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2,315 results for “comparative analysis”
Fig. 8 in Taxonomy and distribution of Pectinariidae (Annelida) from Iceland with a comparative analysis of uncinal morphology
Fig. 8. Cistenides granulata (Linnaeus, 1767). SEM micrographs from two large specimens (BIOICE sample 3249, IINH-40467). A. Anterior end, right lateral view. B–C. Unciniger 1, dorsal and ventral uncini, respectively. D. Unciniger 6, ventral uncini. E. Unciniger 12, dorsal uncini. F. Scaphe, posterodorsal view (framed: scaphal hooks, detail).
Fig. 15. Cistenides hyperborea Malmgren, 1866 in Taxonomy and distribution of Pectinariidae (Annelida) from Iceland with a comparative analysis of uncinal morphology
Fig. 15. Cistenides hyperborea Malmgren, 1866. SEM micrographs from two medium-sized specimens (BIOICE sample 2060, IINH-40471). A. Mid-body parapodium, notochaetae. B. Notochaeta, serrated distal end, detail. C. Scaphe, dorso-lateral view. D. Cuticular structures (framed in C). E. Anal lobe and anal papilla. F. Ciliary field dorsal to anal lobe (framed in E).
Why has the number of COVID-19 confirmed cases in Africa been insignificant compared to other regions? A descriptive analysis
<p>Method</p> <p>The dataset contains several confirmed COVID-19 cases, number of deaths, and death rate in six regions. The objective of the study is to compare the number of confirmed cases in Africa to other regions. </p> <p>Death rate = Total number of deaths from COVID-19 divided by the Total Number of infected patients.</p> <p>The study provides evidence for the country-level in six regions by the World Health Organisation's classification.</p> <p>Findings</p> <p>Based on the descriptive data provided above, we conclude that the lack of tourism is one of the key reasons why COVID-19 reported cases are low in Africa compared to other regions. We also justified this claim by providing evidence from the economic freedom index, which indicates that the vast majority of African countries recorded a low index for a business environment. On the other hand, we conclude that the death rate is higher in the African region compared to other regions. This points to issues concerning health-care expenditure, low capacity for testing for COVID-19, and poor infrastructure in the region.</p> <p>Apart from COVID-19, there are significant pre-existing diseases, namely; Malaria, Flu, HIV/AIDS, and Ebola in the continent. This study, therefore, invites the leaders to invest massively in the health-care system, infrastructure, and human capital in order to provide a sustainable environment for today and future generations. Lastly, policy uncertainty has been a major issue in determining a sustainable development goal on the continent. This uncertainty has differentiated Africa to other regions in terms of stepping up in the time of global crisis.</p> <p> </p>
Dataset of the scientific paper "A Comparative Analysis of 2D and 3D Tasks for Virtual Reality Therapies Based on Robotic-Assisted Neurorehabilitation for Post-stroke Patients" (Front. Aging Neurosci.)
<p> There are three files with the following information:<br> - data_2d.bin, binary file with information of the different parameters of the nine subjects during 2d tasks<br> - data_3d.bin, binary file with information of the different parameters of the nine subjects during 3d tasks<br> - survey.bin, binary file with the score of the System Usability Scale (SUS) survey of each subject</p>
Comparative Analysis of Anthraquinone and Chalcone Derivatives-Based Virtual Combinatorial Library. A Cheminformatics "Proof-of-Concept" Study
<p>This computational “proof-of-concept” study illustrated the combinatorial approach used to explain how the selected natural products' structures undergo molecular diversity analysis. A virtual combinatorial library (1.6M) based on 20 anthraquinones and 24 chalcones were enumerated. The resulting compounds were optimized to the near drug-likeness properties and the physicochemical descriptors were calculated for all datasets including FDA, Non-FDA, and natural products (NPs) datasets from ZINC 15. UMAP and principal component analysis (PCA) were applied to compare and represent the chemical space coverage of each dataset. Subsequently, the Laplacian score, and Gini coefficient, were applied to delineate feature selection, and selectivity among properties respectively. Finally, we demonstrated the diversity between the datasets by employing Murcko’s, and central scaffolds systems, calculated three fingerprint descriptors, and analyzed their diversity by PCA and self-organizing maps (SOM). The optimized enumeration resulted in 1,610,268 compounds with NP-Likeness, and synthetic feasibility mean scores close to FDA, Non-FDA, and NPs datasets. The overlap between the chemical space of 1.6M was more prominent with NPs. Laplacian score has prioritized NP-likeness and hydrogen bond acceptor properties (1.0 and 0.923) respectively, while the Gini coefficient showed that all properties have selective effects on datasets (0.81 to 0.93). Scaffold and fingerprint diversity indicated that the descending order for the tested datasets was FDA, Non-FDA, NPs, 1.6M. Virtual combinatorial libraries based on NPs can be considered as a source of the combinatorial compound with NP-likeness properties. Furthermore, measuring molecular diversity is supposed to be performed by different methods to allow for comparison and better judgment. </p> <p>This link provides an illustration of the whole virtual combinatorial library using the TMAP algorithm in addition to the complete dataset. TMAP is a recent algorithm applied to visualize ultra-large high-dimensional chemical libraries for structures and physicochemical properties (Probst & Reymond, 2020). This approach creates and distributes intuitive tree representations of big data sets with arbitrary dimensionality in the order of 10<sup>7</sup>.</p> <p><strong>To visualize the whole library of compounds, download the "index(2).rar", then extract the index.html that pop-up in the WinRAR application.</strong></p>
Time trees and Clock genes: a Systematic Review and Comparative Analysis of Contemporary Avian Migration Genetics (Dataset)
<p>Complete dataset of <em>Clock</em> and <em>Adcyap1</em> alleles, distance matrices, and migration data used in the review and meta-analysis "<strong>Time trees and Clock genes: a Systematic Review and Comparative Analysis of Contemporary Avian Migration Genetics".</strong> </p>
Figure 78 in A preliminary report on the World species of Bemisia Quaintance and Baker and its congeners (Hemiptera: Aleyrodidae) with a comparative analysis of morphological variation and its role in the recognition of species Raymond Gill
Figure 78. Bemisia afer complex, Madeira, Santana, Faja do Niguiera, 15-XII-92, ex. Myrica toya, F. Aguiar, coll.
Figure 77 in A preliminary report on the World species of Bemisia Quaintance and Baker and its congeners (Hemiptera: Aleyrodidae) with a comparative analysis of morphological variation and its role in the recognition of species Raymond Gill
Figure 77. Bemisia afer complex, Madeira, Faja do Penedo, 20.iii.92, ex. Marcetella madeirensis, F. Aguiar, coll., #C136.
Figure 79 in A preliminary report on the World species of Bemisia Quaintance and Baker and its congeners (Hemiptera: Aleyrodidae) with a comparative analysis of morphological variation and its role in the recognition of species Raymond Gill
Figure 79. Bemisia afer complex, Madeira, Levada above Ribeiro Bonita, nr. Sao Jorge Icod de los Vinos, 01 Apr. 1995, ex. Sibthorpia peregrina (Scrophulariaceae), J. Martin and A. Aguiar, colls., JHM # 6590.
Figure 76 in A preliminary report on the World species of Bemisia Quaintance and Baker and its congeners (Hemiptera: Aleyrodidae) with a comparative analysis of morphological variation and its role in the recognition of species Raymond Gill
Figure 76. Bemisia afer complex, Madeira, Faja do Penedo, 20-iii-1992, ex. Marcetella madeirensis, F. Aguiar, coll. # C136.
Figure 71 in A preliminary report on the World species of Bemisia Quaintance and Baker and its congeners (Hemiptera: Aleyrodidae) with a comparative analysis of morphological variation and its role in the recognition of species Raymond Gill
Figure 71. Bemisia afer complex, Canary Islands, Tenerife, Barranco de las Moradas, ex. Eschium sp., J. Martin, coll., JHM # 7048.
Figure 70 in A preliminary report on the World species of Bemisia Quaintance and Baker and its congeners (Hemiptera: Aleyrodidae) with a comparative analysis of morphological variation and its role in the recognition of species Raymond Gill
Figure 70. Bemisia afer complex, Canary Islands, Tenerife, Barranco de los Moradas, nr. Icod de los Vinos, approx 700-900 m., 18 May 1997, ex Rubus fruticosus grp., J.H. Martin, coll., JHM #7047.
Figure 69 in A preliminary report on the World species of Bemisia Quaintance and Baker and its congeners (Hemiptera: Aleyrodidae) with a comparative analysis of morphological variation and its role in the recognition of species Raymond Gill
Figure 69. Bemisia afer complex, Canary Islands, La Palma, Ctr. Barbuento, ex. Rubus sp., 21-VI-1997, E. Hernandez-Suarez, coll.
Figure 68 in A preliminary report on the World species of Bemisia Quaintance and Baker and its congeners (Hemiptera: Aleyrodidae) with a comparative analysis of morphological variation and its role in the recognition of species Raymond Gill
Figure 68. Bemisia afer complex, Canary Islands, Tenerife, Barranco, de las, Moradas, nr., Icod de los Vinos, at 7-900m, 18 May 1997, ex. Cistus sp., J. Martin, coll., JHM # 7046.
Figure 67 in A preliminary report on the World species of Bemisia Quaintance and Baker and its congeners (Hemiptera: Aleyrodidae) with a comparative analysis of morphological variation and its role in the recognition of species Raymond Gill
Figure 67. Bemisia afer complex, Canary Islands, Tenerife: Guimar, Bco de Badajos, 25 Nov. 2000, ex. Bencomia caudata, -upper surfaces, J.H.Martin, coll.
Figure 74 in A preliminary report on the World species of Bemisia Quaintance and Baker and its congeners (Hemiptera: Aleyrodidae) with a comparative analysis of morphological variation and its role in the recognition of species Raymond Gill
Figure 74. Bemisia afer complex, Madeira, Seixal, 6-III-92, ex. Ocotea foetens., (Lauraceae), F. Aguiar, coll. #C125.
Figure 75 in A preliminary report on the World species of Bemisia Quaintance and Baker and its congeners (Hemiptera: Aleyrodidae) with a comparative analysis of morphological variation and its role in the recognition of species Raymond Gill
Figure 75. Bemisia afer complex, Madeira, Levado do Norte,, Below Bica da Cana, 1000-1100 m, 16 May 1997, ex. Clethra arborea, J.H. Martin coll. #7040. This illustration is less detailed than others, and is meant only to show general body shape and setal patterns.
Figure 73 in A preliminary report on the World species of Bemisia Quaintance and Baker and its congeners (Hemiptera: Aleyrodidae) with a comparative analysis of morphological variation and its role in the recognition of species Raymond Gill
Figure 73. Bemisia afer complex, Madeira, Ribiero Frio, 800 m., 28 March 1995, J.H. Martin, A.F. Aguiar coll, ex.Sonchus fruticosus, JHM coll. #6543. This illustration is less detailed than others, and is meant only to show general body shape and setal patterns.
Figure 66 in A preliminary report on the World species of Bemisia Quaintance and Baker and its congeners (Hemiptera: Aleyrodidae) with a comparative analysis of morphological variation and its role in the recognition of species Raymond Gill
Figure 66. Bemisia afer complex, Canary Islands, Tenerife, Guimar, Bco de Badajos, January 1998, ex. Bencomia caudata, E. H-Suarez, coll.
Figure 63 in A preliminary report on the World species of Bemisia Quaintance and Baker and its congeners (Hemiptera: Aleyrodidae) with a comparative analysis of morphological variation and its role in the recognition of species Raymond Gill
Figure 63. Bemisia afer complex, Canary Islands, La Palma, Pto Nao, ex. Euphorbia balsamifera, 22-VI- 1997, E. Hernandez-Suarez, coll.
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.