Results 21 to 30 of about 529,470 (307)

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

open access: yesHeliyon, 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   +6 more
doaj   +1 more source

Geo-material provenance and technological properties investigation in Copper Age menhirs production at Allai (central-western Sardinia, Italy) [PDF]

open access: yes, 2017
During the 2nd millennium BC anthropomorphic menhirs belonging to a 3rd millennium BC sanctuary were reused as building material in the Arasseda Nuraghe (Sardinia, Italy).
Cannas, Carla   +2 more
core   +1 more source

Las mujeres en las sociedades campaniformes del interior peninsular [PDF]

open access: yesMunibe Antropologia-Arkeologia
La presente contribución pretende de forma general discutir la frecuencia con la que han aparecido tumbas con enterramientos femeninos sometidos al ritual campaniforme en la región de Madrid.
Corina Liesau Von Lettow-Vorbeck   +1 more
doaj   +1 more source

Orțișoara preistorică - fortificție rondel / Prehistoric Orțișoara, Rondelle type fortification

open access: yesAnalele Banatului. Arheologie-Istorie, 2021
This paper is focused upon a significant quantity of archaeological finds discovered in one of the archaeological surface surveys in the summer of 2010, during my participation at the Timișoara – Arad motorway rescue excavations, next to the village of ...
Sote Angeleski
doaj   +1 more source

Evaluation of zinc and copper levels in vaginal tissues and whole blood: correlation with age

open access: yesBMC Women's Health, 2021
Background Zinc and copper are essential trace elements and play a crucial role in the homeostasis of connective tissues. In this study, we aimed to define zinc and copper levels in the vaginal tissue and establish whether a correlation exists between ...
Anett Csikós   +6 more
doaj   +1 more source

Liver copper concentrations in cull cattle in the UK: are cattle being copper loaded? [PDF]

open access: yes, 2015
With the release of the Department for the Environment, Food and Rural Affairs/Advisory Committee on Animal Feed Guidance Note for Supplementing Copper to Bovines it was noted that the current copper status of the national herd was not known.
Ander, E. Louise   +4 more
core   +2 more sources

Investigating Technological Changes in Copper-Based Metals Using Portable XRF Analysis. A Case Study in Sicily

open access: yesOpen Archaeology, 2017
The introduction of copper-based metals in Sicily appears to have been a particularly late and slow process. A program of pXRF analyses on early metals in Sicily has revealed the use of mostly copper, and a very late introduction of tin.
Vianello Andrea, Tykot Robert H.
doaj   +1 more source

Low Temperature Age-Hardening of Al-12mass % Zn-0.5mass % Cu Alloy [PDF]

open access: yes, 1995
Effect of addition of a small amount of copper to Al- 12mass % Zn binary alloy on the process of low temperature aging is studied by hardness test and transmission electron microscopy.
Kanadani, Teruto   +2 more
core   +1 more source

Deficiencies of the microelements, folate and vitamin B12 in women of the child bearing ages in Gorgan, Northern Iran [PDF]

open access: yes, 2013
Background: The deficiencies of folic acid, vitamin B12, and microelements during pregnancy may affect the health of newborns. Objectives: To assess the serum levels of folate, vitamin B12, iron, zinc and copper in healthy women of the childbearing ages ...
Behnampour, N.   +2 more
core   +1 more source

Sediment-Hosted Copper Mineralization in Bavanat Region, Southern Sanandaj-Sirjan, Iran [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 2019
Sedimentary Copper mineralization has been observed in Monj and Jolany locations in Bavanat (Sanandaj – Sirjan metamorphic belt). According to current study, the host rocks for copper mineralization in this area are green sandstones, generally in ...
Kamal Noori Khankahdani, Mehrdad Karimi
doaj   +1 more source

Home - About - Disclaimer - Privacy