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Dissertations / Theses on the topic 'Cockroaches'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Noah, J. Adam. "Detection of forces and body load in standing and walking in the American cockroach." Huntington, WV : [Marshall University Libraries], 2003. http://www.marshall.edu/etd/descript.asp?ref=345.

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Thesis (Ph. D.)--Marshall University, 2003.<br>Title from document title page. Document formatted into pages; contains p. viii, 159 p. Includes abstract. Includes bibliographical references (p. 149-159).

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2

Mallery, Christopher Sean. "Reproduction and Metabolic Responses to Acute and Chronic Hypoxia in Ovoviviparous Blaberid Cockroaches, with a Focus on Blaptica dubia." Thesis, University of North Texas, 2017. https://digital.library.unt.edu/ark:/67531/metadc1011879/.

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The major components of the tracheal system of insects are an extension of the exoskeleton, and the size of the exoskeleton is fixed in the adult stage, so any increase in metabolic demand that may accompany reproduction must be met by a relatively unaltered tracheal system that the female set in place at ecdysis, when entering adulthood. Acute hypoxia tends to elicit an increase in ventilation in insects, and here, I observe increased interburst VCO2 release, and a tendency towards a more continuous gas exchange pattern being preferred over discontinuous gas exchange when Blaptica dubia and E

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3

Noble, Stewart J. "Factors influencing the pinworm community (Oxyurida : Nematoda) parasitic in the hindgut of the American cockroach, Periplaneta americana." Thesis, University of British Columbia, 1991. http://hdl.handle.net/2429/30171.

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Large cockroaches, such as Periplaneta Americana, typically harbour in their hindgut two or more species of parasitic pinworm (Nematoda: Oxyurida). Our laboratory colony was infected with three, possibly four species. The mechanism(s) permitting the sympatry of these potentially competing species were investigated by: i) repeatedly sampling over time hosts of various size to determine the structure, if any, in the pinworm guild and ii) infecting uninfected hosts with known doses of infective eggs and monitoring population changes via daily host dissections. Results indicate that chemically-med

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4

Zhai, Jing. "Application of insecticides to control the German cockroach, Blattella germania (L.)." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-06102009-063046/.

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5

Rippon, Gregory D. "An investigation of the structure and function of the peritrophic membrane of the American cockroach, PERIPLANETA AMERICANA, with special reference to the possible effects of tannins on water movement and permeability of dyes through the peritrophic membrane /." Title page, table of contents and summary only, 1987. http://web4.library.adelaide.edu.au/theses/09PH/09phr593.pdf.

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6

Tang, Kwok-hei Eric, and 鄧國曦. "The bacterial community in the guts of the oriental, Blaberidae cockroaches Opisthoplatia orientalis." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/197530.

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Microbial symbiosis in the guts of animals helps food digestion, nutrients assimilation and many other important aspects of physiology. Most of the guts in animals are colonized with a consortium of microbes which have been described as another vital organ to animals. Symbiosis is a dynamic interaction susceptible to both endogenous and exogenous factors, resulting in a shift of the microbial community structure together with host physiological responses. Although some studies have suggested that host phylogeny and environment would help to shape the host gut microbiota, their influence has no

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7

Lembke, Hannah. "An investigation into the physiology of urate pellet excretion by Parcoblatta fulvescens (Saussure and Zehntner) (Dictyoptera: Blattellidae)." Thesis, Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/50047.

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Physiological parameters involved in formed urate pellet excretion by the wood cockroach, <i>Parcoblatta fulvescens</i> were investigated. Uric acid excretion by last instar juvenile <i>P. fulvescens</i> was studied first. Food consumption, urate and non-urate pellet excretion patterns show a skewed distribution with peak feeding occurring on day six and peak voiding of both pellet types on day seven of a 17.0 ± 2.0 (SD) day ecdysial cycle. The amount of urates excreted is determined by the level of dietary protein (p<0.0001) and is linearly related to protein consumption. Selective feeding

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8

Sieksmeyer, Thorben [Verfasser]. "Host-microbiome-pathogen interactions in cockroaches / Thorben Sieksmeyer." Berlin : Freie Universität Berlin, 2021. http://d-nb.info/1231276096/34.

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9

Zervos, S. "Population regulation of thelastomatid nematodes (Nematoda: Thelastomatidae) of cockroaches." Thesis, University of Canterbury. Zoology, 1986. http://hdl.handle.net/10092/4791.

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Populations of thelastomatid nematodes in cockroach hosts were investigated. The population biology, life history, habits. distribution, and gross morphology of cockroaches involved are discussed. New species of thelastomatid nematodes from cockroaches are described and keys to species of Protrellus and Blatticola are given. Evidence for population regulation in six species of thelastomatids in eight species of cockroaches collected from the field is presented. No host contained two adult males, infrapopulations with two juvenile males were very rare, the number of adult females per host was s

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10

Harley, Cynthia Marie. "Negotiation of Barriers by Intact and Brain-Lesioned Cockroaches." Case Western Reserve University School of Graduate Studies / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=case1254949161.

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11

Chai, Songhai. "Characterization of left-right bias in wind responses of type-A thoracic interneurons in the cockroach." Case Western Reserve University School of Graduate Studies / OhioLINK, 1995. http://rave.ohiolink.edu/etdc/view?acc_num=case1062522911.

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12

Gunnarsson, Karl Fannar. "USING MADAGASCAR HISSING COCKROACHES AS RESEARCH SUBJECTS IN BEHAVIOR ANALYSIS." OpenSIUC, 2013. https://opensiuc.lib.siu.edu/theses/1199.

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The current study investigated the effects of environmental cues on foraging behavior of Madagascar hissing cockroaches using a maze. By placing the subjects in the maze and have them freely roam around; familiarizing themselves with the maze they gradually spent more time where reinforcement was available. As a mean of measurement, the reinforcers were then removed and the maze was flipped 180 degrees. The results were that the subjects allocated majority of their time in the area of the maze where reinforcers were previously available, and when reinforcers had a different spatial location

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13

Jex, Aaron Richard. "The thelastomatoidea (Nematoda: oxyurida) of Australian burrowing cockroaches (Blattodea: geoscapheinae, panesthiinae) /." [St. Lucia, Qld.], 2005. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe19274.pdf.

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14

Ghanem, Iyad. "Regulation of corpus allatum activity in the female American cockroach (Periplaneta americana)." Thesis, University of Reading, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.292656.

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15

Sherertz, Peter Chamness. "Catabolic substrate utilization patterns: varying humidity and dietary regimens in the American cockroach Periplaneta americana (L.) (Dictyoptera: Blattidae)." Diss., Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/71182.

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Changes in metabolic substrate utilization patterns resulting from exposure to varying humidity and dietary regimens were examined in the adult, male American cockroach. A series of respirometric experiments were conducted to monitor changes in respiratory quotient (RQ), oxygen quotient (QO₂), food and water consumption and body weight. Also, a series of radiolabel experiments, utilizing injected ¹⁴C-glucose and ¹⁴C-palmitic acid, were conducted to determine radiolabel content (after exposure to varying humidity and dietary regimens) in whole body, feces, ¹⁴CO₂, hemolymph, fat body tissue and

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16

Ross, Andrew J. "The Purbeck and Wealden cockroaches and their potential use in biostratigraphy." Thesis, University of Brighton, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.341285.

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17

Guo, Peiyuan. "THE ROLE OF THE CENTRAL COMPLEX IN ADAPTIVE LOCOMOTOR BEHAVIOR IN COCKROACHES." Case Western Reserve University School of Graduate Studies / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=case1381444649.

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18

Cheung, Chun, and 張俊. "Mechanism of action of Xinmailong, a proprietary Chinese medicine for the treatment of chronic heart failure." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/208582.

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Chronic heart failure is one of the commonest fatal diseases in the world. Much work has been done to reveal its complicated pathogenesis and develop effective therapy. Xinmailong (XML), a compound extracted from Periplaneta americana, has been launched on the market in Mainland China as a proprietary medication for treating patients with chronic heart failure. Although it is highly effective, its mechanism of action is still not completely understood. In this study, the results of calcium (〖Ca〗^(2+)) imaging demonstrated that XML increased electrical impulse-induced intracellular calcium ([〖

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19

Beasley-Hall, Perry Grace. "Digging deeper: phylogenetics and parallel evolution of Australian native cockroaches, their allies, and endosymbionts." Thesis, University of Sydney, 2020. https://hdl.handle.net/2123/24289.

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Parallel evolution is an intriguing phenomenon that has implications for the predictability of evolution and how constrained evolutionary processes might be. In this thesis I make use of phylogenetic, biogeographic, and molecular evolution analysis methods to comprehensively characterise a recently discovered example of parallelism in Australian soil-burrowing cockroaches (Blaberidae: Geoscapheinae) which have repeatedly evolved burrowing behaviour in parallel from wood-feeding ancestors (Panesthiinae). Here, biogeographic analyses indicate the acquisition of burrowing behaviour in the Geoscap

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20

Morelos, M., Phillip R. Scheuerman, and G. Gist. "Antibiotic Resistant Bacteria Isolated from German Cockroaches Collected from a Hospital Laundry Facility." Digital Commons @ East Tennessee State University, 1989. https://dc.etsu.edu/etsu-works/2887.

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21

Branscome, Deanna D. "Interactions of enteric bacteria with american cockroaches (periplaneta americana) and pharaoh ants (monomorium pharaonis)." [Gainesville, Fla.] : University of Florida, 2004. http://purl.fcla.edu/fcla/etd/UFE0006617.

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22

Baldwin, Rebecca Frances Williams. "Public perceptions of urban pest management and the toxicity of fatty acid salts to cockroaches." [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0012931.

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23

Negus, Tracy L. "The response of German cockroaches to commercial toxic baits and their potential to develop resistance." Thesis, Virginia Tech, 1996. http://hdl.handle.net/10919/45080.

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Multiple strains of German cockroaches, Blattella germanica, were exposed to four different toxic baits. The baits used were Roach Ender, Whitmire gel bait (not commercially available), Stapleton’s Magnetic Roach Food and Baygon. For each bait, strains varied in respect to bait consumption, percent bait eaten and mortality. Selection experiments were carried out to determine the potential for the development of resistance. After three generations of selection, incipient development of behavioral resistance was found in the Jacksonville and Puerto Rico strains exposed to Roach Ender. All strain

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24

Harmon, James Dale. "The effects of three insecticides on oothecal-bearing German cockroach, Blattella germanica L., (Dictyoptera: Blattellidae), females." Thesis, Virginia Polytechnic Institute and State University, 1987. http://hdl.handle.net/10919/71343.

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German cockroach, Blattella germanica L., females of resistant and non-resistant strains carrying oothecae were exposed to filter paper impregnated with propoxur, malathion, and diazinon. Premature oothecal drop was monitored during the exposure period and for 24 hours thereafter. Determinations of female mortality were also made 72 h post-exposure. Oothecae from exposed females were observed for percentage egg hatch, time from exposure to hatch, percentage nymphal emergence, nymphal survival, and the percentage of nymphs able to move about freely 24 hours post-emergence. The comparisons of

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25

Brooks, J. Mark. "Predictors of indoor dust mite and cockroach levels." Thesis, Birmingham, Ala. : University of Alabama at Birmingham, 2007. http://www.mhsl.uab.edu/dt/2007p/brooks.pdf.

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26

Köhler, Tim [Verfasser], and Andreas [Akademischer Betreuer] Brune. "Diversity and evolutionary patterns in the bacterial gut microbiota of termites and cockroaches / Tim Köhler. Betreuer: Andreas Brune." Marburg : Philipps-Universität Marburg, 2012. http://d-nb.info/1027183808/34.

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27

Lampert, Niclas [Verfasser], and Andreas [Akademischer Betreuer] Brune. "Microenvironment and bacterial community structure in the gut of wood- and litter-feeding cockroaches / Niclas Lampert ; Betreuer: Andreas Brune." Marburg : Philipps-Universität Marburg, 2018. http://d-nb.info/1153121700/34.

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28

Planas-Sitjà, Isaac. "Quantification and determination of the interindividual variability observed in a group of cockroaches and its implications at a collective level." Doctoral thesis, Universite Libre de Bruxelles, 2017. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/249175.

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In this thesis, we used the American cockroach study the relationship between animal personality and collective behaviour. These questions do not only regard domiciliary cockroaches or insects; in fact, the questions we discuss here have a large scope and concern most of the known gregarious species distributed in several taxa. One of our aims is to develop general tools, methods and analyses that could be used for the study of collective behaviour.We show evidence of personality in several behavioural traits and different contexts in the American cockroach. These behavioural differences were

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29

Souza, Pablo Waldeck Gon?alves de. "ISOLAMENTO DE Cryptococcus neoformans (SANFELICE) VUILLEMIN (1901) DE Periplaneta americana (LINNEU, 1758) RECOLHIDAS DE AMBIENTES P?BLICOS." Universidade Federal Rural do Rio de Janeiro, 2008. https://tede.ufrrj.br/jspui/handle/tede/872.

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Made available in DSpace on 2016-04-28T20:17:28Z (GMT). No. of bitstreams: 1 2008 - Pablo Waldeck Goncalves de Souza.pdf: 2011389 bytes, checksum: 2d903c70e0f497dfa879d5f386e128c6 (MD5) Previous issue date: 2008-03-07<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>The objective of this paper was determined the presence of Cryptococcus neoformans in cockroach (Periplaneta americana) collected in public places. The motivation for this research was based on the fact that this species of cockroach is synanthropic and vehicle of several pathogenic agents for man and animals. Th

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30

Siff, Sarah. "Atomic Roaches and Test-tube Babies: Bentley Glass and Science Communication." Ohio University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1339001805.

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31

Lee, Jimmy Jing-Ming 1955. "Studies of Nitrogen-containing Compounds Having Pyrethroid-like Bioactivity." Thesis, University of North Texas, 1989. https://digital.library.unt.edu/ark:/67531/metadc332332/.

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During recent years most of the successful developments in pyrethroids have been primarily concerned with structural or compositional variations. As a part of our continuing interest in pyrethroid insecticides, nitrogen-containing compounds having pyrethroid-like structures were synthesized. Seven prolinate compounds, N-(substituted)-phenyl-prolinates and N-carbobenzoxy-prolinates were coupled with known pyrethroid alcohols. These structural variations which "locked in" a specific conformation between the nitrogen and chiral a-carbon in the acid moiety of fluvalinate were studied to determine

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32

Fowler, Jennifer. "Indoor Environmental Quality within an Elementary School Classroom: Measurements of Felis domesticus I, Dermatophagoides pteronyssinus I, Dermatophagoides farinae I, and Blatella germanica in Carpeting." [Tampa, Fla] : University of South Florida, 2009. http://purl.fcla.edu/usf/dc/et/SFE0002837.

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33

Thoms, Ellen Mary. "The ecology and management of the oriental cockroach Blatta orientalis L. (Orthoptera:Blattidae) in the urban environment." Diss., Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/76332.

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The oriental cockroach, Blatta orientalis L., was found to be an important seasonal household pest. Of 151 residents interviewed in two Roanoke apartment complexes in Virginia, 90% had seen oriental cockroaches, 60% considered one oriental cockroach indoors to be a problem, and 77% had taken steps to control these cockroaches. Monitoring oriental cockroach populations indicated when and where treatment would be necessary to reduce cockroach infestations. The adult cockroach population peaked in late June and July, and declined through August and September while the number of nymphs increased.

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34

POTENZA, MARCOS R. "Avaliacao de produtos naturais irradiados para o controle de Sitophilus zeamais Mots. (Coleoptera: Curculionidae) e Blattella germanica (L.) (Dictyoptera: Blattellidae)." reponame:Repositório Institucional do IPEN, 2004. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11146.

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Made available in DSpace on 2014-10-09T12:48:53Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:00:58Z (GMT). No. of bitstreams: 1 09622.pdf: 5768165 bytes, checksum: e2892f39925cad85d839fbede925fbad (MD5)<br>Tese (Doutoramento)<br>IPEN/T<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP

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35

Jaime, Anthony Andrew. ""Cockroach centuries"| The cockroach image as the conduit for the marginalized beat woman and artist in Elise Cowen's cockroach poetry." Thesis, California State University, Long Beach, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10260790.

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<p> This project examines Beat poet Elise Cowen’s creative implementation and development of the cockroach image from culturally maligned pest to its symbolic representation of the marginalized Beat woman and artist. Set primarily against the backdrop of the cyclical gendered kitchen, the cockroach subject serves as the conduit from which Cowen underscores the Beats' relegation of women into the stifling roles of the caretaker, lover, and muse; roles that critically disable them of the time, freedom, and spontaneity of experience found outside of the home that informs the traditional Bea

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36

Lifhjelm, Tobias. "A scalability evaluation on CockroachDB." Thesis, Umeå universitet, Institutionen för datavetenskap, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-184587.

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Databases are a cornerstone in data storage since they store and organize large amounts of data while allowing users to access specific parts of data easily. Databases must however adapt to an increasing amount of users without negatively affect the end-users. CochroachDB (CRDB) is a distributed SQLdatabase that combines consistency related to relational database management systems, with scalability to handle more user requests simultaneously while still being consistent. This paper presents a study that evaluates the scalability properties of CRDB by measuring how latency is affected by the a

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37

Doorly, Nicole C. "A Neuromechanical Model for Cockroach Locomotion." Case Western Reserve University School of Graduate Studies / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=case1291140045.

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38

Håkansson, Kristina, and Andreas Rosenqvist. "Evaluation of CockroachDB in a cloud-native environment." Thesis, Blekinge Tekniska Högskola, Institutionen för programvaruteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-21671.

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The increased demand for using large databases that scale easily and stay consistent requires service providers to find new solutions for storing data in databases. One solution that has emerged is cloud-native databases. Service providers who effectively can transit to cloud-native databases will benefit from new enterprise applications, industrial automation, Internet of Things (IoT) as well as consumer services, such as gaming and AR/VR. This consequently changes the requirements on a database's architecture and infrastructure in terms of being compatible with the services deployed in a clo

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39

Lankford, William Timothy. "The toxicity and pharmacokinetics of pyrethroid microemulsions." Thesis, Nottingham Trent University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.384861.

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40

Padley, A. J. "Ecdysteroids in ovaries and eggs of the American cockroach, Periplaneta americana." Thesis, University of Leeds, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233891.

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41

Evans, Anthony Mark. "Dopamine receptors of the cockroach salivary gland." Thesis, University of Edinburgh, 1990. http://hdl.handle.net/1842/27986.

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A study has been made of the secretory response and the electrical reponse (a hyperpolarization followed by a depolarization) mediated by dopamine receptors of the cockroach (<i>Nauphoeta cinerea</i> Olivier) salivary gland <i>in-vitro</i>. Although domperidone did not inhibit the electrical response to dopamine, three other actions were observed: one, post-synaptic, led to the potentiation of the hyperpolarization; this action was shared by (±)sulpiride. A separate post-synaptic action resulted in the inhibition of the depolarizing phase of the response. Finally a pre-synaptic action led to t

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42

Kingsley, Daniel A. "A COCKROACH INSPIRED ROBOT WITH ARTIFICIAL MUSCLES." Case Western Reserve University School of Graduate Studies / OhioLINK, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=case1094932214.

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43

Bret, Brian Louis. "Effects of an insecticide on German cockroach behavior." Diss., This resource online, 1985. http://scholar.lib.vt.edu/theses/available/etd-03042009-040616/.

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44

Randall, Joanna. "Endemic infection in the German cockroach, Blattella germanica." Thesis, Cardiff University, 2011. http://orca.cf.ac.uk/17310/.

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Epidemic disease outbreaks pose a significant risk to the stability and survival of many populations on earth. Current methods to understand how epidemic diseases transmit are often confounded by heterogeneity in infection rates amongst host populations. Endemic parasites, which are often less severe compared to epidemic diseases, may contribute to that variation by impacting on host biology and therefore altering the transmission of epidemic diseases. The effects of an endemic, gastrointestinal infection on host fitness and host interactions with an epidemic parasite were explored in a novel

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45

Choudhury, Udit. "Dynamic Mechanical Properties of Cockroach(Periplaneta americana) Resilin." Thesis, Virginia Tech, 2012. http://hdl.handle.net/10919/40869.

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Resilin is a cuticular protein found in a variety of insects. It can stretch up to 300% of its natural length without any creep or relaxation. Further, it operates across a wide frequency range from 5 Hz in locomotion to 13 kHz in sound production. Both the protein sequence and composition of natural resilin as well as the dynamic mechanical properties vary substantially across species. This suggests that mechanical properties may be evolutionarily tuned for specific functions within an insect. Here, samples of resilin obtained from the tibia-tarsal joint of the cockroach, Periplaneta american

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46

Rubeo, Scott Edward. "Control of Simulated Cockroach Using Synthetic Nervous Systems." Case Western Reserve University School of Graduate Studies / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=case1495555770825904.

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47

Beal, Dominic Richard. "Role of macrophages in cockroach allergen-induced asthma." Thesis, Boston University, 2013. https://hdl.handle.net/2144/10938.

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Thesis (Ph.D.)--Boston University<br>Asthma is a common chronic inflammatory disease representing a significant socio-economic burden, and the incidence is rising in both developed and developing countries. Our lab has previously developed a robustly reproducible cockroach allergen induced asthma model using outbred HSD:ICR mice which induces many of the same features as seen in other mouse models of human disease, including airway hyper-responsiveness, mucin production, and pulmonary inflammatory cell recruitment. The studies presented here focus on the role of macrophages, which are often

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48

Blanco, R. E. "Ultrastructural studies on peripheral nerve regeneration in the cockroach Periplaneta americana." Thesis, University of Cambridge, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233669.

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This study was concerned with the ultrastructural changes that occur in axons and glial cells during peripheral nerve regeneration in the cockroach <i>Periplaneta americana</i>. Metathoracic nerve 5 was cut and regeneration of the proximal stump was studied using electron microscopy. Nerve 5 was surrounded by an acellular layer, the neural lamella. Underneath this structure was a layer of glial cells which formed the perineurium. Lanthanum penetration stopped between the perineurial cell processes, revealing them to be the site of the blood-brain barrier (BBB). Underlying the perineurium were

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49

Anthony, Nicola Mary. "Action of convulsants and insecticides on GABA receptors." Thesis, University of Cambridge, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240117.

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50

Terwilliger, Ami Renee. "Establishing immunization parameters in the American cockroach, Periplaneta americana." Cincinnati, Ohio : University of Cincinnati, 2006. http://www.ohiolink.edu/etd/view.cgi?acc%5Fnum=ucin1148267879.

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Thesis (M.S.)--University of Cincinnati, 2006.<br>Title from electronic thesis title page (viewed Aug. 4, 2006). Includes abstract. Keywords: Immunization; Cockroach; SDS-PAGE; Ouchterlony gel. Includes bibliographical references.

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