Relevant bibliographies by topics / Polyenen

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
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Academic literature on the topic 'Polyenen'

Author: Grafiati
Published: 4 June 2021
Last updated: 28 July 2025

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Journal articles on the topic "Polyenen"

1

Otto, André. "Kekule-Strukturen in Di-Polyenen." Zeitschrift für Chemie 27, no. 9 (2010): 342–43. http://dx.doi.org/10.1002/zfch.19870270917.

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Loeschcke, I., J. Friedrich, and P. Lutgen. "XPS-Untersuchungen von im H2-Plasma erzeugten Polyenen in PVC." Acta Polymerica 41, no. 10 (1990): 553–54. http://dx.doi.org/10.1002/actp.1990.010411011.

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Rao, T. Venu Gopala, Akhilesh Trivedi, and Rajendra Prasad. "Phospholipid enrichment of Saccharomyces cerevisiae and its effect on polyene sensitivity." Canadian Journal of Microbiology 31, no. 4 (1985): 322–26. http://dx.doi.org/10.1139/m85-061.

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Sensitivity to polyene antibiotics, e.g., nystatin, amphotericin B, and filipin, was determined in phosphatidylcholine (PC) or phosphatidylethanolamine (PE) or phosphatidylserine (PS) enriched Saccharomyces cerevisiae cells, using glutamic acid, phenylalanine, glycine, and lysine transport as an index of polyene antibiotic action. As compared with normal cells, phospholipid-enriched cells acquired resistance towards different polyenes. However, the sensitivity of glutamic acid transport towards nystatin remained unaffected in PC-, PE-, or PS-enriched cells. In contrast to nystatin, the other t
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Carolus, Hans, Siebe Pierson, Katrien Lagrou, and Patrick Van Dijck. "Amphotericin B and Other Polyenes—Discovery, Clinical Use, Mode of Action and Drug Resistance." Journal of Fungi 6, no. 4 (2020): 321. http://dx.doi.org/10.3390/jof6040321.

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Although polyenes were the first broad spectrum antifungal drugs on the market, after 70 years they are still the gold standard to treat a variety of fungal infections. Polyenes such as amphotericin B have a controversial image. They are the antifungal drug class with the broadest spectrum, resistance development is still relatively rare and fungicidal properties are extensive. Yet, they come with a significant host toxicity that limits their use. Relatively recently, the mode of action of polyenes has been revised, new mechanisms of drug resistance were discovered and emergent polyene resista
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BOGENSCHÜTZ, H., W. KNAUF, E. J. TRÖGER, H. J. BESTMANN, and O. VOSTROWSKY. "Pheromone 491: Freilandfänge von Geometriden-Männchen mit C19-Polyenen in Kiefernbeständen." Zeitschrift für Angewandte Entomologie 100, no. 1-5 (2009): 349–54. http://dx.doi.org/10.1111/j.1439-0418.1985.tb02790.x.

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Pekmezovic, Marina, Melina Kalagasidis Krusic, Ivana Malagurski, et al. "Polyhydroxyalkanoate/Antifungal Polyene Formulations with Monomeric Hydroxyalkanoic Acids for Improved Antifungal Efficiency." Antibiotics 10, no. 6 (2021): 737. http://dx.doi.org/10.3390/antibiotics10060737.

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Novel biodegradable and biocompatible formulations of “old” but “gold” drugs such as nystatin (Nys) and amphotericin B (AmB) were made using a biopolymer as a matrix. Medium chain length polyhydroxyalkanoates (mcl-PHA) were used to formulate both polyenes (Nys and AmB) in the form of films (~50 µm). Thermal properties and stability of the materials were not significantly altered by the incorporation of polyenes in mcl-PHA, but polyene containing materials were more hydrophobic. These formulations were tested in vitro against a panel of pathogenic fungi and for antibiofilm properties. The films
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Šebelík, Václav, Miroslav Kloz, Mateusz Rebarz, et al. "Spectroscopy and excited state dynamics of nearly infinite polyenes." Physical Chemistry Chemical Physics 22, no. 32 (2020): 17867–79. http://dx.doi.org/10.1039/d0cp02465a.

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Ngece, Kwanele, Thabisa L. Ntondini, Vuyolwethu Khwaza, Athandwe M. Paca, and Blessing A. Aderibigbe. "Polyene-Based Derivatives with Antifungal Activities." Pharmaceutics 16, no. 8 (2024): 1065. http://dx.doi.org/10.3390/pharmaceutics16081065.

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Polyenes are a class of organic compounds well known for their potent antifungal properties. They are effective due to their ability to target and disrupt fungal cell membranes by binding to ergosterol and forming pores. Despite their effectiveness as antifungal drugs, polyenes have several limitations, such as high toxicity to the host cell and poor solubility in water. This has prompted ongoing research to develop safer and more efficient derivatives to overcome such limitations while enhancing their antifungal activity. In this review article, we present a thorough analysis of polyene deriv
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Langler, Richard F. "Monocyclic Electrocyclic Transition States are Neither Favoured Nor Disfavoured if the Incipient Ring Bears More Than Two Odd Substituents." Australian Journal of Chemistry 63, no. 9 (2010): 1402. http://dx.doi.org/10.1071/ch10165.

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A general case is presented that supports the conclusion that incipient π-bond orders, op1,j, are approximately zero if the incipient alternant ring bears more than two odd substituents. Hence, corresponding electrocyclic transition states are neither favoured nor disfavoured. The case is made using permethylene polyenes. After presentation of the novel application of dense Sachs’ subgraphs to the problem of convenient, rapid access to permethylene polyene characteristic polynomials, permethylene polyenes are shown to belong to the newly defined Hückel symmetrenes. Employing novel expressions
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Baghirova, A. A., and Kh M. Kasumov. "Antifungal macrocycle antibiotic amphotericin B — its present and future. Multidisciplinary perspective for the use in the medical practice." Biomeditsinskaya Khimiya 67, no. 4 (2021): 311–22. http://dx.doi.org/10.18097/pbmc20216704311.

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This review is devoted to a broad analysis of the results of studies of the effect of macrocyclic antifungal polyene antibiotic amphotericin B on cell membranes. A multi-prolonged study of polyenes showed that some of them can have not only antifungal, but also antiviral and antitumor action. Fungal pathology develops especially quickly and in this case leads to invasive aspergillosis, which contributes to the complication of coronavirus infection in the lungs and even secondary infection with invasive aspergillosis in the context of a global pandemic. The treatment of an invasive form of bron
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Dissertations / Theses on the topic "Polyenen"

1

Ebenezer, Warren James. "Synthesis with polyenes and polyene epoxides." Thesis, University of Nottingham, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315064.

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Madden, Katrina Sophie. "Synthesis of polyene natural products." Thesis, Durham University, 2017. http://etheses.dur.ac.uk/12052/.

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A convergent approach was applied to the synthesis of a range of Xanthomonas pigments and a number of selected analogues, with a view to understanding more about their photoprotective properties, and utilising the group’s iterative Heck-Mizoroki/ iododeboronation cross-coupling methodology to access polyenyl intermediates. This involved the synthesis of a number of key arenyl building blocks. Three polyenyl building blocks were accessed via sequential Heck-Mizoroki and iododeboronation reactions, providing flexibility in the construction of the pigments and their analogues. Following some opti
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Charoenying, Patchanee. "Pyrylium-based routes to conjugated polyenes." Thesis, University of York, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.337655.

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Butler, A. R. "Genetic studies on polyene producing streptomycete." Thesis, University of Nottingham, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383795.

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Soleymanzadeh, Fariba. "Tandem synthesis of polysubstituted olefins an approach toward the first total synthesis of astaxanthin [beta]-D-diglucoside /." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0018/MQ59205.pdf.

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Wachsmann-Hogiu, Sebastian. "Vibronic coupling and ultrafast electron transfer studied by picosecond time resolved resonance Raman and CARS spectroscopy." Doctoral thesis, [S.l. : s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=960830898.

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Twiddle, Steven John Robert. "The stereoselective synthesis of polyene natural products." Thesis, Durham University, 2005. http://etheses.dur.ac.uk/2771/.

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A strategy for the stereocontrolled synthesis of polyene units was developed which centred around the chemistry of the vinyl boronate ester 4,4,6-trimethyl-2-vinyl-l,3,2- dioxaborinane 123. Reaction conditions have been developed to allow the Heck coupling of 123 with a range of aryl and alkenyl electrophiles. The reaction is promoted by cationic palladium species which can be generated through the addition of metal salts to the reaction mixture. Conversely conditions have also been developed which allows 123 to react exclusively at the boron functionality along the Suzuki-Miyaura pathway, the
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Simonian, Houri. "Acyl radical mediated polyene cyclisations in synthesis." Thesis, University of Nottingham, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.307815.

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Terapane, Michael John. "The study of electron transfer in unique organic systems." Diss., Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/28002.

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Walczak, Matthew C. "Total Synthesis Of Polyene Natural Products Lucilactaene And Gymnoconjugatin: Development Of A Boron-Tin Linchpin." Columbus, Ohio : Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1206036742.

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Books on the topic "Polyenen"

1

Krauthäuser, Susanne. Thermodynamische Racematspaltung von Polyenen über diastereomere Rhodium(I)-Komplexe. [s.n.], 1996.

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2

Stuttgart, Universität, ed. Optische Untersuchungen an endständig substituierten Polyenen: Selektive Anregbarkeit und intramolekularer Energietransport. [s.n.], 1988.

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Browne, David. Synthesis and structure of some organometallic polyene and polyeneyl derivatives. University College Dublin, 1998.

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Zvi, Rappoport, ed. The chemistry of dienes and polyenes. Wiley, 1997.

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Rappoport, Zvi, ed. The Chemistry of Dienes and Polyenes. John Wiley & Sons, Ltd, 1997. http://dx.doi.org/10.1002/0470857218.

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Rappoport, Zvi, ed. The Chemistry of Dienes and Polyenes. John Wiley & Sons, Ltd, 2000. http://dx.doi.org/10.1002/0470857226.

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Kontodēmos, Kōstas. Siga ton polyeleo: Mythistorēma. ekdoseis Delphini, 1993.

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8

1935-, Spiro Thomas G., ed. Resonance Raman spectra of polyenes and aromatics. Wiley, 1987.

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9

Tobe, Y. Aromatic ring assemblies, polycyclic aromatic hydrocarbons, and conjugated polyenes. Thieme, 2008.

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10

Harben, Spencer M. Synthesis of conjugated polyenes via palladium-catalysed cross-coupling reactions. University of East Anglia, 1991.

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Book chapters on the topic "Polyenen"

1

Gooch, Jan W. "Polyene." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_14532.

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Groll, Andreas H., and Thomas J. Walsh. "Antifungal Polyenes." In Aspergillus fumigatus and Aspergillosis. ASM Press, 2014. http://dx.doi.org/10.1128/9781555815523.ch30.

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Müller, Robert K. "Polyene Synthons." In Carotenoids. Birkhäuser Basel, 1996. http://dx.doi.org/10.1007/978-3-0348-9323-7_8.

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Jamal, Janattul-Ain, and Jason A. Roberts. "Polyene Antifungals." In Drug Dosing in Obesity. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-44034-7_10.

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Müller-Philipp, Susanne, and Hans-Joachim Gorski. "Polyeder." In Leitfaden Geometrie. Vieweg+Teubner Verlag, 2004. http://dx.doi.org/10.1007/978-3-322-93923-4_2.

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Müller-Philipp, Susanne, and Hans-Joachim Gorski. "Polyeder." In Leitfaden Geometrie. Vieweg+Teubner Verlag, 2001. http://dx.doi.org/10.1007/978-3-322-96841-8_2.

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Benölken, Ralf, Hans-Joachim Gorski, and Susanne Müller-Philipp. "Polyeder." In Leitfaden Geometrie. Springer Fachmedien Wiesbaden, 2018. http://dx.doi.org/10.1007/978-3-658-23378-5_2.

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Leopold, Cornelie. "POLYEDER." In Geometrische Grundlagen der Architekturdarstellung. Springer Fachmedien Wiesbaden, 2015. http://dx.doi.org/10.1007/978-3-658-07846-1_6.

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Leopold, Cornelie. "POLYEDER." In Geometrische Grundlagen der Architekturdarstellung. Vieweg+Teubner Verlag, 2011. http://dx.doi.org/10.1007/978-3-8348-1986-4_6.

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Hochstättler, Winfried. "Polyeder." In Lineare Optimierung. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54425-9_4.

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Conference papers on the topic "Polyenen"

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Runser, Claude, Marguerite Barzoukas, Alain Fort, Mireille Blanchard-Desce, and Jean-Marie Lehn. "Push-pull polyenes with enhanced quadratic nonlinear susceptibilities." In The European Conference on Lasers and Electro-Optics. Optica Publishing Group, 1994. http://dx.doi.org/10.1364/cleo_europe.1994.cwf42.

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Organic molecules have been extensively studied in view of their potential applications for second-harmonic generation and electrooptic modulation in nonlinear optics.1 Molecules bearing a donor- acceptor (or push-pull) substituted π electron system can yield significant quadratic hyperpolarizabilities β. In addition, early experimental studies on para disubstituted polyenic systems have shown superlinear dependences of β with the length of the conjugation path linking the electron-donating and electron-accepting end groups.2−4 Also semiempirical calculations conducted on two series of push-pu
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Bourhill, Grant, Jean-Luc Brédas, Lap-Tak Cheng, et al. "Optimization of the First and Second Hyperpolarizabilities of Organic Dyes." In Organic Thin Films for Photonic Applications. Optica Publishing Group, 1993. http://dx.doi.org/10.1364/otfa.1993.wc.1.

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We have been attempting to correlate hyperpolarizabilities with bond-length alternation (BLA), which is defined as the difference in the average length between adjacent carbon-carbon bonds in a polymethine ((CH)n) chain.(1, 2) Polyenes have alternating double and single bonds (bond length equal to 1.34 Å and 1.45 Å, respectively), and thus show a high degree of bond-length alternation (BLA=-0.11Á). In donor-acceptor polyenes, this parameter is related to the degree of ground-state polarization in the molecule. To better understand this correlation, it is illustrative to discuss the wave functi
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Ohta, Kaoru, Yukito Naitoh, Keisuke Tominaga, Noboru Hirota, and Keitaro Yoshihara. "The photochemical dynamics of trans-1,3,5-hexatriene in solution investigated by the ultrafast transient absorption spectroscopy." In International Conference on Ultrafast Phenomena. Optica Publishing Group, 1996. http://dx.doi.org/10.1364/up.1996.fe.19.

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The photophysical and photochemical dynamics of small linear polyenes is a subject of current interest since these molecules play important roles in the biological systems. However, the excited state dynamics of small polyenes have not been well understood because these molecules exhibit no fluorescence and give only broad absorption spectra even in the low temperature matrices and supersonic expansions. It has been considered that after the photoexcitation, the lifetimes of the initial excited states of small linear polyenes are extremely short and the immediate transfer to the other dark ele
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Cooper, Thomas M., Laura A. Sowards, Lalgudi V. Natarajan, et al. "Spectroscopic investigations of dithienyl polyenes." In SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, edited by Christopher M. Lawson. SPIE, 1999. http://dx.doi.org/10.1117/12.363877.

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Wu, C. Q., and X. Sun. "Electron-hole interaction in a polyene." In International Conference on Science and Technology of Synthetic Metals. IEEE, 1994. http://dx.doi.org/10.1109/stsm.1994.834860.

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Natarajan, Lalgudi V., Richard L. Sutherland, Mark G. Schmitt, et al. "Optical limiting in solutions of dithienyl polyenes." In OE/LASE'93: Optics, Electro-Optics, & Laser Applications in Science& Engineering, edited by Peter M. Rentzepis. SPIE, 1993. http://dx.doi.org/10.1117/12.144051.

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Rohlfing, F., D. D. C. Bradley, J. Cornil та ін. "Linear and Nonlinear Spectroscopy of β-Carotene and Other Oligo-polyenes: Experimental and Theoretical Studies". У Organic Thin Films for Photonic Applications. Optica Publishing Group, 1995. http://dx.doi.org/10.1364/otfa.1995.mc.1.

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Tang, Nansheng, Jouni P. Partanen, Robert W. Hellwarth, et al. "Studies of optical nonlinearity in bis-thienyl polyenes." In SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, edited by Gustaaf R. Moehlmann. SPIE, 1994. http://dx.doi.org/10.1117/12.187514.

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Marsh, Richard J., Nicholas D. Leonczek, Daven A. Armoogum, et al. "Stimulated emission depletion dynamics in push-push polyenes." In Optical Science and Technology, the SPIE 49th Annual Meeting, edited by David L. Andrews, Guozhong Z. Cao, and Zeno Gaburro. SPIE, 2004. http://dx.doi.org/10.1117/12.564433.

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Fleitz, P. A., N. C. Fernelius, T. Pottenger, et al. "Degenerate four-wave mixing in solutions of diphenyl polyenes." In OSA Annual Meeting. Optica Publishing Group, 1991. http://dx.doi.org/10.1364/oam.1991.fj3.

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Recently, optical limiting has been demonstrated in solutions of diphenyl polyenes, and χ(3) values an order of magnitude larger than CS2 have been measured.1 In this report, degenerate four-wave mixing (DFWM) has been used to investigate the origin of the nonlinear response in solutions of diphenyl polyenes. The DFWM measurements were made using a frequency doubled Q-switched Nd: YAG laser producing 7 nsec pulses at 532 nm. The temporal profile of the phase-conjugate signal observed contains two features separated by ~5 ns. These results indicate that the nonlinear response of these materials
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Reports on the topic "Polyenen"

1

Schrock, R. R. Controlled synthesis of polyenes by catalytic methods. Office of Scientific and Technical Information (OSTI), 1990. http://dx.doi.org/10.2172/6189491.

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Schrock, R. R. Controlled synthesis of polyenes by catalytic methods. Progress report, December 1, 1992--November 30, 1993. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/10108151.

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Schrock, R. R. Controlled synthesis of polyenes by catalytic methods. Progress report, December 1, 1989--November 30, 1992. Office of Scientific and Technical Information (OSTI), 1992. http://dx.doi.org/10.2172/10152711.

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Nwokogu, Godson C., and Samuel A. Simpson. Design, Synthesis and Evaluation of Organic Non-linear Optical Chromophores with Configurationally and Conformationally Locked Polyene Bridges. Defense Technical Information Center, 2002. http://dx.doi.org/10.21236/ada407110.

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Schrock, R. R. Controlled Synthesis of Polyenes by Catalytic Methods. Progress Report for the period December 1, 1989 - November 30, 1992. Office of Scientific and Technical Information (OSTI), 1992. http://dx.doi.org/10.2172/5225994.

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