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Wang S, Luo X. A First-Principles Study of Graphene and Graphene Oxide as Potential Tamoxifen Drug Delivery Vehicles for Breast Cancer. ACS OMEGA 2025; 10:5593-5600. [PMID: 39989753 PMCID: PMC11840592 DOI: 10.1021/acsomega.4c08517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2024] [Revised: 01/19/2025] [Accepted: 01/22/2025] [Indexed: 02/25/2025]
Abstract
Targeted therapy with tamoxifen is an effective method to treat breast cancer. This method requires competent drug delivery vehicles to ensure successful therapeutic practices. The stable adsorption between the drug and delivery vehicle is one of the essential components. Using first-principles calculations, the adsorption behaviors of tamoxifen on reduced graphene and graphene oxide were studied based on density functional theory. The results indicated that tamoxifen was weakly adsorbed on pristine graphene, while it was relatively strongly adsorbed on reduced graphene oxides. Our results concluded that among the systems of reduced graphene oxide with an oxygen concentration of 0%, 3.125%, and 12.5%, graphene sheets with oxygen were potential candidates for tamoxifen delivery vehicles for breast cancer targeted therapy, and graphene oxide with an oxygen concentration of 12.5% was the most promising one compared to other carbon-based vehicles.
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Affiliation(s)
- Suri Wang
- National Graphene Research
and Development Center, Springfield, Virginia 22151, United States
| | - Xuan Luo
- National Graphene Research
and Development Center, Springfield, Virginia 22151, United States
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Costa TLG, Vieira MA, Gonçalves GR, Cipriano DF, Lacerda V, Gonçalves AS, Scopel WL, de Siervo A, Freitas JCC. Combined computational and experimental study about the incorporation of phosphorus into the structure of graphene oxide. Phys Chem Chem Phys 2023; 25:6927-6943. [PMID: 36805087 DOI: 10.1039/d2cp03666e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
Phosphorus-containing graphene-based hybrids are materials with outstanding properties for diverse applications. In this work, an easy route to produce phosphorus-graphene oxide hybrid materials is described, involving the use of variable amounts of H3PO4 and H2SO4 during the reaction of oxidation of a graphitic precursor. The physical and chemical features of the hybrids change significantly with the variation in the acid amounts used in the syntheses. XPS and solid-state 13C and 31P NMR results show that the hybrids contain large amounts of oxygen functional groups, with the phosphorus incorporation proceeding mostly through the formation of phosphate-like linkages and other functions with C-O-P bonds. The experimental findings are supported by DFT calculations, which allow the assessment of the energetics and the geometry of the interaction between phosphate groups and graphene-based models; these calculations are also used to predict the chemical shifts in the 31P and 13C NMR spectra of the models, which show good agreement with the experimentally observed solid-state NMR spectra.
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Affiliation(s)
- Tainara L G Costa
- Laboratory of Carbon and Ceramic Materials, Department of Physics, Federal University of Espírito Santo (UFES), Av. Fernando Ferrari, 514, 29075-910, Vitória, ES, Brazil.
| | - Mariana A Vieira
- Laboratory of Carbon and Ceramic Materials, Department of Physics, Federal University of Espírito Santo (UFES), Av. Fernando Ferrari, 514, 29075-910, Vitória, ES, Brazil. .,Department of Physics, University of Alberta, Edmonton, AB T6G 2E1, Canada
| | - Gustavo R Gonçalves
- Laboratory of Carbon and Ceramic Materials, Department of Physics, Federal University of Espírito Santo (UFES), Av. Fernando Ferrari, 514, 29075-910, Vitória, ES, Brazil.
| | - Daniel F Cipriano
- Laboratory of Carbon and Ceramic Materials, Department of Physics, Federal University of Espírito Santo (UFES), Av. Fernando Ferrari, 514, 29075-910, Vitória, ES, Brazil.
| | - Valdemar Lacerda
- Federal Institute of Education, Science and Technology of Espírito Santo (IFES), Av. Min. Salgado Filho, 1000, 29106-010, Vila Velha, ES, Brazil
| | - Arlan S Gonçalves
- Laboratory of Organic Chemistry, Department of Chemistry, Federal University of Espírito Santo (UFES), Av. Fernando Ferrari, 514, 29075-910, Vitória, ES, Brazil
| | - Wanderlã L Scopel
- Laboratory of Carbon and Ceramic Materials, Department of Physics, Federal University of Espírito Santo (UFES), Av. Fernando Ferrari, 514, 29075-910, Vitória, ES, Brazil.
| | - Abner de Siervo
- Institute of Physics Gleb Wataghin - State University of Campinas (UNICAMP), Rua Sergio Buarque de Holanda 777, 13083-859, Campinas, SP, Brazil
| | - Jair C C Freitas
- Laboratory of Carbon and Ceramic Materials, Department of Physics, Federal University of Espírito Santo (UFES), Av. Fernando Ferrari, 514, 29075-910, Vitória, ES, Brazil.
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Separation of CH 4, H 2S, N 2 and CO 2 gases using four types of nanoporous graphene cluster model: a quantum chemical investigation. J Mol Model 2021; 27:201. [PMID: 34121149 DOI: 10.1007/s00894-021-04812-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 06/02/2021] [Indexed: 10/21/2022]
Abstract
Nanoporous graphene is being regarded as a promising candidate for reliable gas separation and purification applications. In the present research, the permeation barrier, selectivity and all thermodynamic functions for passing of four different molecules including CH4, H2S, N2 and CO2 gases on four types of porous graphene which is doped by two, three and six nitrogen atoms using quantum mechanical modelling, based on the density functional theory, B97D, and cc-pVTZ basis set have been evaluated. We find that the permeation barrier of all studied gases especially carbon dioxide decreased by considering the functionalized porous graphene by two, three and six nitrogens-doped, respectively. The results of our study propose using a porous graphene sheet as highly efficient and highly selective membranes for gas separations.
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Siklitskaya A, Gacka E, Larowska D, Mazurkiewicz-Pawlicka M, Malolepszy A, Stobiński L, Marciniak B, Lewandowska-Andrałojć A, Kubas A. Lerf-Klinowski-type models of graphene oxide and reduced graphene oxide are robust in analyzing non-covalent functionalization with porphyrins. Sci Rep 2021; 11:7977. [PMID: 33846412 PMCID: PMC8041773 DOI: 10.1038/s41598-021-86880-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 03/19/2021] [Indexed: 12/21/2022] Open
Abstract
Graphene-based nanohybrids are good candidates for various applications. However, graphene exhibits some unwanted features such as low solubility in an aqueous solution or tendency to aggregate, limiting its potential applications. On the contrary, its derivatives, such as graphene oxide (GO) and reduced graphene oxide (RGO), have excellent properties and can be easily produced in large quantities. GO/RGO nanohybrids with porphyrins were shown to possess great potential in the field of photocatalytic hydrogen production, pollutant photodegradation, optical sensing, or drug delivery. Despite the rapid progress in experimental research on the porphyrin-graphene hybrids some fundamental questions about the structures and the interaction between components in these systems still remain open. In this work, we combine detailed experimental and theoretical studies to investigate the nature of the interaction between the GO/RGO and two metal-free porphyrins 5,10,15,20-tetrakis(4-aminophenyl) porphyrin (TAPP) and 5,10,15,20-tetrakis(4-hydroxyphenyl) porphyrin (TPPH)]. The two porphyrins form stable nanohybrids with GO/RGO support, although both porphyrins exhibited a slightly higher affinity to RGO. We validated finite, Lerf-Klinowski-type (Lerf et al. in J Phys Chem B 102:4477, 1998) structural models of GO ([Formula: see text]) and RGO ([Formula: see text]) and successfully used them in ab initio absorption spectra simulations to track back the origin of experimentally observed spectral features. We also investigated the nature of low-lying excited states with high-level wavefunction-based methods and shown that states' density becomes denser upon nanohybrid formation. The studied nanohybrids are non-emissive, and our study suggests that this is due to excited states that gain significant charge-transfer character. The presented efficient simulation protocol may ease the properties screening of new GO/RGO-nanohybrids.
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Affiliation(s)
- Alexandra Siklitskaya
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland
| | - Ewelina Gacka
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznanskiego 8, 61-614, Poznan, Poland
- Center for Advanced Technology, Adam Mickiewicz University, Uniwersytetu Poznanskiego 10, 61-614, Poznan, Poland
| | - Daria Larowska
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznanskiego 8, 61-614, Poznan, Poland
| | - Marta Mazurkiewicz-Pawlicka
- Faculty of Chemical and Process Engineering, Warsaw University of Technology, Warynskiego 1, 00-645, Warsaw, Poland
| | - Artur Malolepszy
- Faculty of Chemical and Process Engineering, Warsaw University of Technology, Warynskiego 1, 00-645, Warsaw, Poland
| | - Leszek Stobiński
- Faculty of Chemical and Process Engineering, Warsaw University of Technology, Warynskiego 1, 00-645, Warsaw, Poland
- NANOMATERIALS Leszek Stobinski (www.nanomaterials.pl), Warsaw, Poland
| | - Bronisław Marciniak
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznanskiego 8, 61-614, Poznan, Poland
- Center for Advanced Technology, Adam Mickiewicz University, Uniwersytetu Poznanskiego 10, 61-614, Poznan, Poland
| | - Anna Lewandowska-Andrałojć
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznanskiego 8, 61-614, Poznan, Poland.
- Center for Advanced Technology, Adam Mickiewicz University, Uniwersytetu Poznanskiego 10, 61-614, Poznan, Poland.
| | - Adam Kubas
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland.
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