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Tesi sul tema "Urine Analysis"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

Lough, Patricia Schechter. "Use of urine samples for ethanol analysis." CSUSB ScholarWorks, 1989. https://scholarworks.lib.csusb.edu/etd-project/446.

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2

Abdelrazig, Salah M. A. "Mass spectrometry for high-throughput metabolomics analysis of urine." Thesis, University of Nottingham, 2015. http://eprints.nottingham.ac.uk/30600/.

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Direct electrospray ionisation-mass spectrometry (direct ESI-MS), by omitting the chromatographic step, has great potential for application as a high-throughput approach for untargeted urine metabolomics analysis compared to liquid chromatography-mass spectrometry (LC-MS). The rapid development and technical innovations revealed in the field of ambient ionisation MS such as nanoelectrospray ionisation (nanoESI) chip-based infusion and liquid extraction surface analysis mass spectrometry (LESA-MS) suggest that they might be suitable for high-throughput metabolomics analysis. In this thesis, LC-

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3

Cooper, Mark Thomas. "A chromatographic method for detecting phenolic metabolites of carbosulfan in urine." Thesis, Queensland University of Technology, 1989. https://eprints.qut.edu.au/35977/1/35977_Cooper_1989.pdf.

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The inability of the conventional blood cholinesterase test to reliably detect carbamate pesticide poisoning in humans prompted the investigation of an alternative surveillance method. Rapid, micro-scale sample treatment procedures were developed to extract the phenolic metabolites of carbosulfan from urine, convert these compounds to their dinitrophenyl ether derivatives and determine their concentrations quantitatively by nitrogen selective gas-liquid chromatography. This method was capable of detecting micro-gram levels of metabolites and performed to an accuracy of<+/ 10% and pre

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4

Kirk, Jayne Marie. "Mass Spectrometric Analysis of Steroid Hormones for Application in Analysis of Bovine Urine." Thesis, University of York, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.485830.

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Analytical strategies for the identification and quantification of up to 14 androgenic steroids and up to 17 corticosteroids have been evaluated and applied to bovine urine. The two classes ofsteroid have been analysed both as the native species and as Girard P hydrazone derivatives. Triple quadrupole mass spectrometry, operated in multiple reaction monitoring mode, has permitted the development of methods that enable the simultaneous detection of a range ofandrogenic steroids and corticosteroids at the ng mL-1 level. For a non-targeted approach, screening for the presence of corticosteroids w

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5

Couchman, Lewis. "LC-MS/MS analysis of buprenorphine and norbuprenorphine in urine." Thesis, Queen Mary, University of London, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.511397.

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6

Hassan, Syed Saeed-Ul. "Rapid immunological methods for analysis of dexamethasone in equine urine." Thesis, University of Sunderland, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.245822.

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7

Chen, Hui-Chuen. "The urinary excretion of mercapturic acids in free-living adult males." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-12052009-020010/.

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8

Allen, Robert Douglas III. "Development of an assay for the detection of cytomegalovirus in urine." Thesis, Georgia Institute of Technology, 1993. http://hdl.handle.net/1853/25410.

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9

Hoang, Tiffany Truc. "Speciation and identification of low molecular weight organoselenium metabolites in human urine." Diss., Georgia Institute of Technology, 2003. http://hdl.handle.net/1853/30671.

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10

Stubbs, Christopher. "High performance liquid chromatographic analysis of erythromycin in serum and urine." Thesis, Rhodes University, 1985. http://hdl.handle.net/10962/d1004581.

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Erythromycin, a macrolide antibiotic used mainly against gram-positive bacteria has been in clinical use since 1952 (1). Previous pharmacokinetic data published on this antibiotic have been derived predominantly from microbiological assay techniques. However, these techniques are relatively imprecise as well as being non-specific and extremely tedious to perform. A novel high performance liquid chromatographic analysis of erythromycin in human serum and urine using U.V. detection at 200 nm and/or electrochemical detection using both an amperometric and a coulometric electrochemical detector is

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11

West, Robert E. 1952. "Confirmation of urinary benzodiazepines by gas chromatography/mass spectrometry." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/277228.

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A new method is described for the quantitative analysis of urinary benzodiazepines by gas chromatography/mass spectrometry. Development work was aimed at satisfying federal requirements for methods used in forensic urine drug testing which have become the standard in the laboratory industry. Trimethylsilyl (TMS), tert-butyl-dimethylsilyl (TBDMS) and benzophenone derivatives were tested in the development of the new assay. TBDMS derivatives were found to be the most suitable for the analysis of six common benzodiazepine metabolites. Precision for all metabolites tested, as measured by the withi

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12

Rocha, Diogo Librandi da. "Desenvolvimento de procedimento analítico em fluxo com multicomutação para a determinação espectofotométrica de ácido úrico em urina." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/46/46133/tde-05102009-105307/.

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A mecanização de procedimentos analíticos em análises clínicas traz vantagens tais como minimização de erros sistemáticos e do tempo das análises. Sistemas de análises em fluxo com multicomutação apresentam grandes potencialidades nesse sentido, atendendo às necessidades da mecanização de procedimentos analíticos de maneira versátil e robusta. Estes sistemas permitem minimizar o consumo de reagentes e a geração de resíduos, devido ao gerenciamento preciso de pequenos volumes de soluções por dispositivos controlados eletronicamente, tais como microbombas solenoide. O fluxo pulsado proporcionado

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13

Kelly, Barbara M. "The analysis of biological fluids for acylcarnitines." Thesis, Open University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326566.

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14

Hannon, Sarrah. "Analysis of cocaine adulterants and their metabolites in real patient urine samples." Thesis, Boston University, 2013. https://hdl.handle.net/2144/12114.

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Thesis (M.S.)--Boston University<br>Cocaine is one of the most common drugs of abuse in the United States today, but street-quality cocaine is decreasing in purity each year. This change in purity requires a shift in the focus of cocaine analysis in forensic laboratories. In recent years, many federal agencies have begun testing and profiling for the adulterants and diluents present in cocaine samples submitted as evidence. By analyzing the compounds present in the street-quality samples, forensic chemists may be able to track the cocaine back to its source, based on the unique identities of c

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15

Dumitrescu, Vlad Andrei. "Comparative analysis of biogas slurry and urine as sustainable nutrient sources for hydroponic vertical farming." Thesis, Linköpings universitet, Tema vatten i natur och samhälle, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-96368.

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Sustainable alternatives to using mined nutrients in agriculture must be found in order to limit environmental impacts such as eutrophication, habitat destruction and greenhouse gas emis-sions. Biogas slurry and urine recycled to hydroponic food production (a type of soilless agri-culture) have the potential of providing inorganic nitrogen and phosphorus, the main essential nutrients required for plant growth. A Life Cycle Inventory Assessment (LCI) methodology has been used to compare the systems of producing artificial fertilizer, biogas slurry and urine based nutrient solutions for the grow

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16

De, Kock Neil. "The development of direct infusion mass spectrometry method for analysis of small metabolites in urine." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/80213.

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Thesis (MSc)--Stellenbosch University, 2013.<br>ENGLISH ABSTRACT: This study focused on the development of an analytical method whereby creatinine, creatine and caffeine could be determined quantitatively. Urine is the preferred body fluid for the analysis of metabolites that the body excretes after administration of medicinal and illicit drugs. The detection of these metabolites depends on the volume of water the patient has drunk or, in criminal cases, the amount of water the suspect may deliberately add to their urine to dilute it. Creatinine, whose concentration in urine has been found to

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17

Wu, Ruige, and 吴瑞阁. "Microchip-capillary electrophoresis with two-dimensional separation and isotachophoresis preconcentration for determining low abundanceproteins in human urine and dairy products." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B46506044.

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18

Shreeram, Devesh Dadhich. "Electrochemical Analysis of Genetically Engineered Bacterial Strains in a Urine-Based Microbial Fuel Cell." University of Cincinnati / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1458814734.

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19

SANTORELLI, LUCIA. "Proteomic analysis of urine-based liquid biopsy to provide new insights into renal diseases." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2020. http://hdl.handle.net/10281/263397.

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L'area di indagine delle paotlogie renali è un campo ampio e complesso e molte delle cause che sono alla loro base non sono completamente comprensibili o curabili. A tal motivo, oltre ad una migliore comprensione della loro eziopatogenesi, è necessario individuare in maniera precisa i fattori di rischio, al fine di migliorare la prognosi e personalizzare il trattamento terapico. Lo sviluppo e l’implementazione di nuovi approcci, come l'analisi proteomica basata sulle urine, come biopsia liquida è attualmente una delle scelte più giuste da compiere. Infatti, l'uso dell'analisi proteomica per la

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20

Low, Ann Stewart. "An evaluation of analytical procedures for detection of drug abuse with particular reference to opiates." Thesis, Robert Gordon University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.242985.

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21

Kim, Yuni T. "The effects of broccoli on the excretion of urinary conjugates." Diss., Virginia Tech, 1992. http://hdl.handle.net/10919/38535.

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The effects of dietary broccoli on the body's ability to detoxify were studied in 18 male subjects between the ages of 22-40 years. The biological parameters used for measuring detoxification were the four major urinary conjugates, namely, mercapturates, sulfoconjugates, glucuronides, and amino acid conjugates. Dietary broccoli increased the urinary excretion of mercapturates and sulfoconjugates, but did not influence the excretion of glucuronides and amino acid conjugates. A significant linear trend was observed over the six-day broccoli diet treatment for both urinary mercapturate (P<0.005)

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22

Diaz, Sílvia de Oliveira. "Pregnancy and newborns disorders followed by urine metabolomics." Doctoral thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/13110.

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Doutoramento em Química<br>Chapter 1 introduces the scope of the work by identifying the clinically relevant prenatal disorders and presently available diagnostic methods. The methodology followed in this work is presented, along with a brief account of the principles of the analytical and statistical tools employed. A thorough description of the state of the art of metabolomics in prenatal research concludes the chapter, highlighting the merit of this novel strategy to identify robust disease biomarkers. The scarce use of maternal and newborn urine in previous reports enlightens the relevance

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23

Troster, Charles Micah Smolkin. "Trace analysis of cyclophosphamide and its metabolites in urine by liquid chromatography-tandem mass spectrometry." Thesis, University of British Columbia, 2010. http://hdl.handle.net/2429/29263.

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Cyclophosphamide (CP) is an antineoplastic drug used to treat a wide variety of cancers and immune disorders. CP is also a highly toxic alkylating agent, classified as an IARC Group 1 carcinogen. Workers in health-care environments are vulnerable to occupational exposure to CP, primarily via inhalation and dermal absorption. CP is a prodrug; both its therapeutic effectiveness and toxicity are activated through metabolism. To date, however, no study measuring occupational exposure to CP has successfully analyzed its metabolites. The main objective of this work was to develop an analytical metho

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24

Cromwell, Wyn Zhang. "An Analysis of the Loops of Henle and Urine Concentrating Mechanisms in the Kangaroo Rat." Thesis, The University of Arizona, 2011. http://hdl.handle.net/10150/144330.

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25

Fong, Ka-wah Martin, and 方家華. "Adaptation of a simplified method for urinary iodine for studying the iodine status of local Chinese." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B31971726.

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26

Härmä, Johan. "Validation of a method for analyzing urinary Cystatin C and analysis of ULSAM-77 urine samples." Thesis, Uppsala universitet, Institutionen för medicinsk biokemi och mikrobiologi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-177342.

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Objective New biomarkers for acute kidney injury are needed and urinary Cystatin C is one alternative. The objective was to validate a urinary Cystatin C method on Mindray BS-380 comparing urine samples from the Uppsala Longitudinal Study of Adult Men (ULSAM-77) and urine samples from a reference group for Cystatin C. A visual control for a relationship between Cystatin C and C-reactive protein (CRP) and interleukin 6 (IL-6) respectively was made. Methods Precision, linearity, recovery, interference, and stability of the urine cystatin C method were investigated. Comparisons were made between

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27

Bulusu, Sudha. "Analysis of organic acids by high performance liquid chromatography in urine and plasma and its applications." Thesis, University of Southampton, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.280405.

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28

Li, Xin. "Comparative evaluation of the extraction and analysis of urinary phospholipids and lysophospholipids using MALDI-TOF/MS." Doctoral thesis, Kyoto University, 2021. http://hdl.handle.net/2433/265182.

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京都大学<br>新制・課程博士<br>博士(医学)<br>甲第23410号<br>医博第4755号<br>新制||医||1052(附属図書館)<br>京都大学大学院医学研究科医学専攻<br>(主査)教授村川泰裕, 教授長尾美紀, 教授柳田素子<br>学位規則第4条第1項該当<br>Doctor of Medical Science<br>Kyoto University<br>DFAM

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29

Silva, Júnior Jarbas Miguel da. "Excreção urinária de derivados de purinas e de compostos nitrogenados de zebuínos em pastejo." Universidade Federal de Viçosa, 2014. http://locus.ufv.br/handle/123456789/5825.

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Made available in DSpace on 2015-03-26T13:55:26Z (GMT). No. of bitstreams: 1 texto completo.pdf: 876963 bytes, checksum: 2254ce6044753867875b6bfab3b2249e (MD5) Previous issue date: 2014-07-21<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>This study aimed evaluating the excretion of purine derivatives and nitrogen compounds in zebu cattle grazing, on different days and times within days. The experiment was conducted in the cattle department of the Federal University of Viçosa / MG, using five Nelore heifers with an average body weight of 300 ± 15 kg and 20 months of age, i

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30

Van, Buynder Paul G. "The epidemiology of renal disease in Aboriginal Australians." Thesis, The University of Sydney, 1991. https://hdl.handle.net/2123/26311.

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Data from dialysis units in the Northern Territory and, from a rural community screening program in South Australia, suggested there was a high prevalence of renal disease in Aboriginal Australians. This thesis documents the high prevalence of urinary abnormalities in three Aboriginal communities in the Northern Territory and examines factors of aetiological relevance. After ethical approval from the local institutional ethics committee which has Aboriginal representation, a randomly chosen group of 327 adults and 180 children consented to participate in pilot studies in three communitie

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31

Yap, Bin Kiat. "Exercise-stress responses of urinary hormones." Thesis, The University of Sydney, 1994. https://hdl.handle.net/2123/26858.

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Knowledge on the effects of episodic or short-term exercise-stress on changes of corticosteroids, androgenic steroids and gonadotropins still remains fragmentary and inconclusive. In this study an alternative approach to investigate these changes, based on the concentration ratios of urinary total testosterone (T), luteinizing hormone (LH), free cortisol(F),cortisone (E) and their primary metabolites tetrahydrocortisol (THF) and tetrahydrocortisone (THE), was developed to profile shortterm exercise-stress responses in healthy, drug-free male athletes and sedentary subjects. The hormonal con

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32

Avery, Thomas W. "Further characterization of the direct injection nebulizer for flow injection analysis and liquid chromatography with inductively coupled plasma spectrometric detection." Virtual Press, 1988. http://liblink.bsu.edu/uhtbin/catkey/539620.

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A direct injection nebulizer (DIN) was constructed in our laboratory and was evaluated as an interface between a liquid chromatography column and an inductively coupled plasma-atomic emission spectrometer (ICP-AES). Optimum operating conditions, detection limits and reproducibility of the DIN closely matched literature data for a somewhat different commercial device. In addition, when using the DIN for sample introduction, the ICP detection exhibited uniform response towards phosphorous compounds of different volatilities.<br>Department of Chemistry

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33

Li, Jiufeng. "Determination and evaluation of endocrine disrupting chemicals in urine samples of pregnant women by liquid chromatography-tandem mass spectrometry." HKBU Institutional Repository, 2020. https://repository.hkbu.edu.hk/etd_oa/757.

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Endocrine disrupting chemicals (EDCs) are emerging contaminants that can interfere with the hormone system and may cause cancers, birth defects and reproductive system disorders. Prevalence of endocrine-related dysfunction and disease has increased steadily over the past decades. Although accumulating data suggest that these diseases have fetal origins, associations of EDC exposure during pregnancy and adverse health effects on both mothers and fetuses have not been thoroughly evaluated, particularly at multiple points in time. We firstly developed an analytical method for quantification of 28

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34

Wiens, Kristy. "Design of an optical uroflowmeter and assessing bladder pressure through video analysis of the male urine stream." Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/43722.

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Voiding dysfunction, such as benign prostatic hyperplasia and impaired detrusor contractility, affects more than half of men over the age of 50. Uroflowmetry provides quantitative information of flow dysfunction by measuring the flow rate and total volume of urine expelled by the body. The majority of existing clinical uroflowmeters determine flow rate using a scale to measure increasing mass of urine expelled with time; however, they are expensive and typically found only in specialists’ offices, making it difficult for patients to receive testing. An opportunity therefore exists to develo

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35

Buist, Neil R. M. "Fifty years in inborn errors of metabolism : from urine ferric chloride to mass spectrometry and gene analysis." Thesis, University of St Andrews, 2014. http://hdl.handle.net/10023/12724.

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Prefatory material introducing a collection of articles spanning fifty years of research into inborn errors of metabolism. Table of Contents: 1. Introduction -- 2. Background information about inborn errors of metabolism -- 3. Lessons from phenylketonuria [PKU] -- 4. My role in developing new medical foods -- 5. My role in solving an epidemic of benzyl alcohol poisoning in premature infants -- 6. My role in galactosaemia research -- 7. My start in the metabolic world - screening tests in urine -- 8. My experiences in disaster relief -- 9. My first appearance in the medical literature -- 10. A

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36

Lugogo, Rita de Nicolo. "Quantitative assessment of daily urinary conjugates in an adult male population." Diss., This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-06062008-171211/.

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Bordin, Keliani. "Avaliação de biomarcadores da exposição humana à fumonisina B1 nos alimentos em municípios dos estados de São Paulo e Santa Catarina, Brasil." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/74/74132/tde-23042015-140349/.

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A fumonisina B1 (FB1) e uma micotoxina produzida pelo metabolismo secundário de espécies de Fusarium, principalmente F. verticillioides e F. proliferatum, os quais contaminam diversos alimentos antes e apos o processamento, sobretudo o milho e derivados, gerando graves problemas para a Saúde Pública e a qualidade dos alimentos. O objetivo deste trabalho foi avaliar a exposição humana a FB1 presente nos alimentos através da estimativa de ingestão da toxina na dieta e da análise de diferentes biomarcadores presentes em amostras de sangue, urina e cabelo. Além disso, foram investigados os efeitos

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Wood, Jennifer. "A study of the development of the adrenal gland in very low birthweight babies by gas chromatographic analysis of urinary steroid profiles." Thesis, The University of Sydney, 1995. https://hdl.handle.net/2123/26836.

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The adrenal development in a group of very low birthweight (VLBW) neonates was studied over the first few months of life by using gas chromatographic and gas chromatographic-mass spectrometric urinary steroid profiling. The extraction method used was developed for use on neonatal urine which contains several unique and highly polar steroids. At birth two zones are present in the human adrenal cortex, an inner zone (the fetal adrenal zone), and an outer zone (the definitive adrenal cortex). Postnatally, over the first few months the fetal zone involutes, leaving the definitive zone which pr

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McBride, M. B. "The development and evaluation of an HPLC method of analysis for nicotine and its major metabolites in urine." Thesis, University of Bristol, 1988. http://hdl.handle.net/1983/9268fc8e-2d95-426e-b6a3-7cdfd849fc15.

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This dissertation details the development and evaluation of an HPLC method of analysis for nicotine and the metabolites cotinine, nicotine-1'-N-oxide and 3' hydroxycotinine in urine samples. The significance of nicotine, its absorption, metabolism and excretion in man and other animals have been described in Chapter 1. Chapter 2 deals with the development of the HPLC method of analysis using both isocratic and gradient elution with W detection. A selection of packing materials/mobile phases covering different retention mechanisms was investigated. A separation of nicotine, cotinine, nicotine-

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PADOAN, ANDREA. "Statistical methods for mass spectrometry data analysis and identification of prostaste cancer biomarkers." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2014. http://hdl.handle.net/10281/50248.

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BACKGROUND Prostate Cancer (PCa) is the most common cancer among males in Europe. Patients developing early PCa sometimes refer non-specific symptoms, namely lower urinary tract symptoms (LUTS), and they usually undergo medical investigations based on Prostate Specific Antigen (PSA) and Digital Rectal Examination (DRE). Suspicious results of one or both testings are prerequisite to Prostate Biopsy. However, due to PSA low sensitivity/specificity in predicting positive prostate biopsy, the identification of new PCa biomarkers is actually a real need. MALDI-TOF/MS protein profiling could be a

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Shadbolt, Sheila. "The use of ¹H-NMR analysis of urine to discriminate between calcium oxalate kidney stone patients and healthy controls." Master's thesis, University of Cape Town, 2001. http://hdl.handle.net/11427/6362.

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Bibliography: leaves 105-111.<br>NMR has been used to study the metabolites found in body fluids, like urine, in the past three decades. It has more recently been used to study a lare range of diseases and the toxicolgoical effect of drugs on animals, by looking at metabolite patterns in the urine. The major advanteges of using NMR are that it is fast, non-invasive, non-destructive and non-equilibrium pertubing technique, allowing the detection of a diverse range of compounds in a single experiment.

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Lange, Tim Verfasser], Karlhans [Akademischer Betreuer] [Endlich, Karlhans Gutachter] Endlich, and Sebastian [Gutachter] [Bachmann. "Identification and analysis of urine-derived exosomal miRNAs and BDNF / Tim Lange ; Gutachter: Karlhans Endlich, Sebastian Bachmann ; Betreuer: Karlhans Endlich." Greifswald : Universität Greifswald, 2020. http://nbn-resolving.de/urn:nbn:de:gbv:9-opus-35795.

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Lange, Tim Verfasser], Karlhans [Akademischer Betreuer] [Endlich, Karlhans [Gutachter] Endlich, and Sebastian [Gutachter] Bachmann. "Identification and analysis of urine-derived exosomal miRNAs and BDNF / Tim Lange ; Gutachter: Karlhans Endlich, Sebastian Bachmann ; Betreuer: Karlhans Endlich." Greifswald : Universität Greifswald, 2020. http://d-nb.info/1206688335/34.

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Lange, Tim [Verfasser], Karlhans [Akademischer Betreuer] Endlich, Karlhans [Gutachter] Endlich, and Sebastian [Gutachter] Bachmann. "Identification and analysis of urine-derived exosomal miRNAs and BDNF / Tim Lange ; Gutachter: Karlhans Endlich, Sebastian Bachmann ; Betreuer: Karlhans Endlich." Greifswald : Universität Greifswald, 2020. http://d-nb.info/1206688335/34.

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Tsai, Mon-Yo, and 蔡孟祐. "Analysis of Phenol In Water and In Urine." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/63672126858091467266.

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Ncube, Somandla. "Liquid phase microextraction of hallucinogenic compounds from human urine samples based on single hollow fibre followed by chromatographic determination." Thesis, 2016. http://hdl.handle.net/10539/21207.

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A dissertation submitted to the Faculty of Science, University of the Witwatersrand in fulfilment of the requirements for the degree of Master of Science. University of the Witwatersrand, Johannesburg, March 2016<br>A liquid phase microextraction based on single hollow fibre followed by liquid chromatographic determination was developed for the extraction and quantification of the hallucinogenic muscimol and its two precursors, tryptophan and tryptamine from urine samples. A multivariate design of experiment was used in which a half fractional factorial approach was applied to screen six

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Fu-Ren and 江福仁. "Mass Spectrometric Analysis of Benzodiazepins In Urine and Hair." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/40151268630350543257.

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碩士<br>中山醫學大學<br>醫學分子毒理學研究所<br>94<br>This study was developed urine and hair testing for nine benzodiazepins, include Diazepam、Nordiazepam、Oxazepam、Lora zepam、Nitrazepam、Temazepam、Flunitrazepam、Alprazolam、Triazolam. The hair testing was used GC-NCI/MS. The limit of detection for Flunitrazepam was about 3 pg/mg hair, Temazepam was 0.1 pg/mg hair, and others were 1 pg/mg hair. The concentration of real sample from the treatment center was about 70 pg/mg, but it was quit different for the BZD drugs patients which were about 10 pg/mg. The technologies of hair testing were transferred to GC-EI/MS u

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Lin, Shih-Shan, and 林詩珊. "Analysis of cathinones in urine by chromatography/mass spectrometry." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/35g9tu.

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碩士<br>中央警察大學<br>鑑識科學研究所<br>106<br>Numerous criminal problems are derived from drug abuse, such as social security and lose of social cost. Especially, the sale and recreational use of New psychoactive substances (NPS) increase rapidly in recent years. NPS are developed to mimic the effects of known illegal drugs of abuse in order to evade criminal penalties. Because its growth and development is too fast, control of NPS is not easy, making the resulting social harm is very serious. NPS have become one of important issues for drug control. It is a challenge for examination of all NPS. In this

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Liu, Hsu-Che, and 劉旭哲. "Patent Analysis of Urine Sensing Technologies for Kidney Disease." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/n9wnar.

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碩士<br>國立臺灣科技大學<br>專利研究所<br>107<br>The present study is to investigate the life cycle, industrial development, and the innovation breakthrough point in the field of urine sensing technology for kidney disease by analyzing present global patents. The method of present study is to analyze the patents systematically by using the technology of patent search, patent analysis and patent map, and hopefully to provide merited information to the existing companies or newcomers in the field of urine sensing technology for kidney disease. The results indicated that the development of urine sensing technol

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Chia-HungHsia and 夏嘉鴻. "Development of Home Health Checkup System for Urine Analysis." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/yj2xar.

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