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Dissertations / Theses on the topic 'Fertilisation'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Huber, Johannes. "Fertilisation und embryonale Genomaktivierung." Diss., lmu, 2006. http://nbn-resolving.de/urn:nbn:de:bvb:19-55949.

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2

Yeates, Sarah E. "Fertilisation dynamics in Atlantic salmon." Thesis, University of East Anglia, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.423579.

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3

Passos, Tiago Uchoa. "Biological Response to Ocean Macronutrient Fertilisation." Thesis, The University of Sydney, 2018. http://hdl.handle.net/2123/18381.

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The aim of this study was to examine biological response to ocean macronutrient fertilisation on the oligotrophic waters offshore Sydney, Australia. This research investigates nutrient uptake, phytoplankton biomass growth, microzooplankton grazing and zooplankton and bacteria changes. After inoculating the sample with macronutrients there was a period of latency followed by rapid growth of phytoplankton until a maximum concentration was reached and subsequently decreased to a value similar to the initial concentration. Once the maximum concentration of phytoplankton decreased to a value simila

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4

Harrison, Daniel Patrick. "On the Potential of Ocean Fertilisation." Thesis, The University of Sydney, 2016. http://hdl.handle.net/2123/15940.

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To date the global community has failed to effectively curtail growth in anthropogenic emissions of carbon dioxide, in the year 2016 we continue to track the IPCC 2005 ‘business as usual’ projection of annual emissions. The bleak outlook for stabilising the planets rising temperature by reducing reliance on fossil fuel energy has led to recent renewed calls for research into technological solutions. Only geoengineering to remove carbon dioxide from the atmosphere or a dramatic reduction in emissions can address the build-up of carbon dioxide in the atmosphere, and also act to alleviate the ass

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5

Carroll, Michael. "Generation and propagation of sperm induced CaÂ²âº waves in the ascidian oocyte." Thesis, University of Newcastle Upon Tyne, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.246669.

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6

Al-Chalabi, Sara. "Mass spectrometric characterisation of glycopolymers implicated in fertilisation." Thesis, Imperial College London, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.416135.

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7

Ng, Hung-yu Ernest, and 吳鴻裕. "Excessive ovarian response during in-vitro fertilisation treatment." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B29636218.

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8

Telaye, Asfaw. "Pollen physiology and fertilisation in Vicia faba L." Thesis, Durham University, 1990. http://etheses.dur.ac.uk/5960/.

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Abstract In many legume crop species, early-formed fruits or those located closest to the photosynthate are more likely to mature than other fruits. This is so in the Vicia faba crop. Based on physiological, nutritional and genetical aspects of seed development, several hypotheses are documented. However, Vicia faba pollen fertility has not been adequately studied. Thus, a series of experiments, consisting of studies of both in vitro and in vivo pollen viability, pollen tube growth and fertilisation ability were conducted using highly inbred lines (6-13 generations). Some of the in vivo experi

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9

Ranford-Cartwright, Lisa C. "Cross-fertilisation in the malaria parasite Plasmodium falciparum." Thesis, University of Edinburgh, 1992. http://hdl.handle.net/1842/14248.

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The objective of this work has been to investigate the frequency of cross-fertilisation between gametes of genetically distinct clones of the human malaria parasite <i>Plasmodium falciparum</i>. Previous genetic experiments involving both rodent malaria parasites <i>in vivo</i> and human malaria parasites <i>in vitro</i> have demonstrated higher than expected numbers of recombinants among the progeny of crosses. It has been suggested that this could be due to a favouring of cross-fertilisation over self-fertilisation in the mosquito phase of the life-cycle. The work has involved examining the

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10

Rodgers-Gray, Barry. "The effects of soil amendments on the diseases and natural microflora of winter wheat." Thesis, University of Reading, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325166.

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11

Müller, Christina Heike. "Klinische Relevanz unterschiedlicher Spermatozoenparameter für die Fertilisation in vitro." [S.l.] : [s.n.], 1999. http://deposit.ddb.de/cgi-bin/dokserv?idn=958028710.

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12

Wachter, Katja Ria. "In-vitro-Fertilisation vom Therapiemittel bei Fertilitätsstörungen zur Lebensplanungshilfe." Hamburg Kovač, 2006. http://www.verlagdrkovac.de/978-3-8300-2713-3.htm.

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13

Hofheinz, Marco. "Gezeugt, nicht gemacht In-vitro-Fertilisation in theologischer Perspektive." Wien Zürich Berlin Münster Lit, 2007. http://d-nb.info/987902113/04.

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14

Wachter, Katja Ria. "In-vitro-Fertilisation : vom Therapiemittel bei Fertilitätsstörungen zur Lebensplanungshilfe /." Hamburg : Kovač, 2007. http://www.verlagdrkovac.de/978-3-8300-2713-3.htm.

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15

Cahill, David John. "Preovulatory follicular function and fertilisation in women with endometriosis." Thesis, University of Bristol, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.295058.

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16

Dhillon, Rima Kaur. "Risk stratification for women undergoing in-vitro fertilisation treatment." Thesis, University of Birmingham, 2016. http://etheses.bham.ac.uk//id/eprint/6752/.

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The aim of this thesis was to explore three factors that are easily available and contribute important information for women before commencing in-vitro fertilisation (IVF) treatment: ethnicity, body-mass index (BMI) and thyroid disease. Results of the systematic review, cohort study and meta-analysis investigating ethnicity and IVF outcome showed South Asian and Black women have lower adjusted live-birth (LB) rates, after fresh cycle treatment, compared with White women. The relationship between BMI and IVF outcome was explored in a prediction model estimating chances of LB following first cyc

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17

Sunkara, Sesh. "Interventions for poor responders undergoing in vitro fertilisation treatment." Thesis, King's College London (University of London), 2013. https://kclpure.kcl.ac.uk/portal/en/theses/interventions-for-poor-responders-undergoing-in-vitro-fertilisation-treatment(63a0ad08-f73f-406e-93db-7aa226d4c160).html.

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This thesis examines the various interventions proposed for the management of poor responders undergoing IVF treatment. I began by performing a systematic review and meta-analysis to identify the ideal controlled ovarian hyperstimulation (COH) regimen for women with poor ovarian response undergoing IVF. The systematic review found the evidence to be inconsistent and inconclusive. The poor responders intervention trial (PRINT) was thus conceived. PRINT is an RCT comparing the gonadotrophin releasing hormone (GnRH) agonist long versus the GnRH agonist short versus the GnRH antagonist regimens fo

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18

Dembele, Diomiho Monique. "Production de verdurettes biologiques : niveaux de fertilisation et biostimulants." Master's thesis, Université Laval, 2021. http://hdl.handle.net/20.500.11794/68778.

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Parmi les produits frais pouvant être cultivés en milieux urbains ou bâtiments, la production de jeunes légumes-feuilles riches en nutriments, communément appelés verdurettes, est en plein développement. La régie de fertilisation appliquée en culture biologique hors sol reste un déterminant majeur de la performance agronomique des cultures et de la qualité des produits. Par ailleurs plusieurs études rapportent que les biostimulants peuvent entraîner une production de biomasse plus élevée et améliorer la qualité de plusieurs légumes et fruits en augmentant l’absorption des éléments nutritifs ai

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19

Brunengo-Basso, Stéphanie. "L'émergence de l'action de groupe, processus de fertilisation croisée." Aix-Marseille 3, 2009. http://www.theses.fr/2009AIX32067.

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L’action de groupe est une action en justice introduite par une personne physique ou une personne morale représentant d’un groupe de personnes sans avoir obtenu préalablement leur accord ou leur mandat exprès. Issue du droit anglo- saxon, elle existe sous la forme de la Class action aux Etats – Unis. Elle présente l’avantage de permettre la réparation de multiples préjudices individuels issus du comportement fautif d’un ou plusieurs mêmes auteurs. Ce modèle procédural est peu à peu introduit dans les systèmes juridiques de droit civil. Le Portugal, la Suède et l’Espagne se sont d’ores et déjà

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20

Hofheinz, Marco. "Gezeugt, nicht gemacht : In-vitro-Fertilisation in theologischer Perspektive /." Zürich ; Berlin : LIT, 2008. http://swbplus.bsz-bw.de/bsz274010038inh.htm.

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21

Samson, Nicolas. "Fertilisation optimale de variétés de pommes de terre au Québec." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq33748.pdf.

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22

Sarraf, Christiana. "Optimisation de la fertilisation des fraisiers remontants cultivés hors sol." Thesis, Université Laval, 2011. http://www.theses.ulaval.ca/2011/28467/28467.pdf.

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La culture de la fraise (Fragaria) est l’une des productions fruitières les plus répandues dans le monde. Ce petit fruit se cultive dans toutes les provinces du Canada et le Québec est considéré comme le leader canadien de cette production. Par contre, la culture fait face à des problèmes récurrents de maladies telluriques qui limitent les rendements. Pour pallier les problèmes phytosanitaires, on explore la possibilité de cultiver les fraisiers dans des systèmes hors-sol. Bien que la culture hors-sol des fraisiers se répande partout à travers le monde, les fruits issus de cette culture sont d

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23

Caisse, Gabriel. "Importance de la fertilisation lors du boisement des tourbières résiduelles." Thesis, Université Laval, 2007. http://www.theses.ulaval.ca/2007/24833/24833.pdf.

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24

Hyslop, Louise Ann. "Characterisation of the sperm calcium releasing factors that induces fertilisation." Thesis, University of Newcastle Upon Tyne, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.270828.

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25

Gearon, Ceinwen Mary. "Factors affecting fertilisation following the micro-injection of human spermatozoa." Thesis, King's College London (University of London), 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.338678.

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26

Fleming, Charlotte F. "Possible mechanisms of subfertility : epidemiological studies of in vitro fertilisation." Thesis, University of Bristol, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.390337.

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27

Fattore, Giovanni. "A cost benefit analysis of in-vitro-fertilisation in Italy." Thesis, London School of Economics and Political Science (University of London), 2008. http://etheses.lse.ac.uk/2746/.

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This thesis presents a full cost-benefit analysis of In-Vitro-Fertilisation (IVF) from a societal perspective. It is based on a contingent valuation survey administered through internet to a sample of the Italian population. A referendum format and a payment scale were used to elicit willingness-to-pay (WTP) for a publicly funded program providing IVF to infertile couples. WTP was also elicited for a hypothetical situation in which the respondent was asked to imagine being infertile and willing to have a baby. Overall, results show the feasibility of using this new method of administration of

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28

Morris, Paul James. "Carbon export from natural iron fertilisation in the Southern Ocean." Thesis, University of Southampton, 2008. https://eprints.soton.ac.uk/66262/.

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It has long been recognised that some oceanic regions have persistently low chlorophyll levels, even though inorganic nutrients are plentiful. Studies have shown that these high-nutrient, low-chlorophyll (HNLC) areas are depleted in iron, which is an essential micronutrient for phytoplankton growth. In HNLC regions biological production can be enhanced with artificial mesoscale iron fertilisation. However, the ability of artificially induced phytoplankton blooms to efficiently sequester carbon to mesopelagic depths is still an open question. SubAntarctic islands in the HNLC Southern Ocean are

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29

ANTONIADOU, THEODORA. "Evaluation statistique des regles de decision pour la fertilisation azotee." Toulouse 3, 1999. http://www.theses.fr/1999TOU30019.

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Le probleme croissant de la pollution de l'environnement par les engrais est a l'origine de l'interet d'optimiser leurs quantites apportees aux cultures agricoles. La determination des quantites d'engrais se fait par des regles de decision. Le terme regle de decision designe la procedure qui associe a tout individu de la population d'interet, les quantites d'engrais a recommander. L'objet de ce travail est le developpement d'une demarche statistique pour l'evaluation et la comparaison des regles de decision. Etant donne la grande diversite de decisions obtenues selon la regle consideree, nous

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30

Dossou-Yovo, Wilfried. "Fertilisation phosphatée du maïs selon les conditions pédoclimatiques au Québec." Master's thesis, Université Laval, 2018. http://hdl.handle.net/20.500.11794/29564.

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La fertilisation de démarrage du maïs à base de phosphate d’ammonium est une pratique courante au Québec. En effet, on présume que la croissance précoce du maïs conduit à une augmentation de rendement et à une amélioration de la qualité du grain. L’objectif de ce travail de recherche consistait à déterminer l’influence des facteurs climatiques, édaphiques et agronomiques sur le rendement, la qualité du grain de maïs et sur les doses de fertilisants phosphatés au démarrage. Une modélisation multiniveau des essais de fertilisation phosphatés du maïs recueillis au Québec de 1967 à 2009 a permis d

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31

Papaligoura, Zaira. "The effects of in-vitro fertilisation on parent-infant communication." Thesis, University of Edinburgh, 1998. http://hdl.handle.net/1842/22541.

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Precise analytical techniques using video are effective in the evaluation of emotional processes in mother infant communication, and these methods have been successfully applied to demonstrate important effects of maternal emotional disorders, such as post-natal depression. The present thesis proposes that this approach is useful in understanding parent-infant communication when IVF is employed. Communication between parents and IVF infants appears to develop along the "normal" path. When differences were observed, these occurred in both the IVF and INF groups, which indicates that IVF as such

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32

Christmann, Leandro. "Acquisition of meiotic competence in growing porcine oocytes." Thesis, University of Cambridge, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.339451.

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33

Jury, Jennifer Anne. "Studies on fertilin and related MDC genes." Thesis, University of Bristol, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.484281.

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34

Bahrami, Mohammed. "A novel amino acid combination supports the in vitro maturation and fertilisation of bovine oocytes." Thesis, The University of Sydney, 2021. https://hdl.handle.net/2123/25067.2.

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In vitro maturation (IVM) of oocytes assists cattle producers to maximise the number of offspring from genetically superior animals. This technology has significant commercial benefits to the cattle industry. Through collection and maturation of multiple oocytes, producers increase the number of embryos produced from those animals with the desired production traits. Suboptimal culture conditions limit the proportion of metaphase II (MII) oocytes following IVM, affecting the viability of IVM as an assisted reproductive technology (ART). Improving IVM culture conditions will increase the proport

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35

Holthaus, Eva. "Darstellung der In-Vitro-Fertilisation und verwandter Verfahren in deutschen Printmedien." [S.l.] : [s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=969860013.

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36

Painchaud, Jacques. "L'azote du sol et la fertilisation de la pomme de terre." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0016/MQ37155.pdf.

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37

Jansson, Johanna. "The influence of plant fertilisation regime on plant-aphid-parasitoid interactions /." Uppsala : Dept. of Entomology, Swedish Univ. of Agricultural Sciences, 2003. http://epsilon.slu.se/a415.pdf.

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38

Campbell, Karen. "The relationship between calcium and metabolism in mouse eggs at fertilisation." Thesis, Cardiff University, 2007. http://orca.cf.ac.uk/54106/.

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At fertilisation in mammals a series of Ca2+ oscillations are initiated that activate development. These Ca2+ oscillations cause the reduction of mitochondrial NAD+ and flavoproteins, suggesting that they might also stimulate changes in cytosolic ATP levels. Many events at fertilisation are triggered that require ATP; however, the changes in ATP during fertilisation are poorly defined. In this thesis intracellular C a2+ and ATP levels in individual m ouse eggs were m easured by monitoring the fluorescence of a C a 2+ dye (Oregon green bapta dextran) and lum inescence of firefly luciferase. Dur

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39

Bertram, Caroline. "Fertilisation promoting peptide : a role in the diagnosis of prostate disease?" Thesis, University of Reading, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389648.

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40

Bennison, Clair. "Sperm morphology and fertilisation success in the zebra finch Taeniopygia guttata." Thesis, University of Sheffield, 2014. http://etheses.whiterose.ac.uk/5107/.

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The aim of this study was to understand how variation in sperm morphology influences sperm swimming velocity, and consequently, the fertilisation success of males in a competitive context. Chapter 2 provides the methods behind the three key aspects underpinning the work described in this thesis. The set-up and maintenance of the selective breeding regime producing the population of zebra finches is described. The procedures involved in the collection of sperm, and assessment of sperm quality are then given in detail. Chapter 3 describes the artificial selective breeding regime, involving the t

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41

Kidd, Jonathan David. "Disentangling the effects of long-term fertilisation on soil carbon dynamics." Thesis, University of Newcastle upon Tyne, 2017. http://hdl.handle.net/10443/3648.

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The application of fertilisers has greatly increased agricultural yields. However, it has also had wide ranging consequences for ecosystem properties and processes, generating concern over the long-term sustainability of fertiliser management. Despite this, there is considerable uncertainty regarding the long-term impacts of fertilisation, especially on soil carbon, and this is largely due to the paucity of published findings from long-term experiments. In this project very long-term field experiments and a short-term microcosm trial were used to investigate the effects of fertilisation on agr

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42

Massey, Paul Andrew. "Interactions between phosphorus fertilisation and soil biota in managed grasslands systems." Thesis, Cranfield University, 2012. http://dspace.lib.cranfield.ac.uk/handle/1826/7844.

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The application of phosphorus (P) fertilisers to grassland systems is a common practice to increase and sustain grassland productivity. This is requisite for satisfying the nutritional needs of grazing animals and increasing dairy and livestock output. The costs of such fertilisers are increasing and the demands for such fertiliser will also most likely rise following governmental targets set in Ireland to increase national agricultural output. However, the application of P fertiliser to grassland systems can contribute to the eutrophication of water-courses, since fertiliser applications can

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43

Simpson, Julia Louise. "Male gamete morphology in relation to swimming velocity and fertilisation microenvironment." Thesis, University of Hull, 2012. http://hydra.hull.ac.uk/resources/hull:6900.

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The heterogeneity of spermatozoa has been widely used to inform phylogenetic relationships among taxa, yet the reason such diversity has evolved, in relation to the sperms primary functional role in fertilisation and reproduction, is not well understood. Research into the evolutionary significance of sperm morphology is concomitant with the study of sexual selection and the evolution of the biological diversity of life. The formulation of sperm competition theory in the 1970s provided a new insight for the study of sexual selection and the development of the field of sperm biology. The idea th

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44

Sanders, Jessica Rose. "Mechanisms of PLCζ induced Ca²⁺ oscillations in mouse eggs at fertilisation". Thesis, Cardiff University, 2017. http://orca.cf.ac.uk/103822/.

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All the events of egg activation in mammalian eggs are triggered physiologically by transient increases in cytosolic free Ca²⁺ referred to as Ca²⁺ioscillations. These oscillations are initiated by the sperm derived PLC isoform, PLCζ. PLCζ releases Ca²⁺ by hydrolysing its substrate PI(4,5)P₂ to produce IP₃, however, many of the mechanisms by which PLCζ elicits Ca²⁺release in eggs are poorly understood. The results of this thesis confirm that whilstPLCζ cRNA and recombinant protein is able to cause Ca²⁺ioscillations in mouse eggs the sperm derived protein PAWP does not cause any Ca²⁺ release in

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45

Goubier, Vincent. "Influence de la fertilisation sur certains compartiments de l'étang de pisciculture." Lyon 1, 1989. http://www.theses.fr/1989LYO10043.

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Ce travail est une approche de la constitution et de l'evolution des differents compartiments de l'etang, en relation avec une fertilisation minerale ou organique, dans des bassins de pisciculture semi-intensive. 6 a 16 bassins, de 500 a 1500 m#2, situes dans la region de dombes (france), sont suivis pendant 4 saisons de production. Les principales variables physico-chimiques etudiees sont: la temperature, le ph, les formes azotees, le phosphore, les parametres de mineralisation. Une etude ponctuelle concernant les relations physico-chimiques entre l'eau et le sediment a ete realisee en 1984.

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46

Dalati, Sarah. "Ca2+ activated CI- channel activity at fertilisation in the mouse oocyte." Thesis, The University of Sydney, 2015. http://hdl.handle.net/2123/14481.

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Sperm entry into the oocyte triggers a signal transduction pathway that results in intracellular calcium ([Ca2+]i) oscillations and membrane potential (Em) changes known as hyperpolarisations. [Ca2+]i oscillations have been widely studied and are important for embryo development. The role of Em hyperpolarisations and their importance at fertilisation remains unclear. Thimerosal, a sulfhydryl reagent, has been shown to mimic the physiological changes caused by sperm following fertilisation. Previous patch clamp analysis of unfertilised mouse oocytes has shown that thimerosal elicits simultaneou

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47

Joels, Lisa Anne. "The predictive value of sperm assessment prior to in vitro fertilisation." Thesis, University of Bristol, 2000. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310655.

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48

Ma, Ruohan. "Effets bottom-up de la fertilisation sur des agents de biocontrôle." Electronic Thesis or Diss., Université Côte d'Azur, 2024. http://www.theses.fr/2024COAZ6002.

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Dans les agroécosystèmes, les communautés d'arthropodes peuvent être influencées par des forces bottom-up induites par des variations environnementales, telles que la fertilisation, qui modifient les caractéristiques des plantes. Alors que l'effet de ces forces ascendantes sur le deuxième niveau trophique est bien étudié, leur effet sur le troisième niveau trophique reste moins connu. La fertilisation altère le premier niveau trophique, influençant ainsi la qualité nutritionnelle des plantes. Ces changements affectent ensuite le deuxième niveau trophique. L'extension des effets bottom-up jusqu

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49

He, J. "A study of the morphological characteristics of rat ovarian granulosa cells during maturation of the oocyte." Thesis, Queen's University Belfast, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239005.

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50

Henderson, Janet Katharine. "Investigations of human embryonic implantation in vitro." Thesis, University of Sheffield, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.341905.

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