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FIGURE 2 in A palearctic bark beetle, Crypturgus hispidulus Thomson (Coleoptera: Curculionidae: Scolytinae), new to North America discovered in New England, U.S.A.
FIGURE 2. Dorsal habitus of Crypturgus spp. A Crypturgus hispidulus B Crypturgus pusillus. Scale bar: 0.5 mm.
FIGURE 1 in A palearctic bark beetle, Crypturgus hispidulus Thomson (Coleoptera: Curculionidae: Scolytinae), new to North America discovered in New England, U.S.A.
FIGURE 1. Geographic distribution of Crypturgus hispidulus in Maine and New Hampshire, USA (black dots), with general distribution of Picea rubens in Northeastern United States and adjacent Canada (light green) and basal area of Picea spp. within northern New England and New York (dark green).
Fig. 2 in Anti-phytopathogen terpenoid glycosides from the root bark of Chytranthus macrobotrys and Radlkofera calodendron
Fig. 2. Structures of compounds 1–12 isolated from the root bark of C. macrobotrys and R. calodendron together with structures of 13–18 isolated from the fruits of B. unijugata and B. welwitschii. 1–4 are previously undescribed terpenoid glycosides.
Fig. 3 in Cytotoxic diterpenoids from the leaves and stem bark of Croton haumanianus (Euphorbiaceae)
Fig. 3. Calculated (ent- and normal series) and experimental ECD spectra for compounds 18, 20, 22 and 25.
Fig. 2 in Cytotoxic diterpenoids from the leaves and stem bark of Croton haumanianus (Euphorbiaceae)
Fig. 2. Key NOESY correlations of compounds 4, 9, 11, 14 (R ¼ (CH2)14CH3, in green), 18 and 19. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Fig. 4 in Tropane alkaloids from the stem bark of Erythroxylum bezerrae
Fig. 4. Asymmetric unit of the crystalline structure only one of the two non-equivalent conformations of 3.
Fig. 2 in Triterpenoids from the barks of Juglans hopeiensis
Fig. 2. Key COSY (black bold line) and HMBC (blue arrows) correlations of compounds 1–9. (For interpretation of the references to color in this figure legend, the reader is referred to the Web version of this article.)
Fig. 10 in Three phragmalin-type limonoids orthoesters and the structure of odoratone isolated from the bark of Entandrophragma candollei (Meliaceae)
Fig. 10. Docking of compound 4 to the energy minimized human neutrophil collagenase (MMP-8) showing the binding of the compound within the S1 binding pocket of the active site and H-bonding with Glu219, Gln186 and Ala182.
Fig. 11. Superimposed structures for the docked compound 4 in Three phragmalin-type limonoids orthoesters and the structure of odoratone isolated from the bark of Entandrophragma candollei (Meliaceae)
Fig. 11. Superimposed structures for the docked compound 4 and VLB to the α and β subunit of tubulin. Compound 4 showed a different binding pocket at the interface between α and β subunit from the reference compound VLB.
Fig. 12 in Three phragmalin-type limonoids orthoesters and the structure of odoratone isolated from the bark of Entandrophragma candollei (Meliaceae)
Fig. 12. Structure of topoisomerase-1-DNA complex (top1-DNA complex) with the inhibitor camptothecin (EHD) superimposed to the docked structure with compound 4, showing the interaction of compound 4 with the amino acid residues of top1 (Lys720, Arg708, Asn711 and Arg634) and DNA base pair (DA).
Fig. 9 in Three phragmalin-type limonoids orthoesters and the structure of odoratone isolated from the bark of Entandrophragma candollei (Meliaceae)
Fig. 9. Antioxidant activity of epicatechin (13S) (A) in a DPPH assay compared to the standard trolox (B).
Fig. 5 in Three phragmalin-type limonoids orthoesters and the structure of odoratone isolated from the bark of Entandrophragma candollei (Meliaceae)
Fig. 5. ORTEP-like view of compound 5. Only asymmtric carbon atoms were labelled, the absolute configuration is C1 R, C8 R, C13 R, C14 R, C15 S, C22 S, C23 R, C25 S, C26 R and C27 S.
Fig. 4 in Three phragmalin-type limonoids orthoesters and the structure of odoratone isolated from the bark of Entandrophragma candollei (Meliaceae)
Fig. 4. Separated ORTEP-like view of the absolute configuration of 1 (A) and 3 (B), only asymmetric carbon atoms are labelled.
Fig. 2. 1H–1H in Three phragmalin-type limonoids orthoesters and the structure of odoratone isolated from the bark of Entandrophragma candollei (Meliaceae)
Fig. 2. 1H–1H COSY, selected HMBC correlations (A) and key NOESY correlations (B) of encandollens C and E (1 and 3)
Fig. 3 in Terpenylated coumarins from the root bark of Ailanthus altissima (Mill.) Swingle
Fig. 3. Key NOESY correlations of compounds 1–4, 5 and 6 (1D NOESY correlations were marked in red and 2D NOESY correlations were marked in blue).
Fig. 2 in Terpenylated coumarins from the root bark of Ailanthus altissima (Mill.) Swingle
Fig. 2. Key HMBC correlations (arrows in blue) and H1–H1 COSY (bold bond in black) of the undescribed compounds.
Fig. 4 in Terpenylated coumarins from the root bark of Ailanthus altissima (Mill.) Swingle
Fig. 4. (A) Possible gross structures of compounds 3, 4 and 11; (B) Possible relative configurations of compound 3 (3b1/3b2) and 4 (4b1/4b2).
Fig. 3 in Plasmodium stage-selective antimalarials from Lophira lanceolata stem bark
Fig. 3. left: The most populated conformer of lophirone C. right: Experimental ECD spectra (black line) of lophirone C and simulated ECD spectra of α′R,β′R-lophirone C (red line) and of α′S,β′S-lophirone C (blue line), in EtOH. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Fig. 1 in Anti-inflammatory alkaloids from the root bark of Hernandia nymphaeifolia
Fig. 1. The chemical structures of previously undescribed compounds 1–4 isolated from H. nymphaeifolia.
Fig. 8 in Highly oxygenated and rearranged limonoids from the stem barks of Entandrophragma utile
Fig. 8. The CD spectra of compounds 10–12 in MeOH; the bold lines denote the electric transition dipole of the chromophores for 10.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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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.