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Carvalho GC, Sábio RM, de Cássia Ribeiro T, Monteiro AS, Pereira DV, Ribeiro SJL, Chorilli M. Highlights in Mesoporous Silica Nanoparticles as a Multifunctional Controlled Drug Delivery Nanoplatform for Infectious Diseases Treatment. Pharm Res 2020; 37:191. [PMID: 32895867 PMCID: PMC7476752 DOI: 10.1007/s11095-020-02917-6] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 08/25/2020] [Indexed: 12/19/2022]
Abstract
Infectious diseases are a major global concern being responsible for high morbidity and mortality mainly due to the development and enhancement of multidrug-resistant microorganisms exposing the fragility of medicines and vaccines commonly used to these treatments. Taking into account the scarcity of effective formulation to treat infectious diseases, nanotechnology offers a vast possibility of ground-breaking platforms to design new treatment through smart nanostructures for drug delivery purposes. Among the available nanosystems, mesoporous silica nanoparticles (MSNs) stand out due their multifunctionality, biocompatibility and tunable properties make them emerging and actual nanocarriers for specific and controlled drug release. Considering the high demand for diseases prevention and treatment, this review exploits the MSNs fabrication and their behavior in biological media besides highlighting the most of strategies to explore the wide MSNs functionality as engineered, smart and effective controlled drug release nanovehicles for infectious diseases treatment. Graphical Abstract Schematic representation of multifunctional MSNs-based nanoplatforms for infectious diseases treatment.
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Affiliation(s)
- Gabriela Corrêa Carvalho
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, 14800-903, Brazil
| | - Rafael Miguel Sábio
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, 14800-903, Brazil.
| | - Tais de Cássia Ribeiro
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, 14800-903, Brazil
| | - Andreia Sofia Monteiro
- Institute of Chemistry, São Paulo State University (UNESP), Araraquara, 14800-060, Brazil
| | | | | | - Marlus Chorilli
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, 14800-903, Brazil
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Kischkel B, Rossi SA, Santos SR, Nosanchuk JD, Travassos LR, Taborda CP. Therapies and Vaccines Based on Nanoparticles for the Treatment of Systemic Fungal Infections. Front Cell Infect Microbiol 2020; 10:463. [PMID: 33014889 PMCID: PMC7502903 DOI: 10.3389/fcimb.2020.00463] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 07/28/2020] [Indexed: 12/11/2022] Open
Abstract
Treatment modalities for systemic mycoses are still limited. Currently, the main antifungal therapeutics include polyenes, azoles, and echinocandins. However, even in the setting of appropriate administration of antifungals, mortality rates remain unacceptably high. Moreover, antifungal therapy is expensive, treatment periods can range from weeks to years, and toxicity is also a serious concern. In recent years, the increased number of immunocompromised individuals has contributed to the high global incidence of systemic fungal infections. Given the high morbidity and mortality rates, the complexity of treatment strategies, drug toxicity, and the worldwide burden of disease, there is a need for new and efficient therapeutic means to combat invasive mycoses. One promising avenue that is actively being pursued is nanotechnology, to develop new antifungal therapies and efficient vaccines, since it allows for a targeted delivery of drugs and antigens, which can reduce toxicity and treatment costs. The goal of this review is to discuss studies using nanoparticles to develop new therapeutic options, including vaccination methods, to combat systemic mycoses caused by Candida sp., Cryptococcus sp., Paracoccidioides sp., Histoplasma sp., Coccidioides sp., and Aspergillus sp., in addition to providing important information on the use of different types of nanoparticles, nanocarriers and their corresponding mechanisms of action.
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Affiliation(s)
- Brenda Kischkel
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil.,Laboratory of Medical Mycology-Institute of Tropical Medicine of São Paulo/LIM53/Medical School, University of São Paulo, São Paulo, Brazil
| | - Suélen A Rossi
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil.,Laboratory of Medical Mycology-Institute of Tropical Medicine of São Paulo/LIM53/Medical School, University of São Paulo, São Paulo, Brazil
| | - Samuel R Santos
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil.,Laboratory of Medical Mycology-Institute of Tropical Medicine of São Paulo/LIM53/Medical School, University of São Paulo, São Paulo, Brazil
| | - Joshua D Nosanchuk
- Departments of Medicine [Division of Infectious Diseases], Microbiology and Immunology, Albert Einstein College of Medicine and Montefiore Medical Center, Bronx, NY, United States
| | - Luiz R Travassos
- Department of Microbiology, Immunology and Parasitology, Federal University of São Paulo, São Paulo, Brazil
| | - Carlos P Taborda
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil.,Laboratory of Medical Mycology-Institute of Tropical Medicine of São Paulo/LIM53/Medical School, University of São Paulo, São Paulo, Brazil
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53
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Araujo HC, da Silva ACG, Paião LI, Magario MKW, Frasnelli SCT, Oliveira SHP, Pessan JP, Monteiro DR. Antimicrobial, antibiofilm and cytotoxic effects of a colloidal nanocarrier composed by chitosan-coated iron oxide nanoparticles loaded with chlorhexidine. J Dent 2020; 101:103453. [PMID: 32827599 DOI: 10.1016/j.jdent.2020.103453] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 08/05/2020] [Accepted: 08/17/2020] [Indexed: 02/07/2023] Open
Abstract
OBJECTIVES This study evaluated the antimicrobial and antibiofilm effects of a colloidal nanocarrier for chlorhexidine (CHX) on Candida glabrata and Enterococcus faecalis, as well as tested its cytotoxic effect on murine fibroblasts. METHODS Iron oxide nanoparticles (IONPs) were coated with chitosan (CS) and loaded with CHX at 31.2, 78 and 156 μg/mL. Antimicrobial effects were assessed by determining the minimum inhibitory concentration (MIC), using the broth microdilution method, and fractional inhibitory concentration index (FICI). Preformed biofilms (48 h) were treated with different concentrations of the nanocarrier (24 h) and quantified by colony-forming units (CFUs), total biomass and metabolic activity. For cytotoxicity, the viability of L929 cells was evaluated by MTT assay after 24 and 48 h of exposure to the nanocarrier. Data were submitted to ANOVA and Fisher LSD or Tukey post-hoc tests (α = 0.05). RESULTS MIC and FICI results showed an indifferent interaction among the components of the nanocarrier for all strains evaluated. CHX alone and nanocarrier containing 156 μg/mL CHX did not differ from each other in reducing the number of CFUs. However, the nanocarrier containing 156 μg/mL CHX promoted the highest reductions in total biofilm biomass and metabolism, surpassing the effect of CHX alone. After 24 and 48 h of exposure, the nanocarrier reduced CHX toxicity to the L929 cell at low concentrations. CONCLUSION These findings suggest that the CHX nanocarrier has potential to be used in the control of oral diseases associated with C. glabrata and E. faecalis. CLINICAL RELEVANCE CHX has improved the antibiofilm effect and reduced the cytotoxicity (at low concentrations) when conjugated to CS-coated IONPs. This new colloidal formulation has potential as an alternative antimicrobial agent to pure CHX for the control of biofilm-related oral diseases, such as oral candidiasis and endodontic infections.
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Affiliation(s)
- Heitor Ceolin Araujo
- São Paulo State University (Unesp), School of Dentistry, Araçatuba, Department of Preventive and Restorative Dentistry, 16015-050 Araçatuba, São Paulo, Brazil
| | - Ana Carolina Gomes da Silva
- School of Dentistry, Presidente Prudente, University of Western São Paulo (UNOESTE), 19050-920 Presidente Prudente, São Paulo, Brazil
| | - Luana Isabel Paião
- School of Dentistry, Presidente Prudente, University of Western São Paulo (UNOESTE), 19050-920 Presidente Prudente, São Paulo, Brazil
| | - Mychelle Keiko Watanabe Magario
- School of Dentistry, Presidente Prudente, University of Western São Paulo (UNOESTE), 19050-920 Presidente Prudente, São Paulo, Brazil
| | - Sabrina Cruz Tfaile Frasnelli
- São Paulo State University (Unesp), School of Dentistry, Araçatuba, Department of Basic Sciences, 16015-050 Araçatuba, São Paulo, Brazil
| | - Sandra Helena Penha Oliveira
- São Paulo State University (Unesp), School of Dentistry, Araçatuba, Department of Basic Sciences, 16015-050 Araçatuba, São Paulo, Brazil
| | - Juliano Pelim Pessan
- São Paulo State University (Unesp), School of Dentistry, Araçatuba, Department of Preventive and Restorative Dentistry, 16015-050 Araçatuba, São Paulo, Brazil
| | - Douglas Roberto Monteiro
- Graduate Program in Dentistry (GPD - Master's Degree), University of Western São Paulo (UNOESTE), 19050-920 Presidente Prudente, São Paulo, Brazil.
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Antitumoral Drug: Loaded Hybrid Nanocapsules Based on Chitosan with Potential Effects in Breast Cancer Therapy. Int J Mol Sci 2020; 21:ijms21165659. [PMID: 32784525 PMCID: PMC7460861 DOI: 10.3390/ijms21165659] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 07/30/2020] [Accepted: 07/31/2020] [Indexed: 12/24/2022] Open
Abstract
Cancer remains one of the world's most devastating diseases and is responsible for more than 20% of all deaths. It is defined as uncontrolled proliferation of cells and spreads rapidly to healthy tissue. Controlled drug delivery systems offers great opportunities for the development of new non-invasive strategies for the treatment of cancers. The main advantage of these systems is their capacity to accumulate in tumors via enhanced permeability and retention effects. In the present study, an innovative hybrid drug delivery system based on nanocapsules obtained from the interfacial condensation between chitosan and poly(N-vinyl pyrrolidone-alt-itaconic anhydride) and containing both magnetic nanoparticles and an antitumoral drug was developed in order to improve the efficiency of the antitumoral treatment. Using dynamic light scattering, it was observed that the mean diameter of these hybrid nanocapsules was in the range of 43 to 142 nm. SEM confirmed their nanometric size and their well-defined spherical shape. These nanocapsules allowed the encapsulation of an increased amount of 5-fluorouracil and provided controlled drug release. In vitro studies have revealed that these drug-loaded hybrid nanocapsules were able to induce a cytostatic effect on breast carcinoma MCF-7 cell lines (Human Caucasian breast adenocarcinoma - HTB-22) comparable to that of the free drug.
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Zare-Khafri M, Alizadeh F, Nouripour-Sisakht S, Khodavandi A, Gerami M. Inhibitory effect of magnetic iron-oxide nanoparticles on the pattern of expression of lanosterol 14 α-demethylase ( ERG11) in fluconazole-resistant colonising isolate of Candida albicans. IET Nanobiotechnol 2020; 14:375-381. [PMID: 32691739 DOI: 10.1049/iet-nbt.2019.0354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Fluconazole-resistant Candida albicans is a big scary reality. The authors assessed the antifungal effects of magnetic iron-oxide nanoparticles on fluconazole-resistant colonising isolate of C. albicans and determined the expression of ERG11 gene, protein sequence similarity and ergosterol content. C. albicans isolates were characterised and fluconazole resistance is recognised using World Health Organization's WHONET software. Susceptibility testing of magnetic iron-oxide nanoparticles against fluconazole-resistant colonising isolate of C. albicans was performed according to Clinical and Laboratory Standards Institute guidelines. The expression patterns of ERG11 and protein sequence similarity were investigated. Ergosterol quantification has been used to gauge the antifungal activity of magnetic iron-oxide nanoparticles. The findings indicated that 93% of C. albicans isolates were resistant to fluconazole. Magnetic iron-oxide nanoparticles were presented activity against fluconazole-resistant colonising isolate of C. albicans with minimum inhibitory concentration at 250-500 µg/ml. The expression level of ERG11 gene was downregulated in fluconazole-resistant colonising isolate of C. albicans. The results revealed no differences in fluconazole-resistant colonising isolate of C. albicans by comparison with ERG11 reference sequences. Moreover, significant reduction was noted in ergosterol content. The findings shed a novel light on the application of magnetic iron-oxide nanoparticles in fighting against resistant C. albicans.
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Affiliation(s)
- Mohammad Zare-Khafri
- Department of Microbiology, Yasooj Branch, Islamic Azad University, Yasooj, Iran
| | - Fahimeh Alizadeh
- Department of Microbiology, Yasooj Branch, Islamic Azad University, Yasooj, Iran
| | | | - Alireza Khodavandi
- Department of Biology, Gachsaran Branch, Islamic Azad University, Gachsaran, Iran.
| | - Majid Gerami
- Education Research Centre, Yasuj University, Yasuj, Iran
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Balhaddad AA, Garcia IM, Ibrahim MS, Rolim JPML, Gomes EAB, Martinho FC, Collares FM, Xu H, Melo MAS. Prospects on Nano-Based Platforms for Antimicrobial Photodynamic Therapy Against Oral Biofilms. PHOTOBIOMODULATION PHOTOMEDICINE AND LASER SURGERY 2020; 38:481-496. [PMID: 32716697 DOI: 10.1089/photob.2020.4815] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Objective: This review clusters the growing field of nano-based platforms for antimicrobial photodynamic therapy (aPDT) targeting pathogenic oral biofilms and increase interactions between dental researchers and investigators in many related fields. Background data: Clinically relevant disinfection of dental tissues is difficult to achieve with aPDT alone. It has been found that limited penetrability into soft and hard dental tissues, diffusion of the photosensitizers, and the small light absorption coefficient are contributing factors. As a result, the effectiveness of aPDT is reduced in vivo applications. To overcome limitations, nanotechnology has been implied to enhance the penetration and delivery of photosensitizers to target microorganisms and increase the bactericidal effect. Materials and methods: The current literature was screened for the various platforms composed of photosensitizers functionalized with nanoparticles and their enhanced performance against oral pathogenic biofilms. Results: The evidence-based findings from the up-to-date literature were promising to control the onset and the progression of dental biofilm-triggered diseases such as dental caries, endodontic infections, and periodontal diseases. The antimicrobial effects of aPDT with nano-based platforms on oral bacterial disinfection will help to advance the design of combination strategies that increase the rate of complete and durable clinical response in oral infections. Conclusions: There is enthusiasm about the potential of nano-based platforms to treat currently out of the reach pathogenic oral biofilms. Much of the potential exists because these nano-based platforms use unique mechanisms of action that allow us to overcome the challenging of intra-oral and hard-tissue disinfection.
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Affiliation(s)
- Abdulrahman A Balhaddad
- PhD Program in Dental Biomedical Sciences, University of Maryland School of Dentistry, Baltimore, Maryland, USA.,Department of Restorative Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Isadora M Garcia
- PhD Program in Dental Biomedical Sciences, University of Maryland School of Dentistry, Baltimore, Maryland, USA.,Dental Materials Laboratory, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Maria Salem Ibrahim
- PhD Program in Dental Biomedical Sciences, University of Maryland School of Dentistry, Baltimore, Maryland, USA.,Department of Preventive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Juliana P M L Rolim
- Department of Dentistry, Christus University Center (Unichristus), Fortaleza, Brazil
| | - Edison A B Gomes
- Department of Dentistry, Christus University Center (Unichristus), Fortaleza, Brazil
| | - Frederico C Martinho
- Endodontic Division, Department of Advanced Oral Sciences and Therapeutics, University of Maryland School of Dentistry, Baltimore, Maryland, USA
| | - Fabricio M Collares
- Dental Materials Laboratory, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Hockin Xu
- PhD Program in Dental Biomedical Sciences, University of Maryland School of Dentistry, Baltimore, Maryland, USA.,Biomaterials & Tissue Engineering Division, Department of Advanced Oral Sciences and Therapeutics, University of Maryland School of Dentistry, Baltimore, Maryland, USA
| | - Mary Anne S Melo
- PhD Program in Dental Biomedical Sciences, University of Maryland School of Dentistry, Baltimore, Maryland, USA.,Division of Operative Dentistry, Department of General Dentistry, University of Maryland School of Dentistry, Baltimore, Maryland, USA
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Multifunctional magnetite nanoparticles for drug delivery: Preparation, characterisation, antibacterial properties and drug release kinetics. Int J Pharm 2020; 587:119658. [PMID: 32682959 DOI: 10.1016/j.ijpharm.2020.119658] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 07/11/2020] [Accepted: 07/13/2020] [Indexed: 01/09/2023]
Abstract
Multifunctional nanoparticles (NPs) with magnetic (M) and antibacterial properties were prepared for drug delivery purposes by a method involving co-precipitation synthesis. Partial and complete substitutions of ferrous ions (Fe2+) by copper ions (Cu2+) were carried out for the preparation of the magnetite NPs, which are designated as Cu0.5M and CuM, respectively, in this work. In addition, chitosan and ciprofloxacin were hybridized with the NPs from the previous step to achieve multifunctional properties. XRD, TEM, SEM/EDAX, VSM and FTIR were subsequently employed to characterize various properties of the prepared NPs, namely, crystallinity, nanostructure (size), particle morphology, elemental mapping, magnetic strength and chemical composition. Antibacterial properties of the NPs were tested against Bacillus cereus (Gram-positive bacteria), Escherichia coli (Gram-negative bacteria) and Candida albicans (yeast). Efficiency of the ciprofloxacin release was also studied for the drug-loaded NPs. It is demonstrated that the obtained NPs possess mixed phases with crystalline structures that are affected by the degree of Cu ion substitution (5-10 nm (M), 2.5-3.5 nm (Cu0.5M) and 11-16 nm (CuM)). Saturation magnetization values of the NPs were recorded as 38.7, 3.5 and 1.3 emu/g, respectively. It was also found that the introduction of Cu ions in the NP samples improved the significance of their antibacterial activity, especially against Escherichia coli. Chitosan and ciprofloxacin were found to have stronger effects against Bacillus cereus and Escherichia coli and lesser effects against Candida albicans. However, the samples containing chitosan, ciprofloxacin and the higher Cu ion concentration exhibited strong influence against Candida albicans. During a study period of 30-days, the amounts of released drug from the tested NPs were 85, 26 and 20% of the originally loaded amount, respectively. Owing to the findings in this paper, the developed NPs are considered to have good potential for drug delivery applications and to study them further such as in pre-clinical studies.
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Municoy S, Álvarez Echazú MI, Antezana PE, Galdopórpora JM, Olivetti C, Mebert AM, Foglia ML, Tuttolomondo MV, Alvarez GS, Hardy JG, Desimone MF. Stimuli-Responsive Materials for Tissue Engineering and Drug Delivery. Int J Mol Sci 2020; 21:E4724. [PMID: 32630690 PMCID: PMC7369929 DOI: 10.3390/ijms21134724] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 06/28/2020] [Accepted: 06/30/2020] [Indexed: 02/07/2023] Open
Abstract
Smart or stimuli-responsive materials are an emerging class of materials used for tissue engineering and drug delivery. A variety of stimuli (including temperature, pH, redox-state, light, and magnet fields) are being investigated for their potential to change a material's properties, interactions, structure, and/or dimensions. The specificity of stimuli response, and ability to respond to endogenous cues inherently present in living systems provide possibilities to develop novel tissue engineering and drug delivery strategies (for example materials composed of stimuli responsive polymers that self-assemble or undergo phase transitions or morphology transformations). Herein, smart materials as controlled drug release vehicles for tissue engineering are described, highlighting their potential for the delivery of precise quantities of drugs at specific locations and times promoting the controlled repair or remodeling of tissues.
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Affiliation(s)
- Sofia Municoy
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de la Química y Metabolismo del Fármaco (IQUIMEFA), Facultad de Farmacia y Bioquímica Junín 956, Piso 3° (1113), Buenos Aires 1113, Argentina; (S.M.); (M.I.Á.E.); (P.E.A.); (J.M.G.); (C.O.); (A.M.M.); (M.L.F.); (M.V.T.); (G.S.A.)
| | - María I. Álvarez Echazú
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de la Química y Metabolismo del Fármaco (IQUIMEFA), Facultad de Farmacia y Bioquímica Junín 956, Piso 3° (1113), Buenos Aires 1113, Argentina; (S.M.); (M.I.Á.E.); (P.E.A.); (J.M.G.); (C.O.); (A.M.M.); (M.L.F.); (M.V.T.); (G.S.A.)
| | - Pablo E. Antezana
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de la Química y Metabolismo del Fármaco (IQUIMEFA), Facultad de Farmacia y Bioquímica Junín 956, Piso 3° (1113), Buenos Aires 1113, Argentina; (S.M.); (M.I.Á.E.); (P.E.A.); (J.M.G.); (C.O.); (A.M.M.); (M.L.F.); (M.V.T.); (G.S.A.)
| | - Juan M. Galdopórpora
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de la Química y Metabolismo del Fármaco (IQUIMEFA), Facultad de Farmacia y Bioquímica Junín 956, Piso 3° (1113), Buenos Aires 1113, Argentina; (S.M.); (M.I.Á.E.); (P.E.A.); (J.M.G.); (C.O.); (A.M.M.); (M.L.F.); (M.V.T.); (G.S.A.)
| | - Christian Olivetti
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de la Química y Metabolismo del Fármaco (IQUIMEFA), Facultad de Farmacia y Bioquímica Junín 956, Piso 3° (1113), Buenos Aires 1113, Argentina; (S.M.); (M.I.Á.E.); (P.E.A.); (J.M.G.); (C.O.); (A.M.M.); (M.L.F.); (M.V.T.); (G.S.A.)
| | - Andrea M. Mebert
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de la Química y Metabolismo del Fármaco (IQUIMEFA), Facultad de Farmacia y Bioquímica Junín 956, Piso 3° (1113), Buenos Aires 1113, Argentina; (S.M.); (M.I.Á.E.); (P.E.A.); (J.M.G.); (C.O.); (A.M.M.); (M.L.F.); (M.V.T.); (G.S.A.)
| | - María L. Foglia
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de la Química y Metabolismo del Fármaco (IQUIMEFA), Facultad de Farmacia y Bioquímica Junín 956, Piso 3° (1113), Buenos Aires 1113, Argentina; (S.M.); (M.I.Á.E.); (P.E.A.); (J.M.G.); (C.O.); (A.M.M.); (M.L.F.); (M.V.T.); (G.S.A.)
| | - María V. Tuttolomondo
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de la Química y Metabolismo del Fármaco (IQUIMEFA), Facultad de Farmacia y Bioquímica Junín 956, Piso 3° (1113), Buenos Aires 1113, Argentina; (S.M.); (M.I.Á.E.); (P.E.A.); (J.M.G.); (C.O.); (A.M.M.); (M.L.F.); (M.V.T.); (G.S.A.)
| | - Gisela S. Alvarez
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de la Química y Metabolismo del Fármaco (IQUIMEFA), Facultad de Farmacia y Bioquímica Junín 956, Piso 3° (1113), Buenos Aires 1113, Argentina; (S.M.); (M.I.Á.E.); (P.E.A.); (J.M.G.); (C.O.); (A.M.M.); (M.L.F.); (M.V.T.); (G.S.A.)
| | - John G. Hardy
- Department of Chemistry, Faraday Building, Lancaster University, Lancaster, Lancashire LA1 4YB, UK
- Materials Science Institute, Faraday Building, Lancaster University, Lancaster, Lancashire LA1 4YB, UK
| | - Martin F. Desimone
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de la Química y Metabolismo del Fármaco (IQUIMEFA), Facultad de Farmacia y Bioquímica Junín 956, Piso 3° (1113), Buenos Aires 1113, Argentina; (S.M.); (M.I.Á.E.); (P.E.A.); (J.M.G.); (C.O.); (A.M.M.); (M.L.F.); (M.V.T.); (G.S.A.)
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Alarcón Segovia LC, Daza Agudelo JI, Glisoni RJ, Acha C, De Zan MM, Rintoul I. A multiparametric model for the industrialization of co-precipitation synthesis of nano-commodities. NANOTECHNOLOGY 2020; 31:185604. [PMID: 31995532 DOI: 10.1088/1361-6528/ab70d0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Magnetite superparamagnetic nanoparticles (MNP) are becoming one of the firsts nanocommodity products. MNP find a number of applications and they are been produced at relatively large scale. The co-precipitation method presents many technical and economical advantages among alternative processes. However, the relationships between physical and chemical reaction conditions during the co-precipitation process and the resulting properties of obtained MNP are not yet fully understood. The novelty of this contribution is the establishment of the cross-dependency effects of the main physical and chemical parameters of the co-precipitation reaction on the properties of resulting MNP. The conditions were varied by following an experimental design. The crystallite size, particle size and magnetization of the MNP and the Z-potential and size of their aggregates were selected as main response properties. A set of equations in the form of 4D surface responses in the space of co-precipitation process variables was obtained and analyzed in terms of the resulting properties. The set of equations is useful to predict, optimize and tailor very precisely the properties of resulting MNP as a function of reaction conditions.
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Affiliation(s)
- Lilian Celeste Alarcón Segovia
- Instituto de Desarrollo Tecnológico para la Industria Química, Universidad Nacional del Litoral and Consejo Nacional de Investigaciones Científicas y Técnicas, Santa Fe, Argentina
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Arias LS, Pessan JP, de Souza Neto FN, Lima BHR, de Camargo ER, Ramage G, Delbem ACB, Monteiro DR. Novel nanocarrier of miconazole based on chitosan-coated iron oxide nanoparticles as a nanotherapy to fight Candida biofilms. Colloids Surf B Biointerfaces 2020; 192:111080. [PMID: 32361504 DOI: 10.1016/j.colsurfb.2020.111080] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Revised: 04/21/2020] [Accepted: 04/21/2020] [Indexed: 02/09/2023]
Abstract
Overexposure of microorganisms to conventional drugs has led to resistant species that require new treatment strategies. This study prepared and characterized a nanocarrier of miconazole (MCZ) based on iron oxide nanoparticles (IONPs) functionalized with chitosan (CS), and tested its antifungal activity against biofilms of Candida albicans and Candida glabrata. IONPs-CS-MCZ nanocarrier was prepared by loading MCZ on CS-covered IONPs and characterized by physicochemical methods. Minimum inhibitory concentration (MIC) of the nanocarrier was determined by the microdilution method. Biofilms were developed (48 h) in microtiter plates and treated with MCZ-carrying nanocarrier at 31.2 and 78 μg/mL, in both the presence and absence of an external magnetic field (EMF). Biofilms were evaluated by total biomass, metabolic activity, cultivable cells (CFU), extracellular matrix components, scanning electron microscopy and confocal microscopy. Data were analyzed by two-way ANOVA and Holm-Sidak test (p < 0.05). A nanocarrier with diameter lower than 50 nm was obtained, presenting MIC values lower than those found for MCZ, and showing synergism for C. albicans and indifference for C. glabrata (fractional inhibitory concentration indexes of <0.12 and <0.53, respectively). IONPs-CS-MCZ did not affect total biomass and extracellular matrix. IONPs-CS-MCZ containing 78 μg/mL MCZ showed a superior antibiofilm effect to MCZ in reducing CFU and metabolism for single biofilms of C. albicans and dual-species biofilms. The EMF did not improve the nanocarrier effects. Microscopy confirmed the antibiofilm effect of the nanocarrier. In conclusion, IONPs-CS-MCZ was more effective than MCZ mainly against C. albicans planktonic cells and number of CFU and metabolism of the biofilms.
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Affiliation(s)
- Laís Salomão Arias
- São Paulo State University (Unesp), School of Dentistry, Araçatuba, Department of Preventive and Restorative Dentistry, 16015-050 Araçatuba, São Paulo, Brazil
| | - Juliano Pelim Pessan
- São Paulo State University (Unesp), School of Dentistry, Araçatuba, Department of Preventive and Restorative Dentistry, 16015-050 Araçatuba, São Paulo, Brazil
| | - Francisco Nunes de Souza Neto
- São Paulo State University (Unesp), School of Dentistry, Araçatuba, Department of Preventive and Restorative Dentistry, 16015-050 Araçatuba, São Paulo, Brazil
| | | | | | - Gordon Ramage
- Oral Sciences Research Group, Glasgow Dental School, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, G2 3JZ, UK
| | - Alberto Carlos Botazzo Delbem
- São Paulo State University (Unesp), School of Dentistry, Araçatuba, Department of Preventive and Restorative Dentistry, 16015-050 Araçatuba, São Paulo, Brazil
| | - Douglas Roberto Monteiro
- São Paulo State University (Unesp), School of Dentistry, Araçatuba, Department of Preventive and Restorative Dentistry, 16015-050 Araçatuba, São Paulo, Brazil; Graduate Program in Dentistry (GPD - Master's Degree), University of Western São Paulo (UNOESTE), 19050-920 Presidente Prudente, São Paulo, Brazil.
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61
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Ye Q, Chen W, Huang H, Tang Y, Wang W, Meng F, Wang H, Zheng Y. Iron and zinc ions, potent weapons against multidrug-resistant bacteria. Appl Microbiol Biotechnol 2020; 104:5213-5227. [PMID: 32303820 DOI: 10.1007/s00253-020-10600-4] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 02/27/2020] [Accepted: 03/31/2020] [Indexed: 12/11/2022]
Abstract
Drug-resistant bacteria are becoming an increasingly widespread problem in the clinical setting. The current pipeline of antibiotics cannot provide satisfactory options for clinicians, which brought increasing attention to the development and application of non-traditional antimicrobial substances as alternatives. Metal ions, such as iron and zinc ions, have been widely applied to inhibit pathogens through different mechanisms, including synergistic action with different metabolic enzymes, regulation of efflux pumps, and inhibition of biofilm formation. Compared with traditional metal oxide nanoparticles, iron oxide nanoparticles (IONPs) and zinc oxide nanoparticles (ZnO-NPs) display stronger bactericidal effect because of their smaller ion particle sizes and higher surface energies. The combined utilization of metal NPs (nanoparticles) and antibiotics paves a new way to enhance antimicrobial efficacy and reduce the incidence of drug resistance. In this review, we summarize the physiological roles and bactericidal mechanisms of iron and zinc ions, present the recent progress in the research on the joint use of metal NPs with different antibiotics, and highlight the promising prospects of metal NPs as antimicrobial agents for tackling multidrug-resistant bacteria.
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Affiliation(s)
- Qian Ye
- College of Biotechnology and pharmaceutical Engineering, Nanjing Tech University, Nanjing, 211806, China.,Intensive Care Unit, The Second Hospital of Nanjing, Nanjing University of Chinese Medicine, Nanjing, 210003, China
| | - Wei Chen
- Clinical Research Center, The Second Hospital of Nanjing, Nanjing University of Chinese Medicine, Nanjing, 210003, China
| | - He Huang
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211816, China.,Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing, 211816, China.,State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, 210009, China.,School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, 210023, China
| | - Yuqing Tang
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211816, China
| | - Weixiao Wang
- Clinical Research Center, The Second Hospital of Nanjing, Nanjing University of Chinese Medicine, Nanjing, 210003, China
| | - Fanrong Meng
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211816, China
| | - Huiling Wang
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211816, China
| | - Yishan Zheng
- Intensive Care Unit, The Second Hospital of Nanjing, Nanjing University of Chinese Medicine, Nanjing, 210003, China.
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62
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Niemirowicz-Laskowska K, Mystkowska J, Łysik D, Chmielewska S, Tokajuk G, Misztalewska-Turkowicz I, Wilczewska AZ, Bucki R. Antimicrobial and Physicochemical Properties of Artificial Saliva Formulations Supplemented with Core-Shell Magnetic Nanoparticles. Int J Mol Sci 2020; 21:ijms21061979. [PMID: 32183193 PMCID: PMC7139618 DOI: 10.3390/ijms21061979] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 03/10/2020] [Accepted: 03/12/2020] [Indexed: 12/21/2022] Open
Abstract
Saliva plays a crucial role in oral cavity. In addition to its buffering and moisturizing properties, saliva fulfills many biofunctional requirements, including antibacterial activity that is essential to assure proper oral microbiota growth. Due to numerous extra- and intra-systemic factors, there are many disorders of its secretion, leading to oral dryness. Saliva substitutes used in such situations must meet many demands. This study was design to evaluate the effect of core-shell magnetic nanoparticles (MNPs) adding (gold-coated and aminosilane-coated nanoparticles NPs) on antimicrobial (microorganism adhesion, biofilm formation), rheological (viscosity, viscoelasticity) and physicochemical (pH, surface tension, conductivity) properties of three commercially available saliva formulations. Upon the addition of NPs (20 µg/mL), antibacterial activity of artificial saliva was found to increase against tested microorganisms by 20% to 50%. NPs, especially gold-coated ones, decrease the adhesion of Gram-positive and fungal cells by 65% and Gram-negative bacteria cells by 45%. Moreover, the addition of NPs strengthened the antimicrobial properties of tested artificial saliva, without influencing their rheological and physicochemical properties, which stay within the range characterizing the natural saliva collected from healthy subjects.
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Affiliation(s)
- Katarzyna Niemirowicz-Laskowska
- Department of Medical Microbiology and Nanobiomedical Engineering, Medical University of Bialystok, Mickiewicza 2C, 15-222 Bialystok, Poland; (K.N.-L.); (S.C.); (R.B.)
| | - Joanna Mystkowska
- Institute of Biomedical Engineering, Bialystok University of Technology, Wiejska 45C, 15-351 Bialystok, Poland;
- Correspondence: ; Tel.: +48-571-443-083
| | - Dawid Łysik
- Institute of Biomedical Engineering, Bialystok University of Technology, Wiejska 45C, 15-351 Bialystok, Poland;
| | - Sylwia Chmielewska
- Department of Medical Microbiology and Nanobiomedical Engineering, Medical University of Bialystok, Mickiewicza 2C, 15-222 Bialystok, Poland; (K.N.-L.); (S.C.); (R.B.)
| | - Grażyna Tokajuk
- Department of Integrated Dentistry, Medical University of Bialystok, M. Sklodowskiej-Curie 24a, 15-276 Bialystok, Poland;
| | | | - Agnieszka Z. Wilczewska
- Faculty of Chemistry, University of Białystok, Ciolkowskiego 1K, 15-245 Bialystok, Poland; (I.M.-T.); (A.Z.W.)
| | - Robert Bucki
- Department of Medical Microbiology and Nanobiomedical Engineering, Medical University of Bialystok, Mickiewicza 2C, 15-222 Bialystok, Poland; (K.N.-L.); (S.C.); (R.B.)
- Department of Microbiology and Immunology, The Faculty of Medicine and Health Sciences of the Jan Kochanowski University in Kielce, Stefana Żeromskiego 5, 25-001 Kielce, Poland
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63
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Wang X, Wan R, Gu H, Fu G, Tang H, Hu G. Well-water-dispersed N-trimethyl chitosan/Fe 3O 4 hybrid nanoparticles as peroxidase mimetics for quick and effective elimination of bacteria. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2020; 31:969-983. [PMID: 32085685 DOI: 10.1080/09205063.2020.1733751] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Fe3O4 nanoparticles, used as peroxidase mimetics, exhibit splendid future in the biomedical field. However, the functionalization on Fe3O4 nanoparticles always goes with the loss of superparamagnetism and decrease in peroxidase-activity. Here, we synthesized green polyethylene glycol (PEG)-functionalized magnetic/N-trimethyl chitosan (CS) hybrid nanoparticles (Fe3O4@PAA/TMC/PEG NPs) with improved water dispersibility, superparamagnetism, high saturation magnetization and well peroxidase-like activity. The functionalized coating was divided in two steps, one involved a cross-linked PEG/PAA/CS middle layer to protect the nanocrystal Fe3O4 from oxidization, the other was a hydrophilic PEG/TMC outer layer improving the water dispersion, biocompatibility, as well as supplying positive quaternary ammonium groups for a potential increase of cell binding efficiency. The structure, composition and morphology of Fe3O4@PAA/TMC/PEG NPs were characterized by TEM, FT-IR spectroscopy, DLS, zeta potential measurement, respectively. Thermal performance was characterized by TGA, and the peroxidase-like mimics activity was tested by TMB·2HCl colour development experiments. The magnetic property of the as-prepared hybrid nanoparticles was first confirmed by VSM, and then proved by the bacterial pathogens adsorption, especially at ultralow pathogen concentration. Particularly, with an external magnet, the Fe3O4@PAA/TMC/PEG NPs, combined cationic quaternary ammonium groups and peroxidise-mimetic catalytic activity, were tested for antibacterial effect by plating method.
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Affiliation(s)
- Xiaojuan Wang
- Tianjin Institute of Urology, The Second Hospital, Tianjin Medical University, Tianjin, People's Republic of China
| | - Rongxin Wan
- Tianjin Institute of Urology, The Second Hospital, Tianjin Medical University, Tianjin, People's Republic of China
| | - Hanqing Gu
- Tianjin Institute of Urology, The Second Hospital, Tianjin Medical University, Tianjin, People's Republic of China
| | - Guoqi Fu
- Key Laboratory of Functional Polymer Materials, Ministry of Education, Institute of Polymer Chemistry, Department of Chemistry, Nankai University, Tianjin, People's Republic of China
| | - Huiqin Tang
- Tianjin Institute of Urology, The Second Hospital, Tianjin Medical University, Tianjin, People's Republic of China
| | - Guoying Hu
- Tianjin Institute of Urology, The Second Hospital, Tianjin Medical University, Tianjin, People's Republic of China
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64
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Vallabani NVS, Vinu A, Singh S, Karakoti A. Tuning the ATP-triggered pro-oxidant activity of iron oxide-based nanozyme towards an efficient antibacterial strategy. J Colloid Interface Sci 2020; 567:154-164. [PMID: 32045737 DOI: 10.1016/j.jcis.2020.01.099] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 01/23/2020] [Accepted: 01/24/2020] [Indexed: 01/28/2023]
Abstract
An alarming increase in bacterial resistance towards various types of antibiotics makes it imperative to design alternate or combinational therapies to treat stubborn bacterial infections. In this perspective, emerging tools like nanozymes, nanomaterials with biological enzyme like characteristics, are being utilised to control infections caused by bacterial pathogens. Among several nanozymes used for antibacterial applications, Fe3O4 nanoparticles (NP) received great attention due to their effective peroxidase like activity. The pH dependent peroxidase activity of Fe3O4 NP results in generation of OH radical via the unique Fenton chemistry of iron. However, their pH dependent activity is restricted to acidic environment and dramatic loss in antibacterial activity is observed at near neutral pH. Here we describe a novel strategy to overcome the pH lacunae of citrate coated Fe3O4 NP by utilizing adenosine triphosphate disodium salt (ATP) as a synergistic agent to accelerate the OH radical production and restore its antibacterial activity over a wide range of pH. This synergistic combination (30 µg/mL Fe3O4 NP and 2.5 mM ATP) shows a high bactericidal activity against both gram positive (B. subtilis) and gram negative (E. coli) bacterial strains, in presence of H2O2, at neutral pH. The synergistic effect (Fe3O4 NP + ATP) is determined from the viability assessment and membrane damage studies and is further confirmed by comparing the concentration of generated OH radicals. Over all, this study illustrates ATP assisted and OH-mediated bactericidal activity of Fe3O4 nanozyme at near neutral pH.
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Affiliation(s)
- N V Srikanth Vallabani
- Biological and Life Sciences, School of Arts and Sciences, Ahmedabad University, Central Campus, Navrangpura, Ahmedabad 380009, Gujarat, India
| | - Ajayan Vinu
- Global Innovative Center for Advanced Nanomaterials (GICAN), Faculty of Engineering and Built Environment (FEBE), The University of Newcastle, Callaghan, New South Wales 2308, Australia
| | - Sanjay Singh
- Biological and Life Sciences, School of Arts and Sciences, Ahmedabad University, Central Campus, Navrangpura, Ahmedabad 380009, Gujarat, India.
| | - Ajay Karakoti
- Biological and Life Sciences, School of Arts and Sciences, Ahmedabad University, Central Campus, Navrangpura, Ahmedabad 380009, Gujarat, India; Global Innovative Center for Advanced Nanomaterials (GICAN), Faculty of Engineering and Built Environment (FEBE), The University of Newcastle, Callaghan, New South Wales 2308, Australia.
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65
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Moshafi MH, Ranjbar M, Ilbeigi G. Eco-Friendly and Systematic Study for Synthesis of La 3+/α-Al 2O 3 Nanoparticles: Antibacterial Activity Against Pathogenic Microbial Strains. Int J Nanomedicine 2020; 14:10137-10146. [PMID: 31920309 PMCID: PMC6941601 DOI: 10.2147/ijn.s215372] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2019] [Accepted: 09/18/2019] [Indexed: 11/23/2022] Open
Abstract
Purpose In this study, for the first time, new nanoparticles of La3+/α-Al2O3 were synthesized with the ultrasonic-assisted hydrothermal method in the presence of honey as an eco-friendly and natural reagent. Methods The as-synthesized La3+/α-Al2O3 nanoparticles were characterized using scanning electron microscopy (SEM), transition electron microscopy (TEM), X-ray diffraction spectroscopy (XRD), energy dispersive X-ray (EDX), UV-visible spectroscopy, and Fourier transform infrared spectroscopy (FTIR) techniques. In this work, we report optimum conditions to synthesize La3+/α-Al2O3 nanoparticles as novel material and as a candidate for antibacterial activity in antibacterial drugs. Results and Conclusion The XRD and SEM micrograph results demonstrate the formation of pure La3+/α-Al2O3 nanoparticles with a particle size in the range of 30-80 nm. The synthesis parameters were systematically examined using analysis of variance (ANOVA) through 2k-1 factorial design, and the factors were an assay for product optimization. Various factors such as hydrothermal time, temperature, ultrasound irradiation and interaction between these factors were investigated on the product size of the products. To investigate antibacterial activity of the La3+/α-Al2O3 nanoparticles with the minimum inhibitory concentration (MIC) method, different dilutions of nanoparticles as 64, 32, 16, 8, 4, 2, 1 and 0.5 μg/mL were dissolved in dimethyl sulfoxide and diluted using distilled water and added to the Mueller-Hinton agar medium containing Escherichia coli, Klebsiella pneumonia, Pseudomonas aeruginosa and Serratia marcescens as gram-negative bacteria and Bacillus subtilis, Staphylococcus aureus, S. epidermidis and Micrococcus luteus as gram-positive bacteria.
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Affiliation(s)
- Mohammad Hasan Moshafi
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Mehdi Ranjbar
- Food Drug and Cosmetics Safety Research Center Kerman University of Medical Sciences, Kerman, Iran.,Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Ghazaleh Ilbeigi
- Student Research Committee, Kerman University of Medical Sciences, Kerman, Iran
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66
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Ye W, Wang L, Zhao J, Fang QQ, Ming W. Recyclable, non-leaching antimicrobial magnetic nanoparticles. CHINESE CHEM LETT 2019. [DOI: 10.1016/j.cclet.2019.06.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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67
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Allafchian A, Hosseini SS. Antibacterial magnetic nanoparticles for therapeutics: a review. IET Nanobiotechnol 2019; 13:786-799. [PMID: 31625518 PMCID: PMC8676097 DOI: 10.1049/iet-nbt.2019.0146] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Revised: 06/24/2019] [Accepted: 07/10/2019] [Indexed: 07/29/2023] Open
Abstract
Along with the extensive range of exotic nanoparticle (NPs) applications, investigation of magnetic NPs (MNPs) in vitro has ushered modern antibacterial studies into an increasingly attractive research area. A great number of microorganisms exist in the size scales from nanometre to micrometre regions. The enormous potential of engineered MNPs in therapeutic procedures against various drug-resistant bacteria has declined the menace of fatal bacterial infections. Many biocompatible MNPs have been introduced that possess remarkable impacts on various bacterial strains. Conventional synthesis methods such as co-precipitation or hydrothermal techniques have been widely adopted in the production of MNPs. The MNPs for antibacterial applications are mainly required to be superparamagnetic, recyclable and biocompatible. To implement novel strategies in developing new generation antimicrobial magnetic nanomaterials, it is essential to obtain a comprehensive preview of recent achievements in synthesis, proposed antibacterial mechanisms and characterisation techniques of these nanomaterials. This review highlights notable aspects of antibacterial activity in engineered MNPs and nanocomposites including their particle properties (size, shape and saturation magnetisation), antibacterial mechanisms, synthesis methods, testing methods, surface modifications and minimum inhibitory concentrations.
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Affiliation(s)
- Alireza Allafchian
- Research Institute for Nanotechnology and Advanced Materials, Isfahan University of Technology, Isfahan 84156-83111, Iran.
| | - Seyed Sajjad Hosseini
- Research Institute for Nanotechnology and Advanced Materials, Isfahan University of Technology, Isfahan 84156-83111, Iran
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68
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Abstract
Advances of nanotechnology led to the development of nanoparticulate systems with many advantages due to their unique physicochemical properties. The use of iron-oxide magnetic nanoparticles (IOMNPs) in pharmaceutical areas increased in the last few decades. This article reviews the conceptual information about iron oxides, magnetic nanoparticles, methods of IOMNP synthesis, properties useful for pharmaceutical applications, advantages and disadvantages, strategies for nanoparticle assemblies, and uses in the production of drug delivery, hyperthermia, theranostics, photodynamic therapy, and as an antimicrobial. The encapsulation, coating, or dispersion of IOMNPs with biocompatible material(s) can avoid the aggregation, biodegradation, and alterations from the original state and also enable entrapping the bioactive agent on the particle via adsorption or covalent attachment. IOMNPs show great potential for target drug delivery, improving the therapy as a consequence of a higher drug effect using lower concentrations, thus reducing side effects and toxicity. Different methodologies allow IOMNP synthesis, resulting in different structures, sizes, dispersions, and surface modifications. These advantages support their utilization in pharmaceutical applications, and getting suitable drug release control on the target tissues could be beneficial in several clinical situations, such as infections, inflammations, and cancer. However, more toxicological clinical investigations about IOMNPs are necessary.
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69
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Wekwejt M, Michno A, Truchan K, Pałubicka A, Świeczko-Żurek B, Osyczka AM, Zieliński A. Antibacterial Activity and Cytocompatibility of Bone Cement Enriched with Antibiotic, Nanosilver, and Nanocopper for Bone Regeneration. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E1114. [PMID: 31382557 PMCID: PMC6722923 DOI: 10.3390/nano9081114] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 07/29/2019] [Accepted: 07/30/2019] [Indexed: 12/11/2022]
Abstract
Bacterial infections due to bone replacement surgeries require modifications of bone cement with antibacterial components. This study aimed to investigate whether the incorporation of gentamicin or nanometals into bone cement may reduce and to what extent bacterial growth without the loss of overall cytocompatibility and adverse effects in vitro. The bone cement Cemex was used as the base material, modified either with gentamicin sulfate or nanometals: Silver or copper. The inhibition of bacterial adhesion and growth was examined against five different bacterial strains along with integrity of erythrocytes, viability of blood platelets, and dental pulp stem cells. Bone cement modified with nanoAg or nanoCu revealed greater bactericidal effects and prevented the biofilm formation better compared to antibiotic-loaded bone cement. The cement containing nanoAg displayed good cytocompatibility without noticeable hemolysis of erythrocytes or blood platelet disfunction and good viability of dental pulp stem cells (DPSC). On the contrary, the nanoCu cement enhanced hemolysis of erythrocytes, reduced the platelets aggregation, and decreased DPSC viability. Based on these studies, we suggest the modification of bone cement with nanoAg may be a good strategy to provide improved implant fixative for bone regeneration purposes.
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Affiliation(s)
- Marcin Wekwejt
- Biomaterials Division, Department of Materials Engineering and Bonding, Gdańsk University of Technology, 80-233 Gdańsk, Poland.
| | - Anna Michno
- Chair of Clinical Biochemistry, Department of Laboratory Medicine, Medical University of Gdańsk, 80-210 Gdańsk, Poland
| | - Karolina Truchan
- Department of Biology and Cell Imaging, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, 30-387 Kraków, Poland
| | - Anna Pałubicka
- Department of Laboratory Diagnostics and Microbiology with Blood Bank, Specialist Hospital in Kościerzyna, 83-400 Kościerzyna, Poland
- Department of Surgical Oncologic, Medical University of Gdańsk, 80-210 Gdańsk, Poland
| | - Beata Świeczko-Żurek
- Biomaterials Division, Department of Materials Engineering and Bonding, Gdańsk University of Technology, 80-233 Gdańsk, Poland
| | - Anna Maria Osyczka
- Department of Biology and Cell Imaging, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, 30-387 Kraków, Poland
| | - Andrzej Zieliński
- Biomaterials Division, Department of Materials Engineering and Bonding, Gdańsk University of Technology, 80-233 Gdańsk, Poland
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Ferreyra Maillard AP, Gonçalves S, Santos NC, López de Mishima BA, Dalmasso PR, Hollmann A. Studies on interaction of green silver nanoparticles with whole bacteria by surface characterization techniques. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2019; 1861:1086-1092. [DOI: 10.1016/j.bbamem.2019.03.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 02/20/2019] [Accepted: 03/15/2019] [Indexed: 12/25/2022]
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