Results 11 to 20 of about 5,751,052 (300)

Age-related cellular copper dynamics in the fungal ageing model Podospora anserina and in ageing human fibroblasts. [PDF]

PLoS ONE, 2009
In previous investigations an impact of cellular copper homeostasis on ageing of the ascomycete Podospora anserina has been demonstrated. Here we provide new data indicating that mitochondria play a major role in this process.
Christian Q Scheckhuber, Jürgen Grief, Emmanuelle Boilan, Karin Luce, Florence Debacq-Chainiaux, Claudia Rittmeyer, Ricardo Gredilla, Bernd O Kolbesen, Olivier Toussaint, Heinz D Osiewacz   +9 more
doaj   +3 more sources

Terracotta mould and bronze dagger from Grotta dei Baffoni (Genga – AN): analysis, replica and interpretation

IpoTESI di Preistoria, 2022
A recent revision of the stratigraphic sequence and the finds from the excavations by Anton Mario Radmilli in 1952 and 1954 in the Grotta dei Baffoni Cave near Genga, included also a particular object consisting of a ceramic block with a sub-trapezoidal ...
Gaia Pignocchi, Marcello Cabibbo, Mauro Fiorentini, Alessandro Montanari   +3 more
doaj   +1 more source

Der Übergang vom Neolithikum zur Kupferzeit in Mitteldeutschland aus siedlungsgeographischer Sicht

Journal of Neolithic Archaeology, 2012
The copper age begins in Central Germany with the Gatersleben culture. The settlements of this culture are situated in such areas, in which the contemporaneous Roessen culture is missing.
Sven Ostritz
doaj   +1 more source

Small Houses of the Dead: A Model of Collective Funerary Activity in the Chalcolithic Tombs of Southwestern Iberia. La Orden-Seminario Site (Huelva, Spain)

Open Archaeology, 2023
This study analyses the funerary activity of small collective tombs with a limited number of individuals in the southwest of the Iberian Peninsula during the Copper Age.
Linares-Catela José Antonio, Vera-Rodríguez Juan Carlos   +1 more
doaj   +1 more source

New evidence on the Copper Age in the Yantra River Valley: the settlement site of Orlovets–Erendzhika

Studia Praehistorica, 2021
The article presents the results of a receintly excavated site near the village of Orlovets in the eastern part of present-day central north Bulgaria. The trenches had a total area of 77 sq. m, and the archaeological excavations were carried out in 2003
Stefan Chohadzhiev
doaj   +1 more source

Human Mobility and the Spread of Innovations – Case Studies from Neolithic Central and Southeast Europe

Open Archaeology, 2023
The spread of innovations is an important driver for transformation processes in human societies. It is carried by two crucial conditions – the flow of information and the adoption/appropriation of the innovation.
Scharl Silviane
doaj   +1 more source

Refining the chronology of North America’s copper using traditions: A macroscalar approach via Bayesian modeling

PLoS ONE, 2022
North America’s ancient copper use, predicted to originate as early as 9000 cal BP, represents the earliest use of native copper for utilitarian tool production in the world. Although recent work has focused on establishing the first use of copper in the
Michelle R. Bebber, Briggs Buchanan, Jacob Holland-Lulewicz   +2 more
doaj   +2 more sources

New challenges in the study of lithic raw materials in central Italy at the dawn of metal working societies: La Pietra and other radiolarite quarry-workshops in Tuscany

Journal of Lithic Studies, 2016
In central-southern Tuscany radiolarite has been used as a lithic raw material throughout prehistory. During the Copper Age it was selected for the local production of leaf-shaped artefacts. In the area considered, the Copper Age record is almost totally
Sem Scaramucci, Vanessa Volpi, Armando Costantini, Marco Giamello, Alessandro Donati, Biancamaria Aranguren, Adriana Moroni   +6 more
doaj   +1 more source

Theft in Price-Volatile Markets: On the Relationship between Copper Price and Copper Theft [PDF]

, 2011
Recently, against a backdrop of general reductions in acquisitive crime, increases have been observed in the frequency of metal theft offences. This is generally attributed to increases in metal prices in response to global demand exceeding supply.
Belur, J, Sidebottom, A, Shane D. Johnson, Johnson, SD, Bowers, K, Jyoti Belur, Lisa Tompson, Aiden Sidebottom, Kate Bowers, Tompson, L   +9 more
core   +1 more source

Plasma zinc, copper and serum ceruloplasmin levels of autism spectrum disorder children in Bangladesh

Heliyon, 2023
Neural and cognitive processes require zinc and copper homeostasis and a normal zinc/copper ratio. Ceruloplasmin, an intrinsic antioxidant protein, maintains copper homeostasis, which might also influence autism spectrum disorder (ASD).
Umme Raihan Siddiqi, Shelina Begum, Shorifa Shahjadi, Sharmin Afroz, Syeda Nusrat Mahruba, Jobaida Parvin, Md Mahbubur Rahman   +6 more
doaj   +1 more source