1
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Antibacterial Enhancement of High-Efficiency Particulate Air Filters Modified with Graphene-Silver Hybrid Material. Microorganisms 2023; 11:microorganisms11030745. [PMID: 36985318 PMCID: PMC10059912 DOI: 10.3390/microorganisms11030745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/11/2023] [Accepted: 03/11/2023] [Indexed: 03/15/2023] Open
Abstract
Bacterial infections are a major concern as antibiotic resistance poses a great threat, therefore leading to a race against time into finding new drugs or improving the existing resources. Nanomaterials with high surface area and bactericidal properties are the most promising ones that help combating microbial infections. In our case, graphene decorated with silver nanoparticles Gr-Ag (5 wt% Ag) exhibited inhibitory capacity against S. aureus and E. coli. The newly formed hybrid material was next incubated with high-efficiency particulate air (HEPA) filter, to obtain one with bactericidal properties. The modified filter had greater inhibitory action against the tested strains, compared to the control, and the effect was better against the Gram-negative model. Even if the bacteria remained attached to the filters, their colony forming unit capacity was affected by the Gr-Ag (5 wt% Ag) hybrid material, when they were subsequently re-cultured on fresh agar media. Therefore, the HEPA filter modified with Gr-Ag (5 wt% Ag) has high antibacterial properties that may substantially improve the existing technology.
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2
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Xu W, Qing X, Liu S, Chen Z, Zhang Y. Manganese oxide nanomaterials for bacterial infection detection and therapy. J Mater Chem B 2022; 10:1343-1358. [PMID: 35129557 DOI: 10.1039/d1tb02646a] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Bacterial infection has received substantial attention and poses a serious threat to human health. Although antibiotics can effectively fight against bacterial infection, the occurrence of antibiotic resistance has become increasingly serious in recent years, which tremendously hinders its clinical application. Consequently, it is urgent to explore novel strategies to achieve efficacious treatment of bacterial diagnosis and detection. Manganese dioxide (MnO2) nanomaterial has been extensively reported in tumor therapy. Nevertheless, there are few antibacterial reviews of MnO2. Herein, we will discuss the applications of MnO2 in the detection and treatment of bacterial infection, including photodynamic therapy, immunotherapy, improvement of hypoxia, dual-modal combination therapy, reactive oxygen species scavenging, magnetic resonance imaging, optical application of acoustic imaging, and so forth. This review is expected to provide meaningful guidance on further research of MnO2 nanomaterial for antibacterial applications.
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Affiliation(s)
- Wenjing Xu
- Medical School, Southeast University, Nanjing 210009, China.
| | - Xin Qing
- Medical School, Southeast University, Nanjing 210009, China.
| | - Shengli Liu
- Hepatopancreatobiliary Center, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210009, China.
| | - Zhencheng Chen
- School of Electronic Engineering and Automation, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China.
| | - Yewei Zhang
- Medical School, Southeast University, Nanjing 210009, China. .,Hepatopancreatobiliary Center, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210009, China.
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3
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Li Y, Wang W, Han J, Li Z, Wang Q, Lin X, Ge K, Zhou G. Synthesis of Silver- and Strontium-Substituted Hydroxyapatite with Combined Osteogenic and Antibacterial Activities. Biol Trace Elem Res 2022; 200:931-942. [PMID: 33797703 DOI: 10.1007/s12011-021-02697-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 03/28/2021] [Indexed: 01/19/2023]
Abstract
Infection in bone transplantation process is attracting considerable attention. The current study synthesizes silver/strontium co-substituted hydroxyapatite (Ag/Sr-HA) nanoparticles with combined osteogenic and antibacterial activities. Different concentrations of silver-substituted hydroxyapatite (Ag-HA) nanoparticles were synthesized by hydrothermal method, and then their physicochemical properties were characterized by X-ray powder diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), transmission electron microscope (TEM), and energy-dispersive X-ray spectroscopy (EDS). Then, Sr was added as secondary element into Ag-HA to improve the biocompatibility of substrate. The antibacterial experiments indicated that Ag-HA had excellent antibacterial activity against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus). The effects of prepared samples on cell proliferation and differentiation were evaluated using MC3T3-E1 cells in vitro. The results showed that Sr substitution enhanced cell proliferation and differentiation, upregulated expression of osteogenic genes, and induced mineralization of cells. The substitution of Sr in Ag/Sr-HA nanoparticles can effectively alleviate the negative effects of Ag and enhance the biological activity of HA. Thus, the synthesized Ag/Sr-HA nanoparticles will serve as a potential candidate for application of biomedical implants with excellent osteogenic and antibacterial ability.
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Affiliation(s)
- Yunfei Li
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding, 071002, China
| | - Wenying Wang
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding, 071002, China
| | - Jing Han
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding, 071002, China
| | - Zirui Li
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding, 071002, China
| | - Qiuxiang Wang
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding, 071002, China
| | - Xue Lin
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding, 071002, China
| | - Kun Ge
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding, 071002, China
| | - Guoqiang Zhou
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding, 071002, China.
- Key Laboratory of Pathogenesis Mechanism and Control of Inflammatory-autoimmune Diseases of Hebei Province, College of Basic Medical Sciences, Hebei University, Baoding, 071000, China.
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4
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Utilization of Solution Grown Manganese Oxide Nanocrystallite to Microstructure Against Bacteria’s Inhibition. J Inorg Organomet Polym Mater 2022. [DOI: 10.1007/s10904-021-02206-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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5
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Bionanocomposite of Au decorated MnO2 via in situ green synthesis route and antimicrobial activity evaluation. ARAB J CHEM 2021. [DOI: 10.1016/j.arabjc.2021.103415] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
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6
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Rilstone V, Vignale L, Craddock J, Cushing A, Filion Y, Champagne P. The role of antibiotics and heavy metals on the development, promotion, and dissemination of antimicrobial resistance in drinking water biofilms. CHEMOSPHERE 2021; 282:131048. [PMID: 34470147 DOI: 10.1016/j.chemosphere.2021.131048] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 05/23/2021] [Accepted: 05/26/2021] [Indexed: 06/13/2023]
Abstract
Antimicrobial resistance (AMR), as well as the development of biofilms in drinking water distribution systems (DWDSs), have become an increasing concern for public health and management. As bulk water travels from source to tap, it may accumulate contaminants of emerging concern (CECs) such as antibiotics and heavy metals. When these CECs and other selective pressures, such as disinfection, pipe material, temperature, pH, and nutrient availability interact with planktonic cells and, consequently, DWDS biofilms, AMR is promoted. The purpose of this review is to highlight the mechanisms by which AMR develops and is disseminated within DWDS biofilms. First, this review will lay a foundation by describing how DWDS biofilms form, as well as their basic intrinsic and acquired resistance mechanisms. Next, the selective pressures that further induce AMR in DWDS biofilms will be elaborated. Then, the pressures by which antibiotic and heavy metal CECs accumulate in DWDS biofilms, their individual resistance mechanisms, and co-selection are described and discussed. Finally, the known human health risks and current management strategies to mitigate AMR in DWDSs will be presented. Overall, this review provides critical connections between several biotic and abiotic factors that influence and induce AMR in DWDS biofilms. Implications are made regarding the importance of monitoring and managing the development, promotion, and dissemination of AMR in DWDS biofilms.
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Affiliation(s)
- Victoria Rilstone
- Beaty Water Research Centre, Department of Civil Engineering, Union Street, Queen's University, Kingston, K7L 3Z6, Canada
| | - Leah Vignale
- Beaty Water Research Centre, Department of Civil Engineering, Union Street, Queen's University, Kingston, K7L 3Z6, Canada
| | - Justine Craddock
- Beaty Water Research Centre, Department of Civil Engineering, Union Street, Queen's University, Kingston, K7L 3Z6, Canada
| | - Alexandria Cushing
- Beaty Water Research Centre, Department of Civil Engineering, Union Street, Queen's University, Kingston, K7L 3Z6, Canada
| | - Yves Filion
- Beaty Water Research Centre, Department of Civil Engineering, Union Street, Queen's University, Kingston, K7L 3Z6, Canada.
| | - Pascale Champagne
- Beaty Water Research Centre, Department of Civil Engineering, Union Street, Queen's University, Kingston, K7L 3Z6, Canada; Institut National de la Recherche Scientifique (INRS), 490 rue de la Couronne, Québec City, Québec, G1K 9A9, Canada
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7
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Gnanam S, Gajendiran J, Ashokkumar R, Ramachandran K, Ramya JR. Cd doped-Alpha-Dimanganese Trioxide Nanoparticles: Synthesis, Structural, Morphological, Optical, Luminescent, Magnetic, Photocatalytic and Antibacterial Characterization. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.129846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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8
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Zhao Y, Zhang X, Jia C, Wu J, Tang H, Shang J, Yuan C, Wang Y, Zhang P. A simple signal-on strategy for fluorescent detection of tuberculostatic drug isoniazid based on Ag clusters-MnO 2 sheets nanoplatform. Colloids Surf B Biointerfaces 2021; 201:111627. [PMID: 33639510 DOI: 10.1016/j.colsurfb.2021.111627] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 11/23/2020] [Accepted: 02/11/2021] [Indexed: 11/16/2022]
Abstract
As a first-line tuberculostatic drug, isoniazid (INH) plays effective and irreplaceable role in prevention and treatment of tuberculosis. In this work, a rapid and simple signal-on fluorescence approach is established for INH assay by employing a platform composed of silver nanoclusters (AgNCs) and MnO2 nanosheets. In the proposed sensing system, strong red fluorescence of poly (methacrylic acid)-stabilized AgNCs can be greatly quenched after they attach to the surfaces of MnO2 nanosheets. With the addition of INH, MnO2 nanosheets are reduced to Mn2+ and subsequently release the AgNCs, which leads to obvious fluorescence recovery again. Based on this mechanism, highly sensitive detection of INH in the range of 0.8-200 μM is realized (detection limit: 476 nM). The present strategy shows remarkable advantages including simplicity, rapidness, high sensitivity and wide detectable range. This method is also practical and comparable to high-performance liquid chromatography, which can be applied to detect INH in human urine and serum samples as well as pharmaceutical products.
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Affiliation(s)
- Yannan Zhao
- Chongqing Research Center for Pharmaceutical Engineering, Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), College of Pharmacy, Chongqing Medical University, Chongqing, 400016, PR China
| | - Xinwen Zhang
- Chongqing Research Center for Pharmaceutical Engineering, Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), College of Pharmacy, Chongqing Medical University, Chongqing, 400016, PR China
| | - Chunyan Jia
- Chongqing Research Center for Pharmaceutical Engineering, Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), College of Pharmacy, Chongqing Medical University, Chongqing, 400016, PR China
| | - Jiangling Wu
- Department of Clinical Laboratory, University-Town Hospital of Chongqing Medical University, Chongqing, 401331, PR China
| | - Hua Tang
- Chongqing Research Center for Pharmaceutical Engineering, Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), College of Pharmacy, Chongqing Medical University, Chongqing, 400016, PR China
| | - Jingchuan Shang
- Chongqing Research Center for Pharmaceutical Engineering, Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), College of Pharmacy, Chongqing Medical University, Chongqing, 400016, PR China
| | - Chuanji Yuan
- Chongqing Research Center for Pharmaceutical Engineering, Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), College of Pharmacy, Chongqing Medical University, Chongqing, 400016, PR China
| | - Yi Wang
- Chongqing Key Laboratory of Green Synthesis and Applications, College of Chemistry, Chongqing Normal University, Chongqing, 401331, PR China.
| | - Pu Zhang
- Chongqing Research Center for Pharmaceutical Engineering, Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), College of Pharmacy, Chongqing Medical University, Chongqing, 400016, PR China.
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9
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Phan DC, Vazquez-Munoz R, Matta A, Kapoor V. Short-term effects of Mn 2O 3 nanoparticles on physiological activities and gene expression of nitrifying bacteria under low and high dissolved oxygen conditions. CHEMOSPHERE 2020; 261:127775. [PMID: 32738717 DOI: 10.1016/j.chemosphere.2020.127775] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 07/14/2020] [Accepted: 07/19/2020] [Indexed: 06/11/2023]
Abstract
The short-term effects of Mn2O3 nanoparticles (NPs) were examined for nitrifying bacterial enrichments exposed under low and high dissolved oxygen (DO) conditions using substrate (ammonia) specific oxygen uptake rates (sOUR), reverse transcriptase - quantitative polymerase chain reaction (RT-qPCR) assays, and by analysis of 16S rRNA sequences. Samples from nitrifying bioreactor were exposed in batch vessels to Mn2O3 NPs (1, 5 and 10 mg/L) for either 1 or 3 h under no additional aeration or 0.25 L/min aeration. There was increase in nitrification inhibition as determined by sOUR with increasing dosages of Mn2O3 NPs for both low and high DO. At 10 mg/L Mn2O3 NPs, the inhibition was about 7-10% for 1 and 3 h exposure in both cases. There was notable reduction in the transcript levels of amoA, hao and nirK for 10 mg/L of Mn2O3 NPs under 3 h, high DO exposure, which corresponded well with sOUR. The 16S rRNA sequencing showed that there was an inhibitory effect on ammonia oxidizers activity upon exposure to 10 mg/L of Mn2O3 NPs. Collectively, the findings in this study advanced understanding of the different effects of Mn2O3 NPs on nitrifying bacteria.
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Affiliation(s)
- Duc C Phan
- Department of Civil & Environmental Engineering, The University of Texas at San Antonio, San Antonio, TX, 78249, USA
| | - Roberto Vazquez-Munoz
- The South Texas Center for Emerging Infectious Diseases, Department of Biology, The University of Texas at San Antonio, San Antonio, TX, 78249, USA
| | - Akanksha Matta
- Department of Civil & Environmental Engineering, The University of Texas at San Antonio, San Antonio, TX, 78249, USA
| | - Vikram Kapoor
- Department of Civil & Environmental Engineering, The University of Texas at San Antonio, San Antonio, TX, 78249, USA.
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10
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Taati Moghadam M, Khoshbayan A, Chegini Z, Farahani I, Shariati A. Bacteriophages, a New Therapeutic Solution for Inhibiting Multidrug-Resistant Bacteria Causing Wound Infection: Lesson from Animal Models and Clinical Trials. DRUG DESIGN DEVELOPMENT AND THERAPY 2020; 14:1867-1883. [PMID: 32523333 PMCID: PMC7237115 DOI: 10.2147/dddt.s251171] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Accepted: 04/29/2020] [Indexed: 12/12/2022]
Abstract
Wound infection kills a large number of patients worldwide each year. Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, and Pseudomonas aeruginosa are the most important colonizing pathogens of wounds that, with various virulence factors and impaired immune system, causes extensive tissue damage and nonhealing wounds. Furthermore, the septicemia caused by these pathogens increases the mortality rate due to wound infections. Because of the prevalence of antibiotic resistance in recent years, the use of antibiotics to inhibit these pathogens has been restricted, and the topical application of antibiotics in wound infections increases antibiotic resistance. Therefore, finding a new therapeutic strategy against wound infections is so essential since these infections have a destructive effect on the patient’s mental health and high medical costs. In this review, we discussed the use of phages for the prevention of multidrug-resistant (MDR) bacteria, causing wound infection and their role in wound healing in animal models and clinical trials. The results showed that phages have a high ability to inhibit different wound infections caused by MDR bacteria, heal the wound faster, have lower side effects and toxicity, destroy bacterial biofilm, and they are useful in controlling immune responses. Many studies have used animal models to evaluate the function of phages, and this study appears to have a positive impact on the use of phages in clinical practice and the development of a new therapeutic approach to control wound infections, although there are still many limitations.
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Affiliation(s)
- Majid Taati Moghadam
- Jiroft University of Medical Sciences, Jiroft, Iran.,Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Amin Khoshbayan
- Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Zahra Chegini
- Student Research Committee, Iran University of Medical Sciences, Tehran, Iran
| | - Iman Farahani
- Department of Microbiology and Immunology, School of Medicine, Arak University of Medical Sciences, Arak, Iran
| | - Aref Shariati
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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11
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Rice KM, Ginjupalli GK, Manne NDPK, Jones CB, Blough ER. A review of the antimicrobial potential of precious metal derived nanoparticle constructs. NANOTECHNOLOGY 2019; 30:372001. [PMID: 30840941 DOI: 10.1088/1361-6528/ab0d38] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The field of nanotechnology is rapidly growing. The promise of pharmacotherapeutics emerging from this vast field has drawn the attention of many researchers. However, with the increase in the prevalence of antibiotic resistant microorganisms, the manifestations of these promises are needed now more than ever. Many have postulated the antimicrobial potential of nanoparticle constructs derived from precious metals/noble metals nanoparticles (NMNPs), such as silver nanoparticles that show activity against multidrug resistant bacteria. In this review we will evaluate the current studies and explore the data to obtain a clear picture of the potential of these particles and the validity of the claims of drug resistant treatments with NMNPs.
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Affiliation(s)
- Kevin M Rice
- Center for Diagnostic Nanosystems, Marshall University, Huntington, WV, United States of America. Department of Internal Medicine, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV, United States of America. Biotechnology Graduate Program West Virginia State University, Institute, WV, United States of America. Department of Health and Human Service, School of Kinesiology, Marshall University, Huntington, WV, United States of America
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12
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Laser ablation assisted preparation of MnO2 nanocolloids from waste battery cell powder: Evaluation of physico-chemical, electrical and biological properties. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.04.094] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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13
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Pan L, Zhang Y, Shi CE. Synthesis of quasi-hexagonal Ag/NiCo2O4 nanosheets and their photocatalytic and antibacterial properties. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2019. [DOI: 10.1007/s13738-019-01763-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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14
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Gon LM, de Campos CCC, Riccetto E, Levy CE, Griguol O, Riccetto CLZ. Manganese dioxide coating reduces bacterial adhesion and infection in silicon implants in animal model. World J Urol 2019; 38:783-788. [PMID: 31267180 DOI: 10.1007/s00345-019-02856-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Accepted: 06/22/2019] [Indexed: 10/26/2022] Open
Abstract
PURPOSE To propose a new coating to silicone implants using Manganese dioxide. We present bacterial adhesion and proliferation when implants are challenged with Escherichia coli. METHODS Coated and control silicon implants were placed in two independent subcutaneous pouches in the dorsum of Wistar rats. After skin closure, 0.5 ml of E. coli solution was injected in each incision. The animals were euthanized at 7 and 28 days. Extracted material was cultured and analyzed by confocal microscopy. RESULTS At 1 week, uncoated implants had a 17-fold higher infection rate (p < 0.001). Coated samples showed a mean bacterial count of 28,700 CFU/ml, while the control ones 503,000 CFU/ml, with a significant mean difference of 474,300 CFU/ml (95% CI 165,900-782,600). At 4 weeks, the mean bacterial growth in coated group was 7600; while in control one was 53,890. The mean difference between groups was 46,200 (95% CI 21,100-71,400). Confocal microscopy presented the percentage of implant's surface with attached bacteria: at 7 days, coated implants had 6.85% and controls 10.9% and the difference was not significant (p =0.32). At 4 weeks, the coated group showed 0.98% of the surface with attached bacteria, while control group showed 7.64%, which resulted in a significant 11-fold difference (p = 0.004). CONCLUSIONS Manganese dioxide coating inhibits bacterial proliferation and adhesion in subcutaneous silicon implants in an animal model. These findings can be useful to improve development of biomaterials.
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Affiliation(s)
- Lucas Mira Gon
- Division of Urology, Department of Surgery, Faculty of Medical Sciences, University of Campinas, UNICAMP, Rua Vital Brazil, 250, Campinas, SP, 13083-590, Brazil.
| | - Caio César Citatini de Campos
- Division of Urology, Department of Surgery, Faculty of Medical Sciences, University of Campinas, UNICAMP, Rua Vital Brazil, 250, Campinas, SP, 13083-590, Brazil
| | - Eduardo Riccetto
- Faculty of Medical Sciences, University of Campinas, UNICAMP, Campinas, Brazil
| | - Carlos Emílio Levy
- Division of Microbiology of Department of Clinical Pathology, Faculty of Medical Sciences, University of Campinas, UNICAMP, Campinas, Brazil
| | - Osvaldo Griguol
- Research and Development Department, Ferreyra Industrial Park, Promedon, Córdoba, Argentina
| | - Cássio Luís Zanettini Riccetto
- Division of Urology, Department of Surgery, Faculty of Medical Sciences, University of Campinas, UNICAMP, Rua Vital Brazil, 250, Campinas, SP, 13083-590, Brazil
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15
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Kamran U, Bhatti HN, Iqbal M, Jamil S, Zahid M. Biogenic synthesis, characterization and investigation of photocatalytic and antimicrobial activity of manganese nanoparticles synthesized from Cinnamomum verum bark extract. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2018.11.006] [Citation(s) in RCA: 115] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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16
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Imran M, Das KR, Naik MM. Co-selection of multi-antibiotic resistance in bacterial pathogens in metal and microplastic contaminated environments: An emerging health threat. CHEMOSPHERE 2019; 215:846-857. [PMID: 30359954 DOI: 10.1016/j.chemosphere.2018.10.114] [Citation(s) in RCA: 283] [Impact Index Per Article: 56.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 10/10/2018] [Accepted: 10/16/2018] [Indexed: 05/19/2023]
Abstract
Misuse/over use of antibiotics increases the threats to human health since this is a main reason behind evolution of antibiotic resistant bacterial pathogens. However, metals such as mercury, lead, zinc, copper and cadmium are accumulating to critical concentration in the environment and triggering co-selection of antibiotic resistance in bacteria. The co-selection of metal driven antibiotic resistance in bacteria is achieved through co-resistance or cross resistance. Metal driven antibiotic resistant determinants evolved in bacteria and present on same mobile genetic elements are horizontally transferred to distantly related bacterial human pathogens. Additionally, in marine environment persistent pollutants like microplastics is recognized as a vector for the proliferation of metal/antibiotics and human pathogens. Recently published research confirmed that horizontal gene transfer between phylogenetically distinct microbes present on microplastics is much faster than free living microbes. Therefore, microplastics act as an emerging hotspot for metal driven co-selection of multidrug resistant human pathogens and pose serious threat to humans which do recreational activities in marine environment and ingest marine derived foods. Therefore, marine environment co-polluted with metal, antibiotics, human pathogens and microplastics pose an emerging health threat globally.
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Affiliation(s)
- Md Imran
- Department of Biotechnology, Goa University Taleigao Plateau, Goa, 403206, India.
| | - Kirti Ranjan Das
- Department of Biotechnology, Goa University Taleigao Plateau, Goa, 403206, India
| | - Milind Mohan Naik
- Department of Microbiology, Goa University Taleigao Plateau, Goa, 403206, India.
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17
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Anwar Y. Antibacterial and lead ions adsorption characteristics of chitosan-manganese dioxide bionanocomposite. Int J Biol Macromol 2018; 111:1140-1145. [DOI: 10.1016/j.ijbiomac.2018.01.096] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 01/02/2018] [Accepted: 01/14/2018] [Indexed: 11/30/2022]
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18
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Carbone M, Briancesco R, Bonadonna L. Antimicrobial power of Cu/Zn mixed oxide nanoparticles to Escherichia coli. ACTA ACUST UNITED AC 2017. [DOI: 10.1016/j.enmm.2017.01.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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19
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An effective treatment of experimental osteomyelitis using the antimicrobial titanium/silver-containing nHP66 (nano-hydroxyapatite/polyamide-66) nanoscaffold biomaterials. Sci Rep 2016; 6:39174. [PMID: 27982110 PMCID: PMC5159876 DOI: 10.1038/srep39174] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Accepted: 11/18/2016] [Indexed: 02/07/2023] Open
Abstract
Effective treatment of osteomyelitis remains a formidable clinical challenge. The rapid emergence of multidrug-resistant bacteria has renewed interest in developing antimicrobial biomaterials using antiseptic silver ions to treat osteomyelitis. However, inadequate local retention and severe cytotoxic effects have limited the clinical use of ionic silver for bone grafts. We recently developed novel porous nano-hydroxyapatite/polyamide 66 (nHP66)-based nanoscaffold materials containing varied concentrations of silver ions (Ag+) (TA-nHAPA66) and oxidized titanium (TiO2), which was added as a second binary element to enhance antibacterial activity and biocompatibility. In this study, we establish a large cohort of rabbit model of experimental osteomyelitis and investigate the in vivo antimicrobial and therapeutic effects of TA-nHP66 biomaterials and their in vivo silver release kinetics. We find the TA-nHP66 scaffolds exhibit potent antibacterial activities against E. coli and S. aureus, support cell adhesion and cell proliferation of pre-osteoblasts, and stimulate osteogenic regulator/marker expression. Moreover, the TA2-nHP66 scaffold exerts potent antibacterial/anti-inflammation effects in vivo and promotes bone formation at the lesion site of osteomyelitis. We further demonstrate that TA2-nHP66 exhibits excellent biosafety profile without apparent systemic toxicities. Therefore, the TA-nHP66 scaffold biomaterials may be further explored as an effective adjuvant therapy for infected bone defects and/or osteomyelitis debridement.
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Krishnan B, Mahalingam S. Facile synthesis and antimicrobial activity of manganese oxide/bentonite nanocomposites. RESEARCH ON CHEMICAL INTERMEDIATES 2016. [DOI: 10.1007/s11164-016-2765-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Plant extract-mediated biogenic synthesis of silver, manganese dioxide, silver-doped manganese dioxide nanoparticles and their antibacterial activity against food- and water-borne pathogens. Bioprocess Biosyst Eng 2016; 39:759-72. [PMID: 26857369 DOI: 10.1007/s00449-016-1556-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Accepted: 01/27/2016] [Indexed: 10/22/2022]
Abstract
Silver nanoparticles (AgNPs), manganese dioxide nanoparticles (MnO₂NPs) and silver-doped manganese dioxide nanoparticles (Ag-doped MnO₂NPs) were synthesized by simultaneous green chemistry reduction approach. Aqueous extract from the leaves of medicinally important plant Cucurbita pepo was used as reducing and capping agents. Various characterization techniques were carried out to affirm the formation of nanoparticles. HR-TEM analysis confirmed the size of nanoparticles in the range of 15-70 nm and also metal doping was confirmed through XRD and EDS analyses. FT-IR analysis confirmed that the presence of biomolecules in the aqueous leaves extract was responsible for nanoparticles synthesis. Further, the concentration of metals and their doping in the reaction mixture was achieved by ICP-MS. The growth curve and well diffusion study of synthesized nanoparticles were performed against food- and water-borne Gram-positive and Gram-negative bacterial pathogens. The mode of interaction of nanoparticles on bacterial cells was demonstrated through Bio-TEM analysis. Interestingly, AgNPs and Ag-doped MnO₂NPs showed better antibacterial activity against all the tested bacterial pathogens; however, MnO₂NPs alone did not show any antibacterial properties. Hence, AgNPs and Ag-doped MnO₂NPs synthesized from aqueous plant leaves extract may have important role in controlling various food spoilage caused by bacteria.
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Geng Z, Cui Z, Li Z, Zhu S, Liang Y, Liu Y, Li X, He X, Yu X, Wang R, Yang X. Strontium incorporation to optimize the antibacterial and biological characteristics of silver-substituted hydroxyapatite coating. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 58:467-77. [DOI: 10.1016/j.msec.2015.08.061] [Citation(s) in RCA: 69] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2015] [Revised: 07/21/2015] [Accepted: 08/27/2015] [Indexed: 10/23/2022]
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Kharangate-Lad A, Pereira F, Fernandes J, Bhosle S. Studies on the effects of zerovalent iron nanoparticles on bacteria from the mangrove ecosystem. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:927-931. [PMID: 26527332 DOI: 10.1007/s11356-015-5588-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Accepted: 10/07/2015] [Indexed: 06/05/2023]
Abstract
Zerovalent iron (ZVI) nanoparticles are gaining popularity in bioremediation of contaminated ground water and antimicrobial studies. In this study, ZVI nanoparticles were synthesized by borohydride method. The effect of these nanoparticles to alter the cell surface hydrophobicity of mangrove bacteria was studied by bacterial adhesion to hydrocarbon assay. The effect of these nanoparticles on the growth and extracellular polymeric substances (EPS) of a novel bacterial strain Halobacillus trueperi MXM-16 from mangroves was evaluated by growing the culture in the presence of ZVI nanoparticles and SEM. The change in the emulsifying ability of the cell-free supernatant of Halobacillus trueperi MXM-16 when grown in media amended with ZVI nanoparticles was also investigated by spectrophotometric analysis.
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Affiliation(s)
| | - Flancy Pereira
- Department of Chemistry, Taleigao Plateau, Goa University, Goa, 403 206, India.
| | - Julio Fernandes
- Department of Chemistry, Taleigao Plateau, Goa University, Goa, 403 206, India.
| | - Saroj Bhosle
- Department of Microbiology, Taleigao Plateau, Goa University, Goa, 403 206, India.
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Evaluation of silver-doped indium oxide nanoparticles as in vitro α-amylase and α-glucosidase inhibitors. Med Chem Res 2015. [DOI: 10.1007/s00044-015-1494-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Feng ZV, Gunsolus IL, Qiu TA, Hurley KR, Nyberg LH, Frew H, Johnson KP, Vartanian AM, Jacob LM, Lohse SE, Torelli MD, Hamers RJ, Murphy CJ, Haynes CL. Impacts of gold nanoparticle charge and ligand type on surface binding and toxicity to Gram-negative and Gram-positive bacteria. Chem Sci 2015; 6:5186-5196. [PMID: 29449924 PMCID: PMC5669217 DOI: 10.1039/c5sc00792e] [Citation(s) in RCA: 153] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2015] [Accepted: 06/15/2015] [Indexed: 12/22/2022] Open
Abstract
Although nanomaterials facilitate significant technological advancement in our society, their potential impacts on the environment are yet to be fully understood. In this study, two environmentally relevant bacteria, Shewanella oneidensis and Bacillus subtilis, have been used as model organisms to elucidate the molecular interactions between these bacterial classes and Au nanoparticles (AuNPs) with well-controlled and well-characterized surface chemistries: anionic 3-mercaptopropionic acid (MPA), cationic 3-mercaptopropylamine (MPNH2), and the cationic polyelectrolyte poly(allylamine hydrochloride) (PAH). The data demonstrate that cationic, especially polyelectrolyte-wrapped AuNPs, were more toxic to both the Gram-negative and Gram-positive bacteria. The levels of toxicity observed were closely related to the percentage of cells with AuNPs associated with the cell surface as measured in situ using flow cytometry. The NP concentration-dependent binding profiles were drastically different for the two bacteria strains, suggesting the critical role of bacterial cell surface chemistry in determining nanoparticle association, and thereby, biological impact.
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Affiliation(s)
- Z Vivian Feng
- Chemistry Department , Augsburg College , Minneapolis , MN 55454 , USA .
| | - Ian L Gunsolus
- Department of Chemistry , University of Minnesota , Minneapolis , MN 55455 , USA .
| | - Tian A Qiu
- Department of Chemistry , University of Minnesota , Minneapolis , MN 55455 , USA .
| | - Katie R Hurley
- Department of Chemistry , University of Minnesota , Minneapolis , MN 55455 , USA .
| | - Lyle H Nyberg
- Chemistry Department , Augsburg College , Minneapolis , MN 55454 , USA .
| | - Hilena Frew
- Chemistry Department , Augsburg College , Minneapolis , MN 55454 , USA .
| | - Kyle P Johnson
- Department of Chemistry , University of Minnesota , Minneapolis , MN 55455 , USA .
| | - Ariane M Vartanian
- Department of Chemistry , University of Illinois at Urbana-Champaign , Urbana , IL 61801 , USA
| | - Lisa M Jacob
- Department of Chemistry , University of Illinois at Urbana-Champaign , Urbana , IL 61801 , USA
| | - Samuel E Lohse
- Department of Chemistry , University of Illinois at Urbana-Champaign , Urbana , IL 61801 , USA
| | - Marco D Torelli
- Department of Chemistry , University of Wisconsin , Madison , WI 53706 , USA
| | - Robert J Hamers
- Department of Chemistry , University of Wisconsin , Madison , WI 53706 , USA
| | - Catherine J Murphy
- Department of Chemistry , University of Illinois at Urbana-Champaign , Urbana , IL 61801 , USA
| | - Christy L Haynes
- Department of Chemistry , University of Minnesota , Minneapolis , MN 55455 , USA .
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Magyari K, Gruian C, Varga B, Ciceo-Lucacel R, Radu T, Steinhoff HJ, Váró G, Simon V, Baia L. Addressing the optimal silver content in bioactive glass systems in terms of BSA adsorption. J Mater Chem B 2014; 2:5799-5808. [PMID: 32262023 DOI: 10.1039/c4tb00733f] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Bioactive glasses doped with silver are aimed to minimize the risk of microbial contamination; therefore, the influence of silver on the bioactive properties is intensely investigated. However, information related to the role played by silver, when added to the bioactive glass composition, on biocompatibility properties is scarce. This aspect is essential as long as the silver content can influence blood protein adsorption onto the surface of the glass, thus affecting the material's biocompatibility. Therefore, from the perspective of the biocompatibility standpoint, the finding of an optimal silver content in a bioactive glass is an extremely important issue. In this study, silver-doped bioactive glasses were prepared by a melt-derived technique, which eliminates the pores' influence in the protein adsorption process. The obtained glasses were characterized by X-ray diffraction, UV-vis, X-ray photoelectron (XPS) and Fourier transform infrared (FT-IR) spectroscopy; afterwards, they were investigated in terms of protein adsorption. Both UV-vis and XPS spectroscopy revealed the presence of Ag+ ions in all silver containing samples. By increasing the silver content, metallic Ag0 appears, the highest amount being observed for the sample with 1 mol% AgO2. Electron paramagnetic resonance measurements evidenced that the amount of spin-labeled serum albumin attached to the surface increases with the silver content. The results obtained by analyzing the information derived from atomic force microscopy and FT-IR measurements indicate that the occurrence of metallic Ag0 in the samples' structure influences the secondary structure of the adsorbed protein. Based on the results derived from the protein response upon interaction with the investigated glass calcium-phosphate based system, the optimal silver oxide concentration was determined for which the secondary structure of the adsorbed protein is similar with that of the free one. This concentration was found to be 0.5 mol%.
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Affiliation(s)
- Klára Magyari
- Babes-Bolyai University, Faculty of Physics & Institute of Interdisciplinary Research in Bio-Nano-Sciences, 400084 Cluj-Napoca, Romania.
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Mbundi L, Gallar-Ayala H, Khan MR, Barber JL, Losada S, Busquets R. Advances in the Analysis of Challenging Food Contaminants. ADVANCES IN MOLECULAR TOXICOLOGY 2014. [DOI: 10.1016/b978-0-444-63406-1.00002-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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