Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 25 for “"Bone collagen"”.
-
Microscopic Sampling of Dentine and Bone Collagen: Development of Sampling Methods for Carbon and Nitrogen Isotope Analysis
Sampling methods for dentine and bone collagen have been evolving for several decades. Incremental dentine collagen sampling and bone collagen sampling have been limited by the available technology throughout that time. As the technology for isotope ratio mass spectrometry analysis improves, the …
-
Microscopic Sampling of Dentine and Bone Collagen: Development of Sampling Methods for Carbon and Nitrogen Isotope Analysis
Sampling methods for dentine and bone collagen have been evolving for several decades. Incremental dentine collagen sampling and bone collagen sampling have been limited by the available technology throughout that time. As the technology for isotope ratio mass spectrometry analysis improves, the …
-
Stable carbon and nitrogen isotope ratios in the shallow-water cape hake, merluccius capensis (castelnau) as indicators of trophic position and diet on the west and south coasts of South Africa
… over the turnover time of the muscle tissue and bone collagen analysed. 13C/12C is 1-2%₀ higher in the tissues of a consumer than its diet (DeNiro and Epstein 1978), the difference in 15N/14N between a consumer and its food being 3-4%₀ (DeNiro and Epstein 1981). Both 13C/12C and 15N/14N indicate …
-
An isotopic and historical study of diet and migration during the great Irish Potato famine (1845-1852). High-resolution carbon and nitrogen isotope profiling of teeth to investigate migration and short-term dietary change at the Union workhouse, Kilkenny and Lukin street, London.
… cemetery, Kilkenny, Ireland (1847-51), mean bone collagen isotope values were established for the well-documented Irish pre-Famine potato-based diet (¿15N 10.6¿, ¿13C -19.1¿), and the diet of contemporaneous Londoners (¿15N 12.6¿, ¿13C -19.1¿). The introduction of maize as a short-term Famine …
-
Stable isotope evidence for British Iron Age diet. Inter- and intra-site variation in carbon and nitrogen from bone collagen at Wetwang in East Yorkshire and sites in East Lothian, Hampshire and Cornwall.
… and southern Scotland. Both human and animal bone Collagen has been analysed from Wetwang in East Yorkshire and other sites in East Lothian, Hampshire and Cornwall. Animal bone from Dorset has also been included. The aims of the study were to characterize British Iron Age diet in general …
-
Of fish, pigs and cesspits : a comparative study of stable carbon and nitrogen isotope analyses on animal bone and soil samples from five medieval sites in Belguim
… studies have focused on the analysis of human bone collagen. In this research, human skeletal remains were not available, so ¹³C/¹²C and ¹⁵N/¹⁴N analyses were made on animal bones and soil samples from a medieval fisherman's village, Walraversijde. In addition, samples were analysed from four …
-
Nutritional consequences of prehistoric subsistence strategies in lower Central America
… stable nitrogen isotopic composition of human bone collagen. The effect of a monotonous diet of a starchy grain such as maize on the health of these populations is evaluated through the examination of individual human skeletal remains for macroscopic indications of nutritional stress.
-
Multi-isotope analysis and the reconstruction of prey species palaeomigrations and palaeoecology
… through the stable isotope analysis of teeth and bone, including strontium (87Sr/86Sr), oxygen (d18O), carbon(d13C), nitrogen (d15N) and sulphur (d34S). Teeth (enamel and dentine) were sequentially-sampled in order to reconstruct time-series isotopic profiles at an intra- and inter-individual …
-
The Effects of a Uniformly Weighted Exercise Suit on Biomarkers of Bone Turnover in Response to Aerobic Exercise in Postmenopausal Women with Low Bone Density
… options for maintaining or slowing aging-related bone mineral density (BMD) loss in postmenopausal women primarily include pharmaceutical agents. More recently, physical activity and exercise have been suggested as highly effective, low cost alternatives. Weighted aerobic exercise, utilizing load …
-
The Role of Avifauna in Paleodiet Reconstruction : An Arctic Case Study
… that the spacing between avian tissues (bone collagen, muscle, fat, and feathers) differs from tissue spacings in mammals. Linear mixing models were then used to estimate diet based on new tissue spacing data and isotope data from archaeological bird bone collagen. These results were …
-
Rock hyraxes (Procavia capensis) and their environments : δ13Ccollagen and δ15Ncollagen as environmental indicators
… to quantify the carbon isotopic ratios in their bone collagen to reconstruct diet.
-
Stable carbon isotopes and prehistoric diets in the Eastern Cape Province, South Africa
… of stable carbon isotope ratios in human bone collagen as a means of reconstructing prehistoric diets. The sample population includes 67 skeletons of hunter-gatherers, pastoralists and agriculturalists from the Holocene of the Eastern Cape Province, South Africa. The aims of the thesis …
-
Exploring Social Identity through Stable Isotope Analysis in the Kellis 2 Cemetery
… a proxy for behavior that can be analyzed from bone. Such an approach has been applied on individuals from the Romano-Christian Kellis 2 cemetery in the Dakhleh Oasis to explore diversity of lived experiences in relation to age, sex, and gender. Analysis of stable carbon and nitrogen values from …
-
Diet at medieval Alytus, Lithuania: Stable carbon and nitrogen isotope analysis of bone and dentin collagen
… Alytus (late 14th to early 18th centuries) from bone (N=35) and dentin (N=38) collagen samples. The stable carbon isotopic data suggest a diet primarily comprised of C3 plants such as barley, rye, wheat, and flax, and animals consuming C3 plants. The stable nitrogen isotopic data indicate the use …
-
Stable light isotopes in fauna as environmental proxies in the Southern African winter and year-round rainfall zones
… in large mammals. δ¹³C and δ¹⁵N were measured in bone collagen, and δ¹³C and δ¹⁸O were measured in tooth enamel. Samples were taken from 27 species of indigenous wild mammals in game parks and nature reserves, i.e. relatively undisturbed natural environments. Animal species include primates, …
-
Distribution, diet and kleptoparasitic behaviour of gulls (Aves: Laridae) in the southwestern Cape Province, South Africa
… using stable carbon isotope analysis of bone collagen. Both gulls are generalist foragers feeding on a wide and diverse range of prey species. The Kelp Gull is able to feed on a wider range of prey species than is Hartlaub's Gull due to its larger size. The preferred natural foraging …
-
Exploring Diet and Society in Medieval Spain: New Approaches Using Stable Isotope Analysis
… evidence. Isotope analysis was performed on bone collagen from 126 animals and 210 humans representing Muslims and Christians, sampled from sites in Jaca, Zaragoza, Albarracín, Valencia, Gandía and Benipeixcar (c.11th -16th centuries AD) that follow a geographical transect from the Pyrenees …
-
A paleoenvironmental reconstruction of the Elands Bay area using carbon and nitrogen isotopes in tortoise bone
… angulata (angulate or bowsprit tortoise) bone collagen as a paleoenvironmental proxy, to augment the limited range of proxies preserved in Southern Africa. δ¹³C and δ¹⁵N were measured in 76 archaeological tortoises from Elands Bay Cave and nearby Tortoise Cave. The samples range in age …
-
Foraging ecology and population structuring of baleen whales in the western South Atlantic and eastern South Pacific
… thesis, I taxonomically identified historic whalebone assemblages using biomolecular techniques, conducted stable isotope analysis of bone collagen and baleen, and analysed whaling catch locality data to: (i) provide a baseline on the isotopic niches of baleen whales across the western South …
-
Is the presence of biomolecules evidence for molecular preservation in the fossil record?
… degraded remains of the most common protein in bone, collagen, in terrestrial vertebrates from two time slices that represent the two ends of the preservation spectrum: a "shallow time" study of fossils <150,000 years old from different burial environments (i.e., permafrost, fluvial and hot …
Page 1 of 2