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Dissertations / Theses on the topic 'Chemical approach'

Author: Grafiati

Published: 11 March 2023

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1

Pennington, Daniel. "Chemical facility preparedness a comprehensive approach." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2006. http://library.nps.navy.mil/uhtbin/hyperion/06Sep%5FPennington.pdf.

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Thesis (M.A. in Security Studies (Homeland Security And Defense))--Naval Postgraduate School, September 2006.<br>Thesis Advisor(s): Ted Lewis. "September 2006." Includes bibliographical references (p. 83-88). Also available in print.

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2

Aldeeb, Abdulrehman Ahmed. "Systematic approach for chemical reactivity evaluation." Diss., Texas A&M University, 2003. http://hdl.handle.net/1969.1/159.

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Under certain conditions, reactive chemicals may proceed into uncontrolled chemical reaction pathways with rapid and significant increases in temperature, pressure, and/or gas evolution. Reactive chemicals have been involved in many industrial incidents, and have harmed people, property, and the environment. Evaluation of reactive chemical hazards is critical to design and operate safer chemical plant processes. Much effort is needed for experimental techniques, mainly calorimetric analysis, to measure thermal reactivity of chemical systems. Studying all the various reaction pathways exper

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3

Jensen, Stephanie Meryl, and Stephanie Meryl Jensen. "A Bioorthogonal Approach to Chemical Virology." Diss., The University of Arizona, 2016. http://hdl.handle.net/10150/621769.

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Dengue virus (DENV) is a mosquito-transmitted flavivirus that threatens approximately half of the world's population. In this dissertation, the use of bioorthogonal chemistry as a tool for researching emerging viral diseases, including DENV is explored. To this end, a bioorthogonally-modified amino acid was successfully installed within the proteome of DENV, which was used for the pull down of a known virus-protein interaction. This technology is intended to be broadly used for the determination of any virus-host interaction, through the installment of a non-perturbing modification that 1) doe

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4

Baldauf, Paul D. "Chemical industry security voluntary or mandatory approach?" Thesis, Monterey, Calif. : Naval Postgraduate School, 2007. http://bosun.nps.edu/uhtbin/hyperion.exe/07Mar%5FBaldauf.pdf.

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Thesis (M.A. in Security Studies (Homeland Security and Defense))--Naval Postgraduate School, March 2007.<br>Thesis Advisor(s): Thomas J. Mackin, Nadav Morag. "March 2007." Includes bibliographical references (p. 75-79). Also available in print.

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5

Alqahtani, Abdullah. "Integrated approach to chemical process flowsheet synthesis." Thesis, Loughborough University, 2008. https://dspace.lboro.ac.uk/2134/4034.

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Chemical process synthesis is an open ended step of process design as it deals with the problem of how to develop and integrate the chemical process flowsheet. Over the past four decades, very few systematic procedures have been proposed for the rigorous synthesis of complete chemical process flowsheets. Mathematical design and heuristics from experience of past processes are the two main methods usually employed in process synthesis. Most approaches for new designs use heuristics based on studying reaction and separation systems in isolation. This thesis discusses the development of a new pro

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6

Milsted, Andrew J. "Facilitating chemical discovery : an e-science approach." Thesis, University of Southampton, 2015. https://eprints.soton.ac.uk/377591/.

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e-Science technologies and tools have been applied to the facilitating of the accumulation, validation, analysis, computation, correlation and dissemination of chemical information and its transformation into accepted chemical knowledge. In this work a number of approaches have been investigated to address the diffeerent issues with recording and preserving the scientific record, mainly the laboratory notebook. The electronic laboratory notebook (ELN) has the potential to replace the paper notebook with a marked-up digital record that can be searched and shared. However it is a challenge to ac

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7

Cocchi, Stefano <1984&gt. "A chemical loop approach for methanol reforming." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amsdottorato.unibo.it/4758/1/Cocchi_Stefano_Tesi.pdf.

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Over the past few years, the switch towards renewable sources for energy production is considered as necessary for the future sustainability of the world environment. Hydrogen is one of the most promising energy vectors for the stocking of low density renewable sources such as wind, biomasses and sun. The production of hydrogen by the steam-iron process could be one of the most versatile approaches useful for the employment of different reducing bio-based fuels. The steam iron process is a two-step chemical looping reaction based (i) on the reduction of an iron-based oxide with an organic com

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8

Cocchi, Stefano <1984&gt. "A chemical loop approach for methanol reforming." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amsdottorato.unibo.it/4758/.

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Over the past few years, the switch towards renewable sources for energy production is considered as necessary for the future sustainability of the world environment. Hydrogen is one of the most promising energy vectors for the stocking of low density renewable sources such as wind, biomasses and sun. The production of hydrogen by the steam-iron process could be one of the most versatile approaches useful for the employment of different reducing bio-based fuels. The steam iron process is a two-step chemical looping reaction based (i) on the reduction of an iron-based oxide with an organic com

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9

Vozniuk, Olena <1989&gt. "Chemical-Loop Approach in Bio-Alcohols Reforming." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amsdottorato.unibo.it/7775/1/Thesis%20Olena%20Vozniuk%202017.pdf.

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The current research is focused on the study and evaluation of a new process for the hydrogen generation, named as Chemical-Loop Reforming (CLR) of Ethanol. The main principle of the CLR process is that an oxygen-storage material is first reduced by ethanol stream (T-450oC), and then re-oxidized by water (T-450oC), in order to produce hydrogen and restore the original oxidation state of a looping-material. Different M-modified spinel-type mixed oxides: TYPE I – MFe2O4 and TYPE II – M0.6Fe2.4Oy viz. modified ferrospinels (where M=Cu, Co, Mn, Mg, Ca and Cu/Co, Cu/Mn, Co/Mn), as potentially attra

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10

Heikkilä, Anna-Mari. "Inherent safety in process plant design : an index-based approach /." Espoo [Finland] : Technical Research Centre of Finland, 1999. http://www.vtt.fi/inf/pdf/publications/1999/P384.pdf.

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11

Delacour, Quentin. "Light-induced protein degradation : a chemical biology approach." Thesis, Paris 6, 2015. http://www.theses.fr/2015PA066347/document.

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La régulation de la protéolyse est un outil efficace pour le contrôle de la fonction d'une protéine dans des cellules. Nous présentons dans ce travail une stratégie générique permettant d'activer la protéolyse de façon conditionnelle par la lumière, améliorant ainsi la résolution spatio-temporelle. Notre approche repose sur un système de dégradation inductible par l'auxine (AID), mis au point en transposant des composants de la voie de dégradation contrôlée par l'auxine existant chez les plantes dans des cellules de mammifères. Nous présentons une version optimisée du système AID qui a permis

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12

Horne, Simon James. "A novel hybrid approach to modeling chemical processes." Thesis, University of Newcastle Upon Tyne, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.531756.

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13

Valette, Nathalie Marie. "A chemical biology approach to investigate amyloid formation." Thesis, University of Leeds, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.555842.

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Many peptides and proteins have now been linked with 'amyloidosis' disorders despite having apparently different structural and functional properties in their native states. Although progress has been made over recent years, it is still unclear how such different proteins can assemble into the common type of cross-B architecture that characterises such aggregates. Detailed knowledge of the mechanism leading to protein misfolding and aggregation, and of the structures of amyloid fibrils is highly important in order to develop new drugs capable of treating these life-threatening diseases. In add

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14

Toole, Edward. "An expert system approach to chemical hazard assessment." Thesis, Glasgow Caledonian University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.319147.

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Hazard assessment involves the retrieval of appropriate chemical hazard data and the production of an assessment which complies with relevant regulations. This is a complex process requiring detailed knowledge of chemical hazards and hazard assessment regulations. The purpose of this project is to investigate the use of an expert system approach for hazard assessment of complex systems. The approach has focused on the design, development and evaluation of an expert hazard assessor after appropriate modelling of chemical database retrieval, and legislative knowledge base. An "intelligent form"

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15

Byrne, Paul E. "A new approach to chemical synthesis of glycopeptides." Thesis, Liverpool John Moores University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.304508.

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16

Fishovitz, Jennifer. "A Chemical Approach to Distinguish ATP-dependent Proteases." Case Western Reserve University School of Graduate Studies / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=case1291142553.

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17

Radisic, Milica. "Biomimetic approach to cardiac tissue engineering." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/28665.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 2004.<br>"September 2004."<br>Includes bibliographical references.<br>(cont.) biochemical and morphological properties in the pretreated group. Finally, in order to mimic capillary structure cardiac fibroblasts and myocytes were co-cultured on a scaffold with a parallel channel array that was perfused with culture medium supplemented with synthetic oxygen carrier (PFC emulsion). Presence of the PFC emulsion resulted in significantly higher cell density and improved contractile properties compared to the cons

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18

Wood, Mark D. "A Methodological Approach to Process Intensification." Thesis, Cranfield University, 2000. http://hdl.handle.net/1826/3560.

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A methodological approach to process intensification (PI) has been developed to aid in the design of intensified chemical processes. Current process development procedures fail to consider if, and how, a chemical process can be intensified, resulting in limited application of PI in the chemicals industry. The PI methodology has been developed to meet these needs, focusing upon the chemical reaction stages of a process. The PI methodology is a paper-based tool, based around a flowsheet known as the framework. Throughout development, the methodology was applied to industrial case studies which r

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19

Prapainop, Kanlaya. "A chemical approach to nanoparticle targeting of the macrophage." Thesis, University of Oxford, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.549608.

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20

Alshami, Ali Saleh. "Dielectric properties of biological materials : a physical-chemical approach." Online access for everyone, 2007. http://www.dissertations.wsu.edu/Dissertations/Spring2007/A_Alshami_053107.pdf.

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21

Nortcliffe, Anne. "Anti-logging approach to pH control of chemical effluent." Thesis, University of Sheffield, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.398382.

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22

Pookaiyaudom, Panavy. "Chemical current-conveyor : a new approach in biochemical computation." Thesis, Imperial College London, 2011. http://hdl.handle.net/10044/1/7037.

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Biochemical sensors that are low cost, small in size and compatible with integrated circuit technology play an essential part in the drive towards personalised healthcare and the research described in this thesis is concerned with this area of medical instrumentation. A new biochemical measurement system able to sense key properties of biochemical fluids is presented. This new integrated circuit biochemical sensor, called the Chemical Current-Conveyor, uses the ion sensitive field effect transistor as the input sensor combined with the current-conveyor, an analog building-block, to produce a r

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23

Amale, Amit. "New approach to the design and optimization on energy efficient chemical processes /." View online ; access limited to URI, 2008. http://0-digitalcommons.uri.edu.helin.uri.edu/dissertations/AAI3314439.

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24

De, Man Patrick A. P. (Patrick Antonius Petrus). "Applications of the Bayesian approach for experimentation and estimation." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/34624.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 2006.<br>Page 272 blank.<br>Includes bibliographical references (p. 267-271).<br>A Bayesian framework for systematic data collection and parameter estimation is proposed to aid experimentalists in effectively generating and interpreting data. The four stages of the Bayesian framework are: system description, system analysis, experimentation, and estimation. System description consists of specifying the system under investigation and collecting available information for the parameter estimation. Subsequently,

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25

Bahri, Parisa A. "A new integrated approach for operability analysis of chemical plants." Connect to full text, 1995. http://hdl.handle.net/2123/4015.

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Thesis (Ph. D.)--University of Sydney, 1996.<br>Title from title screen (viewed on February 3, 2009) Submitted in fulfilment of the requirements for the degree of Doctor of Philosophy to the Dept. of Chemical Engineering. Degree awarded 1996, thesis submitted 1995. Includes bibliographical references. Also issued in print.

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26

Jiang, Jun. "A generalized quantum chemical approach for nano- and bio-electronics." Licentiate thesis, Stockholm, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-286.

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27

Schellenberger, Mario [Verfasser], and Brunhilde [Akademischer Betreuer] Blömeke. "Immunoprophylactic approach against chemical carcinogensis / Mario Schellenberger ; Betreuer: Brunhilde Blömeke." Trier : Universität Trier, 2012. http://d-nb.info/119780630X/34.

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28

Shiers, Vincent Paul. "Surface chemical physics of dye- diacetyl interactions : an optical approach." Thesis, University of Bristol, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358231.

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29

Sadawi, Noureddin. "A rule-based approach for recognition of chemical structure diagrams." Thesis, University of Birmingham, 2013. http://etheses.bham.ac.uk//id/eprint/4325/.

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In chemical literature much information is given in the form of diagrams depicting chemical structures. In order to access this information electronically, diagrams have to be recognized and translated into a processable format. Although a number of approaches have been proposed for the recognition of molecule diagrams in the literature, they traditionally employ procedural methods with limited flexibility and extensibility. This thesis presents a novel approach that models the principal recognition steps for molecule diagrams in a strictly rule based system. We develop a framework that enable

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30

Hanson, Kimberley. "A chemical genetic approach to identify new treatments for melanoma." Thesis, University of East Anglia, 2015. https://ueaeprints.uea.ac.uk/57211/.

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Melanoma is the most deadly form of skin cancer which develops from the pigment producing cells called melanocytes. Unlike the majority of other cancers, the incidence rates of melanoma are still on the rise and the few treatment options currently available are being hindered by resistance. A recent chemical genetic screen carried out in Xenopus laevis embryos identified that the already FDA approved drug leflunomide used for rheumatoid arthritis patients also holds potential therapeutic value in treating melanoma. This thesis shows the results of a new successful chemical genetic and cell bas

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31

Vafaeyan, Shadi. "A new approach to the Rough Set multicriteria optimisation method." Thesis, University of Ottawa (Canada), 2007. http://hdl.handle.net/10393/28031.

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In the recent years, enormous amount of attention has been given to multicriteria optimisation problems. These are problems with conflicting objectives, to which it is impossible to obtain an optimum solution that contains the best value for every criterion simultaneously, therefore the decision maker must decide on a reasonable compromise. There have been numerous developments of optimisation methods to aid the decision-maker in addressing such problems. These methods can be divided to two categories based on the use or not of the Pareto domain (PD). The Pareto domain is the set of all non-do

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32

Arizzi, Simone Marco Paolo. "Diffusion of small molecules in polymeric glasses : a modelling approach." Thesis, Massachusetts Institute of Technology, 1990. http://hdl.handle.net/1721.1/13742.

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33

How, Bing Shen. "Novel sustainable evaluation approach for multi-biomass supply chain." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/49091/.

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After the oil crisis held in 1973 and 1979, academicians and industry players have noticed the importance and necessity of having alternative and sustainable energy sources in future. Biological wastes, also named as “Biomass” has been cited as one of the significant sustainable energy sources. Biomass poses an ideal and substantial potential to achieve a sustainable system. However, the development of biomass industry is still relatively sluggish due to the lack of confidence of the investor to venture in this relatively new green business. This is most probably attributed to the low-maturati

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34

Selvaraj, Rajkumar. "Plant-wide energy assessment using a systems approach." Morgantown, W. Va. : [West Virginia University Libraries], 2003. http://etd.wvu.edu/templates/showETD.cfm?recnum=3125.

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Thesis (M.S.)--West Virginia University, 2003.<br>Title from document title page. Document formatted into pages; contains vi, 97 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 97).

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35

Godin, François. "Theory and simulation of self-cycling fermentation : a population balance approach." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0006/MQ44012.pdf.

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36

Keibler, Mark Andrew. "An integrated approach to understanding the metabolic rewiring of cancer cells." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/115016.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Chemical Engineering, 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>Cancer remains a leading worldwide health problem, and in the U.S., 1 in 3 women and 1 in 2 men are expected to develop it during their lifetimes. While the last several decades have provided tremendous understanding of the genetic mutations and signaling pathways that give rise to oncogenic transformation. However, the field of oncology has only relatively recently begun to appreciate the extent of metabolic rewiri

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37

Tan, Jonathan S. (Jonathan Samuel). "A quantitative approach for continuous improvement in process safety and reliability." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/10793.

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38

Huang, Kuan-Chen. "Study The Application of Non-isocyanate Approach in Polyurethanes and Diols." University of Akron / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=akron161729301625948.

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39

Ross, Roderick. "Dynamic operability assessment : a mathematical programming approach based on Q-parametrization." Doctoral thesis, University of Cape Town, 1997. http://hdl.handle.net/11427/19814.

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Bibliography: pages 197-208.<br>The ability of a process plant to guarantee high product quality, in terms of low variability, is emerging as a defining feature when distinguishing between alternative suppliers. The extent to which this can be achieved is termed a plant's dynamic operability and is a function of both the plant design and the control system design. In the limit, however, the closedloop performance is determined by the properties inherent in the plant. This realization of the interrelationship between a plant design and its achievable closed-loop performance has motivated resear

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40

Ashner, Matthew N. (Matthew Nickol). "Data-driven approach to understanding exciton-exciton interactions in CsPbBr₃ nanocrystals." Thesis, Massachusetts Institute of Technology, 2019. https://hdl.handle.net/1721.1/122847.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Chemical Engineering, 2019<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 105-109).<br>Lead halide perovskites are a rapidly developing class of materials of interest for optoelectronic applications. They have a number of desirable properties such as long carrier diffusion lengths and defect tolerance that arise from the materials' unique dielectric properties. Although much of the initial interest in lead halide perovskites was geared towards producing highly efficient solar cells from

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41

Linh, Thi Thuy Vu. "An integrated approach for simultaneous operability and switchability analysis of chemical plants." Phd thesis, Department of Chemical Engineering, 1999. http://hdl.handle.net/2123/3968.

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42

Magee, Alfred Wesley. "Chemical surface textures on quartz grains : an experimental approach using salts." Thesis, University of Oxford, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.306038.

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43

Georget, Dominique M. R. "A physical and chemical approach to understanding texture in Daucus carota." Thesis, University of East Anglia, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.302024.

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44

Lucius, Ruth A. "Assessing Corn Quality And Transformation During Nixtamalization: A Physico-Chemical Approach." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1231442056.

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45

Martínez, Haya Rebeca. "Photoredox catalysis for environmental and chemical applications. A mechanistically-based approach." Doctoral thesis, Universitat Politècnica de València, 2019. http://hdl.handle.net/10251/114828.

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En las últimas décadas, los procesos redox fotoinducidos mediados por luz visible han recibido gran atención debido a las suaves condiciones de operación en que se llevan a cabo. Como resultado, se han logrado posicionar como una alternativa más dentro de los Procesos de Oxidación Avanzada. Además, se han convertido en una metodología excepcional en síntesis orgánica, que ha abierto la puerta a nuevas rutas químicas con aplicaciones sintéticas. Sin embargo, a pesar del crecimiento del campo, se ha prestado poca atención a los mecanismos por los que operan estos procesos. El principal objetivo

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46

Berry, Alexandra Fay Helen. "A chemical proteomic approach to investigate Rab prenylation in living systems." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/10926.

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Protein prenylation is an important post-translational modification that occurs in all eukaryotes; defects in the prenylation machinery can lead to toxicity or pathogenesis. Prenylation is the modification of a protein with a farnesyl or geranylgeranyl isoprenoid, and it facilitates protein-membrane and protein-protein interactions. Proteins of the Ras superfamily of small GTPases are almost all prenylated and of these the Rab family of proteins forms the largest group. Rab proteins are geranylgeranylated with up to two geranylgeranyl groups by the enzyme Rab geranylgeranyltransferase (RGGT).

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Lucius, Ruth A. "Assessing corn quality and transformation during nixtamalization a physico-chemical approach /." Columbus, Ohio : Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1231442056.

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Zarzhitsky, Dimitri. "Physics-based approach to chemical source localization using mobile robotic swarms." Laramie, Wyo. : University of Wyoming, 2008. http://proquest.umi.com/pqdweb?did=1663060071&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.

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49

FACCHINI, FABIO ALESSANDRO. "Toll-like Receptor 4 (TLR4) therapeutic modulation: a chemical biology approach." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2018. http://hdl.handle.net/10281/198940.

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I recettori Toll-like (TLR) sono attivati in molte interazioni ospite-patogeno. Essi riconoscono pattern molecolari associati a patogeni (PAMP) inducendo la risposta immunitaria innata nell’ospite. Il TLR4 permette ai mammiferi di rilevare l’endotossina batterica, lipopolisaccaride (LPS). L’attivazione incontrollata del TLR4 è alla base di sepsi sistemica acuta e di molti disturbi infiammatori, come le malattie infiammatorie intestinali (IBD). La modulazione del TLR4 è pertanto di estremo interesse terapeutico. Questa tesi di dottorato si basa su tre articoli (capitolo 1-3) e ha lo scopo di st

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50

Zhu, Yizu. "A molecular thermodynamic approach to phase partitioning of biomolecues and protein folding." Thesis, Massachusetts Institute of Technology, 1991. http://hdl.handle.net/1721.1/13141.

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