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Dissertations / Theses on the topic 'Salt formulation'

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1

Elzokra, Ahmed Adel Emhemed. "Damage mechanisms in porous building materials due to salt crystallization: formulation of equivalent materials for masonry." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021.

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An equivalent material approach is presented for the computation of the elastic properties of brick masonry and for the assessment of salt crystallization in masonry structures. A stacked brick-mortar system consisting of a series of parallel layers which behave elastically is introduced. This is extended such that masonry with two sets of mortar joints (bed and head joints) can be represented by an equivalent homogeneous orthotropic elastic material. It is then extended to salt deteriorated brick masonry by including salt crystals induced within the pores. In terms of the elastic properties o
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2

Castiglia, Francesca. "The antimicrobial peptide SET-M33. Strategies to improve the manufacturing procedures and production of back-up molecules as novel antibiotics." Doctoral thesis, Università di Siena, 2021. http://hdl.handle.net/11365/1142986.

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The synthetic antimicrobial peptide SET-M33 is being developed as a possible new antibacterial candidate for the treatment of multi-drug resistant bacteria. SET-M33 is a branched peptide featuring higher resistance and bioavailability than its linear analogues. SET-M33 shows antimicrobial activity against different species of multi-resistant Gram-negative bacteria, including clinically isolated strains of Pseudomonas aeruginosa, Klebsiella pneumoniae, Acinetobacter baumanii and Escherichia coli. In this thesis are repoted strategies to improve the biopharmaceutical development and manufacturin
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3

Aloui, Eya. "Formulation de biomatériaux innovants à base de complexes biomacromoléculaires." Thesis, Strasbourg, 2020. http://www.theses.fr/2020STRAE012.

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Une nouvelle ère dans la conception des biomatériaux devrait émerger pour traiter simultanément les problèmes liés à la toxicité des produits de dégradation, aux infections et à la libération contrôlée. Les matériaux à base d'albumine suscitent un intérêt croissant en raison de leur biocompatibilité, biodégradabilité, biofonctionnalité et manufacturabilité. Dans la présente étude, une nouvelle famille de matériaux à base d'albumine est conçue. Ces matériaux sont obtenus par compaction assistée par le sel, où des solutions d'albumine bovine (BSA) sont évaporées à 37 °C en présence de sel. Après
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4

Saedtler, Marco [Verfasser], Lorenz [Gutachter] Meinel, and Ulrike [Gutachter] Holzgrabe. "Pharmaceutical formulation strategies for novel antibiotic substances utilizing salt formation and two- and three-dimensional printing techniques / Marco Saedtler ; Gutachter: Lorenz Meinel, Ulrike Holzgrabe." Würzburg : Universität Würzburg, 2021. http://d-nb.info/1225296013/34.

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5

Sayah, Simon. "Impact de la formulation d'électrolytes sur les performances d'une électrode négative nanocomposite silicium-étain pour batteries Li-ion." Thesis, Tours, 2017. http://www.theses.fr/2017TOUR4025/document.

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Ce projet de thèse porte sur la recherche de nouveaux électrolytes et additifs dans le but d’améliorer la cyclabilité d’une électrode négative composite de formule Si0.32Ni0.14Sn0.17Al0.04C0.35 et d’obtenir une interface électrode|électrolyte stable. En effet, comme la plupart des matériaux à base de silicium, ce composite de grande capacité (plus de 600 mA.h.g-1) souffre actuellement d’une faible durée de vie provenant essentiellement des expansions volumiques qu’il subit lors de sa lithiation et de sa SEI défaillante. Deux types d'électrolytes ont été évalués : (i) un mélange de carbonates d
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6

Berhaut, Christopher Logan. "Propriétés de transport des sels de lithium LiTDI et LiFSI : application à la formulation d'électrolytes optimisés pour batteries Li-ion." Thesis, Tours, 2016. http://www.theses.fr/2016TOUR4017/document.

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La plupart des batteries Li-ion aujourd’hui utilisent des électrolytes à base de LiPF6 un sel de lithium connu pour son instabilité chimique au-delà de 60°C car il se dégrade en libérant PF5 et LiF. En présence de traces d’eau il génère en plus des composés oxyfluorophosphorés et du HF qui peut être dommageable à la fois pour les performances et pour le vieillissement de l’accumulateur. Plusieurs sels sont candidats au remplacement de LiPF6, notamment ceux basés sur les anions fluorosulfonylamidures et les anions de Hückel. Ce travail concerne l’étude des propriétés physico-chimiques et de tra
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7

Rodríguez-Laguna, María del Rocío. "Heat transfer fluids: From fundamental aspects of graphene nanofluids at room temperature to molten salts formulations for solar-thermal conversion." Doctoral thesis, Universitat Autònoma de Barcelona, 2019. http://hdl.handle.net/10803/667803.

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Los fluidos de transferencia de calor, y en particular los nanofluidos, se pueden considerar un elemento esencial en diversos sectores industriales y su rendimiento es clave para una adecuada aplicación en tecnologías que van desde la gestión térmica y la refrigeración, a la generación de energía solar térmica y eléctrica mediante el uso de intercambiadores de calor. Estas industrias necesitan fluidos de transferencia de calor con un rango de temperatura del líquido más amplio y mejores prestaciones en la transferencia de calor que los fluidos convencionales. Todos los fluidos parecen benefici
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8

Steyn, Heidi. "Formulation, in vitro release and transdermal diffusion of anti-inflammatory gel preparations containing diclofenac salts / by Heidi Steyn." Thesis, North-West University, 2010. http://hdl.handle.net/10394/3983.

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Most individuals are influenced by pain at some stage in their lives. It can either be of acute or chronic nature. An acute pain condition initiates and is treated within a time span of 12 weeks. Chronic pain can, however, take substantially longer to treat. Chronic pain may last up to 6 months after the original injury was sustained. The after effects of chronic pain can, however, take years to heal, but physical and emotional scars may even last much longer than the initial chronic ailment. In this study the skin was chosen as an area for delivery of non-steroidal anti-inflammatory drugs fo
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9

Septien, Rojas Jose M. "Physico-chemical interactions between silica, salts, water and organohydroxy compounds in clear gel toothpaste formulations." Thesis, Manchester Metropolitan University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325423.

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10

Louisy, Jérémie. "Synthesis of novel phosphinate salts and development of formulations for the flame retardancy of glass fiber reinforced PolyButylene Terephthalate (PBT)." Thesis, Lille 1, 2012. http://www.theses.fr/2012LIL10162/document.

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Cette étude s’intéresse aux procédés d’ignifugation d’un thermoplastique, le PolyButylène Téréphthalate (PBT), et plus particulièrement à l’ajout en masse de retardateurs de flamme à base de phosphore. L’objectif de ce projet consiste à mettre au point une formulation PBT renforcée avec des fibres de verre et ignifugée en vue d’application dans le domaine électrique et électronique. Dans un premier temps, les propriétés au feu de différents additifs combinés à un sel de diethylphosphinate d’aluminium commercial sont évaluées. Différents sels de phosphinate dérivés de l’acide carboxyethyl(methy
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11

Bustos, Salgado Paola. "Biopharmaceutical study of therapeutic efficacy of nanostructured formulations made from products of natural origin." Doctoral thesis, Universitat de Barcelona, 2021. http://hdl.handle.net/10803/673940.

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This research work was aimed at the characterization in vitro, ex vivo and in vivo of nanostructured systems which independently contain a natural flavanone extracted from Eysenhardtia platycarpa and another four flavanones obtained through semi-synthesis of the first flavanone with the objective of providing evidence of their efficaciousness as anti-inflammatory cutaneous agents. Initially the flavanone was isolated from its natural source, and following on from this, the derivatives were obtained through chemical reactions of acetylation, methylation, cyclization and vinyl cyclization. Calcu
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12

ABRATE, NICOLO'. "Methods for safety and stability analysis of nuclear systems." Doctoral thesis, Politecnico di Torino, 2022. http://hdl.handle.net/11583/2971611.

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13

Sisteré, i. Oró Marta. "Towards a universal influenza vaccine: generation and evaluation of vaccine formulations based on HA-epitopes in different influenza hosts." Doctoral thesis, Universitat Autònoma de Barcelona, 2019. http://hdl.handle.net/10803/667275.

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Els virus de la influença tipus A (VIAs), han estat implicats en cinc pandèmies i ocasionen, any rere any, epidèmies estacionals. Tenen un elevat potencial zoonòtic, afectant un ampli ventall d’hostes. Els seus principals reservoris són les aus salvatges aquàtiques que poden transmetre el virus a aus domèstiques, i aquestes, a porcs i humans. A més, els porcs són considerats hostes intermediaris, susceptibles d’infecció tant per virus humans com aviars. La mesura preventiva més efectiva contra els VIAs són les vacunes. La majoria són vacunes inactivades que contenen soques dels subtipus circul
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14

Lange, Catilcia Prass. "Formulação e ensino-aprendizagem na fala-em-interação de sala de aula de inglês como língua adicional na educação de jovens e adultos." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2010. http://hdl.handle.net/10183/25749.

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Esta pesquisa tem como objetivo investigar a prática de formulação na fala-em-interação de uma sala de aula de inglês como língua adicional na Educação de Jovens e Adultos (EJA). Os conceitos teóricos e a fundamentação metodológica estão embasados na Análise da Conversa Etnometodológica (ACE). O conjunto de dados se constitui de cerca de 14 horas de gravações audiovisuais realizadas em uma escola estadual situada na periferia geográfica e econômica de Porto Alegre. Houve trabalho colaborativo entre a pesquisadora e a professora de inglês da escola que produziram em conjunto o material didático
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15

Salimen, Paola Guimaraens. "A realização interacional de atividades pedagógicas em uma sala de aula de língua adicional pautada por projetos : reflexões para o planejamento de tarefas pedagógicas além do enunciado." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2016. http://hdl.handle.net/10183/150309.

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O objetivo desta tese é relacionar análises de segmentos transcritos de fala-em-interação de sala de aula de língua adicional e orientações acerca de metodologia de ensino. Em especial, esta pesquisa propõe colocar em discussão as orientações presentes em manuais de metodologia de ensino de línguas adicionais (Brown, 2007; Hall, 2001a; Harmer, 2009; Schlatter & Garcez, 2012; Scrivener, 2012) acerca do planejamento de tarefas pedagógicas e do gerenciamento interacional da participação dos alunos durante a realização de atividades pedagógicas. Para a realização do estudo, foram geradas 20 horas
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16

Mathieu-Scheers, Emilie. "Développement de capteur électrochimique pour la détection de micropolluants prioritaires." Thesis, Orléans, 2018. http://www.theses.fr/2018ORLE2024.

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Capteur électrochimique basé sur des matériaux carbonés fonctionnalisés, pour la détection de deux micropolluants faisant partie des substances prioritaires de la Directive Cadre européenne sur l’Eau (DCE2000/60/CE) : le plomb et l’anthracène. Les capteurs électrochimiques permettent d’atteindre des limites de détection et une sélectivité adéquates pour l’analyse de micropolluants dont les concentrations sont de l’ordredu μg/L, et sont simples d’utilisation pour des analyses in situ à moindre coût comparés aux appareils d’analyses conventionnels. Leur robustesse est un paramètre important afin
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17

Saedtler, Marco. "Pharmaceutical formulation strategies for novel antibiotic substances utilizing salt formation and two- and three-dimensional printing techniques." Doctoral thesis, 2021. https://doi.org/10.25972/OPUS-21978.

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Salt formation is a routinely used strategy for poorly water-soluble drugs and traditionally performed with small inorganic counterions. High energy crystal lattices as well as effects on the local pH within the aqueous boundary layer during dissolution drive the increased dissolution rate and apparent solubility. Ionic liquids however, by definition low melting ionic salts with often large organic counterions, combine an increased dissolution rate with solubilization of the drug by the counterion itself. Long lasting supersaturation profiles of increased kinetic solubility were reported for s
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18

Tatini, Duccio. "Lower environmental impact formulations for European shale gas plants." Doctoral thesis, 2019. https://hdl.handle.net/2158/1293840.

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Nowadays, shale gas is the fastest growing natural unconventional gas resource worldwide, as a result of the combination between major technological developments and geopolitical events. Despite the great potential in terms of exploitable reservoirs, several environmental issues have been associated to shale gas extraction and hydraulic fracturing, like induced seismicity, greenhouse gas emissions, and water contamination. In this perspective, the formulation of environmentally-safe fracturing fluids plays a crucial role in the minimization of the environmental footprint of shale gas exploitat
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19

Li, Xinran. "Vaccine formulation development : towards addressing major limitations of vaccines that are adjuvanted with aluminum salts." Thesis, 2013. http://hdl.handle.net/2152/28737.

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Many vaccines require an adjuvant to induce a strong immune response. Aluminum–containing adjuvants have been approved by the United States Food and Drug Administration for human use for many years. There are two main aluminum-containing adjuvants, aluminum hydroxide and aluminum phosphate. Due to their favorable safety profile, aluminum-containing adjuvants have been widely used in human vaccines for decades. Many currently licensed and commercially available vaccines contain aluminum-containing adjuvants. However, aluminum-containing vaccine adjuvants suffer from two major limiting factors:
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20

Smith, Hanri. "Formulation, in vitro release and transdermal diffusion of diclofenac salts by implementation of the delivery gap principle / Hanri Smith." Thesis, 2013. http://hdl.handle.net/10394/12003.

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Nonsteroidal anti-inflammatory drugs (NSAIDs) are widely used in the treatment of inflammation and pain (Escribano et al., 2003:203). Diclofenac, a classical NSAID, is considerably more effective as an analgesic, antipyretic and anti-inflammatory drug than other traditional NSAIDs, like indomethacin and naproxen (Grosser et al., 2011:986). However, the use of diclofenac is known for its many side effects, such as gastric disorders, while fluid and sodium retention are also commonly observed (Rossiter, 2012:391). Since topical diclofenac offers a more favourable safety profile, it is a valuable
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21

Chiu, Yi-Hsin, and 邱懿歆. "A study of 9th graders’ capabilities in formulating and transferring chemical representations: Using “Acid, Base, and Salt” as an Example." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/86849808639207735886.

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碩士<br>國立臺中教育大學<br>科學應用與推廣學系科學教育碩士班<br>101<br>In this study, a total of 383 9th graders’ ability in formulating and transferring representations regarding “acid” and “acid-base neutralization” was investigated. Also, this study explored if high achievers and low achievers varied in their ability in formulating and transferring representations. Two instruments for assessing student ability in formulating and transferring representations regarding acid and acid-base neutralization were developed in this study. The participants’ responses on the questionnaires were analyzed qualitatively, and then
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