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Li S, Liu Y, Wu Y, Ren L, Lu Y, Yamaguchi S, Lu Q, Hu C, Li D, Jiang N. An Outlook on Platinum-Based Active Ingredients for Dermatologic and Skincare Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:1303. [PMID: 39120408 PMCID: PMC11314049 DOI: 10.3390/nano14151303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2024] [Revised: 07/30/2024] [Accepted: 07/31/2024] [Indexed: 08/10/2024]
Abstract
Platinum-based materials exhibit a broad spectrum of biological activities, including antioxidant, anti-inflammatory, antimicrobial, and pro-collagen synthesis properties, making them particularly useful for various biomedical applications. This review summarizes the biological effects and therapeutic potential of platinum-based active ingredients in dermatological and skincare applications. We discuss their synthesis methods and their antioxidant, anti-inflammatory, antimicrobial, and collagen synthesis properties, which play essential roles in treating skin conditions including psoriasis and acne, as well as enhancing skin aesthetics in anti-aging products. Safety and sustainability concerns, including the need for green synthesis and comprehensive toxicological assessments to ensure safe topical applications, are also discussed. By providing an up-to-date overview of current research, we aim to highlight both the potential and the current challenges of platinum-based active ingredients in advancing dermatology and skincare solutions.
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Affiliation(s)
- Shining Li
- Key Laboratory of Advanced Materials and Devices for Post-Moore Chips, Ministry of Education, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Yizhou Liu
- Key Laboratory of Advanced Materials and Devices for Post-Moore Chips, Ministry of Education, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Ying Wu
- Key Laboratory of Advanced Materials and Devices for Post-Moore Chips, Ministry of Education, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Lu Ren
- Hua An Tang Biotech Group Co., Ltd., Guangzhou 511434, China
| | - Yongjie Lu
- Hua An Tang Biotech Group Co., Ltd., Guangzhou 511434, China
| | | | - Qipeng Lu
- Key Laboratory of Advanced Materials and Devices for Post-Moore Chips, Ministry of Education, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Chuangang Hu
- State Key Laboratory of Organic–Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Dongcui Li
- Hua An Tang Biotech Group Co., Ltd., Guangzhou 511434, China
| | - Naisheng Jiang
- Key Laboratory of Advanced Materials and Devices for Post-Moore Chips, Ministry of Education, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
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Cheng CW, Lee SY, Chen TY, Chen CC, Tsai HT, Huang HH, Yuann JMP, Liang JY. Photodynamic and Antibacterial Assessment of Gold Nanoparticles Mediated by Gold (III) Chloride Trihydrate and Sodium Citrate under Alkaline Conditions. MATERIALS (BASEL, SWITZERLAND) 2024; 17:3157. [PMID: 38998240 PMCID: PMC11242887 DOI: 10.3390/ma17133157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2024] [Revised: 06/23/2024] [Accepted: 06/25/2024] [Indexed: 07/14/2024]
Abstract
Sodium citrate (SC) is sensitive to violet light illumination (VLI) and acts as a weak reductant. Conversely, gold (III) chloride trihydrate (GC) often acts as an oxidant in a redox reaction. In this study, the influences of colored light on the production of gold nanoparticles (AuNPs) in a mixture of gold (III) ions and citrate via VLI and the antibacterial photodynamic inactivation (aPDI) of Escherichia coli (E. coli) are determined under alkaline conditions. The diameter of AuNPs is within the range of 3-15 nm, i.e., their mean diameter is 9 nm; when citrate is mixed with gold (III) ions under VLI, AuNPs are formed via an electron transfer process. Additionally, GC mixed with SC (GCSC) inhibits E. coli more effectively under VLI than it does under blue, green, or red light. GCSC and SC are shown to inhibit E. coli populations by 4.67 and 1.12 logs, respectively, via VLI at 10 W/m2 for 60 min under alkaline conditions. GCSC-treated E. coli has a more significant photolytic effect on anionic superoxide radical (O2•-) formation under VLI, as more O2•- is formed within E. coli if the GCSC-treated samples are subjected to VLI. The O2•- exhibits a greater effect in a solution of GCSC than that shown by SC alone under VLI treatment. Gold (III) ions in a GCSC system appear to act as an oxidant by facilitating the electron transfer from citrate under VLI and the formation of AuNPs and O2•- via GCSC photolysis under alkaline conditions. As such, the photolysis of GCSC under VLI is a useful process that can be applied to aPDI.
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Affiliation(s)
- Chien-Wei Cheng
- Department of Biotechnology, Ming Chuan University, Taoyuan City 33343, Taiwan; (C.-W.C.); (T.-Y.C.); (C.-C.C.)
| | - Shwu-Yuan Lee
- Department of Tourism and Leisure, Hsing Wu University, New Taipei City 24452, Taiwan;
| | - Tang-Yu Chen
- Department of Biotechnology, Ming Chuan University, Taoyuan City 33343, Taiwan; (C.-W.C.); (T.-Y.C.); (C.-C.C.)
| | - Ching-Chuan Chen
- Department of Biotechnology, Ming Chuan University, Taoyuan City 33343, Taiwan; (C.-W.C.); (T.-Y.C.); (C.-C.C.)
| | - Hsien-Tsung Tsai
- Tea and Beverage Research Station, Taoyuan City 32654, Taiwan; (H.-T.T.); (H.-H.H.)
| | - Hsuan-Han Huang
- Tea and Beverage Research Station, Taoyuan City 32654, Taiwan; (H.-T.T.); (H.-H.H.)
| | - Jeu-Ming P. Yuann
- Department of Biotechnology, Ming Chuan University, Taoyuan City 33343, Taiwan; (C.-W.C.); (T.-Y.C.); (C.-C.C.)
| | - Ji-Yuan Liang
- Department of Biotechnology, Ming Chuan University, Taoyuan City 33343, Taiwan; (C.-W.C.); (T.-Y.C.); (C.-C.C.)
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Fu X, Li P, Chen X, Ma Y, Wang R, Ji W, Gu J, Sheng B, Wang Y, Zhang Z. Ceria nanoparticles: biomedical applications and toxicity. J Zhejiang Univ Sci B 2024; 25:361-388. [PMID: 38725338 PMCID: PMC11087188 DOI: 10.1631/jzus.b2300854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 01/29/2024] [Indexed: 05/13/2024]
Abstract
Ceria nanoparticles (CeO2 NPs) have become popular materials in biomedical and industrial fields due to their potential applications in anti-oxidation, cancer therapy, photocatalytic degradation of pollutants, sensors, etc. Many methods, including gas phase, solid phase, liquid phase, and the newly proposed green synthesis method, have been reported for the synthesis of CeO2 NPs. Due to the wide application of CeO2 NPs, concerns about their adverse impacts on human health have been raised. This review covers recent studies on the biomedical applications of CeO2 NPs, including their use in the treatment of various diseases (e.g., Alzheimer's disease, ischemic stroke, retinal damage, chronic inflammation, and cancer). CeO2 NP toxicity is discussed in terms of the different systems of the human body (e.g., cytotoxicity, genotoxicity, respiratory toxicity, neurotoxicity, and hepatotoxicity). This comprehensive review covers both fundamental discoveries and exploratory progress in CeO2 NP research that may lead to practical developments in the future.
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Affiliation(s)
- Xiaoxuan Fu
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, China
| | - Peng Li
- Department of Nephrology, Yantai Yuhuangding Hospital, Qingdao University, Yantai 264005, China
| | - Xi Chen
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, China
| | - Yuanyuan Ma
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, China
| | - Rong Wang
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, China
| | - Wenxuan Ji
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, China
| | - Jiakuo Gu
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, China
| | - Bowen Sheng
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, China
| | - Yizhou Wang
- Institute of Crop Science, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China. ,
| | - Zhuhong Zhang
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, China.
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Warghane A, Saini R, Shri M, Andankar I, Ghosh DK, Chopade BA. Application of nanoparticles for management of plant viral pathogen: Current status and future prospects. Virology 2024; 592:109998. [PMID: 38301447 DOI: 10.1016/j.virol.2024.109998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 12/29/2023] [Accepted: 01/18/2024] [Indexed: 02/03/2024]
Abstract
Plant viruses are responsible for nearly 47 % of all crop losses brought by plant diseases, which have a considerable negative impact on agricultural output. Nanoparticles have the potential to greatly raise agricultural output due to their wonderful applications in the fields of highly sensitive biomolecular detection, disease diagnostics, antimicrobials, and therapeutic compounds. The application of nanotechnology in plant virology is known as nanophytovirology, and it involves biostimulation, drug transport, genetic manipulation, therapeutic agents, and induction of plant defenses. The inactivation and denaturation of capsid protein, nucleic acids (RNA or DNA), and other protein constituents are involved in the underlying mechanism. To determine the precise mechanism by which nanoparticles affect viral mobility, reproduction, encapsidation, and transmission, more research is however required. Nanoparticles can be used to precisely detect plant viruses using nanobiosensors or as biostimulants. The varieties of nanoparticles employed in plant virus control and their methods of virus suppression are highlighted in this review.
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Affiliation(s)
- Ashish Warghane
- School of Applied Sciences and Technology (SAST), Gujarat Technological University, Ahmedabad, Gujarat, India.
| | - Rashmi Saini
- Department of Zoology, Gargi College, University of Delhi, Delhi, India.
| | - Manju Shri
- School of Applied Sciences and Technology (SAST), Gujarat Technological University, Ahmedabad, Gujarat, India
| | - Isha Andankar
- School of Biosciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, India
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Cheng CW, Lee SY, Zhan SQ, Huang CL, Chen TY, Yuann JMP, Huang ST, Chiu CM, Liang JY. The effect of photolysis of sodium citrate treated with gold chloride using coloured light on the generation of gold nanoparticles and the repression of WiDr colon cancer cells. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2024; 251:112844. [PMID: 38224669 DOI: 10.1016/j.jphotobiol.2024.112844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/30/2023] [Accepted: 01/08/2024] [Indexed: 01/17/2024]
Abstract
Gold nanoparticles (GNPs) are usually formed via a wet chemical method using gold (III) chloride trihydrate (GC), which is treated with stable reducing agents such as sodium citrate (SC). This study determines the effect of coloured light on the formation of GNPs by irradiation of SC after the addition of GC (SCGC) and the effect of the SCGC photolytic procedure on the suppression of WiDr colon cancer cells by forming reactive oxygen species. The absorbance of surface plasmon resonance peaks at 523 nm are 0.069 and 0.219 for SCGC when treated with blue light illumination (BLI) and violet light irradiation (VLI), respectively, whereas green and red light treatments have little or no effect. Most GNPs have diameters ranging from 3 to 15 nm, with a mean of 6 nm, when SCGC is exposed to VLI for 1.5 h. Anionic superoxide radicals (O2•-) are formed in a charge-transfer process after SCGC under VLI treatment; however, BLI treatment produces no significant reaction. Moreover, SCGC under VLI treatment proves to be considerably more effective at inhibiting WiDr cells than BLI treatment, as firstly reported in this study. The reduction rates for WiDr cells treated with SCGC under BLI and VLI at an intensity of 2.0 mW/cm2 for 1.5 h (energy dose, 10.8 J/cm2) are 4.1% and 57.7%, respectively. The suppression rates for WiDr cells treated with SCGC are inhibited in an irradiance-dependent manner, the inhibition percentages being 57.7%, 63.3%, and 80.2% achieved at VLI intensities of 2.0, 4.0, and 6.0 mW/cm2 for 1.5 h, respectively. Propidium iodide is a fluorescent dye that detects DNA changes after cell death. The number of propidium iodide-positive nuclei significantly increases in WiDr cells treated with SCGC under VLI, suggesting that SCGC photolysis under VLI is a potential treatment option for the photodynamic therapy process.
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Affiliation(s)
- Chien-Wei Cheng
- Department of Biotechnology, Ming Chuan University, GuiShan 33343, Taiwan.
| | - Shwu-Yuan Lee
- Department of Tourism and Leisure, Hsing Wu University, New Taipei City 24452, Taiwan.
| | - Shao-Qi Zhan
- Department of Biotechnology, Ming Chuan University, GuiShan 33343, Taiwan.
| | - Cheng-Liang Huang
- Department of Applied Chemistry, National Chiayi University, Chiayi City 60004, Taiwan.
| | - Tang-Yu Chen
- Department of Biotechnology, Ming Chuan University, GuiShan 33343, Taiwan.
| | - Jeu-Ming P Yuann
- Department of Biotechnology, Ming Chuan University, GuiShan 33343, Taiwan.
| | - Shiuh-Tsuen Huang
- Department of Science Education and Application, National Taichung University of Education, Taichung 40306, Taiwan; Department of Soil and Environmental Sciences, National Chung Hsing University, Taichung 40200, Taiwan.
| | - Chi-Ming Chiu
- Department of Biotechnology, Ming Chuan University, GuiShan 33343, Taiwan.
| | - Ji-Yuan Liang
- Department of Biotechnology, Ming Chuan University, GuiShan 33343, Taiwan.
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Serov DA, Khabatova VV, Vodeneev V, Li R, Gudkov SV. A Review of the Antibacterial, Fungicidal and Antiviral Properties of Selenium Nanoparticles. MATERIALS (BASEL, SWITZERLAND) 2023; 16:5363. [PMID: 37570068 PMCID: PMC10420033 DOI: 10.3390/ma16155363] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/21/2023] [Accepted: 07/28/2023] [Indexed: 08/13/2023]
Abstract
The resistance of microorganisms to antimicrobial drugs is an important problem worldwide. To solve this problem, active searches for antimicrobial components, approaches and therapies are being carried out. Selenium nanoparticles have high potential for antimicrobial activity. The relevance of their application is indisputable, which can be noted due to the significant increase in publications on the topic over the past decade. This review of research publications aims to provide the reader with up-to-date information on the antimicrobial properties of selenium nanoparticles, including susceptible microorganisms, the mechanisms of action of nanoparticles on bacteria and the effect of nanoparticle properties on their antimicrobial activity. This review describes the most complete information on the antiviral, antibacterial and antifungal effects of selenium nanoparticles.
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Affiliation(s)
- Dmitry A. Serov
- Prokhorov General Physics Institute of the Russian Academy of Sciences, Vavilove St. 38, 119991 Moscow, Russia; (D.A.S.); (V.V.K.)
| | - Venera V. Khabatova
- Prokhorov General Physics Institute of the Russian Academy of Sciences, Vavilove St. 38, 119991 Moscow, Russia; (D.A.S.); (V.V.K.)
| | - Vladimir Vodeneev
- Institute of Biology and Biomedicine, Lobachevsky State University of Nizhny Novgorod, Gagarin av. 23, 603105 Nizhny Novgorod, Russia;
| | - Ruibin Li
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions, Suzhou Medical College, Soochow University, Suzhou 215123, China;
| | - Sergey V. Gudkov
- Prokhorov General Physics Institute of the Russian Academy of Sciences, Vavilove St. 38, 119991 Moscow, Russia; (D.A.S.); (V.V.K.)
- Institute of Biology and Biomedicine, Lobachevsky State University of Nizhny Novgorod, Gagarin av. 23, 603105 Nizhny Novgorod, Russia;
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7
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Kulkarni S, Kumar S, Acharya S. Gold Nanoparticles in Cancer Therapeutics and Diagnostics. Cureus 2022; 14:e30096. [DOI: 10.7759/cureus.30096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 10/08/2022] [Indexed: 11/07/2022] Open
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Białas N, Sokolova V, van der Meer SB, Knuschke T, Ruks T, Klein K, Westendorf AM, Epple M. Bacteria (
E. coli
) take up ultrasmall gold nanoparticles (2 nm) as shown by different optical microscopic techniques (CLSM, SIM, STORM). NANO SELECT 2022. [DOI: 10.1002/nano.202200049] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Affiliation(s)
- Nataniel Białas
- Inorganic Chemistry and Centre for Nanointegration Duisburg‐Essen (CENIDE) University of Duisburg‐Essen Essen Germany
| | - Viktoriya Sokolova
- Inorganic Chemistry and Centre for Nanointegration Duisburg‐Essen (CENIDE) University of Duisburg‐Essen Essen Germany
| | - Selina Beatrice van der Meer
- Inorganic Chemistry and Centre for Nanointegration Duisburg‐Essen (CENIDE) University of Duisburg‐Essen Essen Germany
| | - Torben Knuschke
- Infection Immunology Institute of Medical Microbiology University Hospital Essen University Duisburg‐Essen Essen Germany
| | - Tatjana Ruks
- Inorganic Chemistry and Centre for Nanointegration Duisburg‐Essen (CENIDE) University of Duisburg‐Essen Essen Germany
| | - Kai Klein
- Inorganic Chemistry and Centre for Nanointegration Duisburg‐Essen (CENIDE) University of Duisburg‐Essen Essen Germany
| | - Astrid M. Westendorf
- Infection Immunology Institute of Medical Microbiology University Hospital Essen University Duisburg‐Essen Essen Germany
| | - Matthias Epple
- Inorganic Chemistry and Centre for Nanointegration Duisburg‐Essen (CENIDE) University of Duisburg‐Essen Essen Germany
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Overview of antimicrobial polyurethane-based nanocomposite materials and associated signalling pathways. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111087] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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Burketová L, Martinec J, Siegel J, Macůrková A, Maryška L, Valentová O. Noble metal nanoparticles in agriculture: impacts on plants, associated microorganisms, and biotechnological practices. Biotechnol Adv 2022; 58:107929. [DOI: 10.1016/j.biotechadv.2022.107929] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 02/14/2022] [Accepted: 02/15/2022] [Indexed: 02/07/2023]
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Ray P, Lodha T, Biswas A, Sau TK, Ramana CV. Particle specific physical and chemical effects on antibacterial activities: A comparative study involving gold nanostars, nanorods and nanospheres. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.127915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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12
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Tangthong T, Piroonpan T, Thipe VC, Khoobchandani M, Katti K, Katti KV, Pasanphan W. Bombesin Peptide Conjugated Water-Soluble Chitosan Gallate-A New Nanopharmaceutical Architecture for the Rapid One-Pot Synthesis of Prostate Tumor Targeted Gold Nanoparticles. Int J Nanomedicine 2021; 16:6957-6981. [PMID: 34675516 PMCID: PMC8520890 DOI: 10.2147/ijn.s327045] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 09/17/2021] [Indexed: 01/28/2023] Open
Abstract
PURPOSE We report herein bombesin peptide conjugated water-soluble chitosan gallate as a template for rapid one-pot synthesis of gold nanoparticles (AuNPs) with capabilities to target receptors on prostate cancer cells. METHODS Water-soluble chitosan (WCS), anchored with gallic acid (GA) and LyslLys3 (1,4,7,10-tetraazacyclo dodecane-1,4,7,10-tetraacetic acid) bombesin 1-14 (DBBN) peptide, provides a tumor targeting nanomedicine agent. WCS nanoplatforms provide attractive strategies with built-in capabilities to reduce gold (III) to gold nanoparticles with stabilizing and tumor-targeting capabilities. WCS-GA-DBBN encapsulation around gold nanoparticles affords optimum in vitro stability. RESULTS The DBBN content in the WCS-GA-DBBN sample was ~27%w/w. The antioxidant activities of WCS-GA and WCS-GA-DBBN nanocolloids were enhanced by 12 times as compared to the nascent WCS. AuNPs with a desirable hydrodynamic diameter range of 40-60 nm have been efficiently synthesized using WCS-GA and WCS-GA-DBBN platforms. The AuNPs were stable over 4 days after preparation and ~3 days after subjecting to all relevant biological fluids. The AuNPs capped with WCS-GA-DBBN peptide exhibited superior cellular internalization into prostate tumor (PC-3) cells with evidence of receptor mediated endocytosis. CONCLUSION The AuNPs capped with WCS-GA-DBBN exhibited selective affinity toward prostate cancer cells. AuNPs conjugated with WCS-GA-DBBN serve as a new generation of theranostic agents for treating various neoplastic diseases, thus opening-up new applications in oncology.
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Affiliation(s)
- Theeranan Tangthong
- Department of Materials Science, Faculty of Science, Kasetsart University, Chatuchak, Bangkok, 10900, Thailand
- Center of Radiation Processing for Polymer Modification and Nanotechnology (CRPN), Department of Materials Science, Faculty of Science, Kasetsart University Chatuchak, Bangkok, 10900, Thailand
| | - Thananchai Piroonpan
- Center of Radiation Processing for Polymer Modification and Nanotechnology (CRPN), Department of Materials Science, Faculty of Science, Kasetsart University Chatuchak, Bangkok, 10900, Thailand
| | - Velaphi C Thipe
- Department of Chemistry, University of Missouri, Columbia, MO, 65211, USA
- Institute of Green Nanotechnology, University of Missouri, Columbia, MO, 65211, USA
| | - Menka Khoobchandani
- Institute of Green Nanotechnology, University of Missouri, Columbia, MO, 65211, USA
- Department of Radiology, University of Missouri, Columbia, MO, 65211, USA
| | - Kavita Katti
- Institute of Green Nanotechnology, University of Missouri, Columbia, MO, 65211, USA
- Department of Radiology, University of Missouri, Columbia, MO, 65211, USA
| | - Kattesh V Katti
- Institute of Green Nanotechnology, University of Missouri, Columbia, MO, 65211, USA
- Department of Radiology, University of Missouri, Columbia, MO, 65211, USA
- Department of Physics, University of Missouri, Columbia, MO, 65211, USA
| | - Wanvimol Pasanphan
- Department of Materials Science, Faculty of Science, Kasetsart University, Chatuchak, Bangkok, 10900, Thailand
- Center of Radiation Processing for Polymer Modification and Nanotechnology (CRPN), Department of Materials Science, Faculty of Science, Kasetsart University Chatuchak, Bangkok, 10900, Thailand
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Mba IE, Nweze EI. Nanoparticles as therapeutic options for treating multidrug-resistant bacteria: research progress, challenges, and prospects. World J Microbiol Biotechnol 2021. [PMID: 34046779 DOI: 10.1007/s11274-021-03070-x/tables/5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/23/2023]
Abstract
Resistance to antimicrobial agents has been alarming in recent years and poses a huge public health threat globally according to the WHO. The increase in morbidity and mortality resulting from microbial infections has been attributed to the emergence of multidrug-resistant microbes. Associated with the increase in multidrug resistance is the lack of new and effective antimicrobials. This has led to global initiatives to identify novel and more effective antimicrobial agents in addition to discovering novel and effective drug delivery and targeting methods. The use of nanoparticles as novel biomaterials to fully achieve this feat is currently gaining global attention. Nanoparticles could become an indispensable viable therapeutic option for treating drug-resistant infections. Of all the nanoparticles, the metals and metal oxide nanoparticles appear to offer the most promise and have attracted tremendous interest from many researchers. Moreover, the use of nanomaterials in photothermal therapy has received considerable attention over the years. This review provides current insight on antimicrobial resistance as well as the mechanisms of nanoparticle antibacterial activity. It offers an in-depth review of all the recent findings in the use of nanomaterials as agents against multi-resistant pathogenic bacteria. Also, nanomaterials that can respond to light stimuli (photothermal therapy) to kill microbes and facilitate enhanced drug delivery and release are discussed. Moreover, the synergistic interactions of nanoparticles with antibiotics and other nanomaterials, microbial adaptation strategies to nanoparticles, current challenges, and future prospects were extensively discussed.
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Affiliation(s)
- Ifeanyi E Mba
- Department of Microbiology, University of Nigeria, Nsukka, Nigeria
| | - Emeka I Nweze
- Department of Microbiology, University of Nigeria, Nsukka, Nigeria.
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Nanoparticles as therapeutic options for treating multidrug-resistant bacteria: research progress, challenges, and prospects. World J Microbiol Biotechnol 2021; 37:108. [PMID: 34046779 PMCID: PMC8159659 DOI: 10.1007/s11274-021-03070-x] [Citation(s) in RCA: 88] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Accepted: 05/16/2021] [Indexed: 11/17/2022]
Abstract
Resistance to antimicrobial agents has been alarming in recent years and poses a huge public health threat globally according to the WHO. The increase in morbidity and mortality resulting from microbial infections has been attributed to the emergence of multidrug-resistant microbes. Associated with the increase in multidrug resistance is the lack of new and effective antimicrobials. This has led to global initiatives to identify novel and more effective antimicrobial agents in addition to discovering novel and effective drug delivery and targeting methods. The use of nanoparticles as novel biomaterials to fully achieve this feat is currently gaining global attention. Nanoparticles could become an indispensable viable therapeutic option for treating drug-resistant infections. Of all the nanoparticles, the metals and metal oxide nanoparticles appear to offer the most promise and have attracted tremendous interest from many researchers. Moreover, the use of nanomaterials in photothermal therapy has received considerable attention over the years. This review provides current insight on antimicrobial resistance as well as the mechanisms of nanoparticle antibacterial activity. It offers an in-depth review of all the recent findings in the use of nanomaterials as agents against multi-resistant pathogenic bacteria. Also, nanomaterials that can respond to light stimuli (photothermal therapy) to kill microbes and facilitate enhanced drug delivery and release are discussed. Moreover, the synergistic interactions of nanoparticles with antibiotics and other nanomaterials, microbial adaptation strategies to nanoparticles, current challenges, and future prospects were extensively discussed.
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Pereira MC, Adewale OB, Roux S, Cairncross L, Davids H. Biochemical assessment of the neurotoxicity of gold nanoparticles functionalized with colorectal cancer-targeting peptides in a rat model. Hum Exp Toxicol 2021; 40:1962-1973. [PMID: 34002645 DOI: 10.1177/09603271211017611] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The application of gold nanoparticle-peptide conjugates as theranostic agents for colorectal cancer shows much promise. This study aimed at determining the neurotoxic impact of 14 nm gold nanoparticles (AuNPs) functionalized with colorectal cancer-targeting peptides (namely p.C, p.L or p.14) in a rat model. Brain tissue samples, obtained from Wistar rats that received a single injection of citrate-capped AuNPs, polyethylene glycol-coated (PEG) AuNPs, p.C-PEG-AuNPs, p.L-PEG-AuNPs or p.14-PEG-AuNPs, and sacrificed after 2- and 12-weeks, respectively, were analysed. Inflammation marker (tumour necrosis factor-α, interleukin-6, interleukin-1β), oxidative stress (superoxide dismutase, catalase, glutathione peroxidase) and apoptotic biomarker (cytochrome c, caspase-3) levels were measured. Gold nanoparticle-treated groups sacrificed after 2-weeks did not exhibit any significant inflammatory, oxidative stress or apoptotic effects in brain tissue compared to the untreated control group. In brain tissue from rats that were exposed to citrate-capped AuNPs for 12-weeks, tumour necrosis factor-α and interleukin-6 levels were significantly increased compared to the untreated control. Exposure to PEG-AuNP, p.C-PEG-AuNP, p.L-PEG-AuNP and p.14-PEG-AuNP did not elicit significant toxic effects compared to the control after 12-weeks, as evidenced by the absence of inflammatory, oxidative stress and apoptotic effects in brain tissue. We thus report on the safety of PEG-coated AuNP-peptide conjugates for potential application in the diagnosis of colorectal cancer; however, exposure to citrate-capped AuNPs could induce delayed neuro-inflammation, and as such, warrants further investigation.
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Affiliation(s)
- M C Pereira
- Department of Human Physiology, Nelson Mandela University, Port Elizabeth, South Africa
| | - O B Adewale
- Department of Chemical Sciences, Biochemistry, Afe Babalola University, Ado-Ekiti, Nigeria.,Department of Biochemistry and Microbiology, Nelson Mandela University, Port Elizabeth, South Africa
| | - S Roux
- Department of Human Physiology, Nelson Mandela University, Port Elizabeth, South Africa
| | - L Cairncross
- Department of Biochemistry and Microbiology, Nelson Mandela University, Port Elizabeth, South Africa
| | - H Davids
- Department of Human Physiology, Nelson Mandela University, Port Elizabeth, South Africa
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Khorsandi K, Hosseinzadeh R, Sadat Esfahani H, Keyvani-Ghamsari S, Ur Rahman S. Nanomaterials as drug delivery systems with antibacterial properties: current trends and future priorities. Expert Rev Anti Infect Ther 2021; 19:1299-1323. [PMID: 33755503 DOI: 10.1080/14787210.2021.1908125] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Introduction:Despite extensive advances in the production and synthesis of antibiotics, infectious diseases are one of the main problems of the 21st century due to multidrug-resistant (MDR) distributing in organisms. Therefore, researchers in nanotechnology have focused on new strategies to formulate and synthesis the different types of nanoparticles (NPs) with antimicrobial properties.Areas covered:The present review focuses on nanoparticles which are divided into two groups, organic (micelles, liposomes, polymer-based and lipid-based NPs) and inorganic (metals and metal oxides). NPs can penetrate the cell wall then destroy permeability of cell membrane, the structure and function of cell macromolecules by producing of reactive oxygen species (ROS) and eventually kill the bacteria. Moreover, their characteristics and mechanism in various bacteria especially MDR bacteria and finally their biocompatibility and the factors affecting their activity have been discussed.Expert opinion:Nanotechnology has led to higher drug absorption, targeted drug delivery and fewer side effects. NPs can overcome MDR through affecting several targets in the bacteria cell and synergistically increase the effectiveness of current antibiotics. Moreover, organic NPs with regard to their biodegradability and biocompatibility characteristics can be suitable agents for medical applications. However, they are less stable in environment in comparison to inorganic NPs.
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Affiliation(s)
- Khatereh Khorsandi
- Department of Photodynamic, Medical Laser Research Center, Yara Institute, ACECR, Tehran, Iran
| | - Reza Hosseinzadeh
- Department of Medical Laser, Medical Laser Research Center, Yara Institute, ACECR, Tehran, Iran
| | - Homa Sadat Esfahani
- Department of Photodynamic, Medical Laser Research Center, Yara Institute, ACECR, Tehran, Iran
| | | | - Saeed Ur Rahman
- Interdisciplinary Research Centre in Biomedical Materials (IRCBM), COMSATS University Islamabad, Lahore Campus, Lahore, Pakistan.,Department of Oral Biology, Institute of Basic Medical Sciences, Khyber Medical University, Peshawar, Pakistan
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17
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Synergic effects of nanoparticles-mediated hyperthermia in radiotherapy/chemotherapy of cancer. Life Sci 2021; 269:119020. [PMID: 33450258 DOI: 10.1016/j.lfs.2021.119020] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 12/05/2020] [Accepted: 01/02/2021] [Indexed: 12/15/2022]
Abstract
The conventional cancer treatment modalities such as radiotherapy and chemotherapy suffer from several limitations; hence, their efficiency needs to be improved with other complementary modalities. Hyperthermia, as an adjuvant therapeutic modality for cancer, can result in a synergistic effect on radiotherapy (radiosensitizer) and chemotherapy (chemosensitizer). Conventional hyperthermia methods affect both tumoral and healthy tissues and have low specificity. In addition, a temperature gradient generates in the tissues situated along the path of the heat source, which is a more serious for deep-seated tumors. Nanoparticles (NPs)-induced hyperthermia can resolve these drawbacks through localization around/within tumoral tissue and generating local hyperthermia. Although there are several review articles dealing with NPs-induced hyperthermia, lack of a paper discussing the combination of NPs-induced hyperthermia with the conventional chemotherapy or radiotherapy is tangible. Accordingly, the main focus of the current paper is to summarize the principles of NPs-induced hyperthermia and more importantly its synergic effects on the conventional chemotherapy or radiotherapy. The heat-producing nanostructures such as gold NPs, iron oxide NPs, and carbon NPs, as well as the non-heat-producing nanostructures, such as lipid-based, polymeric, and silica-based NPs, as the carrier for heat-producing NPs, are discussed and their pros and cons highlighted.
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Monteiro JSC, Rangel EE, de Oliveira SCPS, Crugeira PJL, Nunes IPF, de A Fagnani SRC, Sampaio FJP, de Almeida PF, Pinheiro ALB. Enhancement of photodynamic inactivation of planktonic cultures of Staphylococcus aureus by DMMB-AuNPs. Photodiagnosis Photodyn Ther 2020; 31:101930. [PMID: 32717452 DOI: 10.1016/j.pdpdt.2020.101930] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 06/10/2020] [Accepted: 07/20/2020] [Indexed: 10/23/2022]
Abstract
Photodynamic inactivation is a promising method for the treatment of infectious diseases. Nanotechnology through gold nanoparticles, as a tool to improve the delivery of photosensitizer is an attractive approach to enhance photodynamic inactivation of bacteria. Moreover, gold nanoparticles enchance the absorption of light due to their plasmon resonance. The aim of this study was to evaluate in vitro photodynamic inactivation effects of 1.9-Dimethyl-Methylene Blue (DMMB)-AuNPs associated with the red LED (λ630 ηm ± 20 ηm, 125 mW, 12 J / cm², 192 s) on S. aureus strain. Eight experimental groups were studied: Control, LED, AuNPs, AuNPs + LED, DMMB, DMMB + LED, DMMB + AuNPs, DMMB + AuNPs + LED. After incubation, the number of bacteria surviving each treatment was determined and then enumerated by viable counting (CFU / mL). The logarithm of CFU / mL (CFU/mL log10) was calculated. All experiments realized in triplicate. The statistical analyses included one-way ANOVA tests, Tukey's multiple comparisons and nonlinear regression, p values <0.05 were considered statistically significant. According to results, the photodynamic inactivation of S. aureus on groups DMMB + LED and DMMB-AuNPs + LED, showed a significant reduction of the microbial load (p < 0.0001) when compared to the Control group. The decimal reduction (RD) of these groups were 99.96 % (RD = 3) and 99.994 % (RD = 4) respectively. In conclusion, these findings demonstrated that photodynamic inactivation is enhanced by using DMMB-AuNPs on S. aureus.
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Affiliation(s)
- Juliana S C Monteiro
- Department of Biology, Feira de Santana State University, Feira de Santa, BA, CEP 44036-900, Brazil; Center of Biophotonics, Federal University of Bahia, 62, Araujo Pinho Ave, Canela, Salvador, BA, CEP 40110-150, Brazil.
| | - Emília E Rangel
- Department of Biology, Feira de Santana State University, Feira de Santa, BA, CEP 44036-900, Brazil.
| | - Susana C P S de Oliveira
- Center of Biophotonics, Federal University of Bahia, 62, Araujo Pinho Ave, Canela, Salvador, BA, CEP 40110-150, Brazil.
| | - Pedro J L Crugeira
- Center of Biophotonics, Federal University of Bahia, 62, Araujo Pinho Ave, Canela, Salvador, BA, CEP 40110-150, Brazil; Laboratory of Biotechnology and Ecology of Micro-organisms, Institute of Health Science, Federal University of Bahia, Reitor Miguel Calmon Ave, S/N, Salvador, BA, CEP:40110-100, Brazil.
| | - Iago P F Nunes
- Department of Biology, Feira de Santana State University, Feira de Santa, BA, CEP 44036-900, Brazil; Center of Biophotonics, Federal University of Bahia, 62, Araujo Pinho Ave, Canela, Salvador, BA, CEP 40110-150, Brazil.
| | - Sandra R C de A Fagnani
- Department of Biology, Feira de Santana State University, Feira de Santa, BA, CEP 44036-900, Brazil; Center of Biophotonics, Federal University of Bahia, 62, Araujo Pinho Ave, Canela, Salvador, BA, CEP 40110-150, Brazil.
| | - Fernando J P Sampaio
- Department of Biology, Feira de Santana State University, Feira de Santa, BA, CEP 44036-900, Brazil; Center of Biophotonics, Federal University of Bahia, 62, Araujo Pinho Ave, Canela, Salvador, BA, CEP 40110-150, Brazil.
| | - Paulo F de Almeida
- Laboratory of Biotechnology and Ecology of Micro-organisms, Institute of Health Science, Federal University of Bahia, Reitor Miguel Calmon Ave, S/N, Salvador, BA, CEP:40110-100, Brazil.
| | - Antônio L B Pinheiro
- Center of Biophotonics, Federal University of Bahia, 62, Araujo Pinho Ave, Canela, Salvador, BA, CEP 40110-150, Brazil; National Institute of Basic Optics and Applied to Life Science, 400, Trabalhador São-Carlense Ave, Parque Arnold Schimidt, São Carlos, SP, CEP:13566-590, Brazil.
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Effects of PEG-Coated Silver and Gold Nanoparticles on Spirulina platensis Biomass during Its Growth in a Closed System. COATINGS 2020. [DOI: 10.3390/coatings10080717] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Silver and gold nanoparticles are promising tools for medical and industrial applications; therefore, their ecotoxicity should be carefully examined. There are many publications that discuss their effects at high concentrations on various organisms, while the effects of low doses have not been sufficiently investigated. In this paper, the effects of low concentrations of silver (12 nm) and gold (4.7 nm) nanoparticles coated with polyethylene glycol on Spirulina platensis biomass growth, biochemical composition, and antioxidant activity were investigated. The spirulina cultivation medium was supplemented with nanoparticles in the concentration range of 0.025–0.5 µM. The given concentrations stimulated spirulina biomass, but the content of proteins, carbohydrates, and auxiliary pigments was insignificantly affected by the presence of nanoparticles in the cultivation medium. Gold nanoparticles at a concentration of 0.5 µM produced a pronounced effect on the lipid content. Transmission electron microscope images demonstrated that the nanoparticles penetrate inside the cells and cause ultrastructural changes. The nanoparticles were characterized using several well-known techniques. The results confirmed a negative effect of low concentrations of metal nanoparticles on spirulina. This effect could be indiscernible when studying the biomass viability, but determination of the ultrastructure of the cell and the biochemical composition of the biomass could reveal it.
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Chowdhury S, Teoh YL, Ong KM, Rafflisman Zaidi NS, Mah SK. Poly(vinyl) alcohol crosslinked composite packaging film containing gold nanoparticles on shelf life extension of banana. Food Packag Shelf Life 2020. [DOI: 10.1016/j.fpsl.2020.100463] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Arora N, Thangavelu K, Karanikolos GN. Bimetallic Nanoparticles for Antimicrobial Applications. Front Chem 2020; 8:412. [PMID: 32671014 PMCID: PMC7326054 DOI: 10.3389/fchem.2020.00412] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Accepted: 04/20/2020] [Indexed: 01/17/2023] Open
Abstract
Highly effective antimicrobial agents are needed to control the emergence of new bacterial strains, their increased proliferation capability, and antibacterial resistance that severely impact public health, and several industries including water, food, textiles, and oil and gas. Recently, bimetallic nanoparticles, formed via integration of two different metals, have appeared particularly promising with antibacterial efficiencies surpassing that of monometallic counterparts due to synergistic effects, broad range of physiochemical properties, and diverse mechanisms of action. This work aims to provide a review on developed bimetallic and supported bimetallic systems emphasizing in particular on the relation between synthesis routes, properties, and resulting efficiency. Bimetallic nanostructures on graphene, zeolites, clays, fibers, polymers, as well as non-supported bimetallic nanoparticles are reviewed, their synthesis methods and resulting properties are illustrated, along with their antimicrobial activity and potential against different strains of microbes.
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Affiliation(s)
- Naman Arora
- Department of Chemical Engineering, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Kavitha Thangavelu
- Department of Chemical Engineering, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Georgios N. Karanikolos
- Department of Chemical Engineering, Khalifa University, Abu Dhabi, United Arab Emirates
- Center for Membranes and Advanced Water Technology (CMAT), Khalifa University, Abu Dhabi, United Arab Emirates
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Barreto A, Dias A, Duarte B, Pinto E, Almeida A, Trindade T, Soares AMVM, Hylland K, Loureiro S, Oliveira M. Biological effects and bioaccumulation of gold in gilthead seabream (Sparus aurata) - Nano versus ionic form. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 716:137026. [PMID: 32036137 DOI: 10.1016/j.scitotenv.2020.137026] [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: 11/29/2019] [Revised: 01/28/2020] [Accepted: 01/29/2020] [Indexed: 06/10/2023]
Abstract
The question of whether gold (Au) is more toxic as nanoparticles or in its ionic form remains unclear and controversial. The present work aimed to clarify the effects of 96 h exposure to 4, 80 and 1600 μg·L-1 of 7 nm gold nanoparticles (AuNPs) - (citrate coated (cAuNPs) or polyvinylpyrrolidone coated (PVP-AuNPs)) - and ionic Au (iAu) on gilthead seabream (Sparus aurata). Effects at different levels of biological organization (behaviour, neurotransmission, biotransformation, oxidative stress/damage and genotoxicity) were assessed. cAuNPs induced oxidative stress and damage (lipid peroxidation increase), even at 4 μg·L-1, and reduced the ability of S. aurata to swim against a water flow at 1600 μg·L-1. Exposure to cAuNPs induced more adverse effects than exposure to PVP-AuNPs. All tested concentrations of Au (nano or ionic form) induced DNA breaks and cytogenetic damage in erythrocytes of S. aurata. Generally, iAu induced significantly more effects in fish than the nano form, probably associated with the significantly higher accumulation in the fish tissues. No fish mortality was observed following exposure to AuNPs, but mortality was observed in the group exposed to 1600 μg·L-1 of iAu.
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Affiliation(s)
- A Barreto
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193 Aveiro, Portugal.
| | - A Dias
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - B Duarte
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - E Pinto
- LAQV/REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, 4050-313 Porto, Portugal; Department of Environmental Health, School of Health, P.Porto. CISA/Research Center in Environment and Health, 4200-072 Porto, Portugal
| | - A Almeida
- LAQV/REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, 4050-313 Porto, Portugal
| | - T Trindade
- Departamento de Química & CICECO, Aveiro Instituto de Materiais, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - A M V M Soares
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - K Hylland
- Department of Biosciences, University of Oslo, PO Box 1066, N-0316 Oslo, Norway
| | - S Loureiro
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - M Oliveira
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193 Aveiro, Portugal
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Barreto A, Carvalho A, Campos A, Osório H, Pinto E, Almeida A, Trindade T, Soares AMVM, Hylland K, Loureiro S, Oliveira M. Effects of gold nanoparticles in gilthead seabream-A proteomic approach. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2020; 221:105445. [PMID: 32078886 DOI: 10.1016/j.aquatox.2020.105445] [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: 09/24/2019] [Revised: 01/27/2020] [Accepted: 02/10/2020] [Indexed: 06/10/2023]
Abstract
Despite the widespread use of nanoparticles (NPs), there are still major gaps of knowledge regarding the impact of nanomaterials in the environment and aquatic animals. The present work aimed to study the effects of 7 and 40 nm gold nanoparticles (AuNPs) - citrate and polyvinylpyrrolidone (PVP) coated - on the liver proteome of the estuarine/marine fish gilthead seabream (Sparus aurata). After 96 h, exposure to AuNP elicited alterations on the abundance of 26 proteins, when compared to the control group. AuNPs differentially affected several metabolic pathways in S. aurata liver cells. Among the affected proteins were those related to cytoskeleton and cell structure, gluconeogenesis, amino acids metabolism and several processes related to protein activity (protein synthesis, catabolism, folding and transport). The increased abundance of proteins associated with energy metabolism (ATP synthase subunit beta), stress response (94 kDa glucose-regulated protein) and cytoskeleton structure (actins and tubulins) may represent the first signs of cellular oxidative stress induced by AuNPs. Although higher gold accumulation was found in the liver of S. aurata exposed to 7 nm PVP-AuNPs, the 7 nm cAuNPs were more bioactive, inducing more effects in liver proteome. Gold accumulated more in the spleen than in the other assessed tissues of S. aurata exposed to AuNPs, highlighting its potential role on the elimination of these NPs.
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Affiliation(s)
- A Barreto
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193, Aveiro, Portugal.
| | - A Carvalho
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193, Aveiro, Portugal
| | - A Campos
- CIIMAR, Centro Interdisciplinar de Investigação Marinha e Ambiental, Universidade do Porto, 4450-208, Matosinhos, Portugal
| | - H Osório
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal; Instituto de Patologia e Imunologia Molecular da Universidade do Porto, IPATIMUP, Porto, Portugal; Faculdade de Medicina, Universidade do Porto, Portugal
| | - E Pinto
- LAQV-REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal; Departamento de Saúde Ambiental, Escola Superior de Saúde, P. Porto. CISA/Centro de Investigação em Saúde e Ambiente, Rua Dr. António Bernardino de Almeida, 400, 4200-072 Porto, Portugal
| | - A Almeida
- LAQV-REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal
| | - T Trindade
- Departamento de Química & CICECO - Aveiro Instituto de Materiais, Universidade de Aveiro, 3810-193, Aveiro, Portugal
| | - A M V M Soares
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193, Aveiro, Portugal
| | - K Hylland
- Department of Biosciences, University of Oslo, PO Box 1066, N-0316, Oslo, Norway
| | - S Loureiro
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193, Aveiro, Portugal
| | - M Oliveira
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193, Aveiro, Portugal
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Garcés V, González A, Sabio L, Sánchez-Arévalo CM, Gálvez N, Dominguez-Vera JM. Magnetic and Golden Yogurts. Food as a Potential Nanomedicine Carrier. MATERIALS 2020; 13:ma13020481. [PMID: 31963902 PMCID: PMC7014100 DOI: 10.3390/ma13020481] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 01/10/2020] [Accepted: 01/16/2020] [Indexed: 12/25/2022]
Abstract
Yogurt is one of the most emblematic and popular fermented foods. It is produced by the fermentation of milk lactose by bacteria such as Streptococcus thermophilus and Lactobacillus acidophilus. Magnetic (MNPs) and gold nanoparticles (AuNPs) were incorporated into the exopolysaccharides (EPSs) of these bacteria. The functionalized bacteria were characterized by UV-vis spectroscopy and transmission electron microscopy. A large number of MNPs and AuNPs were bound to the bacterial EPS. Interestingly, the nanoparticles' (NPs) presence did not affect the bacteria's capacity to ferment milk and to produce magnetic and golden yogurts. Magnetic and golden yogurts represent the perfect combination of emblematic food and nanoparticles and have a range of potential biomedical applications: use in iron-deficiency anemia, diagnosis and hyperthermia treatment of appropriate digestive diseases, and interest in glamour cuisine.
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Use of Metallic Nanoparticles and Nanoformulations as Nanofungicides for Sustainable Disease Management in Plants. ACTA ACUST UNITED AC 2019. [DOI: 10.1007/978-3-030-17061-5_12] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Niño-Martínez N, Salas Orozco MF, Martínez-Castañón GA, Torres Méndez F, Ruiz F. Molecular Mechanisms of Bacterial Resistance to Metal and Metal Oxide Nanoparticles. Int J Mol Sci 2019; 20:E2808. [PMID: 31181755 PMCID: PMC6600416 DOI: 10.3390/ijms20112808] [Citation(s) in RCA: 135] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Revised: 06/04/2019] [Accepted: 06/06/2019] [Indexed: 02/07/2023] Open
Abstract
The increase in bacterial resistance to one or several antibiotics has become a global health problem. Recently, nanomaterials have become a tool against multidrug-resistant bacteria. The metal and metal oxide nanoparticles are one of the most studied nanomaterials against multidrug-resistant bacteria. Several in vitro studies report that metal nanoparticles have antimicrobial properties against a broad spectrum of bacterial species. However, until recently, the bacterial resistance mechanisms to the bactericidal action of the nanoparticles had not been investigated. Some of the recently reported resistance mechanisms include electrostatic repulsion, ion efflux pumps, expression of extracellular matrices, and the adaptation of biofilms and mutations. The objective of this review is to summarize the recent findings regarding the mechanisms used by bacteria to counteract the antimicrobial effects of nanoparticles.
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Affiliation(s)
- Nereyda Niño-Martínez
- Facultad de Ciencias, Universidad Autónoma de San Luis Potosí, San Luis Potosí Cp 78210, Mexico.
| | - Marco Felipe Salas Orozco
- Facultad de Estomatología, Universidad Autónoma de San Luis Potosí, San Luis Potosí Cp 78210, Mexico.
| | | | - Fernando Torres Méndez
- Facultad de Estomatología, Universidad Autónoma de San Luis Potosí, San Luis Potosí Cp 78210, Mexico.
| | - Facundo Ruiz
- Facultad de Ciencias, Universidad Autónoma de San Luis Potosí, San Luis Potosí Cp 78210, Mexico.
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Bernardos A, Piacenza E, Sancenón F, Hamidi M, Maleki A, Turner RJ, Martínez-Máñez R. Mesoporous Silica-Based Materials with Bactericidal Properties. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1900669. [PMID: 31033214 DOI: 10.1002/smll.201900669] [Citation(s) in RCA: 95] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 03/25/2019] [Indexed: 05/27/2023]
Abstract
Bacterial infections are the main cause of chronic infections and even mortality. In fact, due to extensive use of antibiotics and, then, emergence of antibiotic resistance, treatment of such infections by conventional antibiotics has become a major concern worldwide. One of the promising strategies to treat infection diseases is the use of nanomaterials. Among them, mesoporous silica materials (MSMs) have attracted burgeoning attention due to high surface area, tunable pore/particle size, and easy surface functionalization. This review discusses how one can exploit capacities of MSMs to design and fabricate multifunctional/controllable drug delivery systems (DDSs) to combat bacterial infections. At first, the emergency of bacterial and biofilm resistance toward conventional antimicrobials is described and then how nanoparticles exert their toxic effects upon pathogenic cells is discussed. Next, the main aspects of MSMs (e.g., physicochemical properties, multifunctionality, and biosafety) which one should consider in the design of MSM-based DDSs against bacterial infections are introduced. Finally, a comprehensive analysis of all the papers published dealing with the use of MSMs for delivery of antibacterial chemicals (antimicrobial agents functionalized/adsorbed on mesoporous silica (MS), MS-loaded with antimicrobial agents, gated MS-loaded with antimicrobial agents, MS with metal-based nanoparticles, and MS-loaded with metal ions) is provided.
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Affiliation(s)
- Andrea Bernardos
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València. Camí de Vera s/n, 46022, València, Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, València, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, 46012, València, Spain
| | - Elena Piacenza
- Faculty of Science, Department of Biological Sciences, University of Calgary, Calgary, AB, Canada
| | - Félix Sancenón
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València. Camí de Vera s/n, 46022, València, Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, València, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, 46012, València, Spain
- Departamento de Química, Universitat Politècnica de València, Camí de Vera s/n, 46022, València, Spain
- Unidad Mixta de Investigacion en Nanomedicina y Sensores, Universitat Politecnica de Valencia, Instituto de Investigacion Sanitaria La Fe, 46026, Valencia, Spain
| | - Mehrdad Hamidi
- Zanjan Pharmaceutical Nanotechnology Research Center (ZPNRC), Zanjan University of Medical Sciences, 45139-56184, Zanjan, Iran
| | - Aziz Maleki
- Zanjan Pharmaceutical Nanotechnology Research Center (ZPNRC), Zanjan University of Medical Sciences, 45139-56184, Zanjan, Iran
| | - Raymond J Turner
- Faculty of Science, Department of Biological Sciences, University of Calgary, Calgary, AB, Canada
| | - Ramón Martínez-Máñez
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València. Camí de Vera s/n, 46022, València, Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, València, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, 46012, València, Spain
- Departamento de Química, Universitat Politècnica de València, Camí de Vera s/n, 46022, València, Spain
- Unidad Mixta de Investigacion en Nanomedicina y Sensores, Universitat Politecnica de Valencia, Instituto de Investigacion Sanitaria La Fe, 46026, Valencia, Spain
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Larimer C, Brann MR, Powell JD, Marshall MJ, Suter JD, Addleman RS. Rapid nondestructive measurement of bacterial cultures with 3D interferometric imaging. Sci Rep 2019; 9:8055. [PMID: 31147559 PMCID: PMC6542819 DOI: 10.1038/s41598-019-43839-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Accepted: 04/24/2019] [Indexed: 01/24/2023] Open
Abstract
The agar culture plate has played a crucial role in bacteriology since the origins of the discipline and is a staple bioanalytical method for efforts ranging from research to standard clinical diagnostic tests. However, plating, inoculating, and waiting for microbes to develop colonies that are visible is time-consuming. In this work, we demonstrate white-light interferometry (WLI) as a practical tool for accelerated and improved measurement of bacterial cultures. High resolution WLI surface profile imaging was used for nondestructive characterization and counting of bacterial colonies on agar before they became visible to the naked eye. The three-dimensional (3D) morphology of Gram-negative (Pseudomonas fluorescens) and Gram-positive (Bacillus thuringiensis) bacterial species were monitored with WLI over time by collecting surface profiles of colonies on agar plates with high vertical resolution (3-5 nanometers) and large field of view (3-5 mm). This unique combination of sensitive vertical resolution and large field of view uniquely provided by WLI enables measurement of colony morphologies and nondestructive monitoring of hundreds of microcolonies. Individual bacteria were imaged within the first few hours after plating and colonies were accurately counted with results comparing favorably to counts made by traditional methods that require much longer wait times. Nondestructive imaging was used to track single cells multiplying into small colonies and the volume changes over time in these colonies were used to measure their growth rates. Based on the results herein, bioimaging with WLI was demonstrated as a novel rapid bacterial culture assay with several advantageous capabilities. Fast nondestructive counting of colony-forming units in a culture and simultaneous measurement of bacterial growth rates and colony morphology with this method may be beneficial in research and clinical applications where current methods are either too slow or are destructive.
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Affiliation(s)
- Curtis Larimer
- Pacific Northwest National Laboratory, Richland, WA, USA
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29
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Silver and Copper Nanoparticles-An Alternative in Future Mastitis Treatment and Prevention? Int J Mol Sci 2019; 20:ijms20071672. [PMID: 30987188 PMCID: PMC6480535 DOI: 10.3390/ijms20071672] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 03/30/2019] [Accepted: 04/01/2019] [Indexed: 12/13/2022] Open
Abstract
Nowadays, mastitis is one of the biggest problems in breeding dairy cattle. Treatment of this disease with conventional antibiotics is ineffective because many pathogens are resistant. Researchers have therefore been forced to look for new solutions, and metal nanoparticles (NPs) have been found to be the most appropriate agents. This study uses commercially available silver (AgNPs) and copper (CuNPs) nanoparticles and synthetized silver–copper nanoparticles (AgCuNPs) to evaluate the effect of these NPs on human and bovine mammary cells. The effect of AgNPs, CuNPs, and AgCuNPs on pathogen species commonly involved in udder inflammation (e.g., Staphylococcus aureus and Escherichia coli) was also established. The results show that commercially available NPs were of good quality and did not have a toxic effect on mammary gland tissue. AgNPs, CuNPs, and AgCuNPs also influenced or decreased the viability of pathogens. Therefore, the presented data suggest that metal NPs could be used in mastitis prevention and treatment in the future. However, the presented preliminary results require further in vivo analysis.
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30
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Radzig M, Koksharova O, Khmel I, Ivanov V, Yorov K, Kiwi J, Rtimi S, Tastekova E, Aybush A, Nadtochenko V. Femtosecond Spectroscopy of Au Hot-Electron Injection into TiO₂: Evidence for Au/TiO₂ Plasmon Photocatalysis by Bactericidal Au Ions and Related Phenomena. NANOMATERIALS 2019; 9:nano9020217. [PMID: 30736360 PMCID: PMC6410102 DOI: 10.3390/nano9020217] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Revised: 01/31/2019] [Accepted: 02/01/2019] [Indexed: 01/16/2023]
Abstract
In the present work, we provide evidence for visible light irradiation of the Au/TiO2 nanoparticles’ surface plasmon resonance band (SPR) leading to electron injection from the Au nanoparticles to the conduction band of TiO2. The Au/TiO2 SPR band is shown to greatly enhance the light absorption of TiO2 in the visible region. Evidence is presented for the light absorption by the Au/TiO2 plasmon bands leading to the dissolution of Au nanoparticles. This dissolution occurs concomitantly with the injection of the hot electrons generated by the Au plasmon into the conduction band of TiO2. The electron injection from the Au nanoparticles into TiO2 was followed by femtosecond spectroscopy. The formation of Au ions was further confirmed by the spectral shift of the transient absorption spectra of Au/TiO2. The spectral changes of the SPR band of Au/TiO2 nanoparticles induced by visible light were detected by spectrophotometer, and the morphological transformation of Au/TiO2 was revealed by electron microscopy techniques as well. Subsequently, the fate of the Au ions was sorted out during the growth and biofilm formation for some selected Gram-negative bacteria. This study compares the bactericidal mechanism of Au ions and Ag ions, which were found to be substantially different depending on the selected cell used as a probe.
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Affiliation(s)
- Marina Radzig
- Institute of Molecular Genetics, Russian Academy of Sciences, Kurchatov Sq. 2, 123182 Moscow, Russia.
| | - Olga Koksharova
- Institute of Molecular Genetics, Russian Academy of Sciences, Kurchatov Sq. 2, 123182 Moscow, Russia.
- A. N. Belozersky Institute of Physico Chemical Biology and Chemical Department of Lomonosov Moscow State University, 119992 Moscow, Russia.
| | - Inessa Khmel
- Institute of Molecular Genetics, Russian Academy of Sciences, Kurchatov Sq. 2, 123182 Moscow, Russia.
| | - Vladimir Ivanov
- Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, Leninskiy Av 31, 119991 Moscow, Russia.
| | - Khursand Yorov
- A. N. Belozersky Institute of Physico Chemical Biology and Chemical Department of Lomonosov Moscow State University, 119992 Moscow, Russia.
- Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, Leninskiy Av 31, 119991 Moscow, Russia.
| | - John Kiwi
- Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-GPAO, Station 6, CH-1015 Lausanne, Switzerland.
| | - Sami Rtimi
- Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-GPAO, Station 6, CH-1015 Lausanne, Switzerland.
| | - Elina Tastekova
- N. N. Semenov Institute of Chemical Physics, Russian Academy of Sciences, Kosigin str. 4, 119991 Moscow, Russia.
| | - Arseny Aybush
- N. N. Semenov Institute of Chemical Physics, Russian Academy of Sciences, Kosigin str. 4, 119991 Moscow, Russia.
| | - Victor Nadtochenko
- A. N. Belozersky Institute of Physico Chemical Biology and Chemical Department of Lomonosov Moscow State University, 119992 Moscow, Russia.
- N. N. Semenov Institute of Chemical Physics, Russian Academy of Sciences, Kosigin str. 4, 119991 Moscow, Russia.
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Zhang X, Jiang X, Hao Z, Qu K. Advances in online methods for monitoring microbial growth. Biosens Bioelectron 2018; 126:433-447. [PMID: 30472440 DOI: 10.1016/j.bios.2018.10.035] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Accepted: 10/16/2018] [Indexed: 12/24/2022]
Abstract
Understanding the characteristics of microbial growth is of great significance to many fields including in scientific research, the food industry, health care, and agriculture. Many methods have been established to characterize the process of microbial growth. Online and automated methods, in which sample transfer is avoided, are popular because they can facilitate the development of simple, safe, and effective growth monitoring. This review focuses on advances in online monitoring methods over the last decade (2008-2018). We specifically focus on optic- and electrochemistry-based techniques, either through contact measurements or contactless measurement. Strengths and weaknesses of each set of methods are described and we also speculate on forthcoming trends in the field.
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Affiliation(s)
- Xuzhi Zhang
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, 106, Nanjing Rd, Shinan District, Qingdao 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266235, China
| | - Xiaoyu Jiang
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, 106, Nanjing Rd, Shinan District, Qingdao 266071, China; College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China
| | - Zhihui Hao
- School of Chemistry and Pharmaceutical Sciences, Qingdao Agriculture University, 700, Changcheng Rd, Chengyang District, Qingdao 266109, China.
| | - Keming Qu
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, 106, Nanjing Rd, Shinan District, Qingdao 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266235, China.
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32
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Emerging nano-biosensing with suspended MNP microbial extraction and EANP labeling. Biosens Bioelectron 2018; 117:781-793. [PMID: 30029200 DOI: 10.1016/j.bios.2018.07.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 07/02/2018] [Accepted: 07/05/2018] [Indexed: 02/08/2023]
Abstract
Emerging nano-biosensing with suspended MNP microbial extraction and EANP labeling may ensure a secure microbe-free food supply, as rapid response detection of microbial contamination is of utmost importance. Many biosensor designs have been proposed over the past two decades, covering a broad range of binding ligands, signal amplification, and detection mechanisms. These designs may consist of self-contained test strips developed from the base up with complicated nanoparticle chemistry and intricate ligand immobilization. Other methods use multiple step-wise additions, many based upon ELISA 96-well plate technology with fluorescent detection. In addition, many biosensors use expensive antibody receptors or DNA ligands. But many of these proposed designs are impracticable for most applications or users, since they don't FIRST address the broad goals of any biosensor: Field operability, Inexpensive, with Real-time detection that is both Sensitive and Specific to target, while being as Trouble-free as possible. Described in this review are applications that utilize versatile magnetic nanoparticles (MNP) extraction, electrically active nanoparticles (EANP) labeling, and carbohydrate-based ligand chemistry. MNP provide rapid pathogen extraction from liquid samples. EANP labeling improves signal amplification and expands signaling options to include optical and electrical detection. Carbohydrate ligands are inexpensive, robust structures that are increasingly synthesized for higher selectivity. Used in conjunction with optical or electrical detection of gold nanoparticles (AuNP), carbohydrate-functionalized MNP-cell-AuNP nano-biosensing advances the goal of being the FIRST biosensor of choice in detecting microbial pathogens throughout our food supply chain.
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33
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Gold K, Slay B, Knackstedt M, Gaharwar AK. Antimicrobial Activity of Metal and Metal‐Oxide Based Nanoparticles. ADVANCED THERAPEUTICS 2018. [DOI: 10.1002/adtp.201700033] [Citation(s) in RCA: 233] [Impact Index Per Article: 38.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Karli Gold
- Department of Biomedical Engineering Texas A&M University College Station TX 77843 USA
| | - Buford Slay
- Department of Biomedical Engineering Texas A&M University College Station TX 77843 USA
| | - Mark Knackstedt
- Department of Biomedical Engineering Texas A&M University College Station TX 77843 USA
| | - Akhilesh K. Gaharwar
- Department of Biomedical Engineering Texas A&M University College Station TX 77843 USA
- Department of Materials Science and Engineering Texas A&M University College Station TX 77843 USA
- Center for Remote Health and Technology Texas A&M University College Station TX 77843 USA
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34
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Investigating the Role of Gold Nanoparticle Shape and Size in Their Toxicities to Fungi. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 15:ijerph15050998. [PMID: 29772665 PMCID: PMC5982037 DOI: 10.3390/ijerph15050998] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 05/10/2018] [Accepted: 05/12/2018] [Indexed: 11/16/2022]
Abstract
Gold nanoparticles (GNPs) are increasingly being used in a wide range of applications, and such they are being released in greater quantities into the environment. Consequently, the environmental effects of GNPs, especially toxicities to living organisms, have drawn great attention. However, their toxicological characteristics still remain unclear. Fungi, as the decomposers of the ecosystem, interact directly with the environment and critically control the overall health of the biosphere. Thus, their sensitivity to GNP toxicity is particularly important. The aim of this study was to evaluate the role of GNP shape and size in their toxicities to fungi, which could help reveal the ecotoxicity of GNPs. Aspergillus niger, Mucor hiemalis, and Penicillium chrysogenum were chosen for toxicity assessment, and spherical and star/flower-shaped GNPs ranging in size from 0.7 nm to large aggregates of 400 nm were synthesised. After exposure to GNPs and their corresponding reaction agents and incubation for 48 h, the survival rates of each kind of fungus were calculated and compared. The results indicated that fungal species was the major determinant of the variation of survival rates, whereby A. niger was the most sensitive and M. himalis was the least sensitive to GNP exposure. Additionally, larger and non-spherical GNPs had relatively stronger toxicities.
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35
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Mudzhiri NM, Zakhidov ST, Rudoy VM, Dement’eva OV, Makarov AA, Makarova IV, Zelenina IA, Andreeva LE, Marshak TL. Cytogenetic Activity of Gold Nanoparticles in Germ and Somatic Cells of 129 Mice with a Nonsense Mutation in the DNA Polymerase Iota Gene. BIOL BULL+ 2018. [DOI: 10.1134/s1062359018020085] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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36
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George JM, Magogotya M, Vetten MA, Buys AV, Gulumian M. From the Cover: An Investigation of the Genotoxicity and Interference of Gold Nanoparticles in Commonly Used In Vitro Mutagenicity and Genotoxicity Assays. Toxicol Sci 2018; 156:149-166. [PMID: 28108664 DOI: 10.1093/toxsci/kfw247] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The suitability of 4 in vitro assays, commonly used for mutagenicity and genotoxicity assessment, was investigated in relation to treatment with 14 nm citrate-stabilized gold nanoparticles (AuNPs). Specifically, the Ames test was conducted without metabolic activation, where no mutagenic effects were observed. High resolution transmission electron microscopy and Cytoviva dark-field image analysis showed that AuNPs did not enter the bacterial cells, thus confirming the unreliability of the Ames test for nanoparticle mutagenicity studies. In addition, the Chinese hamster ovary (CHO) cell line was used for Comet, Chromosome aberration and Micronucleus assays. CHO cells were treated with AuNPs for 20 h at 37 °C. Cytotoxicity was not detected by cell impedance studies even though AuNP uptake was confirmed using Cytoviva image analysis. The DNA damage was statistically significant in treated cells when assessed by the Comet assay. However, minimal and nonstatistically significant chromosomal DNA damage was observed using the chromosome aberration and micronucleus assays. In this study, we showed that false positive results obtained with Comet assay may have been due to the possibility of direct contact between the residual, intracellular AuNPs and DNA during the assay procedure. Therefore, the chromosome aberration and micronucleus assays are better suited to assess the genotoxic effects of nanoparticles due to low probability of such direct contact occurring. Genotoxic effect of 14 and 20 nm citrate-stabilized, as well as, 14 nm PCOOH AuNPs were also investigated using chromosome aberration and micronucleus assays. Based on our acceptance criteria for a positive genotoxic response, none of the AuNPs were found to be genotoxic in either of these assays.
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Affiliation(s)
- Jiya M George
- Toxicology and Biochemistry Department, National Institute for Occupational Health, Johannesburg 2000, Gauteng, South Africa
| | - Millicent Magogotya
- Toxicology and Biochemistry Department, National Institute for Occupational Health, Johannesburg 2000, Gauteng, South Africa.,Department of Biotechnology and Food Technology, Tshwane University of Technology, Nelson Mandela Drive, Private Bag X680, Pretoria 0001, South Africa
| | - Melissa A Vetten
- Toxicology and Biochemistry Department, National Institute for Occupational Health, Johannesburg 2000, Gauteng, South Africa.,Haematology and Molecular Medicine, School of Pathology, Medical School, University of the Witwatersrand, Parktown, Johannesburg 2001, Gauteng, South Africa
| | - Antoinette V Buys
- Laboratory for Microscopy and Micro-analysis, University of Pretoria, Hatfield Campus, Pretoria 0002, South Africa
| | - Mary Gulumian
- Toxicology and Biochemistry Department, National Institute for Occupational Health, Johannesburg 2000, Gauteng, South Africa.,Haematology and Molecular Medicine, School of Pathology, Medical School, University of the Witwatersrand, Parktown, Johannesburg 2001, Gauteng, South Africa
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37
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Mostafa M, Amal-Asran, Almoammar H, Abd-Elsalam KA. Nanoantimicrobials Mechanism of Action. NANOTECHNOLOGY IN THE LIFE SCIENCES 2018:281-322. [DOI: 10.1007/978-3-319-91161-8_11] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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38
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Ebrahimi A, Azarban H, Habibian S, Mahzunieh M, Lotfalian S. Evaluation of Anti biofilm and Antibiotic Synergistic Activities of Silver Nano particles Against Some Common Bacterial Pathogens. INTERNATIONAL JOURNAL OF BASIC SCIENCE IN MEDICINE 2017. [DOI: 10.15171/ijbsm.2017.24] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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39
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Multiple endpoints to evaluate pristine and remediated titanium dioxide nanoparticles genotoxicity in lung epithelial A549 cells. Toxicol Lett 2017; 276:48-61. [DOI: 10.1016/j.toxlet.2017.05.016] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Revised: 05/05/2017] [Accepted: 05/15/2017] [Indexed: 12/14/2022]
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40
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Penders J, Stolzoff M, Hickey DJ, Andersson M, Webster TJ. Shape-dependent antibacterial effects of non-cytotoxic gold nanoparticles. Int J Nanomedicine 2017; 12:2457-2468. [PMID: 28408817 PMCID: PMC5383085 DOI: 10.2147/ijn.s124442] [Citation(s) in RCA: 79] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Gold nanoparticles (AuNPs) of various shapes (including spheres, stars and flowers), with similar dimensions, were synthesized and evaluated for their antibacterial effects toward Staphylococcus aureus, a bacterium responsible for numerous life-threatening infections worldwide. Optical growth curve measurements and Gompertz modeling showed significant AuNP shape- and concentration-dependent decreases in bacterial growth with increases in bacterial growth lag time. To evaluate prospective use in in vivo systems, the cytotoxicity of the same AuNPs was evaluated toward human dermal fibroblasts in vitro by 3-(4,5 dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium (MTS) viability assays and confocal microscopy. No indication of any mammalian cell toxicity or morphological effects was found. Additionally, it was observed that the AuNPs were readily internalized in fibroblasts after 4 days of incubation. Most importantly, the results of the present study showed that gold nanoflowers in particular possessed the most promising non-cytotoxic mammalian cell behavior with the greatest shape-dependent antibacterial activity-promising properties for their future investigation in a wide range of anti-infection applications.
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Affiliation(s)
- Jelle Penders
- Department of Chemical Engineering, Northeastern University, Boston, MA, USA.,Department of Chemistry and Chemical Engineering, Chalmers University of Technology, Göteborg, Sweden
| | - Michelle Stolzoff
- Department of Bioengineering, Northeastern University, Boston, MA, USA
| | - Daniel J Hickey
- Department of Chemical Engineering, Northeastern University, Boston, MA, USA
| | - Martin Andersson
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, Göteborg, Sweden
| | - Thomas J Webster
- Department of Chemical Engineering, Northeastern University, Boston, MA, USA
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41
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Zhang D, Gökce B, Barcikowski S. Laser Synthesis and Processing of Colloids: Fundamentals and Applications. Chem Rev 2017; 117:3990-4103. [PMID: 28191931 DOI: 10.1021/acs.chemrev.6b00468] [Citation(s) in RCA: 382] [Impact Index Per Article: 54.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Driven by functionality and purity demand for applications of inorganic nanoparticle colloids in optics, biology, and energy, their surface chemistry has become a topic of intensive research interest. Consequently, ligand-free colloids are ideal reference materials for evaluating the effects of surface adsorbates from the initial state for application-oriented nanointegration purposes. After two decades of development, laser synthesis and processing of colloids (LSPC) has emerged as a convenient and scalable technique for the synthesis of ligand-free nanomaterials in sealed environments. In addition to the high-purity surface of LSPC-generated nanoparticles, other strengths of LSPC include its high throughput, convenience for preparing alloys or series of doped nanomaterials, and its continuous operation mode, suitable for downstream processing. Unscreened surface charge of LSPC-synthesized colloids is the key to achieving colloidal stability and high affinity to biomolecules as well as support materials, thereby enabling the fabrication of bioconjugates and heterogeneous catalysts. Accurate size control of LSPC-synthesized materials ranging from quantum dots to submicrometer spheres and recent upscaling advancement toward the multiple-gram scale are helpful for extending the applicability of LSPC-synthesized nanomaterials to various fields. By discussing key reports on both the fundamentals and the applications related to laser ablation, fragmentation, and melting in liquids, this Article presents a timely and critical review of this emerging topic.
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Affiliation(s)
- Dongshi Zhang
- Technical Chemistry I and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen , Universitaetsstrasse 7, 45141 Essen, Germany
| | - Bilal Gökce
- Technical Chemistry I and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen , Universitaetsstrasse 7, 45141 Essen, Germany
| | - Stephan Barcikowski
- Technical Chemistry I and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen , Universitaetsstrasse 7, 45141 Essen, Germany
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42
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Ahmed KBA, Raman T, Veerappan A. Future prospects of antibacterial metal nanoparticles as enzyme inhibitor. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 68:939-947. [PMID: 27524096 DOI: 10.1016/j.msec.2016.06.034] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Revised: 05/23/2016] [Accepted: 06/09/2016] [Indexed: 12/15/2022]
Abstract
Nanoparticles are being widely used as antibacterial agents with metal nanoparticles emerging as the most efficient antibacterial agents. There have been many studies which have reported the mechanism of antibacterial activity of nanoparticles on bacteria. In this review we aim to emphasize on all the possible mechanisms which are involved in the antibacterial activity of nanoparticles and also to understand their mode of action and role as bacterial enzyme inhibitor by comparing their antibacterial mechanism to that of antibiotics with enzyme inhibition as a major mechanism. With the emergence of widespread antibiotic resistance, nanoparticles offer a better alternative to our conventional arsenal of antibiotics. Once the biological safety of these nanoparticles is addressed, these nanoparticles can be of great medical importance in our fight against bacterial infections.
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Affiliation(s)
- Khan Behlol Ayaz Ahmed
- School of Chemical and Biotechnology, SASTRA University, Thanjavur 613 401, Tamil Nadu, India
| | - Thiagarajan Raman
- School of Chemical and Biotechnology, SASTRA University, Thanjavur 613 401, Tamil Nadu, India.
| | - Anbazhagan Veerappan
- School of Chemical and Biotechnology, SASTRA University, Thanjavur 613 401, Tamil Nadu, India.
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Iswarya V, Manivannan J, De A, Paul S, Roy R, Johnson JB, Kundu R, Chandrasekaran N, Mukherjee A, Mukherjee A. Surface capping and size-dependent toxicity of gold nanoparticles on different trophic levels. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:4844-58. [PMID: 26545887 DOI: 10.1007/s11356-015-5683-0] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2015] [Accepted: 10/22/2015] [Indexed: 04/16/2023]
Abstract
In the present study, the toxicity of gold nanoparticles (Au NPs) was evaluated on various trophic organisms. Bacteria, algae, cell line, and mice were used as models representing different trophic levels. Two different sizes (CIT30 and CIT40) and surface-capped (CIT30-polyvinyl pyrrolidone (PVP)-capped) Au NPs were selected. CIT30 Au NP aggregated more rapidly than CIT40 Au NP, while an additional capping of PVP (CIT30-PVP capped Au NP) was found to enhance its stability in sterile lake water medium. Interestingly, all the forms of NPs evaluated were stable in the cell culture medium during the exposure period. Size- and dose-dependent cytotoxicities were observed in both bacteria and algae, with a strong dependence on reactive oxygen species (ROS) generation and lactate dehydrogenase (LDH) release. CIT30-PVP capped Au NP showed a significant decrease in toxicity compared to CIT30 Au NP in bacteria and algae. In the SiHa cell line, dose- and exposure-dependent decline in cell viability were noted for all three types of Au NPs. In mice, the induction of DNA damage was size and dose dependent, and surface functionalization with PVP reduced the toxic effects of CIT30 Au NP. The exposure to CIT30, CIT40, and CIT30-PVP capped Au NPs caused an alteration of the oxidative stress-related endpoints in mice hepatocytes. The toxic effects of the gold nanoparticles were found to vary in diverse test systems, accentuating the importance of size and surface functionalization at different trophic levels.
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Affiliation(s)
- V Iswarya
- Centre for Nanobiotechnology, VIT University, Vellore, 632014, India
| | - J Manivannan
- Cell Biology and Genetic Toxicology Lab, Centre of Advanced Study, Department of Botany, University of Calcutta, Kolkata, 700019, India
| | - Arpita De
- Cell Biology and Genetic Toxicology Lab, Centre of Advanced Study, Department of Botany, University of Calcutta, Kolkata, 700019, India
| | - Subhabrata Paul
- Cell Biology and Genetic Toxicology Lab, Centre of Advanced Study, Department of Botany, University of Calcutta, Kolkata, 700019, India
| | - Rajdeep Roy
- Centre for Nanobiotechnology, VIT University, Vellore, 632014, India
| | - J B Johnson
- Centre for Nanobiotechnology, VIT University, Vellore, 632014, India
| | - Rita Kundu
- Cell Biology and Genetic Toxicology Lab, Centre of Advanced Study, Department of Botany, University of Calcutta, Kolkata, 700019, India
| | - N Chandrasekaran
- Centre for Nanobiotechnology, VIT University, Vellore, 632014, India
| | - Anita Mukherjee
- Cell Biology and Genetic Toxicology Lab, Centre of Advanced Study, Department of Botany, University of Calcutta, Kolkata, 700019, India.
| | - Amitava Mukherjee
- Centre for Nanobiotechnology, VIT University, Vellore, 632014, India.
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Helmlinger J, Sengstock C, Groß-Heitfeld C, Mayer C, Schildhauer TA, Köller M, Epple M. Silver nanoparticles with different size and shape: equal cytotoxicity, but different antibacterial effects. RSC Adv 2016. [DOI: 10.1039/c5ra27836h] [Citation(s) in RCA: 183] [Impact Index Per Article: 22.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
The influence of silver nanoparticle morphology on their dissolution kinetics in ultrapure water as well as their biological effect on eukaryotic and prokaryotic cells was examined.
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Affiliation(s)
- J. Helmlinger
- Inorganic Chemistry and Center for Nanointegration Duisburg-Essen (CeNIDE)
- 45117 Essen
- Germany
| | - C. Sengstock
- Bergmannsheil University Hospital/Surgical Research
- Ruhr-University of Bochum
- 44789 Bochum
- Germany
| | - C. Groß-Heitfeld
- Physical Chemistry and Center for Nanointegration Duisburg-Essen (CeNIDE)
- 45117 Essen
- Germany
| | - C. Mayer
- Physical Chemistry and Center for Nanointegration Duisburg-Essen (CeNIDE)
- 45117 Essen
- Germany
| | - T. A. Schildhauer
- Bergmannsheil University Hospital/Surgical Research
- Ruhr-University of Bochum
- 44789 Bochum
- Germany
| | - M. Köller
- Bergmannsheil University Hospital/Surgical Research
- Ruhr-University of Bochum
- 44789 Bochum
- Germany
| | - M. Epple
- Inorganic Chemistry and Center for Nanointegration Duisburg-Essen (CeNIDE)
- 45117 Essen
- Germany
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Shareena Dasari TP, Zhang Y, Yu H. Antibacterial Activity and Cytotoxicity of Gold (I) and (III) Ions and Gold Nanoparticles. ACTA ACUST UNITED AC 2015; 4. [PMID: 27019770 PMCID: PMC4807878 DOI: 10.4172/2167-0501.1000199] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Gold nanoparticles (AuNPs) and gold ion complexes have been investigated for their antibacterial activities. However, the majority of the reports failed to disclose the concentration of free Au(I) or Au(III) present in solutions of AuNPs or gold ion complexes. The inconsistency of antibacterial activity of AuNPs may be due to the effect of the presence of Au(III). Here we report the antibacterial activity of Au(I) and Au(III) to four different bacteria: one nonpathogenic bacterium: E. coli and three multidrug-resistant bacteria: E. coli, S. typhimurium DT104, and S. aureus. Au(I) and Au(III) as chloride are highly toxic to all the four bacteria, with IC50 of 0.35 - 0.49 µM for Au(III) and 0.27-0.52 µM for Au(I).The bacterial growth inhibition by both Au(I) and Au(III) increases with exposure time and is strongly affected by the use of buffers. The IC50 values for Au(I) and Au(III) in different buffers are HEPES (0.48 and 1.55 µM) > Trizma (0.41 and 0.57 µM) > PBS (0.14 and 0.06 µM). Bacterial growth inhibition by AuNPs is gradually reduced by centrifugation-resuspension to remove residual Au(III) ion present in the crude synthetic AuNPs. After 4 centrifugations-resuspensions, AuNPs become non-toxic. In addition, both Au(I) and Au(III) are cytotoxic to skin keratinocyte and blood lymphocyte cells. These results suggest that Au(I) and Au(III) in pure or complex forms may be explored as a method to treat drug-resistant bacteria, and the test of AuNPs toxicity must consider residual Au(III), exposure time, and the use of buffers.
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Affiliation(s)
| | | | - H Yu
- Corresponding author: Hongtao Yu, Department of Chemistry and Biochemistry, Jackson State University, Jackson, MS 39217, USA, Tel: 001-601-979-2171;
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Eiampongpaiboon T, Chung WO, Bryers JD, Chung KH, Chan DCN. Antibacterial activity of gold-titanates on Gram-positive cariogenic bacteria. ACTA BIOMATERIALIA ODONTOLOGICA SCANDINAVICA 2015. [PMID: 28642901 PMCID: PMC5433202 DOI: 10.3109/23337931.2015.1084883] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Objective: Gram-positive cariogenic bacteria are etiological agents in dental caries; therefore, strategies to inhibit these bacteria to reduce the incident of this disease have intensified. In this study, we investigated antibacterial activities of titanates and gold-titanates against Lactobacillus casei (Lc) and Streptococcus mutans (Sm). Materials and methods: Monosodium titanate (MST), nanomonosodium titanate (nMST) and amorphous peroxo-titanate (APT), which are inorganic compounds with high-binding affinity for specific metal ions, were used. Total bacterial proteins were measured to represent bacterial cell mass after 24 h incubation with gold-titanates. We further examined the effect of nMST-Au(III) concentrations (10,200,400 mg/L) on Lc and Sm cell viability over time via Live/Dead fluorescent staining and colony forming units (CFUs). Transmission electron microscopy (TEM) was used to determine specific locations on the bacterial cells affected by the nMST-Au(III). Results: We found all gold-titanates and APT alone reduced bacterial protein for Lc (p value <0.001) while only MST-Au(III) and nMST-Au(III) affected Sm growth (p value <0.001). Overall, nMST-Au(III) showed the most effectiveness against both Lc and Sm at 400 mg/L. The Live/Dead staining showed all concentrations of nMST-Au(III) affected Lc growth but only 200 and 400 mg/L nMST-Au(III) interrupted Sm growth. The growth curves based on CFUs/mL showed all nMST-Au(III) concentrations affected growth of both Lc and Sm. TEM images showed nMST-Au(III) attached to Lc and Sm cell wall and were internalized into both cells. Conclusions: nMST-Au(III) demonstrated potential antimicrobial activity against Gram-positive cariogenic bacteria. These results support further development of nMST-Au(III) as a potential novel material to prevent dental caries.
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Affiliation(s)
| | - Whasun O Chung
- Department of Oral Health Sciences, University of WashingtonSeattleWAUSA
| | - James D Bryers
- Department of Bioengineering, University of WashingtonSeattleWAUSA, and
| | - Kwok-Hung Chung
- Department of Restorative Dentistry, University of WashingtonSeattleWAUSA
| | - Daniel C N Chan
- Department of Restorative Dentistry, University of WashingtonSeattleWAUSA
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Si Y, Grazon C, Clavier G, Rieger J, Audibert JF, Sclavi B, Méallet-Renault R. Rapid and accurate detection of Escherichia coli growth by fluorescent pH-sensitive organic nanoparticles for high-throughput screening applications. Biosens Bioelectron 2015; 75:320-7. [PMID: 26334591 DOI: 10.1016/j.bios.2015.08.028] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2015] [Revised: 08/03/2015] [Accepted: 08/14/2015] [Indexed: 12/31/2022]
Abstract
Rapid detection of bacterial growth is an important issue in the food industry and for medical research. Here we present a novel kind of pH-sensitive fluorescent nanoparticles (FANPs) that can be used for the rapid and accurate real-time detection of Escherichia coli growth. These organic particles are designed to be non-toxic and highly water-soluble. Here we show that the coupling of pH sensitive fluoresceinamine to the nanoparticles results in an increased sensitivity to changes in pH within a physiologically relevant range that can be used to monitor the presence of live bacteria. In addition, these FANPs do not influence bacterial growth and are stable over several hours in a complex medium and in the presence of bacteria. The use of these FANPs allows for continuous monitoring of bacterial growth via real-time detection over long time scales in small volumes and can thus be used for the screening of a large number of samples for high-throughput applications such as screening for the presence of antibiotic resistant strains.
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Affiliation(s)
- Yang Si
- PPSM, CNRS UMR 8531, ENS-Cachan, 61 av President Wilson, 94230 Cachan, France; LBPA, CNRS UMR 8113, ENS-Cachan, 61 av President Wilson, 94230 Cachan, France
| | - Chloé Grazon
- PPSM, CNRS UMR 8531, ENS-Cachan, 61 av President Wilson, 94230 Cachan, France
| | - Gilles Clavier
- PPSM, CNRS UMR 8531, ENS-Cachan, 61 av President Wilson, 94230 Cachan, France
| | - Jutta Rieger
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Institut Parisien de Chimie Moléculaire, Equipe Chimie des Polymères, 4 Place Jussieu, F-75005 Paris, France
| | | | - Bianca Sclavi
- LBPA, CNRS UMR 8113, ENS-Cachan, 61 av President Wilson, 94230 Cachan, France.
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Huk A, Izak-Nau E, El Yamani N, Uggerud H, Vadset M, Zasonska B, Duschl A, Dusinska M. Impact of nanosilver on various DNA lesions and HPRT gene mutations - effects of charge and surface coating. Part Fibre Toxicol 2015. [PMID: 26204901 PMCID: PMC4513976 DOI: 10.1186/s12989-015-0100-x] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Background The main goal of this research was to study the interactions of a fully characterized set of silver nanomaterials (Ag ENMs) with cells in vitro, according to the standards of Good Laboratory Practices (GLP), to assure the quality of nanotoxicology research. We were interested in whether Ag ENMs synthesized by the same method, with the same size distribution, shape and specific surface area, but with different charges and surface compositions could give different biological responses. Methods A range of methods and toxicity endpoints were applied to study the impacts of interaction of the Ag ENMs with TK6 cells. As tests of viability, relative growth activity and trypan blue exclusion were applied. Genotoxicity was evaluated by the alkaline comet assay for detection of strand breaks and oxidized purines. The mutagenic potential of Ag ENMs was investigated with the in vitro HPRT gene mutation test on V79-4 cells according to the OECD protocol. Ag ENM agglomeration, dissolution as well as uptake and distribution within the cells were investigated as crucial aspects of Ag ENM toxicity. Ag ENM stabilizers were included in addition to positive and negative controls. Results Different cytotoxic effects were observed including membrane damage, cell cycle arrest and cell death. Ag ENMs also induced various kinds of DNA damage including strand breaks and DNA oxidation, and caused gene mutation. We found that positive Ag ENMs had greater impact on cyto- and genotoxicity than did Ag ENMs with neutral or negative charge, assumed to be related to their greater uptake into cells and to their presence in the nucleus and mitochondria, implying that Ag ENMs might induce toxicity by both direct and indirect mechanisms. Conclusion We showed that Ag ENMs could be cytotoxic, genotoxic and mutagenic. Our experiments with the HPRT gene mutation assay demonstrated that surface chemical composition plays a significant role in Ag ENM toxicity.
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Affiliation(s)
- Anna Huk
- Health Effects Laboratory, MILK, NILU, Kjeller, Norway. .,Department of Molecular Biology, University of Salzburg, Salzburg, Austria.
| | - Emilia Izak-Nau
- Department of Molecular Biology, University of Salzburg, Salzburg, Austria. .,Bayer Technology Services GmbH, Leverkusen, Germany.
| | | | | | | | - Beata Zasonska
- Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, Prague, Czech Republic.
| | - Albert Duschl
- Department of Molecular Biology, University of Salzburg, Salzburg, Austria.
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Hadrup N, Sharma AK, Poulsen M, Nielsen E. Toxicological risk assessment of elemental gold following oral exposure to sheets and nanoparticles – A review. Regul Toxicol Pharmacol 2015; 72:216-21. [DOI: 10.1016/j.yrtph.2015.04.017] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Revised: 04/17/2015] [Accepted: 04/18/2015] [Indexed: 01/18/2023]
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