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FIGURE 12 in Manned submersible dives reveal a singular assemblage of Hexactinellida (Porifera) off the Amazon River mouth, Northern Brazil
FIGURE 12. Megascleres of Claviscopulia facunda (SEM). A, pentactins; B, sarules; C, uncinates; D, pileate clavules; E, anchorate clavule.
FIGURE 4 in Manned submersible dives reveal a singular assemblage of Hexactinellida (Porifera) off the Amazon River mouth, Northern Brazil
FIGURE 4. Spicules of Hyalonema (Cyliconemaoida) alucia sp. nov. A, diactin of the basalia; B, choanosomal diactins; C, central thickening of choanosomal diactins; D, pinular pentactins; E, smooth pentactins; F, smooth hexactin; G, spined microxypentactin; H, spined microxyhexactin. (B–G: SEM; A, H: LM)
FIGURE 5 in Manned submersible dives reveal a singular assemblage of Hexactinellida (Porifera) off the Amazon River mouth, Northern Brazil
FIGURE 5. Amphidiscs of Hyalonema (Cyliconemaoida) alucia sp. nov. (SEM). A, macramphidiscs; B, mesamphidiscs; C, micramphidiscs.
FIGURE 13 in Manned submersible dives reveal a singular assemblage of Hexactinellida (Porifera) off the Amazon River mouth, Northern Brazil
FIGURE 13. Microscleres of Claviscopulia facunda (SEM). A, oxyhexactins; B, oxyhexasters; C, discohexasters.
FIGURE 11 in Manned submersible dives reveal a singular assemblage of Hexactinellida (Porifera) off the Amazon River mouth, Northern Brazil
FIGURE 11. Skeleton of Claviscopulia facunda. A, transversal section of the body tube wall; B, rays of the merged hexactins (SEM); C, dictyonal skeleton of the base; D, dermal frame; E, atrial frame; F, fused hexactins; G, bouquet of sceptrules; H, anchorate clavule at the spined pentactins form the structure of the dermal frame.
FIGURE 9 in Manned submersible dives reveal a singular assemblage of Hexactinellida (Porifera) off the Amazon River mouth, Northern Brazil
FIGURE 9. Microscleres of Dactylocalyx pumiceus (SEM). A, discohexaster; B, onychohexaster; C–D, oxyhexasters. Insets: actin tips.
Electronic Energy Singularities of Weakly H-bonded Ammonium Dimer
<p><strong><u>Background: </u></strong></p> <p>Following set of data has been provided as a proof of general hypothesis for weak H-bonded and also VDW dimers. The methods of quantum mechanics have been applied are Hartree-Fock, Møller-Plesset, Density Functional Theory with state-of-art quantum chemistry software. And for this specific case results from NH3 dimer has been reported.</p> <p>[A]. The general hypothesis first proposed in a paper published online in 2020 and in archive in 2021 [1] with explicit mention of hypothesis that torsional electronic energy has singularities for weak H-Bonds contrast to force field results of energy continuum.</p> <p>[B]. This energy singularities are associated with quantum geometrical criticality of weak H-bonded or VDW dimers. Any QM energy computation method with reasonable basis set must reveal electronic energy singularities unlike smooth force field or molecular mechanics based dihedral energy continuum for weak H-bonded or VDW dimers. Also for weak H-bonded atoms if separated by a distance beyond bond length; internal rotation must show energy singularities; or equivalently geometry must show criticality feature in all QM energy computations.</p> <p>[C]. These QM computational results cannot be explained by classical reasoning because of no stearic clashes among atoms; molecular mechanics/force field always predict finite energy beyond bond-length. </p> <p><strong><u>Hypothesis Tested: </u></strong></p> <p>All conformational geometry in weak H-bonded or VDW molecules cannot be allowed as per QM contrast to MM even though no stearic clashes of atoms do exist; bond-breaking involves two aspects: <I> sudden jumps in energy <II> breaking of molecular geometry. The energy singularities results are indicative of geometry break-up or in other words bond breaking. </p> <p><strong><u>References: </u></strong></p> <p>[1] Ali, M Rejwan and Mezei M. 2021. “Observation of Quantum Signature in Rivastigmine Chemical Bond Break-up and Quantum Energetics, Spectral Studies of Anti-Alzheimer Inhibitors.” Journal of Biomolecular Structure and Dynamics 39 (1): 118–28. https://doi.org/10.1080/07391102.2019.1708462.</p> <p>[2] Ali, Md R. 2022 “Quantum Signature of Anisotropic Singularities in Hydrogen Bond Breaking of Water Dimer” (12th Triennial Congress of the World Association of Theoretical and Computational Chemists (WATOC), Vancouver, Canada)</p> <p>[3] Ali, M Rejwan 2025, “Electronic Energy Singularities of Weakly H-bonded Ammonium Dimer" </p> <p>Journal of Micromechanics and Molecular Physics https://doi.org/10.1142/S2424913025500079</p> <p>Preprint: https://arxiv.org/abs/2504.17107 </p> <p><strong><u>Description of Files: </u></strong></p> <p>File Folder Explanation: All the results have been obtained via SPARTAN-20 version software. Both MM and QM methods have been used to compute torsion angle based electronic energy of NH3 dimer. The files have corresponding extension name for methods used as also listed below: </p> <p>NH3-dimer_MM: </p> <p>1. MMFF</p> <p>2. SYBYL</p> <p> NH3-dimer_QM</p> <p>1. HF/6-311G*</p> <p>2. MP2/CC-PVDz</p> <p>3. B3LYP/6-311G* (Both forward and reverse torsion electronic energy scan)</p> <p><strong><u> </u></strong></p> <p> </p> <p> </p> <p> </p> <p> </p> <p> </p> <p> </p> <p> </p>
Computational modeling and analytical validation of singular geometric effects in fault data using a combinatorial approach - Input and processed data
<p>The archive contains the input and processed data for the companion manuscript.</p> <p>The input data contains XYZ coordinates of points documenting the investigated interfaces. The output datasets contain directional data from applying the combinatorial algorithm to point data sets.</p> <p>We have also included .VTU and .PVSM files for visualization of the geological settings in ParaView.</p>
Fig. 1 in The potential of Apiaceae species as sources of singular phytochemicals and plant-based pesticides
Fig. 1. Type of bioactive coumarins, furanocoumarins and furanochromones found in Apiaceae species showing allelopathic and/or pesticidal activity.
Fig. 2 in The potential of Apiaceae species as sources of singular phytochemicals and plant-based pesticides
Fig. 2. Examples of volatile bioactive phenylpropene-derivatives and their occurrence in Apiaceae species: (A) allylbenzenes and (B) propenylbenzenes (Sources: Duke, 1992; Baser et al., 2007).
Fig. 3 in The potential of Apiaceae species as sources of singular phytochemicals and plant-based pesticides
Fig. 3. Examples of naturally occurring volatile phthalides from Apiaceae that have been found to exhibit relevant activity against several species.
Data from: Evolution at two time frames: polymorphisms from an ancient singular divergence event fuel contemporary parallel evolution
Open the record for dataset details and reuse information.
Mathematica codes for: Cosmological singularity as an informational seed for Everything
<p>The Mathematica notebooks calculate mean values of the energy density of the quantum fields under curved background. The background of the uniform isotropic expanding universe is implied. The notebooks densitySec2.nb and densitySec3.nb are related to the methods described in the second and third sections of the paper respectively. These notebooks give the same results.</p>
Data underpinning "Quantum Effects on Unconventional Pinch Point Singularities"
<p>Raw data set and evaluation scripts used for publication.</p><p>To reproduce the plots, it is recommended to execute individual code cells in the .jl files in a notebook workflow.</p>
Supplementary material 2 from: Aspöck H, Aspöck U, Gruppe A, Sittenthaler M, Haring E (2017) Anthropogenic dispersal of a snakefly (Insecta, Neuropterida) – a singular phenomenon or a model case in Raphidioptera? Deutsche Entomologische Zeitschrift 64(2): 123-131. https://doi.org/10.3897/dez.64.19859
Records of Raphidia mediterranea : Data type: Microsoft Excel Worksheet (.xlsx)
Supplementary material 1 from: Aspöck H, Aspöck U, Gruppe A, Sittenthaler M, Haring E (2017) Anthropogenic dispersal of a snakefly (Insecta, Neuropterida) – a singular phenomenon or a model case in Raphidioptera? Deutsche Entomologische Zeitschrift 64(2): 123-131. https://doi.org/10.3897/dez.64.19859
BI and NJ trees : Data type: molecular data
Figure 6 from: Aspöck H, Aspöck U, Gruppe A, Sittenthaler M, Haring E (2017) Anthropogenic dispersal of a snakefly (Insecta, Neuropterida) – a singular phenomenon or a model case in Raphidioptera? Deutsche Entomologische Zeitschrift 64(2): 123-131. https://doi.org/10.3897/dez.64.19859
Figure 6 - Phylogenetic tree based on BI analysis of six species of Raphidia (with Agulla adnixa as outgroup). Posterior probability values are indicated at the nodes.
Figure 5 from: Aspöck H, Aspöck U, Gruppe A, Sittenthaler M, Haring E (2017) Anthropogenic dispersal of a snakefly (Insecta, Neuropterida) – a singular phenomenon or a model case in Raphidioptera? Deutsche Entomologische Zeitschrift 64(2): 123-131. https://doi.org/10.3897/dez.64.19859
Figure 5 - Known distribution of Raphidia mediterranea H.A. & U.A. & Rausch. Source of the map see under Material and methods.
Figure 3 from: Aspöck H, Aspöck U, Gruppe A, Sittenthaler M, Haring E (2017) Anthropogenic dispersal of a snakefly (Insecta, Neuropterida) – a singular phenomenon or a model case in Raphidioptera? Deutsche Entomologische Zeitschrift 64(2): 123-131. https://doi.org/10.3897/dez.64.19859
Figure 3 - Raphidia mediterranea, full-grown larva, from Pelmberg (Upper Austria). Photo H. Bruckner.
Figure 6 from: ichuette ME, Simões LB, Zepon T, von Schimonsky DM, Gallão JE (2019) Richness and taxonomic distinctness of cave invertebrates from the northeastern state of Goiás, central Brazil: a vulnerable and singular area. Subterranean Biology 29: 1-33. https://doi.org/10.3897/subtbiol.29.30418
Figure 6 Simple linear regression between richness and Taxonomic distinctness (TD) values of caves from A São Domingos and B Posse karst areas. Legend: SBer= São Bernardo cave system, Ang= Lapa Angélica, Bez= Lapa do Bezerra, SMat= São Mateus cave system, TR_I= Terra Ronca I cave, TR_II= Terra Ronca II cave, PPom= Pau Pombo cave, Rus= Russão cave system, Bom= Bombas cave system, Dor= Doralino cave system, NEsp= Nova Esperança cave, Rev= Revolucionários cave.
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.