Academic literature on the topic 'Friedelin'

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Journal articles on the topic "Friedelin"

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Singh, Santosh Kumar, Shweta Shrivastava, Awdhesh Kumar Mishra, et al. "Friedelin: Structure, Biosynthesis, Extraction, and Its Potential Health Impact." Molecules 28, no. 23 (2023): 7760. http://dx.doi.org/10.3390/molecules28237760.

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Pharmaceutical companies are investigating more source matrices for natural bioactive chemicals. Friedelin (friedelan-3-one) is a pentacyclic triterpene isolated from various plant species from different families as well as mosses and lichen. The fundamental compounds of these friedelane triterpenoids are abundantly found in cork tissues and leaf materials of diverse plant genera such as Celastraceae, Asteraceae, Fabaceae, and Myrtaceae. They possess many pharmacological effects, including anti-inflammatory, antioxidant, anticancer, and antimicrobial activities. Friedelin also has an anti-inse
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Shi, Bei, Suxian Liu, Aoshuang Huang, et al. "Revealing the Mechanism of Friedelin in the Treatment of Ulcerative Colitis Based on Network Pharmacology and Experimental Verification." Evidence-Based Complementary and Alternative Medicine 2021 (November 2, 2021): 1–14. http://dx.doi.org/10.1155/2021/4451779.

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Objectives. Ulcerative colitis (UC) is a chronic inflammatory disease affecting the colon, and its incidence is rising worldwide. This study was designed to uncover the healing effect of friedelin, a bioactive compound against UC through bioinformatics of network pharmacology and experimental verification of UC model mice. Materials and Methods. Targets of friedelin and potential mechanism of friedelin on UC were predicted through target searching, PPI network establishing, and enrichment analyzing. We explored effects of friedelin on dextran sulfate sodium (DSS)-induced colitis. Severity of U
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Chen, Jie, Tianyu Gao, Yanhui Ge, et al. "An efficient harvesting strategy for agarwood based on the correlation analysis of resin formation and leaves dynamic changes induced by integrated induction method." PLOS One 20, no. 7 (2025): e0327516. https://doi.org/10.1371/journal.pone.0327516.

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Agarwood is a resin produced by wounded Aquilaria plants. Aquilaria sinensis (Lour.) Gilg is the original plant source of agarwood in China. Formic acid combined with Botryosphaeria rhodina A13 (FAA13) induces the formation of artificial agarwood as an effective integrated induction method. However, its formation mechanism is still unclear, and the harvesting time of agarwood has not been elucidated. In this work, we analyzed FAA13-induced artificial agarwood and leaves at different time points within one year based on endophytic fungal community, expression of related genes, and secondary met
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Setzer, William N., Mary C. Setzer, R. Lynton Peppers, et al. "Triterpenoid Constituents in the Bark of Balanops australiana." Australian Journal of Chemistry 53, no. 9 (2000): 809. http://dx.doi.org/10.1071/ch00066.

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Two new triterpenoid natural products (friedelane-3,21α-diol and friedelane-3α,28,29-triol) have been isolated from the chloroform bark extract of Balanops australiana from Paluma, north Queensland, Australia. The known triterpenoids betulinic acid, friedelin, canophyllol, zeylanol and 21α-hydroxyfriedelan-3-one were also isolated. The structures of the compounds were elucidated on the basis of spectral analysis. A single-crystal X-ray structural analysis has been carried out on 21α-hydroxyfriedelan-3-one.
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Tomosaka, Hideyuki, Hideaki Tamimoto, Yuki Tsukagoshi, Yasutsugu Suzuki, Hisako Ooka, and Michiya Ota. "Constituents of Twig Bark of Pear Cultivars (Pyrus species)." Natural Product Communications 7, no. 8 (2012): 1934578X1200700. http://dx.doi.org/10.1177/1934578x1200700806.

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Organic solvent extracts from fresh twig bark of Japanese pear cultivars ( Pyrus serotina) Shinko and Nijisseiki, and European pear cultivar ( P. communis) Le Lectier were obtained by maceration with n-hexane and EtOAc, and analyzed in GC-EIMS experiments. In these two Japanese cultivars, the lupeol, betulin, epifriedelinol, friedelin and arbutin contents of Nijisseiki were higher than those of Shinko. In the case of the lupane-type triterpenes, lupeol and betulin, the lupeol content of Japanese pears Shinko and Nijisseiki was higher than that of European pear Le Lectier. The betulin content o
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Vivek, Krishna, Sharma Sneh, B. Pareek R., and Singh Pahup. "Terpenoid constituents from some indigenous plants." Journal of Indian Chemical Society Vol. 79, Jun 2002 (2002): 550–52. https://doi.org/10.5281/zenodo.5844305.

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Department of Chemistry, University of Rajasthan, Jaipur-302 004, India <em>E-mail</em>: pahupsingh@yahoo.co.uk <em>Manuscript received 2 April 2001, revised 11 September 2001, accepted 16 October 2001</em> Isolation of lupeol acetate, stigmasterol, &beta;-sitasterol, betulin, &beta;-amyrin, lupeol, oleanolic acid from aerial parts and stigmasterol, &beta;-sitosterol, &beta;-amyrin, oleanolic acid from flowers of <em>Pyrostegi&alpha; venust&alpha;</em>; &beta;-sitosterol, friedelin, friedel-1-en-3-one, lupeol from heartwood of <em>S&alpha;lm&alpha;li&alpha; m&alpha;l&alpha;b&alpha;ric&alpha;</
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Islam, Quazi Sufia, Md Hossain Sohrab, Suraiya Sharmin, and Choudhury Mahmood Hasan. "Phytochemical Investigation of Calophyllum inophyllum L." Dhaka University Journal of Pharmaceutical Sciences 18, no. 2 (2019): 179–82. http://dx.doi.org/10.3329/dujps.v18i2.43260.

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Repeated chromatographic separation and purification of the dichloromethane-methanol (1:1) extract of the stem bark of Calophyllum inophyllum led to the isolation of four secondary metabolites which were identified as β-friedelin (1), α-friedelan-3-ol (2), 4-hydroxyxanthone (3) and stigmast-5-en-3-one (4) by analysis of their NMR data and comparison with published values&#x0D; Dhaka Univ. J. Pharm. Sci. 18(2): 179-182, 2019 (December)
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Pires, Ricardo A., Ivo Aroso, Susana P. Silva, João F. Mano, and Rui L. Reis. "Isolation of Friedelin from Black Condensate of Cork." Natural Product Communications 6, no. 11 (2011): 1934578X1100601. http://dx.doi.org/10.1177/1934578x1100601104.

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Black condensates (BC) are wastes of the insulation corkboard industry that contain several valuable chemicals, including friedelin, a terpene exhibiting biological activity. Herein, we report a straightforward procedure to extract friedelin from BC. Using this procedure, we were able to extract friedelin with yields between 0.4% and 2.9% and to further purify it obtaining purities from 77.0% to 99.3% (HPLC). The initial BC (2 batches), extracted raw product and purified friedelin were analyzed using FTIR. The extraction yields and purities were found to be directly related to the intensity of
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Farozi, Alia, Javid Ahmad Banday, and Shakeel Ahmad Shah. "Genicunolide A, B and C: three new triterpenoids from Euphorbia geniculata." Beilstein Journal of Organic Chemistry 11 (December 23, 2015): 2707–12. http://dx.doi.org/10.3762/bjoc.11.291.

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Three new triterpenoids, designated as genicunolide A (1), B (2) and C (3), along with friedelin (4) and friedelinol (5), were isolated from the aerial parts of Euphorbia geniculata. They were characterized as 1β-acetoxy-3β-hydroxy-11α,12α-oxidotaraxer-14-ene, 1β,3β-diacetoxy-21α-hydroxy-11α,12α-oxidotaraxer-14-ene and 3β,9α,20α-trihydroxy-Ψ-taraxast-5-ene, respectively, by spectral and chemical methods.
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Tian, Juan, Tao Han та Minjuan Pan. "Friedelin Protects Against Alveolar Epithelial Cells Apoptosis in Lps-Induced Acute Pneumonia in Neonatal Rats by Suppressing NF-κB Activation". Current Topics in Nutraceutical Research 19, № 1 (2020): 58–63. http://dx.doi.org/10.37290/ctnr2641-452x.19:58-63.

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Neonatal pneumonia is caused by inflammation mediated by lipopolysaccharide from gram negative bacteria. This type of pneumonia is characterized by inflammatory and apoptotic responses. In this study, we have examined the effect of friedelin on lipopolysaccharide-induced pneumonia and the role of nuclear factor kappa B in this process. Also, using the human pulmonary alveolar epithelial cells as a model we examined the effect of lipopolysaccharide on the cell apoptosis and its protection by friedelin. The results show that friedelin prevented lipopolysaccharide-induced acute pneumonia in neona
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Dissertations / Theses on the topic "Friedelin"

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Ferro, Jamylle Nunes de Souza. "Atividade antinociceptiva e anti-inflamatória do extrato hexânico obtido das cascas do caule de Clusia nemorosa G. Mey. (Clusiaceae)." Universidade Federal de Alagoas, 2012. http://www.repositorio.ufal.br/handle/riufal/1520.

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Clusia nemorosa is distributed throughout Brazil and its extract is widely used in popular medicine to treat different diseases. Although the popular use of extract of C. nemorosa, the scientific reported on their pharmacological and phytochemical analysis are scarce. In the present study, we aimed to evaluate the antinociceptive and antiinflammatory effect of hexane extract of Clusia nemorosa-derived stem bark (EHC). To evaluate the antinociceptive effect of EHC classical models of the study of pain were used, such as the abdominal writhing test induced by acetic acid, formalin test and hot
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FABIO, FERRINI. "Research and development of cultivation methods of Cannabis sativa L. to maximize the yiel of non-THC bioactive compounds of nutraceutical, cosmeceutical and pharmaceutical interest." Doctoral thesis, Urbino, 2022. http://hdl.handle.net/11576/2698149.

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Pinheiro, Karina Alves [UNESP]. "Estudo da formação da friedelina a partir de mutações no gene da friedelina sintase." Universidade Estadual Paulista (UNESP), 2015. http://hdl.handle.net/11449/142999.

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Made available in DSpace on 2016-08-12T18:48:46Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-07-27. Added 1 bitstream(s) on 2016-08-12T18:51:00Z : No. of bitstreams: 1 000849826_20170730.pdf: 873601 bytes, checksum: aba6ada5ec0fbb61f3b3604c66aafb07 (MD5) Bitstreams deleted on 2017-08-07T14:09:12Z: 000849826_20170730.pdf,. Added 1 bitstream(s) on 2017-08-07T14:10:16Z : No. of bitstreams: 1 000849826.pdf: 4209967 bytes, checksum: fe80c7e6b5372db8ddddd264003573c2 (MD5)<br>A clonagem de oxidoesqualeno ciclase das folhas de M. ilicifolia já foi estudada por nosso grupo, bem como os est
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Pinheiro, Karina Alves. "Estudo da formação da friedelina a partir de mutações no gene da friedelina sintase /." Araraquara, 2015. http://hdl.handle.net/11449/142999.

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Orientador: Maysa Furlan<br>Co-orientador: Lidiane Gaspareto Felippe<br>Banca: Rafael Victorio Carvalho Guido<br>Banca: Adriana Aparecida Lopes<br>Resumo: A clonagem de oxidoesqualeno ciclase das folhas de M. ilicifolia já foi estudada por nosso grupo, bem como os estudos de expressão em S. cerevisiae geneticamente modificada para melhor produção da friedelina. Para o desenvolvimento do trabalho, optou-se por realizar a expressão do gene de friedelina sintase de Kalanchoe daigremontiana obtido comercialmente, cuja sequência foi otimizada de acordo com o codon usage de S. cerevisiae. A partir d
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Tandlop, Karl Georg. "Der Russische Frieden." Alexander Fuchs, 2017. https://slub.qucosa.de/id/qucosa%3A16291.

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Roman über die Napoleonische Zeit Die Aufzeichnungen Karl Georg Tandlop's, der während der Napoleonischen Ära als Korrespondent für die Gothaer 'National-Zeitung der Deutschen' gearbeitet hat und beim großen Brand von Moskau dabei war. In diesem Roman treten u.a. die Königin Luise von Preußen und der Dichter Heinrich von Kleist auf. Dies ist ein Buch über Politik und Weltgeschichte, und über die Menschen, die ihnen ausgeliefert sind. Aber es ist auch ein Buch über die alles Schlechte bezwingende, alles Gute erhaltende und überhaupt alles überdauernde Kraft und Macht der Kunst. Dieser Roman i
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Neubert, Günter. "Irini - Frieden, Pólemos kai Irini, Krieg und Frieden für Klavier solo." Günter Neubert, 2018. https://slub.qucosa.de/id/qucosa%3A20969.

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Nolden, Marcus. "Zwischen Sühne und Frieden." Doctoral thesis, Universitätsbibliothek Chemnitz, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-207323.

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Die vorliegende Studie konzentriert sich auf die deutsch-israelischen Beziehungen im Feld des humanitären und friedensstiftenden Vor-Ort-Einsatzes. Dabei nimmt die Arbeit die verwickelten und konflikthaften Beziehungen im Bemühen der Politik um Normalität des deutsch-israelischen Verhältnisses in den Blick, ein Bemühen, das durch die historische Einzigartigkeit der Shoa immer schon unmöglich ist. Bestimmt wird die Perspektive der Untersuchung nicht von den vorherrschenden Paradigmen des Forschungsfeldes Internationale Beziehungen, sondern anhand zivilgesellschaftlichen Engagements, das sich u.
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Schiedermair, Stephanie. "Der internationale Frieden und das Grundgesetz /." Baden-Baden : Nomos, 2006. http://www.gbv.de/dms/sub-hamburg/502981962.pdf.

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Barclay, Christopher H. "Friedel-Crafts chemistry at halogenated surfaces." Thesis, University of Glasgow, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301625.

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Davies, Timothy James. "New catalysts for friedel-crafts reactions." Thesis, Heriot-Watt University, 2001. http://hdl.handle.net/10399/505.

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Books on the topic "Friedelin"

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Sartori, Giovanni. Advances in Friedel-Crafts acylation reactions: Catalytic and green processes. Taylor & Francis, 2010.

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Sartori, Giovanni. Advances in Friedel-Crafts acylation reactions: Catalytic and green processes. Taylor & Francis, 2010.

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Lippert, Ekkehard, and Günther Wachtler, eds. Frieden. VS Verlag für Sozialwissenschaften, 1988. http://dx.doi.org/10.1007/978-3-322-85630-2.

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Fußbroich, Helmut. St. Maria vom Frieden: [Klosterkirche der Unbeschuhten Karmeliterinnen in der Schnurgasse zu Köln]. Rheinischer Verein für Denkmalpflege und Landschaftsschutz, 1999.

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Werkner, Ines-Jacqueline. Gerechter Frieden. Springer Fachmedien Wiesbaden, 2021. http://dx.doi.org/10.1007/978-3-658-34366-8.

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Gießmann, Hans J., and Bernhard Rinke, eds. Handbuch Frieden. Springer Fachmedien Wiesbaden, 2019. http://dx.doi.org/10.1007/978-3-658-23644-1.

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Gießmann, Hans J., and Bernhard Rinke, eds. Handbuch Frieden. VS Verlag für Sozialwissenschaften, 2011. http://dx.doi.org/10.1007/978-3-531-92846-3.

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Giessmann, Hans-Joachim. Handbuch Frieden. VS Verlag für Sozialwissenschaften, 2011.

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Giessmann, Hans-Joachim. Handbuch Frieden. VS Verlag für Sozialwissenschaften, 2011.

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Giessmann, Hans-Joachim. Handbuch Frieden. VS Verlag für Sozialwissenschaften, 2011.

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Book chapters on the topic "Friedelin"

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Werkner, Ines-Jacqueline. "Zur Einführung." In essentials. Springer Fachmedien Wiesbaden, 2021. http://dx.doi.org/10.1007/978-3-658-34366-8_1.

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Zusammenfassung„Si vis pacem para pacem“ (wenn du den Frieden willst, bereite den Frieden vor) – unter dieser Maxime steht das Leitbild des gerechten Friedens. Es steht „für einen fundamentalen Wandel in der ethischen Praxis“ und setzt „andere Bewertungsgrundlagen und Handlungskriterien voraus“ (ÖRK 2011a, Präambel). Ausgehend von Psalm 85,11 „dass Gerechtigkeit und Friede sich küssen“ sowie Jesaja 32,17 „der Gerechtigkeit Frucht wird Friede sein, und der Ertrag der Gerechtigkeit ewige Stille und Sicherheit“ (vgl. auch Jak 3,18) werden Frieden und Gerechtigkeit wechselseitig aufeinander bezoge
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Werkner, Ines-Jacqueline. "Der gerechte Frieden – zur Verortung eines Konzeptes." In essentials. Springer Fachmedien Wiesbaden, 2021. http://dx.doi.org/10.1007/978-3-658-34366-8_2.

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ZusammenfassungSemantisch grenzt sich der gerechte Frieden in zweifacher Weise ab: zum einen vom gerechten Krieg, zum anderen von einem ungerechten Frieden (vgl. hierzu auch Werkner 2018, S. 35 ff.). Für die Entstehung des Konzeptes erweist sich die erste Abgrenzung – wie an obiger Stelle bereits beschrieben – als zentral.
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Barudio, Günter. "Frieden." In Politik als Kultur. J.B. Metzler, 1994. http://dx.doi.org/10.1007/978-3-476-03526-4_27.

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Weede, Erich. "Frieden." In Bonner Enzyklopädie der Globalität. Springer Fachmedien Wiesbaden, 2017. http://dx.doi.org/10.1007/978-3-658-13819-6_94.

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Haller, Max. "Frieden." In Radikale Werte. Springer Fachmedien Wiesbaden, 2024. http://dx.doi.org/10.1007/978-3-658-42954-6_8.

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Gerhard, Wilfried. "Frieden." In Frieden. VS Verlag für Sozialwissenschaften, 1988. http://dx.doi.org/10.1007/978-3-322-85630-2_11.

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Nanko, Ulrich. "Frieden." In Metzler Lexikon Religion. J.B. Metzler, 2005. http://dx.doi.org/10.1007/978-3-476-00091-0_153.

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Mautner, Josef P. "Wege aus dem Dunkel des Krieges?" In Edition Politik. transcript Verlag, 2024. http://dx.doi.org/10.14361/9783839468463-002.

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Josef P. Mautner charakterisiert zunächst einige ausgewählte Problemfelder in der ästhetischen Wahrnehmung von Krieg und Frieden, die von grundlegenden Ambivalenzen und Widersprüchen geprägt ist. In einem zweiten Schritt problematisiert er die Verzerrungen der Objektwahrnehmung in Kriegs- und Gewaltsituationen, die teilweise strategisch gewollt, teilweise strukturbedingt sind. Über diese Zerrformen der Objektwahrnehmung hinaus diskutiert der Beitrag in einem dritten Schritt lineare, distinktionsfeindliche Erzählungen in den Wahrheitsdiskursen rund um Krieg und Frieden. Abschließend werden Mögl
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Sokolowsky, Kay. "Friedell, Egon." In Metzler Autoren Lexikon. J.B. Metzler, 1997. http://dx.doi.org/10.1007/978-3-476-03720-6_104.

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Haas, Stefan. "Friedell, Egon." In Kindlers Literatur Lexikon (KLL). J.B. Metzler, 2020. http://dx.doi.org/10.1007/978-3-476-05728-0_11852-1.

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Conference papers on the topic "Friedelin"

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Bykov, Alexey, Galina Demidenko, Linda Nikoshvili, and Elena Bakhvalova. "INFLUENCE OF THE NATURE OF AROMATIC POLYMER AS A PT PARTICLE STABILIZER ON ITS ACTIVITY AND SELECTIVITY IN THE LIQUID-PHASE HYDROGENATION OF AROMATIC AND POLYAROMATIC SUBSTRATES." In 24th SGEM International Multidisciplinary Scientific GeoConference 24. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/4.1/s17.16.

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A series of platinum catalytic systems stabilized in aromatic polymers were obtained in this work. Commercially available styrene-divinylbenzene (MN100) and polymers synthesized by one-stage crosslinking by the Friedel-Crafts reaction from benzene, naphthalene, and an equimolar benzene-naphthalene mixture were used as polymers. The obtained systems were tested in liquid-phase hydrogenation reactions of benzene, toluene, and benzene-toluene mixture, as well as anthracene in a dodecane medium. The reaction products were studied using GC-MS. Polymers and catalytic systems were studied using diffu
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FREUND, ANDREAS K. "DEVIL 3 - FOR FRIEDEL." In Proceedings of the International Conference. WORLD SCIENTIFIC, 2001. http://dx.doi.org/10.1142/9789812810175_0051.

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PULETTI, VALENTINA GIANGRECO M. "FRIEDEL OSCILLATIONS AND HOLOGRAPHIC LIQUIDS." In Proceedings of the MG13 Meeting on General Relativity. WORLD SCIENTIFIC, 2015. http://dx.doi.org/10.1142/9789814623995_0483.

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Sticlet, Doru, Balázs Dóra, and Cătălin Pașcu Moca. "Friedel oscillations around imaginary potentials." In PROCEEDINGS OF THE TIM22 PHYSICS CONFERENCE. AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0215417.

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"Friedel Crafts Acylation of Anisole With Modified Zeolites." In ISECT-2017, BDAMTE-17, IDCE-2017, CCES-2017, ICHBES-2017, MBPS-2017, ACBES-17, LHHIS-17, LBETM-17, AFPIS-2017 & EFEAM-2017. Dignified Researchers Publication (DiRPUB), 2018. http://dx.doi.org/10.15242/dirpub.dir1017204.

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Ambuj, Anindya, Reeta Vyas, and Surendra Singh. "Friedel’s Law in the Diffraction of Angular Momentum Carrying Paraxial Beams." In Conference on Coherence and Quantum Optics. OSA, 2019. http://dx.doi.org/10.1364/cqo.2019.w6a.4.

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Goetze, Dorothée. "Frieden im World Wide Web. Zum Umgang mit Internetquellen." In Friedensordnungen in geschichtswissenschaftlicher und geschichtsdidaktischer Perspektive. V&R unipress, 2017. http://dx.doi.org/10.14220/9783737006712.243.

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Manikonda, Abhisek, Vincent O. Ogunro, Kirk M. Ellison, and Keith Moo-Young. "Synthesis of Friedel’s Salt for Application in Halide Sequestration Using Paste Encapsulation Technology." In Eighth International Conference on Case Histories in Geotechnical Engineering. American Society of Civil Engineers, 2019. http://dx.doi.org/10.1061/9780784482148.017.

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Brunert, Maria-Elisabeth. "Der Westfälische Frieden 1648 – eine Friedensordnung für das Reich und Europa." In Friedensordnungen in geschichtswissenschaftlicher und geschichtsdidaktischer Perspektive. V&R unipress, 2017. http://dx.doi.org/10.14220/9783737006712.69.

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Ishida, T. "Experimental study on decomposition processes of Friedel’s salt due to carbonation." In ConcreteLife'06 - International RILEM-JCI Seminar on Concrete Durability and Service Life Planning: Curing, Crack Control, Performance in Harsh Environments. RILEM Publications SARL, 2006. http://dx.doi.org/10.1617/291214390x.006.

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Reports on the topic "Friedelin"

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อำนวยผล, สุรัตนา. การคัดกรองพืชสมุนไพรที่มีฤทธิ์ต้านเบาหวาน ในพื้นที่โครงการอนุรักษ์พันธุกรรมพืชอันเนื่องมาจากพระราชดำริฯ โดยการวัดฤทธิ์การยับยั้งเอนไซม์ glucosidase ปีที่ 2 : รายงานวิจัย. จุฬาลงกรณ์มหาวิทยาลัย, 2011. https://doi.org/10.58837/chula.res.2011.37.

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จากการนำสารสกัดพืชสมุนไพรจากพื้นที่ของโครงการอนุรักษ์พันธุกรรมพืชอันเนื่องจากพระราชดำริฯ ที่มีฤทธิ์ดีในการยับยั้งเอนไซม์ α-glucosidase จำนวน 19 ตัวอย่าง 18 ต้น นำมาหาค่าความเข้มข้นของสารที่ออกฤทธิ์ยับยั้งเอนไซม์ α-glucosidase ได้ร้อยละ 50 (IC₅₀) พบว่า พืชที่มีค่า IC₅₀ ต่ำที่สุด 5 อันดับแรก คือ ขันทองพยาบท, เขลง หยี, อบเชยเทศ, ก้างปลาและกระพี้จั่น (2.48, 3.28, 3.32, 3.38 และ 3.39 มคก.ต่อมล. ตามลำดับ) ได้คัดเลือกเปลือกต้นเขลงหรือหยี นำมาสกัดแยกสารด้วยวิธี Bioassay guided fractionation สามารถแยกสารได้ 3 สาร คือ สาร DC-1, DC-2 และ DC-3 จากการพิสูจน์เอกลักษณ์ของสารทั้งสาม พบว่า สารทั้งสาม คือ fried
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2

Lippke, Florian. Mehr Krieg als Frieden? AQC Publishing, 2025. https://doi.org/10.51363/unifr.lrr.2025.006.

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Im Interview zu «bewaffneten Konflikten in den Jahren 2025–2035» beschreibt Dr. Florian Lippke neben historisch relevanten Aspekten vor allem geopolitische Allianzen, Konstellationen und potenzielle Konfliktszenarien. Auch wird die zunehmende Rolle von künstlicher Intelligenz und autonomen Technologien von ihm in den Blick genommen. Dabei weist er wiederholt auf ethische Fragen und strategische Herausforderungen für Europa hin. Trotz vieler Konflikte sei der Einsatz für Frieden unverzichtbar und dringend geboten.
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3

Galleguillos, R., M. Litt, and S. E. Rickert. Friedel Craft's synthesis and characterization of some acene quinone compounds. Office of Scientific and Technical Information (OSTI), 1987. http://dx.doi.org/10.2172/6631885.

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4

ก๊กผล, อุดม, สันติ ทิพยางค์ та วรินทร ชวศิริ. สารอัลสิโลพาธิคจากวัชพืชไทย : รายงานวิจัย. จุฬาลงกรณ์มหาวิทยาลัย, 1995. https://doi.org/10.58837/chula.res.1995.17.

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ในการเสาะหาสารอัลลิโลพาธิคจากวัชพืชไทย และพืชเศรษฐกิจ พบว่าสิ่งสกัดจากหญ้าค้อนกลอง และต้นงา แสดงฤทธิ์ในการยับยั้งการเจริญเติบโตของต้นข้าว จึงทำการสกัดแยกและใช้การทดสอบฤทธิ์การยับยั้งการเจริญเติบโตของต้นข้าวในการติดตามหาสารอัลลิโลพาธิค จากต้นงาและหย้าค้อนกลอง จากการแยกสิ่งสกัดของ ต้นงาด้วยเฮกเซน และคลอโรฟอร์มโดยวิธีคอลัมน์โครมาโทกราฟี พบสาร 7 ชนิด ได้แก่ของผสมไฮโดรคาร์บอนโซ่ตรง (C₂₉-C₃₄), ของผสเอสเทอร์โซ่ตรง (C₂₈-C₃₄), ของผสมแอลกอฮอล์โซ่ตรง (C₂₈-C₃₄), ของผสมของ campesterol, B-sitosterol และ stigmasterol, sesamin, สารประกอบประเภทเอสเทอร์ของไตรเทอร์ฟีนอยด์ และของผสมกรดโซ่ตรง (C₁₂-C₂₄) นอกจากนี้กา
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