Dissertations / Theses on the topic 'Chemiluminescent reactions'
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Smith, P. A. "Dynamics of chemiluminescent atomic reactions." Thesis, University of Nottingham, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.372672.
Full textRaybone, D. "Chemiluminescent and photochemical processes in the gas phase." Thesis, University of Manchester, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383197.
Full textHindson, Benjamin Joseph, and mikewood@deakin edu au. "The Chemistry, spectroscopy and analytical applications of certain chemiluminescent reactions." Deakin University. School of Biological and Chemical Sciences, 2001. http://tux.lib.deakin.edu.au./adt-VDU/public/adt-VDU20051017.114704.
Full textGerardi, Richard David, and mikewood@deakin edu au. "Investigations into the analytical applications and fundamental chemistry of the chemiluminescent reactions of Tris(22-bipyridyl)ruthenium(III) with certain Papaver Somniferum alkaloids and other related compounds." Deakin University. School of Biological and Chemical Sciences, 1999. http://tux.lib.deakin.edu.au./adt-VDU/public/adt-VDU20060630.100432.
Full textGreen, Karen M. "Investigation of the mechanisms of chemiluminescent fluorine reactions of Manganese & Chromium /." The Ohio State University, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486457871783155.
Full textMartínez, Muñoz Daniel. "Theoretical studies of the chemiluminescence reactions; luminol." Thesis, Uppsala universitet, Institutionen för kemi - BMC, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-255902.
Full textSilva, Sandra Maria da. "Estudo da etapa de quimiexcitação do sistema peroxioxalato." Universidade de São Paulo, 2004. http://www.teses.usp.br/teses/disponiveis/46/46135/tde-03102016-162828/.
Full textThe phenomenon of chemiluminescence (CL) is one of the most fascinating demonstrations of chemical energy conversion into excitation energy. The most prominent example of this c1ass of reaction is the peroxyoxalate system showing emission quantum yields of around 30 %, comparable only to the 100 % efficiency bioluminescence systems. The peroxyoxalate system consists in the base catalyzed reaction of activated oxalate esters with hydrogen peroxide in the presence of polycondensed aromatic hydrocarbons with low oxidation potentials (Eox) and high fluorescence quantum yields, denominated activatars (ACT). The mechanism of this reaction is quite complex with various subsequent and parallel reaction steps prior to light emission. The crucial mechanistic step is the chemiexcitation step, where a highenergy intermediate (HEI), formed in former reaction steps, interacts with the ACT resulting in excited state formation and subsequent light emission. This interaction can be understood on the basis of the Chemically Initiated Electron Exchange (CIEEL) mechanism, which involves electron and back-electron transfer steps. A controversial point between various authors who study mechanistic aspects of the peroxyoxalate reaction is related to the nature of the high-energy intermediate (HEI) and different proposal for its structure (A - I) have been made. (See file). The main object of this work was to study the nature of the HEI and the chemiexcitation step in arder to obtain evidence with respect to the chemiexcitation mechanism in peroxyoxalate CL. For this purpose, the following approach was used: 1 - Synthesis and characterization of peracid intermediates of type
Sanders, Matthew Graham. "Analytical applications of the peroxyoxalate chemiluminescence reaction." Thesis, University of Plymouth, 1999. http://hdl.handle.net/10026.1/1832.
Full textBraynis, H. S. "Chemiluminescence and kinetic studies of gaseous fluorine atom reactions." Thesis, University of Manchester, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.377719.
Full textOtamonga, Jean Paul. "Stopped-flow kinetic investigation of manganese-based chemiluminescence oxidation reactions." Thesis, University of Huddersfield, 2013. http://eprints.hud.ac.uk/id/eprint/18054/.
Full textO'Neil, Alanna R. "Chemiluminescence and High Speed Imaging of Reacting Film Cooling Layers." University of Dayton / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1324042434.
Full textCheong, Byeong-Seo. "Chemiluminescence studies of reactions of group 2, 14, and 15 elements : reactivities and product state distributions /." The Ohio State University, 1993. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487841548271169.
Full textKampf, Rodger Paul. "Chemiluminescent reaction pathways and dynamics of group 15 elements, Manganese, and other metals with Ozone, Fluorine, and other Oxidants /." The Ohio State University, 1999. http://rave.ohiolink.edu/etdc/view?acc_num=osu1488191667179654.
Full textBozkurt, Metehan [Verfasser], Christof [Akademischer Betreuer] Schulz, and Matthias [Akademischer Betreuer] Olzmann. "Shock-tube investigation of key reactions for chemiluminescence in various combustion systems / Metehan Bozkurt. Gutachter: Matthias Olzmann. Betreuer: Christof Schulz." Duisburg, 2013. http://d-nb.info/104122432X/34.
Full textKanegae, Marília Pyles Patto [UNESP]. "Desenvolvimento de ensaio quimiluminescente baseado na determinação de fosfatase alcalina para diagnóstico diferencial entre leucemia mielóide crônica e reações leucemóides." Universidade Estadual Paulista (UNESP), 2006. http://hdl.handle.net/11449/93121.
Full textCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Em hematologia, a principal aplicação da determinação da atividade da fosfatase alcalina (FA) neutrofílica é no auxílio ao diagnóstico diferencial entre leucemia mielóide crônica (LMC) e reações leucemóides neutrofílicas (RL) decorrentes de doenças mieloproliferativas, como a mielofibrose, policitemia vera ou de inflamações/ infecções. Tradicionalmente esta determinação é realizada por um ensaio citoquímico subjetivo, no qual se atribui uma pontuação (SCORE) para o nível de FA. Neste trabalho apresentamos um método quimiluminescente, objetivo, quantitativo, sensível e barato para a determinação de FA neutrofílica baseado no reagente comercial Immulite®. Leucócitos íntegros obtidos de amostras de sangue periférico de trinta e dois indivíduos saudáveis, nove portadores de LMC e nove portadores de RL foram submetidos ao protocolo otimizado. Através da determinação da emissão de luz por quatro concentrações de neutrófilos, foi possível detectar a atividade de FA por célula (inclinação - SLOPE - da curva obtida por regressão linear). Uma alta correlação foi obtida quando o método quimiluminescente (SLOPE), aqui desenvolvido, foi comparado ao citoquímico (SCORE). Obtivemos uma variação do SLOPE entre 0,61-8,49 (10-5 mV.s/célula) para amostras do grupo controle (indivíduos saudáveis), sendo que o valor da mediana foi 2,04 (10-5 mV.s/célula). Estes resultados foram estatisticamente diferentes das amostras do grupo LMC (variação: 0,07 - 1,75; mediana: 0,79) e do grupo RL (variação: 3,84 - 47,24; mediana: 9,58) (p<0,05).
In haematology the main application of the leukocyte alkaline phosphatase (LAP) assay is in distinguishing chronic myeloid leukaemia (CML) from other myeloproliferative diseases, particularly from myelofibrosis, polycythaemia or other inflammatory/infectious diseases (LR). Traditionally, this is performed by subjective cytochemical assays where a SCORE is attributed to the level of LAP. Here we present a non-subjective, quantitative, sensitive and inexpensive chemiluminescent technique for LAP determination, based on the commercial reagent Immulite®. Intact leukocytes obtained from thirty-two healthy subjects, nine CML and nine LR patients were submitted to the optimized protocol. By measuring the light emission elicited by four concentrations of neutrophils, it was possible to estimate the activity of LAP per cell (the SLOPE of the curve obtained by linear regression). A high linear correlation was found between the chemiluminescent result (SLOPE) and the cytochemical SCORE. The SLOPE for healthy individuals ranged between 0.61 and 8.49 (10-5 mV.s/cell), with a median of 2.04 (10-5 mV.s/cell). These results were statistically different from CML patients (range 0.07 - 1.75, median 0.79) and LR patients (range 3.84 - 47.24, median 9.58) (p<0.05).
Kanegae, Marília Pyles Patto. "Desenvolvimento de ensaio quimiluminescente baseado na determinação de fosfatase alcalina para diagnóstico diferencial entre leucemia mielóide crônica e reações leucemóides /." Araraquara : [s.n.], 2006. http://hdl.handle.net/11449/93121.
Full textBanca: Amauri Antiquera Leite
Banca: Eduardo Magalhães Rego
Resumo: Em hematologia, a principal aplicação da determinação da atividade da fosfatase alcalina (FA) neutrofílica é no auxílio ao diagnóstico diferencial entre leucemia mielóide crônica (LMC) e reações leucemóides neutrofílicas (RL) decorrentes de doenças mieloproliferativas, como a mielofibrose, policitemia vera ou de inflamações/ infecções. Tradicionalmente esta determinação é realizada por um ensaio citoquímico subjetivo, no qual se atribui uma pontuação (SCORE) para o nível de FA. Neste trabalho apresentamos um método quimiluminescente, objetivo, quantitativo, sensível e barato para a determinação de FA neutrofílica baseado no reagente comercial Immulite®. Leucócitos íntegros obtidos de amostras de sangue periférico de trinta e dois indivíduos saudáveis, nove portadores de LMC e nove portadores de RL foram submetidos ao protocolo otimizado. Através da determinação da emissão de luz por quatro concentrações de neutrófilos, foi possível detectar a atividade de FA por célula (inclinação - SLOPE - da curva obtida por regressão linear). Uma alta correlação foi obtida quando o método quimiluminescente (SLOPE), aqui desenvolvido, foi comparado ao citoquímico (SCORE). Obtivemos uma variação do SLOPE entre 0,61-8,49 (10-5 mV.s/célula) para amostras do grupo controle (indivíduos saudáveis), sendo que o valor da mediana foi 2,04 (10-5 mV.s/célula). Estes resultados foram estatisticamente diferentes das amostras do grupo LMC (variação: 0,07 - 1,75; mediana: 0,79) e do grupo RL (variação: 3,84 - 47,24; mediana: 9,58) (p<0,05).
Abstract: In haematology the main application of the leukocyte alkaline phosphatase (LAP) assay is in distinguishing chronic myeloid leukaemia (CML) from other myeloproliferative diseases, particularly from myelofibrosis, polycythaemia or other inflammatory/infectious diseases (LR). Traditionally, this is performed by subjective cytochemical assays where a SCORE is attributed to the level of LAP. Here we present a non-subjective, quantitative, sensitive and inexpensive chemiluminescent technique for LAP determination, based on the commercial reagent Immulite®. Intact leukocytes obtained from thirty-two healthy subjects, nine CML and nine LR patients were submitted to the optimized protocol. By measuring the light emission elicited by four concentrations of neutrophils, it was possible to estimate the activity of LAP per cell (the SLOPE of the curve obtained by linear regression). A high linear correlation was found between the chemiluminescent result (SLOPE) and the cytochemical SCORE. The SLOPE for healthy individuals ranged between 0.61 and 8.49 (10-5 mV.s/cell), with a median of 2.04 (10-5 mV.s/cell). These results were statistically different from CML patients (range 0.07 - 1.75, median 0.79) and LR patients (range 3.84 - 47.24, median 9.58) (p<0.05).
Mestre
Godrant, Aurélie. "The role of superoxide in iron acquisition by marine phytoplankton." Brest, 2009. http://www.theses.fr/2009BRES2061.
Full textIt is hypothesised that, under iron limitation, phytoplankton cells develop biochemical mechanisms to increase their iron uptake efficiency with one of these mechanisms involving the production of superoxide in the extracellular environment that increases the bioavailability of iron in seawater by reducing Fe(III) to the more soluble Fe(II). The main objectives of this work were 1) to develop an appropriate method to detect extracellular production of superoxide by marine phytoplankton, and 2) to examine the relationship between extracellular production of superoxide and iron acquisition by Trichodesmium erythraeum. A method to measure superoxyde production is described using red-CLA and MCLA probes, yielding considerable improvement for analysis compared to other available methods. Extracellular superoxide production and iron uptake rates were measured simultaneously on iron replete and iron deplete Trichodesmium erythraeum IMS 101 laboratory cultures : iron starvation leads to a 2. 9-fold increase in superoxide production rate and 10-fold decrease in the iron uptake rate (except when a reducing compound was added) compared to iron replete cultures. Extracellular superoxide production shows a pronounced circadian rythm in iron deplete cultures, but less so in iron replete cultures. Overall, no direct impact of extracellular superoxide production by Trichodesmium is observed, but both processes are shown to be related. Both iron deplete and iron replete cultures demonstrate greater ability to uptake iron bound to weaker iron-binding ligands such as citrate. Application of the method to field studies in the Great Barrier Reef lagoon showed an accumulation of biologically significant concentrations of reduced trace metals including Fe(II) when the concentration of superoxide was lower than 1 nM. When the concentration of superoxide was higher than 1 nM, most of the reduced species were oxidised resulting in high rates of hudrogen peroxide production rates, consistent with laboratory studies. Overall, this thesis permitted the development of a method to detect superoxide production rates by marine phytoplankton cells that could be used routinely in field studies. The observations are in accord with the conclusion that fit the ongoing hypothesis that the extablished Fe' uptake model for phytoplankton would be strongly influenced by such organisms that are able to modify the redox equilibrium of the solution at their cells surface
Park, Yoon Sok 1977. "Smart microplates: integration of photodiode within micromachined silicon pyramidal cavity for detecting chemiluminescent reactions and methodology for passive RFID-type readout." Thesis, 2007. http://hdl.handle.net/2152/3624.
Full textMiller, Robert J. (Robert James) 1933. "Characterization and applications of polyphenol chemiluminescence reactions and flow cell instrumentation." Thesis, 1991. http://hdl.handle.net/1957/37277.
Full textChen, Ting-Ru, and 陳亭汝. "Monitoring Multi-Enzyme Reactions by Mass Spectrometry and Chemiluminescence Detection." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/45418966919630977493.
Full text國立交通大學
應用化學系碩博士班
104
Constructing robust biochemical circuits can help researchers to understand fundamental mechanisms of biocatalytic co-operativity, and to develop new applications of biocatalysis. Replicating chains of biochemical reactions in vitro or redesigning biochemical networks – using biomolecular building blocks – is a new avenue of exciting fundamental and applied research. Enzymes are omnipresent. They speed up numerous reactions in the living organisms. For example, they are involved in biosynthetic pathways, energy metabolism, and circadian clocks. In the present work, we have developed enzymatic amplification circuits, which could be used in synthetic biology and bioengineering. We have implemented mass spectrometry (MS) as well as a simple low-cost chemiluminescence detection system integrating a digital reflex camera and a microtiter plate to study these circuits. In the first part of the project, we developed a chemical energy buffer system using two different enzymes (pyruvate kinase and adenylate kinase). Biocatalytic reactions often require the supply of chemical energy and phosphate groups in the form of adenosine triphosphate (ATP). In fact, supplying chemical energy to cell-free biosynthetic systems is one of the biggest challenges of synthetic biology. Shortage of energy-rich substrates (such as ATP) leads to low reaction yields. Therefore, a continuous supply of energy-rich substrates to biosynthetic reactions, carried out in vitro, has to be secured. By employing the real-time MS approach, conditions of multi-enzyme reactions could be optimized ensuring high yields of the target biosynthetic processes. In the second part of the project, we developed a biochemical timer reaction. The timer is triggered by small amounts of ATP or adenosine diphosphate (ADP). The nucleotides are spontaneously amplified. When the concentration of ATP reaches a certain level, light is emitted. The time from the start of the reaction to the appearance of light is related to the initial concentration of adenosine nucleotides (e.g. ATP or ADP). Validity of the observed dependence of the luminescence raise time on the concentration of the trigger nucleotide has been verified with kinetic models. Using the simple and low-cost apparatus, precise measurements could be carried out at optimal conditions. Because this method relies on time measurement (not light intensity measurement), it does not require calibration of the optical detector. Due to the emission of light, the effect of the reaction can easily be observed by eye. The proposed timer reaction concept can be used in the bioengineered systems, in which time of response needs to be linked with the concentration of a biomolecule. Although our work has fundamental aspects, its outcomes can also have implications on the applied science (biosynthesis, biosensing). The amplification circuits can be used to stabilize levels of energy-rich nucleotides in biosynthetic protocols, or to determine their concentrations based on time-of-luminescence.
Choi, Jai-pil. "Electrogenerated chemiluminescence with amine and benzoyl peroxide coreactants: reactivity and reaction mechanism studies." Thesis, 2003. http://hdl.handle.net/2152/503.
Full textChoi, Jai-pil Bard Allen J. "Electrogenerated chemiluminescence with amine and benzoyl peroxide coreactants reactivity and reaction mechanism studies /." 2003. http://wwwlib.umi.com/cr/utexas/fullcit?p3117890.
Full textKopp, Madeleine Marissa 1987. "Rate Determination of the CO2* Chemiluminescence Reaction CO + O + M = CO2* + M." Thesis, 2012. http://hdl.handle.net/1969.1/148133.
Full textKathrotia, Trupti [Verfasser]. "Reaction kinetics modeling of OH*, CH*, and C2* chemiluminescence / vorgelegt von Trupti Kathrotia." 2011. http://d-nb.info/1012737691/34.
Full textTseng, Shih-Wen, and 曾湜雯. "Flow Injection Chemiluminescence determination of sucrose based on the luminol-ferricyanide/ferrocyanide reaction system." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/68348247197069213840.
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