Academic literature on the topic 'Langmuir-Blodgett Techniques'

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Dissertations / Theses on the topic "Langmuir-Blodgett Techniques"

1

Baker, S. "Phthalocyanine Langmuir-Blodgett films and their associated devices." Thesis, Durham University, 1985. http://etheses.dur.ac.uk/7589/.

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Interest in the Langmuir-Blodgett (LB) technique has led to a number of investigations into different types of materials that can be deposited in the form of monolayers. For example, as well as the classic long Cham fatty acids and alcohols, materials such as polymerisable molecules, aromatic hydrocarbons and dye substances can now all be produced in monomolecular form. Unfortunately, few of these materials yet fulfil the requirements of mechanical and thermal stability that will be necessary if LB films are to be used commercially. This work has dealt with the use of phthalocyanine, a substan
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Hamilton, Richard. "Materials for molecular electronics : fabricated by Langmuir-Blodgett techniques and self-assembly." Thesis, Cranfield University, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.401624.

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Sandras, Florent. "Etude de l'organisation de films ultraminces de protéines par microspectroscopie Raman et autres techniques." Bordeaux 1, 2005. http://www.theses.fr/2005BOR12990.

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Cette étude porte sur l'organisation en films ultraminces de protéines fortement tensioactives et sur leurs interactions avec des lipides. Elle a été réalisée principalement par microspectroscopie Raman confocale associée à d'autres méthodes complémentaires telles que des mesures de tension superficielle, la microscopie à l'angle de Brewster et la spectroscopie infrarouge PM-IRRAS. Le signal Raman de tels systèmes étant très faible, la première étage de ce travail a consisté à mener des tests comparatifs entre différents types de caméra CCD de technologies récentes afin d'optimiser la détectio
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Paulov, Valeri. "New techniques for the fabrication of biosensors based on nad (P) + dependent dehydrogenases." Doctoral thesis, Universitat Rovira i Virgili, 2005. http://hdl.handle.net/10803/8533.

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DE LA TESIS EN CASTELLANO<br/><br/>Antecedentes<br/><br/>Un avance importante en el campo de química analítica se hizo por Clark y Lyons en los años setenta. Ellos propusieron acoplar la especificidad de la enzima glucosa oxidasa con la transducción electroquímica de la señal en "biosensores". En general, los biosensores son artefactos integrados autocontenidos, capazes de proporcionar información analítica, cuantitativa utilizando un elemento biológico de reconocimiento (receptor bioquímico) que se retiene en contacto espacial directo con un elemento de transducción. Posteriormente, los
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Snizhko, D., Yu Zholudov, A. Kukoba, and G. Xu. "Langmuir–Blodgett technique versatility for electrode modification and its ECL application." Thesis, ISBC 2018, 2018. http://openarchive.nure.ua/handle/document/5794.

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In the work 9,10-diphenyl anthracene and rubrene were used to decorate an amphiphilic polymer matrix polymethylmethacrylate (PMMA) lm. ITO electrodes equipped with LB lm were used in ECL experiment with tripropylamine co-reactant. Obtained ECL response satis es expectation in looking for a new technology for ECL sensor fabrication.
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Iwantono, M. "Studies on cadmium sulphide nanoparticles formed by the Langmuir-Blodgett technique." Thesis, Sheffield Hallam University, 2003. http://shura.shu.ac.uk/20169/.

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In this project, the formation and characterisation of CdS nanoparticles embedded within Langmuir-Blodgett (LB) films have been studied systematically. CdS nanoparticles were formed within calix[8]arene (CA) and stearic acid (SA) Cd-salt LB films by exposure to H[2]S gas at room temperature. The AFM images of the treated SA and CA bilayers show CdS clusters with lateral dimensions in the range of 20-30 nm and 10-15 nm, respectively. These particles are pseudo two-dimensional and have a shape of hexagonal platelets which is most likely consequence of their wurtzite structure. Calculations of th
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FIOL, CATHERINE. "Elaboration d'architectures moleculaires par la technique de langmuir-blodgett : application aux biocapteurs." Paris 7, 1993. http://www.theses.fr/1993PA077152.

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Nous presentons ici le developpement d'un biocapteur de glucose base sur la technique de langmuir-blodgett. Cette approche consiste en l'elaboration de structures organisees dans lesquelles est immobilisee une enzyme (la glucose oxydase). Une couche monomoleculaire mixte acide gras/enzyme formee a la surface d'une solution aqueuse dans une cuve de langmuir est transferee sur un support solide recouvert d'or. Nous nous sommes attaches a definir les proprietes physico-chimiques des films deposes. Par spectroscopies (ir et uv) nous avons pu correler la quantite d'acide behenique et de glucose oxy
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Biddle, M. B., S. E. Rickert, J. B. Lando, and André Laschewsky. "The use of the Langmuir-Blodgett technique to obtain ultra-thin polar films." Universität Potsdam, 1989. http://opus.kobv.de/ubp/volltexte/2009/1718/.

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The piezoelectric and pyroelectric properties of oriented films possessing dipole moments are increasingly being used in pressure, acoustic, thermal and optical devices. The performance of these devices in many applications may be enhanced by thin-film technology.The developing Langmuir-Blodgett thin-film deposition technique offers the opportunity to obtain highly oriented and uniform organic-based films in the 10–5000 nm thickness range. Special techniques must be used, however, to assemble these molecules in such a way as to result in polar multilayer films. Several possible deposition tech
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Shin, Du Hyun. "Host-Guest Assemblies for Functional Interfaces via Langmuir-Blodgett and Self-Assembly Technique." Diss., Virginia Tech, 2014. http://hdl.handle.net/10919/54573.

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Various technologies depend on interfacial events that are influenced by various molecular interactions at a solid-liquid interface. The functionality of a surface plays an important role in many applications such as catalysis, sensing, and bio-compatibility, which can benefit from distinctive chemical and physical surface properties. To create tailor-made functional surfaces, surface host-guest assemblies based on Langmuir-Blodgett and self-assembly technique have been employed as a model system as they may offer the potential ability to regenerate surface properties via intercalation of vari
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PORTEU, DE LA MORANDIERE FLORENCE. "Conception et realisation par la technique langmuir-blodgett d'edifices moleculaires polymerises dans le plan." Paris 6, 1991. http://www.theses.fr/1991PA066287.

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Le present travail concerne la realisation d'edifices supramoleculaires organises en film langmuir-blodgett (lb). Les molecules utilisees appartiennent a la famille des porphyrines. Elles sont tetrafonctionnalisees et peuvent etre transferees suivant une methode semi-amphiphile. La premiere voie abordee concerne la realisation de divers edifices moleculaires par la methode amphiphile. Elle est basee sur une reconnaissance moleculaire a l'interface air-eau, faisant appel aux forces de coulomb, entre deux macrocycles differemment tetrafonctionnalises. Le simple melange equimolaire d'un macrocycl
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