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Dissertations / Theses on the topic 'Mesophyte'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Takekawa, T. "Chemistry of mesophase formation." Thesis, University of Newcastle Upon Tyne, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.379323.

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2

Kasuh, Takahiro. "Oxidation of mesophase pitch." Thesis, University of Newcastle Upon Tyne, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.346433.

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3

Burgoyne, John. "The mesophase structure of surfactants." Thesis, University of Central Lancashire, 1994. http://clok.uclan.ac.uk/20171/.

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The binary surfactant system nona (ethylene glycol) mono-( 11 -oxa- 14,18.22,26-tetramethylheptacosylether) in heavy water has been investigated using deuterium nuclear magnetic resonance, optical polarising microscopy and small angle scattering techniques. The phase diagram has been established and the phases encountered exist for the most part from 24 to 60% surfactant by weight. Above and below these concentrations exist isotropic and lamellar phases respectively. The phase diagram features three main phases, a hexagonal phase of circular rods, a lamellar phase and an intermediate phase. Th

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4

Wang, Lei. "Pattern formation in mesophase carbon fibers." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=24045.

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The principles governing pattern formation in discotic nematic liquid crystalline fibers subjected to uniaxial extensional flows are established. Computational and analytical methods are used in conjunction with bifurcational techniques to simulate the structural characteristics of the orientational patterns that arise by stretching discotic nematic liquid crystalline materials. The analytical and numerical results are in excellent agreement with actual cross-sectional fiber textures obtained by melt spinning carbonaceous mesophases. This work reproduces the main structural features of the osc

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5

Sheard, J. P. "Glucose uptake by pea mesophyll protoplasts." Thesis, University of East Anglia, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.235210.

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6

Gregory, Lee Garry. "Structural investigations of lyotropic mesophase systems." Thesis, University of Huddersfield, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327166.

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7

Lee, Joonsang. "Influence of the mesophyll on stomatal opening." Thesis, University of Aberdeen, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.314415.

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This study shows that stomata in the isolated epidermis do not behave like those in the intact leaf and that the mesophyll plays an important role in the mechanism of stomatal opening over short periods. The results suggested that the opening of stomata in isolated epidermis was inferior to that in the intact leaf and was influenced by the concentration of KCl in the medium rather than by light. Stomatal opening in isolated epidermis of <i>Commelina</i> was not only insensitive to light but also unaffected by CO<sub>2</sub> in the medium containing 100 mol m<sup>-3</sup> KCl. The absence of an

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8

Newell, Jane Marie. "Vacuole development in evacuolated oat mesophyll protoplasts." Thesis, University of Southampton, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.295919.

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9

Vosloh, Daniel. "Subcellular compartmentation of primary carbon metabolism in mesophyll cells of Arabidopsis thaliana." Phd thesis, Universität Potsdam, 2011. http://opus.kobv.de/ubp/volltexte/2011/5553/.

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Metabolismus in Pflanzenzellen ist stark kompartimentiert. Viele Stoffwechselwege haben Reaktionen in mehr als einem Kompartiment. Zum Beispiel wird während der Photosynthese in pflanzlichen Mesophyllzellen Kohlenstoff in Form von Stärke in den Chloroplasten synthetisiert, während es im Zytosol in Form von Sacharose gebildet und in der Vakuole gespeichert wird. Diese Reaktionen sind strikt reguliert um ein Gleichgewicht der Kohlenstoffpools der verschiedenen Kompartimente aufrecht zu erhalten und die Energieversorgung aller Teile der Zelle für anabolische Reaktionen sicher zu stellen. Ich wen

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10

Hörtensteiner, Stefan. "Re-formation of vacuoles in evacuolated tobacco mesophyll protoplasts /." [S.l.] : [s.n.], 1993. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=10426.

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11

Shen, Dong. "Syntheses and mesophase characterizations of novel bent core molecules." [S.l. : s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=961481889.

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12

Stoll, Marion. "Aktivierende T-DNA-Mutagenese in Nicotiana-tabacum-Mesophyll-Protoplasten." [S.l. : s.n.], 2002. http://deposit.ddb.de/cgi-bin/dokserv?idn=96491638X.

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13

Sansom, James Anthony. "The stabilisation process in mesophase pitch based carbon materials." Thesis, University of Leeds, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.515788.

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14

He, Lin. "Studies on xylan depolymerisation by the mesophile Streptomyces A451." Thesis, Open University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303667.

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15

Horne, Timothy James. "NMR studies of flexible molecules in the nematic mesophase." Thesis, University of Southampton, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303057.

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16

Cockett, Sean. "Synthesis and characterisation of silicone based mesophase forming materials." Thesis, Sheffield Hallam University, 1992. http://shura.shu.ac.uk/19486/.

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The aim of this project was to synthesise and characterise a range of novel cyclic and linear mesogenic siloxanes. A synthetic strategy based upon the synthesis of linear side-chain siloxanes was adopted. End-functionalised linear siloxane precursors were synthesised via ring opening polymerisation reactions. The coupling of mesogen and siloxane was carried out via a hydrosilylation reaction in solution. Products were isolated by phase-separation and gel permeation chromatography (GPC).Thermotropic behaviour was studied using optical microscopy, differential scanning calorimetry (DSC) and, in

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17

Shrestha, Arjina. "Variability in mesophyll conductance to CO2 in grain legumes." Thesis, The University of Sydney, 2017. http://hdl.handle.net/2123/17559.

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Mesophyll conductance (gm) limits the diffusion of CO2 from sub-stomatal cavities to the carboxylation site and is a significant limitation to photosynthesis. However, there is a lack of complete understanding of gm variability and its regulation under different environmental conditions, and relevant studies in grain legumes are scarce. My research projects aimed to characterize genetic variability in gm, to quantify the response of gm to short- and long-term environmental changes and to assess the relationship of gm with leaf water-use efficiency (WUE) in grain legumes. gm and leaf hydraulic

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18

Delport, Matthys Reinhard. "Production and sintering of mesophase pitch from anthralene oil." Diss., University of Pretoria, 2015. http://hdl.handle.net/2263/56132.

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When certain oils and polymers are heated under an inert atmosphere, a high viscosity liquid forms. Examples include crude oil, coal tar, and PVC. Upon further heating, this liquid becomes a progressively harder solid called pitch. Pitch that contains crystalline areas is called mesophase pitch. Mesophase pitch is required for the production of graphite. The purpose of the research was to investigate whether anthracene oil can be used for the production of mesophase pitch for sintering purposes. Sintering involves heating a powder under pressure to produce a solid. Anthracene oil is a low-valu

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19

Asakawa, Harutoshi. "Formation of Giant Single Crystals of Isotactic Polypropylene via Mesophase." 京都大学 (Kyoto University), 2012. http://hdl.handle.net/2433/157611.

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20

Jafari-Fini, Ali. "Design, synthesis and assessment of highly functionalised phthalocyanines." Thesis, University of East Anglia, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267316.

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21

Freiesleben, Konstanze. "Biosynthese der Luteolin-Glucuronide im Roggenprimärblatt-Mesophyll: Charakterisierung der Glucuronosyltransferasen." [S.l. : s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=971655162.

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22

Yan, Jun 1974. "Theory and simulation of texture formation in mesophase carbon fibers." Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=34001.

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Carbonaceous mesophases are discotic nematic liquid crystals that are spun into high performance carbon fibers using the melt spinning process. The spinning process produces a wide range of fiber textures and cross-sectional shapes. The circular planar polar (PP), circular planar radial (PR), ribbon planar radial (RPR), and ribbon planar line (RPL) textures are the most frequently observed in industrial fiber making. This thesis presents, solves, and validates models of mesophase fiber texture formation based on the classical Landau-de Gennes theory of liquid crystals, adapted here to carbonac

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23

Towlson, David Stephen. "Mesophase behaviour in a system of self-assembling discotic amphiphiles." Thesis, University of Leeds, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.238552.

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24

Galanopoulos, Emmanouil. "Synthesis and characterisation of highly oriented mesophase pitch-based composites." Thesis, University of Leeds, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.418767.

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25

Jahr, Michael. "Neue sternförmige Mesogene: Strukturbildung und Chromophore." Doctoral thesis, Universitätsbibliothek Chemnitz, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-68605.

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Gegenstand der vorliegenden Arbeit ist die Herstellung und Charakterisierung neuer sternförmiger Mesogene. Bei den aufgeführten Sternverbindungen, handelt es sich um Oligobenzoate, bestehend aus aromatischen Hydroxy- oder Aminocarbonsäuren, die durch Kupplungsreaktionen mit Dicylohexycarbodiimid, in einer konvergenten Synthesestrategie verknüpft wurden. Das besondere Augenmerk der Arbeit richtete sich auf die Charakterisierung der von den neuen Substanzen gebildeten Mesophasen, die mit Hilfe von Polarisationsmikrokopie, dynamischer Differenzialkalorimetrie und Röntgenstreuung erfolgte. Zur Au

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26

Hope-Ross, Kyle Andrew. "Synthesis and characterization of C₂ symmetric liquid crystalline materials." Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/4088.

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A number of compounds were synthesized with the ultimate goal being the synthesis of C₂ symmetric molecules which displayed thermotropic liquid crystalline behaviour. The compounds prepared were 4-alkoxy benzophenones, 3,4-bis-alkoxy benzophenones, 4- alkoxy dibenzylidene acetones, 3,4-bis-alkoxy dibenzylidene acetones and 4-alkoxy- 1, 9-diphenyl-nona-l,3,6,8-tetraen-5-ones. The length of the linear alkoxy side chain was varied from C₆H₁₃ to C₁₂H₂₅. All compounds were characterized by FTIR, ¹H, and ¹³C NMR spectroscopy. Mesophase behaviour of the synthesized compounds was investigated using di

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27

Santos, Ana Cristina Rocha de Figueiredo. "Morfoanatomia foliar de onze cultivares de videira (Vitis vinifera L.subsp. vinifera)." Master's thesis, ISA/UL, 2014. http://hdl.handle.net/10400.5/8287.

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Mestrado em Engenharia Agronómica - Instituto Superior de Agronomia<br>This work describes the leaf morphoanatomy of 11 grapevine cultivars, grown at Tapada Ajuda, Lisbon. The white cultivars studied were ‘Alvarinho’, ‘Arinto’, ‘Encruzado’, ‘Macabeu’, ‘Moscatel Galego’, ‘Moscatel de Setúbal’ and ‘Viosinho’. The red ones were ‘Cabernet Sauvignon’, ‘Syrah’, ‘Touriga Nacional’ and ‘Trindadeira’. The leaf area was determined by scanning and under Light Microscopy the thickness of the cuticule, epidermis, total mesophyll as well as palisade and spongy parenchyma. Under Scanning Electron Micro

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28

Gupta, Gaurav. "Computational material science of carboncarbon : composites based on carbonaceous mesophase matrices." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=83865.

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Carbon/Carbon composites belong to the generic class of fiber reinforced composites and are widely used because of their high strength as well as chemical and thermal stability. Like other fiber reinforced composites they consist of the fibers which act as reinforcements and matrix which acts as a glue that binds the fibers. c/c composites from pitch based precursor are unique since the matrix in this case is a liquid crystal or mesophase. This makes them remarkable in the sense that unlike c/c composites from other precursors such as PAN, rayon etc. they have extremely high degree of m

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29

Sharma, Dinesh 1972. "Theory and simulation of texture selection mechanisms in mesophase carbon fibers." Thesis, McGill University, 2003. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=79239.

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Carbon fiber precursors are spun from carbonaceous mesophases using standard melt spinning techniques. These melt spun carbon fibers exhibit a multitude of cross sectional fiber textures. The two widely reported textures in literature are planar radial (PR) and planar polar (PP). This thesis uses a mesoscopic model, based on the classical Landau de-Gennes theory of liquid crystals and adapted here to carbonaceous mesophases, to study the steady state and transient phenomena involved in the mesophase carbon fiber texture formation. The model is successfully able to capture the microstruc

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30

Lin, Quan. "Differentiation of tracheary elements from mesophyll cells of Zinnia elegens L." Thesis, University of Cambridge, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358693.

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31

Jonathan, Tietz I. "Thienothiophene-Based Liquid Crystals: Synthesis and Comparative Evaluation of Mesophase Properties." Kent State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=kent1343074444.

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32

Guo, Hong. "Structure property relations in a range of mesophase pitch-based carbon fibres." Thesis, University of Leeds, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.578963.

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33

Gillham, Malcolm C. "Biosysmetric studies on some mesophyll-feeding leafhoppers associated with trees and shrubs." Thesis, Cardiff University, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375963.

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34

Qiu, Hong. "The mesophase behavior of the monoacylglycerol/water systems : application in drug delivery /." The Ohio State University, 1998. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487953567770767.

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35

Sawers, Ruairidh J. H. "Functional analysis of bundle sheath defective2." Thesis, University of Oxford, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342541.

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36

Tatsumi, Mio. "Studies on Novel Anisotropic Polymer Composites Synthesized from Mesomorphic Colloidal Suspensions of Cellulose Nanocrystals." Kyoto University, 2015. http://hdl.handle.net/2433/202725.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第19320号<br>農博第2141号<br>新制||農||1036(附属図書館)<br>学位論文||H28||N4948(農学部図書室)<br>32322<br>京都大学大学院農学研究科森林科学専攻<br>(主査)教授西尾嘉之, 教授木村恒久, 教授髙野俊幸<br>学位規則第4条第1項該当

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37

Cheng, Xiaohong. "Synthesis and mesophase characterization of non-conventional polyphilic block molecules with perfluorinated chains." [S.l. : s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=963613111.

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38

Karley, Alison Jane. "Differential ion accumulation and ion fluxes in the mesophyll and epidermis of barley." Thesis, University of York, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.298388.

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39

Murphy, Stephen J. "Vegetation Dynamics of an Old-growth Mixed Mesophytic Forest in Southeastern Ohio, USA." Ohio University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1350941088.

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40

Owen, Aaron. "ASSISTED DEVELOPMENT OF MESOPHASE PITCH WITH DISPERSED GRAPHENE AND ITS RESULTING CARBON FIBERS." UKnowledge, 2018. https://uknowledge.uky.edu/me_etds/126.

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The efficacy of dispersed reduced graphene oxide (rGO) as a nucleation site for the growth of mesophase in an isotropic pitch was investigated and quantified in this study. Concentrations of rGO were systematically tested in an isotropic petroleum and coal-tar pitch during thermal treatments and compared to pitch without rGO. The mesophase content of each thermally treated pitch was quantified by polarized light point counting. Further characterization of softening temperature and insolubles were quantified. Additionally, the pitches with and without rGO were melt spun, graphitized, and tensil

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41

Tipping, Claudia, of Western Sydney Hawkesbury University, of Science Technology and Agriculture Faculty, and School of Horticulture. "Morphological and structural investigations into C3 C4 and C3/C4 members of the genus Panicum grown under elevated CO2 concentrations." THESIS_FSTA_HOR_Tipping_C.xml, 1996. http://handle.uws.edu.au:8081/1959.7/329.

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Three perennial tropical Panicum species were grown under ambient and elevated (900 ppm) carbon dioxide concentrations in especially designed microclimate chambers. The study aimed to investigate the influence of high carbon dioxide concentrations on morphology/anatomy with physiological change among three closely related species possessing distinctly different photosynthetic pathways. The anatomy of the leaf was investigated using light microscopy (LM), transmission electron microscopy (TEM), and graphics image analysis. A suitable schedule for fixation, dehydration and embedding of leaf spec

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42

Golmohammadi, Mojdeh. "Theory and simulation of thermodynamics and flow induced order in carbonaceous mesophase binary mixtures." Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=97066.

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Carbonaceous mesophases (CMs) obtained from petroleum pitches and naphthalene precursors are mixtures of discotic nematic liquid crystals (DNLCs) employed to produce high performance carbon fibers (CFs). Natural pitches are usually polydisperse while synthetic ones are currently produced with very narrow molecular weight distributions.To design and control the final structure and mechanical properties of CFs three key parameters have to be considered: (i) characteristics of the raw material including the molecular weight, molecular interactions and the concentration of each species, (ii) the p

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43

Mc, Sherry Ian. "The synthesis and mesophase behaviour of some chiral heterocyclic mesogens containing the thiophene nucleus." Thesis, University of Nottingham, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.308311.

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44

Crane, Andrew J. "Coarse-grained simulations of the self-assembly and mesophase behaviour of polyphilic liquid crystals." Thesis, Imperial College London, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.526371.

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45

CRIQUI, MARIE-CLAIRE. "Evenements moleculaires precoces dans les protoplastes issus de cellules de mesophylle de nicotiana sylvestris." Université Louis Pasteur (Strasbourg) (1971-2008), 1992. http://www.theses.fr/1992STR13015.

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Les protoplastes issus du mesophylle de nicotiana sylvestris sont capables de reinitier le cycle cellulaire, a savoir, regenerer une nouvelle paroi et se diviser. L'etude des evenements moleculaires precoces par l'intermediaire d'une banque d'adn complementaire a permis de montrer que tres rapidement le protoplaste n'exprime plus les messagers caracteristiques d'une cellule de mesophylle principalement impliquee dans la photosynthese, mais par contre il exprime une nouvelle gamme de genes principalement impliques dans la reponse aux nombreux stress subis lors de son isolement comme les genes c

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46

Pjontek, Dominic. "Fluid Dynamic Studies in Support of an Industrial Ebullated Bed Hydroprocessor." Thesis, Université d'Ottawa / University of Ottawa, 2014. http://hdl.handle.net/10393/31345.

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Commercial ebullated bed hydroprocessors, such as the LC-Finer, are used for the production of synthetic crude oil by upgrading bitumen extracted from the Alberta oil sands. The objective of this thesis was to investigate the impact of an increased vacuum distillation tower bottoms feed fraction on the reactor fluid dynamics (e.g., bed and freeboard phase holdups, bubble characteristics and local fluidization behaviour). Industrial conditions were simulated in a high pressure gas-liquid-solid fluidization system based on dimensional and geometric similitude. Considering important geometric cha

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47

Yang, Bin. "Surfactant and polyelectrolytes templated mesostructured inorganic materials." Thesis, University of Bath, 2010. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.528113.

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In this work we have explored the possibility of using surfactant/polyelectrolyte complexes as templates to synthesize inorganic mesostructured materials mainly with a film morphology. Inorganic species deposit in those regions of the films which are filled with a polymer hydrogel, surrounding the arrays of ordered surfactant micelles. This method produced thick robust films where the inorganic regions are reinforced and functionalized by the polymer, thus these materials are expected to have potential applications in separation, absorption, catalysis and chemical sensing. Initial work involve

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48

Clark, John Graham. "The modification of Waxy Oil for preparing a potential feedstock for needle coke production." Thesis, University of Pretoria, 2011. http://hdl.handle.net/2263/26510.

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This research study determines the potential to increase substantially the anisotropy of a coke from an aliphatic Waxy Oil produced by Sasol Synfuels at Secunda, South Africa. Experimental modifications included filtration, distillation and thermal treatment, followed by distillation with the aim of producing a carbonised product similar to needle coke. The substantial concentration of an iron oxide catalyst (up to 2%) in Waxy Oil is increased by an order of magnitude upon carbonisation and calcination due to low coke yield and reactivity factors. The catalyst also promotes oxidative polymeris

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49

Liu, Chia Hua, and 劉家樺. "Rheological Study of Mesophase Polydiethylsiloxane and Polydimethysiloxane." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/r3mxh2.

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碩士<br>國立臺北科技大學<br>有機高分子研究所<br>98<br>poly(diethylsiloxane) (PDES) is a flexible main-chain isotropic polymer which has columnar mesophase depending on molecular weight. High molecular weight PDES has been shown to crystallize into two different modifications: α and β phase PDES. Preferably kinetic α phase is a monoclinic packing and the thermodynamically more stable β phase has formed tetragonal lattice. A third crystalline modification has been reported for low molecular weight PDES. This modification, designated γ PDES, was found to closely resemble the tetragonal β modification. This study i

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50

Lu, Chun-huesh, and 盧俊學. "Preparation of refined pitch and its mesophase development." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/55115260922925200807.

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碩士<br>大同大學<br>材料工程學系(所)<br>99<br>This study is divided into four parts the Preparation of refined pitch using solvent method, mesophase to remove edge-particles, Mixture of TI / TS (toluene insoluble / toluene soluble) effects for the mesophase generated and quinoline insoluble (QI) effects for the mesophase pattern generated. Preparation of refined pitch using solvent method in the QI removed use of the china steel chemical corporation Company’s coal tar pitch (Code BP). Solvent method added aromatic wash oil to dilute the pitch viscosity to increase pitch mobility, adding aliphatic solvent

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