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Дисертації з теми "Differential Pulse"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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1

Lum, Randall M. G. "Differential pulse code modulation data compression." Scholarly Commons, 1989. https://scholarlycommons.pacific.edu/uop_etds/2181.

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With the requirement to store and transmit information efficiently, an ever increasing number of uses of data compression techniques have been generated in diverse fields such as television, surveillance, remote sensing, medical processing, office automation, and robotics. Rapid increases in processing capabilities and the speed of complex integrated circuits make data compression techniques a prime candidate for application in the areas mentioned above. This report addresses, from a theoretical viewpoint, three major data compression techniques, Pixel Coding, Predictive Coding, and Transform

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2

Hynick, Amy Marie. "On pulse detection in initial value ordinary differential equations." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape9/PQDD_0021/MQ49375.pdf.

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3

Collaer, Marcia Lee. "IMAGE DATA COMPRESSION: DIFFERENTIAL PULSE CODE MODULATION OF TOMOGRAPHIC PROJECTIONS." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/291412.

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4

Ma, Kuang-Hua. "Image compression using a double differential pulse code modulation technique (DPCM/DPCM." Ohio : Ohio University, 1996. http://www.ohiolink.edu/etd/view.cgi?ohiou1178215120.

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5

Wong, K. H. J. "Adaptive differential pulse code modulation and sub-band coding of speech signals." Thesis, University of Southampton, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.380170.

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6

Yoshida, K. "Speech coding by adaptive differential pulse code modulation with adaptive bit allocation." Thesis, Imperial College London, 1985. http://hdl.handle.net/10044/1/37905.

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7

Cooperwood, Michael Vonshay. "Analysis and performance comparison of adaptive differential pulse code modulation data compression systems." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1996. http://handle.dtic.mil/100.2/ADA307823.

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8

Chau, Sam. "Investigation of silicon PIN-detector for laser pulse detection." Thesis, Linköping University, Department of Science and Technology, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-325.

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<p>This report has been written at SAAB Bofors Dynamics (SBD) AB in Gothenburg at the department of optronic systems.</p><p>In military observation operations, a target to hit is chosen by illumination of a laser designator. From the targetpoint laser radiation is reflected on a detector that helps identify the target. The detector is a semiconductor PIN-type that has been investigated in a laboratory environment together with a specially designed laser source. The detector is a photodiode and using purchased components, circuits for both the photodiode and the laserdiode has been designed and

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9

Sobchuk, Valentyn V., V. H. Samoilenko, Валентин Володимирович Собчук, and В. Г. Самойленко. "Existence of periodic solutions to differential equations with pulse action in a neighborhood of composite singular points." Thesis, European Mathematical Society, 2006. http://esnuir.eenu.edu.ua/handle/123456789/1153.

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10

Le, Roux Shirley Theodora Rose. "The application of differential pulse stripping voltammetry in the determination of trace metals in wet precipitation." Thesis, Peninsula Technikon, 1999. http://hdl.handle.net/20.500.11838/742.

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Thesis (MTech (Physical Sciences))--Peninsula Technikon, Cape Town, 1999.<br>Wet deposition of toxic trace metals is the dominant mode of deposition in terrestrial ecosystems and contributes very significantly to their pollution burden. Wet deposited metals are dissolved in rainwater. They reach the vegatation in a form most favourable for uptake. Reliable analysis of toxic trace metals in rainwater is important in order to determine the impact they make on the environment. In this study, trace metals in rainwater and in dry deposition (as a control measure), have been analysed over a p

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11

Mokhtari, B., and K. Pourabdollah. "Voltammetric Behavior of Nano-basket Complexes." Thesis, Sumy State University, 2012. http://essuir.sumdu.edu.ua/handle/123456789/35461.

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Eight nano-baskets of cone calix[4]arene-crown-3, -crown-4, -crown-5, -crown-6 were synthesized and their binding abilities towards alkali and alkaline earth metals as well as some lanthanides were studied using differential pulse voltammetry. The novelty of this study was investigation of those nano-basket complexes by voltammetric behaviors of two acidic moieties in each scaffold during complexation of crown ether ring. Their voltammetric behaviors were closely related to the complex formation by entrapment of cation into crown ether cavity and ion-dipole interaction between cation and

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12

Ghaffari, Nastaran. "Electrochemical deposition of Graphene Oxide- metal nano-composite on Pencil-Graphite Electrode for the high sensitivity detection of Bisphenol A by Adsorptive Stripping Differential Pulse Voltammetry." University of the Western Cape, 2018. http://hdl.handle.net/11394/6336.

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Magister Scientiae - MSc (Chemistry)<br>Electrochemical platforms were developed based on pencil graphite electrodes (PGEs) modified electrochemically with reduced graphene oxide metal nanoparticles (ERGO–metalNPs) composite and used for the high-sensitivity determination of Bisphenol A (BPA) in water samples. Synergistic effects of both reduced Graphene Oxide sheets and metal nanoparticles on the performance of the pencil graphite electrode (PGE) were demonstrated in the oxidation of BPA by differential pulse voltammetry (DPV). A solution of graphene oxide (GO) 1 mg mL-1 and 15 ppm of m

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13

Schaumlöffel, Lívia de Souza. "Uso de voltametria de pulso diferencial combinada com quimiometria para determinação simultânea de antioxidantes em amostras de biodiesel." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/173761.

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O biodiesel vem se consolidando como combustível alternativo devido às suas vantagens e importância econômica. Conforme seu percentual no diesel comercial cresce, o monitoramento da qualidade se torna cada vez mais importante para uma comercialização segura. No entanto, a estabilidade oxidativa do biodiesel é inferior à do diesel fóssil, assim antioxidantes sintéticos, tais como BHA, BHT, PG e TBHQ, são adicionados para prevenir a degradação do mesmo, evitando danos ao sistema de combustão automotivo. Os métodos para avaliar a estabilidade oxidativa e a quantidade de antioxidantes são em geral

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14

Ferreira, Taimara Polidoro. "Análise de cádmio e chumbo em bijuterias por espectrometria de absorção atômica por chama (F AAS) e voltametria de pulso diferencial (VPD)." Universidade Federal de Juiz de Fora, 2016. https://repositorio.ufjf.br/jspui/handle/ufjf/1807.

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Submitted by Renata Lopes (renatasil82@gmail.com) on 2016-06-14T11:29:23Z No. of bitstreams: 1 taimarapolidoroferreira.pdf: 1182886 bytes, checksum: a5d4b3b0f39cb3072c8ac7463931f8e7 (MD5)<br>Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2016-07-13T14:03:33Z (GMT) No. of bitstreams: 1 taimarapolidoroferreira.pdf: 1182886 bytes, checksum: a5d4b3b0f39cb3072c8ac7463931f8e7 (MD5)<br>Made available in DSpace on 2016-07-13T14:03:33Z (GMT). No. of bitstreams: 1 taimarapolidoroferreira.pdf: 1182886 bytes, checksum: a5d4b3b0f39cb3072c8ac7463931f8e7 (MD5) Pr

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15

Jahed, Mohammed Nazeem. "The application of differential pulse anodic stripping voltammetry for the determination of copper, lead, zinc and cadmium in airborne particulate matter." Thesis, [S.l. : s.n.], 1995. http://dk.cput.ac.za/cgi/viewcontent.cgi?article=1007&context=td_ptech.

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16

Inclan, Eric. "The Development of a Hybrid Optimization Algorithm for the Evaluation and Optimization of the Asynchronous Pulse Unit." FIU Digital Commons, 2014. http://digitalcommons.fiu.edu/etd/1582.

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The effectiveness of an optimization algorithm can be reduced to its ability to navigate an objective function’s topology. Hybrid optimization algorithms combine various optimization algorithms using a single meta-heuristic so that the hybrid algorithm is more robust, computationally efficient, and/or accurate than the individual algorithms it is made of. This thesis proposes a novel meta-heuristic that uses search vectors to select the constituent algorithm that is appropriate for a given objective function. The hybrid is shown to perform competitively against several existing hybrid and non-

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17

Nehrir, Amin Reza. "Development of an eye-safe diode-laser-based micro-pulse differential absorption lidar (mp-DIAL) for atmospheric water-vapor and aerosol studies." Diss., Montana State University, 2011. http://etd.lib.montana.edu/etd/2011/nehrir/NehrirA0811.pdf.

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This dissertation describes the design, construction, and testing of an all diode-laser-based water-vapor differential absorption lidar (DIAL) instrument through two distinct stages of development. A second generation low pulse energy, high pulse repetition frequency DIAL instrument was developed to overcome the power limitations of the first generation instrument which required unrealistic integration times approaching 1 hour. The second generation DIAL transmitter used a custom built external cavity diode laser (ECDL) as the seed source for an actively current pulsed tapered semiconductor op

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18

Leve, Zandile Dennis. "Determination of paracetamol at the electrochemically reduced graphene oxide-metal nanocomposite modified pencil graphite (ERGO-MC-PGE) electrode using adsorptive stripping differential pulse voltammetry." University of Western Cape, 2020. http://hdl.handle.net/11394/7350.

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>Magister Scientiae - MSc<br>This project focuses on the development of simple, highly sensitive, accurate, and low cost electrochemical sensors based on the modification of pencil graphite electrodes by the electrochemical reduction of graphene oxide-metal salts as nanocomposites (ERGO-MC-PGE; MC = Sb or Au nanocomposite). The electrochemical sensors ERGO-Sb-PGE and ERGO-Au-PGE were used in the determination of paracetamol (PC) in pharmaceutical formulations using adsorptive stripping differential pulse voltammetry. The GO was prepared from graphite via a modified Hummers’ method and characte

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19

Mendes, Cristiane Arcângela de Souza. "DETERMINAÇÃO DO PARAQUAT SOBRE ELETRODOS DE CARBONO VÍTREO MODIFICADO COM FTALOCIANINA TETRASSULFONADA DE NIQUEL EM FILME DE POLI-L-LISINA." Universidade Federal do Maranhão, 2007. http://tedebc.ufma.br:8080/jspui/handle/tede/886.

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Made available in DSpace on 2016-08-19T12:56:29Z (GMT). No. of bitstreams: 1 CRISTIANE SOUSA MENDES pdf.pdf: 694969 bytes, checksum: e48bc786539dbcfeb903781ae8fef3ca (MD5) Previous issue date: 2007-02-26<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>This work present an evaluation of a modified glassy carbon electrode with NiTSPc immobilized with film PLL of the determination of paraquat by differential pulse voltammetry. The film was formed applying 20μL of a solution prepared for the mixture of equal volume of NiTSPc 0,8mM and poly-L-lisine (PLL) 0,12mM. The maximum s

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20

Oliveira, Severina Denise Sales de. "Aplica??o das t?cnicas eletroanal?ticas (voltametria c?clica e de pulso diferencial) usando o eletrodo de diamante dopado com boro para o estudo da isoniazida, etambutol, rifampicina e pirazinamida." Universidade Federal do Rio Grande do Norte, 2013. http://repositorio.ufrn.br:8080/jspui/handle/123456789/17761.

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Made available in DSpace on 2014-12-17T15:42:17Z (GMT). No. of bitstreams: 1 SeverinaDSO_DISSERT.pdf: 2512071 bytes, checksum: 12a15e7529d5b018959d5e9c644f10cf (MD5) Previous issue date: 2013-07-31<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>In this work a study was done using electrochemical cyclic voltammetry and differential pulse voltammetry for isoniazida (INH), ethambutol (EMB), rifampicina (RIF) and pyrazinamide (PZA) using the electrode boron-doped diamond (BDD) as working electrode. It also verified the applicability of the technique of differential pulse volta

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21

Passos, Madla Adami. "Medida da capacidade antioxidante de fluidos biologicos por voltametria de pulso diferencial associada ao uso de surfactante como resposta as adaptações geradas pelo exercicio." [s.n.], 2009. http://repositorio.unicamp.br/jspui/handle/REPOSIP/274787.

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Orientador: Denise Vaz de Macedo<br>Dissertação (mestrado) - Universidade Estadual de Campnas, Facudade de Educação Fisica<br>Made available in DSpace on 2018-08-13T10:09:31Z (GMT). No. of bitstreams: 1 Passos_MadlaAdami_M.pdf: 718837 bytes, checksum: 40f6adec3bac1b7e10671aa4e4f30473 (MD5) Previous issue date: 2009<br>Resumo: Aumento na formação de espécies reativas de oxigênio como conseqüência do aumento na demanda energética pode aumentar o estado de oxidação celular, contribuindo para um estado redox celular ótimo e o desenvolvimento máximo de força. O poder redutor de amostras biológic

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22

Cetin, Nebi Onur. "Design And Implementation Of Advanced Pulse Width Modulation Techniques And Passive Filters For Voltage Source Inverter Driven Three-phase Ac Motors." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612236/index.pdf.

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Advanced pulse width modulation (PWM) techniques such as space vector PWM, active zero state PWM, discontinuous PWM, and near state PWM methods are used in three-phase AC motor drives for the purpose of obtaining low PWM current ripple, wide voltage linearity range, and reduced common mode voltage (CMV). In some applications, a filter is inserted between the inverter and the motor for the purpose of reducing the stresses in the motor. The motor current PWM ripple components, terminal voltage overshoots, shaft voltage, and bearing currents, etc. can all be reduced by means of PWM techniques and

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23

Tsang, Chi-kin. "Analysis and control of organic vapours in air and determination of metals and toxic elements in fish samples by differential pulse voltammetry and atomic absorption spectrophotometry /." [Hong Kong : University of Hong Kong], 1991. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13408914.

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24

Casagrande, Marcella. "Técnicas voltamétricas e cromatográficas na análise direta de antioxidantes em biodiesel diluído em metanol e etanol ou como microemulsão livre de surfactante." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/174269.

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As especificações do biodiesel são garantidas por um rigoroso controle de qualidade; entre outros parâmetros, a quantificação de antioxidantes é fundamental para assegurar um produto satisfatório para comercialização. No presente estudo, foram desenvolvidas técnicas voltamétricas e cromatográficas para análise direta de BHA, TBHQ, BHT e PG em biodiesel. Medidas por voltametria de pulso diferencial (DPV) em mistura biodiesel:etanol 1:1 (v/v), contendo perclorato de tetra-hexilamônio como eletrólito suporte e empregando ultramicroeletrodo (ume) de Pt, mostraram picos da corrente diferencial de o

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25

Rezende, Stefani Garcia. "Métodos eletroanalíticos e ensaios de atividade antioxidante no controle de qualidade de mel." Universidade Federal de Goiás, 2015. http://repositorio.bc.ufg.br/tede/handle/tede/4996.

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Submitted by Luciana Ferreira (lucgeral@gmail.com) on 2015-12-04T08:42:21Z No. of bitstreams: 2 Dissertação - Stefani Garcia Rezende - 2015.pdf: 1241735 bytes, checksum: dafaf794ccbc058198ef0f2dd475ae74 (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5)<br>Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2015-12-04T08:43:59Z (GMT) No. of bitstreams: 2 Dissertação - Stefani Garcia Rezende - 2015.pdf: 1241735 bytes, checksum: dafaf794ccbc058198ef0f2dd475ae74 (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5)<b

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26

Araujo, Eliane Gon?alves de. "Aplicabilidade da voltametria de pulso diferencial na quantifica??o de ?cido f?lico e ?cido ox?lico: um m?todo comparativo." Universidade Federal do Rio Grande do Norte, 2013. http://repositorio.ufrn.br:8080/jspui/handle/123456789/17796.

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Made available in DSpace on 2014-12-17T15:42:30Z (GMT). No. of bitstreams: 1 ElianeGA_TESE.pdf: 3715497 bytes, checksum: 52c61110127824acc91be76b2127151f (MD5) Previous issue date: 2013-12-04<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>The development of more selective and sensitive analytical methods is of great importance in different areas of knowledge, covering, for example, food, biotechnological, environmental and pharmaceutical sectors. The study aimed to employ the technique electroanalytical differential pulse voltammetry (DPV) as an innovative and promising al

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27

Udomsap, Dutduan. "Développement de polymères à empreintes moléculaires électrochimiques pour la surveillance en micropolluants organiques des eaux dans les ouvrages du Canal de Provence." Thesis, Toulon, 2014. http://www.theses.fr/2014TOUL0009/document.

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La technique de l’impression moléculaire permettant d'obtenir des polymères hautement sélectifs est utiliséedans de nombreuses applications. Dans le cadre de cette thèse, cette technique est employée pour préparer despolymères spécifiques du benzo(a)pyrène (BaP) en vue d’une application capteur. L’introduction d’une sonderédox au sein même du réseau de polymère offre la possibilité d’une détection directe de la cible, par unetechnique électrochimique. Dans le domaine des MIPs, ce travail est le premier à décrire l’utilisation d’unmonomère participant à la formation du réseau tridimensionnel to

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28

Benjamin, Stephen Rathinaraj. "Desenvolvimento de métodos eletroanalíticos para avaliação da capacidade antioxidante." Universidade Federal de Goiás, 2016. http://repositorio.bc.ufg.br/tede/handle/tede/5573.

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Submitted by Cássia Santos (cassia.bcufg@gmail.com) on 2016-05-19T12:27:41Z No. of bitstreams: 2 Dissertação - Stephen Rathinaraj Benjamin - 2016.pdf: 9705883 bytes, checksum: 750508198f2865e073cf36b649344178 (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5)<br>Rejected by Luciana Ferreira (lucgeral@gmail.com), reason: on 2016-05-19T12:31:22Z (GMT)<br>Submitted by Cássia Santos (cassia.bcufg@gmail.com) on 2016-05-19T12:48:30Z No. of bitstreams: 2 license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5) Dissertação - Stephen Rathinaraj Ben

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29

Mini, Sixolile. "Silica Coated Core-Shell Quantum Dot-based Electro-Immunosensor for Interferon Gamma TB Disease Biomarker." University of the Western Cape, 2020. http://hdl.handle.net/11394/7597.

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>Magister Scientiae - MSc<br>Tuberculosis (TB) is a disease that results from infection by Mycobacterium tuberculosis, which is regarded the most common infecting organism. TB has killed countless numbers of people particularly in underdeveloped countries. TB bacteria can remain inactive or in dormant state for years without causing symptoms or spreading to other subjects, but as soon as the immune system of the host becomes weakened, the bacteria become active and infect mainly the lungs along with other parts of body. TB cases are further aggravated by other illnesses that affect the immune

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30

Laníková, Petra. "Studium vlivu lipozomálních platinových cytostatik na nádorové buňky pomocí voltametrických metod." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-316850.

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Aim of this thesis is voltammetric study influence of liposomal platinum cytostatics on cancer cells. One of the goals is summarize available informations about influence of cisplatine on cancer cells, its encapsulation into liposome and affection of this cytostatic cisplatin encapsulated in liposome on cancer cell lines. In literary recherche is detail description of these issues. Than is there specification of voltammetric methods, which serve to electrochemical detection of cisplatin. Based on literary recherche was chosen the best method for detection and subsequently the method was optima

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31

Gomes, Eliziana Santana. "Determina??o voltam?trica de estriol em formula??o farmac?utica e urina utilizando um eletrodo de carbono v?treo modificado com um filme de poli(metionina) e cobalto." UFVJM, 2017. http://acervo.ufvjm.edu.br/jspui/handle/1/1735.

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Submitted by Jos? Henrique Henrique (jose.neves@ufvjm.edu.br) on 2018-06-26T00:47:56Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) eliziana_santana_gomes.pdf: 3970415 bytes, checksum: 2481c11516ababe53f6e97ce77e43efc (MD5)<br>Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2018-07-18T12:49:10Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) eliziana_santana_gomes.pdf: 3970415 bytes, checksum: 2481c11516ababe53f6e97ce77e43efc (MD5)<br>Made available in DSp

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32

Sampson, Zaiyaan Begum. "Tungsten Telluride Quantum dot-based Biosensor for Alpha-Methylacyl CoA Racemase – An Emerging Prostate Cancer Biomarker." University of the Western Cape, 2019. http://hdl.handle.net/11394/7709.

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>Magister Scientiae - MSc<br>Prostate cancer, commonly referred to as adenocarcinoma of the prostate, is the leading cause of cancer death in men in 46 countries, and it was estimated that by the end of 2018 there would approximately be 1.3 million new cases of prostate cancer worldwide. Currently, the Food and Drug Administration (FDA) approved biomarker for prostate cancer disease diagnostics Prostate Specific Antigen (PSA) is not specific to the disease itself but extends to other cases such as Benign Prostate Hyperplasia (BPH) a condition in which the prostate grows uncontrollably. This bi

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Udomsap, Dutduan. "Développement de polymères à empreintes moléculaires électrochimiques pour la surveillance en micropolluants organiques des eaux dans les ouvrages du Canal de Provence." Electronic Thesis or Diss., Toulon, 2014. http://www.theses.fr/2014TOUL0009.

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La technique de l’impression moléculaire permettant d'obtenir des polymères hautement sélectifs est utiliséedans de nombreuses applications. Dans le cadre de cette thèse, cette technique est employée pour préparer despolymères spécifiques du benzo(a)pyrène (BaP) en vue d’une application capteur. L’introduction d’une sonderédox au sein même du réseau de polymère offre la possibilité d’une détection directe de la cible, par unetechnique électrochimique. Dans le domaine des MIPs, ce travail est le premier à décrire l’utilisation d’unmonomère participant à la formation du réseau tridimensionnel to

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Pereira, Abigail Vasconcelos. "Aplicação de eletrodos compósitos à base de grafite-poliuretana modificados com polímeros com impressão molecular, na determinação de ácido fólico e diclofenaco." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/75/75135/tde-09112015-165142/.

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Neste trabalho foram preparados eletrodos compósitos grafite-poliuretana modificados com polímeros metacrilatos com impressão molecular (EGPU-MIP) visando a determinação de ácido fólico (FA) e forma ácida do diclofenaco (DCF), os quais foram usados como moléculas molde. O objetivo principal era avaliar o desempenho dos MIPs em relação à seletividade e sensibilidade, além da inovação em relação ao uso dos compósitos como material de eletrodo, relativamente a esses analitos. No caso do FA, os MIP foram preparados com essa molécula, relativamente grande e contendo vários grupos funcionais, para a

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Li, Yinyun. "Computational Modeling of Slow Axonal Transport of Neurofilaments." Ohio University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1373290973.

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Koudelková, Zuzana. "Studium vlivu kvantových teček na biologické systémy a jejich komponenty." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2015. http://www.nusl.cz/ntk/nusl-221351.

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The aim of this thesis is to summarize the available evidence about quantum dots and their effects on living systems. The text describes methods for the preparation of quantum dots with respect to their characteristics (size, fluorescence wavelength) and methods of quantum dots bio-functionalization of biomolecules. In living organisms is a large number of proteins, because these are considered as one of the main components of the interaction of organisms. Therefore, the work also provides basic information about proteins. Finally, there are described various methods by which the quantum dots

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Hassanain, Waleed A. "Novel nanoscale platforms for the isolation and ultra-trace detection of bioactive molecules." Thesis, Queensland University of Technology, 2019. https://eprints.qut.edu.au/124159/1/Waleed_Hassanain_Thesis.pdf.

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This thesis demonstrates novel nanoscale analytical platforms for the selective and sensitive detection of biomolecules for pharmaceutical, environmental and biomedical applications. The new platforms comprised functionalized nanomaterials, disposable sensors and portable detectors for the combined Raman and electrochemical determination of biomolecules. The new nanosensing methodology utilizes the thiol chemistry of biomolecules for their label-free detection by SERS and DPV. Therefore, it can be applied to numerous biomolecules that have disulfide bonds structure. In terms of sensitivity, sa

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Klepáčová, Ivana. "Detekce biomarkerů pomocí elektrochemických metod mikrofluidickým čipem." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-317012.

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The thesis is focused on the development of the electrochemical system with microfluidic platform for the detection of multiple biomarkers. It analyses the use of biomarkers for the early diagnosis of cancer. The theoretical part contains basic information about voltammetric methods and microfluidic systems. The practical part provides solutions to the microfluidic chips, including the description of the used materials, designs, methodologies of preparation and conclusions from the testing of the manufactured microfluidic systems. The thesis describes the lock-in electrochemical system which m

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Ntshongontshi, Nomaphelo. "Molecularly imprinted polymer sensor systems for environmental estrogenic endocrine disrupting chemicals." University of the Western Cape, 2018. http://hdl.handle.net/11394/6241.

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Philosophiae Doctor - PhD (Chemistry)<br>There is growing concern on endocrine disrupting compounds (EDCs). The presence of drugs in water supplies was first realized in Germany in the early 1990s when environmental scientists discovered clofibric acid. Clofibric acid has the ability to lower cholesterol in ground water below a water treatment plant. Endocrine disrupting compounds can be defined as those chemicals with the ability to alter daily functioning of the endocrine system in living organisms. There are numerous molecules that are regarded or referred to as EDCs such as but not limited

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Lefrançois, Aurélie. "Synthèse de nanocristaux de type Chalcopyrite en vue d'applications en cellules solaires." Phd thesis, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-01062176.

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Cette thèse porte sur l'étude de nanocristaux semi-conducteurs ternaires, et leur application dansdes cellules solaires hybrides organiques/inorganiques. Les nanocristaux semi-conducteurs absorbentla lumière à des longueurs d'ondes déterminées par leur taille et leur composition, et conduisent lescharges électriques. Ils sont stables en solution, ce qui permet un dépôt de couches minces à bascout. Aujourd'hui les meilleurs rendements en cellules solaires hybrides sont obtenus à partir de nanocristauxbinaires contenant soit du plomb, soit du cadmium. Les nanocristaux ternaires conserventles pro

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Neves, Nathalia Costa Viana. "Aplica??o da t?cnica eletroanal?tica de pulso diferencial usando o eletrodo de carbono v?treo modificado com ciste?na para monitorar a degrada??o eletroqu?mica de ?cido ox?lico." Universidade Federal do Rio Grande do Norte, 2013. http://repositorio.ufrn.br:8080/jspui/handle/123456789/17732.

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Made available in DSpace on 2014-12-17T15:42:11Z (GMT). No. of bitstreams: 1 NathaliaCVN_DISSERT.pdf: 2020842 bytes, checksum: efcd9ca5e5cfd7d63412f72c80546c39 (MD5) Previous issue date: 2013-07-31<br>In this paper, the technique of differential pulse voltammetry (DPV) has been studied for monitoring the concentration of oxalic acid (OA) during their electrochemical oxidation (EO) in acidic medium using platinum anode supported on titanium (Ti / Pt). The DPV was standardized and optimized using a glassy carbon electrode modified with cysteine. The modification with cysteine was developed ele

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Matyholo, Virginia Busiswa. "Polymeric tyrosinase nanobiosensor system for the determination of endocrine disrupting bisphenol A." Thesis, University of the Western Cape, 2011. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_9288_1319782994.

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The main objective of this work was to develop simple and sensitive electrochemical sensors for the detection of bisphenol A. To investigate the electrochemical behavior of BPA on a bare glassy carbon electrode. To apply the developed biosensor for the determination BPA by differential pulse voltammetry, electrochemical impedance spectrometry, square wave voltammetry and steady-state amperometry. To characterize the synthesized PDMA-PSS by cyclic voltammetry (CV), UV-Vis spectroscopy, transmission electron microscopy (TEM), scanning electron microscopy (SEM).

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Oranzie, Marlon. "Electrochemical Aptasensing of B-Type Natriuretic Peptide-A Biomarker for Myocardial Infarction." University of the Western Cape, 2019. http://hdl.handle.net/11394/7707.

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>Magister Scientiae - MSc<br>infarction (MI) affects many parts of the western world and in South Africa alone it is estimated that MI is responsible for 1 in 6 deaths (17.3%). Traditional diagnostic methods for MI include an electrocardiograms and blood tests. The problem with these diagnostic methods are that they are time consuming, require large sample volumes, expensive equipment and complicated machinery. To achieve early detection of MI the discovery of specific, sensitive and reliable biomarkers are required. Brain natriuretic peptide (BNP) has been identified as a reliable biomarker f

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Feleni, Usisipho. "Quantum dots-amplified electrochemical cytochrome P450 phenotype sensor for tamoxifen, a breast cancer drug." University of the Western Cape, 2017. http://hdl.handle.net/11394/5505.

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Philosophiae Doctor - PhD<br>Breast cancer is regarded as the most common cancer in South Africa and its rate of occurrence is increasing. About one in every 31 South African women are at the risk of developing breast cancer and early diagnosis and treatment guarantee 90% survival rate. Tamoxifen is the drugs of choice for the treatment of all stages of breast cancer. The drug binds with estrogen receptor (ER) to minimize the transcription of estrogen dependent genes. However, nearly 50% of ER-positive breast cancer patients either become resistant or fail to respond to tamoxifen resulti

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Можаровская, П. Н., та P. N. Mozharovskaya. "Разработка вольтамперометрического метода определения формальдегида в объектах фармации на толстопленочных электродах модифицированных висмутом : магистерская диссертация". Master's thesis, б. и, 2020. http://hdl.handle.net/10995/94624.

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Объектами исследования служили лечебный препарат «Эндофальк» и товарный уротропина от ПАО «Метафракс». Цель работы: разработка вольтамперометрической методики количественного определения формальдегида с использованием толстопленочного углеродсодержащего электрода, модифицированного пленкой висмута (ТУЭ/Bi), в объектах фармации на примере уротропина и лекарственного препарата, содержащего в качестве основного вещества субстанцию «Макрогол 3350». Формальдегид (ФМ) относится к высоко опасным веществам с канцерогенным действием. Простые и чувствительные методы определения формальдегида необходимы

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Mariani, Federica. "PEDOT:PSS thin films: Applications in Bioelectronics." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/11915/.

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Owing to their capability of merging the properties of metals and conventional polymers, Conducting Polymers (CPs) are a unique class of carbon-based materials capable of conducting electrical current. A conjugated backbone is the hallmark of CPs, which can readily undergo reversible doping to different extents, thus achieving a wide range of electrical conductivities, while maintaining mechanical flexibility, transparency and high thermal stability. Thanks to these inherent versatility and attracting properties, from their discovery CPs have experienced incessant widespread in a great plethor

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Jijana, Abongile Nwabisa. "Development of electrochemical ZnSe Quantam dots biosensors for low-level detection of 17β-Estradiol estrogenic endocrine disrupting compound". Thesis, University of the Western Cape, 2010. http://hdl.handle.net/11394/2310.

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Magister Scientiae - MSc<br>The main thesis hub was on development of two electrochemical biosensors for the determination of 17β-estradiol-estradiol: an estrogenic endocrine disrupting compound. Endocronology have significantly shown that the endocrine disruptors contribute tremendously to health problems encountered by living species today, problems such as breast cancer, reproductive abnormalities, a decline in male population most significant to aquatic vertebrates, reduced fertility and other infinite abnormalities recurring in the reproductive system of mostly male species. The first bio

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Ngema, Xolani Terrance. "Metallic nanoparticles with polymeric shell: A multifunctional platform for application to biosensor." University of the Western Cape, 2018. http://hdl.handle.net/11394/6330.

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Philosophiae Doctor - PhD (Chemistry)<br>Tuberculosis (TB) is an airborne disease caused by Mycobacterium tuberculosis (MTB) that usually affects the lungs leading to severe coughing, fever and chest pains. It was estimated that over 9.6 million people worldwide developed TB and 1.5 million died from the infectious disease of which 12 % were co-infected with human immunodeficiency virus (HIV) in the year 2015. In 2016 the statistics increased to a total of 1.7 million people reportedly died from TB with an estimated 10.4 million new cases of TB diagnosed worldwide. The development of the effic

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Кубів, Роман Володимирович, та Roman V. Kubiv. "Дослідження адаптивної диференціальної імпульсно-кодової модуляції голосового сигналу". Thesis, Тернопільський національний технічний університет імені Івана Пулюя, 2013. http://elartu.tntu.edu.ua/handle/123456789/2679.

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Дипломна робота на здобуття освітньо-кваліфікаційного рівня магістр за спеціальністю 8.05010201 – Комп’ютерні системи та мережі. – Тернопільський національний технічний університет ім. І. Пулюя, Тернопіль, 2013.<br>The thesis for Magister's degree in the technical sciences on the specialty 8.05010201 – Computer systems and networks. – Ternopil National Technical University. I. Pul'uj, Ternopil, 2013.<br>Роботу присвячено дослідженню адаптивної диференціальної імпульсно- кодової модуляції для вибору методу кодування з врахуванням забезпечення користувача якісним голосовим зв'язком, а тако

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Manukian, Vahagn Emil. "Existence and stability of multi-pulses with applications to nonlinear optics." Connect to resource Connect to this title online, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1117638160.

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Thesis (Ph. D.)--Ohio State University, 2005.<br>Title from first page of PDF file. Document formatted into pages; contains ix, 134 p.; also includes graphics. Includes bibliographical references (p. 130-134). Available online via OhioLINK's ETD Center

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