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Rowland S, Aghakhani A, Whalley RD, Ferreira AM, Kotov N, Gentile P. Layer-by-Layer Nanoparticle Assembly for Biomedicine: Mechanisms, Technologies, and Advancement via Acoustofluidics. ACS APPLIED NANO MATERIALS 2024; 7:15874-15902. [PMID: 39086513 PMCID: PMC11287493 DOI: 10.1021/acsanm.4c02463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Revised: 06/19/2024] [Accepted: 06/26/2024] [Indexed: 08/02/2024]
Abstract
The deposition of thin films plays a crucial role in surface engineering, tailoring structural modifications, and functionalization across diverse applications. Layer-by-layer self-assembly, a prominent thin-film deposition method, has witnessed substantial growth since its mid-20th-century inception, driven by the discovery of eligible materials and innovative assembly technologies. Of these materials, micro- and nanoscopic substrates have received far less interest than their macroscopic counterparts; however, this is changing. The catalogue of eligible materials, including nanoparticles, quantum dots, polymers, proteins, cells and liposomes, along with some well-established layer-by-layer technologies, have combined to unlock impactful applications in biomedicine, as well as other areas like food fortification, and water remediation. To access these fields, several well-established technologies have been used, including tangential flow filtration, fluidized bed, atomization, electrophoretic assembly, and dielectrophoresis. Despite the invention of these technologies, the field of particle layer-by-layer still requires further technological development to achieve a high-yield, automatable, and industrially ready process, a requirement for the diverse, reactionary field of biomedicine and high-throughput pharmaceutical industry. This review provides a background on layer-by-layer, focusing on how its constituent building blocks and bonding mechanisms enable unmatched versatility. The discussion then extends to established and recent technologies employed for coating micro- and nanoscopic matter, evaluating their drawbacks and advantages, and highlighting promising areas in microfluidic approaches, where one distinctly auspicious technology emerges, acoustofluidics. The review also explores the potential and demonstrated application of acoustofluidics in layer-by-layer technology, as well as analyzing existing acoustofluidic technologies beyond LbL coating in areas such as cell trapping, cell sorting, and multidimensional particle manipulation. Finally, the review concludes with future perspectives on layer-by-layer nanoparticle coating and the potential impact of integrating acoustofluidic methods.
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Affiliation(s)
- Seth Rowland
- School
of Engineering, Newcastle University, Newcastle-upon-Tyne NE1
7RU, United Kingdom
| | - Amirreza Aghakhani
- School
of Engineering, Newcastle University, Newcastle-upon-Tyne NE1
7RU, United Kingdom
- Institute
for Biomaterials and Biomolecular Systems, University of Stuttgart, 70569 Stuttgart, Germany
| | - Richard D. Whalley
- School
of Engineering, Newcastle University, Newcastle-upon-Tyne NE1
7RU, United Kingdom
| | - Ana Marina Ferreira
- School
of Engineering, Newcastle University, Newcastle-upon-Tyne NE1
7RU, United Kingdom
| | - Nicholas Kotov
- Department
of Chemical Engineering, University of Michigan, 2300 Hayward Street, Ann Arbor, Michigan 48109, United States
| | - Piergiorgio Gentile
- School
of Engineering, Newcastle University, Newcastle-upon-Tyne NE1
7RU, United Kingdom
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2
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Changsan N, Atipairin A, Muenraya P, Sritharadol R, Srichana T, Balekar N, Sawatdee S. In Vitro Evaluation of Colistin Conjugated with Chitosan-Capped Gold Nanoparticles as a Possible Formulation Applied in a Metered-Dose Inhaler. Antibiotics (Basel) 2024; 13:630. [PMID: 39061312 PMCID: PMC11274357 DOI: 10.3390/antibiotics13070630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 06/30/2024] [Accepted: 07/04/2024] [Indexed: 07/28/2024] Open
Abstract
Inhaled colistin is used to treat pneumonia and respiratory infections through nebulization or dry powder inhalers. Nevertheless, the development of a metered-dose inhaler (MDI) for colistin, which could enhance patient convenience and treatment efficacy, has not yet been developed. Colistin is known for its ability to induce cellular toxicity. Gold nanoparticles (AuNPs) can potentially mitigate colistin toxicity. Therefore, this study aimed to evaluate the antimicrobial effectiveness of colistin conjugated with chitosan-capped gold nanoparticles (Col-CS-AuNPs) and their potential formulation for use with MDIs to deliver the aerosol directly to the deep lung. Fourier-transform infrared spectroscopy, nuclear magnetic resonance, and elemental analysis were used to characterize the synthesized Col-CS-AuNPs. Drug release profiles fitted with the most suitable release kinetic model were evaluated. An MDI formulation containing 100 µg of colistin per puff was prepared. The aerosol properties used to determine the MDI performance included the fine particle fraction, mass median aerodynamic diameter, and geometric standard deviation, which were evaluated using the Andersen Cascade Impactor. The delivered dose uniformity was also determined. The antimicrobial efficacy of the Col-CS-AuNP formulation in the MDI was assessed. The chitosan-capped gold nanoparticles (CS-AuNPs) and Col-CS-AuNPs had particle sizes of 44.34 ± 1.02 and 174.50 ± 4.46 nm, respectively. CS-AuNPs effectively entrapped 76.4% of colistin. Col-CS-AuNPs exhibited an initial burst release of up to 60% colistin within the first 6 h. The release mechanism was accurately described by the Korsmeyer-Peppas model, with an R2 > 0.95. The aerosol properties of the Col-CS-AuNP formulation in the MDI revealed a high fine particle fraction of 61.08%, mass median aerodynamic diameter of 2.34 µm, and geometric standard deviation of 0.21, with a delivered dose uniformity within 75-125% of the labeled claim. The Col-CS-AuNP MDI formulation completely killed Escherichia coli at 5× and 10× minimum inhibitory concentrations after 6 and 12 h of incubation, respectively. The toxicity of CS-AuNP and Col-CS-AuNP MDI formulations in upper and lower respiratory tract cell lines was lower than that of free colistin. The stability of the Col-CS-AuNP MDI formulation was maintained for at least 3 months. The Col-CS-AuNP MDI formulation effectively eradicated bacteria over a 12-h period, showing promise for advancing lung infection treatments.
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Affiliation(s)
- Narumon Changsan
- College of Pharmacy, Rangsit University, Pathum Thani 12000, Thailand;
| | - Apichart Atipairin
- School of Pharmacy, Walailak University, Thasala 80160, Nakhon Si Thammarat, Thailand; (A.A.); (P.M.)
- Drug and Cosmetics Excellence Center, Walailak University, Thasala 80160, Nakhon Si Thammarat, Thailand
| | - Poowadon Muenraya
- School of Pharmacy, Walailak University, Thasala 80160, Nakhon Si Thammarat, Thailand; (A.A.); (P.M.)
- Drug and Cosmetics Excellence Center, Walailak University, Thasala 80160, Nakhon Si Thammarat, Thailand
| | - Rutthapol Sritharadol
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand;
| | - Teerapol Srichana
- Drug Delivery System Excellence Center, Department of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Hat Yai 90112, Songkhla, Thailand;
| | - Neelam Balekar
- College of Pharmacy, IPS Academy, Indore 452012, Madhya Pradesh, India;
| | - Somchai Sawatdee
- School of Pharmacy, Walailak University, Thasala 80160, Nakhon Si Thammarat, Thailand; (A.A.); (P.M.)
- Drug and Cosmetics Excellence Center, Walailak University, Thasala 80160, Nakhon Si Thammarat, Thailand
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Rahman S, Sadaf S, Hoque ME, Mishra A, Mubarak NM, Malafaia G, Singh J. Unleashing the promise of emerging nanomaterials as a sustainable platform to mitigate antimicrobial resistance. RSC Adv 2024; 14:13862-13899. [PMID: 38694553 PMCID: PMC11062400 DOI: 10.1039/d3ra05816f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 04/02/2024] [Indexed: 05/04/2024] Open
Abstract
The emergence and spread of antibiotic-resistant (AR) bacterial strains and biofilm-associated diseases have heightened concerns about exploring alternative bactericidal methods. The WHO estimates that at least 700 000 deaths yearly are attributable to antimicrobial resistance, and that number could increase to 10 million annual deaths by 2050 if appropriate measures are not taken. Therefore, the increasing threat of AR bacteria and biofilm-related infections has created an urgent demand for scientific research to identify novel antimicrobial therapies. Nanomaterials (NMs) have emerged as a promising alternative due to their unique physicochemical properties, and ongoing research holds great promise for developing effective NMs-based treatments for bacterial and viral infections. This review aims to provide an in-depth analysis of NMs based mechanisms combat bacterial infections, particularly those caused by acquired antibiotic resistance. Furthermore, this review examines NMs design features and attributes that can be optimized to enhance their efficacy as antimicrobial agents. In addition, plant-based NMs have emerged as promising alternatives to traditional antibiotics for treating multidrug-resistant bacterial infections due to their reduced toxicity compared to other NMs. The potential of plant mediated NMs for preventing AR is also discussed. Overall, this review emphasizes the importance of understanding the properties and mechanisms of NMs for the development of effective strategies against antibiotic-resistant bacteria.
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Affiliation(s)
- Sazedur Rahman
- Department of Mechanical and Production Engineering, Ahsanullah University of Science and Technology Dhaka Bangladesh
| | - Somya Sadaf
- Department of Civil and Environmental Engineering, Birla Institute of Technology Mesra Ranchi 835215 Jharkhand India
| | - Md Enamul Hoque
- Department of Biomedical Engineering, Military Institute of Science and Technology Dhaka Bangladesh
| | - Akash Mishra
- Department of Civil and Environmental Engineering, Birla Institute of Technology Mesra Ranchi 835215 Jharkhand India
| | - Nabisab Mujawar Mubarak
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei Bandar Seri Begawan BE1410 Brunei Darussalam
- Department of Chemistry, School of Chemical Engineering and Physical Sciences, Lovely Professional University Jalandhar Punjab India
| | - Guilherme Malafaia
- Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute Urutaí GO Brazil
| | - Jagpreet Singh
- Department of Chemistry, University Centre for Research and Development, Chandigarh University Mohali-140413 India
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Kharga K, Jha S, Vishwakarma T, Kumar L. Current developments and prospects of the antibiotic delivery systems. Crit Rev Microbiol 2024:1-40. [PMID: 38425122 DOI: 10.1080/1040841x.2024.2321480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 02/16/2024] [Indexed: 03/02/2024]
Abstract
Antibiotics have remained the cornerstone for the treatment of bacterial infections ever since their discovery in the twentieth century. The uproar over antibiotic resistance among bacteria arising from genome plasticity and biofilm development has rendered current antibiotic therapies ineffective, urging the development of innovative therapeutic approaches. The development of antibiotic resistance among bacteria has further heightened the clinical failure of antibiotic therapy, which is often linked to its low bioavailability, side effects, and poor penetration and accumulation at the site of infection. In this review, we highlight the potential use of siderophores, antibodies, cell-penetrating peptides, antimicrobial peptides, bacteriophages, and nanoparticles to smuggle antibiotics across impermeable biological membranes to achieve therapeutically relevant concentrations of antibiotics and combat antimicrobial resistance (AMR). We will discuss the general mechanisms via which each delivery system functions and how it can be tailored to deliver antibiotics against the paradigm of mechanisms underlying antibiotic resistance.
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Affiliation(s)
- Kusum Kharga
- School of Biotechnology, Faculty of Applied Sciences and Biotechnology, Shoolini University, Himachal Pradesh, India
| | - Shubhang Jha
- School of Bioengineering and Food Technology, Faculty of Applied Sciences and Biotechnology, Shoolini University, Himachal Pradesh, India
| | - Tanvi Vishwakarma
- School of Bioengineering and Food Technology, Faculty of Applied Sciences and Biotechnology, Shoolini University, Himachal Pradesh, India
| | - Lokender Kumar
- School of Biotechnology, Faculty of Applied Sciences and Biotechnology, Shoolini University, Himachal Pradesh, India
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5
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Rajchakit U, Lamba S, Wang K, Lyons N, Lu J, Swift S, Pletzer D, Sarojini V. Size-Controlled Synthesis of Gold Nanoparticles Tethering Antimicrobial Peptides with Potent Broad-Spectrum Antimicrobial and Antibiofilm Activities. Mol Pharm 2024; 21:596-608. [PMID: 38190605 DOI: 10.1021/acs.molpharmaceut.3c00734] [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] [Indexed: 01/10/2024]
Abstract
New antimicrobials are urgently needed to combat the rising global health concern of antibiotic resistance. Antimicrobial peptides (AMPs) are one of the leading candidates as new antimicrobials since they target bacterial membranes and are therefore less prone to bacterial resistance. However, poor enzymatic stability, high production costs, and toxicity are drawbacks that limit their clinical use. Conjugation of AMPs to gold nanoparticles (NPs) may help to improve enzymatic stability and, thus, their overall antimicrobial efficiency. We did a one-pot synthesis of size-controlled (10 nm) gold NPs selectively conjugated to lipopeptides and determined their antibacterial activity. The conjugates exhibited potent (0.13-1.25 μM) antimicrobial activity against clinical isolates, including Gram-positive methicillin-resistant Staphylococcus aureus (S. aureus) ATCC33593, Gram-negative Escherichia coli (E. coli) CTX-M-14, multidrug-resistant Pseudomonas aeruginosa LESB58 and Acinetobacter baumannii ATCC19606, and showed promising activity (90% inhibition of initial biofilms and 80% reduction of preformed biofilms) against S. aureus and E. coli DH5α biofilms at low micromolar concentrations. The conjugates were stable in rat serum and not toxic to representative mammalian cell lines in vitro (≤64 μM) and in vivo (≤100 μM).
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Affiliation(s)
- Urawadee Rajchakit
- School of Chemical Sciences and The Centre for Green Chemical Science, University of Auckland, Auckland 1142, New Zealand
- The MacDiarmid Institute for Advanced Materials and Nanotechnology, Wellington 6012, New Zealand
| | - Saurabh Lamba
- School of Chemical Sciences and The Centre for Green Chemical Science, University of Auckland, Auckland 1142, New Zealand
- The MacDiarmid Institute for Advanced Materials and Nanotechnology, Wellington 6012, New Zealand
| | - Kelvin Wang
- Auckland Bioengineering Institute, University of Auckland, Auckland 1142, New Zealand
| | - Nikita Lyons
- Department of Microbiology and Immunology, University of Otago, Dunedin 9054, New Zealand
| | - Jun Lu
- Auckland Bioengineering Institute, University of Auckland, Auckland 1142, New Zealand
| | - Simon Swift
- Department of Molecular Medicine and Pathology, School of Medical Sciences, University of Auckland, Auckland 1142, New Zealand
| | - Daniel Pletzer
- Department of Microbiology and Immunology, University of Otago, Dunedin 9054, New Zealand
| | - Vijayalekshmi Sarojini
- School of Chemical Sciences and The Centre for Green Chemical Science, University of Auckland, Auckland 1142, New Zealand
- The MacDiarmid Institute for Advanced Materials and Nanotechnology, Wellington 6012, New Zealand
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6
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Sarma PP, Rai A, Baruah PK. Recent Advances in the Development of Antibiotics-Coated Gold Nanoparticles to Combat Antimicrobial Resistance. Antibiotics (Basel) 2024; 13:124. [PMID: 38391510 PMCID: PMC10886052 DOI: 10.3390/antibiotics13020124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 01/15/2024] [Accepted: 01/24/2024] [Indexed: 02/24/2024] Open
Abstract
Antimicrobial resistance (AMR) has become an alarming threat to the successful treatment of rapidly growing bacterial infections due to the abuse and misuse of antibiotics. Traditional antibiotics bear many limitations, including restricted bioavailability, inadequate penetration and the emergence of antimicrobial-resistant microorganisms. Recent advances in nanotechnology for the introduction of nanoparticles with fascinating physicochemical characteristics have been predicted as an innovative means of defence against antimicrobial-resistant diseases. The use of nanoparticles provides several benefits, including improved tissue targeting, better solubility, improved stability, enhanced epithelial permeability and causes minimal side effects. However, except for gold nanoparticles (AuNPs), the biological safety of the majority of metal nanoparticles remains a serious problem. AuNPs appear to be promising for drug delivery and medicinal applications because of their minimal toxicity, biocompatibility, functional flexibility, chemical stability and versatile biological activities, such as their antiviral, antifungal, anti-inflammatory and antimicrobial properties. Hence, we are focusing on the gold nanoparticles possessing antimicrobial activity in this article. This review will cover recent strategies in the preparation of gold nanoparticles, with special emphasis placed on antibiotics-coated AuNPs with enhanced antimicrobial properties and how they fight against disease-causing bacteria and eradicate biofilms, along with their activities and physicochemical properties.
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Affiliation(s)
- Partha Pratim Sarma
- Department of Applied Sciences, GUIST, Gauhati University, Guwahati 781014, Assam, India
| | - Akhilesh Rai
- CNC-Center for Neuroscience and Cell Biology and Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 000-447 Coimbra, Portugal
| | - Pranjal K Baruah
- Department of Applied Sciences, GUIST, Gauhati University, Guwahati 781014, Assam, India
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7
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Quadir S, Khan NA, Singh DK, Faraz A, Jhingan GD, Joshi MC. Exposure to High Dosage of Gold Nanoparticles Accelerates Growth Rate by Modulating Ribosomal Protein Expression. ACS NANO 2023; 17:15529-15541. [PMID: 37548618 DOI: 10.1021/acsnano.3c01973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Abstract
Gold nanoparticles (AuNPs) have been utilized in various biomedical applications including diagnostics and drug delivery. However, the cellular and metabolic responses of cells to these particles remain poorly characterized. In this study, we used bacteria (Escherichia coli and Bacillus subtilis) and a fungus (Saccharomyces cerevisiae) as model organisms to investigate the cellular and metabolic effects of exposure to different concentrations of citrate-capped spherical AuNPs with diameters of 5 and 10 nm. In different growth media, the synthesized AuNPs displayed stability and microorganisms exhibited uniform levels of uptake. Exposure to a high concentration of AuNPs (1012 particles) resulted in a reduced cell division time and a 2-fold increase in cell density in both bacteria and fungus. The exposed cells exhibited a decrease in average cell size and an increase in the expression of FtsZ protein (cell division marker), further supporting an accelerated growth rate. Notably, exposure to such a high concentration of AuNPs did not induce DNA damage, envelope stress, or a general stress response in bacteria. Differential whole proteome analysis revealed modulation of ribosomal protein expression upon exposure to AuNPs in both E. coli and S. cerevisiae. Interestingly, the accelerated growth observed upon exposure to AuNPs was sensitive to sub-minimum inhibitory concentration (sub-MIC) concentration of drugs that specifically target ribosome assembly and recycling. Based upon these findings, we hypothesize that exposure to high concentrations of AuNPs induces stress on the translation machinery. This leads to an increase in the protein synthesis rate by modulating ribosome assembly, which results in the rapid proliferation of cells.
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Affiliation(s)
- Shabina Quadir
- Multidisciplinary Centre for Advance Research & Studies, Jamia Millia Islamia, New Delhi 110025, India
| | - Nuha Abeer Khan
- Multidisciplinary Centre for Advance Research & Studies, Jamia Millia Islamia, New Delhi 110025, India
| | - Deepak Kumar Singh
- Multidisciplinary Centre for Advance Research & Studies, Jamia Millia Islamia, New Delhi 110025, India
| | - Amir Faraz
- Multidisciplinary Centre for Advance Research & Studies, Jamia Millia Islamia, New Delhi 110025, India
| | | | - Mohan Chandra Joshi
- Multidisciplinary Centre for Advance Research & Studies, Jamia Millia Islamia, New Delhi 110025, India
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8
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Antibiotic-Loaded Gold Nanoparticles: A Nano-Arsenal against ESBL Producer-Resistant Pathogens. Pharmaceutics 2023; 15:pharmaceutics15020430. [PMID: 36839753 PMCID: PMC9967522 DOI: 10.3390/pharmaceutics15020430] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 01/21/2023] [Accepted: 01/26/2023] [Indexed: 01/31/2023] Open
Abstract
The advent of new antibiotics has helped clinicians to control severe bacterial infections. Despite this, inappropriate and redundant use of antibiotics, inadequate diagnosis, and smart resistant mechanisms developed by pathogens sometimes lead to the failure of treatment strategies. The genotypic analysis of clinical samples revealed that the rapid spread of extended-spectrum β-lactamases (ESBLs) genes is one of the most common approaches acquired by bacterial pathogens to become resistant. The scenario compelled the researchers to prioritize the design and development of novel and effective therapeutic options. Nanotechnology has emerged as a plausible groundbreaking tool against resistant infectious pathogens. Numerous reports suggested that inorganic nanomaterials, specifically gold nanoparticles (AuNPs), have converted unresponsive antibiotics into potent ones against multi-drug resistant pathogenic strains. Interestingly, after almost two decades of exhaustive preclinical evaluations, AuNPs are gradually progressively moving ahead toward clinical evaluations. However, the mechanistic aspects of the antibacterial action of AuNPs remain an unsolved puzzle for the scientific fraternity. Thus, the review covers state-of-the-art investigations pertaining to the efficacy of AuNPs as a tool to overcome ESBLs acquired resistance, their applicability and toxicity perspectives, and the revelation of the most appropriate proposed mechanism of action. Conclusively, the trend suggested that antibiotic-loaded AuNPs could be developed into a promising interventional strategy to limit and overcome the concerns of antibiotic-resistance.
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9
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10
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Mitra S, Mondal AH, Mukhopadhyay K. Mitigating the toxicity of palmitoylated analogue of α-melanocyte stimulating hormone(11-13) by conjugation with gold nanoparticle: characterisation and antibacterial efficacy against methicillin sensitive and resistant Staphylococccus aureus. World J Microbiol Biotechnol 2022; 38:186. [PMID: 35972627 PMCID: PMC9379238 DOI: 10.1007/s11274-022-03365-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 07/25/2022] [Indexed: 11/24/2022]
Abstract
In an attempt to develop potent and non-toxic antimicrobial agent, the palmitoylated analogue of α-melanocyte stimulating hormone(11-13), Pal-α-MSH(11-13) was conjugated with gold nanoparticles (GNPs) for the first time and the efficacy of derived complex was investigated against two strains of Staphylococccus aureus. The GNPs were synthesized using tri-sodium citrate as reductant and Pal-α-MSH(11-13) was conjugated thereafter. The particles were characterised by UV-vis spectroscopy, transmission electron microscopy, dynamic light scattering, fourier transform infrared spectroscopy etc. Conjugation occurred via electrostatic interaction between anionic GNPs and cationic Pal-α-MSH(11-13). The zeta potential of GNP-Pal-α-MSH(11-13) was - 26.91, indicating its stability. The antibacterial activity was determined by minimal inhibitory concentration (MIC) and killing kinetics assay, whereas, inhibition of biofilm formation was studied by determining the biofilm biomass by crystal violet dye binding method, viability of biofilm-embedded cells by counting CFUs and metabolic activity by MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) assay. The toxicity was analysed by hemolysis assay against murine RBCs and cytotoxicity against 3T3 fibroblasts. The MIC was 18 µM for GNP-Pal-α-MSH(11-13) and 12 µM for Pal-α-MSH(11-13). The killing kinetics and biofilm inhibition studies indicated the comparable efficacy of peptide before and after nano-conjugation. Importantly, the conjugation resulted in diminished toxicity, as evidenced by 0.29 ± 0.03% hemolysis and 100% viable fibroblasts at 72 µM compared to the Pal-α-MSH(11-13), showing 74.99 ± 1.59% hemolysis and 59.39 ± 1.06% viable fibroblasts. The nano-fabrication drastically reduced the peptide toxicity without compromising its antibacterial efficacy. The anionicity of the conjugate may be responsible for non-toxicity that makes them suitable for pharmaceutical applications.
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Affiliation(s)
- Sayani Mitra
- Antimicrobial Research Laboratory, School of Environmental Sciences, Jawaharlal Nehru University, 110067, New Delhi, India
| | - Aftab Hossain Mondal
- Antimicrobial Research Laboratory, School of Environmental Sciences, Jawaharlal Nehru University, 110067, New Delhi, India.,Department of Microbiology, Faculty of Allied Health Sciences, Shree Guru Gobind Singh Tricentenary University, Gurugram-122505, Haryana, India
| | - Kasturi Mukhopadhyay
- Antimicrobial Research Laboratory, School of Environmental Sciences, Jawaharlal Nehru University, 110067, New Delhi, India.
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11
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Yust BG, Rao NZ, Schwarzmann ET, Peoples MH. Quantification of Spent Coffee Ground Extracts by Roast and Brew Method, and Their Utility in a Green Synthesis of Gold and Silver Nanoparticles. Molecules 2022; 27:molecules27165124. [PMID: 36014362 PMCID: PMC9413573 DOI: 10.3390/molecules27165124] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 07/31/2022] [Accepted: 08/08/2022] [Indexed: 11/18/2022] Open
Abstract
Nanotechnology has become increasingly important in modern society, and nanoparticles are routinely used in many areas of technology, industry, and commercial products. Many species of nanoparticle (NP) are typically synthesized using toxic or hazardous chemicals, making these methods less environmentally friendly. Consequently, there has been growing interest in green synthesis methods, which avoid unnecessary exposure to toxic chemicals and reduce harmful waste. Synthesis methods which utilize food waste products are particularly attractive because they add value and a secondary use for material which would otherwise be disposed of. Here, we show that spent coffee grounds (SCGs) that have already been used once in coffee brewing can be easily used to synthesize gold and silver NPs. SCGs derived from medium and dark roasts of the same bean source were acquired after brewing coffee by hot brew, cold brew, and espresso techniques. The total antioxidant activity (TAC) and total caffeoylquinic acid (CQA) of the aqueous SCG extracts were investigated, showing that hot brew SCGs had the highest CQA and TAC levels, while espresso SCGs had the lowest. SCG extract proved effective as a reducing agent in synthesizing gold and silver NPs regardless of roast or initial brew method.
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Affiliation(s)
- Brian G. Yust
- Department of Physics, Thomas Jefferson University, East Falls Campus, Philadelphia, PA 19144, USA
- Correspondence: ; Tel.: +1-(215)-951-2879
| | - Niny Z. Rao
- Department of Chemistry and Biochemistry, Thomas Jefferson University, East Falls Campus, Philadelphia, PA 19144, USA
| | - Evan T. Schwarzmann
- Department of Chemistry and Biochemistry, Thomas Jefferson University, East Falls Campus, Philadelphia, PA 19144, USA
| | - Madisyn H. Peoples
- Department of Chemistry and Biochemistry, Thomas Jefferson University, East Falls Campus, Philadelphia, PA 19144, USA
- College of Computing & Informatics, Drexel University, 3675 Market St., Philadelphia, PA 19144, USA
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12
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Borges FA, de Camargo Drago B, Baggio LO, de Barros NR, Sant'Ana Pegorin Brasil G, Scontri M, Mussagy CU, da Silva Ribeiro MC, Milori DMBP, de Morais CP, Marangoni BS, Nicolodelli G, Mecwan M, Mandal K, Guerra NB, Menegatti CR, Herculano RD. Metronidazole-loaded gold nanoparticles in natural rubber latex as a potential wound dressing. Int J Biol Macromol 2022; 211:568-579. [PMID: 35533848 DOI: 10.1016/j.ijbiomac.2022.05.025] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 05/02/2022] [Accepted: 05/04/2022] [Indexed: 12/19/2022]
Abstract
Gold nanoparticles (AuNPs) have shown interesting properties and specific biofunctions, providing benefits and new opportunities for controlled release systems. In this research, we demonstrated the use of natural rubber latex (NRL) from Hevea brasiliensis as a carrier of AuNPs and the antibiotic metronidazole (MET). We prepared AuNP-MET-NRL and characterized by physicochemical, biological and in vitro release assays. The effect of AuNPs on MET release was evaluated using UV-Vis and Laser-Induced Breakdown Spectroscopy (LIBS) techniques. AuNPs synthesized by Turkevich and Frens method resulted in a spherical shape with diameters of 34.8 ± 5.5 nm. We verified that there was no emergence or disappearance of new vibrational bands. Qualitatively and quantitatively, we showed that the MET crystals dispersed throughout the NRL. The Young's modulus and elongation values at dressing rupture were in the range appropriate for human skin application. 64.70% of the AuNP-MET complex was released within 100 h, exhibiting a second-order exponential release profile. The LIBS technique allowed monitoring of the AuNP release, indicating the Au emission peak reduction at 267.57 nm over time. Moreover, the dressing displayed an excellent hemocompatibility and fibroblast cell viability. These results demonstrated that the AuNP-MET-NRL wound dressing is a promising approach for dermal applications.
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Affiliation(s)
- Felipe Azevedo Borges
- São Paulo State University (UNESP), Bioengineering & Biomaterials Group, School of Pharmaceutical Sciences, Araraquara, SP, Brazil
| | - Bruno de Camargo Drago
- São Paulo State University (UNESP), Bioengineering & Biomaterials Group, School of Pharmaceutical Sciences, Araraquara, SP, Brazil; São Paulo State University (UNESP), Post-Graduate Program in Biotechnology, Institute of Chemistry, Araraquara, SP, Brazil
| | - Luís Otávio Baggio
- São Paulo State University (UNESP), Department of Biotechnology, School of Sciences, Humanities and Languages, Assis, SP, Brazil
| | - Natan Roberto de Barros
- Terasaki Institute for Biomedical Innovation (TIBI), 11507 W Olympic Blvd., Los Angeles, USA
| | - Giovana Sant'Ana Pegorin Brasil
- São Paulo State University (UNESP), Bioengineering & Biomaterials Group, School of Pharmaceutical Sciences, Araraquara, SP, Brazil; São Paulo State University (UNESP), Post-Graduate Program in Biotechnology, Institute of Chemistry, Araraquara, SP, Brazil
| | - Mateus Scontri
- São Paulo State University (UNESP), Bioengineering & Biomaterials Group, School of Pharmaceutical Sciences, Araraquara, SP, Brazil
| | - Cassamo Ussemane Mussagy
- Escuela de Agronomía, Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, Chile
| | | | | | | | - Bruno Spolon Marangoni
- Federal University of Mato Grosso do Sul (UFMS), Institute of Physics, Campo Grande, MS, Brazil
| | - Gustavo Nicolodelli
- Federal University of Santa Catarina (UFSC), Department of Physics, Center for Physical Sciences and Mathematics (CFM), Florianópolis, SC, Brazil
| | - Marvin Mecwan
- Terasaki Institute for Biomedical Innovation (TIBI), 11507 W Olympic Blvd., Los Angeles, USA
| | - Kalpana Mandal
- Terasaki Institute for Biomedical Innovation (TIBI), 11507 W Olympic Blvd., Los Angeles, USA
| | - Nayrim Brizuela Guerra
- Area of Exact Sciences and Engineering, University of Caxias do Sul (UCS), Caxias do Sul, RS, Brazil
| | | | - Rondinelli Donizetti Herculano
- São Paulo State University (UNESP), Bioengineering & Biomaterials Group, School of Pharmaceutical Sciences, Araraquara, SP, Brazil; São Paulo State University (UNESP), Department of Biotechnology, School of Sciences, Humanities and Languages, Assis, SP, Brazil; Terasaki Institute for Biomedical Innovation (TIBI), 11507 W Olympic Blvd., Los Angeles, USA.
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13
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Patil T, Khot V, Pandey-Tiwari A. Single-step antibiotic-mediated synthesis of kanamycin-conjugated gold nanoparticles for broad-spectrum antibacterial applications. Lett Appl Microbiol 2022; 75:913-923. [PMID: 35689349 DOI: 10.1111/lam.13764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 06/02/2022] [Accepted: 06/03/2022] [Indexed: 11/28/2022]
Abstract
Widespread and irrational use of antibiotics results in the development of antibiotic-resistant bacteria. Thus, there is a need to develop novel antibacterial agents in order to replace conventional antibiotics and to increase the efficacy of already existing antibiotics by combining them with other materials. Herein, a single-step antibiotic-mediated synthesis of antibiotic-conjugated gold nanoparticles is reported. In this single-step method antibiotic Kanamycin, an aminoglycoside itself plays the role of reducing as well as capping agent by reducing gold salt into gold nanoparticles. The kanamycin-conjugated gold nanoparticles (Kan-AuNPs) were confirmed by UV-Visible spectroscopy and further physico-chemically characterized by various instrumental techniques. Synthesized Kan-AuNPs showed broad-spectrum antibacterial activity against Gram-positive Staphylococcus aureus as well as Gram-negative Escherichia coli bacterial strains. They are also found to be effective against Pseudomonas aeruginosa and pathogenic E. coli isolated from urinary tract infections (UTIs) patients, which are responsible to cause hospital-acquired infections like nosocomial, burn wound and UTIs. The minimum inhibitory concentration (MIC) of Kan-AuNPs is 50 μg ml-1 for S. aureus and E. coli, 125 μg ml-1 for P. aeruginosa and 100 μg ml-1 for E. coli isolated from UTIs patients. It is also evident that the MIC of Kan-AuNPs for antibacterial activity is lower as compared to antibiotic kanamycin alone for all bacterial strains. Hence, the one-step strategy of synthesis for Kan-AuNPs is a suitable strategy for fighting infectious bacterial strains in hospitals, healthcare and the pharmaceutical industry.
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Affiliation(s)
- T Patil
- Department of Medical Biotechnology, Center for Interdisciplinary Research, D.Y. Patil Education Society (Institution Deemed to be University), Kolhapur, Maharashtra, India
| | - V Khot
- Department of Medical Physics, Center for Interdisciplinary Research, D.Y. Patil Education Society (Institution Deemed to be University), Kolhapur, Maharashtra, India
| | - A Pandey-Tiwari
- Department of Medical Biotechnology, Center for Interdisciplinary Research, D.Y. Patil Education Society (Institution Deemed to be University), Kolhapur, Maharashtra, India
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14
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Ahmad S, Zainab, Ahmad H, Khan I, Alghamdi S, Almehmadi M, Ali M, Ullah A, Hussain H, Khan NM, Ali F, Ahmad M. Green synthesis of gold nanaoparticles using Delphinium Chitralense tuber extracts, their characterization and enzyme inhibitory potential. BRAZ J BIOL 2022; 82:e257622. [PMID: 35293518 DOI: 10.1590/1519-6984.257622] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Accepted: 01/31/2022] [Indexed: 11/21/2022] Open
Abstract
Green synthesis has been introduced as an alternative to chemical synthesis due to the serious consequences. Metal nanoparticles synthesized through green approach have different pharmaceutical, medical and agricultural applications. The present study followed a green and simple route for the preparation of potentially bioactive gold nanoparticles (Au NPs). Au NPs were prepared via green synthesis approach using crude basic alkaloidal portion of the tuber of Delphinium chitralense. The green synthesized Au NPs were characterized by transmission electron microscopy (TEM), scanning electron microscopy (SEM), X-ray diffraction (XRD) fourier transform infrared (FTIR), and UV-Visible spectrophotometer. Morphological analysis shows that Au NPs have cubic geometry with different sizes. UV-Vis spectroscopic analysis confirmed the synthesis of Au NPs while XRD proved their pure crystalline phase. The Au NPs showed promising dose dependent inhibition of both AChE and BChE as compared to the crude as well as standard drug.
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Affiliation(s)
- S Ahmad
- University of Malakand, Department of Chemistry, Chakdara, Dir (L), Khyber Pakhtunkhwa, Pakistan.,Shaheed Benazir Bhutto University Sheringal, Department of Pharmacy, Dir (Upper), Khyber Pakhtunkhwa, Pakistan
| | - Zainab
- University of Malakand, Department of Chemistry, Chakdara, Dir (L), Khyber Pakhtunkhwa, Pakistan
| | - H Ahmad
- University of Malakand, Department of Chemistry, Chakdara, Dir (L), Khyber Pakhtunkhwa, Pakistan
| | - I Khan
- Bacha Khan University Charsadda, Department of Chemistry, Khyber Pakhtunkhwa, Pakistan
| | - S Alghamdi
- Umm Al-Qura University, Faculty of Applied Medical Sciences, Laboratory Medicine Department, Makkah, Saudi Arabia
| | - M Almehmadi
- Taif University, College of Applied Medical Sciences, Department of Clinical Laboratory Sciences, Taif, Saudi Arabia
| | - M Ali
- University of Malakand, Department of Chemistry, Chakdara, Dir (L), Khyber Pakhtunkhwa, Pakistan
| | - A Ullah
- Shaheed Benazir Bhutto University Sheringal, Department of Pharmacy, Dir (Upper), Khyber Pakhtunkhwa, Pakistan
| | - H Hussain
- Shaheed Benazir Bhutto University Sheringal, Department of Pharmacy, Dir (Upper), Khyber Pakhtunkhwa, Pakistan
| | - N M Khan
- Shaheed Benazir Bhutto University Sheringal, Department of Agriculture, Dir (Upper), Khyber Pakhtunkhwa, Pakistan
| | - F Ali
- Shaheed Benazir Bhutto University Sheringal, Department of Chemistry, Dir (Upper), Khyber Pakhtunkhwa, Pakistan
| | - M Ahmad
- University of Malakand, Department of Chemistry, Chakdara, Dir (L), Khyber Pakhtunkhwa, Pakistan
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15
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Rabiee N, Ahmadi S, Akhavan O, Luque R. Silver and Gold Nanoparticles for Antimicrobial Purposes against Multi-Drug Resistance Bacteria. MATERIALS (BASEL, SWITZERLAND) 2022; 15:1799. [PMID: 35269031 PMCID: PMC8911831 DOI: 10.3390/ma15051799] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/22/2022] [Accepted: 01/25/2022] [Indexed: 01/27/2023]
Abstract
Several pieces of research have been done on transition metal nanoparticles and their nanocomplexes as research on their physical and chemical properties and their relationship to biological features are of great importance. Among all their biological properties, the antibacterial and antimicrobial are especially important due to their high use for human needs. In this article, we will discuss the different synthesis and modification methods of silver (Ag) and gold (Au) nanoparticles and their physicochemical properties. We will also review some state-of-art studies and find the best relationship between the nanoparticles' physicochemical properties and potential antimicrobial activity. The possible antimicrobial mechanism of these types of nanoparticles will be discussed in-depth as well.
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Affiliation(s)
- Navid Rabiee
- Department of Physics, Sharif University of Technology, Tehran 11155-9161, Iran;
- School of Engineering, Macquarie University, Sydney, NSW 2109, Australia
| | - Sepideh Ahmadi
- Student Research Committee, Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran 19857-17443, Iran;
- Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran 19857-17443, Iran
| | - Omid Akhavan
- Department of Physics, Sharif University of Technology, Tehran 11155-9161, Iran;
| | - Rafael Luque
- Departamento de Química Orgánica, Campus de Rabanales, Universidad de Córdoba, Edificio Marie Curie (C-3), Ctra Nnal IV-A, Km 396, E14014 Cordoba, Spain
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16
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Hagbani TA, Yadav H, Moin A, Lila ASA, Mehmood K, Alshammari F, Khan S, Khafagy ES, Hussain T, Rizvi SMD, Abdallah MH. Enhancement of Vancomycin Potential against Pathogenic Bacterial Strains via Gold Nano-Formulations: A Nano-Antibiotic Approach. MATERIALS 2022; 15:ma15031108. [PMID: 35161053 PMCID: PMC8840600 DOI: 10.3390/ma15031108] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 01/21/2022] [Accepted: 01/24/2022] [Indexed: 12/12/2022]
Abstract
The remarkable rise of antibiotic resistance among pathogenic bacteria poses a significant threat to human health. Nanoparticles (NPs) have recently emerged as novel strategies for conquering fatal bacterial diseases. Furthermore, antibiotic-functionalized metallic NPs represent a viable nano-platform for combating bacterial resistance. In this study, we present the use of vancomycin-functionalized gold nanoparticles (V-GNPs) to battle pathogenic bacterial strains. A facile one-pot method was adopted to synthesize vancomycin-loaded GNPs in which the reducing properties of vancomycin were exploited to produce V-GNPs from gold ions. UV–Visible spectroscopy verified the production of V-GNPs via the existence of a surface plasmon resonance peak at 524 nm, whereas transmission electron microscopy depicted a size of ~24 nm. Further, dynamic light scattering (DLS) estimated the hydrodynamic diameter as 77 nm. The stability of V-GNPs was investigated using zeta-potential measurements, and the zeta potential of V-GNPs was found to be −18 mV. Fourier transform infrared spectroscopy confirmed the efficient loading of vancomycin onto GNP surfaces; however, the loading efficiency of vancomycin onto V-GNPs was 86.2%. Finally, in vitro antibacterial studies revealed that V-GNPs were much more effective, even at lower concentrations, than pure vancomycin. The observed antibacterial activities of V-GNPs were 1.4-, 1.6-, 1.8-, and 1.6-fold higher against Gram-negative Escherichia coli, Klebsiella oxytoca, and Pseudomonas aeruginosa and Gram-positive Staphylococcus aureus, respectively, compared to pure vancomycin. Collectively, V-GNPs represented a more viable alternative to pure vancomycin, even at a lower antibiotic dose, in conquering pathogenic bacteria.
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Affiliation(s)
- Turki Al Hagbani
- Department of Pharmaceutics, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia; (T.A.H.); (A.M.); (A.S.A.L.); (F.A.); (M.H.A.)
| | - Hemant Yadav
- Department of Pharmaceutics, RAK College of Pharmaceutical Sciences, RAK Medical & Health Sciences University, Ras Al Khaimah 11172, United Arab Emirates;
| | - Afrasim Moin
- Department of Pharmaceutics, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia; (T.A.H.); (A.M.); (A.S.A.L.); (F.A.); (M.H.A.)
| | - Amr Selim Abu Lila
- Department of Pharmaceutics, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia; (T.A.H.); (A.M.); (A.S.A.L.); (F.A.); (M.H.A.)
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt
| | - Khalid Mehmood
- Department of Pharmacy, Abbottabad University of Science and Technology, Havelian 22010, Pakistan;
| | - Farhan Alshammari
- Department of Pharmaceutics, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia; (T.A.H.); (A.M.); (A.S.A.L.); (F.A.); (M.H.A.)
| | - Salman Khan
- Nanomedicine and Nanotechnology Lab, Department of Biosciences, Integral University, Lucknow 226026, India;
| | - El-Sayed Khafagy
- Department of Pharmaceutics, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-kharj 11942, Saudi Arabia;
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Suez Canal University, Ismailia 41522, Egypt
| | - Talib Hussain
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia
- Correspondence: (T.H.); (S.M.D.R.)
| | - Syed Mohd Danish Rizvi
- Department of Pharmaceutics, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia; (T.A.H.); (A.M.); (A.S.A.L.); (F.A.); (M.H.A.)
- Correspondence: (T.H.); (S.M.D.R.)
| | - Marwa H. Abdallah
- Department of Pharmaceutics, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia; (T.A.H.); (A.M.); (A.S.A.L.); (F.A.); (M.H.A.)
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt
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17
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Ferreira-Gonçalves T, Ferreira D, Ferreira HA, Reis CP. Nanogold-based materials in medicine: from their origins to their future. Nanomedicine (Lond) 2021; 16:2695-2723. [PMID: 34879741 DOI: 10.2217/nnm-2021-0265] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
The properties of gold-based materials have been explored for centuries in several research fields, including medicine. Multiple published production methods for gold nanoparticles (AuNPs) have shown that the physicochemical and optical properties of AuNPs depend on the production method used. These different AuNP properties have allowed exploration of their usefulness in countless distinct biomedical applications over the last few years. Here we present an extensive overview of the most commonly used AuNP production methods, the resulting distinct properties of the AuNPs and the potential application of these AuNPs in diagnostic and therapeutic approaches in biomedicine.
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Affiliation(s)
- Tânia Ferreira-Gonçalves
- Research Institute for Medicines (iMed.ULisboa), Department of Pharmacy, Pharmacology and Health Technologies (DFFTS), Faculty of Pharmacy, Universidade de Lisboa, Av. Professor Gama Pinto, Lisboa, 1649-003, Portugal
| | - David Ferreira
- Comprehensive Health Research Centre (CHRC), Departamento de Desporto e Saúde, Escola de Saúde e Desenvolvimento Humano, Universidade de Évora, Largo dos Colegiais, Évora, 7000, Portugal
| | - Hugo A Ferreira
- Instituto de Biofísica e Engenharia Biomédica (IBEB), Faculdade de Ciências, Universidade de Lisboa, Campo Grande, Lisboa, 1749-016, Portugal
| | - Catarina P Reis
- Research Institute for Medicines (iMed.ULisboa), Department of Pharmacy, Pharmacology and Health Technologies (DFFTS), Faculty of Pharmacy, Universidade de Lisboa, Av. Professor Gama Pinto, Lisboa, 1649-003, Portugal.,Instituto de Biofísica e Engenharia Biomédica (IBEB), Faculdade de Ciências, Universidade de Lisboa, Campo Grande, Lisboa, 1749-016, Portugal
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18
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Antimicrobial Resistance and Inorganic Nanoparticles. Int J Mol Sci 2021; 22:ijms222312890. [PMID: 34884695 PMCID: PMC8657868 DOI: 10.3390/ijms222312890] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/16/2021] [Accepted: 11/17/2021] [Indexed: 01/10/2023] Open
Abstract
Antibiotics are being less effective, which leads to high mortality in patients with infections and a high cost for the recovery of health, and the projections that are had for the future are not very encouraging which has led to consider antimicrobial resistance as a global health problem and to be the object of study by researchers. Although resistance to antibiotics occurs naturally, its appearance and spread have been increasing rapidly due to the inappropriate use of antibiotics in recent decades. A bacterium becomes resistant due to the transfer of genes encoding antibiotic resistance. Bacteria constantly mutate; therefore, their defense mechanisms mutate, as well. Nanotechnology plays a key role in antimicrobial resistance due to materials modified at the nanometer scale, allowing large numbers of molecules to assemble to have a dynamic interface. These nanomaterials act as carriers, and their design is mainly focused on introducing the temporal and spatial release of the payload of antibiotics. In addition, they generate new antimicrobial modalities for the bacteria, which are not capable of protecting themselves. So, nanoparticles are an adjunct mechanism to improve drug potency by reducing overall antibiotic exposure. These nanostructures can overcome cell barriers and deliver antibiotics to the cytoplasm to inhibit bacteria. This work aims to give a general vision between the antibiotics, the nanoparticles used as carriers, bacteria resistance, and the possible mechanisms that occur between them.
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19
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Alshammari F, Alshammari B, Moin A, Alamri A, Al Hagbani T, Alobaida A, Baker A, Khan S, Rizvi SMD. Ceftriaxone Mediated Synthesized Gold Nanoparticles: A Nano-Therapeutic Tool to Target Bacterial Resistance. Pharmaceutics 2021; 13:1896. [PMID: 34834310 PMCID: PMC8622407 DOI: 10.3390/pharmaceutics13111896] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 11/03/2021] [Accepted: 11/05/2021] [Indexed: 11/16/2022] Open
Abstract
Ceftriaxone has been a part of therapeutic regime for combating some of the most aggressive bacterial infections in the last few decades. However, increasing bacterial resistance towards ceftriaxone and other third generation cephalosporin antibiotics has raised serious clinical concerns especially due to their misuse in the COVID-19 era. Advancement in nanotechnology has converted nano-therapeutic vision into a plausible reality with better targeting and reduced drug consumption. Thus, in the present study, gold nanoparticles (GNPs) were synthesized by using ceftriaxone antibiotic that acts as a reducing as well as capping agent. Ceftriaxone-loaded GNPs (CGNPs) were initially characterized by UV-visible spectroscopy, DLS, Zeta potential, Electron microscopy and FT-IR. However, a TEM micrograph showed a uniform size of 21 ± 1 nm for the synthesized CGNPs. Further, both (CGNPs) and pure ceftriaxone were examined for their efficacy against Escherichia coli, Staphylococcus aureus, Salmonella abony and Klebsiella pneumoniae. CGNPs showed MIC50 as 1.39, 1.6, 1.1 and 0.9 µg/mL against E. coli, S. aureus, S. abony and K. pneumoniae, respectively. Interestingly, CGNPs showed two times better efficacy when compared with pure ceftriaxone against the tested bacterial strains. Restoring the potential of unresponsive or less efficient ceftriaxone via gold nanoformulations is the most alluring concept of the whole study. Moreover, applicability of the findings from bench to bedside needs further validation.
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Affiliation(s)
- Farhan Alshammari
- Department of Pharmaceutics, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia; (F.A.); (A.M.); (T.A.H.); (A.A.)
| | - Bushra Alshammari
- Department of Medical Surgical Nursing, College of Nursing, University of Ha’il, Ha’il 81442, Saudi Arabia;
| | - Afrasim Moin
- Department of Pharmaceutics, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia; (F.A.); (A.M.); (T.A.H.); (A.A.)
| | - Abdulwahab Alamri
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia;
| | - Turki Al Hagbani
- Department of Pharmaceutics, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia; (F.A.); (A.M.); (T.A.H.); (A.A.)
| | - Ahmed Alobaida
- Department of Pharmaceutics, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia; (F.A.); (A.M.); (T.A.H.); (A.A.)
| | - Abu Baker
- Nanomedicine and Nanotechnology Lab, Department of Biosciences, Integral University, Lucknow 226026, India; (A.B.); (S.K.)
| | - Salman Khan
- Nanomedicine and Nanotechnology Lab, Department of Biosciences, Integral University, Lucknow 226026, India; (A.B.); (S.K.)
| | - Syed Mohd Danish Rizvi
- Department of Pharmaceutics, College of Pharmacy, University of Ha’il, Ha’il 81442, Saudi Arabia; (F.A.); (A.M.); (T.A.H.); (A.A.)
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20
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Gold Nanoparticles: Can They Be the Next Magic Bullet for Multidrug-Resistant Bacteria? NANOMATERIALS 2021; 11:nano11020312. [PMID: 33530434 PMCID: PMC7911621 DOI: 10.3390/nano11020312] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 01/19/2021] [Accepted: 01/21/2021] [Indexed: 12/11/2022]
Abstract
In 2017 the World Health Organization (WHO) announced a list of the 12 multidrug-resistant (MDR) families of bacteria that pose the greatest threat to human health, and recommended that new measures should be taken to promote the development of new therapies against these superbugs. Few antibiotics have been developed in the last two decades. Part of this slow progression can be attributed to the surge in the resistance acquired by bacteria, which is holding back pharma companies from taking the risk to invest in new antibiotic entities. With limited antibiotic options and an escalating bacterial resistance there is an urgent need to explore alternative ways of meeting this global challenge. The field of medical nanotechnology has emerged as an innovative and a powerful tool for treating some of the most complicated health conditions. Different inorganic nanomaterials including gold, silver, and others have showed potential antibacterial efficacies. Interestingly, gold nanoparticles (AuNPs) have gained specific attention, due to their biocompatibility, ease of surface functionalization, and their optical properties. In this review, we will focus on the latest research, done in the field of antibacterial gold nanoparticles; by discussing the mechanisms of action, antibacterial efficacies, and future implementations of these innovative antibacterial systems.
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