Dissertations / Theses on the topic 'Self-controlled'

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1

Іванчук, Олексій Васильович, Алексей Васильевич Иванчук, and Oleksii Vasylovych Ivanchuk. "Self-controlled binomial counters." Thesis, Сумський державний університет, 2013. http://essuir.sumdu.edu.ua/handle/123456789/33535.

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Counters take a special place among digital circuits used for data processing. Nowadays we more and more often face the task of improving their supervisory capacity. However, controlling their errors is a rather complex task, which requires the development of an additional control device added to the counter, the operation of which it is also necessary to check. Moreover, in this case the counter becomes an inhomogeneous structure, which is not easy to design and adjust while its reliability may even decrease. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/33535
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Haraldsson, Jonathan, Julia Nordin, and Johanna Blomstedt. "Expressive Arduino Controlled Self-Balancing Robot." Thesis, Uppsala universitet, Fasta tillståndets elektronik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-298757.

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A robot capable of balancing itself on two wheels has been built and programmed. While balancing, the robot keeps within a limited area. The robot has a face with two eyes and a mouth, consisting of LED-matrices, which switch between six different facial expressions. The robot is programmed using Arduino boards, one of which implements PID regulators to control the motors.
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Dillenback, Lisa M. Keating Christine Dolan. "Self-assembly and controlled assembly of nanoparticles." [University Park, Pa.] : Pennsylvania State University, 2008. http://etda.libraries.psu.edu/theses/approved/WorldWideIndex/ETD-2613/index.html.

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4

Pakstis, Lisa M. "Controlled self-assembly of amphiphilic diblock copolypeptides." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file 14.66 Mb., 139 p, 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:3200558.

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5

Sporakowski, Laura. "Controlled patterning of self-assembled monolayer films." Master's thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-03172010-020130/.

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Müller, Marc [Verfasser]. "Light-Controlled Self-Assembly and Self-Sorting of Mammalian Cells / Marc Müller." Mainz : Universitätsbibliothek Mainz, 2020. http://d-nb.info/1202803970/34.

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7

Twomey, Megan. "Conjugated Polymer-Based Biomaterials Through Controlled Self-Assembly." FIU Digital Commons, 2016. http://digitalcommons.fiu.edu/etd/2452.

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Synthetic polymeric materials have gained significant use as biological materials (biomaterials) in biomedical and pharmaceutical applications. As a result, a demand for well-defined polymers with tunable properties has emerged. The synthetic versatility of polymeric biomaterials allows the opportunity to understand the structure-property relationship of materials and their cellular interactions. A novel class of polymeric biomaterials are conjugated polymers (CPs), which possess desirable physicochemical and excellent photophysical properties, including inherent fluorescence. The synthetic versatility of CPs allows easy modification of the conjugated backbone to tune emission and side chain structures to adjust biocompatibility through increased water solubility, controlled biodegradability, and incorporation of targeting units. The aim of this dissertation is to better understand conjugated polymer nanoparticle (CPN) structure and self-assembly in an aqueous environment, and how those structural features affect cellular interactions to establish a structure-function relationship. This work presents the fabrication of several different CPNs for cancer cell targeting and labelling, and differentiation of biologically important molecules. Core−shell nanoparticles were prepared using a semi-flexible cationic CPN complexed with hyaluronic acid (HA), a polyanion. The resulting CPNs exhibited high cancer cell specificity with low adsorption to normal cells, as a result of HA’s affinity towards overexpressed receptors on cancer cell surface. A systematic investigation on the aggregation properties of CPNs that vary by side chain and backbone structures in response to different biologically important anionic polysaccharides in a complex biological medium was conducted. Mitochondria-specific CPNs were fabricated from a semi-flexible CPN modified with the mitochondrial-targeting triphenylphosphonium (TPP) group. The subcellular localization and cellular toxicity were dependent on backbone flexibility, hydrophilicity, and molecular weight. Dual-targeting CPNs grafted with folic acid (FA) side chains and complexed with hyaluronic acid (HA) were fabricated for improved uptake and bioimaging of cancer cells. The work presented here shows how modifications to CPN backbone and side chain structures modulate their cellular interactions. The physicochemical and biophysical properties of CPNs affect biocompatibility and understanding those properties will lead to the development of novel CP-based biomaterials.
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Soohoo, Amanda L. "Self-Controlled Regulation of Mu Opioid Receptor Trafficking." Research Showcase @ CMU, 2015. http://repository.cmu.edu/dissertations/565.

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Our cells rely extensively on external signals for key cellular and systematic functions. Many of these signals take the form of small molecules that are recognized by receptors on the cell surface. G-protein coupled receptors (GPCRs) are the largest group of surface signaling receptors. GPCRs respond to a diverse array of signals including: light, pain, adrenaline and serotonin. The capability of a certain type of GPCR to receive its signals is dependent on the number of receptors on the cell surface available to receive that extracellular signal. Intracellular trafficking determines the surface receptor number. Since GPCRs relay such vital signals it has become increasingly clear that their intracellular trafficking is tightly regulated and intertwined with the received and transmitted signals by the GPCRs. This thesis focuses on the clinically, relevant mu-opioid receptor (MOR) which is the primary target of exogenous opiate drugs such as morphine and endogenous opiates such as endorphins and endomorphins. Once activated the MOR internalizes through clathrin-mediated endocytosis. Chapter 1 shows that the MOR is not passive in clathrin-mediated endocytosis, but has the ability to alter the duration of its own endocytosis events. Chapter 2 suggests that this change in endocytosis duration has a functional effect via changes in downstream signaling. Chapter 3 details how protein kinase C (PKC) serves as the control point for two regulatory mechanisms for the postendocytic recycling of the MOR; one stemming from the pain receptor neurokinin-1 and the second downstream of the G-protein signaling of the MOR itself. Chapter 4 explores a proteomic approach using stable isotope labeling of amino acids in cell culture (SILAC) to further elucidate the mechanisms governing MOR endocytosis and recycling.
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9

Xiong, Xiaorong. "Controlled multi-batch self-assembly of micro devices /." Thesis, Connect to this title online; UW restricted, 2004. http://hdl.handle.net/1773/5917.

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10

Gault, Nathalie. "Plans expérimentaux de type self-controlled en pharmacoépidémiologie." Thesis, Sorbonne Paris Cité, 2017. http://www.theses.fr/2017USPCC115/document.

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Les études de pharmacoépidémiologie consistent à étudier l’effet de médicaments en vie réelle, et sont menées de plus en plus souvent sur bases de données médico-administratives. Ce sont principalement des études observationnelles, et sont donc soumises à des biais liés à des facteurs de confusion. Ces facteurs ne sont pas toujours recueillis dans les bases de données médico-administratives qui sont implémentées à d’autres fins que la recherche. Des plans expérimentaux self-controlled designs (où le patient est son propre témoin, et dont les principaux sont le case-crossover et le self-controlled case-series) permettent d’étudier l’effet transitoire d'expositions brèves sur des évènements à début brutal. Ils sont soumis à certaines conditions d’application. Ils ont la particularité de réaliser des comparaisons sur différentes périodes plutôt que sur différents groupes de patients, permettant ainsi de prendre en compte des facteurs de confusion, y compris non mesurés, et qui ne varient pas entre les périodes observées. Ces méthodes ont montré leur utilité pour pallier l’absence de randomisation, et leur utilisation est recommandée quand leurs conditions d’application sont remplies. Nous avons étudié la fréquence d’utilisation des self-controlled designs en pharmacoépidémiologie sur bases de données, les opportunités manquées d’utilisation et leur usage approprié au regard de leurs conditions d’application, ainsi que la qualité de l’information rapportée dans les articles. Nous avons montré que leur utilisation est rare, que 15% des articles correspondent à des situations d’opportunité où ces méthodes auraient pu être implémentées, que 34% des case-crossover et 13% des self-controlled case-series étaient appliqué de façon inapproprié, et que pour 16% des articles la méthode aurait pu être adaptée pour être valide. Un usage plus approprié permettrait de contribuer à l’investigation en pharmacoépidémiologie tout en bénéficiant des avantages de ces méthodes en particulier sur bases de données de santé
Pharmacoepidemiology consists in the study of efficacy or safety of drugs in real life, with the use more and more frequently of medico-administrative databases. Study designs are generally observational, thus they are prone to confounding bias. Confounders are not systematically collected in databases, which are implemented for other purposes than research. Self-controlled designs (mainly represented by case-crossover and self-controlled case-series, and in which the patient acts as his own control), have been developed for the study of intermittent exposure with short-term effect on abrupt onset event. They require that validity assumptions being fulfilled. They consist in the comparison over different periods, rather than different groups of patients, thus allowing for confounding factors, also if not measured, which are invariant over observed periods. Such designs have been proved useful in observational studies in the absence of randomization, and their implementation is recommended in case of validity assumptions are fulfilled. We studied their frequency of use in pharmacoepidemiology in healthcare databases, missed opportunities for use, inappropriate use with respect to validity assumptions, as well as quality of reporting. We showed that self-controlled designs are rarely used, that opportunity for use was founds in 15% of articles where such methods could have been implemented, that 34% of case-crossover and 13% of self-controlled case series were inappropriately used, and that the method could have been adapted to be valid in 16% of articles. A more appropriate use of self-controlled designs could contribute to improve investigation in pharmacoepidemiology, while beneficiating from their advantages, especially in healthcare databases
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11

Joyce, Peter Brian. "Controlled growth of InAS/GaAs self-assembled quantum dots." Thesis, Imperial College London, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.405028.

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Weldeselassie, Yonas Ghebremichael. "Smooth risk functions for self-controlled case series models." Thesis, Open University, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.607161.

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The self-controlled case series (SeeS) method is commonly used to investigate associations between vaccine exposures and adverse events (side effects). It is an alternative to cohort and case control study designs. It requires information only on cases, individuals who have experienced the adverse event at least once, and automatically controls all fixed confounders that could modify the true association between exposure and adverse event. However, timevarying confounders (age, season) are not automatically controlled. The sees method has parametric and semi-parametric versions in terms of controlling the age effect. The parametric method uses piecewise constant functions with a priori chosen age ~ . groups and the semi-parametric method leaves the age effect unspecified. Mis-specification of age groups in the parametric version may lead to biased estimates of the exposure effect, and the semi-parametric approach runs into computational problems when the sample size is moderately large . Moreover, both versions of sees represent the time-varying exposures using step functions with pre-determined cut-points. A less prescriptive approach may be beneficial when the shape of the relative risk function associated with exposure is not known a priori, especially when exposure effects can be long-lasting. i :1 This thesis focuses on extending the sees method to avoid the aforementioned limitations I by modelling the age and exposure effects using flexible smooth functions. Specifically, we used penalised regression splines based on cubic M-splines, which are piecewise polynomials of degree 3. We developed three new extensions: a method that represents only the age effect with splines, a method that uses splines to model only the exposure effect and a non-parametric sees method that represents both effects by splines. Simulation studies showed that these new methods outperformed the parametric and semi-parametric methods. The new methods are illustrated using large data sets. Review of sees vaccine studies and directions on how to use the method are also given. "':-.' ' .
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Arai, Nozomi. "Self-Assembly of Colloidal Particles with Controlled Interaction Forces." Doctoral thesis, Kyoto University, 2021. http://hdl.handle.net/2433/263693.

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14

Vertes, Kelly. "Examining the Use of a Self-controlled Self-modeling Video within a Competitive Setting." Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/23251.

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Feedforward self-modeling (FF-SM), the process of viewing an edited video of the self- performing above one’s current ability (Dowrick, 1999), has been shown to be an effective tool for enhancing athletes’ competitive performance (Ste-Marie, Rymal, Vertes, & Martini, 2011). At 3 consecutive competitions, 9 trampolinists aged 9-16 years old were provided a FF-SM video of their trampoline routine one hour prior to competing and were provided the opportunity to control their viewings at their leisure. On average, the trampolinists viewed their videos 5 times per competition at 2 different time intervals. Interviews revealed that they perceived the video enhanced their performance. They indicated they chose to watch it to assist with skill execution; although, self-reported outcomes did include increased motor execution, increased self-efficacy, use of task strategies, and adaptive inferences. Throughout the span of the intervention, the trampolinists reported changes in their use of imagery, self-talk, and self-observation.
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15

Scheidler, Alexander. "Self-Organized Specialization and Controlled Emergence in Organic Computing Systems." Doctoral thesis, Universitätsbibliothek Leipzig, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-39591.

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In this chapter we studied a first approach to generate suitable rule sets for solving classification problems on systems of autonomous, memory constrained components. It was shown that a multi agent system that uses interacting Pittsburgh-style classifier systems can evolve appropiate rule sets. The system evolves specialists for parts of the classification problem and cooperation between them. In this way the components overcome their restricted memory size and are able to solve the entire problem. It was shown that the communication topology between the components strongly influences the average number of components that a request has to pass until it is classified. It was also shown that the introduction of communication costs into the fitness function leads to a more even distribution of knowledge between the components and reduces the communication overhead without influencing the classification performance very much. If the system is used to generate rule sets to solve classification tasks on real hardware systems, communication cost in the training phase can thus lead to a better knowledge distribution and small communication cost. That is, in this way the system will be more robust against the loss of single components and longer reliable in case of limited energy resources.
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16

Jones, Roy. "Access to a self-controlled thermal environment for growing pigs." Thesis, University of Bristol, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.481461.

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17

Goldfarb, Michael. "Control for a self-contained microcomputer-controlled above-knee prosthesis." Thesis, Massachusetts Institute of Technology, 1992. http://hdl.handle.net/1721.1/13116.

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Motonaga, Gregg Kiyoshi. "Evaluation of a self-contained, microcomputer-controlled, above-knee prosthesis." Thesis, Massachusetts Institute of Technology, 1992. http://hdl.handle.net/1721.1/12847.

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19

Goenechea, Eneko. "Development of an Electronically Controlled Self-Teaching Lift Valve Family." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-200270.

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Other than mobile hydraulics and high voltage switchgears, Bucher Hydraulics is also involved in the less-known area of hydraulic lifts. In fact, Bucher Hydraulics did invent the electronically controlled lift valve in the 1970s. Since then, Bucher Hydraulics developed a wide line of products for hydraulic elevators, such as valves and power units. In 2012, this valve family included various sizes, pressure ranges, systems with constant motor speeds, inverter-driven motors, energy-efficient solutions with hydraulic counterweight, as well as customized solutions. As the common principle, all these solutions apply an electronic closed-loop control that uses a volumetric flow sensor and a proportional actuator. Since 2012, Bucher Hydraulics is substituting this valve family with a new generation, the iValve. Every iValve uses several self-teaching algorithms to adapt to its environment. Their on-board and cabinet electronics control solenoid currents and measure flow, pressure, and temperature. These features enable the iValve to self-monitor, to adapt to operating parameters, and to analyze and log information about itself and the attached system. This report on a highly specialized product is meant to provide inspiring insights.
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Mach, Tomasz Henryk. "Autonomously controlled terminal mobility in self-organising radio access network." Thesis, University of Surrey, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.659109.

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This thesis examines the mechanisms improving user terminal mobility in a wireless cellular network. It addresses the problem of the lack of self-organisation in the cell reselection algorithms used in the mobile radio access networks. This mechanism is an autonomous terminal mobility procedure used when moving between cells. This work refers to the practical examples of the evolution of cellular teclmologies specified by 3rd G~neration Partnership Project (3 GPP). FUlthermore, this thesis is based on the detailed system analysis of the cell reselection procedure, aiming to identifY areas where the system could be improved by the application of the self-organising design approach. It studies how the performance of the cell measurements mechanism, allowing a tenninal mobility in the network could be increased by using the self-organising concept, in terms of the better cell reselection performance and the terminal energy efficiency trade-off. The main goal of these improvements is providing better quality of service, enhanced user experience and increased network operational performance while minimising maintenance costs. The main contributions of this thesis can be summarised as follows. Firstly, it investigates the autonomously controlled user terniimil mobility, its drawbacks, and limitations during the mobility between macro cells. Then, techniques increasing the energy efficiency of the terminal, without compromising the system performance during the cell reselection, are identified. Also, signalling protocol aspects during the cell reselection algorithm are studied and performance improvements are proposed. Furthermore, an evaluation and optimization of the cell reselection performance is undeltaken, considering different system level and user experience criteria. It draws on simulation results to analyse the serving cell quality, mobility measurements effOli impacting terminal energy efficiency and the related performance trade-offs. Finally, a selforganising approach based framework, with a practical example of the possible mechanism allowing a cost efficient self-optimization ofthe autonomously controlled mobility is proposed. Key words: Cell Reselection, Energy Efficiency, Land Mobile Radio Cellular Systems, Neighbour Cells Measurements, Radio Access Network, Radio Resource Control Protocol, SelfOrganising Networks
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Mayer, Oliver. "Controlled formation of cobalt-particles in nanoscaled self-assembled structures." [S.l. : s.n.], 2006. http://nbn-resolving.de/urn:nbn:de:bsz:289-vts-56281.

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22

Carter, Michael J. "Cognitive Processes Underlying the Learning Advantages of Self-Controlled Feedback Schedules." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/34488.

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It is well established that an effective way to schedule knowledge of results (KR) during practice to facilitate motor learning is to allow the learner to control their KR delivery, termed self-controlled KR, rather than imposing the same schedule on the learner without choice, termed yoked KR. The learning advantages of self-controlled KR schedules have been attributed to motivational influences and/or information-processing activities with numerous researchers favouring the motivational perspective in recent years. However, many findings currently exist that are difficult to reconcile using a (purely) motivational influences explanation. For this dissertation, three experiments were conducted that aimed to better understand the learning advantages of self-controlled KR schedules from an information-processing perspective. Chapter 2 of this dissertation provides further evidence that the learning benefits of self-controlled KR schedules depend on the option of completing the decision to receive KR after a motor response. The option of making the KR decision after a trial, rather than before a trial was suggested to allow the learner to request KR only when a comparison between estimated and actual error would maximize the informational value of the KR received. This in turn would be expected to strengthen one’s error detection capabilities. This was supported by retention and transfer data where a more accurate ability to estimate one’s performance in the absence of KR was found in the two self-controlled groups that were able to make a KR decision after a trial. In addition, open-ended questions regarding the strategies used for requesting KR during practice were administered at the midpoint and end of practice. An inductive thematic analysis (Chapter 3) of the self-reported KR strategies generated five themes and it was noted that strategy use changes as a function of practice. That is, the dominant strategy used during the first half of practice was different from that used during the second half of practice. Based on the results presented in Chapters 2 and 3, Chapter 4 provides evidence that the KR-delay interval is a critical time period for reaping the learning benefits of self-controlled KR schedules. Specifically, having participants engage in an interpolated activity during the KR-delay interval eliminated the effectiveness of self-controlled KR schedules for motor learning. It is argued that the interpolated activity interfered with the processing of response-produced feedback upon movement completion that are critical for determining whether receiving KR on a given trial would provide a meaningful learning experience. Lastly, Chapter 5 provides evidence that suggests the primary motor cortex (M1) may not have a significant role in the learning advantages of self-controlled KR schedules. However, a caveat of this conclusion is that the learning benefits of practicing with a self-controlled KR schedule were negligible. Taken together, the results presented in this dissertation suggest that informational factors associated with the processing of response-produced feedback and KR for the development of one’s error-detection capabilities, rather than motivational influences are more critical for the learning advantages of self-controlled KR schedules.
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Walther, Markus. "Simulation of strain-induced and defect-controlled self-organization of nanostructures." Doctoral thesis, kostenfrei, 2008. http://nbn-resolving.de/urn/resolver.pl?urn=nbn:de:bvb:20-.

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Al-Lawati, Zuhoor Hassan Habib. "Surface controlled alignment of discotic liquid crystals on self assembled monolayers." Thesis, University of Leeds, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.581450.

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The alignment of liquid crystal (LC) materials at surfaces is important for many applications such as those in the display industry and chemical and biological sensors. The alignment of thermotropic calamitic LC is an interesting field of research and has been studied well. However, little has been done in the area of discotic liquid crystals in general and in the field of the lyotropic discotic liquid crystal in particular. Discotic liquid crystals have gained interest recently due to their electrical conduction in one dimension, which makes them potentially useful for electronic devices such as transistors, light emitting diodes and solar cells. The alignment of discotic liquid crystals on self-assembled mono layers (SAMs) of alkanethiols has been the focus of this investigation. Both lyotropic (TP6E02M) and thermotropic (HA T11 and RJB66C) discotic liquid crystals were studied on various SAMs. Anchoring at the phase transitions was studied by tracking the shift in the Brewster angle as a function of temperature using Evanescent Wave Ellipsometry (EWE). Modelling to support the EWE experiments has been employed. For the nematic TP6E02M phase, EWE experimental results revealed random planar alignment on both CH3 and COOH functionalised alkanethiol SAMs. The shift in the Brewster angle was in good agreement with the modelling for a random planar alignment over a range of concentrations. In order to understand this behavior, EWE adsorption studies of dilute TP6E02M solutions on both high and low energy surfaces were also preformed. On each SAM a monolayer of the surfactant formed with the hydrophilic side chains of the TP6E02M molecules extending from the interface.
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Burgess, Mary. "Postal self-exposure treatment of recurrent nightmares : a randomised controlled trial." Thesis, King's College London (University of London), 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369056.

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Champ, Simon. "The controlled crystallisation of calcium carbonate by self-assembling organic systems." Thesis, University of Salford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.391314.

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Chu, Yang. "RATIONAL CONTROLLED SELF-ASSEMBLY BEHAVIOR OF INORGANIC-ORGANIC HYBRIDS IN SOLUTION." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1488282260459173.

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Chervyachkova, Elizaveta [Verfasser], and G. Elisabeth [Akademischer Betreuer] Pollerberg. "Light-controlled self-assembly and self-sorting of cell-like compartments / Elizaveta Chervyachkova ; Betreuer: G. Elisabeth Pollerberg." Heidelberg : Universitätsbibliothek Heidelberg, 2018. http://d-nb.info/1177149621/34.

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Li, Bo. "Crafting ordered structures of nanomaterials via flow-enabled self-assembly (FESA) and controlled evaporative self-assembly (CESA)." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/53538.

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The use of spontaneous self-assembly as a lithography free means to construct well-ordered, often intriguing structures has received much attention for its ease of producing complex, centimeter-scale structures with small feature sizes. These self-organized structures promise new opportunities for developing miniaturized optical, electronic, optoelectronic, and magnetic devices. One extremely simple route to intriguing structures is the evaporative self-assembly of nonvolatile solutes from a sessile droplet on a solid substrate. However, flow instabilities during the evaporation process often result in non-equilibrium and irregular dissipative structures (e.g., randomly organized convection patterns, stochastically distributed multi-rings, etc.). Therefore, in order to fully control the evaporative self-assembly of solutes, two strategies, namely, controlled evaporative self-assembly (CESA) and flow-enabled evaporative-induced self-assembly (FESA) were developed to create ordered structures of various nanomaterials. First, hierarchical assemblies of amphiphilic diblock copolymer (i.e., polystyrene-block-poly(4-vinylpyridine) (PS-b-P4VP)) micelles were crafted by FESA. The periodic threads comprising a monolayer or a bilayer of PS-b-P4VP micelles were precisely positioned and patterned over large areas. Second, highly aligned parallel DNA nanowires in the forms of nanostructured spokes over a macroscopic area were created via evaporative self-assembly (CESA) by subjecting DNA aqueous solution to evaporate in a curve-on-flat geometry composed of a spherical on a flat substrate. Third, large-scale aligned metallic nanowires templated by highly oriented DNA were produced by flow-enabled self-assembly (FESA). A simple yet robust swelling-induced transfer printing (SIT-Printing) technique was developed to transfer ultralong DNA nanowires onto the desirable substrate. Subsequently, the resulting DNA nanowires were exploited as templates to form metallic nanowires by exposing DNA nanowires preloaded with metal salts under oxygen plasma. Moreover, DNA nanowires were also employed as scaffold for aligning metal nanoparticles and nanorods. Fourth, colloidal microchannels (i.e., cracks) on a large scale were yielded by fully controlling the drying process of colloidal suspensions via flow-enabled self-assembly (FESA). The influence of chemically patterned substrate (i.e., hydrophobic stripes on a hydrophilic substrate) on the formation of colloidal microchannels was explored. In addition, such colloidal microchannels with tunable center-to-center distance between the adjacent cracks, λ_(c-c) was exploited as template for aligning inorganic nanoparticles. Importantly, theoretical study of the formation mechanism of parallel stripes of solutes by FESA was conducted. The relationship between the characteristic spacing of adjacent stripes λ_(c-c) and other experimental parameters such as the stripe width, the stop time and the moving speed of lower substrate were scrutinized. Such theoretical modeling would provide guidance for the precise design and crafting of ordered structures composed of nanomaterials by FESA in the future study. Interestingly, during the preparation of Au nanorods, the formation of ultrathin gold nanowires were unexpectedly observed. Based on conventional synthetic route to Au nanorods using CTAB as soft-templates, we discovered that the addition of a small amount of hydrophobic solvent (e.g., toluene or chloroform) to the Au growth solution entailed the formation of ultrathin Au nanowire, rather than Au nanorods. The growth mechanism of such intriguing water-soluble ultrathin Au nanowires, differed from those formed by using oleylamine (i.e., non-water-soluble Au nanowires), was explored. In general, the ability to craft ordered structures comprising nanomaterials by FESA and CESA provides new opportunities for organizing nanomaterials for use in electronics, optics, optoelectronics, sensors, nanotechnology and biotechnology.
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Ho, Rachel L. M. "Self-controlled learning and differential goals| Does "too easy" and "too difficult" affect the self-control paradigm?" Thesis, California State University, Long Beach, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10239730.

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In the learning and cognitive fields it has been well established that a two-way interaction between instructor and participant is more beneficial for learning. Within Motor Control and Learning, this process comes to fruition through what is known as self-controlled practice. The purpose of this study is to determine how goals influence the process of self-controlled practice. It was hypothesized that there will be a difference in learning between the self-controlled group (SC) and a yoked group (Y) as well as a difference in learning between the SC groups with respect to timing goal. One hundred and twenty young adults participated in this experiment. Participants in the self-control group were provided control over the amount of practice trials they completed during practice while participants in the yoked group received the same amount of practice trials as the individuals in the self-control group. Additionally, self-control participants were grouped according to timing goals. Error score measures were collected to assess changes in performance. Results indicated partial confirmation of differences due to stringency of the timing goal, as well as, no differences between self-control and yoked groups.

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31

Venus, Jochen. "Simulation of self-action : on the morphology of remote-controlled role playing." Universität Potsdam, 2010. http://opus.kobv.de/ubp/volltexte/2010/4277/.

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Computer games may be defined as artifacts that connect the input devices of a computer (such as keyboard, mouse or controller) with its output devices (in most cases a screen and speakers) in such a way that on the screen a challenge is displayed. On the screen we see pictorial elements that have to be manipulated to master a game, that is to win a competition, to solve a riddle or to adopt a skill. Therefore the characteristics of the representational function of computer games have to be contrasted phenomenologically with conventional games on the one hand and cinematic depictions on the other. It shows that computer games separate the player from the playing field, and translate bodily felt concrete actions into situational abstract cinematic depictions. These features add up to the situational abstract presentation of self-action experience. In this framework computer games reveal a potential as a new means of shared cognition that might unfold in the 21st century and change the beingin- the-world in a similar way as cinematic depiction did in the 20th century
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32

Heels, Erik J. (Erik John). "Computer interface for a passive self-contained microcomputer controlled above-knee prosthesis." Thesis, Massachusetts Institute of Technology, 1988. http://hdl.handle.net/1721.1/14584.

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33

Gomes, Correia Cindy. "Directed self-assembly strategies for orientation-controlled block copolymers for advanced lithography." Thesis, Bordeaux, 2019. http://www.theses.fr/2019BORD0393.

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L’objectif de ce travail était de mettre en évidence le potentiel du PDMSBb-PS pour des applications en nanolithographie avancée. Pour cela, nous avons fourni une compréhension du comportement d’auto-assemblage du PDMSB-b-PS en masse et en film mince. Nous avons réalisé l’auto-assemblage de ce copolymère semicristallin en cylindre et gyroïde bien définis avec des périodicités inférieures à 20 nm grâce à un paramètre d’interaction de Flory-Huggins élevé (Chapitre 2). Nous avons par la suite proposé une approche pour obtenir des lamelles perpendiculaires du PDMSB-b-PS en film mince grâce à l’utilisation de sur-couches neutres réticulables. La polyvalence de cette approche a été démontrée à l’aide de CPBs de masses moléculaires différentes et s’est ensuite étendue à la formation d’empilements via un processus d’auto-assemblage itératif (chapitre 3). Enfin, nous avons réticulé la surcouche neutre à l’aide d’agents photo-sensibles ce qui nous a permis d’obtenir un motif par photolithographie au-dessus du film CPB. Ainsi, il a été possible de contrôler l’orientation du CPB à des endroits spécifiques du film (Chapitre 4)
The objective of our work was to highlight the potential of the high-χ PDMSB-b-PS BCP for advanced nanolithography applications. For this purpose, we have demonstrated the ability of our system to self-assemble into well-defined nanostructures in bulk and we have performed the self-assembly of cylinder- and gyroid-forming PDMSB-b-PS BCPs in thin film using industrially-friendly processes (Chapter 2). With the aim of controlling the out-of-plane orientation of lamellar-forming PDMSB-b-PS BCPs in thin film, we have proposed an innovative approach relying on the use of crosslinkable neutral TC layers. The versatility of this approach was demonstrated using BCPs having different macromolecular characteristics and extended to the formation of multi-layer stacks through an iterative self-assembly process (Chapter 3). Taking advantage of the crosslinking ability of our TC material, we have outlined the patterning ability of the TCs using photosensitive crosslinking agents. The patterning of neutral TCs above the lamellar-forming PDMSB-b-PS BCPs further allowed a control of the orientation of the PDMSB-b-PS domains in specific areas of the film (Chapter 4)
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34

Zhou, Jun. "Stimuli-responsive microgels for self-assembled crystalline structures and controlled drug release." Thesis, University of North Texas, 2009. https://digital.library.unt.edu/ark:/67531/metadc11001/.

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Tissue response to PNIPAM and HPC nanoparticles has been studied by implantation method. The results suggest that both PNIAPM and HPC nanoparticles possess good biocompatibility and they may serve as a good carrier for the applications of controlled delivery. Rheological properties of dispersions of IPN microgels composed of PNIPAM and PAAc have been studied. It is found that the IPN microgel dispersion can undergo a sol-gel transition at temperature above 33°C. In vivo drug release experiments suggest that the gelation procedure creates a diffusion barrier and thus leads to slow release. An emulsion method has been used to grow columnar crystals by mixing PNIPAM microgel dispersions with organic solvents. Effect of both temperature and microgel concentration on formation of columnar crystals has been studied. PNIPAM-co-NMA microgels have been used for the fabrication of crystalline hydrogel films by self-crosslinking microgels. The hydrogel film exhibits an iridescent. The thermally responsive properties and mechanical properties of this film have been studied. Melting temperature (Tm) of colloidal crystals self-assembled with PNIPAM-co-AAc microgels has been investigated as a function of pH, salt concentration and microgel concentration. It is revealed that Tm increases as pH value increases; Tm decreases with increase of salt concentration; Tm increases as microgel concentration increases. Phase behavior of PNIPAM-co-HEAc microgel dispersions has been investigated. It is observed that these microgel dispersions exhibit liquid, crystal, and glass phase. As microgel size increases, crystal phase shifts to low concentration range. As temperature increases, crystal phase shifts to high concentration ranges. These colloidal crystals can be stabilized by NaOH-induced gelation. Effect of NaOH concentration on formation of physical gelation has been investigated.
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Zhou, Jun Hu Zhibing. "Stimuli-responsive microgels for self-assembled crystalline structures and controlled drug release." [Denton, Tex.] : University of North Texas, 2009. http://digital.library.unt.edu/permalink/meta-dc-11001.

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36

Menzel, Jessie Erin. "Efficacy of a Dissonance-Based Intervention for Self-Objectification: A Randomized Controlled Trial." Scholar Commons, 2013. http://scholarcommons.usf.edu/etd/4917.

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Self-objectification is the process by which women take on a third-person perspective in evaluating their physical appearance and sexual attributes. Objectification theory states that self-objectification may lead to negative mental health outcomes in women; a growing body of cross-sectional and experimental research supports the connection between self-objectification and the experience of shame, disordered eating, depression, and sexual dysfunction. This study sought to evaluate an intervention designed to reduce self-objectification behaviors and beliefs in order to prevent the development of disordered eating, depression, and sexual dysfunction. An efficacious prevention program using cognitive dissonance induction was adapted to target self-objectification. The efficacy of the self-objectification dissonance intervention was evaluated in comparison to an expressive writing control condition. The self-objectification intervention was also compared to an existing empirically supported cognitive dissonance intervention targeting beliefs regarding the thin-ideal to determine whether or not this intervention provided added benefits in reducing risk factors for disordered eating and depression. A sample of 119 undergraduate females was recruited to participate in the study. Participants were randomized to one of three conditions: the self-objectification dissonance intervention, the thin-ideal dissonance intervention, or the expressive writing control group. All participants completed a baseline assessment and two intervention sessions over a three week period. One month following the completion of the second intervention session, participants were asked to complete a follow up assessment. Change in target outcome variables from baseline to post-intervention were evaluated using hierarchical linear models. Maintenance of treatment outcomes from post-intervention to 1 month follow up was evaluated using mixed factor analysis of variance. Results indicated that significant changes in outcome variables (body shame, disordered eating, body satisfaction, depression symptoms, and sexual self-consciousness) and mediating variables (self-surveillance, self-objectification, thin-ideal internalization) were associated with all three groups. The self-objectification dissonance intervention was associated with a greater reduction in self-surveillance compared to the control group but not with the thin-ideal dissonance intervention. For all groups, there were no significant changes in outcome and mediating variables from post-intervention to 1 month follow up. Participants in the self-objectification dissonance intervention, though, did continue to experience a decrease in self-surveillance over the one month follow up period compared to the thin-ideal dissonance group. Overall, results did not support that a self-objectification dissonance intervention is associated with significant reductions in eating disorder and depression risk factors above and beyond a general expressive writing task and existing intervention programs. These findings suggest that there is limited utility in specifically targeting objectification processes in prevention programs. Implications of study findings for future eating disorder and mental health prevention program designs are discussed.
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37

Grolman, Danielle Grolman. "Self-Organization and Controlled Spatial Distribution of Cellulosic Nanofillers in Polymer Thin Films." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1497966183559887.

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38

Shadpour, Sasan. "HIERARCHICAL SELF-ASSEMBLY IN B4 PHASE MORPHOLOGIES CONTROLLED BY STRATEGICALLY PLACING CHIRAL CENTERS." Kent State University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=kent1626269500504995.

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39

Griffin, Brandon J. "Efficacy of a Self-forgiveness Workbook: A Randomized Controlled Trial with University Students." VCU Scholars Compass, 2014. http://scholarscompass.vcu.edu/etd/3318.

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Insofar as forgiveness of oneself enables one to responsibly manage the consequences of wrongdoing, the practice of self-forgiveness may be essential to the preservation of one’s physical, psychological, relational, and spiritual health. In the present thesis, an intervention wait-list design was employed to investigate the efficacy of a 6-hour self-directed workbook designed to promote self-forgiveness. University students (N = 204) who reported perpetrating an interpersonal offense and who experienced some sense of remorse were randomly assigned to either an immediate treatment or wait-list control condition, and assessments were administered on three occasions. Participants’ self-forgiveness ratings increased in conjunction with completion of the workbook, and the effect of treatment depended upon self-administered dose and baseline levels of dispositional self-compassion in some cases. In summary, the workbook appeared to facilitate the process of responsible self-forgiveness among perpetrators of interpersonal wrongdoing, though replication trials are needed in which lower rates of attrition reduce the possibility of biased results.
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40

Byun, Myunghwan. "Controlled evaporative self-assembly of confined microfluids a route to complex ordered structures /." [Ames, Iowa : Iowa State University], 2009. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3389083.

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41

Rasoulinejad, Samaneh [Verfasser]. "Light Controlled Cell-Cell Adhesions and Self-Sorting in Multicellular Structures / Samaneh Rasoulinejad." Mainz : Universitätsbibliothek der Johannes Gutenberg-Universität Mainz, 2020. http://d-nb.info/1223379191/34.

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42

Jiang, Feng. "Ligand Controlled Growth of Aqueous II-VI Semiconductor Nanoparticles and Their Self-Assembly." Diss., The University of Arizona, 2013. http://hdl.handle.net/10150/311311.

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Colloidal semiconductor nanoparticles (NPs) contain hundreds to thousands of atoms in a roughly spherical shape with diameters in the range of 1-10 nm. The extremely small particle size confines electron transitions and creates size tunable bandgaps, giving rise to the name quantum dots (QDs). The unique optoelectronic properties of QDs enable a broad range of applications in optical and biological sensors, solar cells, and light emitting diodes. The most common compound semiconductor combination is chalcogenide II-VI materials, such as ZnSe, CdSe, and CdTe. But III-V and group IV as well as more complicated ternary materials have been demonstrated. Coordinating organic ligands are used to cap the NP surface during the synthesis, as a mean of protecting, confining, and separating individual particles. This study investigated the impact of the ligand on particle growth and self-assembly into hierarchical structures. ZnSe QDs were synthesized using an aqueous route with four different thiol ligands, including 3-mercaptopropionic acid (MPA), thioglycolic acid (TGA), methyl thioglycolate (MTG), and thiolactic acid (TLA). The particle growth was monitored as a function of reaction time by converting the band gaps measured using UV-vis spectroscopy into particle sizes. A kinetic model based on a diffusion-reaction mechanism was developed to simulate the growth process. The growth data were fit to this model, yielding the binding strength in the order TLA < MTG ≈ TGA < MPA. This result showed the relationship between the QD growth rates and the chemical structures of the ligands. Ligands containing electron-withdrawing groups closer to the anchoring S atom and branching promoted growth, whereas longer, possibly bidendate, ligands retarded it. Removing TGA ligands from the surface of CdTe QDs in a controlled manner yielded new superstructures that were composed of either intact or fused particles. Purifying as-synthesized QDs by precipitating them using an anti-solvent removed most of the free ligand in solution. Aging this purified QD suspension for a week caused self-assembly of QDs into nanoribbons. The long time needed for self-assembly was due to the slow equilibrium between the ligands on QD surface and in solution. Accelerating the approach to equilibrium by diluting purifed CdTe QDs with organic solvents triggered rapid self-assembly of superstructures within a day, forming various nanostructures from nanoribbons to nanoflowers. The type of nanostructures that formed was determined by the solvation of TGA in the trigger solvent. Extracting the smallest portion of TGA in methanol promoted vectorial growth into ribbons consistent with dipole-dipole attractive and charge-charge repulsive interactions. Removing more of the TGA layer in IPA caused the dots to fuse into webs containing clustered ribbons and branches, and the directional nature of the superstructure was lost. Completely deprotecting the surface in acetone promoted photochemical etching and dissolved the QDs, yielding ower-like structures composed of CdS. Nanocrystal (NC) growth mediated by a ligand was also studied in the organic synthesis of FeS₂ nanocubes. Oleylamine was used not only as the ligand but also the solvent and reductant during the reaction. A one hour reaction between iron (II) chloride and elemental sulfur in oleylamine at 200 ℃ and a S to Fe ratio of 6 yielded phase pure pyrite cubes with dimensions of 87.9±14.1 nm. X-ray diffraction (XRD) spectra and Raman peaks for pyrite at 340, 375, and 426 cm⁻¹ confirmed phase purity. Fourier transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy (XPS) results showed that the oleylamine remained on the FeS₂ surface as a ligand. The reaction mechanism includes the production of pyrrhotite Fe₁₋ᵪS (0≤x<0.5) via reduction of S⁰ to S²⁻ by oleylamine and the oxidation of pyrrhotite to pyrite with remaining S⁰.
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43

Blencowe, Christopher. "The development of triazole based self-immolative linkers and self-immolative polymer conjugates for the application of controlled substrate release." Thesis, University of Reading, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.558761.

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This thesis details the synthesis of self-immolative linkers based on 1 ,4-disubstituted-1 H-1,2,3- triazoles prepared via copper catalysed [3+2] azide-alkyne cycloaddition chemistry and their degradability as a function of pH. Their application to aqueous soluble polymer conjugates was also demonstrated. This thesis is divided into five chapters and an appendix. Chapter 1 provides an introduction to the theory of self-immolative elimination, and discusses the types of self-immolative linkers developed and their application to the controlled release of drug, sensor and fragrance molecules. The discussion has focused on the occurrence and use of self-immolative linkers in both biological and synthetic polymer conjugates and their release characteristics. Chapter 2 details the synthesis of a range of structurally diverse carbamate, carbonate and ether functionalised self- immolative triazoles bearing model fragrances or fragrance surrogates. A range of organic azide, and carbamate, carbonate and ether functionalised alkyne precursors were synthesised and methodologies optimised. Optimisation of the subsequent copper catalysed [3+2] azide-alkyne cycloaddition reaction was also conducted. Furthermore, a range of analytical standards were prepared for a comparative study aimed to identify, and differentiate between, degradation pathways. Chapter 3 depicts the degradation studies conducted on the self-immolative triazole linkers prepared . in Chapter 2. The acid and/or base sensitivity of these compounds were determined using a standardised methodology, and their labilities compared within, and across, each series. NMR spectroscopy was utilised to gather kinetic data with which structure-activity relationships could be highlighted and quantified. The analytical standards synthesised in Chapter 2 were utilised to positively identify reaction intermediates and product fragments. These analyses led to the proposal, and subsequent discussion of reaction mechanisms. Chapter 4 describes the synthesis of a range of polymers prepared by atom-transfer radical polymerisation featuring self-immolative triazole tethers. Firstly, a range of methodologies to obtain azide containing polymers were explored. Initiator, catalyst and solvent systems were optimised for each series. The copper catalysed [3+2] cycloaddition was examined using a range of synthesised polymers, and the lead material subjected to a degradation study. The 'staged-release' of multiple components under acidic conditions was demonstrated utilising analogous conditions to those developed in Chapter 3. Chapter 5 provides experimental details and analytical data for the small molecule compounds synthesised in Chapter 2, the degradation experiments conducted in Chapter 3 and polymeric materials synthesised in Chapter 4.
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Ueyama, Hanae. "Application of a Self-Controlled Case Series Study to a Database Study in Children." 京都大学 (Kyoto University), 2015. http://hdl.handle.net/2433/195974.

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Final publication is available at http://dx.doi.org/10.1007/s40264-014-0148-9. Hanae Ueyama et al. Application of a Self-Controlled Case Series Study to a Database Study in Children. Drug Safety Volume 37, Issue 4 , pp 259-268. 21 Mar 2014.
Kyoto University (京都大学)
0048
新制・課程博士
博士(社会健康医学)
甲第18688号
社医博第64号
新制||社医||8(附属図書館)
31621
京都大学大学院医学研究科社会健康医学系専攻
(主査)教授 佐藤 俊哉, 教授 平家 俊男, 教授 森田 智視
学位規則第4条第1項該当
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45

Hille, Pascal [Verfasser]. "Advanced group III-nitride nanowire heterostructures - self-assembly and position-controlled growth / Pascal Hille." Gießen : Universitätsbibliothek, 2017. http://d-nb.info/1132510511/34.

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46

Musonda, Patrick. "The self-controlled case series method : performance and design in studies of vaccine safety." Thesis, Open University, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.434973.

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47

Trainor, Gemma Philomena. "A randomised controlled trial of a group intervention with adolescents who repeatedly self-harm." Thesis, University of Manchester, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.702232.

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48

Capozzi, Charles J. "Controlled self-assembly of ito nanoparticles into aggregate wire structures in pmma-ito nanocomposites." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/28277.

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Thesis (M. S.)--Materials Science and Engineering, Georgia Institute of Technology, 2009.
Committee Chair: Gerhardt, Rosario; Engineering: Dr. Arun M. Gokhale; Engineering: Dr. Preet Singh; Engineering: Dr. Mohan Srinivasarao; Engineering: Dr. Meisha Shofner.
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49

Hoiles, Kimberley Jo. "A Randomised Controlled Trial of Guided Self-Help Cognitive Behaviour Therapy for Clinical Perfectionism." Thesis, Curtin University, 2016. http://hdl.handle.net/20.500.11937/51902.

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Perfectionism has been found to be elevated across disorders, with evidence that it can interfere with treatment outcome. Study 1, provides evidence of convergent validity of the CPQ in a mixed clinical sample (N = 32). In Study 2, guided self-help CBT for clinical perfectionism decreased perfectionism and psychopathology in an elevated perfectionism sample (N = 40) with self-criticism mediating treatment outcome. The intervention also reduced primary DSM-IV diagnosis and comorbid presentations.
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50

Wolf, Martina. "A computer-based self-treatment for social phobia development, evaluation and a controlled treatment study /." [S.l. : s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=967607957.

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