Results 21 to 30 of about 709 (138)

A Monoclonal Antibody ELISA-Based Assay for Measuring the Potency of Candidate H5 Clade 2.3.4.4b Pandemic Influenza Vaccines. [PDF]

open access: yesInfluenza Other Respir Viruses
ABSTRACT Background The single radial immunodiffusion (SRID) assay is used to determine the potency of inactivated influenza vaccines. Nevertheless, development of alternative influenza vaccine potency assays with greater sensitivity and less reliance on large quantities of reference reagents is needed.
Odin M, Schmeisser F, Soto J, Weir JP.
europepmc   +2 more sources

Sedimentary Metagenomics Reveal Avian Community Transitions From the Last Glacial Maximum to the Holocene. [PDF]

open access: yesEcol Evol
We used sedimentary ancient DNA shotgun metagenomics to reconstruct past bird communities in northern high‐latitude environments. By using long time series and data collected across a large environmental gradient, we contributed in a unique and explorative way to the understanding of palaeoecological dynamics between birds and their habitat on the ...
Sander MM   +5 more
europepmc   +2 more sources

A Gyrfalcon Falco rusticolus from an Uyghur well in Karabalgasun (Ordu-Baliq), Central Mongolia [PDF]

open access: yes, 2023
A partial skeleton of a female Gyrfalcon, dated at 1044–1214 AD, was excavated in an abandoned well in Karabalgasun, Central Mongolia. Karabalgasun lies in the Orkhon Valley, a landscape of special symbolic, political and spiritual significance in the ...
Hutterer, Rainer   +5 more
core   +1 more source

Nomenclature Updates to the Hemagglutinin Gene Clade Designations Resulting From the Continued Evolution of High Pathogenicity Avian Influenza A(H5) Virus Clades 2.3.2.1c and 2.3.4.4 [PDF]

open access: yesInfluenza Other Respir Viruses
ABSTRACT Background and Methods The evolutionary divergence of the A(H5) hemagglutinin (HA) gene of high pathogenicity avian influenza (HPAI) viruses (A/goose/Guangdong/96 lineage) was analyzed by phylogenetic and average pairwise distance methods to identify clades that merit nomenclature updates.
Lam T   +24 more
europepmc   +2 more sources

Home Range and Habitat Selection of the Endangered Red Goshawk (<i>Erythrotriorchis radiatus</i>) Across Australia's Tropical Savannas. [PDF]

open access: yesEcol Evol
We used long‐term GPS tracking to quantify home‐range size and habitat selection of the endangered Red Goshawk across tropical savannas of northern Australia. Red Goshawks occupied extensive overall home ranges, with well‐defined core ranges centred on nest sites.
MacColl C   +5 more
europepmc   +2 more sources

The Bearded Vulture as an accumulator of historical remains: Insights for future ecological and biocultural studies. [PDF]

open access: yesEcology
Ecology, Volume 106, Issue 9, September 2025.
Margalida A   +5 more
europepmc   +2 more sources

An Emotion and Attention Recognition System to Classify the Level of Engagement to a Video Conversation by Participants in Real Time Using Machine Learning Models and Utilizing a Neural Accelerator Chip

open access: yesAlgorithms, 2022
It is not an easy task for organizers to observe the engagement level of a video meeting audience. This research was conducted to build an intelligent system to enhance the experience of video conversations such as virtual meetings and online classrooms ...
Janith Kodithuwakku   +2 more
doaj   +1 more source

Investigating admixture and selection in gyrfalcon (Falco rusticolus), saker falcon (Falco cherrug) and their hybrids using comparative whole-genome sequencing analysis

open access: yes, 2021
Gyrfalcon (Falco rusticolus) and saker falcon (Falco cherrug) are closely related species and iconic avian apex predators that play crucial ecological roles in their habitats across Eurasia and North America.
FAROOQ OMAR MAAN AL-AJLI (11557168)
core   +1 more source

«ПТИЧИЙ» ЯЗЫК ДИПЛОМАТИЧЕСКОГО ЭТИКЕТА НАРОДОВ ЕВРАЗИЙСКОЙ СТЕПИ В XIII—XV В. [PDF]

open access: yesМатериалы по археологии и истории античного и средневекового Причерноморья
Набор подношений в дипломатическом этикете народов кочевой степи нес определенный символический смысл и декларацию политических и экономических отношений.
Селезнев, Ю.В.
doaj   +1 more source

The Sustainable Trapping of Falcons – is It Possible in Russia and Other CIS Countries?

open access: yesПернатые хищники и их охрана, 2016
This article was prepared according on the analysis of the situation with the poaching and smuggling of falcons (Gyrfalcon Falco rusticolus, Saker Falcon F. cherrug and Peregrine Falcon F. peregrinus) in CIS countries in 2006–2015.
Elvira G. Nikolenko
doaj   +1 more source

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