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Dissertations / Theses on the topic 'Haliclona'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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1

Carneiro, RÃmulo Farias. "Lectinas da esponja marinha Haliclona (Soestella) caerulea." Universidade Federal do CearÃ, 2013. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=12028.

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Conselho Nacional de Desenvolvimento CientÃfico e TecnolÃgico<br>Lectinas podem ser definidas como proteÃnas/glicoporteÃnas que reconhecem carboidratos de maneira especÃfica, mas nÃo participam do metabolismo dos mesmos e nÃo pertencem a nenhuma das principais classes de imunoglobulinas. As lectinas sÃo proteÃnas ubÃquas, estando presente em todos os organismos conhecidos. Em cÃlulas animais, lectinas tÃm sido encontradas no citoplasma, no nÃcleo e associadas a membranas das mais diversas organelas e nos mais variados tipos celulares. Tais lectinas animais podem ser classificadas em famÃlias d
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2

Carneiro, Rômulo Farias. "Lectinas da esponja marinha Haliclona (Soestella) caerulea." reponame:Repositório Institucional da UFC, 2013. http://www.repositorio.ufc.br/handle/riufc/14386.

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CARNEIRO, R. F. Lectinas da esponja marinha Haliclona (Soestella) caerulea. 2013. 127 f. Dissertação (Mestrado em Bioquímica) - Centro de Ciências, Universidade Federal do Ceará, Fortaleza, 2013.<br>Submitted by Daniel Eduardo Alencar da Silva (dealencar.silva@gmail.com) on 2015-01-22T17:27:45Z No. of bitstreams: 1 2013_dis_rfcarneiro.pdf: 4260974 bytes, checksum: c0be525bfa10b20a04540ce33ef61d2e (MD5)<br>Approved for entry into archive by José Jairo Viana de Sousa(jairo@ufc.br) on 2015-12-08T21:36:29Z (GMT) No. of bitstreams: 1 2013_dis_rfcarneiro.pdf: 4260974 bytes, checksum: c0be525bfa10b
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3

Abdo, David A. "Maintenance and structuring of two temperate Haliclonid sponge populations." University of Western Australia. School of Plant Biology, 2007. http://theses.library.uwa.edu.au/adt-WU2008.0197.

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[Truncated abstract] Sponges have an invaluable ecological importance through the provision of shelter and habitat, consolidation of reefs, bio-erosion, and in benthic-pelagic coupling processes. In addition, sponges are known to be an incredible source of compounds with bio-medicinal and commercial applications. Despite their ecological and economic importance, our understanding of the processes which maintain and structure sponge populations is severely lacking compared to other sessile invertebrates (e.g. Cnidarians). This study examines the processes which help maintain and the factors whi
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4

Lachance, Daniel. "The cytology of a Haliclona oculata (Demospongiae, Haplosclerida) /." Thesis, McGill University, 1985. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=63362.

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5

Tribalat, Marie-Aude. "Métabolismes spécialisés d’éponges méditerranéennes du genre Haliclona Grant, 1836." Thesis, Université Côte d'Azur (ComUE), 2016. http://www.theses.fr/2016AZUR4072/document.

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Depuis une cinquantaine d’années, de nombreuses études ont décrit les spongiaires comme de formidables ressources de produits naturels originaux. Ces découvertes ont attisé la curiosité de nombreux scientifiques issus de domaines variés (chimie, biochimie, biologie moléculaire) qui mettent leurs connaissances en commun afin de comprendre le fonctionnement de ces animaux si particuliers. Les travaux envisagés dans ce manuscrit portent sur les éponges du genre Haliclona issu de l’ordre des Haplosclérides. En effet, ce groupe taxonomique révèle des familles de molécules très particulières, notamm
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6

Salmoun, Mostafa. "Contribution à l'étude des métabolites secondaires d'éponges des genres Hyrtios et Haliclona." Doctoral thesis, Universite Libre de Bruxelles, 2002. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/211409.

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7

Schmidt, Gesine [Verfasser], and Matthias [Akademischer Betreuer] Köck. "Secondary Metabolites in the Arctic Sponge Haliclona viscosa - Spatial and Temporal Variation / Gesine Schmidt ; Betreuer: Matthias Köck." Braunschweig : Technische Universität Braunschweig, 2010. http://d-nb.info/117582688X/34.

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8

Ahamada, Kadiria. "Stratégies biomimétiques en vue de la synthèse totale de deux substances naturelles polycycliques complexes : la bipléiophylline et l'haliclonine A." Thesis, Paris 11, 2014. http://www.theses.fr/2014PA114807/document.

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Les travaux présentés concernent dans une première partie la synthèse biomimétique d’un alcaloïde indolomonoterpénique : la bipléiophylline. La bipléiophylline est le résultat de l’assemblage complexe de deux unités indoliques identiques ancrées sur une plateforme aromatique. Une stratégie générale de synthèse biomimétique de la bipléiophylline consistant i) à la synthèse de l’unité indolique pléiocarpamine et ii) à l’oxydation de l’acide 2,3-dihydroxybenzoïque a été envisagée. L’accès au squelette complexe de la pléiocarpamine a été étudié selon plusieurs stratégies de synthèse totale mais ég
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9

Mani, Luke. "Antiplasmodial compounds from marine sponges of the Solomon Islands." Toulouse 3, 2010. http://www.theses.fr/2010TOU30280.

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Dans le cadre de la recherche de nouvelles molécules antipaludiques, une espèce d'Haliclona et quatre lots de l'éponge Aplysina ianthelliformis ont été étudiées pour fournir 22 composés, dont sept sont nouveaux 141-147. Un produit connu, l'haliclonacyclamine A 129, qui a montré ici une activité in vitro sur des souches de Plasmodium falciparum FCB1 résistantes à la chloroquine avec une CI50 de 98nM et un index de sélectivité (activité Antipalsmodiale/cytotoxicité) de 57 et 67 déterminé respectivement sur cellules MVF7 et Véro. Testée in vivo sur le modèle souris, l'haliclonacyclamine A 129 a m
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10

Pichon, Emmanuel. "Recherche de molécules naturelles bioactives issues de la biodiversité marine de la zone sud-ouest de l'océan Indien." Thesis, La Réunion, 2016. http://www.theses.fr/2016LARE0018/document.

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Les travaux de thèse présentés dans ce manuscrit portent sur l'étude de quatre éponges marines issues de la zone Sud-Ouest de l'Océan Indien : Plakortis kenyensis, Theonella swinhoei, Haliclona fascigera et Fascaplysinopsis reticulata. Les travaux entrepris comprenaient l'étude chimique de ces éponges incluant l'extraction, l'isolement et l'identification des métabolites secondaires par différentes techniques chromatographiques (CLMP, CLHP...) et spectroscopiques (UV-visible, HRMS, RMN 1D et 2D...). Douze métabolites secondaires ont été isolés de ces éponges dont six de structur
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11

Nascimento, Neto Luiz Gonzaga do. "Efeito pró-cicatrizante do triterpeno 3β,6β,16β-Trihydroxylup-20(29)-ENE (CLF-1) isolado de folhas de Combretum leprosum e atividade antitumoral de uma lectina isolada da esponja marinha Haliclona caerulea". reponame:Repositório Institucional da UFC, 2016. http://www.repositorio.ufc.br/handle/riufc/18838.

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NASCIMENTO NETO, Luiz Gonzaga do. Efeito pró-cicatrizante do triterpeno 3β,6β,16β-Trihydroxylup-20(29)-ENE (CLF-1) isolado de folhas de Combretum leprosum e atividade antitumoral de uma lectina isolada da esponja marinha Haliclona caerulea. 2016. 222 f. Tese (Doutorado em biotecnologia)- Universidade Federal do Ceará, Fortaleza-CE, 2016.<br>Submitted by Elineudson Ribeiro (elineudsonr@gmail.com) on 2016-07-20T15:18:55Z No. of bitstreams: 1 2016_tese_lgnascimentoneto.pdf: 22046344 bytes, checksum: 600f128ecb5cd0e1955d6d9c7d1c643d (MD5)<br>Approved for entry into archive by José Jairo Viana de
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12

Neto, Luiz Gonzaga do Nascimento. "Efeito prÃ-cicatrizante do triterpeno 3β,6β,16β-Trihydroxylup-20(29)-ENE (CLF-1) isolado de folhas de Combretum leprosum e atividade antitumoral de uma lectina isolada da esponja marinha Haliclona caerulea." Universidade Federal do CearÃ, 2016. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=17111.

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CoordenaÃÃo de AperfeÃoamento de Pessoal de NÃvel Superior<br>The number of cases of morbidity and mortality in patients with chronic wounds has increasing every year. In this sense, wound healing has become one the major dermatological problems. Secondary metabolites from plants have been used in several assays as promising molecules on various diseases attracted importance on treatment of various diseases. However, there are few data about it effect on wound healing. Combretum leprosum Mart. is a native species of the Caatinga and its ethanolic extract is commonly used as a healing agent, as
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13

Silva, Renata Biegelmeyer da. "Prospecção química de esponjas marinhas e bioensaios relacionados às atividades anticâncer in vitro e de defesa em modelo zebrafish." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2013. http://hdl.handle.net/10183/143868.

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A descoberta de fármacos a partir de produtos isolados de organismos marinhos tem apresentado um grande crescimento nos últimos anos, principalmente devido aos avanços tecnológicos analíticos, síntese química e biotecnologia. Dentre estes, as esponjas representam uma das principais fontes de metabólitos protótipos para diversas atividades, destacando-se os efeitos antitumorais. Neste contexto, este trabalho teve como objetivo a investigação química e biológica de três esponjas coletadas na costa sul-brasileira: Haliclona tubifera, Polymastia janeirensis e Scopalina ruetzleri. Considerando a co
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14

Sousa, Andrea Leal de. "Estudos visando a construção de sistemas 6-Aza-[4. 5. 0]-espirobiciclodecano : aplicação na sintese de haliclorina e analogos." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/249279.

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Orientador: Ronaldo Aloise Pilli<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Quimica<br>Made available in DSpace on 2018-08-08T12:27:57Z (GMT). No. of bitstreams: 1 Sousa_AndreaLealde_D.pdf: 4710314 bytes, checksum: f350442966dde606dde2ff354606b251 (MD5) Previous issue date: 2006<br>Resumo: Os alcalóides marinhos haliclorina (1), ácido pináico (2) e ácido tauropináico (3), isolados, por D. Uemura e colaboradores em 1996, apresentam em comum um sistema 6-aza-[4.5.0]-espirobiciclodecano. A atividade biológica da haliclorina (1) está relacionada com a inibição de moléc
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15

McGhee, Katie E. "The roles of allorecognition and larval interactions in the fusion of swimming sponge larvae." 2003. http://etd.lib.fsu.edu/theses/available/etd-09182003-144532.

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Thesis (M.S.)--Florida State University, 2003.<br>Advisor: Dr. Don Levitan, Florida State University, College of Arts and Sciences, Dept. of Biological Science. Title and description from dissertation home page (viewed Apr. 7, 2004). Includes bibliographical references.
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16

Timm, Christoph [Verfasser]. "3-Alkylpyridinalkaloide aus dem Schwamm Haliclona viscosa / von Christoph Timm." 2008. http://d-nb.info/987346962/34.

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