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Dissertations / Theses on the topic 'Pyrrolidone-2'

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Published: 5 June 2025

Last updated: 2 August 2025

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1

Altinsoy, Sule. "Polymerization And Characterization Of N-vinyl-2-pyrrolidone." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12611238/index.pdf.

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N-vinyl-2-pyrrolidone, NVP, was polymerized by &amp<br>#56256<br>&amp<br>#56394<br>-radiation in the presence of atmospheric oxygen and under vacuum at different periods. Polymerization also conducted by using chemical initiator, &amp<br>#56256<br>&amp<br>#56466<br>-Azoisobutyronitrile, AIBN, in bulk at different temperatures and times. The activation energy for polymerization was found from Arrhenius plot as 31,8 kJ/mol. By using the Fox-Flory equation T&amp<br>#56256<br>&amp<br>#56394<br>and k values calculated for each polymerization methods. The polymer obtained was white gel type. The dif

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2

Ahmad, Mansor Bin. "Preparation and properties of copolymeric hydrogels based on N-vinyl-2-pyrrolidone." Thesis, University of Salford, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386444.

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3

Marchand, Jessica. "Synthèse de nouveaux nitroxydes et application à la polymérisation radicalaire contrôlée." Aix-Marseille 1, 2009. http://www.theses.fr/2009AIX11027.

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La polymérisation radicalaire contrôlée par les nitroxydes ou NMP (Nitroxide - Mediated Polymerization) est maintenant reconnue comme une méthode particulièrement efficace pour obtenir des polymères de structure et de composition bien définies. Jusqu’à présent, le nitroxyde le plus performant dans le domaine de la NMP est le nitroxyde b-phosphoré SG1 développé par Tordo et al. , en collaboration avec la société ARKEMA. Toutefois, ce nitroxyde présente une limitation liée à un coût de revient trop élevé pour envisager son utilisation pour l’élaboration de polymères de grande consommation. C’est

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4

Benkorah, Amal Y. "An investigation of in vitro percutaneous penetration enhancement of benzocaine by azone, dimethylsulfoxide, and 2-pyrrolidone." Scholarly Commons, 1986. https://scholarlycommons.pacific.edu/uop_etds/494.

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This research utilizing full thickness human abdominal skin was designed to assess the in vitro percutaneous penetration of benzocaine by 1-dodecylazacycloheptan-2-one (Azone) , dimethylsulfoxide (DMSO) and 2-pyrrolidone (2-P) under conditions of constant thermodynamic activity in the vehicle. The solubilities of benzocaine in Azone and 80/20, 60/40 and 40/60 V/V DMSO/water systems were found to be 254.17, 533.00, 68.60 and 2.51 mg/ml respectively. All three adjuvants demonstrated a significant but concentration- dependent enhancement of benzocaine penetration. On the basis of comparative ana

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5

Falher, Thierry. "Post-greffage de la n-vinyl-2-pyrrolidone sur un film de polypropylene modifie par un plasma froid d'azote." Le Mans, 1996. http://www.theses.fr/1996LEMA1005.

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6

Thürmer, Monica Beatriz. "Alfa-fosfato tricálcico obtido por reação via úmida para aplicação em cimentos ósseos e cimentos compósitos." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/159263.

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Nos últimos anos, intensos estudos vêm sendo realizados no que se refere a substitutos ósseos biocompatíveis e absorvíveis, notadamente os cimentos ósseos de fosfato de cálcio, para cirurgias de reconstrução e em engenharia de tecidos. Porém os cimentos de fosfato de cálcio desenvolvidos apresentam baixa resistência mecânica quando comparados com os ossos do corpo humano. Neste contexto, a busca por alternativas para minimizar esse problema tem se intensificado. A obtenção de alfa-fosfato tricálcico por outras rotas de síntese, bem como o desenvolvimento de compósitos de fosfatos de cálcio e h

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7

Barros, Janaina Aline Galvão. "Reticulação da poli (N-vinil-2-pirrolidona) e copolímeros por processos químicos." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/46/46135/tde-29112007-160103/.

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Hidrogéis são materiais poliméricos com habilidade em intumescer em água e fluidos biológicos sem, contudo, se dissolver. Devido às suas propriedades de maciez e biocompatibilidade, estes materiais têm tido um crescimento enorme na área de engenharia de tecido, encapsulamento de células e liberação de drogas. Este trabalho visa a produção de hidrogéis de poli(N-vinil-2-pirrolidona) e seus copolímeros a partir de reticulações químicas. Como metodologia alternativa de produção de hidrogéis de poli(N-vinil-2-pirrolidona), foi estudada a reticulação do PVP por reação de Fenton, sendo que

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8

Erdogan, Huriye. "In-situ Generation Of Poly(n-vinyl-2-pyrrolidone)-stabilized Palladium(0) And Ruthenium(0) Nanoclusters As Catalysts For Hydrogen Generation From The Methanolysis Of Ammonia-borane." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/3/12611847/index.pdf.

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More attention has been paid to find new type renewable energy sources because of increasing concern about the environmental problems arising from the combustion of fossil fuels as energy sources. The development of new storage materials will facilitate the use of hydrogen as a major energy carrier. Several possibilities exist for &lsquo<br>&lsquo<br>solid-state&rsquo<br>&rsquo<br>storage: the hydrogen can be trapped in metal organic frameworks, carbon nanotubes and certain alloys<br>or one can use materials in which hydrogen is already present in the composition (e.g., chemical hydrides). The

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9

BOUAYAD, ZOHEIR. "Ouverture nucleophile d'aziridines fonctionnalisees par des composes a methylene actif : synthese de pyrrolidones-2 fonctionnalisees." Clermont-Ferrand 2, 1987. http://www.theses.fr/1987CLF2S884.

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10

Brant, Antonio Jedson Caldeira. "Preparação e caraterização de hidrogéis a partir de misturas de soluções de quitosana e poli(N-vinil-2-pirrolidona)." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/46/46135/tde-10062008-154244/.

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Blendas poliméricas são misturas físicas de dois ou mais polímeros. O interesse de obtenção de blendas poliméricas, com características físicas e químicas desejadas para as mais diversas aplicações, é crescente em todo o mundo. Neste trabalho foram desenvolvidos filmes de blendas de quitosana e poli(N-vinil-2-pirrolidona) (PVP) em várias proporções. A irradiação destes filmes com radiação UV254nm gerou hidrogéis estáveis. Foram também obtidos hidrogéis a partir de co-soluções aquosas destes polímeros, em diversas proporções, com reticulação de seus componentes induzida pela radiação ultraviole

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11

Pino, Guillaume. "Synthèse et auto-assemblage de copolymères à blocs à paramètre d’interaction de Flory-Huggins élevé." Thesis, Bordeaux, 2021. http://www.theses.fr/2021BORD0098.

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Cette thèse porte sur la synthèse de copolymères à blocs (BCPs) à haut pouvoir de ségrégation pour des applications en nanolithographie. La voie de synthèse qui a été retenue est la polymérisation radicalaire contrôlée par les nitroxydes ou NMP. Parmi tous les copolymères à blocs synthétisés, nous avons choisi de nous intéresser plus particulièrement à l'association de blocs 'hydrophile' et 'hydrophobe' à squelettes polystyrène. Le bloc hydrophile poly(3,4-dihydroxystyrène) (PDHS) s'est montré très intéressant en association avec les blocs poly(4-tertbutylstyrène) (PtBS) et poly(4-triméthylsil

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12

Barbosa, Isabella Tereza Ferro. "Obtenção de membranas hidrofílicas a base de PVP (Poli N-vinil-2-pirrolidona) contendo alginato de sódio e nanocarga de pseudoboemita obtida pelo processo sol-gel." Universidade Presbiteriana Mackenzie, 2011. http://tede.mackenzie.br/jspui/handle/tede/1315.

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Made available in DSpace on 2016-03-15T19:36:29Z (GMT). No. of bitstreams: 1 Isabella Tereza Ferro Barbosa.pdf: 1500669 bytes, checksum: 82ebaab9bd4deeb9abb1fde076f7951a (MD5) Previous issue date: 2011-03-03<br>Fundo Mackenzie de Pesquisa<br>The use of hydrogels combined with various additives in tissue regeneration and wound scarring, injuries and burnings has been an option in treatments of difficult scarring, infected-bleeding wounds, burnings and other diseases whose treatments, moist and sterilized resources are required. The hydrogels based on poly (N-vinyl-2-pyrrolidone) are membranes

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13

Fruth, Daniela [Verfasser]. "N-Vinyl-2-pyrrolidon: Untersuchungen zum hepatokanzerogenen Mechanismus / Daniela Fruth." Mainz : Universitätsbibliothek Mainz, 2019. http://d-nb.info/118545098X/34.

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14

Metin, Onder. "Synthesis And Characterization Of Water Soluble Polymer Stabilized Transition Metal(0) Nanoclusters As Catalyst In Hydrogen Generation From The Hydrolysis Of Sodium Borohydride And Ammonia Borane." Phd thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612717/index.pdf.

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Metal nanoclusters exhibit unique properties which differ from their bulk materials, owing to the quantum size effects. For example, the catalytic activity of transition metal nanoclusters generally increases with decreasing particle size. However, nanoclusters tend to be fairly unstable with respect to the agglomerate into bulk metal in solution and thus special precautions have to be taken to avoid their aggregation or precipitation during the preparation of such nanoclusters in solution. In order to obtain stable nanoclusters dispersed in solution, a stabilizing agent is usually added into

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15

EL, ALAMI NAJAT. "Isolement et reactivite du derive zincique de (bromomethyl-2) acrylate d'ethyle : synthese de methylene-3 pyrrolidinone-3 potentiellement antineoplasique." Nantes, 1987. http://www.theses.fr/1987NANT2016.

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Reaction de l'organozinicique allylique prepare, avec divers electrophiles conduisant a des methylene-3 perhydrofurannones-2 et -pyrrolidones-2. Etude de l'activite de ces composes sur la leucamie p388

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16

Bouayad, Zoheir. "Ouverture nucléophile d'aziridines fonctionnalisées par des composés à méthylène actif synthèse de pyrrolidones-2 fonctionnalisées /." Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb376032041.

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17

Louven, Yannik [Verfasser], Regina [Akademischer Betreuer] Palkovits, and Andrij [Akademischer Betreuer] Pich. "Heterogen katalysierte reduktive Umsetzung von biogenen Carbonsäuren zu 2-Pyrrolidonen und deren Vinylierung zu Monomeren / Yannik Louven ; Regina Palkovits, Andrij Pich." Aachen : Universitätsbibliothek der RWTH Aachen, 2021. http://d-nb.info/1238693849/34.

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18

Dommanget, Cédric. "Polymérisation radicalaire contrôlée : le défi de l'éthylène." Thesis, Lyon 1, 2013. http://www.theses.fr/2013LYO10216/document.

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Les travaux présentés dans cette thèse portent sur le contrôle de la polymérisation radicalaire de l'éthylène à basse pression (200 bar) et basse température (70 °C) et sur la synthèse de copolymères à blocs contenant au moins un segment de polyéthylène. Quatre techniques de polymérisation, couramment utilisées en ingénierie macromoléculaire, ont été étudiées : NMP, CMRP, RAFT/MADIX et ESCP. Nos études sur le nitroxyde SG1 (NMP) et le bis(acétylacétonate) de cobalt (CMRP) ont montré que ces composés sont inefficaces pour contrôler la polymérisation de l'éthylène. Un comportement inattendu du b

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19

Do, Tuyet-Trinh. "Thermal degradation of polyvinyl chloride blends / by Tuyet-Trinh Do." Thesis, Queensland University of Technology, 2000.

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20

Bertram, Jens Verfasser], Henner [Akademischer Betreuer] [Hollert, and Andreas [Akademischer Betreuer] Schäffer. "Expositionsversuche an Sprague-Dawley Ratten zur Untersuchung des Metabolismus von 1-Vinyl-2-pyrrolidon mit dem Ziel der Etablierung einer Human-Biomonitoring Methode / Jens Bertram ; Henner Hollert, Andreas Schäffer." Aachen : Universitätsbibliothek der RWTH Aachen, 2018. http://d-nb.info/116290030X/34.

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21

Bertram, Jens [Verfasser], Henner [Akademischer Betreuer] Hollert, and Andreas [Akademischer Betreuer] Schäffer. "Expositionsversuche an Sprague-Dawley Ratten zur Untersuchung des Metabolismus von 1-Vinyl-2-pyrrolidon mit dem Ziel der Etablierung einer Human-Biomonitoring Methode / Jens Bertram ; Henner Hollert, Andreas Schäffer." Aachen : Universitätsbibliothek der RWTH Aachen, 2018. http://d-nb.info/116290030X/34.

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22

Naicker, Pavanandan Kista. "Thermodynamics of liquid mixtures containing N-methyl-2- pyrrolidone." Thesis, 1997. http://hdl.handle.net/10413/4876.

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This thesis involves a study of the thermodynamics of liquid mixtures containing N-methyl-2pyrrolidone (NMP) and hydrocarbons or ethers. NMP is a polar liquid which is used in liquid extraction procedures for the separation of polar and nonpolar hydrocarbons. It was considered important enough to devote an entire thesis to the properties of NMP related to its interactions with simple hydrocarbons and ethers. The thesis consists of four parts: Part one is devoted to liquid-liquid equilibria. Experimental results at 298.2 K, are presented for the mixtures: NMP + an aromatic hydrocarbon + an n-al

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23

Kumar, Rajeev. "Sequencing of n vinyl 2-pyrrolidone coplymers by NMR spectroscopy." Thesis, 2002. http://localhost:8080/iit/handle/2074/3597.

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24

YANG, TING-HSUANG, and 楊庭軒. "Design, Synthesis and Evaluation of Novel 2-Pyrrolidone-Fused (2-Oxoindolin-3-ylidene)methylpyrrole Derivatives as Potential Anti-angiogenesis Agents." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/sn5639.

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博士<br>國防醫學院<br>醫學科學研究所<br>106<br>Signaling pathways of VEGFs and PDGFs are crucial in tumor angiogenesis, which is essential in solid tumor progression and metastasis. This study reports our strategy for design and synthesis of a series of novel 2-pyrrolidone-fused (2-oxoindolin-3-ylidene)methylpyrrole derivatives as potential multi-target tyrosine kinase receptor inhibitors. The target compounds were obtained by condensation of 5-substituted oxindoles with N-substituted 2-pyrrolidone aldehyde 7 in satisfactory yields. Of these, 11, 12, 23 and 24 had the highest potency and, compared to suniti

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25

Tu, Szu-Ting, and 涂斯婷. "Application of Chemical Filters Impregnated with Citric Acid for the Removal of N-Methyl-2-pyrrolidone in Air." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/32073582771037316807.

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碩士<br>東海大學<br>環境科學與工程學系<br>100<br>Chemical filters are commonly applied in conjunction with particulate filters to maintain the stringent air cleanliness demanded in the manufacturing processes of semiconductor and optoelectronic devices. Chemical filters, generally with activated carbon as the primary sorbent material, are responsible to remove gas-phase contaminants such as inorganic acid/base molecules and volatile/semi-volatile organic molecules. Conventional activated carbon filters, however, are less effective in removing molecular acids or bases as compared to the removal of organic mol

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26

Sewpersad, Renay. "Phase equilibrium measurements at low-to-moderate pressures for systems containing n-Hexane, 1-Hexene and n-Methyl-2-pyrrolidone." Thesis, 2012. http://hdl.handle.net/10413/9656.

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The primary focus of this study is the measurement and modeling of binary and ternary VLE data. The measurements of binary and ternary systems were undertaken on a fully automated dynamic VLE apparatus. The glass dynamic VLE still was modified to handle pressures ranging from 0 to 500 kPa, however, the safest maximum pressure to which tests had been conducted was 350 kPa. Thus, this limit was not to be exceeded during the measurement of experimental data. The systems under investigation included the binary and ternary combinations of the following chemicals: n-hexane, 1-hexene and n-methyl-2-p

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27

Wu, Cheng-Che, and 吳承哲. "Measurement of Thermodynamics and Kinetics of Carbon Dioxide Hydrate in the Presence of 1-Methyl-2-pyrrolidone and 4-Methylmorpholine." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/93069949755091123442.

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28

Ming-Chung, Chen, and 陳銘崇. "Salting Effect on the Liquid-Liquid Equilibria of the Ternary System Water + N-Methyl-2-Pyrrolidone + 1-Pentanol or + 1-Hexanol." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/95680404860278523575.

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碩士<br>明新科技大學<br>化學工程研究所<br>96<br>The objective of this study is to investigate the effects on the liquid-liquid phase equilibrium (LLE) behavior for mixtures of water + N-methy-2-pyrrolidone + 1-pentanol or + 1-hexanol in the presence of an electrolyte (sodium chloride, potassium chloride, or potassium acetate) at temperatures 283.15 K and 323.15 K under atmospheric pressure. The experimental data were also compared with the values calculated by the NRTL and the Electrolyte-NRTL model. In general, the model reproduces reasonably for the LLE phase diagrams. Overall average deviation values are

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29

CHEN, TING-YI, and 陳庭毅. "Study of Thermal Lensing Effects Induced in Chloroaluminum Phthalocyanine Dissolved in Ethanol, 1-Methyl-2-Pyrrolidone and Their Mixture by CW Laser Light." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/73419209962905150999.

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碩士<br>國立中正大學<br>物理系研究所<br>104<br>We investigate the thermal lensing effects induced in Chloroaluminum Phthalocyanine Dissolved in Ethanol, 1-methyl-2-pyrrolidone and their Mixture using the Z-scan technique with a CW He-Ne laser. These three solutions were all filled in 1 mm thick cuvettes at equal concentrations (7.0*10^-4 M). For a hydrostatic system containing one component, the thermal lensing effect evolves with time in the sequences: (i) spatially non-uniform temperature change induced by photo excitation followed by non-radiative relaxation (heating effect) and thermal diffusivity, (ii)

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30

Chang, Hsuan-Chin, and 張誌軒. "Measurement for the solubility of galic acid and propylgallate in the solvents of ethanol, propylene glycol, andN-methyl-2-pyrrolidone and their binary mixtures." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/70990435456178121595.

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碩士<br>中國文化大學<br>化學工程與材料工程學系奈米材料碩士班<br>102<br>Solubility data of many pharmaceutical compounds are important for research topics and commercial applications, and efforts are extented to obtain a number of mathematical fitting models for solubility prediction. Gallic acid is used as inhibitor of human cell fiberization and propyl gallate is used as antioxidant in food processes. In this investigation, the solubilities of gallic acid and propyl gallate in ethanol (EtOH), propylene glycol (PG), and N-methyl-2-pyrrolidone (NMP) and their binary mixtures of EtOH+PG, NMP+EtOH, and NMP+PG were measure

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Gupta, Amit. "Aqueous and Non- aqueous dispersions of MoS2 Nanosheets." Thesis, 2018. https://etd.iisc.ac.in/handle/2005/5352.

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The focus of this thesis is an attempt to provide a molecular perspective of the interactions of solvent and ligand molecules with sonication assisted exfoliated MoS2 nanosheets in aqueous and non-aqueous dispersions. In this thesis both experimental measurements, notably transmission electron microscopy (TEM) and NMR spectroscopy, and molecular dynamics (MD) computer simulations have been used. This thesis consists of six chapters of which, Chapter 2 provides details of the experimental procedures and techniques as well as the classical MD simulation methodologies employed in this stu

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32

Wu, Yuan-hsuan. "Fouling-resistant coating materials for water purification." 2009. http://hdl.handle.net/2152/6662.

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Membrane technology has been used in water purification for decades. However, membrane fouling remains a limiting factor. One way to control fouling is through surface modification. Several studies report that increasing surface hydrophilicity can reduce membrane fouling. Surface modification via physical coating (i.e., thin-film composite membrane) was explored in this research to prevent membrane fouling. Before making thin-film composite membranes, it was important to study structure/property relations in a series of potential coating materials. This research aims to contribute to a better

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Grigoleit, Stephen A. Bader Michael. "Experimentelle Studie zum Einfluss von Expositionsdauer und Verdünnung auf die dermale Resorption von N-Methyl-2-Pyrrolidon (NMP) /." 2007. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=017048870&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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