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Boldin BV, Turkin PY, Oettinger AP, Bogachev VY, Somov NO, Kuzmin SG, Loschenov VB, Mikhaleva LM, Midiber KY. Efficacy of photodynamic therapy in the treatment of venous trophic ulcers: results from the experiment. AMBULATORNAYA KHIRURGIYA = AMBULATORY SURGERY (RUSSIA) 2022. [DOI: 10.21518/1995-1477-2022-19-2-82-94] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Introduction. Today, antimicrobial photodynamic therapy (a-PDT) becomes more and more popular, because of it pronounced bactericidal activity, anti-inflammatory effect. At the same time, no animal model studies have been conducted on morphological changes in cells after exposure to PDT on venous ulcers (VU) when using different types of photosensitizers (PS). The problem of comparing morphological changes in tissues when using a-PDT vs conventional PDT have not yet been resolved.Aim. Evaluation of the effectiveness of PDT and APDT in a comprehensive examination of trophic ulcers in an in vivo experiment and compare them with standard methods for the treatment of VLU.Materials and мethods. A series of experiments was conducted on 21 rabbits, separated into 3 equal groups of 7 rabbits each. Venous trophic ulcer was originally modeled for all rabbits. To obtain a VU, we performed an additional ligation of v. femoralis. The control group received standard therapy for VU. The PDT group had PDT with Photosens. The a-PDT group underwent a-PDT using Cholosens. Every 3 days, picture of local inflammation, regeneration rate and ulcer volume were determined. A morphological study of VLU was carried out on the first, 9th and 15th days.Results. The a-PDT group, day 15: 100% wound epithelization. Control group, day 21st: The volume of wounds decreased on average by 50%. The PDT group: 100% wound epithelization. The morphological study indicated a positive trend in the a-PDT group compared with PDT and control groups, which resulted in a decrease in the total mass of necrotic detritus, a change in the quantitative and qualitative composition of inflammatory infiltrate.Conclusion. The data obtained indicate that the use of a-PDT is recommended in treatment of VLU. Both PDT and a-PDT methods showed better results in comparison with standard therapy.
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Affiliation(s)
- B. V. Boldin
- Pirogov Russian National Research Medical University
| | - P. Yu. Turkin
- Pirogov Russian National Research Medical University
| | | | | | - N. O. Somov
- Pirogov Russian National Research Medical University
| | - S. G. Kuzmin
- International Research and Clinical Center ‘Intermedbiophiskhim’; Research Institute of Organic Intermediates and Dyes
| | - V. B. Loschenov
- Prokhorov General Physics Institute of the Russian Academy of Sciences
| | - L. M. Mikhaleva
- Avtsyn Research Institute of Human Morphology of Petrovsky National Research Centre of Surgery
| | - K. Yu. Midiber
- Avtsyn Research Institute of Human Morphology of Petrovsky National Research Centre of Surgery; City Clinical Hospital No. 31; Peoples’ Friendship University of Russia
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Wang L, Gao H, Song S, Zhou W, Xue N, Nie Y, Feng B. The depressing role of sodium alginate in the flotation of Ca2+-activated quartz using fatty acid collector. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.117618] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Ağırtaş MS. Fluorescence properties in different solvents and synthesis of axially substituted silicon phthalocyanine bearing bis-4-tritylphenoxy units. HETEROCYCL COMMUN 2020. [DOI: 10.1515/hc-2020-0113] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
AbstractIn this present study, a new axially bis-4-tritylphenoxy substituted silicon phthalocyanine compound was synthesized and characterized using infrared, mass, electronic absorption and nuclear magnetic resonance spectroscopy. Fluorescence and absorption spectra studies of the disubstituted silicon phthalocyanine complex were conducted on the chloroform, dimethyl formamide, dimethyl sulfoxide and tetrahydrofuran solutions. The findings of the fluorescence studies demonstrated that the compound has fluorescence spectra in the different solvents. The effects of the substitution with axially bis-4-tritylphenoxy functionalized groups on these parameters were also compared with the previously synthesized axially disubstituted silicon phthalocyanines. These results proved that the compound has different fluorescence properties in the different solvents.
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Affiliation(s)
- Mehmet Salih Ağırtaş
- Department of Chemistry, Faculty of Science, Van Yuzuncu Yıl University, 65080, Van, Turkey
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Effect of hyaluronic acid on the State and photoactivity of Zn(II) phthalocyanine cationic derivative in mixed aqueous solutions. J Photochem Photobiol A Chem 2019. [DOI: 10.1016/j.jphotochem.2019.111927] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Nnaji N, Nwaji N, Fomo G, Mack J, Nyokong T. Inhibition of Aluminium Corrosion Using Benzothiazole and Its Phthalocyanine Derivative. Electrocatalysis (N Y) 2019. [DOI: 10.1007/s12678-019-00538-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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