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Готові списки джерел за темами / Low-intensity laser radiation / Статті в журналах

Щоб переглянути інші типи публікацій з цієї теми, перейдіть за посиланням: Low-intensity laser radiation.

Статті в журналах з теми "Low-intensity laser radiation"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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1

Xusanovich, Chaqqonov Faxriddin. "TREATMENT OF PERIODONTAL DISEASES USING LOW-INTENSITY MAGNETIC LASER RADIATION." European International Journal of Multidisciplinary Research and Management Studies 4, no. 4 (2024): 99–107. http://dx.doi.org/10.55640/eijmrms-04-04-15.

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The major dental diseases, dental caries and chronic inflammatory periodontal disease, belong to infectious diseases in their pathogenesis, and their development and progression are due to a disruption of the host-microbe system balance. There is much evidence that when the normal composition of the oral microbiota is compromised and the content of conditioned or conditionally pathogenic microorganisms increases quantitatively or qualitatively, the severity of dental pathological processes increases, the effectiveness of dental treatment decreases, and the predisposition to disease relapse inc

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2

Poddubnaya, O. A. "Low-Intensity Laser Therapy in Clinical Practice (Part 1)." Bulletin of Restorative Medicine 100, no. 6 (2020): 92–99. http://dx.doi.org/10.38025/2078-1962-2020-100-6-92-99.

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Low-intensity laser radiation is widely used in experimental and clinical medicine. The effectiveness of laser therapy is determined by the level of professionalism of specialists. That is why knowledge of the theoretical foundations of laser therapy is mandatory for practicing physiotherapists. The distinctive features of laser radiation (monochromaticity, coherence, polarization, etc.) justify the need for strict compliance with the rules and safety regulations during laser therapy procedures. It is important to study the main physical parameters of low-intensity laser radiation, such as: wa

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3

Ivashchenko, Marina, Andrey Belov, Anna Deryugina, Vladimir Petrov, Tatyana Solovyova, and Andrew Martusevich. "CHARACTERISTICS OF THE INTERACTION BETWEEN LOW-INTENSITY LASER RADIATION AND ERYTHROCYTES." Archiv Euromedica, no. 6 (December 12, 2021): 29–31. http://dx.doi.org/10.35630/2199-885x/2021/11/6.6.

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The results of the effect of low-intensity laser radiation on lipid peroxidation and the sorption capacity of erythrocyte membranes under stress are presented. The membrane-stabilizing effect of low-intensity laser radiation and a decrease in the rate of free radical processes are noted, which indicates the prospects of using laser radiation as an activator of the body's natural antioxidant systems. An increase in the sorption capacity of erythrocyte membranes proves the advisability of using low-intensity laser radiation to increase the adaptive capacity and to protect the body from stress.

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4

Godovalov, A. P., M. V. Yakovlev, K. A. Batog, M. V. Remennikova, L. P. Bykova, and D. M. Pastukhov. "Features of effect of low-intensity laser irradiation on prokaryotic and eukaryotic cells." Perm Medical Journal 37, no. 2 (2020): 48–53. http://dx.doi.org/10.17816/pmj37248-53.

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Objective. To study the possibility of using LED blue, red, and green radiations of a new apparatus to eliminate prokaryotic cells and maintain human cell viability. Currently, laser technologies are widely used in medical practice. However, there are relatively few studies on the effect of laser radiation with similar parameters on the viability of prokaryotic and eukaryotic cells. Materials and methods. As a radiation generator, the LFDT-02 diode medical laser of a new type from the Perm Scientific and Production Instrument-Making Company was used. Staphylococcus aureus 66G cultures we

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5

Malkova, N. Yu, S. V. Grebenkov, and O. A. Kochetova. "The use of low-intensity laser radiation in the treatment of occupational diseases of the peripheral nervous system." Russian Journal of Occupational Health and Industrial Ecology, no. 8 (September 25, 2019): 479–83. http://dx.doi.org/10.31089/1026-9428-2019-59-8-479-483.

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Introduction. Laser radiation, discovered in the mid-twentieth century, is actively used in modern medicine. Along with the effects of high-energy lasers, researchers are attracting more and more attention to the methods of low-intensity laser therapy in the treatment of various diseases of the peripheral nervous system. At the same time, there are very few works in which the effectiveness of low-intensity laser radiation action in occupational diseases of the nervous system would be assessed.The aim of study was searching for information on the modern understanding of the mechanisms of action

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6

Chelyshev, Yu A., and K. I. Sitekulov. "Neural tissue reactions to low-intensity laser radiation." Kazan medical journal 79, no. 3 (1998): 204–10. http://dx.doi.org/10.17816/kazmj64056.

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Over the past 25 years, laser radiation has found wide application in various fields of medicine, including neurology, mainly as a means of pain relief [17]. A high degree of specificity of the photobiological action is determined by its unique properties: monochromaticity, selective focus and coherence.

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7

Kozel', A. I., L. I. Solov'eva, and G. K. Popov. "Effect of low-intensity laser radiation on cells." Bulletin of Experimental Biology and Medicine 128, no. 4 (1999): 999–1001. http://dx.doi.org/10.1007/bf02433188.

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8

Kulikova, Natalya Gennadievna, Z. G. Zhilokov, and A. S. Tkachenko. "Laser therapy in patients operated for orthognathic pathology." Fizioterapevt (Physiotherapist), no. 2 (February 1, 2021): 32–37. http://dx.doi.org/10.33920/med-14-2104-04.

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Анотація:

The study is carried out with an emphasis on modern aspects of the diagnosis and treatment of patients with orthognathic disorders in the dynamics of laser therapy of different wavelengths, frequency and intensity parameters, dosed in pulse mode. It has been noted that the consistent use of laser low-intensity pulse radiation (ƛ=635nm) and laser low-intensity pulse radiation (l’904nm) increases the effectiveness of rehabilitation of dental patients in the early postoperative period, which is confirmed by the regression of initial shifts of microhemoregulatory indicators. The article demonstrat

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9

Kostromina, Elena Yu, Petr S. Eremin, Irina S. Kudryashova, Pavel A. Markov, Ilmira R. Gilmutdinova, and Tatyana V. Konchugova. "Mechanisms of Modulating Action of Low-Intensity Laser Radiation on the Proliferative Activity of Cells in the Stromal and Vascular Fraction of Adipose Tissue." Bulletin of Rehabilitation Medicine 21, no. 3 (2022): 202–11. http://dx.doi.org/10.38025/2078-1962-2022-21-3-202-211.

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The efficacy of low-intensity laser radiation therapy using autologous cellular products based on adipose tissue, including stromalvascular fraction, has been shown to be effective in different forms of pathology and in reconstructive and plastic surgery. The review deals with the issues related to the methodological aspects of the stromal and vascular fraction isolation from the human adipose tissue as well as with the peculiarities of its application in experimental studies on animal models and in clinical practice. The mechanisms of low-intensity laser radiation effect on the cells of strom

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10

Moskvin, S. V. "15 Therapeutic action mechanisms of low intensity laser radiation." Photodiagnosis and Photodynamic Therapy 9 (August 2012): S5—S6. http://dx.doi.org/10.1016/s1572-1000(12)70016-9.

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11

Spasov, A. A., V. V. Nedogoda, and Kuame Konan. "Mechanism of hypocoagulative effect of low-intensity laser radiation." Bulletin of Experimental Biology and Medicine 126, no. 1 (1998): 672–74. http://dx.doi.org/10.1007/bf02446056.

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12

Klebanov, G. I., Yu O. Teselkin, I. V. Babenkova, et al. "Effect of low-intensity laser radiation on leukocyte function." Bulletin of Experimental Biology and Medicine 123, no. 4 (1997): 341–43. http://dx.doi.org/10.1007/bf02766181.

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13

Kamada, M., S. Hirose, S. Asaka, et al. "Combined system of synchrotron radiation and laser for solid-state research." Journal of Synchrotron Radiation 5, no. 3 (1998): 1035–37. http://dx.doi.org/10.1107/s0909049597016063.

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Two combined systems of synchrotron radiation and laser have been constructed for solid-state research. One is a laser-induced fluorescence system to observe synchrotron radiation-induced desorption of alkali atoms from ionic crystals, which consists of a laser diode with a high repetition rate and synchrotron radiation under a single-bunch operation. The other is a system of two-photon spectroscopy, which is based on the combination of synchrotron radiation pulses with a low intensity and high repetition rate and Nd:YAG laser pulses with a high intensity and low repetition rate. The experimen

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14

Nechaikin, A. "Influence of low-intensity laser radiation on the hemodynamics uterine at prolapse pelvic organs." Bulletin of Science and Practice, no. 12 (December 12, 2017): 165–70. https://doi.org/10.5281/zenodo.1112383.

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The effect of low-intensity laser radiation on the hemodynamics of the uterus in 76 patients with prolapse of pelvic organs was studied. Before the operation and after performing plastic operations with vaginal access, traditional sanction of the vagina received 36 patients, laser therapy — 40 patients. A laser beam with a wavelength of 632.8 nm irradiated the anterior and posterior walls of the vagina, the cervix, then they achieved local improvement in blood circulation. Evaluation of the blood flow in the uterus was performed by vaginal rheography. The inclusion of low-intensity laser

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15

Shakhrai, S. V., Y. M. Gain, M. Y. Gain, and S. N. Ryabtseva. "Experimental ground for high-intensity laser wavelength choice for chronic hemorrhoids low-invasive surgical treatment." Kazan medical journal 94, no. 2 (2013): 271–77. http://dx.doi.org/10.17816/kmj1604.

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Aim. To assess the morphological changes of rectal wall after the exposure to 970 and 1560 nm wavelength laser radiation and to choose the optimal wavelength for laser cauterization of hemorrhoids. Methods. Experiments to assess the effect of the exposure to 970 and 1560 nm wavelength laser radiation on rectal tissues were performed. Laser cauterization was modeled on white rats (two groups 18 animals each). «Mediola-Compact» semiconductor laser (manufactured by «Fotek» ldt, Belarus) was used. Animals of the first group were exposed to laser radiation with wavelength of 970 nm, 1560 nm wavelen

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16

Volkovskaya, A. N., M. V. Zhaburina, and E. V. Borzov. "Efficacy of low-intensity laser therapy in rhinosurgery patients." Glavvrač (Chief Medical Officer), no. 11 (November 20, 2022): 47–50. http://dx.doi.org/10.33920/med-03-2211-06.

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The efficiency indicators of low-intensity laser therapy in patients with a combination of deviated septum and vasomotor rhinitis in the postoperative period were studied. The analysis was carried out in the groups with favorable and unfavorable courses. The features of the use of low-intensity laser radiation for faster restoration of nasal functions and improvement of the postoperative course were established.

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17

Golubtsov, A. V., A. G. Shakhov, and Y. N. Alekhin. "BIOCHEMICAL STATUS AND NATURAL RESISTANCE OF HYPOTROPHIC CALVES UNDER THE INFLUENCE OF LOW-INTENSITY LASER RADIATION AND THE POSSIBILITY OF ITS USE FOR THEIR REHABILITATION." Problems of Veterinary Sanitation, Hygiene and Ecology 1, no. 3 (2018): 70–76. http://dx.doi.org/10.36871/vet.san.hyg.ecol.201803013.

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The effect of low-intensity laser radiation on the biochemical, immune and clinical status of calf-malnutrition was studied. The studies were carried out in 2 groups (experimental and control) for 12 animals with symmetric hypotrophy 2 (medium) severity. The calves of the experimental group underwent irradiation of blood with low-intensity laser radiation in the red spectral range (wavelength 630 nm). The animals of the control group were not treated (intact). Clinical observations of the calves were conducted for 2 months, taking into account the incidence, duration and severity of the diseas

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18

Gomes Cardoso Gastaldi, Gabriela, Juliana Paula de Oliveira, Jorge Vicente Lopes da Silva, Rodrigo Alvarenga Rezende, and André Capaldo Amaral. "PHOTOBIOMODULATORY EFFECT OF LOW-INTENSITY LASER RADIATION ON MULTICELLULAR SPHEROIDS." Revista Brasileira Multidisciplinar 24, no. 2 (2021): 156–67. http://dx.doi.org/10.25061/2527-2675/rebram/2021.v24i2.1136.

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Photobiomodulatory effects of low-intensity laser radiation (LILR) in cells cultured in standard, two-dimensional conditions are well established. Conversely, the characteristics of this effect in three-dimensional (3D) cultures, which are currently recommended due to the greater similarity with cellular behavior in vivo, have not yet been widely investigated. The objective of this work was to analyze the biomodulator effect of LILR, on the wavelength (λ) of 685 nm, on the constitution process and on the viability of cells cultured as multicellular spheroid (MSs). For this, agarose molds conta

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19

Bondarenko, O. G., and G. K. Popov. "Effect of low-intensity laser radiation on peripheral blood eosinophils." Bulletin of Experimental Biology and Medicine 138, no. 5 (2004): 510–12. http://dx.doi.org/10.1007/s10517-005-0083-y.

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20

Bekeshko, A. A., G. N. Zmievskoi, I. B. Kardashova, N. D. Minochkina, and N. V. Rubinskii. "Use of low-intensity laser radiation to improve endoscopic diagnosis." Biomedical Engineering 22, no. 5 (1988): 142–47. http://dx.doi.org/10.1007/bf00557821.

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21

Geweely, Neveen S., Salama A. Ouf, Mohamed A. Eldesoky, and Amera A. Eladly. "Stimulation of alkalothermophilic Aspergillus terreusxylanase by low-intensity laser radiation." Archives of Microbiology 186, no. 1 (2006): 1–9. http://dx.doi.org/10.1007/s00203-006-0110-z.

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22

Spasov, A. A., V. V. Nedogoda, O. V. Ostrovskii, and Kuame Konan. "Membranotropic effect of low-intensity laser radiation of the blood." Bulletin of Experimental Biology and Medicine 126, no. 4 (1998): 1010–13. http://dx.doi.org/10.1007/bf02447306.

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23

Shemetova, M. "Efficiency of a low-intensity laser in the treatment of genital herpes infections." Terapevt (General Physician), no. 5 (May 1, 2020): 35–40. http://dx.doi.org/10.33920/med-12-2005-05.

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90 women at the age of 30,9±0,4 years with clinical laboratory signs of herpetic defeat of urogenital system took part in research lasting 12 months. Therapy included a preparation Valaciclovir on 500 mg, complex therapy was carried out with use of intra vascular laser radiation of blood (wavelength of 365 nm, power of the radiation of 2 mW, an influence exposition the laser of 8 min, the number of sessions 15) along with application of a preparation Valaciclovir. Results of the study indicate a positive clinical dynamics and immunomodulatory action of intravascular laser irradiation of blood

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24

Latfullin, I. A. "Low-intensity (helium-neon) laser therapy in an emergency cardiology clinic." Kazan medical journal 74, no. 1 (1993): 4–7. http://dx.doi.org/10.17816/kazmj64588.

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Cardiologists pay great attention to the treatment of coronary heart disease (IHD), as well as prevention, improving the already known and developing new methods. Of the latter, laser therapy is of particular interest, in particular, the use of low-intensity laser radiation is promising, which is quickly gaining a place among the known non-drug methods of treatment in therapeutic practice.

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25

Mashxura, Murodjon qizi Tohirova, and Abdulfayzovich Ermatov Shukrulla. "INTERACTION OF LASER RADIATION WITH ATOMS." EURASIAN JOURNAL OF MEDICAL AND NATURAL SCIENCES 2, no. 2 (2022): 60–66. https://doi.org/10.5281/zenodo.6243090.

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The article presents multiphoton (nonlinear) processes in liquids and modern views on single-photon processes as a result of the implementation of the limiting case when the interaction occurs at low light intensity

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26

Ivashchenko, Marina N., Anna V. Deryugina, Tatyana I. Solovyeva, Maria N. Talamanova, Andrey A. Belov, and Vladimir A. Petrov. "THE EFFECT OF LOW-INTENSITY LASER RADIATION ON THE BIOCHEMICAL STATUS AND MILK PRODUCTIVITY OF COWS AGAINST THE BACKGROUND OF TECHNOLOGICAL STRESS." Siberian Journal of Life Sciences and Agriculture 13, no. 4 (2021): 193–208. http://dx.doi.org/10.12731/2658-6649-2021-13-4-193-208.

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Technological stress arising under the influence of factors related to the methods of keeping cattle and elements of technology has an adverse effect on the health of animals and their productivity. The development of methods that increase the natural resistance of animals and have an adaptogenic effect under stress is an urgent problem of animal husbandry and veterinary medicine. The aim of the work was to study the effect of low-intensity laser radiation on the biochemical parameters of blood and milk productivity of cattle in an industrial complex. Material and methods. Experimental studies

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27

Vasilevsky, Pavel N., Mikhail S. Savelyev, Sergey A. Tereshchenko, Sergey V. Selishchev, and Alexander Yu Gerasimenko. "Nonlinear optical properties of single-walled carbon nanotubes/water dispersed media exposed to laser radiation with nano- and femtosecond pulse durations." Kondensirovannye sredy i mezhfaznye granitsy = Condensed Matter and Interphases 23, no. 4 (2021): 496–506. http://dx.doi.org/10.17308/kcmf.2021.23/3668.

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The constant increase in the power of laser systems and the growth of potential fields for the application of lasers make the problem of protecting sensitive elements of electro-optical systems and visual organs from high-intensity radiation an urgent issue. Modern systems are capable of generating laser radiation in a wide range of wavelengths, durations, and pulse repetition rates. High-quality protection requires the use of a universal limiter capable of attenuating laser radiation, not causing colour distortion, and having a high transmission value when exposed to low-power radiation. For

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28

A. Rozhin, Anton, Dmitry V. Ledovskikh, and Natalia N. Rubtsova. "Coherent Transients in a Gas 13CH3F Generated by Step Switch of Electric Field." Siberian Journal of Physics 6, no. 3 (2011): 5–10. http://dx.doi.org/10.54362/1818-7919-2011-6-3-5-10.

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Transient signals of optical nutations and free polarization decay arising in a gas 13CH3F (rotational transition R(4,3) of vibration mode 0–1 ν3 ) at the step-wise switch of electric field in the presence of resonant radiation of CO2 laser are investigated. In the limit of low intensity of radiation the peaks of free polarization decay are observed; the frequency of their appearance is proportional to the electric field strength. The number of observable peaks of free polarization decay decreases at laser intensity growth, and free polarization decay signal becomes indistinguishable at a back

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29

Abbasaliev, B. B. "IMPROVING THE EFFICIENCY OF TREATMENT OF TROPHIC ULCERS IN THE LOWER EXTREMITIES RESULTED FROM CHRONIC VENOUS INSUFFICIENCY." Актуальні проблеми сучасної медицини: Вісник Української медичної стоматологічної академії 22, no. 2 (2022): 3–7. http://dx.doi.org/10.31718/2077-1096.22.2.3.

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The prevalence of varicose veins of the lower extremities and trophic ulcers, and as a consequence, deterioration of the quality of life, high rate of disability pose this problem as one of the social and healthcare challenges. The aim of the study is to evaluate the effectiveness of the low-intensity laser radiation in the integrated treatment of trophic ulcers of the lower extremities. Clinical and histomorphological studies were performed on 75 patients, 21 men and 54 women, aged from 15 to 75 years, who took the course of treatment for small and medium stage II ulcers on the lower extremit

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30

Nechaikin, A. "Optimization of preoperative preparation of patients with genital prolapse." Bulletin of Science and Practice, no. 12 (December 12, 2017): 160–64. https://doi.org/10.5281/zenodo.1112379.

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A comparative analysis of the results of treatment of prolapse of the genitals of 92 patients was carried out. Patients are operated by vaginal access. Taking into account the age, the main and accompanying gynaecological and extragenital pathology, an individual program of preoperative preparation, surgical treatment and postoperative care was prepared for each patient. As a preoperative preparation, 47 patients received standard vaginal sanitation with antiseptic solutions once a day, and 45 patients with laser therapy. Laser radiation with a wavelength of 632.8 nm irradiated the anterior an

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31

Afanasyev, M., S. Shlykov, R. Omarov, A. A. Mosolov, Yu V. Starodubova, and A. O. Reshetnikova. "Low-intensity laser radiation effect on young sheep growth and development." IOP Conference Series: Earth and Environmental Science 848, no. 1 (2021): 012078. http://dx.doi.org/10.1088/1755-1315/848/1/012078.

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32

Afanasyev, M., S. Shlykov, R. Omarov, et al. "Low-intensity laser radiation effect on protein metabolism in young sheep." IOP Conference Series: Earth and Environmental Science 839, no. 3 (2021): 032011. http://dx.doi.org/10.1088/1755-1315/839/3/032011.

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Abstract The demand for sheep products these days becomes higher, as evidenced by the tendency to increase small ruminants in the world and Russia. It leads to manufacturers’ desire to get products as quickly as possible, without worrying about their quality. Various medications are used, which later, when eating animal meat, can have a detrimental effect on the human body. These studies aimed to study the effect of low-intensity laser radiation on the sheep’s organism and obtain ecologically clean and high-quality mutton. For this, during the experiments, the blood of animals was studied. An

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33

Spasov, A. A., V. V. Nedogoda, and Kuame Konan. "Mechanisms of platelet function alterations induced by low-intensity laser radiation." Bulletin of Experimental Biology and Medicine 126, no. 1 (1998): 681–83. http://dx.doi.org/10.1007/bf02446059.

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34

Zalesskaya, G. A., and E. G. Sambor. "Interaction of Low-Intensity Laser Radiation with Blood and Its Components." Journal of Applied Spectroscopy 72, no. 2 (2005): 242–48. http://dx.doi.org/10.1007/s10812-005-0062-0.

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35

Polianskyi, Igor, and Ivan Melnyk. "USE OF LOW-INTENSITY LASER RADIATION IN THE COMPLEX TREATMENT OF WOUNDS." Clinical anatomy and operative surgery 22, no. 4 (2023): 74–79. http://dx.doi.org/10.24061/1727-0847.22.4.2023.49.

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Abstract. Increasing the eﬀ ectiveness of treatment of infected wounds is an extremely urgent problem, which, despite signiﬁ cant achievements, is far from a ﬁ nal solution. The development of new methods of local impact on wounds, especially laser irradiation and evaluation of its eﬀ ectiveness, are promising.The aim of the study. To evaluate the eﬀ ectiveness of using low-intensity laser irradiation in the complex treatment of wounds.The object of the study was 10 patients with wounds of the lower extremities. Among the examined were 6 men and 4 women aged from 48 to 83 years. 6 patients had

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36

Khalimov, Yu Sh, A. N. Vlasenko, G. A. Tsepkova, and A. E. Sosukin. "Occupational diseases caused by exposure to laser radiation." Bulletin of the Russian Military Medical Academy 21, no. 2 (2019): 209–14. http://dx.doi.org/10.17816/brmma25946.

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Sources of laser radiation are firmly entrenched in all spheres of human activity: different branches industry, biology, gene engineering, medicine, agriculture. In cases of gross safety violations, laser radiation can be dangerous for people working with it. Biological action of laser radiation is not completely found out. By the nature of human exposure to laser radiation, it is divided into direct, diffuse, specularly reflected and diffusely reflected. It can cause both primary effects, which include organic changes that occur in irradiated tissues, and secondary effects, which are nonspeci

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Makarov, I. O., D. A. Klyuev, V. F. Smirnov, et al. "Changes in the activity of micromycete endocellular oxidoreductases under the influence of low-frequency pulsed magnetic field and low-intensity laser radiation." Биофизика 68, no. 3 (2023): 482–88. http://dx.doi.org/10.31857/s0006302923030080.

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This study aims to investigate the effects of low-frequency pulsed magnetic field (1.5 Hz) and low-intensity laser radiation (0.3 and 0.7 W) on the activity of micromycete endocellular oxidoreductases that catalyze biodegradation of industrial materials such as Penicillium cyclopium, Aspergillus niger, and Alternaria alternata. The investigated physical factors had dose-dependent effects on the activity of fungal endocellular oxidoreductases (catalase and peroxidase): increases and decreases in the activities of enzymes have been observed. An increase in the activity of enzymes can contribute

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38

Kubanova, A. A., and N. P. Mikhailova. "Skin rejuvenation with the use of fractional photothermolysis(MultiPlex technology) in a combination with the CAP system." Vestnik dermatologii i venerologii 86, no. 5 (2010): 150–60. http://dx.doi.org/10.25208/vdv998.

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A new method of skin rejuvenation with the use of fractional laser photothermolysis (MultiPlex technology) in a combination with the CAP system is based on the sequential skin exposure to low-intensity radiation with different wavelengths (1,440 nm and 1,320 nm). This method produces much more evident esthetic results than radiation of greater intensity but with one wavelength only.

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39

Sergeev, N. A., A. N. Sergeev, A. M. Morozov, and M. A. Belyak. "Features of laser therapy of venous trophic ulcers of the lower extremities in outpatient surgery." Ambulatornaya khirurgiya = Ambulatory Surgery (Russia) 19, no. 2 (2022): 36–42. http://dx.doi.org/10.21518/1995-1477-2022-19-2-36-42.

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Introduction. Trophic ulcers of venous etiology are a severe complication of chronic venous insufficiency of the lower extremities. At the same time, in most cases, ulcerative defects do not heal for a long time and are prone to recurrence, which leads to a significant deterioration in the quality of life of patients.Aim. To clarify the features of the effect of low-intensity laser radiation to determine the optimal conditions for conservative treatment of venous ulcerative defects.Materials and methods. A randomized prospective clinical trial was performed in which 126 patients with chronic v

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40

Longtin, J. P., and C. L. Tien. "Saturable Absorption During High-Intensity Laser Heating of Liquids." Journal of Heat Transfer 118, no. 4 (1996): 924–30. http://dx.doi.org/10.1115/1.2822590.

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The interaction of high-intensity, short-pulse laser radiation with liquids is fundamental to many contemporary technologies. At low laser intensities, the classical model of absorption and heating applies, which assumes a constant absorption coefficient and no dependence on intensity. As the intensity increases, however, many molecules are promoted to excited states, whose absorption properties differ from those of the ground state, and the absorption of the bulk liquid is altered. This phenomenon, called saturable absorption, results in intensity-dependent absorption, heating, and temperatur

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41

Rostami Nejad, Mohammad, Fatemeh Bandarian, Farideh Razi, et al. "Evaluation of Laser Intensity Effect on Photodynamic Therapy Efficacy." Journal of Lasers in Medical Sciences 15 (August 4, 2024): e33. http://dx.doi.org/10.34172/jlms.2024.33.

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Introduction: Intensity is one of the important parameters of laser radiation in photodynamic therapy. Effective treatment requires the selection of a suitable power of laser. This study aimed to evaluate laser effectiveness in photodynamic therapy via high and low intensity by the analysis of the gene expression profiles of the treated cells. Methods: The gene expression profiles of human SK-ChA-1 cells which are treated by 500mW and 50mW laser radiation were retrieved from the Gene Expression Omnibus (GEO) database. Data were assessed by the GEO2R program, and the significant differentially

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42

Laryushin, A. I. "Laser multifunctional equipment for physiotherapy, reflexology and surgery." Kazan medical journal 77, no. 1 (1996): 71–74. http://dx.doi.org/10.17816/kazmj90974.

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Based on the research and medical practice, medical and technical requirements have been developed for the creation of a new generation of laser technology. As a result, new types of laser medical equipment were designed and mastered, based on the use of low- and high-intensity laser radiation.

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43

Н.Г., Стрижельчик, та Яковлєва Л.В. "ДОСЛІДЖЕННЯ ВПЛИВУ ЛАЗЕРНОГО ВИПРОМІНЮВАННЯ НА РІВЕНЬ ІНТЕНСИВНОСТІ ПРОЦЕСІВ АНТИОКСИДАНТНОГО ЗАХИСТУ В СИРОВАТЦІ КРОВІ ЩУРІВ В УМОВАХ ОКИСЛЮВАЛЬНОГО СТРЕСУ, ІНДУКОВАНОГО ДІОКСИДИНОМ". Біологія та валеологія, № 19 (12 грудня 2017): 87–92. https://doi.org/10.5281/zenodo.1108573.

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The influence of low power laser radiation on intensity level of antioxidant system processes and the lipid peroxidation in rat blood serum at oxidative stress conditions induced by dioxidine medicine has been studied. Itravenous administration of mammalian pro-oxidant mutagens is accompanied by a sharp increase in the production of active oxygen metabolites and the initiation of lipid peroxidation processes. There is the increase in the products of LPG (by 63%) and the decrease in the intensity of AOP processes (by 39%). As a result of the use of laser radiation, the intensification of AOS pr

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44

Voznesenskaya, A. A., A. S. Raznoschikov, A. F. Galkin, et al. "Distribution of laser radiation in opaque porous media." Journal of Physics: Conference Series 2316, no. 1 (2022): 012018. http://dx.doi.org/10.1088/1742-6596/2316/1/012018.

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Abstract The work is aimed at studying the interaction of laser radiation and powder material, in particular, the nature of propagation and absorption of laser radiation in a porous medium. Measurements of the nature of propagation and interaction of laser radiation with a powder material were carried out using a low-power laser in the “before reflow” mode. The paper presents the results of measuring the intensity of the passage of a laser beam through layers of powder material made of an aluminum alloy AlSi10Mg with an average fraction of 30 μm of various thicknesses. The results of measuring

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45

Deryugina, A. V., M. N. Ivashchenko, A. A. Belov, and V. A. Petrov. "Effect of low-intensity laser radiation of various ranges on the morphology of red blood cells." Veterinariya, Zootekhniya i Biotekhnologiya 1, no. 8 (2020): 78–83. http://dx.doi.org/10.36871/vet.zoo.bio.202008010.

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It is shown that under the influence of technological stress on the body of cattle, there is a violation of the ratio of normal forms of red blood cells – discocytes and their pathological forms – stomatocytes, echinocytes, the most common are echinocytes. To correct impaired body functions, the effect of continuous and fractional exposure to low-intensity laser radiation with wavelengths of 830 nm and 650 nm was studied. The obtained data indicate that the NILI with a wavelength of 650 nm and 830 nm does not have a negative effect on the morphology of bovine red blood cells. The stimulating a

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46

Schetinin, S. A. "Clinical and microbiological effectiveness of therapeutic and rehabilitation measures using a low-intensity laser in the practice of an otorhinolaryngologist." Terapevt (General Physician), no. 10 (October 15, 2020): 61–66. http://dx.doi.org/10.33920/med-12-2010-06.

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The article presents an analysis of the results of using a low-intensity laser in patients with chronic recurrent adenoiditis. Laser therapy was carried out using continuous exposure to red spectrum radiation (wavelength 632 nm, output power from 6 to 8 mW), exposure was performed endonasally for 60 s in each nostril, radiation dose 0.5 J / cm2, the course of treatment consisted of 10 s procedures. It was shown that in the group using laser therapy, the hypertrophy of the pharyngeal tonsil decreased, the number of pathobionts on its surface decreased, and the cellular factors of local antimicr

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47

Dudareva, L. V., V. N. Shmakov, A. M. Sobenin, E. G. Rudikovskaya, and R. K. Salyaev. "Low-intensity laser radiation changes amino acid composition of wheat callus tissues." Doklady Biochemistry and Biophysics 446, no. 1 (2012): 260–62. http://dx.doi.org/10.1134/s160767291205016x.

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48

Asimov, M. M., R. M. Asimov, A. N. Batyan, M. O. Trusevich, and A. N. Rubinov. "Biophotonics of the interaction of low-intensity laser radiation with blood erythrocytes." Optics and Spectroscopy 114, no. 6 (2013): 890–93. http://dx.doi.org/10.1134/s0030400x13060027.

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49

Zaporozhets, Yu, V. Mintsev, V. Gryaznov, V. Fortov, H. Reinholz, and G. Röpke. "Interaction of explosively driven dense plasmas with a low-intensity laser radiation." Journal of Physics A: Mathematical and Theoretical 42, no. 21 (2009): 214063. http://dx.doi.org/10.1088/1751-8113/42/21/214063.

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50

Chertok, V. M., and D. V. Bykov. "Effect of low-intensity laser radiation on capillaries in the rat brain." Bulletin of Experimental Biology and Medicine 115, no. 2 (1993): 228–30. http://dx.doi.org/10.1007/bf00847204.

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