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251 results for “Swabs”
Precision glycerine jelly swab for removing pollen from small and fragile insect specimens
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The Pencil Eraser Swab Technique to Quantify Cutibacterium acnes on Shoulder Skin
<p> Underlying research data for article publication in Journal of Bone and Joint Infection</p>
Visualization of SARS-CoV-2 particles in naso/oropharyngeal swabs by thin section electron microscopy – data set 05
<p>We developed a sedimentation method using desktop ultracentrifugation (see description below) to visualize SARS-CoV-2 particles in suspensions from oro- and/or nasopharyngeal swabs by thin section electron microscopy. A detailed description of the methods and the data set is provided in the download container.</p> <p>Data set 05 is a stitched image montage recorded from an area of a thin section through the sediment obtained from a swab sample which was negative by quantitative PCR. The recorded area shows the profiles of a few ciliated cells which are structurally impaired by vesiculation, probably due to the sampling and storage before fixation. Only few organelles are detectable, including nucleus and some of the mitochondria. The cells are surrounded by cellular debris and heterogenous material (e.g. membrane lamella, needle-like crystals, round profiles with a fine-fibrous matrix). Virus particles are not visible.</p> <p>Related publication: Laue M, Hoffmann T, Michel J, Nitsche A. Visualization of SARS-CoV-2 particles in naso/oropharyngeal swabs by thin section electron microscopy. Virol J. 2023 Feb 6;20(1):21. doi: 10.1186/s12985-023-01981-9. PMID: 36747188; PMCID: PMC9901382.</p>
Concordance between PCR-based extraction-free saliva and nasopharyngeal swabs for SARS-CoV-2 testing
<p><b>Introduction</b>: Saliva represents a less invasive alternative to nasopharyngeal swab (NPS) for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) detection. SalivaDirect is a nucleic acid extraction-free method for detecting SARS-CoV2 in saliva specimens. <span>Studies evaluating the concordance of gold standard NPS and newly developed SalivaDirect protocols are limited</span>. The aim of our study was to assess SalivaDirect as an alternative method for COVID-19 testing.</p> <p><b>Methods</b>: Matching NPS and saliva samples were analysed from a cohort of symptomatic (n=127) and asymptomatic (n=181) participants recruited from hospital and university settings respectively. RNA was extracted from NPS while saliva samples were subjected to the SalivaDirect protocol before RT-qPCR analysis. The presence of SARS-Cov-2 was assessed using <i>RdRP</i> and <i>N1</i> gene targets in NPS and saliva respectively.</p> <p><b>Results</b>: Overall we observed 94.3% sensitivity (95% CI 87.2-97.5%), and 95.9% specificity (95% CI 92.4-97.8%) in saliva when compared to matching NPS samples. Analysis of concordance demonstrated 95.5% accuracy overall for the saliva test relative to NPS, and a very high level of agreement (κ coefficient = 0.889, 95% CI 0.833–0.946) between the two sets of specimens. Fourteen of 308 samples were discordant, all from symptomatic patients. Ct values were >30 in 13/14 and >35 in 6/14 samples. No significant difference was found in the Ct values of matching NPS and saliva sample (<i>p</i>=0.860). A highly significant correlation (r = 0.475, <i>p</i><0.0001) was also found between the Ct values of the concordant positive saliva and NPS specimens.</p> <p><b>Conclusions</b>: Use of saliva processed according to the SalivaDirect protocol represents a valid method to detect SARS-CoV-2. Less invasive and accurate saliva screening is an attractive alternative to current testing methods based on NPS and would afford greater capacity to test asymptomatic populations especially in the context of frequent testing.</p>
Figure 98 from: Siler C, Brown R, Oliveros C, Welton L, Rock A, Swab J, Van Weerd M, van Beijnen J, Rodriguez D, Jose E, Diesmos A (2013) The amphibians and reptiles of Luzon Island, Philippines, VIII: the herpetofauna of Cagayan and Isabela Provinces, northern Sierra Madre Mountain Range. ZooKeys 266: 1-120. https://doi.org/10.3897/zookeys.266.3982
Figure 98 - Trimeresurus flavomaculatus (KU 330049)from mid-elevation, Mt. Cagua, Location 1b. Photo: RMB.
Figure 99 from: Siler C, Brown R, Oliveros C, Welton L, Rock A, Swab J, Van Weerd M, van Beijnen J, Rodriguez D, Jose E, Diesmos A (2013) The amphibians and reptiles of Luzon Island, Philippines, VIII: the herpetofauna of Cagayan and Isabela Provinces, northern Sierra Madre Mountain Range. ZooKeys 266: 1-120. https://doi.org/10.3897/zookeys.266.3982
Figure 99 - Cuora amboinensis amboinensis (ACD 3229, deposited in PNM) from Barangay Binatug (Location 22). Photo: K. M. Hesed.
Figure 94 from: Siler C, Brown R, Oliveros C, Welton L, Rock A, Swab J, Van Weerd M, van Beijnen J, Rodriguez D, Jose E, Diesmos A (2013) The amphibians and reptiles of Luzon Island, Philippines, VIII: the herpetofauna of Cagayan and Isabela Provinces, northern Sierra Madre Mountain Range. ZooKeys 266: 1-120. https://doi.org/10.3897/zookeys.266.3982
Figure 94 - Tropidonophis dendrophiops (KU 330031) from mid-elevation, Mt. Cagua, Location 1b. Photo: RMB.
Figure 97 from: Siler C, Brown R, Oliveros C, Welton L, Rock A, Swab J, Van Weerd M, van Beijnen J, Rodriguez D, Jose E, Diesmos A (2013) The amphibians and reptiles of Luzon Island, Philippines, VIII: the herpetofauna of Cagayan and Isabela Provinces, northern Sierra Madre Mountain Range. ZooKeys 266: 1-120. https://doi.org/10.3897/zookeys.266.3982
Figure 97 - Oxyrhabdium leporinum leporinum(KU 330079)from mid-elevation, Mt. Cagua, Location 1b. Photo: RMB.
Figure 93 from: Siler C, Brown R, Oliveros C, Welton L, Rock A, Swab J, Van Weerd M, van Beijnen J, Rodriguez D, Jose E, Diesmos A (2013) The amphibians and reptiles of Luzon Island, Philippines, VIII: the herpetofauna of Cagayan and Isabela Provinces, northern Sierra Madre Mountain Range. ZooKeys 266: 1-120. https://doi.org/10.3897/zookeys.266.3982
Figure 93 - Rhabdophis spilogaster (KU 327287) from Barangay Dibuluan, San Mariano (Location 23). Photo: K. M. Hesed.
Figure 92 from: Siler C, Brown R, Oliveros C, Welton L, Rock A, Swab J, Van Weerd M, van Beijnen J, Rodriguez D, Jose E, Diesmos A (2013) The amphibians and reptiles of Luzon Island, Philippines, VIII: the herpetofauna of Cagayan and Isabela Provinces, northern Sierra Madre Mountain Range. ZooKeys 266: 1-120. https://doi.org/10.3897/zookeys.266.3982
Figure 92 - Ptyas luzonensis (uncataloged specimen in PNM) from Barangay Dibuluan, San Mariano (Location 31). Photo: ACD.
Figure 91 from: Siler C, Brown R, Oliveros C, Welton L, Rock A, Swab J, Van Weerd M, van Beijnen J, Rodriguez D, Jose E, Diesmos A (2013) The amphibians and reptiles of Luzon Island, Philippines, VIII: the herpetofauna of Cagayan and Isabela Provinces, northern Sierra Madre Mountain Range. ZooKeys 266: 1-120. https://doi.org/10.3897/zookeys.266.3982
Figure 91 - Pseudorhabdion cf. mcnamarae (KU 327193) from Barangay Binatug (Location 22). Photo: ACD.
Figure 89 from: Siler C, Brown R, Oliveros C, Welton L, Rock A, Swab J, Van Weerd M, van Beijnen J, Rodriguez D, Jose E, Diesmos A (2013) The amphibians and reptiles of Luzon Island, Philippines, VIII: the herpetofauna of Cagayan and Isabela Provinces, northern Sierra Madre Mountain Range. ZooKeys 266: 1-120. https://doi.org/10.3897/zookeys.266.3982
Figure 89 - Typical appearanceof Lycodon muelleri (PNM 6592) from Barangay Binatug (Location 22). Photo: ACD.
Figure 87 from: Siler C, Brown R, Oliveros C, Welton L, Rock A, Swab J, Van Weerd M, van Beijnen J, Rodriguez D, Jose E, Diesmos A (2013) The amphibians and reptiles of Luzon Island, Philippines, VIII: the herpetofauna of Cagayan and Isabela Provinces, northern Sierra Madre Mountain Range. ZooKeys 266: 1-120. https://doi.org/10.3897/zookeys.266.3982
Figure 87 - Closeup of Hologerrhum philippinum (KU 33056) illustrating details of head scalation and color, and vibrant yellow ventral coloration. Photo: RMB.
Figure 9 from: Siler C, Brown R, Oliveros C, Welton L, Rock A, Swab J, Van Weerd M, van Beijnen J, Rodriguez D, Jose E, Diesmos A (2013) The amphibians and reptiles of Luzon Island, Philippines, VIII: the herpetofauna of Cagayan and Isabela Provinces, northern Sierra Madre Mountain Range. ZooKeys 266: 1-120. https://doi.org/10.3897/zookeys.266.3982
Figure 9 - The forested edge of the Mt. Cagua volcanic crater with the northern Sierra Madre in the background. Photo: RMB.
Figure 8 from: Siler C, Brown R, Oliveros C, Welton L, Rock A, Swab J, Van Weerd M, van Beijnen J, Rodriguez D, Jose E, Diesmos A (2013) The amphibians and reptiles of Luzon Island, Philippines, VIII: the herpetofauna of Cagayan and Isabela Provinces, northern Sierra Madre Mountain Range. ZooKeys 266: 1-120. https://doi.org/10.3897/zookeys.266.3982
Figure 8 - Mt. Cagua, Cagayan Province, with rice fields on the outskirts of Barangay Magrafil in the foreground. Photo: RMB.
Figure 74 from: Siler C, Brown R, Oliveros C, Welton L, Rock A, Swab J, Van Weerd M, van Beijnen J, Rodriguez D, Jose E, Diesmos A (2013) The amphibians and reptiles of Luzon Island, Philippines, VIII: the herpetofauna of Cagayan and Isabela Provinces, northern Sierra Madre Mountain Range. ZooKeys 266: 1-120. https://doi.org/10.3897/zookeys.266.3982
Figure 74 - Ahaetulla prasina preocularis (specimen not collected) yellow morph from Palanan (Location 35). Photo: MVW.
Figure 7 from: Siler C, Brown R, Oliveros C, Welton L, Rock A, Swab J, Van Weerd M, van Beijnen J, Rodriguez D, Jose E, Diesmos A (2013) The amphibians and reptiles of Luzon Island, Philippines, VIII: the herpetofauna of Cagayan and Isabela Provinces, northern Sierra Madre Mountain Range. ZooKeys 266: 1-120. https://doi.org/10.3897/zookeys.266.3982
Figure 7 - View south of the northern Sierra Madre (from peak of Mt. Cagua, Municipality of Gonzaga, Cagayan Province). Photo: LJW.
Figure 69 from: Siler C, Brown R, Oliveros C, Welton L, Rock A, Swab J, Van Weerd M, van Beijnen J, Rodriguez D, Jose E, Diesmos A (2013) The amphibians and reptiles of Luzon Island, Philippines, VIII: the herpetofauna of Cagayan and Isabela Provinces, northern Sierra Madre Mountain Range. ZooKeys 266: 1-120. https://doi.org/10.3897/zookeys.266.3982
Figure 69 - One of the firstphotographs in life of the newly discovered (Welton et al. 2010) Varanus bitatawa (KU 322188) from Barangay Dibuluan, San Mariano (Location 23). Photo: ACD.
Figure 68 from: Siler C, Brown R, Oliveros C, Welton L, Rock A, Swab J, Van Weerd M, van Beijnen J, Rodriguez D, Jose E, Diesmos A (2013) The amphibians and reptiles of Luzon Island, Philippines, VIII: the herpetofauna of Cagayan and Isabela Provinces, northern Sierra Madre Mountain Range. ZooKeys 266: 1-120. https://doi.org/10.3897/zookeys.266.3982
Figure 68 - Varanus marmoratus (KU 330731) from low-elevation, Mt. Cagua, below Location 1b, near Barangay Magrafil. Photo: RMB.
Figure 67 from: Siler C, Brown R, Oliveros C, Welton L, Rock A, Swab J, Van Weerd M, van Beijnen J, Rodriguez D, Jose E, Diesmos A (2013) The amphibians and reptiles of Luzon Island, Philippines, VIII: the herpetofauna of Cagayan and Isabela Provinces, northern Sierra Madre Mountain Range. ZooKeys 266: 1-120. https://doi.org/10.3897/zookeys.266.3982
Figure 67 - Parvoscincus leucospilos (KU 327785) from Barangay Dibuluan, San Mariano (Location 30). Photo: ACD.
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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)
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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.