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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

The genetic control of programmed cell death (apoptosis) in human endothelial cells

King, Andrea Rebecca January 1999 (has links)
No description available.

Factors affecting accumulation of lipofuscin age pigment in arthropod neural tissue and its use as an ecological tool for age determination

Fonseca, Duane Barros January 2002 (has links)
This project aimed to explore factors that modulate neurolipofuscin accumulation, using two experimental arthropod species, the locust, Locusta migratoria, and the freshwater crayfish, Pacifastacus leniusculus. The pattern of age-related accumulation of neurolipofuscin in L. migratoria was found to differ from that previously reported for crustaceans, with little accumulation prior to maturity and an exponential increase with high variability thereafter. It was shown, for the first time in any crustacean, that unilateral eyestalk ablation reduces neurolipofuscin accumulation rate in the contra-lateral eyestalk of P. leniusculus. It is hypothesized that this represents either reduced lipofuscinogenesis due to neurohormonal effects on oxidative catabolism or increased lipofuscin degradation by accelerated proteolysis following CNS damage. This finding means that longitudinal measurements of lipfuscin, i.e. in the same individual, by eyestalk biopsy, cannot be used to assessa natural lipofuscin accumulation rates in individuals of unknown age. Neurolipofuscin accumulation rate in ablated signal crayfish was found to be strongly inversely correlated with physiological age, with old individuals generally losing lipofuscin after ablation. Although this pattern is likely to be an artefact of ablation, it is the first quantitative evidence of in vivo reversibility of lipofuscin accumulation for any species and has important gerontological implications. Annual cohorts were detected by modal analysis of a neurolipofuscin concentration histogram for a pond population of P. leniusculus for the first time. Growth curves fitted to the length-at-age data obtained from this analysis were compared with results of three conventional methods for growth curve estimation: size-frequency analysis, anniversary tag-recapture and laboratory rearing. This analysis highlighted problems with extrapolation of growth rates from laboratory rearing to the field. Neurolipofuscin methodology is the only approach that can give age-length data for older individuals in the wild population and measurements of longevity.

Äldres behov och tillgång till aktivitet och social samvaro - Ur vårdpersonalens synvinkel

Melin, Emma January 2014 (has links)
Syftet med den här uppsatsen är att undersöka hur vårdpersonalen på ett äldreboende resonerar kring äldres behov av aktivitet och social samvaro. I arbetet undersöks hur vårdpersonalens rutiner ser ut och hur social samvaro och aktivering prioriteras för de äldre. Jag använt mig av tidigare forskning, semistrukturerade intervjuer och tre teorier – disengagemangsteorin, aktivitetsteorin och signifikanta andra för att svara på frågeställningarna. Genom semistrukturerade intervjuer med tre personer som arbetar på ett äldreboende fann jag att respondenternas svar överensstämmer med tidigare forskning beträffande att aktivering och social samvaro är viktigt för de äldre. Respondenterna anser att tid för aktivering och social samvaro finns för de äldre och att det måste prioriteras om den äldre själv vill och orkar. Vårdpersonalens resonemang liknar både disengagemangsteorin och aktivitetsteorin, personalen anser att det är den äldre själv som bestämmer i vilken mån aktivering och social samvaro ska prioriteras. / <p>140922</p>

Boken om AGNES : erfarenheter av ett projekt om äldre och IT

Nyberg, Annakarin, Waterworth, Eva January 2013 (has links)
Hur kan vi utveckla informationsteknik som passar äldre? Är sådan teknikspeciell, och i så fall hur och varför? Vad innebär det att vara äldre och delta iett sådant forskningsprojekt? Och när projektet är användardrivet och deäldre betraktas som de allra viktigaste deltagarna, vad innebär egentligendet?Det här är några exempel på de frågor som har lyfts i forskningsprojektetAGNES. Boken visar dels på erfarenheter av att skapa och driva ett projektmed syfte att bedriva användardriven teknikutveckling tillsammans medseniorer och representanter från näringsliv, kommun och universitetet. Delsvisar den på de äldres perspektiv på att ha deltagit i utveckling av nyinformationsteknik. / AGNES

Ageing in Australia: Financial Independence and Work Disincentive Issues

r.ong@murdoch.edu.au, Rachel Ong January 2004 (has links)
This thesis investigates issues central to population ageing in Australia. A principal policy concern is financing the retirement incomes of an increasing number of aged retirees from a shrinking working age population. The investigation has two primary aims. The first is to measure the budgetary savings that alternative social security reforms may yield, and the implications of these reforms for the economic wellbeing of the elderly. The second is to examine how the aged can become more self sufficient through an exploration of the potential role of home equity conversion, an understanding of why the labour force participation of mature age Australians is low, and how labour force participation may be promoted as retirement approaches. A microsimulation model is employed to conduct empirical analyses in the context of the new tax system introduced in July 2000. The main microsimulation exercises include measurement of the impacts of potential social security reforms and home equity conversion on the economic well-being of the elderly, and estimation of work disincentive measures, that is, effective marginal tax rates and replacement rates. The Replacement rate estimates are then used in econometric models of labour force participation. Innovative approaches are developed to overcome methodological problems that have prevented the inclusion of replacement rates in previous models. The major findings are that reforms motivated by budgetary savings can have sizeable adverse impacts on the economic well-being of the elderly. Home equity conversion can promote financial independence, but significant risks are borne by elderly homeowners in those states and regions with less buoyant house prices. Blunt work incentives are experienced by specific mature age socio-economic groups, in particular persons whose partners’ incomes help to cushion their economic position on quitting employment. The replacement rate is found to have a significant impact on the participation decision of mature age persons.

The symptomatology of depression in elderly physically ill people

Hammond, Margaret Fay January 2000 (has links)
No description available.

The strength and fatigue resistance of a precipitate strengthened Cu-Ni-Si alloy

Lockyer, Scott Andrew January 1992 (has links)
No description available.

The charecterisation of the adenovirus 2-E1 genes that transform normal rat embryo fibroblasts to immortal cell lines

Patel, M. January 1987 (has links)
No description available.

The Bauschinger effect in high strength naval steels

Brown, Peter January 1999 (has links)
No description available.

Antioxidant vitamins, cerebrovascular disease and cognitive function in elderly people

Gale, Catherine Rose January 1998 (has links)
No description available.

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