Academic literature on the topic 'Algue'

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Journal articles on the topic "Algue"

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Butor, Nicolas. "Algue-champignon, une symbiose inédite." Pour la Science N° 504 - octobre, no. 10 (2019): 14. http://dx.doi.org/10.3917/pls.504.0014.

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Marsat, J., and V. De Luca. "Imagerie de la pancreatite algue." Journal de Radiologie 89, no. 10 (2008): 1347. http://dx.doi.org/10.1016/s0221-0363(08)76043-8.

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Bellin, Isabelle. "Le règne végétal bouleversé par une algue ?" Pour la Science N° 543 – Janvier, no. 1 (2023): 15b. http://dx.doi.org/10.3917/pls.543.0015b.

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Salem, R., H. Bdiri, C. Hafsa, et al. "RP-WP-11 Echo-doppler de l’appendicite algue." Journal de Radiologie 88, no. 10 (2007): 1593. http://dx.doi.org/10.1016/s0221-0363(07)81964-0.

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Mamet, Bernard. "Pseudokulikia, une algue verte nouvelle du viséen Marocain." Revue de Micropaléontologie 40, no. 4 (1997): 331–38. http://dx.doi.org/10.1016/s0035-1598(97)90674-7.

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Wollman, FA, and J. Girard-Bascou. "Une algue pour l'étude de la génétique des organites:Chlamydomonas reinhardti." médecine/sciences 10, no. 11 (1994): I. http://dx.doi.org/10.4267/10608/2557.

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Abdallah Kolsi, Rihab Ben, Boulbaba Kolsi, Abdelfateh Fki, Lotfi Fki, and Karima Belghith. "Effets hypocholestérolémiant et antioxydant d’une algue brune des côtes tunisiennes." Diabetes & Metabolism 43, no. 2 (2017): A99. http://dx.doi.org/10.1016/s1262-3636(17)30391-9.

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Schauvliege, J., C. Capel, R. Bouzerar, et al. "Apport du tenseur de diffusion dans la souffrance fœtale algue." Journal de Radiologie 89, no. 10 (2008): 1490. http://dx.doi.org/10.1016/s0221-0363(08)76560-0.

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Cagliari, Antonietta Cherchi, and Rolf Schroeder. "Nouvelles observations sur Goniolina hexagona d’Orbigny Algue Dasycladale du Kimméridgien." Paläontologische Zeitschrift 67, no. 3-4 (1993): 239–44. http://dx.doi.org/10.1007/bf02990277.

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Nicod, François, François Tillequin, and Jacqueline Vaquette. "Métabolite Halogéné Nouveau, Substance Majoritaire de Ptilonia magellanica, Algue Rhodophycée." Journal of Natural Products 50, no. 2 (1987): 259–60. http://dx.doi.org/10.1021/np50050a029.

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Dissertations / Theses on the topic "Algue"

1

Feyfeux, Corinne. "Les algues en alimentation humaine." Paris 5, 1988. http://www.theses.fr/1988PA05P115.

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Creis, Emeline. "Etude de la voie de biosynthèse des phlorotannins chez les algues brunes, de la caractérisation biochimique d'enzymes recombinantes à l'étude des réponses écophysiologiques." Thesis, Paris 6, 2015. http://www.theses.fr/2015PA066095/document.

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Les phlorotannins, polymères du phloroglucinol, sont des composés phénoliques (CP) uniquement retrouvés chez les algues brunes (Phéophycées). Ces métabolites présentant des activités anti-oxydantes, interviendraient dans la formation de la paroi, mais à ce jour leur voie de biosynthèse reste non élucidée. L'annotation du génome de l'algue brune Ectocarpus, a permis d'identifier des gènes homologues codant pour des enzymes de la biosynthèse des CP chez les plantes terrestres. Une polyketide synthase de type III (PKSIII), a été caractérisée: elle synthétise le phloroglucinol. La recherche d'autres cibles a été poursuivie sur des gènes codant pour des chalcone-isomérases-like (CHIL), ainsi que pour des phénol-sulfotransférases homologues d'enzymes de sulfatation des flavonoïdes. Les CHIL se sont révélées être des fatty acid binding protein (FAP) impliquées dans le métabolisme des acides gras. L'intérêt pour cette nouvelle famille a justifié leur caractérisation biochimique puis fonctionnelle par complémentation de mutants FAP d'Arabidopsis thaliana. L'élucidation progressive des voies de biosynthèse des phlorotannins a servi de base pour étudier les mécanismes de régulation de ce métabolisme chez les Phaeophycées. En combinant des approches intégrées d'expression de gènes cibles, de dosages et de profilages de phlorotannins solubles, nous avons pu montrer que ces composés assurent une protection constitutive chez Fucus vesiculosus en réponse aux UV-B, et que leur métabolisme serait induit très précocement au cours de l'herbivorie. Le développement d'outils moléculaires spécifiques de ces voies métaboliques, ouvre de nouvelles perspectives en écophysiologie et en écologie<br>Phlorotannins are polymers of phloroglucinol that are specific phenolic compounds of brown algae (Phaeophyceae). These metabolites present antioxidant activities and are potentially involved in the formation of cell-walls but their biosynthetic pathway is currently uncharacterized. The genome annotation of the brown algae Ectocarpus provided some information about conserved genes which are implicated in the synthesis of phenolics in terrestrial plants. One polyketide synthase of type III (PKSIII) has been successfully characterized: it produces phloroglucinol. The search for other targets has been pursued in brown algae focusing mainly on chalcone isomerase-like (CHI-like) genes, as well as on phenol-sulfotransferases, which are implicated in the sulfation of flavonoids. The characterization of CHIL has revealed their implication in fatty acid binding (FAP). However, the level of interest for this new family has led to their biochemical characterization and to functional studies by complementation of gene in the Arabidopsis thaliana FAP mutant. The progressive elucidation of the phlorotannin biosynthesis pathway has been used in order to discover mechanisms which regulate this metabolism in brown algae. By combining integrated approaches of gene expression profiling with the quantification and profiling of soluble phlorotannins, we have shown that these metabolites ensure the constitutive protection in Fucus vesiculosus against UV-B radiation and could also be induced as a very early response to grazing. The development of specific molecular tools for this metabolic pathway opens some news perspectives in ecophysiological and ecological studies
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Creis, Emeline. "Etude de la voie de biosynthèse des phlorotannins chez les algues brunes, de la caractérisation biochimique d'enzymes recombinantes à l'étude des réponses écophysiologiques." Electronic Thesis or Diss., Paris 6, 2015. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2015PA066095.pdf.

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Les phlorotannins, polymères du phloroglucinol, sont des composés phénoliques (CP) uniquement retrouvés chez les algues brunes (Phéophycées). Ces métabolites présentant des activités anti-oxydantes, interviendraient dans la formation de la paroi, mais à ce jour leur voie de biosynthèse reste non élucidée. L'annotation du génome de l'algue brune Ectocarpus, a permis d'identifier des gènes homologues codant pour des enzymes de la biosynthèse des CP chez les plantes terrestres. Une polyketide synthase de type III (PKSIII), a été caractérisée: elle synthétise le phloroglucinol. La recherche d'autres cibles a été poursuivie sur des gènes codant pour des chalcone-isomérases-like (CHIL), ainsi que pour des phénol-sulfotransférases homologues d'enzymes de sulfatation des flavonoïdes. Les CHIL se sont révélées être des fatty acid binding protein (FAP) impliquées dans le métabolisme des acides gras. L'intérêt pour cette nouvelle famille a justifié leur caractérisation biochimique puis fonctionnelle par complémentation de mutants FAP d'Arabidopsis thaliana. L'élucidation progressive des voies de biosynthèse des phlorotannins a servi de base pour étudier les mécanismes de régulation de ce métabolisme chez les Phaeophycées. En combinant des approches intégrées d'expression de gènes cibles, de dosages et de profilages de phlorotannins solubles, nous avons pu montrer que ces composés assurent une protection constitutive chez Fucus vesiculosus en réponse aux UV-B, et que leur métabolisme serait induit très précocement au cours de l'herbivorie. Le développement d'outils moléculaires spécifiques de ces voies métaboliques, ouvre de nouvelles perspectives en écophysiologie et en écologie<br>Phlorotannins are polymers of phloroglucinol that are specific phenolic compounds of brown algae (Phaeophyceae). These metabolites present antioxidant activities and are potentially involved in the formation of cell-walls but their biosynthetic pathway is currently uncharacterized. The genome annotation of the brown algae Ectocarpus provided some information about conserved genes which are implicated in the synthesis of phenolics in terrestrial plants. One polyketide synthase of type III (PKSIII) has been successfully characterized: it produces phloroglucinol. The search for other targets has been pursued in brown algae focusing mainly on chalcone isomerase-like (CHI-like) genes, as well as on phenol-sulfotransferases, which are implicated in the sulfation of flavonoids. The characterization of CHIL has revealed their implication in fatty acid binding (FAP). However, the level of interest for this new family has led to their biochemical characterization and to functional studies by complementation of gene in the Arabidopsis thaliana FAP mutant. The progressive elucidation of the phlorotannin biosynthesis pathway has been used in order to discover mechanisms which regulate this metabolism in brown algae. By combining integrated approaches of gene expression profiling with the quantification and profiling of soluble phlorotannins, we have shown that these metabolites ensure the constitutive protection in Fucus vesiculosus against UV-B radiation and could also be induced as a very early response to grazing. The development of specific molecular tools for this metabolic pathway opens some news perspectives in ecophysiological and ecological studies
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Marquet, Emmanuel. "Les algues des côtes françaises : étude particulière de celles intervenant dans la pollution des sites et des coquillages." Paris 5, 1999. http://www.theses.fr/1999PA05P095.

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DELPHIN, ESTELLE. "Photoregulation de l'appareil photosynthetique d'une algue rouge unicellulaire, rhodella violacea." Paris 6, 1997. http://www.theses.fr/1997PA066769.

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Les effets a court terme de variations de la qualite de la lumiere sont etudies chez une algue rouge. En fonction de sa longueur d'onde, la lumiere peut faire fonctionner preferentiellement le photosysteme i (psi) ou le photosysteme ii (psii). Ce desequilibre conduit a des adaptations appelees transitions d'etat, se manifestant par des variations de fluorescence : la lumiere absorbee surtout par le psii induit une diminution de la fluorescence du psii par rapport a celle du psi et la lumiere absorbee surtout par le psi, produit l'effet inverse. Chez les plantes superieures, ces regulations sont controlees par l'etat d'oxydoreduction de la plastoquinone et la phosphorylation de l'antenne collectrice d'energie du psii, et conduisent a une redistribution de l'energie entre le psii et le psi. Chez r. Violacea, nos resultats montrent que le mecanisme gouvernant ces adaptations est different de celui des plantes superieures. Des variations de la fluorescence du psii sans variation concomitante de la fluorescence du psi suggerent que l'illumination preferentielle du psi ou du psii n'entraine pas de redistribution de l'energie absorbee. Nous avons demontre que de reactions de phosphorylations ne sont pas impliquees dans les adaptations observees. Nous avons mis en evidence que la diminution de fluorescence du psii est induite par un gradient de protons transmembranaire genere pendant l'illumination, et non par la reduction de la plastoquinone : toutes les conditions, lumineuses ou chimiques, permettant le maintien d'un ph entrainent un declin de fluorescence et la relaxation de cet etat se produit quand le ph est annule, independamment du niveau d'oxydoreduction de la plastoquinone. Nous proposons que chez les algues rouges, tout exces de ph au-dela des capacites de dissipation par l'activite de l'atp synthase, devient un signal de regulation.
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Robin, Caroline. "Les algues alimentaires et un nouveau moyen de les conserver : le salage." Bordeaux 2, 1991. http://www.theses.fr/1991BOR2P082.

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Nascimento, Antônia Sâmia Fernandes do. "Lectines recombinantes d'algues rouges marines Hypnea musciformis (Wulfen) J.V. Lamouroux et Bryothamnion triquetrum (S.G. Gmelin) M. Howe : production hétérologue et caractérisation biochimique." Thesis, Grenoble, 2014. http://www.theses.fr/2014GRENV052/document.

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Les gènes synthétiques des lectines des algues marines rouges Hypnea musciformis (HML) et Bryothamnion triquetrum (BTL) ont été clonés dans différents vecteurs et transformés dans plusieurs souches bactériennes d’expression. Les lectines recombinantes ont été obtenues dans la fraction soluble de cultures bactérienne dans les souches d’Escherichia coli Rosettagami 2 (DE3) pour rHML et BL21 (DE3) pour rBTL. Les tests d'hémagglutination ont montré que rHML et rBTL sont capables d’agglutiner les érythrocytes de lapin avec un bon pouvoir hémagglutinant mais seulement après traitement à la trysine et la papaine indiquant que leur ligands ne sont pas directement accessibles à la surface des hématies. Les propriétés hémagglutinantes de rHML et de rBTL confirment le repliement correct et l'état fonctionnel des protéines. La caractérisation de leur spécificité sur puces à sucres a montré une spécificité stricte de HML, BTL et rBTL pour les oligosaccharides complexes comportant la fucosylation (α1-6) du noyau, avec une préférence particulière pour les N-glycanes non bissectés, bi- et tri-antennés de chaîne courte. La présence d’acide sialique à l'extrémité non réductrice du glycane favorise la reconnaissance de ces glycanes. C'est la première caractérisation des lectines d’algues rouges par puce à sucres. Des expériences de STD-RMN menées sur BTL, ont montré son interaction avec un octasaccharide au niveau de noyau fucosylé (α1-6). L'activité toxique des lectines sauvages et recombinantes a été évaluée contre Artemia sp. et contre des cellules d'adénocarcinome du poumon (A549). Dans les essais de cytoxicité, HML, rHML, BTL et rBTL n’ont montré aucune toxicité contre Artemia sp. et seulement HML et rHML ont montré une cytotoxicité faibles contre les cellules d’adénocarcinome du poumon (A549). Le premier cristal de rBTL a été obtenu à l'aide d'un robot de cristallisation et diffractait à 15 Å<br>Synthetic genes from the red marine algae Hypnea musciformis (HML) and Bryothamnion triquetrum (rBTL) were cloned into different vectors and transformed into several bacterial expression strains. The recombinant lectins were obtained from the soluble fraction of bacterial cultures using Escherichia coli Rosettagami 2 (DE3) strain for rHML and E. coli BL21 (DE3) strain for rBTL. Haemagglutination tests showed that rHML and rBTL are able to agglutinate rabbit erythrocytes with strong haemagglutination activity only after treatment with papain and trysine indicating that their ligands are not directly accessible at the cell surface. The haemagglutinating properties of rHML and rBTL confirm the correct folding and functional state of the proteins. A study of the specificity of these lectins by glycan array was conducted. HML, BTL and rBTL showed a restricted specificity for complex N-glycans with core (α1-6) fucose. A more detailed analysis of the specificity of these lectins showed a preference for non bisecting N-glycans, bi- and tri-antennary branching sugars with short chains. Addition of Sialic acid at the non-reducing end of N-glycans favors their recognition by the lectins. This is the first characterization of lectins from red algae by glycan array. An interaction between BTL and a core (α1-6) fucosylated octasaccharides was also observed by STD-NMR. The toxic activity of wild and recombinant lectins were evaluated against Artemia sp. and the human lung adenocarcinoma cell line (A549). In cytotoxicity assays, HML, rHML, BTL and rBTL showed no toxicity against Artemia sp. Only HML and rHML showed a low cytotoxic activity against cell line (A549). The first crystal of rBTL was obtained in micro-scale level using a robot and diffracted at 15 Å
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PEDEN, MICHEL. "Les medicaments issus des algues : utilisation potentielle en therapeutique humaine." Rennes 1, 1993. http://www.theses.fr/1993REN1M155.

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GHANNAM, LAHCEN. "Etude d'un systeme parabolique non lineaire modelisant la croissance d'une algue unicellulaire." Toulouse 3, 1989. http://www.theses.fr/1989TOU30106.

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Cormier, Alexandre. "Le modèle algue brune pour l'analyse fonctionnelle et évolutive du déterminisme sexuel." Thesis, Paris 6, 2015. http://www.theses.fr/2015PA066646/document.

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Les mécanismes de détermination génétique du sexe, qui requièrent la présence de régions chromosomiques non recombinantes ou bien de chromosomes sexuels, ont émergé de manière indépendante et répétée au sein de plusieurs lignées d'eucaryotes. La plupart des connaissances acquises dans ce domaine portent sur un nombre limité de groupes d'eucaryotes. La disponibilité d'une espèce modèle pour le groupe des algues brunes, Ectocarpus siliculosus, dont le génome a été séquencé, permet de disposer des outils nécessaires pour étudier ces mécanismes au sein d'une lignée phylogénétiquement éloignée des modèles classiquement étudiés. L'un des premiers défis a été d'identifier les chromosomes sexuels dans le génome d'E. siliculosus et de réaliser l'analyse comparative de ces structures. Par la suite, l'analyse de l'expression des gènes entre individus mâles et femelles à différents stades du cycle de vie a permis d'identifier les gènes différentiellement exprimés, de caractériser leurs fonctions et d'analyser leur évolution moléculaire. Les nombreuses données générées afin de réaliser ces différentes analyses ont permis de proposer une nouvelle version de l'assemblage du génome et de l'annotation structurale et fonctionnelle de l'ensemble des gènes codants et non-codants d'E. siliculosus. Ces différents travaux ont permis d'apporter une importante contribution sur les connaissances dans le domaine de l'analyse fonctionnelle et évolutive du déterminisme sexuel chez les algues brunes ainsi qu'une importante actualisation des ressources génomiques du modèle Ectocarpus<br>Genetically determined sex determination mechanisms, which are controlled by non-recombinant chromosome regions or sex chromosomes, have emerged independently and repeatedly across several eukaryotic lineages. Most of the knowledge acquired in this area has been obtained for a limited number of eukaryotic groups. The availability of a model organism for the brown algae, Ectocarpus, whose genome has been sequenced, allows the development of tools to study these mechanisms in a lineage that is phylogenetically distant from classically studied models. One of the first challenges was to identify the sex chromosomes in Ectocarpus and to carry out a comparative analysis of these genomic structures. Analysis of gene expression in males and females at different stages of the life cycle then allowed the identification of differentially expressed genes. The functions and molecular evolution of these sex-biased genes was then studied. The large amount of data generated during the course of these analyses allowed the establishment of a new version of the genome assembly and refined structural and functional annotation of both coding and non-coding genes in Ectocarpus. This work helped made a significant contribution to knowledge in the field of functional and evolutionary analysis of sex determination in brown algae and a significantly updated the genomic resources available for the model organism Ectocarpus
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Books on the topic "Algue"

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François, Doumenge, Durand-Chastel Hubert, and Toulemont Anne, eds. Spiruline, algue de vie =: Spirulina, algae of life. Institut océanographique, 1993.

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Payri, Claude Elisabeth. Algues de Polynésie française =: Algae of French Polynesia. Au Vent de Îles, Editions Tahiti, 2000.

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Gualtieri, Paolo. Algae: Anatomy, biochemistry, and biotechnology. CRC/Taylor & Francis, 2006.

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(1913-1918), Canadian Arctic Expedition, ed. Botany. Part B: Marine algae. F.A. Acland, 1997.

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Richard, Armstrong. A look inside Renewed World Energies' algae bioreactor. Knovel, 2010.

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1848-1929, MacKay A. H., and Royal Society of Canada, eds. Marine algae of New Brunswick. s.n., 1994.

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South, G. Robin. Introduction to phycology. Blackwell Scientific Publications, 1987.

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South, G. Robin. Introduction to phycology. Blackwell Scientific Publications, 1987.

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Edward, Lee Robert. Phycology. 2nd ed. Cambridge University Press, 1989.

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South, G. Robin. Introduction to phycology. Blackwell Scientific, 1987.

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Book chapters on the topic "Algue"

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Bährle-Rapp, Marina. "algue." In Springer Lexikon Kosmetik und Körperpflege. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_316.

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Musetsho, Pfano, Nirmal Renuka, Sachitra Kumar Ratha, Ismail Rawat, and Faizal Bux. "Valorization of Wastewater via Nutrient Recovery Using Algae-Based Processes." In Algae. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-7518-1_1.

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Arora, Neha, and George P. Philippidis. "Fucoxanthin Production from Diatoms: Current Advances and Challenges." In Algae. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-7518-1_10.

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Singh, Devinder, and Giovanna Gonzales-Calienes. "Liquid Biofuels from Algae." In Algae. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-7518-1_11.

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Singh, R., A. K. Upadhyay, and D. P. Singh. "UV-B Coupled Lipid Induction: A Strategy Towards Economical Biofuel Production Through Algae." In Algae. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-7518-1_12.

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Gwala, Mamta, Susmita Dutta, and Rajib Ghosh Chaudhuri. "Microalgae Mediated Nanomaterials Synthesis." In Algae. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-7518-1_13.

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Shukla, Akhilesh Kumar, Atul Kumar Upadhyay, and Lav Singh. "Algae-Mediated Biological Synthesis of Nanoparticles: Applications and Prospects." In Algae. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-7518-1_14.

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Kaur, Simranjeet, Akanksha Srivastava, Amrik S. Ahluwalia, and Yogesh Mishra. "Cyanobacterial blooms and Cyanotoxins: Occurrence and Detection." In Algae. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-7518-1_15.

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Bhardwaj, Nitika, Chitra Sharma, S. K. Mandotra, and A. S. Ahluwalia. "Potential of Golden Brown Algae in Forensic Analysis: A Review." In Algae. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-7518-1_16.

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Upadhyay, Atul Kumar, and S. K. Mandotra. "Constructed Wetland and Microalgae: A Revolutionary Approach of Bioremediation and Sustainable Energy Production." In Algae. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-7518-1_2.

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Conference papers on the topic "Algue"

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Huesemann, Michael, Scott Edmunson, Song Gao, et al. "DISCOVR: Development of Integrated Screening, Cultivar Optimization, and Verification Research." In Algae Biomass Summit. US DOE, 2020. http://dx.doi.org/10.2172/1676405.

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Xie, Shuangxi, Niandong Jiao, Steve Tung, et al. "Novel algae guiding system to robotize algae cells." In 2016 IEEE International Conference on Manipulation, Manufacturing and Measurement on the Nanoscale (3M-NANO). IEEE, 2016. http://dx.doi.org/10.1109/3m-nano.2016.7824669.

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Greene, Jonah, David Quiroz, Kenneth Reardon, Jaclyn Adkins, and Jason Quinn. "Life cycle assessment of suspended algal cultures in outdoor open pond systems: investigating carbon utilization efficiency and CO2 sourcing." In Algae Biomass Summit Virtual Conference September-October 2021. US DOE, 2022. http://dx.doi.org/10.2172/2437689.

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Benemann, John, and Braden Crowe. "Microalgae Biomass Production for Utilization of CO2 and Mitigation of Greenhouse Gas Emissions." In Algae Biomass Summit, September 14-30, 2020, virtual. US DOE, 2020. http://dx.doi.org/10.2172/2440135.

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Lane, Todd, Jerilyn Timlin, Thomas Reichardt, et al. "Towards integrated pest management for algal production systems." In Proposed for presentation at the Algae Biomass Summit in ,. US DOE, 2022. http://dx.doi.org/10.2172/2005855.

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Crowe, Braden. "Mass transfer coefficients, kL, and air-CO2 ingassing rates in 3.4 m2 and 1-acre raceway ponds." In Algae Biomass Summit, 2022, October 3-28, virtual, USA. US DOE, 2022. http://dx.doi.org/10.2172/2440137.

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Barry, Amanda. "Algal research at Sandia National Laboratories: Partnering for success." In Proposed for presentation at the Algae Biomass Organization Summit in ,. US DOE, 2021. http://dx.doi.org/10.2172/1887729.

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Kailin, Wang. "Transportation Fuel from Algae." In 7th International Conference on Education, Management, Information and Computer Science (ICEMC 2017). Atlantis Press, 2017. http://dx.doi.org/10.2991/icemc-17.2017.202.

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Kailin, Wang. "Case for Algae Biofuel." In 7th International Conference on Education, Management, Information and Computer Science (ICEMC 2017). Atlantis Press, 2017. http://dx.doi.org/10.2991/icemc-17.2017.122.

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Voskoboynikov, G. M. "The history and direction of algological research in the Barents sea." In Problems of the Arctic region. FRC KSC RAS, 2023. http://dx.doi.org/10.37614/978.5.91137.510.2.001.

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Information about the history of algological research on the coast of the Barents and the White Seas from the 19th century to the present day is presented. The first description of the algae of the Murman coast was carried out by Elena Stepanovna Zinova, who is the author of the book "Algae of Murman" (in two volumes), published in 1912. A great contribution to the systematics of algae in the northern seas was made by Anna Dmitrievna Zinova, the author of many works on the biogeography of algae, the macrophyte-algae identification guides. Currently, 190 species of macrophyte algae have been described in the Barents Sea. They are represented by: red (Rhodophyta division – 82 species), brown (Phaeophyceae class of Ochrophyta division – 72 species) and green (Chlorophyta division - 36 species) algae. The species composition of algae of the Murmansk coast is the most diverse (167 species). The presence of 241,130 tons of kelp in the Barents Sea has been shown, including 200,000 tons in the Murmansk coast, and 50,000 tons of fucus algae. The development of algae research on the Murmansk coast was facilitated by the organization of the Murmansk Biological Station of the USSR Academy of Sciences on the coast of Zelenetskaya Bay in the settlement of Dal'niye Zelentsy (1935). Currently, it exists as a seasonal biostation of the MMBI RAS. As a result of long-term studies of macrophytes of the Barents Sea, the following have been determined: 1) the optimal photoperiod (16 : 8 – "light-dark") for the growth of most algae, as well as its compensatory role in regulating the growth of macrophytes; 2) the negative effect of ultraviolet B on the development of algae; 3) the optimal temperature for growth and mechanisms of cold resistance of macroalgae; 4) the influence of hydrostatic pressure on the vertical distribution of macrophytobenthos in the sublittoral; 5) the significance of the intensity of water movement, of the type of substrate and of salinity for the reproduction, the growth and the macrophyte-algae distribution; 6) the range of tolerance to the effects of oil and diesel fuel (DF) in macroalgae; 7) the plantation-biofilter technology for cleaning coastal water areas from oil products, the symbiotic association for macrophyte-algae and hydrocarbon-oxidising bacteria.
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Reports on the topic "Algue"

1

Jahan, Kauser. Algae Derived Biofuel. Office of Scientific and Technical Information (OSTI), 2015. http://dx.doi.org/10.2172/1177407.

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Gharagozloo, Patricia E., and Jessica Louise Drewry. Formation of algae growth constitutive relations for improved algae modeling. Office of Scientific and Technical Information (OSTI), 2013. http://dx.doi.org/10.2172/1088086.

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Nath, Pulak. Genetically Engineered Magnetic Algae A Leap toward Affordable Biofuel from Algae. Office of Scientific and Technical Information (OSTI), 2013. http://dx.doi.org/10.2172/1078360.

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Cender, Clinton, Catherine Thomas, Martin Page, et al. Rapid algae flotation techniques. Engineer Research and Development Center (U.S.), 2023. http://dx.doi.org/10.21079/11681/47704.

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Dissolved air flotation (DAF) is an effective technique for algae separation following the application of flocculants and coagulants. Some harmful algae produce mucilage or extracellular polymeric substances useful for flotation. This study evaluated natural polysaccharides to determine effects on algal flotation with DAF. Food-grade gums (xanthan gum, guar gum, gum arabic, gellan gum, and diutan gum) were tested with cyanobacteria cultures singly and in combination with commercial flocculants (including Tramfloc 222 and Tramfloc 300). Gum arabic alone had no effect when evaluated at concentrations between 10 mg/L and 5,000 mg/L. However, the combination of gum arabic and Tramfloc 300 yielded higher algal flocculation than Tramfloc 300 alone. The combination of xanthan gum (anionic) and guar gum (cationic) did not perform at the level of the combined xanthan gum and Tramfloc 222 in either flocculation or flotation of algae. Tramfloc 222 and xanthan gum; however, yielded effective flocculation seemingly resistant to changes in interfering factors such as turbulence, pH, and temperature. Furthermore, the combination of xanthan gum and Tramfloc 222 provided the most effective flotation and flocculation independent of pH effects. The results suggest that anionic polysaccharides can be used to increase the efficacy of cationic coagulants such as Tramfloc 222.
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Lammers, Peter J., Edward Frank, R. T. Sayre, et al. Realization of Algae Potential (REAP). Office of Scientific and Technical Information (OSTI), 2019. http://dx.doi.org/10.2172/1635363.

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Grahovac, P. Algae control for hydrogeneration canals. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/656879.

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Custer, James. Algae: America's Pathway to Independence. Defense Technical Information Center, 2007. http://dx.doi.org/10.21236/ada469390.

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Cender, Clinton, Catherine Thomas, Benjamin Greeling, Bradley Sartain, Ashley Gonzalez, and Martin Page. Pilot-scale optimization : Research on Algae Flotation Techniques (RAFT). Engineer Research and Development Center (U.S.), 2023. http://dx.doi.org/10.21079/11681/47722.

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The impacts of harmful algal blooms (HABs) on US national waterways continue to cause significant economic and environmental damage. Re-searchers at the US Army Engineer Research and Development Center successfully demonstrated the Research on Algae Flotation Techniques (RAFT) project at pilot scale. This study was designed to show that the sur-face concentrations of algal biomass can be effectively increased with near linear scalability utilizing the natural methods by which some algae entrap air within excreted mucilage for flotation. The surface concentration of cyanobacteria measured as phycocyanin pigment increased by six-fold after RAFT flocculation treatment. Further optimization of chemical delivery systems, mixing, and dissolved air exposure will be required before full scale readiness.
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Author, Not Given. Algae-to-Oil Conversion Scaling Investigations. Office of Scientific and Technical Information (OSTI), 2011. http://dx.doi.org/10.2172/1022449.

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chen, Shulin, Margaret McCormick, and Rusty Sutterlin. Washington State University Algae Biofuels Research. Office of Scientific and Technical Information (OSTI), 2012. http://dx.doi.org/10.2172/1349713.

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