Relevant bibliographies by topics / Surface Functionalisation / Dissertations / Theses
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Dissertations / Theses on the topic 'Surface Functionalisation'

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Published: 4 June 2021
Last updated: 25 July 2025

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1

McNaughter, Paul D. "Surface functionalisation techniques for colloidal inorganic nanocrystals." Thesis, University of East Anglia, 2013. https://ueaeprints.uea.ac.uk/43077/.

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Colloidally-stable inorganic nanocrystals have a wide range of envisaged applications in biological environments. To reach their potential, the nanocrystals need to be stable in aqueous environments and have pendant functionality available for attachment of biomolecules. In this thesis, new methods for the transfer of nanocrystals from organic to aqueous media are developed and the interaction of aqueous stabilised particles with serum proteins is investigated. In Chapter 3, a new method for the synthesis of a thin silica layer upon the surface of nanocrystals is demonstrated. The method uses
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2

Tehrani, Zari. "Functionalisation of semiconductor surface for biosensor application." Thesis, Swansea University, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.678571.

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3

Hynes, Alan. "The application of pulsed plasmas towards controlled surface functionalisation." Thesis, Durham University, 1998. http://etheses.dur.ac.uk/4887/.

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Pulsed plasmas were investigated as a means of controlling the composition of the surfaces generated via plasma polymerisation. A variety of precursors were studied under a range of plasma conditions using both continuous wave and pulsed plasmas. Surface and bulk analytical techniques were used to characterise the deposited plasma polymers whilst deposition rate measurements aided in understanding the effects of altering the various plasma parameters. Continuous wave plasma polymerisation of saturated cyclic fluorocarbons yielded plasma polymers with high fluorine/carbon ratios. Plasma instabi
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4

Pailleret, Alain. "Electrochemistry of calixarene derivatives : applications in electroanalysis and surface functionalisation." Thesis, University of Salford, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.272699.

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5

Atkinson, Sarah Jane, and n/a. "Studies in Dendritic Scaffolds and Surface Functionalisation for Applications in Nanoscience." Griffith University. School of Biomolecular and Physical Sciences, 2007. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20071122.124705.

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Chapter 1 includes a review on dendrimers, their synthesis and applications, with a particular focus on urea-linked dendritic species. The synthetic strategy utilised in this body of work was based on the preparation of a number of branched synthetic building blocks possessing differing terminal functionality. These branched dendrons, bearing three terminal residues and based on the cheap starting material tris(hydroxymethyl)aminomethane (TRIS) 23, involved the coupling of 3.3 equivalents of an appropriately para-substituted benzoic acid chloride with BOC protected TRIS 24 in DCM in the presen
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6

Popat, Rohit P. "Functionalisation of polyolefins and its effects on surface chemistry and energetics." Thesis, Loughborough University, 1995. https://dspace.lboro.ac.uk/2134/22023.

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The surface functionalisation of polyethylene and polypropylene by industrial and laboratory scale corona treatments and by laboratory flame treatment was studied. The surface sensitive techniques of X-ray photoelectron spectroscopy (XPS), attenuated total reflection infra-red spectroscopy (FTIR-ATR), contact angle measurement and electron microscopy (SEM and TEM) were employed. Corona and flame treatments resulted in incorporation of oxygen only into the surfaces of both polyethylene and polypropylene, resulting in improved surface wettabilities. A variety of oxygen functional groups were int
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7

Viswanathan, Priyalakshmi. "In situ surface functionalisation of scaffolds using block copolymer self-assembly." Thesis, University of Sheffield, 2013. http://etheses.whiterose.ac.uk/3925/.

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Understanding human mesenchymal stem cell (hMSC) adhesion and differentiation in three-dimensional matrices in vitro is important for potential regenerative medicine and stem cell therapies. One of the key requirements for the use of scaffolds is that they correctly display the physicochemical properties mimicking those of the native extracellular matrix (ECM), in particular adhesive heterogeneity. Previous studies in 2D provide evidence for the effects of matrix properties such as stiffness, topography and surface chemistry. Yet, there are very few examples to date where ECM heterogeneity has
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8

Atkinson, Sarah Jane. "Studies in Dendritic Scaffolds and Surface Functionalisation for Applications in Nanoscience." Thesis, Griffith University, 2007. http://hdl.handle.net/10072/366865.

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Chapter 1 includes a review on dendrimers, their synthesis and applications, with a particular focus on urea-linked dendritic species. The synthetic strategy utilised in this body of work was based on the preparation of a number of branched synthetic building blocks possessing differing terminal functionality. These branched dendrons, bearing three terminal residues and based on the cheap starting material tris(hydroxymethyl)aminomethane (TRIS) 23, involved the coupling of 3.3 equivalents of an appropriately para-substituted benzoic acid chloride with BOC protected TRIS 24 in DCM in the presen
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9

Torrengo, Simona. "Surface Functionalisation and Characterization of Diamond Thin Films for Sensing Applications." Doctoral thesis, Università degli studi di Trento, 2010. https://hdl.handle.net/11572/369226.

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In this thesis work nanoscrystalline optical properties of diamond and two recent new NCD functionalisation techniques involving UV light (one step method and photochemical oxidation) have been investigated. Firstly the oxidation of diamond surface caused by the irradiation of the surface with UV-light in oxygen atmosphere was considered. Two different experiments in situ were realized in order to understand the physic-chemistry of this method. The chemical bonds between oxygen and surface carbon atoms were investigated by firstly performing an annealing treatment in ultra hight vacuum of a o
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10

Torrengo, Simona. "Surface Functionalisation and Characterization of Diamond Thin Films for Sensing Applications." Doctoral thesis, University of Trento, 2010. http://eprints-phd.biblio.unitn.it/449/1/PhD_Simona_Torrengo.pdf.

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In this thesis work nanoscrystalline optical properties of diamond and two recent new NCD functionalisation techniques involving UV light (one step method and photochemical oxidation) have been investigated. Firstly the oxidation of diamond surface caused by the irradiation of the surface with UV-light in oxygen atmosphere was considered. Two different experiments in situ were realized in order to understand the physic-chemistry of this method. The chemical bonds between oxygen and surface carbon atoms were investigated by firstly performing an annealing treatment in ultra hight vacuum of a
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11

Lehr, Josua. "Modification of surfaces with thin organic films by reaction with aryldiazonium salts." Thesis, University of Canterbury. Department of Chemistry, 2010. http://hdl.handle.net/10092/4431.

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In this work, the modification of conducting substrates with thin (nanometer thick) aryl films via reaction with aryldiazonium salts was investigated. Two methods were used: modification by electro-reduction of the aryldiazonium salts and modification by spontaneous reaction of aryldiazonium the salts with the surface at open circuit potential. The majority of the studies were undertaken using p-nitrobenenze diazonium salt, which gives electro-active nitrophenyl (NP) films at the surface that can be detected and characterized by cyclic voltammetry. Films prepared spontaneously on carbon and
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12

Chen, Zou. "The effect of humidity and surface functionalisation on the dielectric properties of nanocomposites." Thesis, University of Leicester, 2007. http://hdl.handle.net/2381/859.

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Work is reported on composites comprising either epoxy resin or crosslinked polyethylene (XLPE) filled with silica nanoparticles (surface functionalisated and unfunctionalisated). Measurements were made of the dielectric spectra, charging and discharging currents under high electric fields, and space charge dynamics using the pulsed electroacoustic (PEA) technique. Considerable studies were made of the effect of humidity on epoxy nanocomposites. It was found that the epoxy composites filled with nanoparticles could absorb up to 60% more water by weight than the unfilled epoxy. For composites f
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13

De, Luca Alba Carla. "Surface chemical modification of PCL films for peripheral nerve repair." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/surface-chemical-modification-of-pcl-films-for-peripheral-nerve-repair(acb4c88e-2cf8-4d05-9d84-85fffd625581).html.

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Nerve injury is a very common trauma affecting 300,000 people in Europe every year. Although autografts are currently the gold standard in surgery, they can cause loss of sensation and scar tissue formation. Artificial nerve conduits are a valid alternative for peripheral nerve repair. They can provide a confined environment during the regeneration process, enabling axons sprouting from the proximal to the distal nerve segments as well as reducing scar tissue formation. Poly-e-caprolactone (PCL) is a biocompatible and biodegradable polymer suitable for the fabrication of nerve guidances. In pa
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14

Lee, Angelica. "Synthesis, characterisation and molecular surface functionalisation of ZnO nanowires for controlling their physical properties." Thesis, University of Cambridge, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.608594.

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15

She, Joseph K. "Surface functionalisation of encoded SU-8 microparticles and their uses in multiplexed suspension biological assays." Thesis, University of Southampton, 2011. https://eprints.soton.ac.uk/209093/.

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Recently, a novel diffractive-based encoded system has been developed for various multiplexed suspension biological assays. These microparticles, which are manufactured using photolithography of a commercial epoxy-based negative photoresist (SU-8), contain micrometre-sized diffractive elements and can encode millions of unique codes. In this thesis, the preparation and surface modification of different diffractive microparticles; the attachment of a range of biological molecules (e.g. proteins and peptides) onto the functionalised surfaces; and different on-bead analytical techniques for surfa
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16

Vaithilingam, Jayasheelan. "Additive manufacturing and surface functionalisation of Ti6Al4V components using self-assembled monolayers for biomedical applications." Thesis, University of Nottingham, 2015. http://eprints.nottingham.ac.uk/28474/.

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The ability to provide mass customised and biocompatible implants is increasingly important to improve the quality of life. Additive manufacturing (AM) techniques have obtained increasing popularity and selective laser melting (SLM), a metal-based AM technique with an ability to build complex and well defined porous structures, has been identified as a route to fabricate customised biomedical implants. Surface modification of an implant with a biomolecule is used to improve its biocompatibility and to reduce post-implant complications. In this thesis, the potential of a novel approach to use s
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17

Abánades, Lázaro Isabel. "The effect of surface functionalisation on cancer cells internalisation and selective cytotoxicity of zirconium metal organic frameworks." Thesis, University of Glasgow, 2018. http://theses.gla.ac.uk/9099/.

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A considerable amount of effort has been directed to develop porous materials as drug delivery systems (DDSs) – one of the most promising emerging applications in healthcare, as most anticancer therapeutics have toxic dose dependence due to a lack of tumour selectivity – as their hierarchical porosity can be used to store and release challenging drugs. Among them, Metal-Organic Frameworks (MOFs) – emerging hybrid, highly porous crystalline structures – offer several advantages compared to other available DDS, as they combine desirable features from both organic (biocompatibility, e.g. porous p
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18

Conzatti, Guillaume. "Biomatériaux pour application chirurgicale : élaboration et fonctionnalisation pour une bioadhésion thermorégulée." Thesis, Toulouse 3, 2017. http://www.theses.fr/2017TOU30159/document.

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Avec une mortalité après pancréatectomie de l'ordre de 5 % et une morbidité aux alentours de 50 %, la chirurgie pancréatique est l'une des plus délicates des interventions digestives. L'une des complications les plus graves est l'apparition de fistules pancréatiques (FP), c'est-à-dire un défaut d'imperméabilisation au niveau des sutures, impliquant une fuite enzymatique dans le milieu péritonéal qui peut engager le pronostic vital du patient. A ce jour, aucun dispositif médical n'est indiqué dans la prévention de ces FPs. Ainsi, ce projet a pour ambition de concevoir et de valider un biomatéri
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19

Woehlk, Hendrik. "Nitroxides at the interface: Bioinspired polymer adhesives for controlling biofilm-related infections." Thesis, Queensland University of Technology, 2019. https://eprints.qut.edu.au/130585/1/Hendrik_Woehlk_Thesis.pdf.

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This research reports a sophisticated avenue for the fabrication of bio-inspired, multifunctional and substrate-independent polymer coatings for versatile applications. Of particular interest was the design of nitroxide functional surfaces as a new strategy to combat bacterial biofilm formation on medical devices and to reduce biofilm-related infections in hospitals worldwide. Furthermore, nitroxide-coated surfaces served as a versatile platform for the precision design of reprogrammable surfaces with additional spatial control over the surface properties applying photolithography.
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20

Borgeot, Melanie. "Amélioration des propriétés tribologiques d'aciers inoxydables par un lubrifiant "vert" nommé AFULudine en vue de leur mise en forme." Thesis, Bourgogne Franche-Comté, 2017. http://www.theses.fr/2017UBFCD038.

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Dans une opération de mise en forme, les propriétés volumiques des matériaux ne sont pas les seules garantes de la réussite du procédé. Les aspects surfaciques, en lien notamment avec les propriétés tribologiques des corps en contact (tôle, lubrifiant, outils) se révèlent tout aussi importants. Il convient en ce sens de maîtriser et optimiser autant que faire se peut les conditions de contact lors d’un glissement entre la tôle et l’outillage afin d’assurer la réussite de l’opération de formage.Ces travaux de thèse portent sur la caractérisation d’une solution alternative de lubrification, nomm
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21

El, Felss Nadia. "Céramiques phosphocalciques fonctionnalisées : étude des propriétés de surface par méthodes spectroscopiques." Thesis, Limoges, 2018. http://www.theses.fr/2018LIMO0109/document.

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Ce travail s’inscrit dans le cadre général du développement de biomatériaux ostéoinducteurs pour la réparation de grands défauts osseux. L’étude est une contribution à la compréhension des interactions physiques et chimiques entre des céramiques phosphocalciques et deux protéines d’intérêt : la fibronectine, protéine d’adhésion cellulaire, et le VEGF (pour Vascular Endothelial Growth factor) qui est impliqué dans la vascularisation et l’amélioration de la formation osseuse.Les interactions physiques fibronectine/biocéramique ont été étudiées par spectroscopie de force afin d’évaluer l’influenc
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22

Yunda, Elena. "Conception de surfaces chimio-structurées pour l'étude de l'adhésion bactérienne et la formation contrôlée des biofilms bactériens." Thesis, Université de Lorraine, 2019. http://www.theses.fr/2019LORR0087.

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La formation de biofilms bactériens pathogènes est un problème important, particulièrement dans les secteurs médicaux et agro-alimentaires. La formation contrôlée de biofilms de la bactérie probiotique Lactobacillus rhamnosus GG (LGG) est sélectionnée ici comme méthode potentielle pour prévenir la contamination de surfaces par des bactéries pathogènes. Nous avons étudié le développement de biofilms de LGG ainsi que leur possible contrôle en combinant des approches physico-chimiques et de fonctionnalisation de surface. L’impact des conditions environnementales sur la cinétique de croissance des
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23

Acosta, Romero Carolina. "Essential oil components encapsulated in mesoporous silica supports: a bioactive properties evaluation and toxicological approach." Doctoral thesis, Universitat Politècnica de València, 2018. http://hdl.handle.net/10251/90653.

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The present PhD thesis, entitled: "Essential oil components encapsulated in mesoporous silica supports: a bioactive properties evaluation and a toxicological approach" focuses on the study of protection and controlled release of natural bioactive agents, derived from essential oil components (EOCs), encapsulated in mesoporous silica particles (MSPs). In addition, this thesis evaluatesthe silica-based supports to reduceundesirable sensorial propertiesandfor ensuring a low-health risk. The first section of the thesis shows the effect of encapsulation of EOCs in mesoporous silica supports. This
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24

Lutzweiler, Gaëtan. "Porous polyurethane-based materials for tissue engineering." Thesis, Strasbourg, 2019. http://www.theses.fr/2019STRAE019/document.

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Les matériaux poreux représentent une solution idéale en ingénierie tissulaire car leur structure peut offrir un environnement tridimensionnel aux cellules similaire à leur matrice extracellulaire tout en maintenant de bonnes propriétés mécaniques. Une première partie de cette thèse consiste à développer des matériaux poreux en polyuréthane (PU), dont l’architecture est contrôlée pour favoriser au mieux la survie et la croissance des cellules. Ces matériaux sont combinés à des traitements de surface (revêtement de polydopamine (PDA) et traitement plasma) pour augmenter notamment l’adhésion des
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25

Matthews, James. "Charge-reversible surfaces." Thesis, University of Oxford, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.269324.

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26

Rouquette, Rémi. "Self-assembly of platinum(II) complexes with tunable photophysical properties in confined spaces and in solution." Thesis, Strasbourg, 2017. http://www.theses.fr/2017STRAF075/document.

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Cette thèse se focalise sur le design, la synthèse et la caractérisation photophysiques de complexes de platine(II) neutres contenant un ligand chromophore tridenté et un ligand auxiliaire monodenté avec des groupes fonctionnels différents. De tels complexes montrent des changements drastiques de leurs propriétés de photoluminescence à cause de leur auto-assemblage, déclenché par l’établissement de faibles liaisons non covalents tels que l’empilement p-p et des interactions métallophiliques. Il a été démontré que ces complexes de platine(II) peuvent être attaché de manière covalente à des surf
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27

Yunda, Elena. "Conception de surfaces chimio-structurées pour l'étude de l'adhésion bactérienne et la formation contrôlée des biofilms bactériens." Electronic Thesis or Diss., Université de Lorraine, 2019. http://www.theses.fr/2019LORR0087.

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La formation de biofilms bactériens pathogènes est un problème important, particulièrement dans les secteurs médicaux et agro-alimentaires. La formation contrôlée de biofilms de la bactérie probiotique Lactobacillus rhamnosus GG (LGG) est sélectionnée ici comme méthode potentielle pour prévenir la contamination de surfaces par des bactéries pathogènes. Nous avons étudié le développement de biofilms de LGG ainsi que leur possible contrôle en combinant des approches physico-chimiques et de fonctionnalisation de surface. L’impact des conditions environnementales sur la cinétique de croissance des
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28

Cai, Yixiao. "Bio-Nano Interactions : Synthesis, Functionalization and Characterization of Biomaterial Interfaces." Doctoral thesis, Uppsala universitet, Tillämpad materialvetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-277121.

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Current strategies for designing biomaterials involve creating materials and interfaces that interact with biomolecules, cells and tissues.  This thesis aims to investigate several bioactive surfaces, such as nanocrystalline diamond (NCD), hydroxyapatite (HA) and single crystalline titanium dioxide, in terms of material synthesis, surface functionalization and characterization. Although cochlear implants (CIs) have been proven to be clinically successful, the efficiency of these implants still needs to be improved. A CI typically only has 12-20 electrodes while the ear has approximately 3400 i
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29

Neate, Nigel Christopher. "Covalent functionalisation of carbon surfaces for biomedical applications." Thesis, University of Nottingham, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.420434.

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30

Aitken, Lynsey A. "Peptide functionalisation and characterisation of gold (nano) surfaces." Thesis, University of Strathclyde, 2016. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=26613.

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This work describes the successful preparation and characterisation of peptide functionalised gold surfaces, with a focus towards developing enzyme response applications. The serine protease, elastase, was the primary focus of this work; however, all of the systems described herein have the utility to be modified for alternative proteolytic enzymes. 1.0 provides background and context to the work presented in this thesis and additionally describes the layout of the work to be presented. 2.0 reviews the literature on enzyme responsive nanomaterials (ERNMs), providing a brief overview of the des
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31

Peruffo, Massimo. "Functionalisation of surfaces and interfaces : molecules, particles and crystals." Thesis, University of Warwick, 2010. http://wrap.warwick.ac.uk/3779/.

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This thesis is concerned with understanding and directing the functionalisation of solid surfaces with materials: molecules, nanoparticles and crystals. Both conducting (electrode) and insulating surfaces are of interest. For molecular functionalisation, a sweep potential procedure has been developed to assist the formation of self assembled monolayers (SAMs) of a ruthenium thiolated complex. Electrochemical investigations were employed to characterised the SAM formed on a platinum electrode. Nanoparticles formation explored two distinct routes. First Pd nanoparticles were successfully formed
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32

Fotea, Catalin. "Characterisation and functionalisation of leather surfaces for adhesion purposes." Thesis, Manchester Metropolitan University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367279.

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33

McGettrick, James Douglas. "Plasmachemical functionalisation for modification of surfaces with biomolecules and metals." Thesis, Durham University, 2010. http://etheses.dur.ac.uk/444/.

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Plasmachemical functionalisation offers a versatile route to surface functionalisation, allowing a wide variety of functional groups to be deposited in a substrate independent process. This thesis presents the application of pulsed plasmachemical functionalisation in two areas. Firstly, the construction of covalently tethered DNA or protein arrays is examined, and novel routes are presented based on the introduction of aldehyde and bromine functions onto substrates such as glass, silicon, polystyrene beads and carbon nanotubes. Secondly, the use of plasmachemical layers for the tethering of me
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34

Kalinina, Sviatlana. "Novel technique in RGD-functionalisation of unstructured and structured inanimate surfaces." [S.l. : s.n.], 2007. http://digbib.ubka.uni-karlsruhe.de/volltexte/1000007975.

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35

Schmidt-Weber, Philipp [Verfasser]. "Functionalisation of Surfaces : Isomerisation and Chirality of Adsorbed Molecules / Philipp Schmidt-Weber." Berlin : Freie Universität Berlin, 2008. http://d-nb.info/1022698753/34.

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36

Floate, Simon. "In-situ STM and IR characterisation of organic molecule functionalisation of surfaces." Thesis, University of Liverpool, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368672.

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37

Adumeau, Pierre. "Nano-sondes hybrides luminescentes pour la détection du cancer de la prostate." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2014. http://tel.archives-ouvertes.fr/tel-01020604.

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Ce travail de thèse a consisté en la conception et la réalisation d'une nano-sonde hybride luminescente visant à permettre la détection précoce du cancer de la prostate. La première partie de ce projet a été consacré à la synthèse, par une voie de chimie click, d'une bibliothèque d'acides 4-triazolyl dipicoliniques substitués en position 4 du triazole par une large gamme de substituants. Ces diacides ont permis d'obtenir les complexes d'europium(III) et de terbium(III) correspondant, qui ont montré d'excellentes propriétés optiques, avec des rendements quantiques de luminescence sous excitatio
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38

Ripoll, Lionel. "Formulation par émulsion-diffusion de particules cationiques en vue de leur adsorption sur un support textile : application aux cosmétotextiles." Thesis, Lyon 1, 2011. http://www.theses.fr/2011LYO10282.

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L'objectif de ce travail de thèse est d'étudier la fonctionnalisation de textiles par des particules contenant un principe actif cosmétique. L'approche choisie repose sur la fixation sur le textile de particules de charges opposées. Dans ce travail, nous avons étudié dans un premier temps l'état de surface des textiles synthétiques et naturels. Les résultats ont montré que les textiles présentent une surface chargée négativement. Dans un second temps, l'adsorption de particules cationiques “modèles” de PMMA sur un textile synthétique à base de polyamide a été étudiée. Les résultats ont montré
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39

Capon, Patrick Keith. "Fluorescent sensor development through surface functionalisation." Thesis, 2021. https://hdl.handle.net/2440/134192.

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The research undertaken in this thesis is concerned with the attachment of fluorophores to both optical fibres and nanodiamonds to provide sensing devices with application to biological sensing. Fluorescent sensors are commonly used to detect biological analytes through a change in fluorescence, a concept introduced in Chapter 1. However, the successful application of fluorescent sensors to biological systems is inhibited by a number of challenges, including delivery of the fluorophore to the measurement site, photobleaching, and fluorophore cell permeability. Chapter 1 introduces optical fibr
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40

Kalinina, Sviatlana [Verfasser]. "Novel technique in RGD-functionalisation of unstructured and structured inanimate surfaces / von Sviatlana Kalinina." 2008. http://d-nb.info/98852600X/34.

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