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Yang LT, Wang WJ, Huang WT, Wang LC, Hsu MC, Kan CD, Huang CY, Wong TW, Li WP. Photo-Responsive Ascorbic Acid-Modified Ag 2S-ZnS Heteronanostructure Dropping pH to Trigger Synergistic Antibacterial and Bohr Effects for Accelerating Infected Wound Healing. ACS APPLIED MATERIALS & INTERFACES 2024; 16:12018-12032. [PMID: 38394675 PMCID: PMC10921379 DOI: 10.1021/acsami.3c17424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 02/05/2024] [Accepted: 02/08/2024] [Indexed: 02/25/2024]
Abstract
Nonantibiotic approaches must be developed to kill pathogenic bacteria and ensure that clinicians have a means to treat wounds that are infected by multidrug-resistant bacteria. This study prepared matchstick-like Ag2S-ZnS heteronanostructures (HNSs). Their hydrophobic surfactants were then replaced with hydrophilic poly(ethylene glycol) (PEG) and thioglycolic acid (TGA) through the ligand exchange method, and this was followed by ascorbic acid (AA) conjugation with TGA through esterification, yielding well-dispersed PEGylated Ag2S-ZnS@TGA-AA HNSs. The ZnS component of the HNSs has innate semiconductivity, enabling the generation of electron-hole pairs upon irradiation with a light of wavelength 320 nm. These separate charges can react with oxygen and water around the HNSs to produce reactive oxygen species. Moreover, some holes can oxidize the surface-grafted AA to produce protons, decreasing the local pH and resulting in the corrosion of Ag2S, which releases silver ions. In evaluation tests, the PEGylated Ag2S-ZnS@TGA-AA had synergistic antibacterial ability and inhibited Gram-negative Escherichia coli and Gram-positive methicillin-resistant Staphylococcus aureus (MRSA). Additionally, MRSA-infected wounds treated with a single dose of PEGylated Ag2S-ZnS@TGA-AA HNSs under light exposure healed significantly more quickly than those not treated, a result attributable to the HNSs' excellent antibacterial and Bohr effects.
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Affiliation(s)
- Li-Ting Yang
- Department
of Medicinal and Applied Chemistry, Kaohsiung
Medical University, Kaohsiung 807, Taiwan
| | - Wen-Jyun Wang
- Department
of Medicinal and Applied Chemistry, Kaohsiung
Medical University, Kaohsiung 807, Taiwan
| | - Wan-Ting Huang
- Department
of Dermatology, National Cheng Kung University Hospital, College of
Medicine, National Cheng Kung University, Tainan 704, Taiwan
| | - Liu-Chun Wang
- Department
of Chemistry, National Cheng Kung University, Tainan 701, Taiwan
| | - Ming-Chien Hsu
- Department
of Medicinal and Applied Chemistry, Kaohsiung
Medical University, Kaohsiung 807, Taiwan
| | - Chung-Dann Kan
- Division
of Cardiovascular Surgery, Department of Surgery, National Cheng Kung
University Hospital, College of Medicine, National Cheng Kung University, Tainan 704, Taiwan
| | - Chun-Yung Huang
- Department
of Seafood Science, National Kaohsiung University
of Science and Technology, Kaohsiung 807, Taiwan
| | - Tak-Wah Wong
- Department
of Dermatology, National Cheng Kung University Hospital, College of
Medicine, National Cheng Kung University, Tainan 704, Taiwan
- Department
of Biochemistry & Molecular Biology, College of Medicine, National Cheng Kung University, Tainan 701, Taiwan
- Center
of Applied Nanomedicine, National Cheng
Kung University, Tainan 701, Taiwan
| | - Wei-Peng Li
- Department
of Medicinal and Applied Chemistry, Kaohsiung
Medical University, Kaohsiung 807, Taiwan
- Center
of Applied Nanomedicine, National Cheng
Kung University, Tainan 701, Taiwan
- Department
of Medical Research, Kaohsiung Medical University
Hospital, Kaohsiung 807, Taiwan
- Drug
Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung 807, Taiwan
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Miller AJ, Gass J, Jo MC, Bishop L, Petereit J, Woodhams DC, Voyles J. Towards the generation of gnotobiotic larvae as a tool to investigate the influence of the microbiome on the development of the amphibian immune system. Philos Trans R Soc Lond B Biol Sci 2023; 378:20220125. [PMID: 37305911 PMCID: PMC10258664 DOI: 10.1098/rstb.2022.0125] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 11/28/2022] [Indexed: 06/13/2023] Open
Abstract
The immune equilibrium model suggests that exposure to microbes during early life primes immune responses for pathogen exposure later in life. While recent studies using a range of gnotobiotic (germ-free) model organisms offer support for this theory, we currently lack a tractable model system for investigating the influence of the microbiome on immune system development. Here, we used an amphibian species (Xenopus laevis) to investigate the importance of the microbiome in larval development and susceptibility to infectious disease later in life. We found that experimental reductions of the microbiome during embryonic and larval stages effectively reduced microbial richness, diversity and altered community composition in tadpoles prior to metamorphosis. In addition, our antimicrobial treatments resulted in few negative effects on larval development, body condition, or survival to metamorphosis. However, contrary to our predictions, our antimicrobial treatments did not alter susceptibility to the lethal fungal pathogen Batrachochytrium dendrobatidis (Bd) in the adult life stage. While our treatments to reduce the microbiome during early development did not play a critical role in determining susceptibility to disease caused by Bd in X. laevis, they nevertheless indicate that developing a gnotobiotic amphibian model system may be highly useful for future immunological investigations. This article is part of the theme issue 'Amphibian immunity: stress, disease and ecoimmunology'.
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Affiliation(s)
| | - Jordan Gass
- Department of Biology, University of Nevada, Reno, NV 89557, USA
| | - Myung Chul Jo
- Environmental Health and Safety, University of Nevada, Reno, NV 89557, USA
| | - Lucas Bishop
- Nevada Bioinformatics Center, University of Nevada, Reno, NV 89557, USA
| | - Juli Petereit
- Nevada Bioinformatics Center, University of Nevada, Reno, NV 89557, USA
| | | | - Jamie Voyles
- Department of Biology, University of Nevada, Reno, NV 89557, USA
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Mutalik C, Saukani M, Khafid M, Krisnawati DI, Darmayanti R, Puspitasari B, Cheng TM, Kuo TR. Gold-Based Nanostructures for Antibacterial Application. Int J Mol Sci 2023; 24:10006. [PMID: 37373154 DOI: 10.3390/ijms241210006] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 06/04/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
Bacterial infections have become a fatal threat because of the abuse of antibiotics in the world. Various gold (Au)-based nanostructures have been extensively explored as antibacterial agents to combat bacterial infections based on their remarkable chemical and physical characteristics. Many Au-based nanostructures have been designed and their antibacterial activities and mechanisms have been further examined and demonstrated. In this review, we collected and summarized current developments of antibacterial agents of Au-based nanostructures, including Au nanoparticles (AuNPs), Au nanoclusters (AuNCs), Au nanorods (AuNRs), Au nanobipyramids (AuNBPs), and Au nanostars (AuNSs) according to their shapes, sizes, and surface modifications. The rational designs and antibacterial mechanisms of these Au-based nanostructures are further discussed. With the developments of Au-based nanostructures as novel antibacterial agents, we also provide perspectives, challenges, and opportunities for future practical clinical applications.
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Affiliation(s)
- Chinmaya Mutalik
- Graduate Institute of Nanomedicine and Medical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan
| | - Muhammad Saukani
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan
- Department of Mechanical Engineering, Faculty of Engineering, Universitas Islam Kalimantan MAB, Banjarmasin 70124, Kalimantan Selatan, Indonesia
| | - Muhamad Khafid
- Department of Nursing, Faculty of Nursing and Midwifery, Universitas Nahdlatul Ulama Surabaya, Surabaya 60237, East Java, Indonesia
| | | | - Rofik Darmayanti
- Dharma Husada Nursing Academy, Kediri 64117, East Java, Indonesia
| | | | - Tsai-Mu Cheng
- Graduate Institute for Translational Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei 11031, Taiwan
- Taipei Heart Institute, Taipei Medical University, Taipei 11031, Taiwan
- Cardiovascular Research Center, Taipei Medical University Hospital, Taipei Medical University, Taipei 11031, Taiwan
| | - Tsung-Rong Kuo
- Graduate Institute of Nanomedicine and Medical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan
- Stanford Byers Center for Biodesign, Stanford University, Stanford, CA 94305, USA
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Mohammadizadeh ZN, Ahadifar M, Mobinikhaledi M, Ahadi N. The green synthesis of environmentally friendly magnetic silver complex stabilized on MnCoFe 2O 4@sodium alginate nanoparticles (MCF@S-ALG/Ag) and evaluation of their antibacterial activity. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:37185-37196. [PMID: 36571692 DOI: 10.1007/s11356-022-24914-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 12/18/2022] [Indexed: 06/17/2023]
Abstract
Magnetic nanoparticles with green cover sodium alginate and Ag, MnCoFe2O4@Sodium alginate/Ag (MCF@S-ALG/Ag) MNPs were prepared by a simple and clean method from Sargassum Vulgare brown algae. The structure of these nanoparticles was characterized by the Fourier transform infrared (FT-IR), X-ray powder diffraction (XRD), field emission-scanning electron microscope (FE-SEM), energy-dispersive X-ray spectroscopy (EDX), thermogravimetric analysis (TGA), and vibrating sample magnetometer (VSM). Furthermore, the antibacterial activity of MCF@S-ALG/Ag MNPs was tested for two bacteria of gram-negative (Escherichia coli (E. coli)) bacteria and gram-positive (Staphylococcus aureus (S. aureus)) bacteria. The MCF@S-ALG/Ag MNPs showed the inhibition zone 16.32 mm for S. aureus and 12.84 mm for E. coli bacteria. The minimal inhibitory concentration (MIC) and the minimal bactericidal concentration (MBC) of MCF@S-ALG/Ag MNPs for both bacteria were found 20 µg/mL and 40 µg/mL, respectively.
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Affiliation(s)
| | - Mitra Ahadifar
- Department of Seafood Processing, Faculty of Science, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
| | - Mahta Mobinikhaledi
- Faculty of Pharmacy, Iran University of Medical Sciences, Shahid Hemmat Highway, Tehran, 1449614535, Iran
| | - Najmieh Ahadi
- Department of Chemistry, Faculty of Science, Arak University, Arak, 38156-88138, Iran.
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Bourouai MA, Si Larbi K, Bouchoucha A, Terrachet-Bouaziz S, Djebbar S. New Ni(II) and Pd(II) complexes bearing derived sulfa drug ligands: synthesis, characterization, DFT calculations, and in silico and in vitro biological activity studies. Biometals 2023; 36:153-188. [PMID: 36427181 DOI: 10.1007/s10534-022-00469-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 11/16/2022] [Indexed: 11/26/2022]
Abstract
In the present study, the synthesis of six new Ni(II) and Pd(II) complexes with three derived sulfamethoxazole drug ligands is reported. The coordination mode, geometry, and chemical formula of all the synthesized compounds have been determined by elemental analysis, mass spectrometry, emission atomic spectroscopy, conductivity measurements, magnetic susceptibility, FTIR, TGA, 1H-NMR, electronic absorption spectroscopy, SEM-EDX along with DFT calculations. The Schiff Base ligands were found to be bidentate and coordinated to the metal ions through sulfonamidic nitrogen and oxazolic nitrogen atoms leading to a square planar geometry for palladium (II) while a distorted octahedral geometry around Nickel (II) ion was suggested. Biological applications of the new complexes including in vitro antimicrobial, antioxidant and anticancer properties were investigated. The results showed that the new metal (II) compounds exhibit remarkable antibacterial inhibition activity against both Gram-positive and Gram-negative bacteria, in addition to noticeable DPPH free radical scavenging activity. The in vitro cytotoxicity assay of the complexes against cell lines of chronic myelogenous leukaemia (K562) showed promising potential for the application of the coordination compounds in antitumor therapy. Subsequently, to evaluate the pharmaceutical potential of the metal-containing compounds, pharmacokinetics and toxicity were studied by ADMET simulations while interactions between the complexes and bacterial proteins were evaluated by molecular docking.
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Affiliation(s)
- Mohamed Amine Bourouai
- Hydrometallurgy and Molecular Inorganic Chemistry Laboratory, Faculty of Chemistry, University of Science and Technology Houari Boumediene, BP 32 El Alia, 16111, Algiers, Algeria
| | - Karima Si Larbi
- Hydrometallurgy and Molecular Inorganic Chemistry Laboratory, Faculty of Chemistry, University of Science and Technology Houari Boumediene, BP 32 El Alia, 16111, Algiers, Algeria
| | - Afaf Bouchoucha
- Hydrometallurgy and Molecular Inorganic Chemistry Laboratory, Faculty of Chemistry, University of Science and Technology Houari Boumediene, BP 32 El Alia, 16111, Algiers, Algeria.
| | | | - Safia Djebbar
- Hydrometallurgy and Molecular Inorganic Chemistry Laboratory, Faculty of Chemistry, University of Science and Technology Houari Boumediene, BP 32 El Alia, 16111, Algiers, Algeria
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Shi N, Wang H, Cui C, Afshar EA, Mehrabi F, Taher MA, Shojaei M, Hamidi AS, Dong Y. Survey of antibacterial activity and release kinetics of gold-decorated magnetic nanoparticles of Fe0 conjugated with sulfamethoxazole against Escherichia coli and Staphylococcus aureus. CHEMOSPHERE 2022; 305:135179. [PMID: 35660051 DOI: 10.1016/j.chemosphere.2022.135179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 05/26/2022] [Accepted: 05/28/2022] [Indexed: 06/15/2023]
Abstract
Drug delivery of antibiotics with magnetic nanoparticles improved by coating metals such as gold and silver has recently been studied. This work describe a simple method to synthesize modified magnetic nanoparticles which have high ability to modify the customary formulation of antibiotics such as sulfamethoxazole (SMX) and pursuant study of adsorption-desorption (release) of this drug. These synthesized nanoparticles were characterized by different methods, including field emission scanning electron microscopy, energy dispersive X-ray spectroscopy and mapping, Fourier-transform infrared spectroscopy, X-ray diffraction, vibrating-sample magnetometry, thermogravimetric analysis and zeta potential test. Present assay showed a well correlation with the introduced carrier for the drug. Also the hypothesis were proved by some adsorption isotherm models and drug kinetics studies of carriers with different drug release kinetics models. This study confirmed the adsorption isotherm models and kinetics of drug sorbate are Temkin and Pseudo-First-Order Lagergren models, respectively; the kinetics of drug release from this carrier is based on Zero-Order model. The values of MIC in antibacterial test for pure SMX and SMX conjugated nanoparticles against Escherichia coli were calculated to be 14 and 2.5 μg/mL, respectively, and these values against Staphylococcus aureus were 24 and 1.25 μg/mL, respectively.
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Affiliation(s)
- Nan Shi
- School of Chemical Engineering and Technology North University of China, TaiYuan, China; Dezhou Graduate School, North University of China, Dezhou, China
| | - Haibin Wang
- School of Chemical Engineering and Technology North University of China, TaiYuan, China.
| | - Chengjun Cui
- School of Chemical Engineering and Technology North University of China, TaiYuan, China; Dezhou Graduate School, North University of China, Dezhou, China
| | | | - Fatemeh Mehrabi
- Department of Chemistry, Shahid Bahonar University of Kerman, Kerman, Iran.
| | - Mohammad Ali Taher
- Department of Chemistry, Shahid Bahonar University of Kerman, Kerman, Iran.
| | - Moein Shojaei
- Department of Chemistry, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Ashraf Sadat Hamidi
- Department of Physics, Science and Research Branch, Islamic Azad University, Mazandaran, Iran
| | - Yu Dong
- School of Chemical Engineering and Technology North University of China, TaiYuan, China; Dezhou Graduate School, North University of China, Dezhou, China
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Magnetic Nanoparticles: Current Advances in Nanomedicine, Drug Delivery and MRI. CHEMISTRY 2022. [DOI: 10.3390/chemistry4030063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Magnetic nanoparticles (MNPs) have evolved tremendously during recent years, in part due to the rapid expansion of nanotechnology and to their active magnetic core with a high surface-to-volume ratio, while their surface functionalization opened the door to a plethora of drug, gene and bioactive molecule immobilization. Taming the high reactivity of the magnetic core was achieved by various functionalization techniques, producing MNPs tailored for the diagnosis and treatment of cardiovascular or neurological disease, tumors and cancer. Superparamagnetic iron oxide nanoparticles (SPIONs) are established at the core of drug-delivery systems and could act as efficient agents for MFH (magnetic fluid hyperthermia). Depending on the functionalization molecule and intrinsic morphological features, MNPs now cover a broad scope which the current review aims to overview. Considering the exponential expansion of the field, the current review will be limited to roughly the past three years.
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Salehi A, Behpour M, Afzali D. Investigation into the antibacterial activity of covalent organic frameworks as a delivery system of trimethoprim against Escherichia coli and Staphylococcus aureus. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04119-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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