department of Physics and Department of Materials Science and Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Miao Li
- Food Science and Processing Research Center, Shenzhen University, Shenzhen 518060, China
| | - Qiuhong Deng
- Food Science and Processing Research Center, Shenzhen University, Shenzhen 518060, China
| | - Yi Wang
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China
| | - Chengyong Li
- Shenzhen Institute of Guangdong Ocean University, Shenzhen 518108, China
| | - Paul K. Chu
- Department of Physics and Department of Materials Science and Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China
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Eco-friendly synthesized spherical ZnO materials: Effect of the core-shell to solid morphology transition on antimicrobial activity. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 97:438-450. [DOI: 10.1016/j.msec.2018.12.063] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Revised: 11/11/2018] [Accepted: 12/18/2018] [Indexed: 11/24/2022]
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Shi F, He J, Zhang B, Peng J, Ma Y, Chen W, Li F, Qin Y, Liu Y, Shang W, Tao P, Song C, Deng T, Qian X, Ye J, Wu J. Plasmonic-Enhanced Oxygen Reduction Reaction of Silver/Graphene Electrocatalysts. NANO LETTERS 2019; 19:1371-1378. [PMID: 30620607 DOI: 10.1021/acs.nanolett.8b05053] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Oxygen reduction reaction (ORR) is of paramount importance in polymer electrolyte membrane fuel cells due to its sluggish kinetics. In this work, a plasmon-induced hot electrons enhancement method is introduced to enhance ORR property of the silver (Ag)-based electrocatalysts. Three types of Ag nanostructures with differently localized surface plasmon resonances have been used as electrocatalysts. The thermal effect of plasmonic-enhanced ORR can be minimized in our work by using graphene as the support of Ag nanoparticles. By tuning the resonance positions and laser power, the enhancement of ORR properties of Ag catalysts has been optimized. Among these catalysts, Ag nanotriangles after excitation show the highest mass activity and reach 0.086 mA/μgAg at 0.8 V, which is almost 17 times that of a commercial Pt/C catalyst after the price is accounted. Our results demonstrate that the hot electrons generated from surface plasmon resonance can be utilized for electrochemical reaction, and tuning the resonance positions by light is a promising and viable approach to boost electrochemical reactions.
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Affiliation(s)
- Fenglei Shi
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai 200240 , People's Republic of China
| | - Jing He
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Med-X Engineering Research Center, School of Biomedical Engineering , Shanghai Jiao Tong University , Shanghai 200240 , People's Republic of China
| | - Baiyu Zhang
- Department of Materials Science and Engineering, College of Engineering and College of Science , Texas A&M University , College Station , Texas 77843 , United States
| | - Jiaheng Peng
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai 200240 , People's Republic of China
| | - Yanling Ma
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai 200240 , People's Republic of China
| | - Wenlong Chen
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai 200240 , People's Republic of China
| | - Fan Li
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai 200240 , People's Republic of China
| | - Yong Qin
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai 200240 , People's Republic of China
| | - Yang Liu
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai 200240 , People's Republic of China
| | - Wen Shang
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai 200240 , People's Republic of China
| | - Peng Tao
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai 200240 , People's Republic of China
| | - Chengyi Song
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai 200240 , People's Republic of China
| | - Tao Deng
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai 200240 , People's Republic of China
- Center of Hydrogen Science , Shanghai Jiao Tong University , Shanghai 200240 , People's Republic of China
| | - Xiaofeng Qian
- Department of Materials Science and Engineering, College of Engineering and College of Science , Texas A&M University , College Station , Texas 77843 , United States
| | - Jian Ye
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Med-X Engineering Research Center, School of Biomedical Engineering , Shanghai Jiao Tong University , Shanghai 200240 , People's Republic of China
- Shanghai Key Laboratory of Gynecologic Oncology, Ren Ji Hospital, School of Medicine , Shanghai Jiao Tong University , Shanghai 200240 , People's Republic of China
| | - Jianbo Wu
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering , Shanghai Jiao Tong University , 800 Dongchuan Rd , Shanghai 200240 , People's Republic of China
- Materials Genome Initiative Center , Shanghai Jiao Tong University , Shanghai 200240 , People's Republic of China
- Center of Hydrogen Science , Shanghai Jiao Tong University , Shanghai 200240 , People's Republic of China
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39
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Titanium dioxide and modified titanium dioxide by silver nanoparticles as an anti biofilm filler content for composite resins. Dent Mater 2019; 35:e36-e46. [DOI: 10.1016/j.dental.2018.11.002] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2018] [Revised: 07/09/2018] [Accepted: 11/01/2018] [Indexed: 01/09/2023]
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Yin L, Fu Z, Li Y, Liu B, Lin Z, Lu J, Chen X, Han X, Deng Y, Hu W, Zou D, Zhong C. Enhanced antibacterial properties of biocompatible titanium via electrochemically deposited Ag/TiO2 nanotubes and chitosan–gelatin–Ag–ZnO complex coating. RSC Adv 2019; 9:4521-4529. [PMID: 35520209 PMCID: PMC9060590 DOI: 10.1039/c8ra07682k] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2018] [Accepted: 01/25/2019] [Indexed: 12/02/2022] Open
Abstract
A novel double-layered antibacterial coating was fabricated on pure titanium (Ti) via a simple three-step electrodeposition process. Scanning electronic microscopy (SEM) images show that the coating was constructed with the inner layer of TiO2 nanotubes doped with silver nanoparticles (TNTs/Ag) and the outer layer of chitosan–gelatin mixture with zinc oxide and silver nanoparticles (CS–Gel–Ag–ZnO). In comparison, we also investigated the composition, structure and antibacterial properties of pure Ti coated with TNTs, TNTs/Ag or TNTs/Ag + CS–Gel–Ag–ZnO, respectively. The TNTs was about 100 nm wide and 240 nm to 370 nm tall, and most Ag nanoparticles (Ag NPs) with diameter smaller than 20 nm were successfully deposited inside the tubes. The CS–Gel–Ag–ZnO layer was continuous and uniform. Antibacterial activity against planktonic and adherent bacteria were both investigated. Agar diffusion test against Staphylococcus aureus (S. aureus) shows improved antibacterial capacity of the TNTs/Ag + CS–Gel–Ag–ZnO coating, with a clear zone of inhibition (ZOI) up to 14.5 mm wide. Dead adherent bacteria were found on the surface by SEM. The antibacterial rate against planktonic S. aureus was as high as 99.2% over the 24 h incubation period. A novel complex antibacterial coating fabricated via a simple three-step electrodeposition process shows high antibacterial rate of 99.2%.![]()
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Visinescu D, Hussien MD, Moreno JC, Negrea R, Birjega R, Somacescu S, Ene CD, Chifiriuc MC, Popa M, Stan MS, Carp O. Zinc Oxide Spherical-Shaped Nanostructures: Investigation of Surface Reactivity and Interactions with Microbial and Mammalian Cells. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:13638-13651. [PMID: 30340439 DOI: 10.1021/acs.langmuir.8b02528] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Two ZnO materials of spherical hierarchical morphologies, with hollow (ZnOHS) and solid cores (ZnOSS), were obtained through the hydrolysis of zinc acetylacetonate in 1,4-butanediol. The nature of the defects and surface reactivity for the two ZnO materials were investigated through photoluminescence, X-ray photoelectron spectroscopy, and electron paramagnetic resonance (EPR) spectroscopy proving the coexistence of shallow and deep defects and, also, the presence of polyol byproducts adsorbed on the outer layers of the ZnO samples. The EPR spectroscopy coupled with the spin-trapping technique showed that the surface of the ZnO samples generates reactive oxygen species (ROS) like hydroxyl (•OH) and singlet oxygen (1O2) as well as carbon-centered radicals. The ZnO materials exhibited a wide spectrum of antimicrobial activity, being active against Gram-positive, Gram-negative, and fungi strains, both in planktonic and, more importantly, adherent growth states. The decrease of antimicrobial efficiency in the presence of a ROS scavenger (mannitol) and the decrease of the cell viability with the ROS level suggest that one of the mechanisms that governs both the antimicrobial and cytotoxic activities on human liver cells is ROS-mediated. However, at active antimicrobial concentrations, the biocompatibility of the tested materials is very good.
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Affiliation(s)
- Diana Visinescu
- "Ilie Murgulescu" Institute of Physical Chemistry , Romanian Academy , 202 Splaiul Independentei , 060021 Bucharest , Romania
| | | | - Jose Calderon Moreno
- "Ilie Murgulescu" Institute of Physical Chemistry , Romanian Academy , 202 Splaiul Independentei , 060021 Bucharest , Romania
| | - Raluca Negrea
- National Institute of Materials Physics , Atomistilor 105bis , 77125 Magurele , Ilfov , Romania
| | - Ruxandra Birjega
- National Institute for Lasers, Plasma and Radiation Physics , 409 Atomistilor , P.O. Box MG-36, 077125 Bucharest , Romania
| | - Simona Somacescu
- "Ilie Murgulescu" Institute of Physical Chemistry , Romanian Academy , 202 Splaiul Independentei , 060021 Bucharest , Romania
| | - Cristian D Ene
- "Ilie Murgulescu" Institute of Physical Chemistry , Romanian Academy , 202 Splaiul Independentei , 060021 Bucharest , Romania
| | | | | | | | - Oana Carp
- "Ilie Murgulescu" Institute of Physical Chemistry , Romanian Academy , 202 Splaiul Independentei , 060021 Bucharest , Romania
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Dias HB, Bernardi MIB, Marangoni VS, de Abreu Bernardi AC, de Souza Rastelli AN, Hernandes AC. Synthesis, characterization and application of Ag doped ZnO nanoparticles in a composite resin. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 96:391-401. [PMID: 30606547 DOI: 10.1016/j.msec.2018.10.063] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2017] [Revised: 09/03/2018] [Accepted: 10/16/2018] [Indexed: 12/26/2022]
Abstract
The biofilm accumulation over the composite resin restorations can contribute to the formation of secondary caries. In this way, antibacterial restorative composite resins are highly desired. Then, the purpose of this study was to modify a composite resins using Ag doped ZnO nanoparticles (NPs), evaluate the antibacterial and mechanical properties of the modified composite resin. The ZnO/AgNPs were synthesized by two different routes, polymeric precursor and coprecipitation methods, and characterized by thermal decomposition, X-ray diffraction, specific surface area by N2 desorption/desorption and scanning electron microscopy (SEM). Antibacterial activity of composite resin specimens (4 mm in height and 2 mm in diameter; n = 15) modified by ZnO/Ag nanoparticles was performed against 7-days Streptococcus mutans biofilm. Colony forming units (CFU/mL) were used to evaluate the bacterial activity. Additionally, the morphology and the bacteria adherence area were analyzed by SEM images. Cylindrical specimens (6 mm in height and 4 mm in diameter; n = 20) of the composite resin containing ZnO/Ag NPs were prepared to perform compressive strength in a universal mechanical test machine, and the surface of fractured specimens was analyzed by EDX element mapping to verify NPs homogeneity. The normal distribution was confirmed and the two-way analysis of variance (ANOVA) and Tukey's test for pair comparison were performed. The nanospheres of ZnO/Ag lead to a better biofilm inhibition, than nanoplates. No difference on compressive strength was found for the composite resin modified by ZnO/Ag nanoplates. Based on these results, this material could be a good option as a new restorative material.
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Affiliation(s)
- Hércules Bezerra Dias
- University of São Paulo - USP, Physics Institute of São Carlos - IFSC, Department of Physics and Materials Science, São Carlos, São Paulo 13566-590, Brazil; University of São Paulo State - UNESP, Araraquara School of Dentistry, Department of Restorative Dentistry, Araraquara, São Paulo 14801-903, Brazil
| | - Maria Inês Basso Bernardi
- University of São Paulo - USP, Physics Institute of São Carlos - IFSC, Department of Physics and Materials Science, São Carlos, São Paulo 13566-590, Brazil.
| | - Valéria Spolon Marangoni
- University of São Paulo - USP, Physics Institute of São Carlos - IFSC, Department of Physics and Materials Science, São Carlos, São Paulo 13566-590, Brazil
| | - Adilson César de Abreu Bernardi
- University of Araraquara - UNIARA, School of Biomedicine, Department of Biology and Health Sciences, Araraquara, São Paulo 14801-340, Brazil
| | - Alessandra Nara de Souza Rastelli
- University of São Paulo State - UNESP, Araraquara School of Dentistry, Department of Restorative Dentistry, Araraquara, São Paulo 14801-903, Brazil.
| | - Antônio Carlos Hernandes
- University of São Paulo - USP, Physics Institute of São Carlos - IFSC, Department of Physics and Materials Science, São Carlos, São Paulo 13566-590, Brazil.
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43
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Novel Synthesis of Cu@ZnO and Ag@ZnO Nanocomposite via Green Method: A Comparative Study for Ultra-Rapid Catalytic and Recyclable Effects. Catal Letters 2018. [DOI: 10.1007/s10562-018-2435-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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44
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Highly recyclable and ultra-rapid catalytic reduction of organic pollutants on Ag–Cu@ZnO bimetal nanocomposite synthesized via green technology. APPLIED NANOSCIENCE 2018. [DOI: 10.1007/s13204-018-0753-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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45
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Bazant P, Sedlacek T, Kuritka I, Podlipny D, Holcapkova P. Synthesis and Effect of Hierarchically Structured Ag-ZnO Hybrid on the Surface Antibacterial Activity of a Propylene-Based Elastomer Blends. MATERIALS (BASEL, SWITZERLAND) 2018; 11:E363. [PMID: 29494511 PMCID: PMC5872942 DOI: 10.3390/ma11030363] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Revised: 02/26/2018] [Accepted: 02/26/2018] [Indexed: 11/24/2022]
Abstract
In this study, a hybrid Ag-ZnO nanostructured micro-filler was synthesized by the drop technique for used in plastic and medical industry. Furthermore, new antibacterial polymer nanocomposites comprising particles of Ag-ZnO up to 5 wt % and a blend of a thermoplastic polyolefin elastomer (TPO) with polypropylene were prepared using twin screw micro-compounder. The morphology and crystalline-phase structure of the hybrid Ag-ZnO nanostructured microparticles obtained was characterized by scanning electron microscopy and powder X-ray diffractometry. The specific surface area of this filler was investigated by means of nitrogen sorption via the Brunauer-Emmet-Teller method. A scanning electron microscope was used to conduct a morphological study of the polymer nanocomposites. Mechanical and electrical testing showed no adverse effects on the function of the polymer nanocomposites either due to the filler utilized or the given processing conditions, in comparison with the neat polymer matrix. The surface antibacterial activity of the compounded polymer nanocomposites was assessed against Escherichia coli ATCC 8739 and Staphylococcus aureus ATCC 6538P, according to ISO 22196:2007 (E). All the materials at virtually every filler-loading level were seen to be efficient against both species of bacteria.
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Affiliation(s)
- Pavel Bazant
- Centre of Polymer Systems, Tomas Bata University in Zlin, Trida Tomase Bati 5678, 760 01 Zlin, Czech Republic.
| | - Tomas Sedlacek
- Centre of Polymer Systems, Tomas Bata University in Zlin, Trida Tomase Bati 5678, 760 01 Zlin, Czech Republic.
| | - Ivo Kuritka
- Centre of Polymer Systems, Tomas Bata University in Zlin, Trida Tomase Bati 5678, 760 01 Zlin, Czech Republic.
| | - David Podlipny
- Centre of Polymer Systems, Tomas Bata University in Zlin, Trida Tomase Bati 5678, 760 01 Zlin, Czech Republic.
| | - Pavlina Holcapkova
- Centre of Polymer Systems, Tomas Bata University in Zlin, Trida Tomase Bati 5678, 760 01 Zlin, Czech Republic.
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46
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Antimycotic activity of zinc oxide decorated with silver nanoparticles against Trichophyton mentagrophytes. POWDER TECHNOL 2018. [DOI: 10.1016/j.powtec.2018.01.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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47
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48
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Yang X, Qiu L, Luo X. ZIF-8 derived Ag-doped ZnO photocatalyst with enhanced photocatalytic activity. RSC Adv 2018; 8:4890-4894. [PMID: 35539537 PMCID: PMC9077806 DOI: 10.1039/c7ra13351k] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Accepted: 01/18/2018] [Indexed: 11/21/2022] Open
Abstract
Recently, zeolitic imidazolate framework-8 (ZIF-8) has been widely studied and used as a catalyst in various fields, due to its high specific surface area, tunable channels and thermal and chemical stability. In this paper, ZIF-8 was used as a precursor to fabricate a Ag/ZnO photocatalyst, and the influence of Ag on the photocatalytic activity of ZnO has been explored. All samples were characterised using XRD, SEM, TEM, and UV-vis diffuse reflectance spectra. The photocatalytic activity of all samples was evaluated by the degradation of a rhodamine B solution under UV light. The results show that ZIF-8 was completely transformed into ZnO when it was calcined at 550 °C for 6 h, and Ag was well loaded onto ZnO. The photocatalytic efficiency of ZnO is 92.32%. When ZnO was doped with Ag, its photocatalytic efficiency was highly improved (99.64%). Furthermore, Ag/ZnO exhibited high photocatalytic stability. After five repeated cycles, the photocatalytic activity of Ag/ZnO was highly retained at 97.48%. In this paper, ZIF-8 was used as a precursor to fabricate a Ag/ZnO photocatalyst, and the influence of Ag on the photocatalytic activity of ZnO has also been explored.![]()
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Affiliation(s)
- Xiaobing Yang
- College of Ecology and Resource Engineering
- Wuyi University
- Fujian Wuyishan
- China
- Fujian Provincial Key Laboratory of Eco-Industrial Green Technology
| | - Liqing Qiu
- College of Ecology and Resource Engineering
- Wuyi University
- Fujian Wuyishan
- China
- Fujian Provincial Key Laboratory of Eco-Industrial Green Technology
| | - Xuetao Luo
- Fujian Key Laboratory of Advanced Materials
- College of Materials
- Xiamen University
- Xiamen 361005
- China
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Morphological tunable three-dimensional flower-like zinc oxides with high photoactivity for targeted environmental Remediation: Degradation of emerging micropollutant and radicals trapping experiments. J Taiwan Inst Chem Eng 2017. [DOI: 10.1016/j.jtice.2017.10.030] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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A potential photocatalytic, antimicrobial and anticancer activity of chitosan-copper nanocomposite. Int J Biol Macromol 2017; 104:1774-1782. [DOI: 10.1016/j.ijbiomac.2017.03.006] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 02/08/2017] [Accepted: 03/02/2017] [Indexed: 02/02/2023]
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