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Dissertations / Theses on the topic 'Threats of biological origin'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Richardson, Scott Nathan. "Is the U.S. Navy prepared to counter biological warfare threats?" Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2001. http://handle.dtic.mil/100.2/ADA401642.

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Thesis (M.A. in National Security Affairs (Strategic Studies)) Naval Postgraduate School, Dec. 2001.<br>Thesis advisor(s): Lavoy, Peter R. "December 2001." Includes bibliographical references (p. 64-69). Also available in print.

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2

Kuo, Matthew Yih-Han. "Deep ocean clay crusts : behaviour and biological origin." Thesis, University of Cambridge, 2011. https://www.repository.cam.ac.uk/handle/1810/240506.

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In water depths of 500m to greater than 2,000m, off the West coast of Africa, sediments comprise very soft clays with extremely high water contents and plasticity. In situ CPT and T-bar testing in these areas have identified 'crusts' with undrained shear strengths of up to15kPa at 0.5m depth, before the strength reduces by an order of magnitude to normallyconsolidated strengths by 2m depth. This thesis presents an investigation into the behaviour and origin of these crusts. Mini ball-penetrometer tests on natural cores confirm the crustal strength, and indicate a sensitivity of 3 within the cr

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3

Lindholm, Petra. "Cytotoxic Compounds of Plant Origin – Biological and Chemical Diversity." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-5728.

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4

Selim, Abdalla Eliwa Mohamed. "Sedimentation threats to Red Sea corals : an ecological study of reefs in the Hurghada Region, Egypt." Thesis, University of Hull, 2007. http://hydra.hull.ac.uk/resources/hull:2689.

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Hurghada coastal reefs have encountered a huge modification in the last three decades, associated with an increase in sediment input from coastal development. The aim of this study was to examine the impact of sediment on reef health at a number of sites along the coast of Hurghada encountering differing sedimentation loads. A range of physicochemical parameters were measured in the field and related to a variety of reef health indicators. This was supported by laboratory based experiments examining the direct impact of sediment on coral bleaching and mucus production. Annual and seasonal patt

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5

Stockdale, Heather Dawn Blagburn Byron L. "Biological characterization of Tritrichomonas foetus of bovine and feline origin." Auburn, Ala, 2008. http://repo.lib.auburn.edu/EtdRoot/2008/SPRING/Biomedical_Sciences/Dissertation/Stockdale_Heather_51.pdf.

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6

Hurworth, Allan Christopher. "The origin of language-like features in DNA." Thesis, University of Southampton, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.341625.

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7

Jia, Xinghua. "Physical Origin of Biological Propulsion and Inspiration for Underwater Robotic Applications." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1483681387845279.

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8

Rose, Dale Aubrey. "The emergence of biological threats and public health preparedness: Experimental interventions into the field of biosecurity." Diss., Search in ProQuest Dissertations & Theses. UC Only, 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3261260.

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9

Pierotti, Michele E. R. "Origin, maintenance and evolutionary consequences of male mating preference variation in East African cichlid fishes." Thesis, University of Hull, 2007. http://hydra.hull.ac.uk/resources/hull:11614.

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Izumi, Toshiko. "Exploring the Origin of Biological Homochirality via Study of Amino Acid Phase Behaviour." Thesis, Imperial College London, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.516467.

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11

Harland, Edward J. "An investigation of underwater click sounds of biological origin in UK shallow waters." Thesis, University of Southampton, 2017. https://eprints.soton.ac.uk/415735/.

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This study investigated a clicking sound which is often heard when deploying a hydrophone in UK shallow waters. This sound has often been described as being produced by snapping shrimp yet very few snapping shrimp have been found in UK waters. This work has identified the sound of snapping shrimp and shown that a similar sound, while present throughout the year, is not the dominant component of the click field during the summer and autumn. This work has shown that the click sounds are heard in the southern half of the UK only and that click activity has a strong dependence on the annual and di

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12

Borgini, Matteo. "Synthesis and biological evaluation of chemotherapeutic macrocycle derivatives of natural and synthetic origin." Doctoral thesis, Università di Siena, 2020. http://hdl.handle.net/11365/1094596.

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Viene riportata la sintesi e la caratterizzazione biologica ed anti-proliferativa di derivati della molecola naturale Largazolo in grado di rilasciare ossido nitrico e di fornire un effetto antitumorale duale nei confronti di alcune linee cellulari tumorali. Inoltre, è riportato l'approccio sintetico utilizzato per lo scale-up della molecola antifungina BM1 per la quale sono stati condotti test di farmacocinetica e di tossicità.

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Vlieghe, Kelly E. P. "The ecology of Namibian fairy circles and the potential role of sand termites (Psammotermes allocerus Silvestri) in their origin." Doctoral thesis, University of Cape Town, 2016. http://hdl.handle.net/11427/22910.

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Regularly-dispersed patterning in the landscape occurs globally, both in the form of vegetated patches or gaps of bare earth within a vegetated matrix. Most theories link these periodic patterns to various biotic factors including selective grazing, allelopathy, nests of social insects, and competitive interactions between plants ('self-organisation'). Fairy circles are perhaps the most archetypal of these patterns, taking the form of evenly-spaced, circular to elliptical barren patches 2-12m in diameter. They occur in dense fields within sandy, species-poor grasslands in the Pro-Namib Desert.

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Kretavičius, Justinas. "Properties and quality indicators of different biological origin honey and their relationship to decrystallization." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2012. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2011~D_20120612_111836-04368.

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The aim of the research is to assess various decrystallization techniques applied to honey of different biological origin, in order to reveal the processes occurring in honey during decrystallization and storage, and to assess the changing quality of honey and human allergy manifestation. The Research Tasks: 1. To investigate biological origin, physico-chemical, biochemical properties and relationship among several types of honey, to highlight the most valuable types of honey with reference to them. 2. To explore the influence of thermal and mechanical decrystallization on physical, chemical a

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15

Joyce, Clare Elizabeth. "The isolation, separation, structural elucidation and biological properties of organic compounds of pharmaceutical and plant origin." Thesis, University of Ulster, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.422893.

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Masiero, Alessandro. "The role of time in biological systems: a computational analysis ranging from molecular dynamics to biological network simulations." Doctoral thesis, Università degli studi di Padova, 2015. http://hdl.handle.net/11577/3424021.

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Time is the main character of this thesis, and it has been used in many ways. Starting from molecular dynamics simulations to biological networks, time has been analysed under different light and roles. The main subjects characterizing this work are Von Hippel-Lindau syndrome and circadian rhythm, although a method for molecular dynamics simulations trajectory analysis is presented at the end. Several works are presented here, analysing different aspects of protein dynamics as well as pathway alterations depending on the time coordinate. The first work analyses the interaction between protein

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17

Ringbom, Therese. "Bioassay Development for Identification of Cyclooxygenase-2 Inhibitors of Natural Origin." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2002. http://publications.uu.se/theses/91-554-5276-0/.

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Braidwood, Jasmine. "Breeding biology and threats to the blue penguin (Eudyptula minor) in South Westland, New Zealand." Lincoln University, 2009. http://hdl.handle.net/10182/1556.

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The Blue Penguin (Eudyptula minor) is assumed to be declining over much of its range, largely due to introduced predators. Anecdotal evidence suggests that one of the areas of declining population is the West Coast of the South Island. The purpose of this study was to determine the reasons for the assumed decline of blue penguins in South Westland. This was done by studying breeding ecology at several blue penguin colonies to assess the importance of breeding success and adult mortality on the penguin population. Three blue penguin colonies in South Westland, at Five Mile and Three Mile beache

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Von, Senger Inge. "An assessment of the genetic diversity and origin of the invasive weed Chromolaena Odorata (L.) King and Robinson in South Africa." Thesis, Rhodes University, 2002. http://hdl.handle.net/10962/d1003802.

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Chromolaena odorata (L.) King and Robinson is an alien invasive weed to most of the Old World tropical regions of the earth, including South Africa where it is morphologically distinct from most other C. odorata plants examined from both its native and invasive range. It is thought that these morphological differences are related to difficulties encountered in successful establishment of biological control agents on the South African population of C. odorata. It has been postulated that the source population of the South African population will harbour potential biocontrol agents that will be

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Кравчук, М. Ю. "Адміністративно-правове забезпечення протидії біотероризму". Thesis, Сумський державний університет, 2020. https://essuir.sumdu.edu.ua/handle/123456789/80347.

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Дисертацію присвячено комплексному дослідженню проблем адміністративно-правового забезпечення протидії біотерористичним загрозам в Україні. Здійснено аналіз термінологічного апарату антитерористичного законодавства на предмет визначення суспільно-правової сутності біотероризму, а також подано систематизацію доктринальних положень. Особливу увагу приділено механізму практичної протидії можливим загрозам біотерористичної діяльності з боку вищих органів державної влади. Доведено, що факт існування біологічного тероризму як глобальної проблеми світової спільноти вимагає консолідації зусиль усіх де

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Axell, Paola. "Man har henne bara till låns : Adoptivföräldrars förhållningssätt till föräldraskapet och sina barns biologiska ursprung." Thesis, Stockholms universitet, Institutionen för socialt arbete - Socialhögskolan, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-43312.

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The aim of this study was to examine how adoptive parents related to parenting and how they related to their children’s biological origin. Issues that were used were how adoptive parents described their own parenting, how they described their own thoughts about their children eventually wanting to search their biological origin and how adoptive parents described the child´s country of birth attitudes towards adoptees wishes to search their biological origin. The method used was qualitative research interviews. The theory that was used for analyzing the collected data was attachment theory. Res

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22

Morgan, Brittany. "Development of Micro Volume DNA and RNA Profiling Assays to Identify the Donor and Tissue Source of Origin of Trace Forensic Biological Evidence." Master's thesis, University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/6326.

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In forensic casework analysis it is necessary to obtain genetic profiles from increasingly smaller amounts of biological material left behind by perpetrators of crime. The ability to obtain profiles from trace biological evidence is demonstrated with so-called 'touch DNA evidence' which is perceived to be the result of DNA obtained from shed skin cells transferred from donor to an object or person during physical contact. However, the current method of recovery of trace DNA involves cotton swabs or adhesive tape to sample an area of interest. This "blind-swabbing" approach may result in the re

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Ara?jo, Ant?nio Edilson da Silva. "Caracteriza??o e uso de bact?rias diazotr?ficas isoladas de diferentes cultivares de arroz origin?rias do estado do Maranh?o." Universidade Federal Rural do Rio de Janeiro, 2008. https://tede.ufrrj.br/jspui/handle/tede/550.

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Made available in DSpace on 2016-04-28T14:58:59Z (GMT). No. of bitstreams: 1 2008 - Antonio Edilson da Silva Araujo.pdf: 1302543 bytes, checksum: cc20c323c83af0e996be61700810ba59 (MD5) Previous issue date: 2008-02-19<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>Several works have shown that rice crop can benefit from the association with diazotrophic bacteria. However, the biological nitrogen fixation (BNF) in rice is dependent of a complex interaction among the plants, microorganisms and the ecosystem. The general objective of this work was to evaluate the contribution

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Hjerpe, Daniel. "The destruction of life in a self replicating system." Thesis, Uppsala universitet, Tillämpad matematik och statistik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-355816.

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This thesis explores the question of why life can not be revived when death occurs due to lack of resources. For example, why can't something as simple as E.coli be revived after its death? The hypothesis is that death is not defined by the end of metabolism itself, but rather a continued metabolism which in turn destructs the entity itself. Consequently, a virus should not be capable of ”dying” due to its lack of metabolism. To study self replication, a recent mathematical model utilising Gillespie's algorithm and differential equations has been explored. Using this model, real systems such a

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Rodrigues, Thayanya. "Avaliação da produção de biohidrogênio a partir da microalga Chlamydomonas reinhardtii." Universidade Estadual do Oeste do Paraná, 2016. http://tede.unioeste.br:8080/tede/handle/tede/2905.

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Submitted by Marilene Donadel (marilene.donadel@unioeste.br) on 2017-08-17T23:38:37Z No. of bitstreams: 1 Thayanya Rodrigues 2016.pdf: 2040843 bytes, checksum: 1bc946a3ab21b7a49ba1d904ba6fbdaf (MD5)<br>Made available in DSpace on 2017-08-17T23:38:37Z (GMT). No. of bitstreams: 1 Thayanya Rodrigues 2016.pdf: 2040843 bytes, checksum: 1bc946a3ab21b7a49ba1d904ba6fbdaf (MD5) Previous issue date: 2016-05-10<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>The micro-algae Chlamydomonas reinhardtii adds genes responsible for anaerobic metabolic pathways, being able to produce

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Machado, Bruna Aparecida Souza. "Caracterização biológica de extratos de prosópolis de diferentes regiões geográficas obtidos por Extração com Fluido Supercrítico e Extração Etanólica." Universidade Federal de Sergipe, 2015. https://ri.ufs.br/handle/riufs/3264.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>Propolis is a resinous material collected by bees from sprouts and barks of different vegetable source and the propolis has pharmacological and biological properties attributed to the presence of different classes of phenolic compounds. The supercritical fluid extraction (SFE) is an operation that explores the solvation power of fluids at temperature and pressure above its critical values, to extracting or separating components of a sample. This technology has been effective for obtaining extracts from natural matrices. The

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Urbanovsky, Joshua C. "Computational Methods to Optimize High-Consequence Variants of the Vehicle Routing Problem for Relief Networks in Humanitarian Logistics." Thesis, University of North Texas, 2018. https://digital.library.unt.edu/ark:/67531/metadc1248473/.

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Optimization of relief networks in humanitarian logistics often exemplifies the need for solutions that are feasible given a hard constraint on time. For instance, the distribution of medical countermeasures immediately following a biological disaster event must be completed within a short time-frame. When these supplies are not distributed within the maximum time allowed, the severity of the disaster is quickly exacerbated. Therefore emergency response plans that fail to facilitate the transportation of these supplies in the time allowed are simply not acceptable. As a result, all optimizati

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Schneider, Tamara. "A Framework for Analyzing and Optimizing Regional Bio-Emergency Response Plans." Thesis, University of North Texas, 2010. https://digital.library.unt.edu/ark:/67531/metadc33200/.

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The presence of naturally occurring and man-made public health threats necessitate the design and implementation of mitigation strategies, such that adequate response is provided in a timely manner. Since multiple variables, such as geographic properties, resource constraints, and government mandated time-frames must be accounted for, computational methods provide the necessary tools to develop contingency response plans while respecting underlying data and assumptions. A typical response scenario involves the placement of points of dispensing (PODs) in the affected geographic region to sup

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Beghoura, Houda. "Modélisation de l'impact du Fer particulaire d'origine sédimentaire sur les cycles biogéochimiques marins Air‐sea turbulent fluxes from a wave‐following platform during six experiments at sea, in JGR Oceans 124 (6), June 2019 Impact of inorganic particles of sedimentary origin on global dissolved iron and phytoplankton distribution, in JGR Oceans 124 (12), December 2019." Thesis, Brest, 2020. http://www.theses.fr/2020BRES0001.

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Il existe encore des incertitudes importantes concernant le cycle biogéochimique du fer, sa nature et la quantification de ses sources. Ce fer dissous (dFe) est considéré comme étant la forme la plus biodisponible ce qui a induit la sous-évaluation du rôle du fer particulaire (pFe) comme une source potentielle de dFe. Pourtant, la remise en suspension des sédiments libère davantage de pFe que de dFe. Dans ce contexte, ma thèse remet en question la vision traditionnelle du rôle du fer particulaire inorganique sédimentaire (pFeinorg) et propose la première modélisation de ce dernier comme source

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Bauer-Mehren, Anna. "Integrative approaches to investigate the molecular basis of diseases and adverse drug reactions: from multivariate statistical analysis to systems biology." Doctoral thesis, Universitat Pompeu Fabra, 2010. http://hdl.handle.net/10803/7219.

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Despite some great success, many human diseases cannot be effectively treated, prevented or cured, yet. Moreover, prescribed drugs are often not very efficient and cause undesired side effects. Hence, there is a need to investigate the molecular basis of diseases and adverse drug reactions in more detail. For this purpose, relevant biomedical data needs to be gathered, integrated and analysed in a meaningful way. In this regard, we have developed novel integrative analysis approaches based on both perspectives, classical multivariate statistics and systems biology. A novel multilevel statistic

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Laporte, Sylvie. "Le double visage des inventions biotechnologiques, une source potentielle de risques majeurs." Phd thesis, Université du Droit et de la Santé - Lille II, 2011. http://tel.archives-ouvertes.fr/tel-00686457.

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Les inventions biotechnologiques ont un double visage, une face bienveillante et une face terrifiante, chacune source potentielle de risques majeurs. Comment les contrôler et les réguler ? La recrudescence des catastrophes majeures (crises sanitaires) liées à l'usage de produits biotechnologiques, d'une part, puis l'échec à l'adoption d'un protocole de vérification à la Convention d'interdiction des armes biologiques suivi de l'émergence de nombreuses publications à risques dans le domaine des biotechnologies, d'autre part, démontrent l'omniprésence et la transversalité de cette problématique.

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Montillet, Jean-Luc. "Dosage radioimmunologique du zinniol : application a l'etude de cette toxine dans l'alternariose de la carotte." Toulouse 3, 1986. http://www.theses.fr/1986TOU30208.

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Un dosage radioimmunologique specifique du zinniol a ete au point; les etapes de ce travail ont ete les suivantes: - synthese d'une molecule immunogene (conjugue zinniol-proteine porteuse). - obtention d'anticorps specifique (4 ci/mmole). - mise au point du dosage radioimmunologique valide du point de vue de sa specificite, de sa reproductibilite et de sa sensibilite (limite de detection 0,14 nn/essai). Cet outil a permis de realiser des dosages sur des plantes infectees. Ces resultats inedits montrent que la molecule est emise tres rapidement dans les tissus infectes (12 h apres inoculation).

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Ducourneau, Christine. "Isolement et etude d'effets physiologiques d'une toxine produite par xanthomonas campestris pv. Vasculorum, agent de la gommose de la canne a sucre." Toulouse 3, 1986. http://www.theses.fr/1986TOU30233.

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Xanthomonas campestris pv. Vasculorum produit in vivo une phytotoxine tres hydrophile. L'ensemble de ce travail a consiste a: isoler et purifier cette toxine, apporter des informations sur sa structure et nature chimique, mettre en evidence sa specificite d'interaction vis-a-vis d'une molecule affine presente chez les plantes hotes; les effets physiologiques qu'elle induit dans les cellules de l'hote. Ces derniers resultats contribuent a mieux approcher son mecanisme biochimique d'action qui se manifeste sur les hotes potentiels, a des niveaux d'organisation differents (tissu foliaire et proto

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Moreira, Ana Sofia Pereira. "Study of modifications induced by thermal and oxidative treatment in oligo and polysaccharides of coffee by mass spectrometry." Doctoral thesis, Universidade de Aveiro, 2016. http://hdl.handle.net/10773/17074.

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Doutoramento em Bioquímica<br>Os polissacarídeos são os componentes maioritários dos grãos de café verde e torrado e da bebida de café. Os mais abundantes são as galactomananas, seguindo-se as arabinogalactanas. Durante o processo de torra, as galactomananas e arabinogalactanas sofrem modificações estruturais, as quais estão longe de estar completamente elucidadas devido à sua diversidade e à complexidade estrutural dos compostos formados. Durante o processo de torra, as galactomananas e arabinogalactanas reagem com proteínas, ácidos clorogénicos e sacarose, originando compostos castanh

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Nixdorff, K., N. Davison, and P. Millett. "Technology and Biological Weapons: Future Threats." 2004. http://hdl.handle.net/10454/713.

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Whitby, Simon M., Tatyana Novossiolova, Gerald Walther, and Malcolm R. Dando. "Preventing Biological Threats: What You Can Do." 2015. http://hdl.handle.net/10454/7821.

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yes<br>The outbreak of Ebola in West Africa in 2014 has underlined the risks posed by outbreaks of highly virulent and deadly diseases, whether caused naturally, accidentally or deliberately. It also emphasised the responsibility of all those engaged in the life sciences, whether in government, industry or academia, to ensure that research is done safely and securely. This book, Preventing Biological Threats, is intended to raise awareness and knowledge of biological security of everyone active in the life sciences, ranging from those engaged in research to those engaged in management a

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Rappert, B. "Towards a Life Sciences Code: Countering the Threats from Biological Weapons." Thesis, 2004. http://hdl.handle.net/10454/795.

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Neira, Agusto Rey Luzuriaga. "Origin, Diversity and Selection Patterns of South American Chickens." Doctoral thesis, 2018. https://hdl.handle.net/10216/116140.

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Neira, Agusto Rey Luzuriaga. "Origin, Diversity and Selection Patterns of South American Chickens." Tese, 2018. https://hdl.handle.net/10216/116140.

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Ferreira, Odete Marinho Gonçalves. "The origin of the vertebrate stomach and the paradox of loss." Doctoral thesis, 2017. https://repositorio-aberto.up.pt/handle/10216/102587.

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Ferreira, Odete Marinho Gonçalves. "The origin of the vertebrate stomach and the paradox of loss." Tese, 2017. https://repositorio-aberto.up.pt/handle/10216/102587.

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Gonçalves, Maria Carolina Trindade. "Quantitative analysis of contamination of biological origin in direct detection in-situ." Master's thesis, 2018. http://hdl.handle.net/10362/61554.

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Fast detection of biological contaminations is of great importance in numerous ar-eas of human health, such as, toxicology, environmental health and medicine. Currently, this is one of the top concerns of space agencies, since the duration of manned missions is becoming increasingly longer and the conventional methods for biological contami-nations and treatment are unavailable while in space. Microorganisms have been shown to proliferate under punishing environments as the ones suffered in space. This, associated with the astronauts’ weakened immune sys-tem, may originate serious health prob

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FORTE, ELVIRA. "Potential biological meaning and origin of cardiac progenitor cells isolated as Cardiospheres." Doctoral thesis, 2011. http://hdl.handle.net/11573/918850.

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Several populations of progenitor cells have been identified in the adult heart, based on the expression of specific surface markers (c-kit, Sca1), or on functional properties, such as the ability to spontaneously migrate from tissue explants and grow in three dimensional structures, called cardiospheres (CSs). CSs represent a niche-like microtissue with a cardiogenic gradient of differentiation towards the periphery. It is not clear which is the origin of these endogenous progenitor populations and how they function in vivo, given the limited regenerative capacity of the heart. Several possib

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Araimi, Nasser Ali Thabit Al. "Genetic Diversity, Origin and Conservation of Arabian Native Domestic Ruminants (Goat and Sheep)." Doctoral thesis, 2019. https://hdl.handle.net/10216/121069.

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Araimi, Nasser Ali Thabit Al. "Genetic Diversity, Origin and Conservation of Arabian Native Domestic Ruminants (Goat and Sheep)." Tese, 2019. https://hdl.handle.net/10216/121069.

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Gama, Ana Mafalda. "Global anthropogenic threats in Portuguese streams: ecological effects on aquatic macroinvertebrates assessed at different levels of biological organization." Doctoral thesis, 2014. http://hdl.handle.net/10316/24075.

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Tese de doutoramento em Biologia, na especialidade de Ecologia, apresentada à Faculdade de Ciências e Tecnologia da Universidade de Coimbra<br>In the present context of global climate changes and exponential increase of the human population, environmental contamination by chemicals (anthropogenic/natural sources) and temperature are most relevant stressors in aquatic ecosystems. Forested streams are particularly vulnerable because of their relatively low water volume and dependence on the riparian vegetation (major source of organic matter). This organic matter is processed by the detriti

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Cunha, Luis Filipe das Neves. "Effects of the extreme environment of volcanic origin in organisms : using earthworms as biological models." Doctoral thesis, 2012. http://hdl.handle.net/10400.3/3968.

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Tese de Doutoramento, Biologia (Biologia Celular e Molecular), 18 de Maio de 2012, Universidade dos Açores.<br>Understanding how living processes persist under the challenges of intense physical or chemical stress emanating from diverse geogenic sources, such as those originated by volcanic activity have increasingly gained importance mainly compelled by biotechnology imperatives. Volcanically active regions, such as Furnas, a geothermal field located in São Miguel Island (Azores), often have a high-density of human inhabitants due to the elevated natural fertility of its soils, despite of cre

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Shih, Yi-Ru, and 施怡如. "Origin of Methane from Five Observation Sites on Chianan and I-Lan Plains：Carbon Isotopes and Molecular Biological Evidences." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/99302945595081139862.

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碩士<br>國立臺灣大學<br>地質科學研究所<br>91<br>Abundant natural gases were found in many groundwater monitoring wells in the Chianan and I-lan plains. Methane is the main component of these gases, implying very reductive environment. In order to know whether methane was formed from aquifers through bacteria-mediated CO2 reduction or from deeper sources through microbial or thermocatalytic processes. Stable carbon isotope ratios (δ13C), 14C ages of methane, sediment strata and dissolved inorganic carbon (DIC) and microbial DNA from groundwater were determined. The results obtained indicate that δ

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Moura, Ana Luísa Pinto da Silva Lobo Peixoto de. "Spectrum of BRCA1 and BRCA2 germline mutations in Portuguese Hereditary Breast and Ovarian cancer: ancestral origin of founder mutations and their implications for genetic testing criteria and strategy." Doctoral thesis, 2019. https://hdl.handle.net/10216/122595.

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Moura, Ana Luísa Pinto da Silva Lobo Peixoto de. "Spectrum of BRCA1 and BRCA2 germline mutations in Portuguese Hereditary Breast and Ovarian cancer: ancestral origin of founder mutations and their implications for genetic testing criteria and strategy." Tese, 2019. https://hdl.handle.net/10216/122595.

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