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Textile-impressed Pottery Revisited: Its Usefulness for Studying Bronze Age Textile Craft in Estonia

100%
Rammo R.
Światowit
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2017
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vol. 56(1)
111-118
EN
Although textile craft is a socially complex and economically significant phenomenon, little is known about textile techniques in the Bronze Age of the eastern shore of the Baltic Sea, including Estonia. No textile or cloth remains dated to the Bronze Age, i.e. between 1800 and 500 BC in the Estonian context, have been found so far. Only indirect evidence such as possible textile tools and impressions on pottery can be used in the study of textile-making. The aim of the present study is to review the available evidence regarding Bronze Age pottery with patterns commonly described as made with textiles, and to systematise it. As a result, it is suggested that the evidence based on these impressions is even more limited than thought so far. Few finds clearly indicate the use of textiles. Regular patterns consisting of variously-shaped concavities on the vessels’ walls may have been made also with other items, for example by rolling fir cones over the surface of a freshly-modelled pot.
2
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Evaluation of biological effects of nanomaterials. Part I. Cyto- and genotoxicity of nanosilver composites applied in textile technologies

100%
Wąsowicz W., Cieślak M., Palus J., Stańczyk M., Dziubałtowska E., Stępnik M., Düchler M.
International Journal of Occupational Medicine and Environmental Health
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2011
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vol. 24
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issue 4
348-358
EN
Objectives: The aim of this study was to investigate the cyto- and genotoxicity of nanocomposites (NCs) and generation of reactive oxygen species (ROS) as a result of particle-cell interactions. Materials and Methods: Titanium dioxide (TiO₂-Ag) and ion-exchange resin (Res-Ag), both coated with silver (Ag), were examined. The murine macrophage J774A.1 cells were incubated in vitro with NC at different concentrations for 24 h. Cytotoxicity was analyzed by the methylthiazolyldiphenyltetrazolium bromide reduction test (MTT reduction test). ROS generation was assessed by incubation of cells with dichlorodihydrofl uorescein diacetate (DCF) and fl ow cytometry. DNA damage was detected by comet assay and included single-strand breaks (SSB), alkali-labile sites (ALS) and oxidative DNA damage after formamidopyrimidine glycosylase (FPG) treatment. The tail moment was used as an indicator of DNA damage. Results: TiO₂-Ag was not cytotoxic up to 200 μg/ml, whereas IC₅₀ for Res-Ag was found to be 23 μg/ml. Intracellular ROS levels were elevated after 4 h of exposure to Res-Ag at the concentration of 50 μg/ml. Both types of NC induced fragmentation of DNA strands, but only one of the composites caused damage to purine bases. TiO₂-Ag induced SSB of DNA at concentrations of 10 and 5 μg/ml. For Res-Ag, a concentration-dependent increase in tail moments was observed. Conclusions: Silver-coated nanocomposites (both TiO₂- Ag and Res-Ag) may cause genotoxic effects in murine macrophages J774A.1. Res-Ag increased generation of ROS which suggested that toxicity of Res-Ag in murine macrophages is likely to be mediated through oxidative stress. This paper will support industry and regulators alike in the assessment of hazards and risks and methods for their mitigation at the earliest possible stage in material and product development.
3
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Tradition and Innovation in Textile Technology in Bronze Age Europe and the Mediterranean

86%
Ulanowska A., Siennicka M.
Światowit
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2017
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vol. 56(1)
9-12
EN
The papers collected in the present volume of the ‘Światowit’ journal examine developments in textile production in Bronze and Iron Age Europe and the Mediterranean by tracing both traditional and innovative elements in textile technology. The issue comprises 11 original contributions that resulted from the session ‘Tradition and Innovation in Textile Technology in Bronze Age Europe and the Mediterranean’ organised in 2016 by Agata Ulanowska and Małgorzata Siennicka during the 22nd Annual Meeting of the European Association of Archaeologists in Vilnius. The papers discuss available archaeological evidence of textiles, textile imprints, textile tools and textile iconography, as well as botanical and faunal remains related to textile manufacture and dyeing. The papers examine the types of social relations and cultural and economic processes which may have enhanced developments in textile technology and impacted on cross-cultural transmission of textile knowledge and skills in the Bronze and Iron Ages.
4
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Innovative or Traditional? Diachronic Approach to Weaving Technology in Bronze Age Greece

86%
Ulanowska A.
Światowit
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2017
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vol. 56(1)
57-73
EN
This paper aims at recognising potential innovations in weaving technology that may have occurred in Bronze Age Greece. It discusses whether these assumed developments may be examined diachronically. This discussion is based on archaeological evidence of textile implements, such as loom weights and presumed traces of warp-weighted looms, as well as knowledge of traditional craft and experimental archaeology. After a short introduction discussing how technical innovations could possibly be recognised in weaving, the paper explores possible changes in the construction and functionality of the warp-weighted loom and potential uses of other types of looms in Greece. A distribution pattern of specific forms of a loom weight, e.g. discoid loom weights in particular, is examined as an innovation responding to the demand for fabrics of specific technical qualities and appearance, possibly associated with a spread of new weaving techniques which accompanied the transmission of these tools. Social relations and modes of organisation of textile production are considered factors that must have had a significant impact on creativity and innovativeness in weaving technology. However, the final conclusion is that specific relations between the organisation of weaving and the occurrence of innovative processes cannot be clearly recognised based on the available evidence.
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