Academic literature on the topic 'Luminol-dependent Chemiluminescence'

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Journal articles on the topic "Luminol-dependent Chemiluminescence"

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Shani, W. Krol, J., Z. Czuba, and S. Scheller. "Modulating Luminol-Dependent Chemiluminescence Of Neutrophils By Flavones." Zeitschrift für Naturforschung C 47, no. 11-12 (1992): 889–92. http://dx.doi.org/10.1515/znc-1992-11-1216.

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The effect of 14 flavones on luminol-dependent chemiluminescence of neutrophils was studied in vitro. Chemiluminescence was used in this study as an indicator for the production of a reactive oxygen species by neutrophils, stimulated by phorbol myristate acetate. While flavone- 8-acetic acid, and most of the compounds tested, inhibited chemiluminescence, flavone and its 5-hydroxy-7-methoxy derivatives enhanced it by up to 150%. The most active inhibitors of photon emission were the glycosides. These results indicate that lipophilicity and some structural determinants modulate the chemiluminesc
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Kurtasova, I. M., T. V. Lubnina та E. V. Safontseva. "Сhanges in functional activity of peripheral blood neutrophils in young children with recurrent respiratory infection". Medical Immunology (Russia) 24, № 2 (2022): 407–12. http://dx.doi.org/10.15789/1563-0625-cif-2407.

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Neutrophils characterized by high mobility and ability for quick and accurate reresponse upon homeostatic changes. These changes primarily occur at the inflammation site. The pathogen elimination depends on the phagocytic activity of neutrophils. The data from past decades have revisited the role of neutrophils and their involvement in changing the human cellular and humoral immunity. Neutrophils are not only effector cells, but also regulatory cells of both innate and adaptive immunity. Our purpose was to study phagocytic activity and parameters of oxygen-dependent metabolism of peripheral bl
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Dulin, Anne M., Max J. Paape, and Stephen C. Nickerson. "Comparison of phagocytosis and chemiluminescence by blood and mammary gland neutrophils from multiparous and nulliparous cows." American Journal of Veterinary Research 49, no. 2 (1988): 172–77. https://doi.org/10.2460/ajvr.1988.49.02.172.

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SUMMARY Neutrophils were isolated from the blood and mammaiy gland of 3 multiparous lactating cows and 3 nulliparous heifers. Neutrophil function was evaluated by phagocytosis and luminol-dependent chemiluminescence. Peroxidase activity was detected by use of transmission electron microscopy. Compared with that for blood neutrophils, percentage of phagocytosis was 9.6% lower for neutrophils isolated from the mammary gland of lactating cows, but this difference was not observed between neutrophils isolated from the mammary gland and from the blood of heifers. Similarly, after subtraction of che
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Davies, B., and S. W. Edwards. "Inhibition of myeloperoxidase by salicylhydroxamic acid." Biochemical Journal 258, no. 3 (1989): 801–6. http://dx.doi.org/10.1042/bj2580801.

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Salicylhydroxamic acid inhibited the luminol-dependent chemiluminescence of human neutrophils stimulated by phorbol 12-myristate 13-acetate or the chemotactic peptide N-formylmethionyl-leucyl-phenylalanine (fMet-Leu-Phe). This compound had no inhibitory effect on the kinetics of O2.- generation or O2 uptake during the respiratory burst, but inhibited both the peroxidative activity of purified myeloperoxidase and the chemiluminescence generated by a cell-free myeloperoxidase/H2O2 system. The concentration of salicylhydroxamic acid necessary for complete inhibition of myeloperoxidase activity wa
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Wang, J. F., P. Komarov, H. Sies, and H. de Groot. "Contribution of nitric oxide synthase to luminol-dependent chemiluminescence generated by phorbol-ester-activated Kupffer cells." Biochemical Journal 279, no. 1 (1991): 311–14. http://dx.doi.org/10.1042/bj2790311.

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Phorbol 12-myristate 13-acetate-induced luminol chemiluminescence in rat Kupffer cells was doubled by the addition of L-arginine and significantly (up to 70%) inhibited by NG-nitro-L-arginine and NG-monomethyl-L-arginine, competitive inhibitors of L-arginine-dependent nitric oxide (NO) formation. The release of superoxide anion (O2-) by NADPH oxidase was neither affected by L-arginine nor by the inhibitors. Only very slight luminol chemiluminescence was detectable in lipopolysaccharide-pretreated Kupffer cells, a condition in which significant amounts of NO were formed but no O2-. In a cell-fr
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Slepov, E. V., R. A. Zukov, M. S. Serbaeva, et al. "Possibility of modification of peripheral blood neutrophils functional activity during chemoradiotherapy in patients with anorectal cancer." Cancer Urology 19, no. 1 (2023): 133–40. http://dx.doi.org/10.17650/1726-9776-2023-19-1-133-140.

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Background. Ionizing radiation is an effective antitumor therapy, but it has a serious negative effect on the immune system requiring the use of radiation reaction prevention and reduction methods. Neutrophils are a sensitive element of the immune system both in interaction with tumor tissue and in response to radiation injury.Aim. To evaluate functional activity of peripheral blood neutrophils by chemiluminescent analysis in patients with anorectal cancer after radiotherapy.Materials and methods. The study included 80 patients with anorectal cancer. Patients received chemo- and radio-therapy
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Thomas, Virginia L., Barbara A. Sanford, Marcia S. Driscoll, Daniel T. Casto, and Rajam S. Ramamurthy. "Luminol-dependent chemiluminescence microassay for phagocytic function." Journal of Immunological Methods 111, no. 2 (1988): 227–32. http://dx.doi.org/10.1016/0022-1759(88)90131-7.

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Chang, Yung-Fu, and Harland W. Renshaw. "Pasteurella haemolytica leukotoxin: Comparison of 51chromium-release, trypan blue dye exclusion, and luminol-dependent chemiluminescence-inhibition assays for sensitivity in detecting leukotoxin activity." American Journal of Veterinary Research 47, no. 1 (1986): 134–38. https://doi.org/10.2460/ajvr.1986.47.01.134.

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SUMMARY Dilutions of concentrated, dialyzed Pasteurella haemolytica culture supernatant were caused to react with bovine neutrophil (pmn) suspensions, and then the trypan blue dye exclusion (tbde), 51chromium (51Cr)-release, and luminol-dependent chemiluminescence-inhibition (ldcll) assays were done to compare their relative sensitivities in detecting biological activity of Ρ haemolytica leukotoxin (cytotoxin). The culture supernatant was concentrated approximately 200:1, and when caused to react as an undiluted preparation with bovine pmn, it was cytotoxic for 38.6% and 80.4% of pmn as determ
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Рязанцева, Лариса Тихоновна, and Валерий Павлович Октябрьский. "DETERMINATION OF ANTIOXIDANT POTENTIAL OF SUBSTANCES OF DIFFERENT NATURE IN THE SYSTEM GENERATING SUPEROXIDE ANION RADICAL USING THE METHOD OF MATHEMATICAL MODELING." Вестник Тверского государственного университета. Серия: Химия, no. 3(41) (November 10, 2020): 79–87. http://dx.doi.org/10.26456/vtchem2020.3.9.

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С использованием метода математического моделирования кинетики люминолзависимой хемилюминесценции изучено действие некоторых антиоксидантов (АО) на реакцию окисления люминола супероксидными анион-радикалами, образующимися в системе ТЕМЭД-рибофлавин. Установлено, что для описания вклада антиоксидантов в изменение кинетики люминолзависимой хемилюминесценции (ХЛ) достаточно использовать единственную реакцию взаимодействия антиоксиданта со свободным радикалом. Предложено использование константы скорости этой реакции в качестве меры «антиоксидантной активности». Using the method of mathematical mod
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Žekonis, Gediminas, Jonas Žekonis, Renata Šadzevičienė, Genovaitė Šimonienė, and Egidijus Kėvelaitis. "Effect of Perilla frutescens aqueous extract on free radical production by human neutrophil leukocytes." Medicina 44, no. 9 (2008): 699. http://dx.doi.org/10.3390/medicina44090090.

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Objective. The present study was intended to evaluate the antioxidant properties of aqueous extract of the Perilla frutescens (L.) Britton. Material and methods. The antioxidant properties of Perilla frutescens were analyzed employing neutrophil leukocytes stimulated by the nonopsonized Escherichia coli. The neutrophil leukocytes were affected by adding an aqueous extract of Perilla. The generation of the reactive oxygen species by neutrophil leukocytes was investigated using assessment of luminol- and lucigenin-dependent chemiluminescence. Results. We found out that the treatment of neutrophi
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Dissertations / Theses on the topic "Luminol-dependent Chemiluminescence"

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Davies, J. D. "The measurement of opsonins in serum of renal transplant patients by luminol-dependent chemiluminescence and its correlation with kidney graft survival." Thesis, University of Oxford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370256.

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Book chapters on the topic "Luminol-dependent Chemiluminescence"

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Green, O. "Chemiluminescence-based Imaging." In Imaging Tools for Chemical Biology. Royal Society of Chemistry, 2024. http://dx.doi.org/10.1039/9781837673117-00180.

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This chapter provides a comprehensive overview of chemiluminescence, from its historical origins to modern imaging applications. The focus is on recent advancements in chemiluminescence imaging tools, emphasizing the revolutionary role of dioxetane-based probes. These probes are compatible with biological systems, allow controlled chemiexcitation and exceptional efficiency under physiological conditions, and thus stand out as pivotal tools in molecular imaging. The chapter navigates through the discovery of chemiluminescence, its comparison to fluorescence, and the classification of chemilumin
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Pagano, G., L. G. Korkina, M. Iaccarino, et al. "Measurement of oxidative activity : Luminol-dependent chemiluminescence and 8-oxodesoxyguanine." In Biomarkers in Marine Organisms. Elsevier, 2001. http://dx.doi.org/10.1016/b978-044482913-9/50031-6.

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Conference papers on the topic "Luminol-dependent Chemiluminescence"

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HADJIMITOVA, V. A., T. TRAYKOV, and R. BAKALOVA. "LUMINOL-DEPENDENT CHEMILUMINESCENCE INCREASES WITH FORMATION OF PHENOTHIAZINE CATION RADICALS BY HORSERADISH PEROXIDASE." In Proceedings of the 15th International Symposium. WORLD SCIENTIFIC, 2008. http://dx.doi.org/10.1142/9789812839589_0042.

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VUOTTO, ML, N. SANNOLO, R. MIRANDA, et al. "LUMINOL-DEPENDENT CHEMILUMINESCENCE OF PERIPHERAL NEUTROPHILS FROM WORKERS EXPOSED TO LOW FREQUENCY ELECTROMAGNETIC FIELDS." In Proceedings of the 13th International Symposium. WORLD SCIENTIFIC, 2005. http://dx.doi.org/10.1142/9789812702203_0083.

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Todorov, L., M. Valcheva-Traykova, T. Traykov, and I. Kostova. "Impact of 5-aminoorotic acid and its complex with gallium(III) on the luminol-dependent chemiluminescence in presence of sodium hypochlorite." In 10th Jubilee International Conference of the Balkan Physical Union. Author(s), 2019. http://dx.doi.org/10.1063/1.5091369.

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