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Dissertations / Theses on the topic 'Odor signal'

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Author: Grafiati

Published: 10 December 2022

Last updated: 29 January 2023

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1

Page, Jennifer Lynn. "The effects of plume property variation on odor plume navigation in turbulent boundary layer flows." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/29752.

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Thesis (Ph.D)--Biology, Georgia Institute of Technology, 2009.
Committee Chair: Weissburg, Marc; Committee Member: Hay, Mark; Committee Member: Kubanek, Julia; Committee Member: Webster, Donald; Committee Member: Yen, Jeannette. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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2

Leonardelli, Luana. "In vivo honeybee brain imaging to study the olfactory system’s role in the processing of mechanosensory information." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021.

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Le api,con un network di soli 960,000 neuroni sono un eccellente modello nelle neuroscienze per studiare come il sistema olfattivo riceve, elabora e memorizza i segnali. Il centro primario di elaborazione delle informazioni è rappresentato dai lobi delle antenne che hanno un ruolo chiave nella codifica e discriminazione degli odori. Recentemente, nei mammiferi è stata scoperta una correlazione tra il sistema olfattivo e la meccano-sensazione. Appare quindi interessante verificare se questo si osserva anche nelle api. In questo elaborato è stata investigata l’elaborazione parallela di informazioni olfattive e meccano-sensoriali nel sistema olfattivo delle api e il suo potenziale ruolo durante la waggle dance communication, una particolare danza che l’ape svolge mentre è in volo per comunicare con le altri api la presenza di una fonte di cibo. Attraverso tecniche di calcium imaging e facendo uso del microscopio ottico a due fotoni è stato possibile analizzare in vivo la risposta di 7 api a differenti protocolli di stimolazione che presentano segnali chimici e meccanici attivi singolarmente o in combinazione. I lobi antennali delle api generano un pattern complesso di attivazione in risposta alla stimolazione meccanica. Nello specifico, le mappe di risposta glomerulare forniscono un codice di risposta agli stimoli meccanici stereotipato in l'intensità e dinamica che si sovrappone al codice olfattivo. Questi risultati dimostrano che il sistema olfattivo fa molto di più della semplice identificazione degli odori, suggerendo che la combinazione di olfatto e meccano-sensazione potrebbe fornire informazioni sull'intensità, la direzione e la dinamica del flusso d'aria durante il volo e durante la waggle dance communication. Questo conferma come l'ape possa essere un importante modello per lo studio del sistema olfattivo e mette in evidenza come una rete di poche migliaia di neuroni contribuisca in modo significativo alla comprensione dei meccanismi sottostanti.

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3

Rowe, Candida L. "Multicomponent signals." Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299417.

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4

Scheel, Norman [Verfasser]. "Gehirn im Ruhezustand - Signal oder Rauschen? / Norman Scheel." Lübeck : Zentrale Hochschulbibliothek Lübeck, 2018. http://d-nb.info/1153844567/34.

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5

Mitchell, J. "Odour signals contain multi-modal information in the banded mongoose (Mungos mungo)." Thesis, Liverpool John Moores University, 2017. http://researchonline.ljmu.ac.uk/5483/.

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Communication can be crucial to the profitability of reproduction by allowing individuals to attract and select an appropriate mate. Across mammals, successful reproduction can depend on the ability of individuals to gain information such as relatedness, health parameters and breeding status from potential mates. Although visual and auditory signals are utilised, scent is a crucial and ancient form of communication yet, with the exception of certain model systems, we understand little of how it functions in wild mammals. This thesis will focus on the mechanistic role of odour signals: what information they contain and how they may facilitate reproductive decision-making in the banded mongoose (Mungos mungo). I use a wild but habituated population to conduct experimental odour presentations showing these mammals are capable of discriminating scents based on sex, familiarity, relatedness and female reproductive state. The ability of odours to encode such multi-modal information suggests they may facilitate key behavioural processes such as kin recognition, mate-choice and competitive interactions. However, the discrimination of pregnancy specifically implies scent cues function within reproductive decision-making, attracting males to receptive mates. The gastro-intestinal parasite community of this banded mongoose population was also screened, allowing the ability of odour cues to advertise parasitic infection to be tested. Observations show highly parasitised individuals scent-mark less frequently, suggesting marking behaviour indicates quality in terms of parasite burdens. Furthermore, experimental odour presentations show that banded mongooses exhibit behavioural aversions toward odours of heavily infected individuals. Scent cues, in the banded mongoose system, thus appear to encode a multitude of information relevant to reproduction.

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6

Ghaedi, Hamed. "Evaluation of ODOT Overhead Sign Support Inspection Program." University of Toledo / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1408654983.

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7

Sergeant, Mark J. T. "Evolutionary explanations of sexual orientation and its effect upon body odour signals involved in mate selection." Thesis, Nottingham Trent University, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.443327.

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8

Hoang, Thi Phuong [Verfasser], Carsten [Akademischer Betreuer] Mai, Carsten [Gutachter] Mai, Helmut [Gutachter] Schmitz, and Gerrit [Gutachter] Holighaus. "Adaptations of pyrophilous insects to burnt habitats: Odor signals, infrared receptors and behavior / Thi Phuong Hoang ; Gutachter: Carsten Mai, Helmut Schmitz, Gerrit Holighaus ; Betreuer: Carsten Mai." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2020. http://d-nb.info/1212240693/34.

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9

Baretton, Gustavo B., and Daniela E. Aust. "Serratierte Läsionen im Kolorektum – ein pathologisches Problem oder ein Problem der Pathologen?" Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-137346.

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Serratierte Läsionen im Kolorektum stellen eine Problemzone für Kliniker und Pathologen dar; dies liegt zum einen an der noch nicht allgemein bekannten Nomenklatur, zum anderen an dem noch nicht abschließend geklärten Progressionsrisiko der verschiedenen serratierten Polypen. Mittlerweile gilt als akzeptiert, dass neben der klassischen Adenom-Karzinom-Sequenz ein alternativer serratierter und ein sogenannter gemischter Karzinogeneseweg existiert; diese Karzinogenesewege sind in Bezug auf die präinvasiven Vorstufen, die molekularen Pfade und die Prognose der Karzinome heterogen. Bei den serratierten Adenokarzinomen lassen sich ein Niedrigrisiko-Subtyp (Häufigkeit <20%, mit meist proximaler Lokalisation, dem sessilen serratierten Adenom als Vorläuferläsion, BRAF-Mutation, hoher Mikrosatelliteninstabilität, CpG-Methylierung/hMLH1-Ausfall und einer 5-Jahres-Überlebensrate von >70%) sowie ein Hochrisiko-Subtyp (Häufigkeit >80%, mit meist distaler Lokalisation, dem traditionellen serratierten Adenom als Vorläuferläsion, KRAS-Mutation, niedriger Mikrosatelliteninstabilität/mikrosatellitenstabil, CpG-Methylierung/ p53-Akkumulation und einer 5-Jahres-Überlebens-Rate von <30%) unterscheiden. Eine molekular pathologische Bestimmung des Mikrosatellitenstatus und einer BRAF-oder KRAS-Mutation in Verbindung mit einer hMLH1-und p53-Immunhistochemie lässt eine bessere Unterscheidung dieser beiden Typen zu und wird klinisch zunehmend relevant
Serrated Lesions of the Colorectum – a Pathological or a Pathologist’s Problem? The classification and treatment of serrated lesions in the lower gastrointestinal tract remains a difficult task for clinicians and surgical pathologists; on the one hand, due to the inconsistent nomenclature of serrated lesions in the lower gastrointestinal tract and, on the other hand, due to the poor understanding of the underlying mechanisms and risk factors for progression of these lesions. It is widely accepted that in addition to the classic adenoma-carcinoma sequence a recently discovered serrated or mixed pathway is important in colorectal carcinogenesis. These two pathways are heterogeneous with regard to precursor lesions, molecular mechanisms and prognosis. Depending on their molecular signature, serrated colorectal adenocarcinomas, for instance, can be subdivided into a low-risk (frequency <20%, often with proximal location, the sessile serrated adenoma as a precursor lesion, BRAF mutation, high microsatellite instability, CpG methylation/hMLH1 loss and a 5-year survival rate of >70%) and a high-risk subtype (frequency >80%, often with distal location, the traditional serrated adenoma as a precursor lesion, KRAS mutation, low microsatellite instability/microsatellite stable, CpG methylation/ p53 accumulation and a 5-year survival rate of <30%). The evaluation of the microsatellite status as well as the detection of BRAF or KRAS mutations together with immunohistochemistry for hMLH1 and p53 will allow a discrimination between these two subtypes and will become increasingly important in the future
Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich

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10

Jurčík, Petr. "Automatizované pracoviště pro měření parametrů zesilovačů." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219316.

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The aim of this work is to create an automated workplace for measuring the basic parameters of audio amplifiers using a graphical programming environment LabVIEW. Subsequently, the functionality will be verified in practical measurements on the real amplifier.

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11

Baretton, Gustavo B., and Daniela E. Aust. "Serratierte Läsionen im Kolorektum – ein pathologisches Problem oder ein Problem der Pathologen?" Karger, 2011. https://tud.qucosa.de/id/qucosa%3A27729.

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Serratierte Läsionen im Kolorektum stellen eine Problemzone für Kliniker und Pathologen dar; dies liegt zum einen an der noch nicht allgemein bekannten Nomenklatur, zum anderen an dem noch nicht abschließend geklärten Progressionsrisiko der verschiedenen serratierten Polypen. Mittlerweile gilt als akzeptiert, dass neben der klassischen Adenom-Karzinom-Sequenz ein alternativer serratierter und ein sogenannter gemischter Karzinogeneseweg existiert; diese Karzinogenesewege sind in Bezug auf die präinvasiven Vorstufen, die molekularen Pfade und die Prognose der Karzinome heterogen. Bei den serratierten Adenokarzinomen lassen sich ein Niedrigrisiko-Subtyp (Häufigkeit <20%, mit meist proximaler Lokalisation, dem sessilen serratierten Adenom als Vorläuferläsion, BRAF-Mutation, hoher Mikrosatelliteninstabilität, CpG-Methylierung/hMLH1-Ausfall und einer 5-Jahres-Überlebensrate von >70%) sowie ein Hochrisiko-Subtyp (Häufigkeit >80%, mit meist distaler Lokalisation, dem traditionellen serratierten Adenom als Vorläuferläsion, KRAS-Mutation, niedriger Mikrosatelliteninstabilität/mikrosatellitenstabil, CpG-Methylierung/ p53-Akkumulation und einer 5-Jahres-Überlebens-Rate von <30%) unterscheiden. Eine molekular pathologische Bestimmung des Mikrosatellitenstatus und einer BRAF-oder KRAS-Mutation in Verbindung mit einer hMLH1-und p53-Immunhistochemie lässt eine bessere Unterscheidung dieser beiden Typen zu und wird klinisch zunehmend relevant.
Serrated Lesions of the Colorectum – a Pathological or a Pathologist’s Problem? The classification and treatment of serrated lesions in the lower gastrointestinal tract remains a difficult task for clinicians and surgical pathologists; on the one hand, due to the inconsistent nomenclature of serrated lesions in the lower gastrointestinal tract and, on the other hand, due to the poor understanding of the underlying mechanisms and risk factors for progression of these lesions. It is widely accepted that in addition to the classic adenoma-carcinoma sequence a recently discovered serrated or mixed pathway is important in colorectal carcinogenesis. These two pathways are heterogeneous with regard to precursor lesions, molecular mechanisms and prognosis. Depending on their molecular signature, serrated colorectal adenocarcinomas, for instance, can be subdivided into a low-risk (frequency <20%, often with proximal location, the sessile serrated adenoma as a precursor lesion, BRAF mutation, high microsatellite instability, CpG methylation/hMLH1 loss and a 5-year survival rate of >70%) and a high-risk subtype (frequency >80%, often with distal location, the traditional serrated adenoma as a precursor lesion, KRAS mutation, low microsatellite instability/microsatellite stable, CpG methylation/ p53 accumulation and a 5-year survival rate of <30%). The evaluation of the microsatellite status as well as the detection of BRAF or KRAS mutations together with immunohistochemistry for hMLH1 and p53 will allow a discrimination between these two subtypes and will become increasingly important in the future.
Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich.

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12

Moergel, Maximilian. "Das Auftreten von High-intensity-transient-Signals während der Linksherzkatheterisierung zur Koronarangiographie oder perkutanen transluminalen Koronarangioplastie und ihre neurologischen und neuropsychologischen Effekte." [S.l.] : [s.n.], 2002. http://deposit.ddb.de/cgi-bin/dokserv?idn=968694837.

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13

Holighaus, Gerrit [Verfasser], Stefan [Akademischer Betreuer] Schütz, Ursula [Akademischer Betreuer] Kües, and Stefan [Akademischer Betreuer] Vidal. "Odour signals relevant to beetles in deadwood habitats - odorants, olfaction and behaviour / Gerrit Holighaus. Gutachter: Stefan Schütz ; Ursula Kües ; Stefan Vidal. Betreuer: Stefan Schütz." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2012. http://d-nb.info/1043995978/34.

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14

Gawron, Christiane Katharina [Verfasser]. "Strukturelle Veränderungen des Gehirns in Verbindung mit der Inhibitionskontrolle bei Alkoholabhängigkeit : oder: Decreased gray matter volume in inferior frontal gyrus is related to stop-signal task performance in alcohol dependent patients / Christiane Katharina Gawron." Berlin : Medizinische Fakultät Charité - Universitätsmedizin Berlin, 2016. http://d-nb.info/1119803101/34.

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15

Wist, Dominic, Mark Schaefer, Walter Vogler, and Ralf Wollowski. "STG decomposition : internal communication for SI implementability." Universität Potsdam, 2010. http://opus.kobv.de/ubp/volltexte/2010/4078/.

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STG decomposition is a promising approach to tackle the complexity problems arising in logic synthesis of speed independent circuits, a robust asynchronous (i.e. clockless) circuit type. Unfortunately, STG decomposition can result in components that in isolation have irreducible CSC conflicts. Generalising earlier work, it is shown how to resolve such conflicts by introducing internal communication between the components via structural techniques only.
STG-Dekomposition ist ein bewährter Ansatz zur Bewältigung der Komplexitätsprobleme bei der Logiksynthese von SI (speed independent) Schaltungen – ein robuster asynchroner (d.h. ohne Taktsignal arbeitender digitaler) Schaltungstyp. Allerdings können dabei Komponenten mit irreduziblen CSC-Konflikten entstehen. Durch Verallgemeinerung früherer Arbeiten wird gezeigt, wie solche Konflikte durch Einführung interner Kommunikation zwischen den Komponenten gelöst werden können, und zwar ausschließlich durch Verwendung an der Graphenstruktur ansetzender Verfahren.

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16

Hoang, Thi Phuong. "Adaptations of pyrophilous insects to burnt habitats: Odor signals, infrared receptors and behavior." Doctoral thesis, 2019. http://hdl.handle.net/21.11130/00-1735-0000-0005-13D8-2.

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17

Holighaus, Gerrit. "Odour signals relevant to beetles in deadwood habitats - odorants, olfaction and behaviour." Doctoral thesis, 2012. http://hdl.handle.net/11858/00-1735-0000-000D-F05D-C.

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18

Moergel, Maximilian [Verfasser]. "Das Auftreten von High-intensity-transient-Signals während der Linksherzkatheterisierung zur Koronarangiographie oder perkutanen transluminalen Koronarangioplastie und ihre neurologischen und neuropsychologischen Effekte / vorgelegt von Maximilian Moergel." 2002. http://d-nb.info/968694837/34.

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19

Esser, Ferdinand [Verfasser]. "Do microbial or biochemical settlement cues on the sediment surface mediate larval settlement of Polydora cornuta and Streblospio benedicti (Polychaeta, Spionidae)? = Sind mikrobielle oder biochemische Signale an der Sedimentoberfläche für die larvale Ansiedlung von Polydora cornuta und Streblospio benedicti (Polychaeta, Spionidae) verantwortlich? / vorgelegt von Ferdinand Esser." 2007. http://d-nb.info/985911425/34.

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