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Moshynets OV, Baranovskyi TP, Iungin OS, Krikunov AA, Potochilova VV, Rudnieva KL, Potters G, Pokholenko I. Therapeutic Potential of an Azithromycin-Colistin Combination against XDR K. pneumoniae in a 3D Collagen-Based In Vitro Wound Model of a Biofilm Infection. Antibiotics (Basel) 2023; 12:antibiotics12020293. [PMID: 36830203 PMCID: PMC9952533 DOI: 10.3390/antibiotics12020293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 01/20/2023] [Accepted: 01/28/2023] [Indexed: 02/05/2023] Open
Abstract
A therapeutic combination of azithromycin (AZM) and colistin methanesulfonate (CMS) was shown to be effective against both non-PDR and PDR Klebsiella pneumoniae biofilms in vitro. These anti-biofilm effects, however, may not correlate with effects observed in standard plate assays, nor will they representative of in vivo therapeutic action. After all, biofilm-associated infection processes are also impacted by the presence of wound bed components, such as host cells or wound fluids, which can all affect the antibiotic effectiveness. Therefore, an in vitro wound model of biofilm infection which partially mimics the complex microenvironment of infected wounds was developed to investigate the therapeutic potential of an AZM-CMS combination against XDR K. pneumoniae isolates. The model consists of a 3D collagen sponge-like scaffold seeded with HEK293 cells submerged in a fluid milieu mimicking the wound bed exudate. Media that were tested were all based on different strengths of Dulbecco's modified Eagles/high glucose medium supplemented with fetal bovine serum, and/or Bacto Proteose peptone. Use of this model confirmed AZM to be a highly effective antibiofilm component, when applied alone or in combination with CMS, whereas CMS alone had little antibacterial effectiveness or even stimulated biofilm development. The wound model proposed here proves therefore, to be an effective aid in the study of drug combinations under realistic conditions.
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Affiliation(s)
- Olena V. Moshynets
- Biofilm Study Group, Department of Cell Regulatory Mechanisms, Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, Zabolotnoho Str. 150, 03680 Kyiv, Ukraine
- Correspondence: (O.V.M.); (G.P.)
| | - Taras P. Baranovskyi
- CeMM, Research Center for Molecular Medicine of the Austrian Academy of Sciences, Lazarettgasse 14, A-1090 Vienna, Austria
| | - Olga S. Iungin
- Biofilm Study Group, Department of Cell Regulatory Mechanisms, Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, Zabolotnoho Str. 150, 03680 Kyiv, Ukraine
- Department of Biotechnology, Leather and Fur, Faculty of Chemical and Biopharmaceutical Technologies, Kyiv National University of Technologies and Design, Nemyrovycha-Danchenka Street 2, 01011 Kyiv, Ukraine
| | - Alexey A. Krikunov
- National Amosov Institute of Cardio-Vascular Surgery Affiliated to National Academy of Medical Sciences of Ukraine, Amosov Str. 6, 02000 Kyiv, Ukraine
| | | | - Kateryna L. Rudnieva
- Kyiv Regional Clinical Hospital, Baggovutovskaya Str. 1, 04107 Kyiv, Ukraine
- Department of Microbiology, Virology and Immunology, Bogomolets National Medical University, Shevchenka Blvd. 13, 01601 Kyiv, Ukraine
| | - Geert Potters
- Antwerp Maritime Academy, Noordkasteel Oost 6, 2030 Antwerp, Belgium
- Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium
- Correspondence: (O.V.M.); (G.P.)
| | - Ianina Pokholenko
- Department of Cell Regulatory Mechanisms, Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, 150 Zabolotnoho Str., 03680 Kyiv, Ukraine
- The Polymer Chemistry & Biomaterials Group, Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281, S4-Bis, 9000 Ghent, Belgium
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Moshynets OV, Pokholenko I, Iungin O, Potters G, Spiers AJ. eDNA, Amyloid Fibers and Membrane Vesicles Identified in Pseudomonas fluorescens SBW25 Biofilms. Int J Mol Sci 2022; 23:ijms232315096. [PMID: 36499433 PMCID: PMC9738004 DOI: 10.3390/ijms232315096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 11/25/2022] [Accepted: 11/26/2022] [Indexed: 12/03/2022] Open
Abstract
Pseudomonas fluorescens SBW25 is a model soil- and plant-associated bacterium capable of forming a variety of air-liquid interface biofilms in experimental microcosms and on plant surfaces. Previous investigations have shown that cellulose is the primary structural matrix component in the robust and well-attached Wrinkly Spreader biofilm, as well as in the fragile Viscous Mass biofilm. Here, we demonstrate that both biofilms include extracellular DNA (eDNA) which can be visualized using confocal laser scanning microscopy (CLSM), quantified by absorbance measurements, and degraded by DNase I treatment. This eDNA plays an important role in cell attachment and biofilm development. However, exogenous high-molecular-weight DNA appears to decrease the strength and attachment levels of mature Wrinkly Spreader biofilms, whereas low-molecular-weight DNA appears to have little effect. Further investigation with CLSM using an amyloid-specific fluorophore suggests that the Wrinkly Spreader biofilm might also include Fap fibers, which might be involved in attachment and contribute to biofilm strength. The robust nature of the Wrinkly Spreader biofilm also allowed us, using MALDI-TOF mass spectrometry, to identify matrix-associated proteins unable to diffuse out of the structure, as well as membrane vesicles which had a different protein profile compared to the matrix-associated proteins. CLSM and DNase I treatment suggest that some vesicles were also associated with eDNA. These findings add to our understanding of the matrix components in this model pseudomonad, and, as found in other biofilms, biofilm-specific products and material from lysed cells contribute to these structures through a range of complex interactions.
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Affiliation(s)
- Olena V. Moshynets
- Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, 03143 Kyiv, Ukraine
| | - Ianina Pokholenko
- Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, 03143 Kyiv, Ukraine
| | - Olga Iungin
- Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, 03143 Kyiv, Ukraine
- Department of Biotechnology, Leather and Fur, Kyiv National University of Technologies and Design, 01011 Kyiv, Ukraine
| | - Geert Potters
- Antwerp Maritime Academy, 2030 Antwerp, Belgium
- Department of Bioscience Engineering, University of Antwerp, 2000 Antwerp, Belgium
- Correspondence:
| | - Andrew J. Spiers
- School of Applied Sciences, Abertay University, Dundee DD1 1HG, UK
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Maistrenko L, Iungin O, Pikus P, Pokholenko I, Gorbatiuk O, Moshynets O, Okhmat O, Kolesnyk T, Potters G, Mokrousova O. Collagen Obtained from Leather Production Waste Provides Suitable Gels for Biomedical Applications. Polymers (Basel) 2022; 14:4749. [PMID: 36365743 PMCID: PMC9655781 DOI: 10.3390/polym14214749] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/01/2022] [Accepted: 11/02/2022] [Indexed: 12/04/2023] Open
Abstract
Collagen and its derivates are typically obtained by extracting them from fresh animal tissues. Lately, however, there has been an increased interest in obtaining collagen from other sources, such as waste material, because of the growing trend to replace synthetic materials with sustainable, natural counterparts in various industries, as well as to ensure a rational waste revalorization. In this paper, collagen was obtained from non-tanned waste of leather production, taken at different stages of the production process: limed pelt, delimed pelt, and fleshings. A stepwise extraction through acid hydrolysis in 0.5 M acetic acid and subsequent precipitation with NaCl lead to collagen-containing protein extracts. The highest collagen yield was achieved in extracts based on delimed pelt (2.3% m/m after a first extraction round, and an additional 1.4% m/m after the second round). Hyp/Hyl molar ratios of 10.91 in these extracts suggest the presence of type I collagen. Moreover, gels based on these collagen extracts promote adhesion and spreading of HEK293 cells, with cells grown on collagen from delimed pelt showing a larger nuclear and cell expansion than cells grown on traditional bovine tendon atelocollagen. This suggests that these collagen gels are promising natural biomedical carriers and could be used in a wide range of medical and cosmetic applications.
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Affiliation(s)
- Lesia Maistrenko
- Department of Biotechnology, Leather and Fur, Kyiv National University of Technologies and Design, 01011 Kyiv, Ukraine
| | - Olga Iungin
- Department of Biotechnology, Leather and Fur, Kyiv National University of Technologies and Design, 01011 Kyiv, Ukraine
| | - Polina Pikus
- Institute of Molecular Biology and Genetics of the National Academy of Sciences of Ukraine, 03143 Kyiv, Ukraine
| | - Ianina Pokholenko
- Institute of Molecular Biology and Genetics of the National Academy of Sciences of Ukraine, 03143 Kyiv, Ukraine
| | - Oksana Gorbatiuk
- Institute of Molecular Biology and Genetics of the National Academy of Sciences of Ukraine, 03143 Kyiv, Ukraine
| | - Olena Moshynets
- Institute of Molecular Biology and Genetics of the National Academy of Sciences of Ukraine, 03143 Kyiv, Ukraine
| | - Olena Okhmat
- Department of Biotechnology, Leather and Fur, Kyiv National University of Technologies and Design, 01011 Kyiv, Ukraine
| | - Tetiana Kolesnyk
- Department of Biotechnology, Leather and Fur, Kyiv National University of Technologies and Design, 01011 Kyiv, Ukraine
| | - Geert Potters
- Antwerp Maritime Academy, 2030 Antwerp, Belgium
- Department Bioscience Engineering, University of Antwerp, 2020 Antwerp, Belgium
| | - Olena Mokrousova
- Department of Biotechnology, Leather and Fur, Kyiv National University of Technologies and Design, 01011 Kyiv, Ukraine
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Skok M, Deryabina O, Lykhmus O, Kalashnyk O, Uspenska K, Shuvalova N, Pokholenko I, Lushnikova I, Smozhanyk K, Skibo G, Kordyum V. Mesenchymal stem cell application for treatment of neuroinflammation-induced cognitive impairment in mice. Regen Med 2022; 17:533-546. [PMID: 35638401 DOI: 10.2217/rme-2021-0168] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Background: The present research has been undertaken to study the therapeutic potential of mesenchymal stem cells (MSCs) for the treatment of neuroinflammation-induced cognitive disorders. Methods: Either umbilical cord or adipose MSCs were injected into mice treated with lipopolysaccharide. The mice were studied in behavioral tests, and their brains were examined by means of immunohistochemistry, electron microscopy and sandwich ELISA. Results: MSCs, introduced either intravenously or intraperitoneally, restored episodic memory of mice disturbed by inflammation, normalized nAChR and Aβ1-42 levels and stimulated proliferation of neural progenitor cells in the brain. The effect of MSCs was observed for months, whereas that of MSC-conditioned medium was transient and stimulated an immune reaction. SDF-1α potentiated the effects of MSCs on the brain and memory. Conclusion: MSCs of different origins provide a long-term therapeutic effect in the treatment of neuroinflammation-induced episodic memory impairment.
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Affiliation(s)
- Maryna Skok
- Palladin Institute of Biochemistry, National Academy of Sciences of Ukraine, Kyiv, 01054, Ukraine
| | - Olena Deryabina
- State Institute of Genetic and Regenerative Medicine, National Academy of Medical Sciences of Ukraine, Kyiv, 04114, Ukraine.,Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, Kyiv, 03143, Ukraine
| | - Olena Lykhmus
- Palladin Institute of Biochemistry, National Academy of Sciences of Ukraine, Kyiv, 01054, Ukraine
| | - Olena Kalashnyk
- Palladin Institute of Biochemistry, National Academy of Sciences of Ukraine, Kyiv, 01054, Ukraine
| | - Kateryna Uspenska
- Palladin Institute of Biochemistry, National Academy of Sciences of Ukraine, Kyiv, 01054, Ukraine
| | - Nadia Shuvalova
- State Institute of Genetic and Regenerative Medicine, National Academy of Medical Sciences of Ukraine, Kyiv, 04114, Ukraine
| | - Ianina Pokholenko
- State Institute of Genetic and Regenerative Medicine, National Academy of Medical Sciences of Ukraine, Kyiv, 04114, Ukraine.,Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, Kyiv, 03143, Ukraine
| | - Iryna Lushnikova
- Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kyiv, 01024, Ukraine
| | - Kateryna Smozhanyk
- Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kyiv, 01024, Ukraine
| | - Galyna Skibo
- Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kyiv, 01024, Ukraine
| | - Vitalii Kordyum
- State Institute of Genetic and Regenerative Medicine, National Academy of Medical Sciences of Ukraine, Kyiv, 04114, Ukraine.,Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, Kyiv, 03143, Ukraine
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Moshynets OV, Baranovskyi TP, Cameron S, Iungin OS, Pokholenko I, Jerdan R, Kamyshnyi A, Krikunov AA, Potochilova VV, Rudnieva KL, Spiers AJ. Azithromycin possesses biofilm–inhibitory activity and potentiates non-bactericidal colistin methanesulfonate (CMS) and polymyxin B against Klebsiella pneumonia. PLoS One 2022; 17:e0270983. [PMID: 35776759 PMCID: PMC9249213 DOI: 10.1371/journal.pone.0270983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 06/21/2022] [Indexed: 11/30/2022] Open
Abstract
Novel antibiotic combinations may act synergistically to inhibit the growth of multidrug-resistant bacterial pathogens but predicting which combination will be successful is difficult, and standard antimicrobial susceptibility testing may not identify important physiological differences between planktonic free-swimming and biofilm-protected surface-attached sessile cells. Using a nominally macrolide-resistant model Klebsiella pneumoniae strain (ATCC 10031) we demonstrate the effectiveness of several macrolides in inhibiting biofilm growth in multi-well plates, and the ability of azithromycin (AZM) to improve the effectiveness of the antibacterial last-agent-of-choice for K. pneumoniae infections, colistin methanesulfonate (CMS), against biofilms. This synergistic action was also seen in biofilm tests of several K. pneumoniae hospital isolates and could also be identified in polymyxin B disc-diffusion assays on azithromycin plates. Our work highlights the complexity of antimicrobial-resistance in bacterial pathogens and the need to test antibiotics with biofilm models where potential synergies might provide new therapeutic opportunities not seen in liquid culture or colony-based assays.
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Affiliation(s)
- Olena V. Moshynets
- Institute of Molecular Biology and Genetics of the National Academy of Sciences of Ukraine, Kyiv, Ukraine
- * E-mail: (OVM); (AJS)
| | - Taras P. Baranovskyi
- Shupyk National Healthcare University of Ukraine, Kyiv, Ukraine
- Kyiv Regional Clinical Hospital, Kyiv, Ukraine
| | - Scott Cameron
- School of Applied Sciences, Abertay University, Dundee, United Kingdom
| | - Olga S. Iungin
- Institute of Molecular Biology and Genetics of the National Academy of Sciences of Ukraine, Kyiv, Ukraine
- Kyiv National University of Technologies and Design, Kyiv, Ukraine
| | - Ianina Pokholenko
- Institute of Molecular Biology and Genetics of the National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Robyn Jerdan
- School of Applied Sciences, Abertay University, Dundee, United Kingdom
| | | | | | | | | | - Andrew J. Spiers
- School of Applied Sciences, Abertay University, Dundee, United Kingdom
- * E-mail: (OVM); (AJS)
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Moshynets OV, Baranovskyi TP, Iungin OS, Kysil NP, Metelytsia LO, Pokholenko I, Potochilova VV, Potters G, Rudnieva KL, Rymar SY, Semenyuta IV, Spiers AJ, Tarasyuk OP, Rogalsky SP. eDNA Inactivation and Biofilm Inhibition by the PolymericBiocide Polyhexamethylene Guanidine Hydrochloride (PHMG-Cl). Int J Mol Sci 2022; 23:ijms23020731. [PMID: 35054915 PMCID: PMC8775615 DOI: 10.3390/ijms23020731] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 01/03/2022] [Accepted: 01/03/2022] [Indexed: 01/05/2023] Open
Abstract
The choice of effective biocides used for routine hospital practice should consider the role of disinfectants in the maintenance and development of local resistome and how they might affect antibiotic resistance gene transfer within the hospital microbial population. Currently, there is little understanding of how different biocides contribute to eDNA release that may contribute to gene transfer and subsequent environmental retention. Here, we investigated how different biocides affect the release of eDNA from mature biofilms of two opportunistic model strains Pseudomonas aeruginosa ATCC 27853 (PA) and Staphylococcus aureus ATCC 25923 (SA) and contribute to the hospital resistome in the form of surface and water contaminants and dust particles. The effect of four groups of biocides, alcohols, hydrogen peroxide, quaternary ammonium compounds, and the polymeric biocide polyhexamethylene guanidine hydrochloride (PHMG-Cl), was evaluated using PA and SA biofilms. Most biocides, except for PHMG-Cl and 70% ethanol, caused substantial eDNA release, and PHMG-Cl was found to block biofilm development when used at concentrations of 0.5% and 0.1%. This might be associated with the formation of DNA–PHMG-Cl complexes as PHMG-Cl is predicted to bind to AT base pairs by molecular docking assays. PHMG-Cl was found to bind high-molecular DNA and plasmid DNA and continued to inactivate DNA on surfaces even after 4 weeks. PHMG-Cl also effectively inactivated biofilm-associated antibiotic resistance gene eDNA released by a pan-drug-resistant Klebsiella strain, which demonstrates the potential of a polymeric biocide as a new surface-active agent to combat the spread of antibiotic resistance in hospital settings.
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Affiliation(s)
- Olena V. Moshynets
- Biofilm Study Group, Department of Cell Regulatory Mechanisms, Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, 150 Zabolotnoho Str., 03680 Kiev, Ukraine; (O.S.I.); (I.P.); (S.Y.R.)
- Correspondence: (O.V.M.); (S.P.R.)
| | - Taras P. Baranovskyi
- Department of Dermatovenerology, Allergology, Clinical and Laboratory Immunology, Shupyk National Healthcare University of Ukraine, 9 Dorohozhytska Str., 03680 Kiev, Ukraine;
- Kyiv Regional Clinical Hospital, 1 Baggovutivska Street, 04107 Kiev, Ukraine; (V.V.P.); (K.L.R.)
| | - Olga S. Iungin
- Biofilm Study Group, Department of Cell Regulatory Mechanisms, Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, 150 Zabolotnoho Str., 03680 Kiev, Ukraine; (O.S.I.); (I.P.); (S.Y.R.)
- Department of Biotechnology, Leather and Fur, Faculty of Chemical and Biopharmaceutical Technologies, Kyiv National University of Technologies and Design, Nemyrovycha-Danchenka Street, 2, 01011 Kiev, Ukraine
| | - Nadiia P. Kysil
- National Children’s Specialized Hospital “Okhmatdyt”, 28/1 Chornovola Str., 01135 Kiev, Ukraine;
| | - Larysa O. Metelytsia
- V. P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, National Academy of Science of Ukraine, 50 Kharkivske Schose, 01135 Kiev, Ukraine; (L.O.M.); (I.V.S.); (O.P.T.)
| | - Ianina Pokholenko
- Biofilm Study Group, Department of Cell Regulatory Mechanisms, Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, 150 Zabolotnoho Str., 03680 Kiev, Ukraine; (O.S.I.); (I.P.); (S.Y.R.)
| | - Viktoria V. Potochilova
- Kyiv Regional Clinical Hospital, 1 Baggovutivska Street, 04107 Kiev, Ukraine; (V.V.P.); (K.L.R.)
| | - Geert Potters
- Antwerp Maritime Academy, Noordkasteel Oost 6, 2030 Antwerp, Belgium;
- Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium
| | - Kateryna L. Rudnieva
- Kyiv Regional Clinical Hospital, 1 Baggovutivska Street, 04107 Kiev, Ukraine; (V.V.P.); (K.L.R.)
| | - Svitlana Y. Rymar
- Biofilm Study Group, Department of Cell Regulatory Mechanisms, Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, 150 Zabolotnoho Str., 03680 Kiev, Ukraine; (O.S.I.); (I.P.); (S.Y.R.)
| | - Ivan V. Semenyuta
- V. P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, National Academy of Science of Ukraine, 50 Kharkivske Schose, 01135 Kiev, Ukraine; (L.O.M.); (I.V.S.); (O.P.T.)
| | - Andrew J. Spiers
- School of Applied Sciences, Abertay University, Bell Street, Dundee DD1 1HG, UK;
| | - Oksana P. Tarasyuk
- V. P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, National Academy of Science of Ukraine, 50 Kharkivske Schose, 01135 Kiev, Ukraine; (L.O.M.); (I.V.S.); (O.P.T.)
| | - Sergiy P. Rogalsky
- V. P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, National Academy of Science of Ukraine, 50 Kharkivske Schose, 01135 Kiev, Ukraine; (L.O.M.); (I.V.S.); (O.P.T.)
- Correspondence: (O.V.M.); (S.P.R.)
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