Results 111 to 120 of about 504,614 (339)

Opium trade and use during the Late Bronze Age: Organic residue analysis of ceramic vessels from the burials of Tel Yehud, Israel

open access: yesArchaeometry, EarlyView., 2022
Abstract Organic residue analysis was conducted on various vessels from burials at Tel Yehud, Israel. The analyses led to new reliable evidence for the presence of opioid alkaloids and their decomposition products. This research revitalizes a decades‐old discussion on the presence and function of the opium trade across a cultural region of utmost ...
Vanessa Linares   +5 more
wiley   +1 more source

From armadillos to sloths: Patterns and variations in xenarthran coronary anatomy

open access: yesThe Anatomical Record, EarlyView.
Abstract Species of the superorder Xenarthra play a vital ecological role in the Neotropics. Despite their evolutionary significance, anatomical studies on their coronary circulation remain scarce. This study investigated the coronary anatomy of 82 hearts from nine Xenarthra species across the Dasypodidae, Myrmecophagidae, and Bradypodidae.
Wilson Viotto‐Souza   +5 more
wiley   +1 more source

Technology‐enhanced learning in higher education institutions: Exploring the lived experiences of students with specific learning differences and their lecturers

open access: yesBritish Educational Research Journal, EarlyView.
Abstract This paper challenges the prevailing assumption that technology‐enhanced learning (TEL) inherently benefits all students in higher education, examining how undergraduate students with specific learning differences (SpLDs) and/or autism spectrum disorder (ASD) use technology for learning.
Alexia Achtypi   +3 more
wiley   +1 more source

Perished latex [PDF]

open access: yesAnaesthesia, 1989
D N, Sutton, V L, Thomas
openaire   +2 more sources

Does education policy affect teachers' learning needs? An international comparison of trends in teachers' continuing professional learning needs in secondary schools in Australia, England, Japan and the Netherlands

open access: yesBritish Educational Research Journal, EarlyView.
Abstract Education policy changes are believed to influence teachers' continuing professional learning (CPL) needs, but there is limited empirical evidence to support these claims. This lack of deep understanding has significant practical implications. This study used a new circular conceptual framework to analyse teachers' CPL needs. Leveraging public
Rikkert M. van der Lans   +6 more
wiley   +1 more source

Laboratory experimental of ballast–bituminous–latex–roving (Ballbilar) layer for conventional rail track structure

open access: yesJournal of the Mechanical Behavior of Materials
Ballast structures continue to be utilized in Indonesia’s railway system. They are essential for conventional railway lines, which experience high levels of stress and are susceptible to damage from train traffic. This study examined the utilization of a
Setiawan Dian M.   +6 more
doaj   +1 more source

Performance of large virus removal filters during AAV processing: Influence of flux and process disruptions

open access: yesBiotechnology Progress, EarlyView.
Abstract As adeno‐associated viral vectors (AAV) continue to advance through the clinical pipeline, effective downstream purification strategies must be developed to ensure bulk drug purity and safety. AAV are produced within mammalian cells, bringing forth risks associated with viral contamination.
Akshay S. Chaubal   +5 more
wiley   +1 more source

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