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13,017 results for “Positionning”
Adequate vitamin A liver stores estimated by the Modified-Relative Dose Response test are positively associated with breastfeeding but not vitamin A supplementation in Senegalese urban children 9-23 months old: a comparative cross-sectional study
<p><span><span><span><span><span><span><span><span><span><span><span>Vitamin A supplementation (VAS) in 6-59 month old children is recommended but its sustainability is currently questioned. In Senegal, data suggest that VAS should be maintained, but geographic and age-related specificities need to be addressed by gathering more evidence on the impact of this program. The objective of this comparative cross-sectional study, conducted in urban settings of Dakar, was to evaluate the effectiveness of VAS on vitamin A liver stores (VALS) among 9-23 month old children. The supplemented group (n = 119) received VAS (either 100 000 UI or 200 000 UI) 2 to 6 months before evaluation while the non-supplemented group (n = 110) had not received VAS during the past 6 months. VALS were assessed using the modified-relative dose response (MRDR) test. Serum retinol concentrations (SR) and biomarkers of subclinical inflammation were measured. Children's health-related data and feeding patterns were collected. Mean MRDR values (VAS: 0.030 ± 0.017, non-VAS: 0.028 ± 0.016, P = 0.39) and inflammation-adjusted SR (VAS: 1.34 ± 0.37, non-VAS: 1.3 ± 0.35, P = 0.51) of children were adequate. Low prevalence of VALS (VAS: 5.2%, non-VAS: 5.4%) and inflammation-adjusted VAD (VAS: 2.6%, non-VAS: 0.9%) were detected despite high presence of infections and inflammation. Children were mostly still being breastfed (VAS: 85.7%, non-VAS: 77.3%) and complementary feeding indicators were similar in both groups. Only breastfeeding was associated with VALS (adjusted OR = 0.24, 95% CI: 0.07-0.8, P = 0.02). Based on MRDR values, VAS was not related to improved VALS and SR as well as VAD reduction among these children with adequate VALS. Reinforcing breastfeeding advocacy and morbidity prevention/control are essential in this setting. Scaling-back VAS in this subpopulation should be examined regarding the risk of hypervitaminosis A. However, an evaluation of dietary VA intake sufficiency and a more quantitative assessment of VALS should be prior considered.</span></span></span></span></span></span></span></span></span></span></span></p>
Appendices to 'The genetic Position of Anindilyakwa' paper
<p>This is the dataset that is referred to in the paper 'The genetic Position of Anindilyakwa'. It contains all the cognate words that have been uncovered between the North Australian languages Anindilyakwa, Wubuy and Ngandi.</p>
Differences in single positive formal thought disorder symptoms between closely matched acute patients with schizophrenia and mania
<p>Data related to the manuscript "<strong>Differences in single positive formal thought disorder symptoms between closely matched acute patients with schizophrenia and mania"</strong></p>
Figure 5 from: Sorokina VS, Ovtshinnikova OG (2020) The position of the Azeliinae in the Muscidae (Diptera) based on musculature of the male terminalia. ZooKeys 975: 87-110. https://doi.org/10.3897/zookeys.975.55502
Figure 5 Muscina stabulans (Fallén, 1817). Male pregenital segments, inner view. Upper musclesISM 5 removed left and lower musclesISM 5 removed right.
Figure 2 from: Sorokina VS, Ovtshinnikova OG (2020) The position of the Azeliinae in the Muscidae (Diptera) based on musculature of the male terminalia. ZooKeys 975: 87-110. https://doi.org/10.3897/zookeys.975.55502
Figure 2 Male genitalia of Drymeia firthiana (Huckett, 1965) A hypandrium, inner view B aedeagal complex, lateral view.
Figure 1 from: Sorokina VS, Ovtshinnikova OG (2020) The position of the Azeliinae in the Muscidae (Diptera) based on musculature of the male terminalia. ZooKeys 975: 87-110. https://doi.org/10.3897/zookeys.975.55502
Figure 1 Drymeia firthiana (Huckett, 1965). Male pregenital segments, inner view. Upper musclesISM 5 removed left and lower musclesISM 5 removed right.
Figure 3 from: Sorokina VS, Ovtshinnikova OG (2020) The position of the Azeliinae in the Muscidae (Diptera) based on musculature of the male terminalia. ZooKeys 975: 87-110. https://doi.org/10.3897/zookeys.975.55502
Figure 3 Male genitalia of Drymeia firthiana (Huckett, 1965) A genitalia, lateral view B epandrial complex, dorsal view.
Figure 9 from: Sorokina VS, Ovtshinnikova OG (2020) The position of the Azeliinae in the Muscidae (Diptera) based on musculature of the male terminalia. ZooKeys 975: 87-110. https://doi.org/10.3897/zookeys.975.55502
Figure 9 Male genitalia of Drymeia firthiana (Huckett, 1965) A aedeagal complex, lateral view, with muscles M 1, M 21, M 22, M 23, M 23 and part of hypandrium, epiphallus removed B aedeagal complex, lateral view, sclerites C genitalia, lateral view, with muscles M 18 r, M 18 l and M 5 D genitalia, lateral view, sclerites E surstyli and subepandrial sclerite, inner view, with muscles M 4, M 3 F epandrial complex, inner view, sclerites.
Figure 7 from: Sorokina VS, Ovtshinnikova OG (2020) The position of the Azeliinae in the Muscidae (Diptera) based on musculature of the male terminalia. ZooKeys 975: 87-110. https://doi.org/10.3897/zookeys.975.55502
Figure 7 Male genitalia of Muscina stabulans (Fallén, 1817) A genitalia, lateral view B epandrial complex, dorsal view.
Figure 6 from: Sorokina VS, Ovtshinnikova OG (2020) The position of the Azeliinae in the Muscidae (Diptera) based on musculature of the male terminalia. ZooKeys 975: 87-110. https://doi.org/10.3897/zookeys.975.55502
Figure 6 Male genitalia of Muscina stabulans (Fallén, 1817) A hypandrium, inner view B aedeagal complex, lateral view.
Dataset accompanying article: On Linear and Circular Approach to GPS Data Processing: Analyses of the Horizontal Positioning Deviations Based on the Adriatic Region IGS Observables
<p>The dataset accompanies journal article: On Linear and Circular Approach to GPS Data Processing: Analyses of the Horizontal Positioning Deviations Based on the Adriatic Region IGS Observables published on 21 January 2021 in Data. </p> <p>SINEX, RINEX, position solution files, logs used for positional accuracy and deviation distribution of IGS observables and additional figures with results are included. Dataset covers period from 10th to 20th of March 2017. </p> <p>IGS SINEX combined weekly station position/velocity solutions were retrieved from the online archives of the Crustal Dynamics Data Information System (CDDIS), NASA Goddard Space Flight Center, Greenbelt, MD, USA, available at: ftp://cddis.nasa.gov/gnss/products/. Please note that from from October 31, 2020 anonymous ftp service has been discontinued. Access with examples is available via HTTPS or ftp-ssl from <a href="https://cddis.nasa.gov/Data_and_Derived_Products/CDDIS_Archive_Access.html">CDDIS Archive</a></p> <p>RINEX observation and navigation files were retrieved from IGS repository available at: ftp://igs.ign.fr/pub/igs/data/</p> <p>Position solution files were determined with <a href="https://github.com/tomojitakasu/RTKLIB_bin/">RTKLIB</a>: An Open Source Program Package for GNSS Positioning, version 2.4.3 b33 available</p> <p>Please cite respective sources accordingly.</p> <p> </p>
Figure 6 from: Naseka AM, Renaud CB (2020) Morphology-based taxonomic re-assessment of the Arctic lamprey, Lethenteron camtschaticum (Tilesius, 1811) and taxonomic position of other members of the genus. ZooKeys 991: 1-67. https://doi.org/10.3897/zookeys.991.54938
Figure 6 Oral disc of syntype of Lampetra morii, CMNFI 1986–757 (formerly part of ZIN 23145), 171 mm TL. Photograph by George Ben-Tchavtchavadze, University of Ottawa, pre–1982.
Figure 5 from: Naseka AM, Renaud CB (2020) Morphology-based taxonomic re-assessment of the Arctic lamprey, Lethenteron camtschaticum (Tilesius, 1811) and taxonomic position of other members of the genus. ZooKeys 991: 1-67. https://doi.org/10.3897/zookeys.991.54938
Figure 5 Oral disc of Lethenteron reissneri, ZIN 25204, 146 mm TL with two rows of posterials from Tym' River, Sakhalin Island, Russia.
Figure 1 from: Naseka AM, Renaud CB (2020) Morphology-based taxonomic re-assessment of the Arctic lamprey, Lethenteron camtschaticum (Tilesius, 1811) and taxonomic position of other members of the genus. ZooKeys 991: 1-67. https://doi.org/10.3897/zookeys.991.54938
Figure 1 Geographic distribution of the lamprey genus Lethenteron in Eurasia based strictly on the examination of type material of Petromyzon marinus camtschaticus (●), Petromyzon kessleri (■), Lampetra japonica septentrionalis (▲) and ZIN material identified by Berg (1931) as Lampetra japonica japonica (○), La. j. kessleri (□), and La. j. septentrionalis (∆). Note that the easternmost record of La. j. kessleri from the Anadyr Estuary has been re-identified as Le. camtschaticum.
Figure 2 from: Naseka AM, Renaud CB (2020) Morphology-based taxonomic re-assessment of the Arctic lamprey, Lethenteron camtschaticum (Tilesius, 1811) and taxonomic position of other members of the genus. ZooKeys 991: 1-67. https://doi.org/10.3897/zookeys.991.54938
Figure 2 Oral disc of neotype of Petromyzon marinus camtschaticus and lectotype of P. japonicus, ZMB 6475, 418.3 mm TL.
Data from: Widespread variation in stable isotope trophic position estimates: patterns, causes, and potential consequences
<p>Stable isotope analysis is one of the most widely used techniques to estimate trophic position and provides fundamental insight into the structure and management of ecological communities. To account for the effects of geographic variation in isotope levels, trophic position is typically estimated relative to an isotope "baseline" (i.e., material representing geographic variation) using a methodology such as a formula or statistical analysis. There is, however, remarkable variation in the baselines and methodologies used to estimate trophic position from stable isotopes. The consequences of this lack of standardization are unknown but could result in biased or erroneous conclusions. We conducted a literature review to quantify the variation in baselines and methodologies used to estimate trophic position from stable isotopes. Next, we assessed the consequences of this variation on individual species estimates and food web structure by extracting published trophic positions and applying various baselines and methodologies to existing datasets. We identified ten baselines and eight methodologies, the use of which varied by ecosystem studied. Moreover, we found that different baselines and methodologies yield significantly different trophic position estimates for individual species, as well as different conclusions about food web structure. Authors should avoid biological interpretations of absolute, stand-alone trophic positions (as these are prone to a number of biases). We recommend pairing stable isotope analysis with other techniques for more robust conclusions. Increased sample size may mitigate some of the variation caused by different baselines and methodologies; however, an alarmingly large proportion of studies collected only one sample in at least one trophic group (41% of all reviewed studies). Authors should collect a minimum of five samples per trophic group (but ten for best-practices) from as many trophic groups as possible to increase statistical power and redundancy in comparisons. When sample size is unavoidably constrained, we recommend using compound-specific isotope analysis with a taxon-specific trophic discrimination factor, because it may be more accurate and require fewer samples to maintain appropriate statistical power. Implementing our recommendations will increase the robustness and accuracy of conclusions based on stable isotopes, resulting in better management decisions and a more accurate understanding of ecological communities.</p>
FIGURE 23 in Life stages and phylogenetic position of the wool carder bee mite Sennertionyx manicati (Acari: Acaridae)
FIGURE 23. Sennertionyx manicati. Egg.
FIGURE 22 in Life stages and phylogenetic position of the wool carder bee mite Sennertionyx manicati (Acari: Acaridae)
FIGURE 22. Sennertionyx manicati (larva). A, leg I; B, leg II; C, leg III; D, leg IV.
FIGURE 20 in Life stages and phylogenetic position of the wool carder bee mite Sennertionyx manicati (Acari: Acaridae)
FIGURE 20. Sennertionyx manicati (protonymph). A, leg I; B, leg II; C, leg III; D, leg IV.
FIGURE 16 in Life stages and phylogenetic position of the wool carder bee mite Sennertionyx manicati (Acari: Acaridae)
FIGURE 16. Sennertionyx manicati (deutonymph). A, leg I; B, leg II; C, leg III; D, leg IV.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.