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Dissertations / Theses on the topic 'Development of analytical methods'

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Published: 4 June 2021

Last updated: 25 May 2024

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1

Ho, Yee Man. "Development of sample pretreatment methods for complex analytical matrices." HKBU Institutional Repository, 2013. http://repository.hkbu.edu.hk/etd_ra/1510.

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2

Kunati, Sandeep Reddy. "DEVELOPMENT OF BIOANALYTICAL METHODS FOR QUANTITATIVE MEASUREMENT OF ANTICANCER AGENTS." Cleveland State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=csu1523439107242919.

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3

BRANZ, LORENZO. "STUDY AND DEVELOPMENT OF ANALYTICAL AND ANALYTICAL-NUMERICAL METHODS FOR THE STUDY OF ELECTRICAL MACHINES." Doctoral thesis, Università degli Studi di Trieste, 2016. http://hdl.handle.net/11368/2908058.

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L’attività di ricerca si è focalizzata sulla determinazione di metodi analitici e analitico-numerici per la soluzione di alcuni problemi “aperti” di interesse nella progettazione e l'analisi di macchine elettriche. La tesi include una gamma piuttosto ampia di argomenti, ma è stata sviluppata seguendo una singola linea di indagine unitaria, che consiste nel tentativo di cercare e, dove possibile, definire e implementare, metodi matematici sufficientemente veloci ma accurati per eseguire calcoli su macchine elettriche in modo da evitare l'uso massiccio di tecniche basate su analisi agli elementi

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4

Jeyapalan, Senthuran. "Development and application of chiral analytical methods for metabolic profiling." Thesis, Imperial College London, 2015. http://hdl.handle.net/10044/1/58275.

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Metabonomics utilises high resolution analytical platforms to generate spectroscopic profiles that are rich in latent biological information. At present, the two principal analytical platforms used routinely in metabonomic studies are nuclear magnetic resonance (NMR) spectroscopy and mass spectrometry (MS). While these analytical methods in their current state of development in the field of metabonomics give broad coverage across multiple chemical classes, none report sufficiently well, if at all, on the absolute configuration of chiral molecules. As a consequence of the stereospecificity pres

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5

Brown, Jared R. "Analytical Methods Development for High-Throughput Photochemisty With Led Arrays." Thesis, Virginia Tech, 2007. http://hdl.handle.net/10919/32709.

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This thesis describes the design, construction, and evaluation of a series of LED array photolysis systems for high throughput photochemistry. Three generations of array systems of increasing sophistication are evaluated using calorimetric measurements and potassium tris(oxalato)ferrate(III) chemical actinometry. The results are analyzed using descriptive statistics and analysis of variance (ANOVA). The LEDs in the third generation array were shown to be statistically equivalent, with respect to light output, according to physical and chemical actinometry experiments. The third generation

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6

Pingeon, Marine. "Development and validation of analytical methods for therapeutic drug monitoring." Doctoral thesis, Universita degli studi di Salerno, 2019. http://elea.unisa.it:8080/xmlui/handle/10556/4509.

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2017 - 2018<br>The U.S. Food and Drug Administration defines as Precision or Personalized Medicine (PM) an innovative therapeutic approach that tailors therapy and prevention on patients based on inter-individual variabilities in molecular or environmental features and in lifestyles. The major goals of PM are to maximize treatment efficacy and to reduce cost, toxicities and therapy failure rates by early identification of patients who might benefit or not of a specific treatment. In this scenario, therapeutic drug monitoring (TDM) is an important laboratory tool for PM because of the poss

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7

Lindholm, Johan. "Development and Validation of HPLC Methods for Analytical and Preparative Purposes." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis, Univ.-bibl. [distributör], 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4442.

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8

Emery, Sophie. "Development of analytical methods for the stability assessment of parenteral nutrition." Thesis, Cardiff University, 2018. http://orca.cf.ac.uk/112136/.

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Parenteral nutrition (PN) provides intravenous nutritional support to patients with reduced gastrointestinal function. A PN bag comprises the basic building blocks of the food groups: lipids, glucose, amino acids, vitamins, electrolytes and trace elements. Recently there has been an increase in demand for extended storage periods for PN bags, to ease management of an increasing home care market. Prior to a PN formulation being deemed safe for a patient, a laboratory simulation is carried out on the proposed admixture under the requested storage and administration conditions. Currently only the

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9

Cevenini, Luca <1981&gt. "Development of muliplexed analytical methods based on bioluminescent whole-cell biosensors." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2010. http://amsdottorato.unibo.it/2910/1/Cevenini_Luca_Tesi.pdf.

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The subject of this Ph.D. research thesis is the development and application of multiplexed analytical methods based on bioluminescent whole-cell biosensors. One of the main goals of analytical chemistry is multianalyte testing in which two or more analytes are measured simultaneously in a single assay. The advantages of multianalyte testing are work simplification, high throughput, and reduction in the overall cost per test. The availability of multiplexed portable analytical systems is of particular interest for on-field analysis of clinical, environmental or food samples as well as for th

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10

Cevenini, Luca <1981&gt. "Development of muliplexed analytical methods based on bioluminescent whole-cell biosensors." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2010. http://amsdottorato.unibo.it/2910/.

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The subject of this Ph.D. research thesis is the development and application of multiplexed analytical methods based on bioluminescent whole-cell biosensors. One of the main goals of analytical chemistry is multianalyte testing in which two or more analytes are measured simultaneously in a single assay. The advantages of multianalyte testing are work simplification, high throughput, and reduction in the overall cost per test. The availability of multiplexed portable analytical systems is of particular interest for on-field analysis of clinical, environmental or food samples as well as for th

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11

Schlipp, Katherine M. "Analytical method development a mathematical approach /." Electronic version (PDF), 2004. http://dl.uncw.edu/etd/2004/schlippk/katherinschlipp.pdf.

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12

Ari, Betul. "Development Of Sensitive Analytical Methods For Thallium Determination By Atomic Absorption Spectrometry." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/3/12610531/index.pdf.

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The use of slotted quartz tube (SQT) as an atom trap in atomic absorption spectrometry (AAS) provides a more stable chemical environment for atomization<br>the technique is simple and easily applicable in any laboratory. This thesis study involves application of SQT together with some other approaches to thallium determination by AAS. The first stages involve the efforts to improve nebulization efficiency of conventional flame atomic absorption spectrometry (FAAS) with and without the use of SQT. This is achieved by mixing 100 &micro<br>L of propanol with 500 &micro<br>L of Tl standard solutio

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13

Blessborn, Daniel. "Development of Analytical Methods for the Determination of Antimalarials in Biological Fluids." Doctoral thesis, Uppsala universitet, Analytisk kemi, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-108767.

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The aim of this thesis was to develop analytical methods for measuring antimalarial drugs in biological fluids. Solid phase extraction (SPE) was used for the enrichment and purification of the drugs. Automatic extraction procedures using a SPE robot were developed to reduce the workload for the analyst and to minimize variations in the extraction procedure. Liquid chromatography (LC) with either UV or mass spectrometric (MS) detection was used to determine sample concentrations. Determination of Pyronaridine in whole blood utilised a weak cation exchanger to extract Pyronaridine from blood. To

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14

Tutunji, Maha Sa'di. "Development of analytical methods for the differential diagnosis of exposure to lead." Thesis, Loughborough University, 1988. https://dspace.lboro.ac.uk/2134/10511.

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The modern comprehensive approach in problem solving was adopted in this study to resolve the analytical problems associated with the differential diagnosis of various degrees of exposure to lead. Thorough investigation of all the analytical steps was undertaken starting with the sampling procedure, through the proper choice of the analytical methods for the analysis of indicators of dose and indicators of effect, to the data reduction and evaluation. Reliable, selective and sensitive analytical techniques were developed for the direct analysis of lead, bismuth, antimony and the porphyrin carb

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15

Ganti, Satyakala. "DEVELOPMENT OF HPLC METHODS FOR PHARMACEUTICALLY RELEVANT MOLECULES; METHOD TRANSFER TO UPLC: COMPARING METHODS STATISTICALLY FOR EQUIVALENCE." Diss., Temple University Libraries, 2011. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/118587.

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Chemistry<br>Ph.D.<br>High Pressure Liquid Chromatography (HPLC) is a well-known and widely used analytical technique which is prevalent throughout the pharmaceutical industry as a research tool. Despite its prominence HPLC possesses some disadvantages, most notably slow analysis time and large consumption of organic solvents. Ultra Pressure Liquid Chromatography (UPLC) is a relatively new technique which offers the same separation capabilities of HPLC with the added benefits of reduced run time and lower solvent consumption. One of the key developments which facilitate the new UPLC technology

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16

Cáceres, Ana B. "The development of methods for the determination of selenium using spectrofluorimetric and ICP-MS techniques." Thesis, Sheffield Hallam University, 2002. http://shura.shu.ac.uk/19425/.

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Methods for both the on-line and off-line fluorimetric determination of total selenium and selenium species using 2-(alpha-pyridyl)-thioquinaldinamide (PTQA) as a fluorimetric reagent have been developed. As PTQA is not available on the market, methods for its synthesis were critically reviewed, and in the light of the information obtained, modifications were made to the synthesis and purification conditions in order to improve yield from 16 % to 38.9 %. The synthesised PTQA was used for the optimisation of a batch fluorimetric method based on the reaction between the reagent and Se (IV) in ac

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17

Wu, Yanqiu. "Development of methods to evaluate the utility of detergents for membrane protein study by solution NMR spectroscopy." Thesis, University of Ottawa (Canada), 2006. http://hdl.handle.net/10393/27307.

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Structure determination of membrane proteins by solution nuclear magnetic resonance spectroscopy requires that they can be incorporated into detergent micelles in order to ensure that they are maintained in a folded, water-soluble state. However, some detergents appear to disrupt structurally important interactions between transmembrane (TM) helices, while others produce micelle-protein complexes that may be too large for solution NMR. As a result there are a limited number of detergents suitable for solution NMR studies, making the search for better solution conditions one of the remaining ch

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18

Gómez, Cortés Verónica. "Sequential injection analysis using second-order calibration for the development of analytical methods." Doctoral thesis, Universitat Rovira i Virgili, 2007. http://hdl.handle.net/10803/9019.

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Uno de los ámbitos de mayor interés en el campo de la química analítica es el análisis medioambiental, ya que hay que asegurar y mantener la calidad, ya sea del aire o del agua para que su composición no comporte ningún peligro para la salud de los seres vivos. Los diferentes procesos industriales han contribuido a mejorar la calidad de vida, pero pueden producir subproductos que si son introducidos directa o indirectamente en el agua causan serios problemas de contaminación. De este modo, es necesario el tratamiento de una gran cantidad de desechos industriales, los cuales requieren una conti

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19

Pino, Rius Antoni del. "Development and application of analytical methods to characterise processed fruit and vegetable products." Doctoral thesis, Universitat de Lleida, 2017. http://hdl.handle.net/10803/459296.

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Aquesta tesis es centra en el desenvolupament i aplicació de metodologies analítiques per caracteritzar els metabòlits en productes de fruita i verdura processats provinents de l'agroindústria. En aquesta tesi s'han desenvolupat mètodes de UPLC-PDA-MS / MS per determinar els carotenoides i clorofil•les i els seus derivats en productes de fruites i verdures. El mètode d'anàlisi de carotenoides es va aplicar per estudiar els canvis en el perfil de carotenoides en sucs de fruita monovarietals i el desenvolupat per analitzar les clorofil•les i derivats es va aplicar per avaluar la transformació d

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20

Momplaisir, Georges-Marie. "Development of analytical methods for the speciation of arsenic in the marine environment." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=40201.

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Several biologically important arsenic compounds including methylarsonate, trimethylarsine oxide, tetramethylarsonium ion, arsenobetaine and arsenocholine were prepared, in good yields, from sodium arsenite, or dimethylarsinic acid. These organoarsenic compounds together with arsenite, arsenate and dimethylarsinic acid were used as standards for the development of analytical methods for determining the levels of individual arsenic compounds (arsenic speciation) present in natural matrices.<br>Arsenobetaine, arsenocholine and tetramethylarsonium ion were separated by high performance liquid chr

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21

Tadsanaprasittipol, Amornphat. "Development of analytical methods for particulate-bound polycyclic aromatic hydrocarbons (PAHs) in Thailand." Thesis, University of Strathclyde, 2016. http://digitool.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=27549.

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This study developed analytical methods to quantify particulate-bound polycyclic aromatic hydrocarbons (pPAHs). The methods were used to characterise PAHs in house dust and particulate matter (PM10) samples, respectively, in two case studies. Dust samples were collected from rural households in Malawi to represent indoor particles from biomass fuel combustion. PM10 samples were collected from three sites in the Bangkok Metropolitan Administration (BMA), Thailand to represent air pollutants in roadside, industrial and urban background environments. PAHs were quantified using a gas chromatograph

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22

Tinker, John Andrew. "Development of an Ultra-Lightweight Buckling-Restrained Brace Using Analytical and Numerical Methods." PDXScholar, 2011. https://pdxscholar.library.pdx.edu/open_access_etds/447.

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An ultra-lightweight buckling-restrained brace (ULWBRB) is developed using a highly ductile aluminum core and FRP restrainer. Utilization of lightweight materials results in a BRB that is 25% the weight of traditional mortar-filled tube varieties allowing easy installation in small to medium sized buildings requiring seismic retrofit without the need for heavy equipment. Construction utilizes commonly stocked materials able to be customized for required strength, drift, and geometry limitations. Analytical single degree of freedom (SDOF) and Euler buckling models are compared with published eq

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23

Repossi, Adele <1987&gt. "Mycotoxin determination in non conventional matrices: development of mass spectrometry based analytical methods." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amsdottorato.unibo.it/8667/1/PhD%20Thesis%20Adele%20Repossi.pdf.

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Mycotoxins are low-molecular-weight natural products produced, as secondary metabolites, by filamentous fungi. These molecules represent a wide chemical group with different toxicity effects in human and other animals. These toxins can accidentally occur in food and feed, due to a direct or indirect contamination. The aim of this work was to develop a method for the first time to quantitatively determine zearalenone and its metabolites (α-zearalenol, β-zearalenol, α-zearalanol, β-zearalanol, zearalanone) in bovine and human hair using LC-MS/MS. Once the method was set-up for bovine hair

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24

Euterpio, Maria Anna. "Development of selective materials and methods for analytical techniques combined with mass spectrometry." Doctoral thesis, Universita degli studi di Salerno, 2015. http://hdl.handle.net/10556/1986.

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2011 - 2012<br>Mass spectrometry (MS) is a powerful detection technique that has become very important in several chemical disciplines for detection of both small molecules (environmental pollutants, small metabolites) and large biomolecules (proteins, peptides). The "heart" of the mass spectrometer is the analyzer, that uses electrical or magnetic fields, or combination of both, from the region where they are produced, to a detector, where they produce a signal which is amplified. This element separates the gas phase ions according to their m/z (mass to charge ratio) value. MS is mostly used

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25

Trajkovic, Sanja. "METHODS DEVELOPMENT IN BIOLOGICAL MASS SPECTROMETRY: APPLICATION IN GLYCOPROTEOMICS." UKnowledge, 2014. http://uknowledge.uky.edu/chemistry_etds/36.

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Proteomics refers to global characterization of the full set of proteins present in a biological sample. Various analytical disciplines contribute to proteomics but mass spectrometry became method of choice for analysis of complex protein samples. Mass spectrometry allows for high throughput analysis of the proteome but, moreover, it has the ability to acquire higher-order information such as post-translational modifications (PTM). Glycosylation is the most abundant PTM on eukaryotic proteins. This dissertation will focus on method development for structural proteomics that will be utilized to

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26

Jepson, Donald Paul. "Development of new electro-chemical methods for determination of tinplate quality." Scholarly Commons, 1992. https://scholarlycommons.pacific.edu/uop_etds/2819.

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Five electrochemical test methods were evaluated for prediction of tinplate performance during this study. In addition, test packs were performed which provided some tinplate performance data. Three of the electrochemical methods gave inconclusive results in predicting tinplate performance. Two of these were anodic polarization in citric acid solutions involving different cell configurations. Another was anodic polarization of stress fractured samples in citric acid solution. One method, measuring the tin/steel alloy couple potential and current, gave results which appeared to predict tinplate

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27

Li, Kuo-Bin. "Development of computer-assisted methods for the resonance assignment of heteronuclear 3D NMR spectra of proteins." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=40381.

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An automated sequential assignment protocol for proteins is presented using heteronuclear 3D NMR. For the observed amino acid spin systems, the protocol includes an algorithm to determine their amino acid types. For the detected polypeptides, the protocol includes another algorithm to sequentially map them to the primary sequence. The former algorithm measures the similarity between the detected spin systems and the 20 standard amino acid patterns. Both chemical shift and topological likeness are considered. Knowing the amino acid types, the mapping algorithm assigns the detected polypeptides

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28

Lamabadusuriya, Manuja R. "Development of sample collection methods and preliminary identifications of aphid salivary proteins." Thesis, Manhattan, Kan. : Kansas State University, 2009. http://hdl.handle.net/2097/1446.

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29

Amirkhani, Ardeshir. "Development of Techniques and Methods for the Quantitative Analysis of Endogenous Substances by Microcolumn Liquid Chromatography Coupled to Mass Spectrometry." Doctoral thesis, Uppsala University, Analytical Chemistry, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-3990.

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<p>Liquid chromatography-mass spectrometry (LC-MS) is a powerful technique for the analysis of endogenous compounds. The introduction of electrospray ionization (ESI) as an interface between LC and MS has contributed strongly to a trend towards miniaturization of LC, due to the possibility to perform ESI at low flow rates. In this thesis, several aspects regarding the design of miniaturized LC systems and electrospray emitters were investigated. In addition miniaturized LC-ESI-MS have been used for the qualitative and quantitative analysis of endogenous polar compounds, peptides and protein di

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30

Ribeiro, Joana Patrícia Niz. "Development of Automatic Analytical Methods for the Determination of Antioxidant Capacity of Biologically Relevant Species." Doctoral thesis, Faculdade de Farmácia da Universidade do Porto, 2009. http://hdl.handle.net/10216/63803.

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31

Ribeiro, Joana Patrícia Niz. "Development of Automatic Analytical Methods for the Determination of Antioxidant Capacity of Biologically Relevant Species." Tese, Faculdade de Farmácia da Universidade do Porto, 2009. http://hdl.handle.net/10216/63803.

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32

Dave, Anuja. "Development and application of analytical methods to study phytohormones involved in Arabidopsis seed germination." Thesis, University of York, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.533536.

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33

BASAGLIA, Giulia. "Development of advanced analytical methods for the determination of emerging pollutants in environmental waters." Doctoral thesis, Università degli studi di Ferrara, 2011. http://hdl.handle.net/11392/2388815.

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This thesis work was focused on the analytical determination of emerging pollutants in environmental water matrix, concerning preparative step and analysis using Gas Chromatography coupled with Mass Spectrometry (GCMS). The emerging pollutants are so defined because they have been recognized only recently as pollutants and regulatory and monitoring plans are not yet implemented at Italian and European level. Pharmaceuticals and Personal Care Products (PPCPs) are considered emerging contaminants, they describe a large class of chemical contaminants that can originate from human usage an

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34

Wellock, Ruth Helen. "Applications and developments of chemometric methods for process analytical chemistry." Thesis, University of Hull, 2006. http://hydra.hull.ac.uk/resources/hull:5654.

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Traditional process monitoring methods of off-line analysis involve removing a sample from the process and taking it to a centralised analytical laboratory. It takes time for the analytical result to be achieved and the result is used retrospectively to determine the yield or quality of a batch, and not to control the process. This leads to batches being produced that do not meet specifications, so may require re-working, wasting time and money. The process should be monitored to allow control of the batch to ensure it meets specifications first time, and every time. The use of at-line or on-l

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35

Peters, Kelley L. "Development of Presumptive and Confirmatory Analytical Methods for the Simultaneous Detection of Multiple Improvised Explosives." FIU Digital Commons, 2014. http://digitalcommons.fiu.edu/etd/1659.

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In recent years, there has been a dramatic increase in the use of improvised explosive devices (IEDs) due to ease of synthesis and improved controls placed on commercial/military explosives. Commonly used materials for IED preparations include fertilizers and industrial chemicals containing oxidizers such as ClO3-, ClO4-, and NO3-, as well as other less stable compounds, such as peroxides. Due to these materials having a wide range of volatility, polarity, and composition, detection can be challenging, increasing the amount of time before any analytical information on the identity of the explo

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36

Claeson, Bohnstedt Kristina. "Determination of biomarkers for lipid peroxidation and oxidative stress : Development of analytical techniques and methods." Doctoral thesis, Stockholm : Department of Analytical Chemistry, Stockholm University, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-322.

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37

Huber, Jessica [Verfasser]. "Development of enhanced analytical methods for ultratrace determination of mercury in natural water / Jessica Huber." Ulm : Universität Ulm, 2017. http://d-nb.info/1138277746/34.

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Walker, Simon. "Development and application of analytical methods for measurement of CM7857 (pentisomide), a new antiarrhythmic drug." Thesis, King's College London (University of London), 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.297288.

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39

Peggie, David Alexander. "The development and application of analytical methods for the identification of dyes on historical textiles." Thesis, University of Edinburgh, 2006. http://hdl.handle.net/1842/15623.

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The analytical investigation of several historically important natural yellow and red dye sources is presented, extending previous work on the chemical characterisation of the acid hydrolysed extracts from dyed yarns. The PDA HPLC studies of weld (<i>Reseda luteola</i> L.) dyed yarn extracts found that neither the substrate nor additional steps in the dyeing process significantly altered the relative ratio of the main flavonoid components. Furthermore, their relative photo-degradation rates on the dyed yarns were similar, presenting few problems in the identification of the biological source.

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40

Macabuag, Joshua. "Tsunami damage prediction for buildings : development of methods for empirical and analytical fragility function derivation." Thesis, University College London (University of London), 2018. http://discovery.ucl.ac.uk/10047419/.

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Over the past two decades, tsunami have been the cause of 33% of total deaths and 35% of total economic losses due to natural disasters globally, and currently 6 out of 10 of the most populous megacities in the world are at risk of being severely affected by tsunami. Quantifying tsunami risk is therefore centrally important for land use and emergency planning in the DRR sector, for human and financial loss estimation in the insurance sector, and for performance-based design in the engineering sector. Tsunami fragility functions are statistical models that relate a measure of tsunami intensity

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41

Comandini, Patrizia <1983&gt. "Development of instrumental and sensory analytical methods of food obtained by traditional and emerging technologies." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amsdottorato.unibo.it/4439/1/Comandini_Patrizia_tesi.pdf.

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The consumer demand for natural, minimally processed, fresh like and functional food has lead to an increasing interest in emerging technologies. The aim of this PhD project was to study three innovative food processing technologies currently used in the food sector. Ultrasound-assisted freezing, vacuum impregnation and pulsed electric field have been investigated through laboratory scale systems and semi-industrial pilot plants. Furthermore, analytical and sensory techniques have been developed to evaluate the quality of food and vegetable matrix obtained by traditional and emerging processe

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Comandini, Patrizia <1983&gt. "Development of instrumental and sensory analytical methods of food obtained by traditional and emerging technologies." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amsdottorato.unibo.it/4439/.

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The consumer demand for natural, minimally processed, fresh like and functional food has lead to an increasing interest in emerging technologies. The aim of this PhD project was to study three innovative food processing technologies currently used in the food sector. Ultrasound-assisted freezing, vacuum impregnation and pulsed electric field have been investigated through laboratory scale systems and semi-industrial pilot plants. Furthermore, analytical and sensory techniques have been developed to evaluate the quality of food and vegetable matrix obtained by traditional and emerging processe

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43

Barbarossa, Andrea <1981&gt. "Perfluoroalkylated substances in food matrices: development of mass spectrometry based analytical methods and preliminary monitoring." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amsdottorato.unibo.it/4670/1/barbarossa_andrea_tesi.pdf.

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Perfluoroalkylated substances are a group of chemicals that have been largely employed during the last 60 years in several applications, widely spreading and accumulating in the environment due to their extreme resistance to degradation. As a consequence, they have been found also in various types of food as well as in drinking water, proving that they can easily reach humans through the diet. The available information concerning their adverse effects on health has recently increased the interest towards these contaminants and highlighted the importance of investigating all the potential sourc

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Barbarossa, Andrea <1981&gt. "Perfluoroalkylated substances in food matrices: development of mass spectrometry based analytical methods and preliminary monitoring." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amsdottorato.unibo.it/4670/.

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Perfluoroalkylated substances are a group of chemicals that have been largely employed during the last 60 years in several applications, widely spreading and accumulating in the environment due to their extreme resistance to degradation. As a consequence, they have been found also in various types of food as well as in drinking water, proving that they can easily reach humans through the diet. The available information concerning their adverse effects on health has recently increased the interest towards these contaminants and highlighted the importance of investigating all the potential sourc

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Marcheselli, Chiara <1981&gt. "Development of Original Analytical Methods for the Determination of Drugs of Abuse in Biological Samples." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amsdottorato.unibo.it/4710/1/marcheselli_chiara_tesi.pdf.

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Drug abuse is a major global problem which has a strong impact not only on the single individual but also on the entire society. Among the different strategies that can be used to address this issue an important role is played by identification of abusers and proper medical treatment. This kind of therapy should be carefully monitored in order to discourage improper use of the medication and to tailor the dose according to the specific needs of the patient. Hence, reliable analytical methods are needed to reveal drug intake and to support physicians in the pharmacological management of drug de

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46

Marcheselli, Chiara <1981&gt. "Development of Original Analytical Methods for the Determination of Drugs of Abuse in Biological Samples." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amsdottorato.unibo.it/4710/.

Full text

Abstract:

Drug abuse is a major global problem which has a strong impact not only on the single individual but also on the entire society. Among the different strategies that can be used to address this issue an important role is played by identification of abusers and proper medical treatment. This kind of therapy should be carefully monitored in order to discourage improper use of the medication and to tailor the dose according to the specific needs of the patient. Hence, reliable analytical methods are needed to reveal drug intake and to support physicians in the pharmacological management of drug de

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Niero, Giovanni. "Development of analytical methods for phenotypic characterization of antioxidant compounds and antioxidant activity of milk." Doctoral thesis, Università degli studi di Padova, 2017. http://hdl.handle.net/11577/3427152.

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Free radicals are unstable and reactive molecules, with one ore more unpaired electrons in the outer orbit and adverse effects on plant, animal, and human cells. In particular free radicals are responsible of lipids peroxidation, proteins oxidative damages, and DNA cleavage, resulting in increased risk of mutation. Antioxidants represent an important defence against these injuries. Vegetable derived foods are known as important sources of dietary antioxidants such as phenols, anthocyanin, tocopherols, tocotrienols, carotenoids, retinol precursors, and ascorbate. With this background, the aim

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Pierson, Johan. "Development of Methods for Protein and Peptide Analysis Applied in Neuroscience Utilizing Mass Spectrometry." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4685.

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Beaudry, Francis. "Development of analytical methods based on liquid chromatography and mass spectrometry techniques to support drug discovery and development programmes." Thesis, Anglia Ruskin University, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.436459.

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Mamunooru, Manasa. "DEVELOPMENT OF NOVEL METHODS FOR THE RAPID SEPARATION OF BIOMOLECULES." Diss., Temple University Libraries, 2013. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/214806.

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Chemistry<br>Ph.D.<br>Successful methods for the separation of biomolecules like amino acids, proteins, peptides, and DNA have been developed previously using HPLC, GC, GC-MS, and CE. Recently CE has become a routine laboratory technique in the analysis of biological molecules. Even though high-resolution separations with small sample volumes is the main advantage, CE is limited by lower sensitivity detection of analytes when universal detectors like UV absorption or refractive index detectors are used. Therefore, sensitivity enhancement can be obtained by either using different detection sche

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