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Dissertations / Theses on the topic 'Supramolecular Gelator'

Author: Grafiati

Published: 7 September 2023

Last updated: 31 July 2025

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1

Abreu, Marlon de Freitas 1978. "Géis supramoleculares : aspectos químicos e físicos de redes nanofibrilares constituídas por agentes gelificantes baseados em glicosídeos." [s.n.], 2012. http://repositorio.unicamp.br/jspui/handle/REPOSIP/249043.

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Orientador: Paulo Cesar Muniz de Lacerda Miranda<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Química<br>Made available in DSpace on 2018-08-21T09:25:32Z (GMT). No. of bitstreams: 1 Abreu_MarlondeFreitas_D.pdf: 21101958 bytes, checksum: 66d47016a4102485845b17df067519a7 (MD5) Previous issue date: 2012<br>Resumo: O trabalho versa sobre a síntese de doze gelificantes (LMOGs) e um estudo sobre automontagem supramolecular dos LMOGs na construção de nanofibras. Foram sintetizadas duas séries de compostos derivados do metil 4,6-O-benzilideno-a-D-glicopiranosideo substituído

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2

Simões, Thiago Augusto 1985. "Reologia de organogéis baseados em glicosídeos aromáticos." [s.n.], 2014. http://repositorio.unicamp.br/jspui/handle/REPOSIP/250158.

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Orientador: Edvaldo Sabadini<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Química<br>Made available in DSpace on 2018-08-27T01:55:14Z (GMT). No. of bitstreams: 1 Simoes_ThiagoAugusto_M.pdf: 2543594 bytes, checksum: 7e559c17b32f95f43db82455a855492b (MD5) Previous issue date: 2014<br>Resumo: Materiais nanoestruturados apresentam-se em muitas formas diferentes. Um grupo de compostos ainda pouco investigado é o grupo dos organogéis, especialmente aqueles cuja estrutura tridimensional de rede é baseada na auto-organização de compostos orgânicos de baixa massa molecu

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3

Piana, Francesca. "Urea-based supramolecular gelators : molecular structure-gelation relationship and sensing of organophosphorus compounds." Thesis, University of Southampton, 2015. https://eprints.soton.ac.uk/387350/.

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The aim of this thesis was to study the phenomenon of supramolecular gelation of urea-based gelators and their application as sensors for neutral organophosphorus species such as nerve agents. The work was therefore naturally divided into two major parts. The first part consisted in an investigation of the structure-gelation relationship of a series of urea gelators, in an effort to overcome the serendipitous approach that is widely applied to their discovery. Among the components of the common gelator scaffold that were optimised to deliver the best gelation performance, particular attention

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4

Maity, A. "Tailoring the optical properties and morphology of low molecular weight based supramolecular gelators." Thesis(Ph.D.), CSIR- National Chemical Laboratory, Pune, 2018. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/4507.

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5

Foster, Jonathan Andrew. "The design and application of bis-urea derived supramolecular gelators." Thesis, Durham University, 2012. http://etheses.dur.ac.uk/3598/.

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A series of amino-acid derived bis-urea gelators were synthesised, some of which show strong gelation in a wide variety of solvents. The gels were probed at the molecular, microscopic and macroscopic levels to gain insights into the gelation behaviour observed. Mixtures of different gelators also result in gels, some of which show different fibre morphologies and X-ray powder patterns to the pure gelators. The series was extended to include fluorescent 1- and 2-pyrenylalanine derived gelators and the fluorescence behaviour of the gels in solution, the gel state, in mixed gels and with the addi

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6

Zaupa, Alessandro. "Physical crosslinking of gelatin : a supramolecular approach to biomaterials." Phd thesis, Universität Potsdam, 2010. http://opus.kobv.de/ubp/volltexte/2011/5288/.

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This work describes the realization of physically crosslinked networks based on gelatin by the introduction of functional groups enabling specific supramolecular interactions. Molecular models were developed in order to predict the material properties and permit to establish a knowledge-based approach to material design. The effect of additional supramolecular interactions with hydroxyapaptite was then studied in composite materials. The calculated properties are compared to experimental results to validate the models. The models are then further used for the study of physically crosslinked n

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7

Williams, Kristopher Aaron. "Synthesis and Characterization of Monosaccharide-derived Low Molecular Weight Gelators." ScholarWorks@UNO, 2011. http://scholarworks.uno.edu/td/135.

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Low molecular weight gelators (LMWGs) are interesting materials whose applications are as diverse and wide ranging as their molecular structures. These materials self-assemble through the formation of non-covelent intermolecular forces and interactions to form supramolecular assemblies that trap solvent within their matrices. Because of the non-covalent nature of the forces of self-assembly, the gelation process is typically thermally reversible. In addition, low molecular weight gelators can also be modified to respond to various stimuli, such as change in pH, presence of enzymes or metal cat

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8

Pi, i. Boleda Bernat. "Supramolecular studies on the behaviour of different chiral cycloalkane-based compounds as receptors, gelators and surfactants." Doctoral thesis, Universitat Autònoma de Barcelona, 2016. http://hdl.handle.net/10803/400575.

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En aquesta tesi, s’han estudiat quatre diferent sistemes supramoleculars com a receptors, gelificadors o tensioactius. S’ha analitzat la influència de diferents factors estructurals de la molècula senzilla en la seva propietat supramolecular final. S’han utilitzat diferents estratègies per a preparar els compostos estudiats. La combinació de diferents tècniques ens ha permès entendre millor aquests sistemes obtenint un resultat sinèrgic. Els resultats d’aquesta tesi estan dividits en quatre capítols: 1) Diferents receptors d’anions tripodals s’han sintetitzat i la seva complexació amb difer

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9

Zaupa, Alessandro [Verfasser], and Andreas [Akademischer Betreuer] Lendlein. "Physical crosslinking of gelatin : a supramolecular approach to biomaterials / Alessandro Zaupa. Betreuer: Andreas Lendlein." Potsdam : Universitätsbibliothek der Universität Potsdam, 2010. http://d-nb.info/1014619084/34.

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10

Pleines, Maximilian. "Viscosity-control and prediction of microemulsions." Thesis, Montpellier, 2018. http://www.theses.fr/2018MONTS139.

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La viscosité est une propriété fondamentale des fluides complexes et qui reste encore difficile à prédire quantitativement. Cette propriété macroscopique provient de propriétés moléculaires et mésoscopiques. La compréhension et l’estimation de l'évolution de la viscosité avec des paramètres variables est important pour plusieurs applications, entre autres pour l’extraction liquide-liquide et pour la formulation de systèmes tensioactifs aqueux.Dans ce travail, un modèle "minimal" prenant en compte les énergies libres mises en jeu a été développé pour aider à comprendre, contrôler et prédire l'é

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11

Samanta, Suman Kalyan. "Design, Synthesis and Properties of Novel Oligo-Phenylenevinylene based Supramolecular Photochromic Gels and Soft Composites with Nanomaterials." Thesis, 2011. http://etd.iisc.ac.in/handle/2005/4115.

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The thesis entitled “Design, Synthesis and Properties of Novel Oligo-Phenylenevinylene based Supramolecular Photochromic Gels and Soft Composites with Nanomaterials” deals with soft materials derived from low molecular mass photochromic gels and nanomaterials. Chapter 1 gives a general introduction and overview of the low molecular mass gel (LMMG). It briefly delves into the history of research in physical gel field, design of different types of photochromic gelator molecules, their interesting self-assembly patterns, potential applications of these gelator molecules as well as challenges t

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12

Hsu, Ya-Chi, and 許雅琪. "A Supramolecular Gelator Based on D-Galactolipids with Proline Fragment and Its Controlled Release of 5-Fluorouracil in vitro." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/17407893705524674958.

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碩士<br>中原大學<br>化學研究所<br>101<br>We conduct our research in order to realize the natures of supramolecular gelators, and the conditions of releasing in vitro when we make supramolecular gelators become the carriers of drugs. GPS-1and GPO-1 gelators are synthesized in laboratory. We test it in H2O, 15 kind of organic solvents, 5different ratio of solvent- H2O mixed MeOH and H2O mixed EtOH. The result shows that the gel will turn up only when we put GPS-1into CH2Cl2, EtOAc, H2O/MeOH(2：3(v/v), 3：2(v/v), 4：1(v/v)) and H2O/EtOH(3：7(v/v), 2：3(v/v), 3：2(v/v), 4： 1(v/v)). In the experiment of pH-stimuli

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13

Majumdar, Joydeb. "Developing Principles for Designing and Synthesizing Supramolecular Gelators and Their Various Applications." Thesis, 2019. http://hdl.handle.net/10821/8221.

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Self-assembled supramolecular gels obtained from low molecular weight gelators (LMWGs)have received significant attention over past few decades because of their wide range of applications that includes cosmetics, sensors,bio-mineralization, wound healing, liquid crystalline materials etc. the main objective of the thesis was to develop various drugs and/or bioactive agent based supramolecular gels fro their plausible biomedical applications such as wound healing, drug delivery etc. various new LMWGs were designed and synthesized from well known non-steroidal anti-inflammatory drugs .<br>Resear

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14

Shi-YunLin and 林詩芸. "Self-Assembly and Fluorescence of Supramolecular Gelators Derived from Pyrene." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/89829020291374944205.

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碩士<br>國立成功大學<br>化學工程學系碩博士班<br>101<br>By controlling the length of alkyl chain, we have successfully synthesized a series of fluorescent low-molecular-weight gelators (LMWGs) of N-(pyrene-1-yl)alkyleneamide (PA) and N-(pyrene-1-yl)- N-(pyren-3-yl)alkylenedipamide (DPA) based on pyrene groups and amide moieties. Dependence of gelation properties on molecular chain length was studied. In addition, effect of pyrene group on fluorescence at different temperature under both liquid and gel states were investigated. The results show that the symmetric DPA reveals higher thermo stability but weaker gel

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15

Song, Enfeng. "Self-assembly of Benzenesulfonate Amphiphiles and Synthesis of Membranes Containing Self-assembled Supramolecular Transport Channels." Doctoral thesis, 2014. https://repositorium.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-2014010712224.

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Six series of cunitic amphiphiles based on benzene sulfonates were synthesized. The molecular characterization was performed by IR and NMR spectroscopy and the purity was determined by elemental analysis and thin layer chromatography. The thermotropic properties of these cunitic sulfonate amphiphiles were subsequently investigated by means of a combination of DSC, polarized microscopy and X-ray scattering. Most of the synthesized sulfonates were found to exhibit hexagonal columnar mesophases, some of them exhibited a complex polymorphism. The polymorphism depended upon variation of the molecul

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16

Chatterjee, Sayantan. "Hybrid Nanostructured Materials from Bile Acid Derived Supramolecular Gels." Thesis, 2017. http://etd.iisc.ac.in/handle/2005/3699.

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Research activities towards the self-assembly of small organic molecules building blocks which lead to form supramolecular gel has increased extensively during the past two decades. The fundamental investigations of the morphological properties and the mechanical properties of these supramolecular gels are crucial for understanding gelation processes. Most supramolecular gelators were discovered by serendipity, but nowadays ratiional design of new gelators has become somewh at feasible. As a consequence, an increasing number of multi stimuli-responsive and functional molecular gels are reporte

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17

Chatterjee, Sayantan. "Hybrid Nanostructured Materials from Bile Acid Derived Supramolecular Gels." Thesis, 2017. http://etd.iisc.ernet.in/2005/3699.

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Research activities towards the self-assembly of small organic molecules building blocks which lead to form supramolecular gel has increased extensively during the past two decades. The fundamental investigations of the morphological properties and the mechanical properties of these supramolecular gels are crucial for understanding gelation processes. Most supramolecular gelators were discovered by serendipity, but nowadays ratiional design of new gelators has become somewh at feasible. As a consequence, an increasing number of multi stimuli-responsive and functional molecular gels are reporte

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18

Chen, Cheng-Pang, and 陳正邦. "A Gelation and Colorimetric Chemosensor for Alkaline Phosphatase Activity based on Combination of Peptide Supramolecular Biomaterial and Gold Nanoparticles." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/50091684516286632364.

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19

Maity, Mitasree. "Bile Acid based Supramolecular Gels, Soft Hybrid Materials and their Applications." Thesis, 2016. http://etd.iisc.ac.in/handle/2005/2928.

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Chapter 1. Supramolecular Gels and their Applications Supramolecular gels are viscoelastic materials composed of a solid like three dimensional fibrillary network that is embedded in a liquid. Supramolecular gels are derived from low molecular weight compounds (typically MW < 3000). In the 1990s, the investigations on gels were mainly focused on designing new gelator molecules. However, during the last decade, research focus shifted towards designing functional gels and their applications. As a result of extensive work in this area, gels have been found to have varied applications in the templ

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20

Maity, Mitasree. "Bile Acid based Supramolecular Gels, Soft Hybrid Materials and their Applications." Thesis, 2016. http://hdl.handle.net/2005/2928.

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Chapter 1. Supramolecular Gels and their Applications Supramolecular gels are viscoelastic materials composed of a solid like three dimensional fibrillary network that is embedded in a liquid. Supramolecular gels are derived from low molecular weight compounds (typically MW < 3000). In the 1990s, the investigations on gels were mainly focused on designing new gelator molecules. However, during the last decade, research focus shifted towards designing functional gels and their applications. As a result of extensive work in this area, gels have been found to have varied applications in the templ

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