Дисертації з теми "AFM Modes"
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Devailly, Clémence. "Fluctuations thermiques - un outil pour étudier les fluides simples et binaires à l'échelle du micron." Thesis, Lyon, École normale supérieure, 2014. http://www.theses.fr/2014ENSL0976.
Повний текст джерелаPhase transitions near a critical point, or second order phase transitions, are still a recent object of studies because of the large amount of interesting critical phenomena as the critical Casimir force, confinements problems or out of equilibrium phenomena following a quench at the critical point. This thesis experimentally studies phenomena near a critical point. This manuscript is divided in two parts : the first one consists in building several experimental set-up which measure viscosity through thermal fluctuation at micrometric scale. The second part consists in finding and characterize binary mixtures which show a second order phase transition. Preliminary results have been done in these samples. One of the principal points of these experimental set-up are a well regulated temperature, a probe sensitive to thermal fluctuation and/or pN forces and a reproducible binary mixture which presents a critical point easy to reach experimentally. We mounted from an Atomic Force Microscope (AFM) already built in the laboratory, a hanging-fiber probe to measure viscosity of liquids. Despite its weak efficiency as a metrologic probe, we described and developed a mode coupling model which let us understand mechanics of hanging-fiber probes. I also developed in the lab the dynamic differential microscopy technique (DDM) which do measurements with several probes. I discussed about the measure precision with in mind the aim of studying critical fluctuations. For the choice of the sample, we studied several binary mixtures. We characterized them by classical methods as turbidity measurements and static light scattering. These characterizations let us learn about binary mixtures in order to use them in a third experimental set-up : beads trapped in an optical tweezers already built in the lab. We added to it a home-made thermal regulation which can be used with the constraints of optical tweezers. These tests showed an unexpected phenomenon of oscillating phase transition induce by laser. We developed a model to describe it. At last, preliminary experiments with optical tweezers in binary mixtures showed qualitative effects of an approach near a critical point on the viscosity and on interactions between beads as critical Casimir force
Oral, Hasan Giray. "Modeling time-resolved interaction force mode AFM imaging." Thesis, Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/43691.
Повний текст джерелаBillingsley, Daniel Jeffrey. "Convergent transcription and nested gene models studied by AFM." Thesis, University of Leeds, 2012. http://etheses.whiterose.ac.uk/3149/.
Повний текст джерелаYurtsever, Ayhan. "Nanotribological surface characterization by frequency modulated torsional resonance mode AFM." Diss., kostenfrei, 2008. http://edoc.ub.uni-muenchen.de/8718/.
Повний текст джерелаStone, Peter (Peter Robert). "A new model for electric force microscopy and its application for electrostatically generated phase difference in tapping mode AFM." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/32855.
Повний текст джерелаIncludes bibliographical references (leaf 37).
The harmonic force balance method was used to model and simulate electric force microscopy (EFM) and electrostatically generated phase difference in tapping mode AFM (EPTA) measurements. Simulations show that the harmonic force balance approach matches and explains EFM and EPTA experimental results well. Simulations also show that the model depended on both geometric and materials parameters. The harmonic force balance model was subsequently used to directly simulate a previously performed EPTA experiment. Data obtained from the model showed a remarkable similarity to the experimentally obtained data, thus validating the use of the harmonic force balance model to simulate EPTA data.
by Peter Stone.
S.B.
Nasrallah, Hussein. "Capillary adhesion and friction : an approach with the AFM Circular Mode." Phd thesis, Université du Maine, 2011. http://tel.archives-ouvertes.fr/tel-00651818.
Повний текст джерелаHida, H., M. Shikida, K. Fukuzawa, A. Ono, K. Sato, K. Asaumi, Y. Iriye, and K. Sato. "Quartz tuning-fork type AFM probe operated in Anti-phase Vibration Mode." IEEE, 2006. http://hdl.handle.net/2237/9554.
Повний текст джерелаLin, Zhen. "AFM electrical mode development for nanostructure semiconductor study : application on Ge / Si nanostructure." Lyon, INSA, 2010. http://theses.insa-lyon.fr/publication/2010ISAL0135/these.pdf.
Повний текст джерелаNowadays, the semiconductor technology is facing a great challenge to increase the device performance while reducing its dimension. This downscaling in microelectronics industry causes a drastic development of microscopy to reveal new physical characteristics at nanoscale. The understanding of these new properties in nanometer scale is of prime importance. In this work, the AFM fundamental working principle and some typical electric property characterization techniques in semiconductor industry were introduced. The electrical AFM modes including scanning capacitance microscopy (SCM) and spectroscopy (SCS), electrostatic force microscopy (EFM) and Kelvin probe force microscopy (KPFM) were developed at room temperature to study the properties of the promising replacement of the conventional poly-silicon floating gate, Germanium nanocrystals local Ge/Si nanostructures, which were fabricated by dewetting process. SCM, SCS, EFM and KPFM were proved to be available methodologies for semiconductor nanostructures characterizations, especially the nanocrystal study in nanometer scale. These characterisation works with developed AFM electrical mode are of prime importance in developing electronic devices application, especially the memory transistors application using Ge/Si nanocrystal
Sebinelli, Heitor Gobbi. "Estudo de proteolipossomos constituídos de Na,K-ATPase utilizando a técnica de microscopia de força atômica." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/59/59138/tde-21092016-140434/.
Повний текст джерелаNa, K-ATPase (NKA) is a membrane protein present in eukaryotic multicellular organisms. Its functions and activity are already widely described in the literature. Its minimal functional structure is a heterodimer of two main subunits , with transmembrane domains. However, dimers and tetramers of the enzyme are also known to have enzymatic activity. Since there are intrinsic lipid-protein interactions, NKA proteoliposomes composed of DPPC and DPPC:DPPE (1:1 molar ratio) were prepared by the co-solubilization method and liposomes of the same compositions were obtained by extrusion and/or sonication to be used as control. The samples to the AFM study were prepared using glutaraldehyde to protect the vesicles from mechanical shocks and dehydration. Liposomes composed of DPPC and DPPC:DPPE (1:1 molar ratio) were prepared by extrusion and sonication, respectively, as control. The topographical images for DPPC liposomes showed vesicles with an oval shape and smoothed surfaces with a mean diameter of 151 + 46 nm. DPPC:DPPE vesicles also presented smoothed surfaces, but with pointed corners and mean diameter of 98 + 28 nm. Phase images for both lipid compositions showed no differences in chemical composition. For DPPC:DPPE samples, this can be explained by the neutral net charge of both lipids. The proteoliposomes observed in the AFM phase images showed darker and large circular spots in the vesicles. These spots represent delays in the phase oscillation of the AFM probe and are associated with different chemical composition. The phase changes showed the reconstitution of the NKA in the proteoliposomes. When compared with topographical images, this spots matched protrusions. The mean diameter of DPPC-NKA proteoliposomes determined by AFM was 390 + 326 nm. In the three-dimensional topographical images of composition, protrusions from 38 to 115 nm near the areas of different phases indicate the diameters of the NKA microdomains. The phase changes for DPPC:DPPE-NKA appeared as bright interstices with the protrusions of the topographical images in between them. The size of these protrusions ranged from 20 to 66 nm and the mean diameter of the proteoliposomes was 189 + 156 nm. The DSC liposomes data showed that the glutaraldehyde concentration used in the AFM analysis affect the physical chemistry properties of the samples with DPPE. AFM proved to be an efficient method to confirm the reconstitution of into proteoliposomes with phase images and to determine the diameter of the protein microdomains with the topographical images.
Horstmeier, Sebastian [Verfasser]. "Dynamische AFM-Kraftspektroskopie an Desoxyribonukleinsäure im frequenz-modulierten Modus mit konstanter Anregung / Sebastian Horstmeier." Bielefeld : Universitätsbibliothek Bielefeld, 2013. http://d-nb.info/1045878561/34.
Повний текст джерелаEl-Rifai, Khalid 1979. "Control of AFMs in contact mode." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/17597.
Повний текст джерелаIncludes bibliographical references (leaves 71-74).
The Atomic Force Microscope (AFM) is a high precision surface characterization tool commonly used in Nano-technology, Bio-technology, semiconductors, MEMS, and life sciences' applications. As most versatile systems, AFM offers little guarantees on achieving repeatable satisfactory operation. This is the case as AFMs are not used to perform a single predictable task. AFM systems are feedback regulators, which rely on photodiode detector (PSD) sensing and piezoelectric actuation. The change in probe-surface contact is a disturbance created by scanning across a surface. This disturbance is to be rejected to maintain probe-surface contact and thus allow proper surface characterization. AFM feedback systems are not only required to maintain a nominal PSD output but also guarantee that the control signal used is representative of the rejected disturbance. This is due to the fact that the image of the scanned surface is created from this control voltage. These characteristics impose severe limitations on the system's operation bandwidth, repeatability, and precision. In this effort, the key characteristics and limitations of AFM operation are analyzed. Challenges due to surface variations, plant dynamics, and contact nonlinearity are presented. The closed loop response of AFM systems in single actuator as well as in dual actuator configurations is evaluated. The emphasis is on the underlying structure corresponding to each configuration and not on a particular system tuning. In this regard, the bounds on achievable performance in each configuration are contrasted for operation within the system's overall objectives.
by Khalid El-Rifai.
S.M.
Rozmovits, Linda 1959. "A.M. Klein and modernism." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=64004.
Повний текст джерелаFermé, Eduardo. "On the Logic of Theory Change : Extending the AGM Model." Doctoral thesis, KTH, Filosofi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-29601.
Повний текст джерелаQC 20110211
Sarker, Md Omar Faruque. "Self-regulated multi-robot task allocation." Thesis, University of South Wales, 2010. https://pure.southwales.ac.uk/en/studentthesis/selfregulated-multirobot-task-allocation(4b92f28f-c712-4e75-955f-97b4e5bf12dd).html.
Повний текст джерелаKhanal, Dipesh. "Toxicological considerations of nanoparticles using two and three dimensional liver models: Holistic approach to nanoparticle characterization and nanotoxicity assessment." Thesis, The University of Sydney, 2018. http://hdl.handle.net/2123/18637.
Повний текст джерелаSpitzner, Eike-Christian. "Subsurface and MUSIC-Mode Atomic Force Microscopy." Doctoral thesis, Universitätsbibliothek Chemnitz, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-94864.
Повний текст джерелаVecchiola, Aymeric. "Développement d’une imagerie de résistance électrique locale par AFM à pointe conductrice en mode contact intermittent." Thesis, Paris 11, 2015. http://www.theses.fr/2015PA112058/document.
Повний текст джерелаThe atomic force microscope (AFM) allows to characterize with excellent spatial resolution samples of different types of surfaces and can be implemented in various environments. This versatility has encouraged the development of a large number of derivative technics, intended to investigate various local physical properties. The LGEP thus achieved a module, the Résiscope, capable of measuring the local electrical resistance on the surface of a sample polarized continuously, on a range of 11 decades. Developed in contact mode, where the tip continuously exerts a force on the sample, this technic works well on hard materials, but finds its limits on soft or fragile samples since under certain conditions, the tip can alter the surface. For such samples, an intermittent contact mode, in which the tip comes at regular intervals touch very briefly the surface, is more appropriate, but complicates the achievement of electrical measurements. The aim of this thesis was to overcome this difficulty by changing the Résiscope to be able to join the "Pulsed Force Mode", intermittent mode where the tip oscillates at a frequency of 100Hz to 2000Hz. Different hardware and software changes have been made to permit the detailed temporal monitoring of the electrical resistance signal to each make / break contact (necessary to review the phenomena related to intermittency), as well as to be able to work in acceptable scan speeds. For imaging, the best contrasts were obtained through an electronic timing and treatment taking into account the electrical resistance values at specific times.To test this new system, we have initially compared resistance and deflection curves we get by this mode with those considered classically in the force-distance curves mode. We then investigated the influence of main parameters (frequency and amplitude of oscillation, setpoint, coating of the tips, etc.) on the topographical and electrical measurements, using the HOPG as reference material. These tests resulted to highlight a nearly systematic delay of the electrical signal relative to the deflection signal (other than the Resiscope measure time), which we were not able to elucidate the origin. Once these knowledge acquired, we studied two types of organic samples, one in academic nature - Self-Assembled Monolayers of alkanethiols (SAMs), the other more applicative purpose – formed of thin layers of an interpenetrating network of two components (P3HT:PCBM) for photovoltaic cells. In both cases we have shown the relevance of the Resiscope tool in intermittent mode to obtain qualitative and quantitative information. In addition to these work on fragile materials, we conducted an annex study on a phenomenon of growth material of insulating nature found in special conditions on various hard materials, which has been interpreted as the friction polymer formation as a result of repeatedly nano-sliding associated with the deflection of the cantilever. These investigations were conducted under a CIFRE agreement with the Concept Scientific Instruments company, backed by the ANR MELAMIN» (P2N 2011) project
Wang, Kathleen F. "Characterizing molecular-scale interactions between antimicrobial peptides and model cell membranes." Digital WPI, 2014. https://digitalcommons.wpi.edu/etd-dissertations/153.
Повний текст джерелаJarmusik, Keith Edward. "An Improved Model for Interpreting Molecular Scale Electrostatic Interactions." Case Western Reserve University School of Graduate Studies / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=case1275666964.
Повний текст джерелаChai, Hao. "Statistical inference in high dimensional linear and AFT models." Diss., University of Iowa, 2014. https://ir.uiowa.edu/etd/1303.
Повний текст джерелаSingh, Amit Kumar. "Caractérisation des Mémoires Non-Volatiles Résistives par Microscopie à Force Atomique en mode Conduction (C-AFM) sous Ultravide." Thesis, Université Grenoble Alpes (ComUE), 2019. http://www.theses.fr/2019GREAT033.
Повний текст джерелаMemories are the fundamental for any electronic system we interact with in our daily life and are getting more and more important day by day in our present era. The growing functionalities and performance of the electronic products such as digital cameras, smart phone, personal computer, solid state hard disk and many more, need continues improvement of its features. Floating gate-based Flash technology is the main NVM technology used extensively in market these days. Nevertheless, Flash technology presents many problems making further scaling impossible. In this context, there are many other memory technologies emerging and interest in new concepts and materials to go beyond the Flash technology is growing. Resistive non-volatile memories based on two terminal devices, in which an active material is sandwiched between two electrodes have been investigated. The main idea of using this kind of structure and material is to use a specific physical mechanism allowing to switch it between two different resistive states for information storage. For example, in oxide based random-access memory (OxRAM), a conductive filament is grown inside the oxide layer, linking the two electrodes. By creation and disruption of this filament, two different resistance states can be generated. Another example is the phase change random-access memory (PCRAM), in which a chalcogenide material with the ability to change its phase between a high resistive amorphous and a low resistive crystalline state is used. Over the last few years OxRAM has been widely investigated due to many advantages like good scalability, long data retention time, fast read & write speed and low power consumption. The main benefit is that it is compatible with Back-end of line fabrication. In MIM structures for OxRAM, forming and disruption of the nanometer sized conductive filament is commonly accepted as the physical phenomenon for the switching, but still a debate is going on to understand the nature and characteristics of the conductive filament. Also, many studies have been done to evaluate the scaling capability of OxRAM and PCRAM. Hence, in this thesis work we studied mechanisms related to the conductive filament based resistive switching at nanoscale. To do the electrical characterization, a new technique using conductive atomic force microscopy (C-AFM) in ultra-high vacuum is proposed. The impact of different AFM tip materials (which is used as top electrode), different bottom electrode materials and the compliance current effect in two different regimes (in nA and in µA) are investigated. It is found that in the case of HfO2 based OxRAM, the filament is formed by Ti diffusion from the bottom electrode through the oxide layer. The results are in good agreement with device characteristics and could be reproduced by modeling. Also, phase transition in phase change materials for PCRAM is investigated for Ge2Sb2Te5 (GST-225) and Ge rich GST. It was found that the phase transition from amorphous to crystalline is possible at nanoscale. Finally, the threshold for GST-225 is observed at values nearer to those observed on devices than former observations with standard C-AFM
Horne, Jimmy D. "Modeling optical turbulence with coamps during two observation periods at Vandenberg AFB /." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2004. http://library.nps.navy.mil/uhtbin/hyperion/04Mar%5FHorne.pdf.
Повний текст джерелаThesis advisor(s): Douglas Miller. Includes bibliographical references (p. 67-70). Also available online.
Dressel, Frank. "Sequenz, Energie, Struktur - Untersuchungen zur Beziehung zwischen Primär- und Tertiärstruktur in globulären und Membran-Proteinen." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2008. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1222781322751-68621.
Повний текст джерелаPERISSINOTTO, FABIO. "Lipid raft formation and lipid-protein interactions in model membranes." Doctoral thesis, Università degli Studi di Trieste, 2018. http://hdl.handle.net/11368/2919798.
Повний текст джерелаOh, Yunje. "Prediction of steady state response in dynamic mode atomic force microscopy and its applications in nano-metrology." The Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=osu1135222817.
Повний текст джерелаParlak, Zehra. "Quantitative imaging of subsurface structures and mechanical properties at nanoscale using atomic force microscope." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/37181.
Повний текст джерелаLuu, Ngoc Mai. "Sondes à nanotubes de carbone mono-paroi pour la microscopie à force atomique : synthèse et imagerie à l'air et en milieu liquide." Thesis, Bordeaux, 2019. http://www.theses.fr/2019BORD0071/document.
Повний текст джерелаAtomic force microscopy (AFM) is used to study at nanometer scale samples on surfaces. It offers many advantages over conventional optical microscopes and electron microscopes: no freezing, metal coating, vacuum or dye is needed to prepare the sample. The AFM imaging resolution is mostly determined by the sharpness of the used probe and can reach molecular resolution. However, silicon probes are brittle. Additionally, their pyramidal or conical shape generates artifacts on the resulting image. Among the probes currently under development, single-walled carbon nanotube probes offer good characteristics in terms of imaging quality and longevity. These probes are more resistant and smaller in size than traditional probes.This thesis focuses on the direct fabrication of single-wall nanotube probes at the apex of commercial AFM tips by the hot-filament chemical vapor deposition method in a reactor developed at CBMN. By playing on the synthesis parameters, such as the amount of catalyst or the temperature of synthesis, we optimize the original synthesis protocol in collaboration with its author Anne-Marie Bonnot in order to adapt it to our reactor. The nanotubes obtained are characterized by Raman, scanning electron microscopy and transmission electron microscopy and AFM. The characterization shows that the nanotubes obtained have a single-wall structure. The yield of nanotube probes for AFM is 30%.AFM approach-retract curves give us information about the nanotube probe used, such as its stiffness or the number of nanotubes in contact with the surface. These curves allow us to select the imaging parameters. Two samples are tested with the produced probes: highly oriented pyrolytic graphite and rectangular DNA origamis. We image the samples with nanotube probes in both air with dynamical FM mode and in liquid medium with Peak Force mode. The results show high resolution images of DNA origami where the 5.8 nm period is observable. Nanotube probes also have longer life than silicon AFM tips
AZİZOĞLU, YAĞIZ. "Micromechanical Numeric Investigation of Fiber Bonds in 3D Network Structures." Thesis, KTH, Hållfasthetslära (Avd.), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-144036.
Повний текст джерелаBuchoux, Julien. "Nanotubes de carbone comme sondes en microscopie à force atomique : nanomécanique et étude à l’interface air-liquide de fluides complexes." Thesis, Bordeaux 1, 2011. http://www.theses.fr/2011BOR14221/document.
Повний текст джерелаAtomic force microscopy exploits interactions between a probe and a sample. Carbon nanotubes represent the ideal probe; they are thin with a high aspect ratio, robustes and few reactive. The widespread use of carbon nanotube probes needs the study of their mechanical behavior in contact with a surface. We study two types of probes: probes with multiwalled nanotubes and probes with singlewalled nanotubes. For multiwalled nanotubes, we used three differents AFM modes that are contact, frequency modulation and thermalnoise. The experimental results are compared with mechanical models that we developed. Studies of singlewalled nanotubes have been produced from an interferometric AFM. These measures have enabled us to determine the adhesion energy per unit length of singlewalled nanotubes on graphite and mica surfaces.Finally we present two applications of AFM probes with multiwall nanotubes. The first is a project of electrochemical sensors for which a multiwall nanotube is used as a nanolocalisator. The second is a study by AFM of air-liquid interface of complex fluids
Baiti, Risa Nurin. "Characterization of nano-mechanical properties of biological lipid membranes with circular mode atomic force microscopy." Thesis, Compiègne, 2017. http://www.theses.fr/2017COMP2403/document.
Повний текст джерелаCell membranes are involved in many cellular processes: drugs and ions diffusion, signal transduction, energy generation, cell development (fusion and fission). Phospholipid bilayers are the main components of cell membranes, they act as a dynamic barrier protecting cellular biochemical reactions. The determination of biochemical and mechanical properties of lipid bilayers and their evolution with environmental conditions is necessary to study the nature of cellular processes and the influence of external agents (mechanical resistance, permeability, and biological response). To conduct such characterizations, simplified biomimetic membrane models, such as supported lipid bilayers (SLBs), were developed. Among the available characterization techniques, atomic force microscopy (AFM) has been widely used to study the nanoscale organization of SLBs under physiological conditions. AFM can yield high resolution images and it can also be used to quantify the mechanical resistance of SLBs by means of punch through experiments. For 30 years, AFM has been through many developments. Very recently, the Circular Mode AFM (CM-AFM) has been developed at the Université de Technologie de Compiègne. CM-AFM is able to generate a sliding movement of the AFM tip on the sample at high, constant and continuous velocity and to measure the lateral friction forces fast and accurately simultaneously with the vertical forces. For the first time CM-AFM is used to characterize biological samples under physiological conditions, allowing the simultaneous measurement of both the punch-through and the friction forces as a function of the sliding velocity. It offers for the first time the ability to describe the friction behavior of SLBs in complement of the punch-through force. Due to the important need for quantitative measurement, optimization of the CM-AFM protocol has been done first. Protocol of scanner calibration has been successfully established to ensure the accuracy of sliding velocity. Besides, the protocol for tip calibration, based on wedge method and a scratched sample, is also made to determine the lateral force calibration constant. We have employed CM-AFM to measure the tribological properties of solid samples to improve the equipment under liquid medium. Then, the mechanical properties (punchthrough and friction forces) of SLBs were measured as function of the sliding velocity. Pure and mixed SLBs were prepared by the vesicle fusion method. Various media were also used to study the effect of monovalent cations to the mechanical properties of SLBs. In all cases, the friction force increases linearly with the sliding velocity allowing us to deduce the friction viscous coefficient. As expected both the punchthrough force and the friction viscous coefficient are influenced by the composition of lipid mixtures, by the nature of cations in liquid medium, and by the length of hydrocarbon chains but not in a similar fashion. The interpretation of the evolution of the viscous friction force coefficient with the studied system is particularly tricky as the friction force could be influenced by interface or volume properties. This problematic will be the challenge for the next studies. Nevertheless, our results illustrate how powerful the CM-AFM technique is and it opens wide opportunities to characterize other biological samples (cells and tissues) to gain a better understanding of the elementary mechanisms of friction
Kelly, Joseph. "Advances in the Normal-Normal Hierarchical Model." Thesis, Harvard University, 2014. http://dissertations.umi.com/gsas.harvard:11498.
Повний текст джерелаCheng, Kun. "Deformable models for adaptive radiotherapy planning." Thesis, University of Edinburgh, 2016. http://hdl.handle.net/1842/22893.
Повний текст джерелаDarwich, Samer. "Colloidal Gold Nanoparticules : A study of their Drying-Mediated Assembly in Mesoscale Aggregation Patterns and of their AFM Assisted Nanomanipulation on Model Solid Surfaces." Phd thesis, Université de Haute Alsace - Mulhouse, 2011. http://tel.archives-ouvertes.fr/tel-00718640.
Повний текст джерелаSpadafora, Evan. "Etude par microscopie à force atomique en mode non contact et microscopie à sonde de Kelvin, de matériaux modèles pour le photovoltaïque organique." Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00647312.
Повний текст джерелаCollins, E. C. J. "In vivo models for elucidation of role of MLL-AF9 chromosomal translocations in leukaemia." Thesis, University of Cambridge, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.597866.
Повний текст джерелаVogel, Alexander, Jörg Nikolaus, Katrin Weise, Gemma Triola, Herbert Waldmann, Roland Winter, Andreas Herrmann, and Daniel Huster. "Interaction of the human N-Ras protein with lipid raft model membranes of varying degrees of complexity." Universitätsbibliothek Leipzig, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-191006.
Повний текст джерелаHuang, Chia-Pin John. "From the triple helix model (THM) to an actor flow model (AFM) : two case studies on the co-creative evolutionary relationship between universities, industry, the government, and a research institute in Taiwan." Thesis, University of Bath, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.600723.
Повний текст джерелаWilson, Diane Easter. "A model curriculum for an associate of science in computer science, based on the ACM model, AACJC and CSAB guidelines." Virtual Press, 1991. http://liblink.bsu.edu/uhtbin/catkey/770947.
Повний текст джерелаDepartment of Computer Science
Lacroix, Loïc. "Mécanismes de corrosion localisée de l'alliage d'aluminium 2024 : apport de la microscopie à force atomique (AFM) couplée au mode Kelvin (KFM) et des alliages modèles." Phd thesis, Toulouse, INPT, 2008. http://oatao.univ-toulouse.fr/7821/1/lacroix.pdf.
Повний текст джерелаLacroix, Loïc Baret-Blanc Christine Ressier Laurence. "Mécanismes de corrosion localisée de l'alliage d'aluminium 2024 apport de la microscopie à force atomique (AFM) couplée au mode Kelvin (KFM) et des alliages modèles /." Toulouse : INP Toulouse, 2009. http://ethesis.inp-toulouse.fr/archive/00000842.
Повний текст джерелаAmrous, Ania. "Etude d'auto-assemblages moléculaires sur surfaces isolantes par microscopie à force atomique en mode non-contact sous ultravide à température ambiante." Thesis, Aix-Marseille, 2016. http://www.theses.fr/2016AIXM4368.
Повний текст джерелаIn this thesis, we report the results obtained with the growth of highly crystalline and stable supramolecular assemblies at room temperature on insulating surfaces of bulk alkali halides single crystals. The objective of this study is to structurally characterize these self-assembled networks and understand all the interaction forces involved in the growth and diffusion processes. This is performed by joint non-contact atomic force microscopy (nc-AFM) experiments in ultrahigh vacuum and theoretical calculations based on density functional theory (DFT) and molecular dynamics. We show how well-defined parameters for the choice of the molecule on the one hand such as size, shape, symmetry, flexibility and functionality, and the choice of the substrate on the other hand, influence the morphology growth and serve to steer the structure and diffusion properties of such systems
Taccad, Caesar C. "A model of contract administration for the Armed Forces of the Philippines (AFP) modernization program." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1999. http://handle.dtic.mil/100.2/ADA374091.
Повний текст джерела"December 1999". Thesis advisor(s): David V. Lamm. David A. Smith. Includes bibliographical references (p. 115-117). Also available online.
Myklatun, Ahne. "Production and Application of Micronsized Polysaccharide Particles - Studying Perturbation of a Model Mucus Barrier with Total Internal Reflection Fluorescence (TIRF) Microscopy and Atomic Force Microscopy (AFM) Indentation." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for fysikk, 2011. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-13742.
Повний текст джерелаParkin, John D. "Microcantilevers : calibration of their spring constants and use as ultrasensitive probes of adsorbed mass." Thesis, University of St Andrews, 2013. http://hdl.handle.net/10023/3608.
Повний текст джерелаVogel, Alexander, Jörg Nikolaus, Katrin Weise, Gemma Triola, Herbert Waldmann, Roland Winter, Andreas Herrmann, and Daniel Huster. "Interaction of the human N-Ras protein with lipid raft model membranes of varying degrees of complexity." de Gruyter, 2014. https://ul.qucosa.de/id/qucosa%3A14050.
Повний текст джерелаDemianyk, Bryan C. P. "Development of agent-based models for healthcare: applications and critique." IEEE, 2010. http://hdl.handle.net/1993/31049.
Повний текст джерелаFebruary 2016
Horne, Jimmy D. Jr. "Modeling optical turbulence with COAMPS during two observation periods at Vandenberg AFB." Thesis, Monterey, California. Naval Postgraduate School, 2004. http://hdl.handle.net/10945/1671.
Повний текст джерелаThe objective of this thesis is to investigate the forecastability of optical turbulence using the U.S. Navy's Coupled Ocean Atmosphere Mesoscale Prediction System (COAMPS). First, a detailed synoptic study was performed over the Eastern Pacific region for observation periods in October 2001 and March 2002 to focus on mesoscale features affecting Vandenberg AFB. Second, a modified version of COAMPS version 2.0.16 model output was evaluated to ensure reasonable modeling of the mesoscale. Next, temperature and dewpoint temperature vertical profiles of COAMPS, modified with the Turbulent Kinetic Energy (TKE) Method, were compared with balloon-launched rawinsondes, initially, then with higher resolution thermosondes. Optical turbulence parameters were then calculated from the data and a comparison between synthetic profiles and thermosonde-derived profiles were qualitatively and quantitatively studied. Then the vertical resolution of the model was increased for selected forecasts to determine the potential for forecast improvement.
Lieutenant Commander, United States Navy
Hoff, Brice. "Nanostructuration et caractérisation en ultravide de dépôts de molécules sur surfaces isolantes par microscopie à force atomique en mode non-contact et sonde de Kelvin." Thesis, Aix-Marseille, 2014. http://www.theses.fr/2014AIXM4078/document.
Повний текст джерелаThanks to ultra high vacuum experiments using non-contact AFM and Kelvin probe force microscopy (KPFM), we have been able to characterize precisely several depositions of molecules on different surfaces, including the (001) surface of a Cd2+ doped NaCl single crystal called the Suzuki surface. This surface is nanostructured such as two different regions coexist : pure NaCl regions and Suzuki regions covering partially the (001) surface. We show that the Suzuki surface can be used as a nanotemplate in order to confine the adsorption of nano-objects such as organic or inorganic molecules. After deposition of different functionalised pentahelicenes molecules, a large part of those stay preferentially adsorbed on Suzuki regions. Following the nc-AFM and KPFM observations a model will be presented on the mechanism of adsorption and desorption of those helicenes, accompanied with a astonishing study about fullerenes C60 molecules deposed on several surfaces, and the charge manipulation in these islands
Kotarsky, Ulf. "Hochauflösender mikromechanischer Sensor zur Erfassung von Oberflächenprofilen." Doctoral thesis, Universitätsbibliothek Chemnitz, 2005. http://nbn-resolving.de/urn:nbn:de:swb:ch1-200500132.
Повний текст джерелаFanelli, Gabriele. "Facial Features Tracking using Active Appearance Models." Thesis, Linköping University, Department of Electrical Engineering, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-7658.
Повний текст джерелаThis thesis aims at building a system capable of automatically extracting and parameterizing the position of a face and its features in images acquired from a low-end monocular camera. Such a challenging task is justified by the importance and variety of its possible applications, ranging from face and expression recognition to animation of virtual characters using video depicting real actors. The implementation includes the construction of Active Appearance Models of the human face from training images. The existing face model Candide-3 is used as a starting point, making the translation of the tracking parameters to standard MPEG-4 Facial Animation Parameters easy.
The Inverse Compositional Algorithm is employed to adapt the models to new images, working on a subspace where the appearance is "projected out" and thus focusing only on shape.
The algorithm is tested on a generic model, aiming at tracking different people’s faces, and on a specific model, considering one person only. In the former case, the need for improvements in the robustness of the system is highlighted. By contrast, the latter case gives good results regarding both quality and speed, with real time performance being a feasible goal for future developments.