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Dos Santos AF, Martins MO, Lameira J, de Oliveira Araújo J, Frizzo MS, Davidson CB, de Souza DV, Machado AK, Mortari SR, Druzian DM, Tonel MZ, da Silva IZ, Fagan SB. Evaluation interaction of graphene oxide with heparin for antiviral blockade: a study of ab initio simulations, molecular docking, and experimental analysis. J Mol Model 2023; 29:235. [PMID: 37418181 DOI: 10.1007/s00894-023-05645-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 06/30/2023] [Indexed: 07/08/2023]
Abstract
CONTEXT Heparin, one of the drugs reused in studies with antiviral activity, was chosen to investigate a possible blockade of the SARS-CoV-2 spike protein for viral entry through computational simulations and experimental analysis. Heparin was associated to graphene oxide to increase in the binding affinity in biological system. First, the electronic and chemical interaction between the molecules was analyzed through ab initio simulations. Later, we evaluate the biological compatibility of the nanosystems, in the target of the spike protein, through molecular docking. The results show that graphene oxide interacts with the heparin with an increase in the affinity energy with the spike protein, indicating a possible increment in the antiviral activity. Experimental analysis of synthesis and morphology of the nanostructures were carried out, indicating heparin absorption by graphene oxide, confirming the results of the first principle simulations. Experimental tests were conducted on the structure and surface of the nanomaterial, confirming the heparin aggregation on the synthesis with a size between the GO layers of 7.44 Å, indicating a C-O type bond, and exhibiting a hydrophilic surface characteristic (36.2°). METHODS Computational simulations of the ab initio with SIESTA code, LDA approximations, and an energy shift of 0.05 eV. Molecular docking simulations were performed in the AutoDock Vina software integrated with the AMDock Tools Software using the AMBER force field. GO, GO@2.5Heparin, and GO@5Heparin were synthesized by Hummers and impregnation methods, respectively, and characterized by X-ray diffraction and surface contact angle.
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Affiliation(s)
- André Flores Dos Santos
- Postgraduate Program in Nanoscience: Laboratory of Simulation and Modeling of Nanomaterials-LASIMON, Franciscan University-UFN, Andradas Street, 1614, Santa Maria, RS, 97010-030, Brazil.
| | - Mirkos Ortiz Martins
- Postgraduate Program in Nanoscience: Laboratory of Simulation and Modeling of Nanomaterials-LASIMON, Franciscan University-UFN, Andradas Street, 1614, Santa Maria, RS, 97010-030, Brazil
| | - Jerônimo Lameira
- Institute of Biological Sciences, Federal University of Pará-UFPA, Belém, PA, Brazil
| | | | - Marcela Sagrilo Frizzo
- Postgraduate Program in Chemical Engineering-PosENQ, Federal University of Santa Catarina-UFSC, Florianopolis, SC, Brazil
| | - Carolina Bordin Davidson
- Postgraduate Program in Nanosciences: Laboratory of Cell Culture and Bioactive Effects, Franciscan University-UFN, Santa Maria, RS, Brazil
| | - Diulie Valente de Souza
- Postgraduate Program in Nanosciences: Laboratory of Cell Culture and Bioactive Effects, Franciscan University-UFN, Santa Maria, RS, Brazil
| | - Alencar Kolinski Machado
- Postgraduate Program in Nanosciences: Laboratory of Cell Culture and Bioactive Effects, Franciscan University-UFN, Santa Maria, RS, Brazil
| | - Sérgio Roberto Mortari
- Postgraduate Program in Nanoscience: Laboratory of Simulation and Modeling of Nanomaterials-LASIMON, Franciscan University-UFN, Andradas Street, 1614, Santa Maria, RS, 97010-030, Brazil
| | - Daniel Moro Druzian
- Postgraduate Program in Nanoscience: Laboratory of Simulation and Modeling of Nanomaterials-LASIMON, Franciscan University-UFN, Andradas Street, 1614, Santa Maria, RS, 97010-030, Brazil
| | - Mariana Zancan Tonel
- Postgraduate Program in Nanoscience: Laboratory of Simulation and Modeling of Nanomaterials-LASIMON, Franciscan University-UFN, Andradas Street, 1614, Santa Maria, RS, 97010-030, Brazil
| | - Ivana Zanella da Silva
- Postgraduate Program in Nanoscience: Laboratory of Simulation and Modeling of Nanomaterials-LASIMON, Franciscan University-UFN, Andradas Street, 1614, Santa Maria, RS, 97010-030, Brazil
| | - Solange Binotto Fagan
- Postgraduate Program in Nanoscience: Laboratory of Simulation and Modeling of Nanomaterials-LASIMON, Franciscan University-UFN, Andradas Street, 1614, Santa Maria, RS, 97010-030, Brazil
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Nanomaterials Aspects for Photocatalysis as Potential for the Inactivation of COVID-19 Virus. Catalysts 2023. [DOI: 10.3390/catal13030620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2023] Open
Abstract
Coronavirus disease-2019 is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and is the most difficult recent global outbreak. Semiconducting materials can be used as effective photocatalysts in photoactive technology by generating various reactive oxidative species (ROS), including superoxide (•O2−) and hydroxyl (•OH) radicals, either by degradation of proteins, DNA, and RNA or by inhibition of cell development through terminating the cellular membrane. This review emphasizes the capability of photocatalysis as a reliable, economical, and fast-preferred method with high chemical and thermal stability for the deactivation and degradation of SARS-CoV-2. The light-generated holes present in the valence band (VB) have strong oxidizing properties, which result in the oxidation of surface proteins and their inactivation under light illumination. In addition, this review discusses the most recent photocatalytic systems, including metals, metal oxides, carbonaceous nanomaterials, and 2-dimensional advanced structures, for efficient SARS-CoV-2 inactivation using different photocatalytic experimental parameters. Finally, this review article summarizes the limitations of these photocatalytic approaches and provides recommendations for preserving the antiviral properties of photocatalysts, large-scale treatment, green sustainable treatment, and reducing the overall expenditure for applications.
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Schultz JV, Tonel MZ, Martins MO, Fagan SB. Graphene oxide and flavonoids as potential inhibitors of the spike protein of SARS-CoV-2 variants and interaction between ligands: a parallel study of molecular docking and DFT. Struct Chem 2023; 34:1-11. [PMID: 36721714 PMCID: PMC9880933 DOI: 10.1007/s11224-023-02135-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 01/19/2023] [Indexed: 01/28/2023]
Abstract
Nanocarriers allow the connection between biomolecules and other structures to enhance the treatment efficacy, through the biomolecule's properties to an existing drug, or to allow a better and specific delivery. Apigenin and orientin are biomolecules with excellent therapeutic properties that are proposed in the fight against COVID-19. Besides that, graphene oxide is a nanomaterial that exhibits antiviral activity and is used as a nanocarrier of several drugs. We evaluated in this work, through molecular docking, the binding affinity between these structures to the receptor-binding domain of spike protein of two coronavirus variants, Delta and Omicron. The results indicate that all the structures exhibit affinity with the two protein targets, with binding affinity values of -11.88 to -6.65 kcal/mol for the Delta variant and values of -9.58 to -13.20 kcal/mol for the Omicron variant, which is a successful value as found in the literature as a potential inhibitor of SARS-CoV-2 infection. Also, through first-principles calculations based on Density Functional Theory, the interaction of graphene oxide with the biomolecules apigenin and orientin occurred. The results exhibit weak binding energy, which indicates that physical adsorption occurs, with better results when the biomolecule is set in parallel to the nanomaterial due to attractive π-π staking. These results are conducive to the development of a nanocarrier.
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Affiliation(s)
- Júlia Vaz Schultz
- PPGNANO - Postgraduate Program in Nanoscience, Universidade Franciscana-UFN, Rua dos Andradas, 1614, ZIP 97010-032, Santa Maria, RS Brazil
| | - Mariana Zancan Tonel
- PPGNANO - Postgraduate Program in Nanoscience, Universidade Franciscana-UFN, Rua dos Andradas, 1614, ZIP 97010-032, Santa Maria, RS Brazil
| | - Mirkos Ortiz Martins
- PPGNANO - Postgraduate Program in Nanoscience, Universidade Franciscana-UFN, Rua dos Andradas, 1614, ZIP 97010-032, Santa Maria, RS Brazil
| | - Solange Binotto Fagan
- PPGNANO - Postgraduate Program in Nanoscience, Universidade Franciscana-UFN, Rua dos Andradas, 1614, ZIP 97010-032, Santa Maria, RS Brazil
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Kohzadi S, Najmoddin N, Baharifar H, Shabani M. Functionalized SPION immobilized on graphene-oxide: Anticancer and antiviral study. DIAMOND AND RELATED MATERIALS 2022; 127:109149. [PMID: 35677893 PMCID: PMC9163046 DOI: 10.1016/j.diamond.2022.109149] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 05/23/2022] [Accepted: 05/29/2022] [Indexed: 05/14/2023]
Abstract
The progressive and fatal outbreak of some diseases such as cancer and coronavirus necessitates using advanced materials to bring such devastating illnesses under control. In this study, graphene oxide (GO) is decorated by superparamagnetic iron oxide nanoparticles (SPION) (GO/SPION) as well as polyethylene glycol functionalized SPION (GO/SPION@PEG), and chitosan functionalized SPION (GO/SPION@CS). Field emission scanning electron microscopic (FESEM) images show the formation of high density uniformly distributed SPION nanoparticles on the surface of GO sheets. The structural and chemical composition of nanostructures is confirmed by X-ray diffraction and Fourier transform infrared spectroscopy. The saturation magnetization of GO/SPION, GO/SPION@PEG and GO- SPION@CS are found to be 20, 19 and 8 emu/g using vibrating sample magnetometer. Specific absorption rate (SAR) values of 305, 283, and 199 W/g and corresponding intrinsic loss power (ILP) values of 9.4, 8.7, and 6.2 nHm2kg-1 are achieved for GO/SPION, GO/SPION@PEG and GO/SPION@CS, respectively. The In vitro cytotoxicity assay indicates higher than 70% cell viability for all nanostructures at 100, 300, and 500 ppm after 24 and 72 h. Additionally, cancerous cell (EJ138 human bladder carcinoma) ablation is observed using functionalized GO/SPION under applied magnetic field. More than 50% cancerous cell death has been achieved for GO/SPION@PEG at 300 ppm concentration. Furthermore, Surrogate virus neutralization test is applied to investigate neutralizing property of the synthesized nanostructures through analysis of SARS-CoV-2 receptor-binding domain and human angiotensin-converting enzyme 2 binding. The highest level of SARS-CoV-2 virus inhibition is related to GO/SPION@CS (86%) due to the synergistic exploitation of GO and chitosan. Thus, GO/SPION and GO/SPION@PEG with higher SAR and ILP values could be beneficial for cancer treatment, while GO/SPION@CS with higher virus suppression has potential to use against coronaviruses. Thus, the developed nanocomposites have a potential in the efficient treatment of cancer and coronavirus.
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Affiliation(s)
- Shaghayegh Kohzadi
- Department of Biomedical Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Najmeh Najmoddin
- Department of Biomedical Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Hadi Baharifar
- Department of Biomedical Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Mahdi Shabani
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Lee J, Seo J, Cho KM, Heo J, Jung H, Park S, Bae J, Lee S, Hong J, Kim MK, Jin Y. Ultralight and Ultrathin Electrospun Membranes with Enhanced Air Permeability for Chemical and Biological Protection. ACS APPLIED MATERIALS & INTERFACES 2022; 14:32522-32532. [PMID: 35793246 DOI: 10.1021/acsami.2c06940] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
With the growing interest in chemical and biological warfare agents (CWAs/BWAs), the focus has shifted toward aerosol protection using protective clothing. However, compared to air-permeable membranes, those with water vapor permeability have been investigated more extensively. Filtering membranes without air permeability have limited practical usage in personal protective suits and masks. In this study, polyacrylonitrile membranes with tightly attached activated carbon and doped copper(II) oxide were prepared via electrospinning. The nanofibers with uniformly controlled diameters and smooth morphologies enable water/air breathability and protection against aerosol (100 nm polystyrene nanobeads similar to SARS-CoV-2) penetration. The uniformly distributed and tightly attached activated carbon and doped copper(II) oxide particles enhance the sorptive performance of the membranes by blocking gaseous CWAs, including soman, nerve chemical agents, and BWAs. Such dual-purpose membranes can be implemented in protective equipment owing to their high performance and easy processing.
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Affiliation(s)
- Jaeheon Lee
- Chem-Bio Technology Center, Agency for Defense Development, Yuseong P.O. Box 35, Daejeon 34186, Republic of Korea
| | - Jinah Seo
- Chem-Bio Technology Center, Agency for Defense Development, Yuseong P.O. Box 35, Daejeon 34186, Republic of Korea
| | - Kyeong Min Cho
- Chem-Bio Technology Center, Agency for Defense Development, Yuseong P.O. Box 35, Daejeon 34186, Republic of Korea
| | - Jiwoong Heo
- Chem-Bio Technology Center, Agency for Defense Development, Yuseong P.O. Box 35, Daejeon 34186, Republic of Korea
| | - Heesoo Jung
- Chem-Bio Technology Center, Agency for Defense Development, Yuseong P.O. Box 35, Daejeon 34186, Republic of Korea
| | - Sohyeon Park
- Department of Chemical & Biomolecular Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Jaekyung Bae
- Chem-Bio Technology Center, Agency for Defense Development, Yuseong P.O. Box 35, Daejeon 34186, Republic of Korea
| | - Sangmin Lee
- School of Mechanical Engineering, Chung-ang University, 84, Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Jinkee Hong
- Department of Chemical & Biomolecular Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Min-Kun Kim
- Chem-Bio Technology Center, Agency for Defense Development, Yuseong P.O. Box 35, Daejeon 34186, Republic of Korea
| | - Youngho Jin
- Chem-Bio Technology Center, Agency for Defense Development, Yuseong P.O. Box 35, Daejeon 34186, Republic of Korea
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Zanella I. COVID-19 therapy, from lung disease to systemic disorder. CURRENT RESEARCH IN PHARMACOLOGY AND DRUG DISCOVERY 2022; 3:100099. [PMID: 35382154 PMCID: PMC8973018 DOI: 10.1016/j.crphar.2022.100099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
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