Academic literature on the topic 'Photodestruction'

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Journal articles on the topic "Photodestruction"

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CZÉAGÉA, JÓAZSEF, and LOU REINISCH. "PHOTODESTRUCTION OF BACTERIORHODOPSIN." Photochemistry and Photobiology 53, no. 5 (1991): 659–66. http://dx.doi.org/10.1111/j.1751-1097.1991.tb08494.x.

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Lelekov, A. S., A. B. Borovkov, T. M. Novikova, I. N. Gudvilovich, A. L. Avsiyan, and O. A. Memetshayeva. "Modeling the Dynamics of Pigment Content in Cells of Dunaliella Salina Teod. Unicellular Alga at the Stage of Carotenogenesis." Mathematical Biology and Bioinformatics 14, no. 1 (2019): 279–89. http://dx.doi.org/10.17537/2019.14.279.

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The work is focused on modeling of chlorophyll and carotenoids content dynamics in the in cells of the unicellular algae D. salina, living in salt water, at carotenogenesis induction phase. A mathematical model of pigments content in microalgae cells, which experience excess of light energy and the limit of nutrient medium mineral components, is proposed. The model is based on assumption, that observed rate of variation in pigment concentration is an algebraic sum of the rates of synthesis, photodestruction and partial recovery of photo-oxidized pigments. The rate of secondary carotenoids synt
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Melø, T. B., G. Reisaeter, A. Johnsson, and M. Johnsson. "Photodestruction of Propionibacterium acnes Porphyrins." Zeitschrift für Naturforschung C 40, no. 1-2 (1985): 125–28. http://dx.doi.org/10.1515/znc-1985-1-224.

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Abstract The fluorescence spectra of colonies of Propionibacterium acnes were studied under various experimental conditions. The spectra contained peaks at 580 nm and 620 nm. These bands were due to two different components; the 580 nm component was likely to be a metalloporphyrin, and there are indications that the 620 nm component could be a coproporphyrin. The 580 nm fluorescence was destroyed by the combined action of light and oxygen (no destruction under strict anaerobic conditions). A dark period interrupting the bleaching light stopped the destruction of this component for the time of
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Yandidova, O. V., V. V. Lemanov, and B. V. Sukharev. "Photodestruction of LiNbO3:Fe crystals." Ferroelectrics Letters Section 7, no. 6 (1987): 157–61. http://dx.doi.org/10.1080/07315178708200545.

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Allain, T., E. Sedlmayr, and S. Leach. "Formation and photodestruction of pahs." Astrophysics and Space Science 224, no. 1-2 (1995): 417–18. http://dx.doi.org/10.1007/bf00667884.

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Romanova, N. A., L. Y. Brovko, L. Moore, et al. "Assessment of Photodynamic Destruction of Escherichia coli O157:H7 and Listeria monocytogenes by Using ATP Bioluminescence." Applied and Environmental Microbiology 69, no. 11 (2003): 6393–98. http://dx.doi.org/10.1128/aem.69.11.6393-6398.2003.

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ABSTRACT Antimicrobial photodynamic therapy was shown to be effective against a wide range of bacterial cells, as well as for fungi, yeasts, and viruses. It was shown previously that photodestruction of yeast cells treated with photosensitizers resulted in cell destruction and leakage of ATP. Three photosensitizers were used in this study: tetra(N-methyl-4-pyridyl)porphine tetratosylate salt (TMPyP), toluidine blue O (TBO), and methylene blue trihydrate (MB). A microdilution method was used to determine MICs of the photosensitizers against both Escherichia coli O157:H7 and Listeria monocytogen
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Gorbatova, N. Y., T. Y. Yushina, O. O. Sarukhanyan, A. G. Dorofeyev, and A. V. Bryantsev. "Emergency Laser Photodestruction of Benign Vascular Formations of the Skin in Children, Complicated by Bleeding." Russian Sklifosovsky Journal "Emergency Medical Care" 8, no. 1 (2019): 35–44. http://dx.doi.org/10.23934/2223-9022-2019-8-1-35-44.

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BACKGROUNDBenign vascular lesions of the skin, hemangiomas and pyogenic granulomas are quite common in pediatric patients, which are complicated with bleeding in 7.5% of cases.MATERIAL AND METHODSIn 2016–2018, 17 children with cavernous hemangiomas and pyogenic granulomas complicated with bleeding were operated on an emergency basis at the Research Institute of Emergency Children’s Surgery and Traumatology. Surgical intervention for all patients was performed using the method of interstitial selective laser photodestruction developed by the RIECST, which took out the utility patent. This metho
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Safin, D. A., N. E. Gorbatova, S. A. Zolotov та ін. "The first experience of treating linear types of capillary angiodysplasia of the skin in children with green laser light λ 520 ± 10.0 nm". Russian Journal of Pediatric Surgery 27, № 4 (2023): 277–83. http://dx.doi.org/10.55308/1560-9510-2023-27-4-277-283.

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Introduction. The linear type of capillary angiodysplasia (LCA) is represented by pathologically dilated vessels of the capillary flow located between the epidermis and hypodermis. LCA may be both congenital and acquired. By the type of blood supply, LCA are arterial, venous and mixed. Local infections and injuries, excessive solar insolation and hormonal imbalance are noted among LCA causes. LCAs are benign lesions, but they may have complications which may be triggered, for example, by traumatic damage to a pathologically enlarged vessel. There is a large number of non-invasive and invasive
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Nizametdinova, Yulduz Sh, and Yuri V. Takhtaev. "The creation of a corneal incision with a femtosecond laser." Ophthalmology Journal 15, no. 2 (2022): 75–81. http://dx.doi.org/10.17816/ov109082.

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BACKGROUND: The cutting action of a femtosecond laser (FS-laser) on the corneal tissue is performed using a photodestructive effect. FS-laser technology is used in many different areas of corneal surgery, and studying this effect is an actual issue.
 AIM: To evaluate the surface of the corneal incision created by a FS-laser (experimental study).
 MATERIALS AND METHODS: 20 porcine eyes were divided into two groups (FS-laser and keratome). The corneal tissue surface in the area of contact between two lips of the incision was visualized by electron microscopy.
 RESULTS: In all case
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Crovisier, Jacques. "Photodestruction rates for cometary parent molecules." Journal of Geophysical Research 99, E2 (1994): 3777. http://dx.doi.org/10.1029/93je02088.

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Dissertations / Theses on the topic "Photodestruction"

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MATTEI, ANTOINE-ANDRE. "Place de la photodestruction laser dans le traitement des ampullomes benins." Lyon 1, 1993. http://www.theses.fr/1993LYO1M315.

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Hudaya, Tedi Chemical Sciences &amp Engineering Faculty of Engineering UNSW. "Synthesis, characterisation, and activity of novel TiO2-based photocatalysts for organic pollutant photodestruction under UV and visible-light irradiation." Publisher:University of New South Wales. Chemical Sciences & Engineering, 2008. http://handle.unsw.edu.au/1959.4/42612.

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Titania-based photocatalysts have been extensively studied for the oxidative photodestruction of organic pollutants in wastewaters, releasing non-toxic substances such as CO2, HCl, and water. However, commercial exploitation of this process is limited by the fact that titania is only active under UV irradiation (wavelength below about 388 nm), which is only less than 5% of solar light energy. Sol-gel synthesised catalyst specimens were characterised to determine the correlation between preparation conditions on morphology (XRD, SEM), optical (bandgap energy level) and physicochemical propertie
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Chih, Huang Chien, and 黃建智. "The Mechanisms of Nano-sized TiO2 Photocatalyst Treated by Plasma Surface Modification for Photodestruction of the Volatile Organic Compounds." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/08458367844668952613.

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碩士<br>中國文化大學<br>材料科學與製造研究所<br>92<br>A visible-light-responsive titanium oxide photocatalyst was prepared by using rf power of 400W in hydrogen (H2) or nitrogen (N2) gas at 400℃. It is demonstrated that an oxygen-deficient structure of commercial TiO2 (ST-01) is successfully produced via this new plasma-heat process. The properties of treated ST-01 were analyzed by means of UV-visible spectrometer, XRD, and BET. After plasma-heat treatment, no obvious changes of crystalline size, anatase structure and specific surface area of ST-01 samples were found. On irradiating with visible light lamp, the
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Book chapters on the topic "Photodestruction"

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Allain, T., E. Sedlmayr, and S. Leach. "Formation and Photodestruction of Pahs." In Circumstellar Matter 1994. Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0147-9_73.

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Egorov, S. Yu, and A. A. Krasnovsey. "Participation of Chlorophyll Triplet State and Singlet Molecular Oxygen in Chloroplast Photodestruction." In Research in Photosynthesis. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-009-0383-8_25.

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Beitz, James V. "Europium(III) Interaction with a Water-Soluble Complexant: From Speciation to Photodestruction." In Separations of f Elements. Springer US, 1995. http://dx.doi.org/10.1007/978-1-4899-1406-4_11.

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"Photodestruction." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-44185-5_100886.

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"Photodestruction." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-11274-4_2924.

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"Photodestruction." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-65093-6_301015.

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"Photoregulatory and Photodestructive Processes." In Compendium of Biophysics. John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119160281.ch30.

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Conference papers on the topic "Photodestruction"

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Mathies, Richard A., Konan Peck, and Lubert Stryer. "High-Sensitivity Single-Molecule Fluorescence Detection in Theory and Practice." In Laser Applications to Chemical Analysis. Optica Publishing Group, 1990. http://dx.doi.org/10.1364/laca.1990.tha2.

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The number of emitted photons that can be obtained from a fluorophore increases with the incident light intensity and the duration of illumination. However, saturation of the absorption transition and photodestruction place natural limits on the ultimate signal-to-noise ratio that can be obtained. Equations have been derived to describe the fluorescence-to-background-noise ratio in the presence of saturating light intensities and photodestruction.1 The fluorescence lifetime and the photodestruction quantum yield are the key parameters that determine the optimum light intensity and exposure tim
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Vaitkuviene, Aurelija, Zydrunas Stankevicius, Sarunas Skirkevicius, Bronius Bareika, and Valerijus Smilgevicius. "Selective photodestruction in minimally invasive genital surgery." In Europto Biomedical Optics '93, edited by Martin J. C. van Gemert, Rudolf W. Steiner, Lars O. Svaasand, and Hansjoerg Albrecht. SPIE, 1994. http://dx.doi.org/10.1117/12.168017.

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Konkov, O. I., and A. V. Prikhodko. "Photodestruction changes in carbon matrix and Costas array formation." In Lasers for Measurements and Information Transfer 2004. SPIE, 2005. http://dx.doi.org/10.1117/12.610501.

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Belov, Sergei N., Albert I. Vangonen, Olga V. Levina, and Anatoly M. Puhov. "Photodestruction of organic compounds exposed to pulsed VUV irradiation." In ECO4 (The Hague '91), edited by Tommaso Letardi and Lucien D. Laude. SPIE, 1991. http://dx.doi.org/10.1117/12.46963.

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Stranadko, Eugeny P., Oleg K. Skobelkin, Yuri M. Makeev, et al. "Laser treatment of skin cancer: dissection, photodestruction, and photodynamic therapy." In Photonics China '96, edited by Brij M. Khorana, Junheng Li, and Michail M. Pankratov. SPIE, 1996. http://dx.doi.org/10.1117/12.251933.

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Yusef, Yu N., A. A. Gamidov, E. P. Medvedeva, Z. V. Surnina, E. M. Kasianenko, and O. I. Baum. "RESULTS OF CONFOCAL MICROSCOPY OF THE CORNEA AFTER YAG LASER TREATMENT ON THE TISSUE OF THE EYE ANTERIOR SEGMENT." In NOVEL TECHNOLOGIES IN MEDICINE, BIOLOGY, PHARMACOLOGY AND ECOLOGY. LLC Institute Information Technologies, 2024. http://dx.doi.org/10.47501/978-5-6044060-4-5.164-172.

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Laser discission (LD) of secondary cataract (SC) and laser iridotomy (LIE), which are based on the effect of laser photodestruction of tissues, are not without drawbacks associated with the risk of complications, including those of the cornea. In this study the condition of the cor-nea after LD of SC and LIE were researched using a modern method - corneal confocal mi-croscopy.
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Potter, William R., Stephen N. Joffe, and John A. Parrish. "The Theory Of Photodynamic Therapy Dosimetry: Consequences Of Photodestruction Of Sensitizer." In Cambridge Symposium-Fiber/LASE '86. SPIE, 1987. http://dx.doi.org/10.1117/12.937328.

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Simonova, Marina, Aleksey Ivanov, and Nikolai Romanov. "Investigation of photodestruction of flame-retardant intumescentecoatings modified with carbon nanostructures." In III INTERNATIONAL SCIENTIFIC AND PRACTICAL CONFERENCE “TECHNOLOGIES, MATERIALS SCIENCE AND ENGINEERING” (EEA-III 2024). AIP Publishing, 2024. https://doi.org/10.1063/5.0247345.

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Mostovnikov, Vasili A., Galina R. Mostovnikova, Vitali Y. Plavski, and Antonina I. Tretjakova. "Primary stage of photodestruction of malignant cells under photodynamic therapy of tumors." In CIS Selected Papers: Laser Use in Oncology, edited by Andrei V. Ivanov and Mishik A. Kazaryan. SPIE, 1996. http://dx.doi.org/10.1117/12.229492.

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Schüle, Georg, Gereon Hüttmann, Johann Roider, Reginald Birngruber, and Ralf Brinkmann. "On-Line control systems for selective photodestruction of the retinal pigment epithelium." In Biomedical Topical Meeting. OSA, 1999. http://dx.doi.org/10.1364/bio.1999.ctue9.

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