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Thèses sur le sujet « Early aging »

Auteur : Grafiati

Publié le 2 juin 2025

Mis à jour le 31 juillet 2025

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1

Sayer, Avan Aihie. "Aging and its relationship to early growth." Thesis, University of Southampton, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.242108.

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Zhou, Shuangcheng. "Defects in early B lymphocyte development in Zmpste24⁻?p- mice." Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B43703641.

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Wong, Kiing Ing. "Study of early electrical aging of polyethylene using electroluminescence technique." Thesis, University of Southampton, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.397733.

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4

Meek, Kimberly I. "Hydrodynamic Shock Wave: Decreasing Broiler Breast Aging Time." Thesis, Virginia Tech, 1997. http://hdl.handle.net/10919/36505.

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The Hydrodyne process was used to tenderize early de-boned broiler (EB) breasts. The first objective was to determine effects of explosive and distance of the explosive to the meat surface. EB breasts were removed immediately after initial chill (45 min post-mortem), stored for 24 hours, and subjected to one of four treatment combinations. Hydrodyne treatment of 350 g at 20 cm produced the greatest increase in Warner-Bratzler shear (1.9-cm wide strips) tenderness (28.3%), and was the only treatment to increase tenderness (peak force 4.3 kg) to a level equivalent (P>0.05) to aged controls (CA

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Zhou, Shuangcheng, and 周雙宬. "Defects in early B lymphocyte development in Zmpste24⁻′⁻ mice." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B43703641.

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Penner, Marsha Rae. "Subregion Specific Changes In Immediate-Early Genes in the Aged Hippocampus." Diss., The University of Arizona, 2008. http://hdl.handle.net/10150/194312.

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The normal aging process is accompanied by changes in cognitive function. One of the brain regions known to be an early target of the aging process is the hippocampus, a medial temporal lobe structure that is critically involved in spatial learning and memory function. The formation and maintenance of memory relies on rapid and sustainable synaptic modification, which requires new gene expression. Immediate-early genes are the first genes to be induced following relevant stimuli, and include genes that encode transcription factors, such as c-fos and zif268, and effector proteins that directly

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Van, Adel J. Michael. "Prospective Memory Abilities In Aging and Mild Cognitive Impairment/ Early Alzheimer’s Disease." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/35327.

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This dissertation describes separate but related studies that explore the prospective memory abilities of older adults and individuals with Mild Cognitive Impairment/Early Alzheimer’s disease. Prospective memory (PM) refers to the type of memory utilized to execute planned actions in accordance with a specific event. PM is critical to maintaining functional independence in older adults, as it can refer to such basic acts as remembering to turn off a stove or taking one’s medication. Research suggests PM abilities decline within normal aging and to a greater extent in Mild Cognitive Impairment

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Thurm, Franka [Verfasser]. "Aging and dementia : Clinical relevance of early markers and late interventions / Franka Thurm." Konstanz : Bibliothek der Universität Konstanz, 2012. http://d-nb.info/1024457672/34.

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Komulaine, Julie L. "Linguistic Differences in Individuals with Early Stage Alzheimer's Disease and the Normal Aging Population." Thesis, California State University, Long Beach, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10690385.

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<p> Early detection of Alzheimer’s disease (AD) is crucial. The risk of progressing to advanced stages is higher among those in the earliest stages of AD, and early diagnosis can lead to more effective treatment. Language assessments can be effective in diagnosing AD early. The current study evaluated the effectiveness of action fluency tasks in detecting early AD. An individual with early AD and a normal aging individual participated in three verbal fluency tasks: letter, category, and action. Results revealed that the individual with early AD performed more poorly than the normal aging

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10

Taylor, Sarah Elizabeth. "Remembering Elderly Women in Early America: A survey of how aged women were memorialized in late eighteenth and early nineteenth-century tombstone inscriptions, death notices, funeral sermons, and memoirs." Thesis, Virginia Tech, 2002. http://hdl.handle.net/10919/32689.

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By analyzing the language used in tombstone inscriptions, death notices, funeral sermons, and memoirs, this thesis reviews how cultural expectations placed on women during the late eighteenth and early nineteenth centuries impacted the reputation of aged women. Specifically, it demonstrates how the ideology of domesticity contributed to the reputation of aged women as women and how advanced age influenced their exemplary place in society. Ultimately, this thesis argues the concept of gender identity that was influential throughout the life course was magnified in importance during old age.<b

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Phillips, Alaina J. "Aging and Global Precedence: Evidence of Parallel Processing With Older Adults In Early Visual Attention Processing." University of Akron / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=akron1319737762.

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Clemente, Batalha Pardal Diana 1990. "European-wide studies on pro-inflammatory risk factors in early life and molecular markers of aging." Doctoral thesis, Universitat Pompeu Fabra, 2018. http://hdl.handle.net/10803/666990.

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Although universal and unavoidable, aging does not occur in a uniform way. In this dissertation, we assessed the effects of early life exposure to pro-inflammatory risk factors (air pollution and obesity) on mitochondrial DNA (mtDNA) content and telomere length, considered as markers of biological aging, at birth and during childhood. First we observed that an increment in nitrogen dioxide (NO2) exposure during pregnancy was associated with a decrease in both placental mtDNA content and birth weight and length (chapter 2 and 3). Secondly, we showed that the association between prenatal NO2 exp

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Sonnier-Netto, Mary Elizabeth. "The Association between Early Care and Education and Midlife Outcomes: The Abecedarian 5th Decade Follow-up." Diss., Virginia Tech, 2018. http://hdl.handle.net/10919/94642.

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This dissertation focuses on the midlife adjustment of individuals from a longitudinal study in its 5th decade of follow-up. The Abecedarian Project, a prospective randomized control trial (RCT), began in 1972 with the primary goal of preventing cognitive impairments and school failure in children born into impoverished families with multiple risk factors by randomly assigning 111 infants to either an early education (n = 57) or control group (n = 54). This dissertation reports midlife outcomes at ages 39 – 45 for 42 individuals who received the early education treatment and 36 who were contro

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Lloyd, Brittany K. "Identifying Early Indicators of Subjective Memory Concerns in Seniors." Thèse, Université d'Ottawa / University of Ottawa, 2014. http://hdl.handle.net/10393/30920.

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Background: Subjective Memory Concerns (SMC) in seniors can be one of the earliest indicators of future dementia. There is a lack of research into the nature of these concerns and functional impairments. Methods: This retrospective secondary analysis gathered data from 67 healthy seniors aged 65+ using neuropsychological tests, memory concern questionnaires and daily functioning scales. Informants corroborated memory concerns and daily functioning. Participants comprised two groups: SMC if worried about their memory and Not Concerned about Memory if not. Results: People with SMC report more di

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Curilla, Kaylee L. "Resilience to Trauma throughout the Lifespan: Overcoming Child Sexual Abuse." Antioch University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=antioch1422547643.

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Beanblossom, Kathryn M. "EXPLORING THE EXPERIENCES AND PERCEPTIONS OF PERSONS DIAGNOSED WITH EARLY ONSET DEMENTIA AND THEIR PRIMARY CAREGIVERS." Miami University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=miami1366835742.

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Gabrian, Martina [Verfasser], and Hans-Werner [Akademischer Betreuer] Wahl. "Subjective Aging - Measurement Issues, Developmental Consequences, and Malleability in Midlife and Early Old Age / Martina Gabrian ; Betreuer: Hans-Werner Wahl." Heidelberg : Universitätsbibliothek Heidelberg, 2016. http://d-nb.info/1180615603/34.

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Fuller, Scott J. "An investigation of the as-quenched and early aging characteristics of a Al - 4.1wt%Li binary alloy by X-ray diffraction." Thesis, Monterey, California : Naval Postgraduate School, 1990. http://handle.dtic.mil/100.2/ADA237598.

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Thesis (M.S. in Mechanical Engineering)--Naval Postgraduate School, June 1990.<br>Thesis Advisor(s): Fox, A.G. "June 1990." Description based on title screen as viewed on March 24, 2010. Author(s) subject terms: Aluminum-Lithium Alloys, Microstructural Development. Includes bibliographical references (p. 47-52). Also available in print.

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Wang, Ting, and 王挺. "A study on early changes of the cartilage and subchondral bone in osteoarthritis with a spontaneous and aging-related guinea pig model." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hdl.handle.net/10722/193509.

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Osteoarthritis (OA) has been one of the most prevalent joint disorders which cause pain, impair mobility of patients and bring heavy burden to social economics. Unfortunately up to now we still know little about OA. We are not sure what exactly cause OA. The pathogenesis of OA is not clearly understood. Besides, we don’t have effective treatment for OA. When joint degeneration goes to the end-stage, Total Joint Replacement surgery seems to be the only way to relieve pain and restore joint function. Since cartilage degeneration is quite difficult to be stopped or reversed, people are trying

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20

Walters, Elizabeth R. "Factors affecting neuropsychological testing in the elderly and the use of a newly developed virtual reality test. Implications for the accurate and early diagnosis of Alzheimer's disease." Thesis, University of Bradford, 2013. http://hdl.handle.net/10454/7353.

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Neuropsychological testing is one method used in the diagnosis of Alzheimer’s disease and other cognitive disorders. However, the testing process may be affected by subtle external factors which if not controlled for may have the ability to affect the scores obtained. The primary aim of this thesis was to investigate the effects of some of these external factors, namely caffeine, non-oily fish consumption and time of day. A secondary aim was to evaluate the use of a novel virtual assessment as a possible tool for the early detection of AD. Healthy elderly participants over the age of sixty wi

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21

Galitz, Christopher Lee. "The Effects of Early-Age Stress on the Elastic and Viscoelastic Behavior of Cement Paste." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/56988.

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The viscoelastic behavior of concrete, nearly completely attributable to changes in properties in the cement paste, is an ongoing area of research with the objective of avoiding unpredictable response and potentially failure of concrete structures. This research explores the elastic and viscoelastic response in cement paste beams using relaxation testing, with and without strain reversals in the load history. It was seen that strain reversal imparts significant changes in mechanical response, retarding load relaxation. Companion beams were tested for chemical composition at varying depths i

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Walters, Elizabeth Rachel. "Factors affecting neuropsychological testing in the elderly and the use of a newly developed virtual reality test : implications for the accurate and early diagnosis of Alzheimer's disease." Thesis, University of Bradford, 2013. http://hdl.handle.net/10454/7353.

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Neuropsychological testing is one method used in the diagnosis of Alzheimer’s disease and other cognitive disorders. However, the testing process may be affected by subtle external factors which if not controlled for may have the ability to affect the scores obtained. The primary aim of this thesis was to investigate the effects of some of these external factors, namely caffeine, non-oily fish consumption and time of day. A secondary aim was to evaluate the use of a novel virtual assessment as a possible tool for the early detection of AD. Healthy elderly participants over the age of sixty wit

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23

Cave, Christine. "Living with One Foot in the Grave: the elderly in Early Anglo-Saxon England." Phd thesis, Canberra, ACT : The Australian National University, 2017. http://hdl.handle.net/1885/144492.

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Although historical documents and texts tell us otherwise, it is generally believed, not only by people without the expertise to know better, that nobody lived to what we would consider to be old age in the distant past. While it is certainly true that fewer individuals reached their allotted three score years and ten, most communities would have had people who lived to their seventies, eighties or even nineties. It is not that the elderly didn’t exist, it is that the methods used to identify and age people in the past, combined with current attitudes, have rendered them invisible. This thesis

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Swanson, Eric C. "Higher-Order Unfolding of Peri/Centric Satellite Heterochromatin is an Early and Consistent Event in Cell Senescence: A Dissertation." eScholarship@UMMS, 2014. https://escholarship.umassmed.edu/gsbs_diss/765.

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Cellular senescence is thought to play an essential role in many biological functions including tumor suppression and organismal aging. Senescent cells, which are permanently removed from the cell cycle, can be found both in vivo in many different tissue types and in vitro within cultures of non-immortalized cells. Despite their inability to proliferate, these cells persist and remain metabolically active for indefinite periods of time. This physiologic process occurs in response to a variety of cellular insults including oxidative stress, shortened telomeres, constitutive oncogene expression,

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Swanson, Eric C. "Higher-Order Unfolding of Peri/Centric Satellite Heterochromatin is an Early and Consistent Event in Cell Senescence: A Dissertation." eScholarship@UMMS, 2012. http://escholarship.umassmed.edu/gsbs_diss/765.

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Cellular senescence is thought to play an essential role in many biological functions including tumor suppression and organismal aging. Senescent cells, which are permanently removed from the cell cycle, can be found both in vivo in many different tissue types and in vitro within cultures of non-immortalized cells. Despite their inability to proliferate, these cells persist and remain metabolically active for indefinite periods of time. This physiologic process occurs in response to a variety of cellular insults including oxidative stress, shortened telomeres, constitutive oncogene expression,

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26

Pinola, P. (Pekka). "Hyperandrogenism, menstrual irregularities and polycystic ovary syndrome:impact on female reproductive and metabolic health from early adulthood until menopause." Doctoral thesis, Oulun yliopisto, 2016. http://urn.fi/urn:isbn:9789526213101.

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Abstract Polycystic ovary syndrome (PCOS) is the most common endocrine disorder of women of reproductive age, affecting 5–18% of them. Menstrual irregularities, hyperandrogenemia and obesity are key features in PCOS and they are suggested to be the most important metabolic risks linked to PCOS, but their respective roles are still under debate. Anti-Müllerian hormone (AMH) is involved in sexual differentiation and follicle growth and its level is increased in women with PCOS. The aims of this project were to clarify the significance of menstrual irregularities, hyperandrogenemia and serum leve

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Lee, Matthew L. "Task-based Embedded Assessment of Functional Abilities for Aging in Place." Research Showcase @ CMU, 2012. http://repository.cmu.edu/dissertations/88.

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Many older adults desire to maintain their quality of life by living and aging independently in their own homes. However, it is difficult for older adults to notice and track the subtle changes in their own abilities because these abilities can change gradually over a long period of time. Technology in the form of ubiquitous sensors embedded in objects in the home can play a role in keeping track of the functional abilities of individuals unobtrusively, objectively, and continuously over a long period of time. This work introduces a sensing technique called “task-based embedded assessment” tha

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Jobe, John Andrew. "Grandparents raising grandchildren: support and resource-related issues." Kansas State University, 2012. http://hdl.handle.net/2097/15164.

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Master of Science<br>Department of Family Studies Human Services<br>Rick J. Scheidt<br>Currently in the United States there are 2.7 million grandparent caregivers caring for 5.4 million grandchildren, with 883,386 of these grandparents caring for their grandchildren without any assistance from the child’s biological parent. These grandparents have unique needs and require support services that understand and recognize those needs. However, many of the resources currently available are not designed to assist this population. This report explores many of the issues grandparents face when takin

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PROIETTI, VALENTINA MARIA. "How early and later-acquired experience affects the age bias in face recognition: an exploration of age-of-acquisition effects." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2015. http://hdl.handle.net/10281/75273.

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In this doctoral dissertation I present some of the studies conducted during my PhD aimed to investigate how face processing abilities develop across the lifespan and how the face representation system adapts to reflect each individual's social experience. As adults we are expert at processing faces; nevertheless our ability is greater for some categories of faces than for others, giving rise to recognition biases based on social dimensions such as species, race and age. These biases have been interpreted as a result of the interaction between individual motivation and perceptual experience pr

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Baldow, Christoph, Lars Thielecke, and Ingmar Glauche. "Model Based Analysis of Clonal Developments Allows for Early Detection of Monoclonal Conversion and Leukemia." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-221771.

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The availability of several methods to unambiguously mark individual cells has strongly fostered the understanding of clonal developments in hematopoiesis and other stem cell driven regenerative tissues. While cellular barcoding is the method of choice for experimental studies, patients that underwent gene therapy carry a unique insertional mark within the transplanted cells originating from the integration of the retroviral vector. Close monitoring of such patients allows accessing their clonal dynamics, however, the early detection of events that predict monoclonal conversion and potentially

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Baldow, Christoph, Lars Thielecke, and Ingmar Glauche. "Model Based Analysis of Clonal Developments Allows for Early Detection of Monoclonal Conversion and Leukemia." Public Library of Science, 2016. https://tud.qucosa.de/id/qucosa%3A30226.

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The availability of several methods to unambiguously mark individual cells has strongly fostered the understanding of clonal developments in hematopoiesis and other stem cell driven regenerative tissues. While cellular barcoding is the method of choice for experimental studies, patients that underwent gene therapy carry a unique insertional mark within the transplanted cells originating from the integration of the retroviral vector. Close monitoring of such patients allows accessing their clonal dynamics, however, the early detection of events that predict monoclonal conversion and potentially

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Kaddachi, Firas. "Technological Approach for Early and Unobtrusive Detection of Possible Health Changes toward Better Adaptation of Services for Elderly People." Thesis, Montpellier, 2018. http://www.theses.fr/2018MONTS047/document.

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Les capacités physiques et cognitives diminuent considérablement à cause du vieillissement. Les problèmes de santé liées au vieillissement présentent une grande charge pour la santé publique. Aujourd’hui, les services gériatriques ne sont pas suffisants pour détecter les problèmes de santé dans les premiers stades de leur évolution, dans le but d’améliorer l’évaluation et l’intervention médicale des personnes âgées. Traduire ces besoins gériatriques à travers les services existants est essentiel pour améliorer leur impact. Dans le cadre de ma thèse, je propose une approche technologique qui ut

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Tales, Andrea. "Early visual processing in ageing and Alzheimer's disease." Thesis, University of Bristol, 1999. http://hdl.handle.net/1983/3f84838a-71e5-4937-8368-d0743bd9e007.

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Sheldon, Dania S. K. "'Unregarded age' : texts and contexts for elderly characters in English Renaissance drama, c.1480-1625." Thesis, University of Oxford, 2000. http://ora.ox.ac.uk/objects/uuid:20f5d513-2121-4cb6-afcb-de9846ab9a8e.

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This study seeks to provide historical and literary contexts for elderly characters from English play-texts c.1580 to 1625. Its primary aim, from a literary perspective, is to draw attention to the ways that a better understanding of elderly characterisation can enrich the appreciation of much-studied play-texts, and to indicate some interesting features of more obscure ones. Its secondary aim is to suggest the value, for social historians of old age in early modern England, of play-texts as social evidence. I have examined most of the published extant play-texts of the period, and have found

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Gilchrist, Chelsea L. "The Impact of Intergenerational Programs: Evidence for Expansion." Miami University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=miami1400242361.

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Waters, Claire. "Act your age : reading and performing Shakespeare's ageing women." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:c649607e-96f3-4476-a4eb-13e7ecd2db02.

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This thesis provides the first study of the representation, performance, and reception of Shakespeare’s ageing women in early modern and present-day England. It contributes an exposition of the physiology and theory of early modern ageing, drawing on this original material to make an argument for the ageing woman as a source of anxiety within the plays as they were originally staged, and as they are performed and received today. It finds the old and ageing woman in Shakespeare’s drama to be represented as physically and verbally excessive; the thesis also identifies a corresponding urge in the

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Tilgner, Katharina Dorothea. "Mechanisms of renal ageing in a rodent model of developmental programming arising from early catch-up growth." Thesis, King's College London (University of London), 2016. https://kclpure.kcl.ac.uk/portal/en/theses/mechanisms-of-renal-ageing-in-a-rodent-model-of-developmental-programming-arising-from-early-catchup-growth(b8b5cc8e-c807-41c1-a781-3fb60f1b03d3).html.

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This thesis examines the underlying mechanisms of how in utero growth restriction (IUGR), followed by postnatal catch-up growth, predisposes the offspring to accelerated renal ageing. Advanced renal ageing following in utero nutritional deprivation has been indicated in large population cohort studies, such as the Dutch Hunger Winter or the Leningrad Siege. To address potential mechanisms contributing to accelerated renal ageing, an established rodent model was used in which IUGR is achieved by dietary protein restriction in pregnant Wistar rats. An enhanced nutritional plane after IUGR has be

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Ferraz, Lúcia Teixeira Lopes. "O câncer de mama em mulheres envelhescentes e idosas." Pontifícia Universidade Católica de São Paulo, 2006. https://tede2.pucsp.br/handle/handle/12496.

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Made available in DSpace on 2016-04-27T18:47:21Z (GMT). No. of bitstreams: 1 GER - Lucia Teixeira Lopes Ferraz.pdf: 467462 bytes, checksum: 9ddea662708bc1faaa404dcdd0a6ffbc (MD5) Previous issue date: 2006-10-02<br>The early detection and prevention of breast cancer in middle age and elderly age women, through the analysis of their bodily symptoms, is the main purpose of this article. The world is undergoing a transformation both in its demography and in its epidemiology. Demographically, the aging of our population is a direct consequence of the increase of the life expectancy. Thought

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McCann, Bryony June. "An examination of hippocampal subfields in healthy ageing and early-stage Alzheimer's disease using 3 T magnetic resonance imaging." Thesis, University of Bristol, 2017. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.730896.

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Tee, Sheng Ji. "Ageing assessment of transformer insulation through oil test database analysis." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/ageing-assessment-of-transformer-insulation-through-oil-test-database-analysis(9d99e3a3-8795-4b85-a484-48fae2f02d2e).html.

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Transformer ageing is inevitable and it is a challenge for utilities to manage a large fleet of ageing transformers. This means the need for monitoring transformer condition. One of the most widely used methods is oil sampling and testing. Databases of oil test records hence manifest as a great source of information for facilitating transformer ageing assessment and asset management. In this work, databases from three UK utilities including about 4,600 transformers and 65,000 oil test entries were processed, cleaned and analysed. The procedures used could help asset managers in how to approach

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Robbins, Kimberly D. "The Origin of a Sense of Self in Women." Antioch University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=antioch1346965956.

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Aulinas, Masó Anna. "Investigation of the telomere maintenance system in Cushing’s syndrome: A contribution to the phenomena of early ageing and specific morbidity." Doctoral thesis, Universitat Autònoma de Barcelona, 2015. http://hdl.handle.net/10803/298320.

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La síndrome de Cushing (SC), una malaltia minoritària per secreció excessiva de cortisol, s'associa a augment de morbi-mortalitat, inclús després del tractament, comparat amb població de referència i s'associa a processos d'envelliment prematur. Per altra banda, els telòmers són seqüències de DNA essencials per mantenir l'estabilitat genòmica. Sense telòmers, el material genètic es perdria després de cada divisió cel·lular; quan aquests són críticament curts, es paren les divisions cel·lulars, s'indueix la senescència i apoptosi. Per evitar l'escurçament de la longitud telomèrica (LT) es prod

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Kam, Grace Lee. "Determination of disease progression with early toxin-induced neuropathology in the ageing mutant SOD mouse model of amyotrophic lateral sclerosis." Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/39954.

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Adult onset amyotrophic lateral sclerosis (ALS) poses progressive and irreversible functional deficits to the central nervous system due to loss of motor neurons, caused by some poorly characterized, multifactorial etiology. Research focused on sporadic ALS cases with vastly greater incidence than hereditary ALS describes the potential causes to be of environmental origin. The discovery of endemic ALS in the native Chamorro population of Guam during the 1950s and the co-occurence of Parkinsonism and dementia led to searches for an environmental cause. To determine whether a genetic predispo

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Sismour, Edward Norbert. "Contributions to the early life histories of alewife (Alosa pseudoharengus) and blueback herring (Alosa aestivalis): Rearing, identification, ageing, and ecology." W&M ScholarWorks, 1994. https://scholarworks.wm.edu/etd/1539616856.

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Early life histories of alewife (Alosa pseudoharengus) and blueback herring (A. aestivalis), collectively known as river herring, are poorly documented for Chesapeake Bay populations. Improved knowledge of these early life histories potentially will aid fisheries, habitat and resource management. Investigations were conducted following two lines. First, alewife and blueback herring larvae reared from eggs were used to investigate methods for species identification and to validate the otolith increment method for age determination. Blueback herring larvae hatched from naturally-spawned eggs wer

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Da, Silva domingues Elizabeth. "Improved condition monitoring of composite insulators." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/improved-condition-monitoring-of-composite-insulators(d42e15fb-d9c2-4e45-94b9-3321e9d9b9f0).html.

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Although the cost of investment in power lines insulators is 3-5% of the total cost of the installation, the impact of their performance on reliability, failure costs, maintenance routines, etc in power systems is tens of times higher. Composite insulators were introduced 50 years ago and have been used around the world with consistently good experience. Low weight, easy handling, good performance under high pollution, low maintenance costs, and resistance to vandalism are some of their advantages. Nevertheless, acid rain, salty dust deposition, corona discharges, ozone, UV radiation, and humi

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Rallières, Olivier. "Modélisation et caractérisation de Piles A Combustible et Electrolyseurs PEM." Phd thesis, Institut National Polytechnique de Toulouse - INPT, 2011. http://tel.archives-ouvertes.fr/tel-00819317.

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Cette thèse s'inscrit dans le contexte de la production et de l'utilisation du vecteur énergétique hydrogène dont le potentiel est très prometteur dans un paysage énergétique renouvelé. Plus exactement, cette étude traite des électrolyseurs et des piles à combustible de technologie PEM (membranes échanges de protons) fonctionnant à basse température. Dans une très large majorité, les études présentées ici se sont inscrites en partenariat étroit avec HELION Hydrogen Power, notamment dans le cadre du projet ANR AIRELLES (2008- 2011). Tout d'abord sont posées les bases de modèles (quasi-statique,

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Marceau, Ross Kevin William. "Design in Light Alloys by Understanding the Solute Clustering Processes During the Early Stages of Age Hardening in Al-Cu-Mg Alloys." Thesis, The University of Sydney, 2008. http://hdl.handle.net/2123/4008.

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The evolution of atomistic-level nanostructure during the early stages of both standard, high-temperature T6 heat treatment, and low-temperature secondary ageing after interruption of the former (T6I4), has been investigated in rapid hardening Al-Cu-Mg alloys using a variety of microscopy and microanalytical techniques, including transmission electron microscopy (TEM), positron annihilation spectroscopy (PAS) and atom probe tomography (APT). In order to carry out this objective, quantitative data-analysis methods were developed with respect to new cluster-finding algorithms, specifically desig

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Marceau, Ross Kevin William. "Design in Light Alloys by Understanding the Solute Clustering Processes During the Early Stages of Age Hardening in Al-Cu-Mg Alloys." University of Sydney, 2008. http://hdl.handle.net/2123/4008.

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Doctor of Philosophy (PhD)<br>The evolution of atomistic-level nanostructure during the early stages of both standard, high-temperature T6 heat treatment, and low-temperature secondary ageing after interruption of the former (T6I4), has been investigated in rapid hardening Al-Cu-Mg alloys using a variety of microscopy and microanalytical techniques, including transmission electron microscopy (TEM), positron annihilation spectroscopy (PAS) and atom probe tomography (APT). In order to carry out this objective, quantitative data-analysis methods were developed with respect to new cluster-finding

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Honorio, de Faria Tulio. "Modelling Concrete Behaviour At Early-Age : Multiscale Analysis And Simulation Of A Massive Disposal Structure." Thesis, Cachan, Ecole normale supérieure, 2015. http://www.theses.fr/2015DENS0045/document.

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La prédiction précise du comportement à long et court terme des structures en béton dans le domaine nucléaire est essentielle pour assurer des performances optimales (intégrité, capacité de confinement) pendant leur durée de vie. Dans le cas particulier des structures massives en béton, la chaleur produite au jeune âge par les processus d'hydratation ne peut pas s’évacuer rapidement, si bien que des températures élevées peuvent être atteintes et les gradients de température qui en résultent peuvent conduire à la fissuration, en fonction des conditions aux limites et contraintes internes auxque

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Adhikari, Prakash. "Novel pupillometry protocols for the early detection of melanopsin dysfunction in glaucoma." Thesis, Queensland University of Technology, 2017. https://eprints.qut.edu.au/102656/8/Prakash_Adhikari_Thesis.pdf.

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This thesis developed new pupillometry paradigms to objectively measure melanopsin function in humans with healthy or diseased eyes. It was determined that melanopsin function is independent of age and refractive error. The novel quadrant field pupil protocols detected melanopsin dysfunction in the very early stages of glaucoma (in suspects) when it is difficult to detect visual dysfunction with conventional ophthalmic tests. The outcomes advance understanding of melanopsin function in humans and introduce optimised pupillometry protocols for translation to clinical settings to guide treatment

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