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599 results for “Volatile”
Fig. 4 in Behavioral responses of Aphis citricola (Hemiptera: Aphididae) and its natural enemy Harmonia axyridis (Coleoptera: Coccinellidae) to non-host plant volatiles
Fig. 4. Response of Aphis citricola adults to French marigold (Tagetes patula) (A) and catnip (Nepeta cataria) (B). T: Apple trees + aromatic plants; CK: apple trees only. The numbers of asterisks represent the level of significance: ** highly significant (P <0.01); * significant difference (P <0.05).
Accurate Predictions of Volatile Plutonium Thermodynamic Properties: Dataset
<p>This dataset collects the input and output of the calculations discussed in the paper titled "Accurate Predictions of Volatile Plutonium Thermodynamic Properties", by Sophie Kervazo, Florent Réal, François Virot, André Severo Pereira Gomes and Valérie Vallet.</p> <p>The results for each atom/molecule are collected in a zip file with the following directory tree:</p> <ol> <li>geom-freq-b3lyp: inputs/outputs for B3LYP Gaussian optimization and frequency calculations (both harmonic and anharmonic)</li> <li>SO-CASPT2 <ul> <li>VTZP: inputs/outputs for VTZP SO-CASPT2 calculations</li> <li>VQZP: inputs/outputs for VQZP SO-CASPT2 calculations</li> </ul> </li> <li>2dcm <ul> <li>inp: input files for 2dcm-CCSD and 2dcm-EOM-EE and 2dcm-EOM-IP calculations</li> <li>out: output files for 2dcm-CCSD and 2dcm-EOM-EE and 2dcm-EOM-IP calculations</li> <li>xyz: XYZ geometry files</li> </ul> </li> </ol>
Fig. 6 in Preference of Neoseiulus californicus (Acari: Phytoseiidae) for volatiles of Bt maize induced by multiple herbivory
Fig. 6. Projection to principal component analysis (PCA) based on the headspace composition of volatiles of conventional maize plants infested by Tetranychus urticae (C + Tu = •); conventional maize plants infested by Tetranychus urticae and Spodoptera frugiperda (C + Tu + Sf = +); Bt maize plants infested by T. urticae (Bt + Tu = N); Bt maize plants infested by T. urticae and S. frugiperda (Bt + Tu + Sf = *), using the first two principal components (Dim) with explained variance in brackets.
Characteristics of hydrothermal volatiles from the TCV in the SE TP
<p>Characteristics of hydrothermal volatiles from the TCV in the SE TP</p>
Impact of processing and storage conditions on the volatile profile of whole chickpeas (Cicer arietinum L.)
<p>Supplementary table and final data used for figures in the paper: https://doi.org/10.1021/acsfoodscitech.1c00108</p>
Ridge gourd volatiles are highly attractive to gravid female melon fly, Zeugodacus cucurbitae (Coquillett) (Diptera: Tephritidae)
<p>The data pertain to experiments about prospecting attractants for female melon fly, <em>Zeugodacus cucurbitae</em>.</p>
Figure 2 from: Bonacci T, Brandmayr P, Zetto Brandmayr T, Daniela Perrotta I, Guarino S, Peri E, Colazza S (2011) Volatile compounds released by disturbed and undisturbed adults of Anchomenus dorsalis (Coleoptera, Carabidae, Platynini) and structure of the pygidial gland. ZooKeys 81: 13-25. https://doi.org/10.3897/zookeys.81.1122
Figure 2 - Light microscope: A Dorsal aspects of pygidial gland; ed, efferent duct; r, reservoir; cc, collecting canal; sl, secretory lobe (Scale bar = 0.5 mm) (not treated with potassium hydroxide) B collecting canal (Scale bar = 0.125 mm) C reservoir with smooth constriction at about one third from its hind end (Scale bar = 0.125 mm) D insertion of collecting canal (black arrow) and efferent duct (white arrow) in the reservoir (Scale bar = 0.05 mm) E collecting canal with apical ramifications (white arrows) (Scale bar = 0.05 mm) F "floret" (sensu Eisner et al. 2001) (Scale bar = 0.015 mm) (treated with potassium hydroxide).
Figure 1 from: Bonacci T, Brandmayr P, Zetto Brandmayr T, Daniela Perrotta I, Guarino S, Peri E, Colazza S (2011) Volatile compounds released by disturbed and undisturbed adults of Anchomenus dorsalis (Coleoptera, Carabidae, Platynini) and structure of the pygidial gland. ZooKeys 81: 13-25. https://doi.org/10.3897/zookeys.81.1122
Figure 1 - Gas chromatograms of volatile compounds collected from disturbed (up) and undisturbed (down) adults of Anchomenus dorsalis. 1 undecane 2 heneicosane 3 (Z)-9 - tricosene 4 tricosane. On the x axis is reported the retention time (minutes). As a stationary phase an HP5–MS capillary column was used. The GC oven temperature program was 60 °C for 5 min, than increased by 10 °C/min to 280 °C.
Figure 3 from: Bonacci T, Brandmayr P, Zetto Brandmayr T, Daniela Perrotta I, Guarino S, Peri E, Colazza S (2011) Volatile compounds released by disturbed and undisturbed adults of Anchomenus dorsalis (Coleoptera, Carabidae, Platynini) and structure of the pygidial gland. ZooKeys 81: 13-25. https://doi.org/10.3897/zookeys.81.1122
Figure 3 - Transmission electron microscope (TEM): A, collecting canal with lumen (lu); the black arrows show interstitial spaces (is) B secretory lobe with secretory lumen (sl) C vesicle (v) with microvilli (mv) D microvilli structure (mv) at highest enlargement (the white arrows show the thin lamina) and E Inner wall of the reservoir with chitinous basal lamina (la) (black arrows) and massive muscle layer around.
Figure 4 from: Břízová R, Vaníčková L, Faťarová M, Ekesi S, Hoskovec M, Kalinová B (2015) Analyses of volatiles produced by the African fruit fly species complex (Diptera, Tephritidae). In: De Meyer M, Clarke AR, Vera MT, Hendrichs J (Eds) Resolution of Cryptic Species Complexes of Tephritid Pests to Enhance SIT Application and Facilitate International Trade. ZooKeys 540: 385-404. https://doi.org/10.3897/zookeys.540.9630
Figure 4 - The results of statistical analyses of the male-borne volatiles produced by Ceratitis fasciventris (blue), Ceratitis anonae (green) and Ceratitis rosa (red). (A) Multivariate principal component analysis (PCA) of the 22 common compounds identified in the pheromone of the males of the FAR complex. (B) Multivariate correspondence analysis (CA) of the 12 antennal active compounds. The three species are clearly segregated. Each symbol on the plot represents one sample. The numbers in italics denote the retention indices (RI) of the species-specific compounds. For the structural identification of the compounds see the Suppl. materials 1–3: Tables 1–3.
Figure 3 from: Břízová R, Vaníčková L, Faťarová M, Ekesi S, Hoskovec M, Kalinová B (2015) Analyses of volatiles produced by the African fruit fly species complex (Diptera, Tephritidae). In: De Meyer M, Clarke AR, Vera MT, Hendrichs J (Eds) Resolution of Cryptic Species Complexes of Tephritid Pests to Enhance SIT Application and Facilitate International Trade. ZooKeys 540: 385-404. https://doi.org/10.3897/zookeys.540.9630
Figure 3 - A comparison of female antennal responses of Ceratitis fasciventris, Ceratitis anonae, and Ceratitis rosa to standard solutions. The FID/EAD on the y-axis represents the ratio between an electroantennographic response and a conventional detector. The higher the number, the higher the response (N = 3).
Figure 2 from: Břízová R, Vaníčková L, Faťarová M, Ekesi S, Hoskovec M, Kalinová B (2015) Analyses of volatiles produced by the African fruit fly species complex (Diptera, Tephritidae). In: De Meyer M, Clarke AR, Vera MT, Hendrichs J (Eds) Resolution of Cryptic Species Complexes of Tephritid Pests to Enhance SIT Application and Facilitate International Trade. ZooKeys 540: 385-404. https://doi.org/10.3897/zookeys.540.9630
Figure 2 - GC-FID/EAD analyses of the Ceratitis fasciventris, Ceratitis anonae, and Ceratitis rosa male-borne volatiles using a conspecific female antenna as an EAD detector. The numbers indicate EAD-active compounds and correspond to Table 1. The symbols EAD-1-3 denote the three independent repetitions of the GC-EAD analyses.
Figure 1 from: Břízová R, Vaníčková L, Faťarová M, Ekesi S, Hoskovec M, Kalinová B (2015) Analyses of volatiles produced by the African fruit fly species complex (Diptera, Tephritidae). In: De Meyer M, Clarke AR, Vera MT, Hendrichs J (Eds) Resolution of Cryptic Species Complexes of Tephritid Pests to Enhance SIT Application and Facilitate International Trade. ZooKeys 540: 385-404. https://doi.org/10.3897/zookeys.540.9630
Figure 1 - GC×GC-TOFMS chromatograms (TIC mode) of the male (N = 5) volatiles of Ceratitis fasciventris, Ceratitis anonae and Ceratitis rosa. Each spot represents one compound; the identified compounds are numbered in each chromatogram, with the numbering corresponding to the respective Table 1 of compounds. The intensity of each spot is colour-coded (blue - 0, red - maximum).
Figure 1 from: Glasser SK, Farzan S (2016) Host-associated volatiles attract parasitoids of a native solitary bee, Osmia lignaria Say (Hymenoptera, Megachilidae). Journal of Hymenoptera Research 51: 249-256. https://doi.org/10.3897/jhr.51.9727
Figure 1 - Schematic of the Y-tube olfactometer used to test parasitoid attraction to host volatiles.
Phytochemicals, Proximate Composition, Minerals and Volatile Oil Analysis of Zanthoxylum acanthopodium DC. Fruits
<p>The dataset of ‘Phytochemicals, Proximate Composition, Minerals and Volatile Oil Analysis of <em>Zanthoxylum acanthopodium</em> DC. Fruits’</p>
Metrological generation of SI-traceable gas-phase standards and reference materials for (semi-) volatile organic compounds
<p>EN 16516 sets specifications for the determination of emissions into indoor air from construction products. Reliable, accurate and SI-traceable measurement results of the emissions are the key to consumer protection. Such measurement results can be obtained by using metrologically traceable reference materials. Gas-phase standards of volatile organic compounds (VOCs) in air can be prepared by a variety of dynamic methods according to the ISO 6145 series. However, these methods are not always applicable for semi-volatile organic compounds (SVOCs) due to their high boiling point and low vapour pressure. Therefore, a novel dynamic gas mixture generation system has been developed. With this system gas-phase standards with trace level VOCs and SVOCs in air can be prepared between 10 nmol mol<sup>-1</sup> and 1000 nmol mol<sup>-1</sup>. The VOCs and SVOCs in this study have normal boiling points ranging from 146 °C to 343 °C. Metrologically traceable reference materials of the gas-phase standard were obtained by sampling of the VOC gas-phase standard into Tenax TA® sorbent material in SilcoNert® coated stainless steel tubes. Accurately known masses between 10 ng and 1000 ng per VOC were sampled. These reference materials were used to validate the dynamic system. Furthermore, the storage and stability periods of the VOCs in the reference materials were determined as these are crucial characteristics to obtain accurate and SI-traceable reference materials. In a Round Robin Test (RRT), the reference materials were used with the aim of demonstrating the feasibility of providing SI-traceable standard reference values for SVOCs for interlaboratory comparison purposes. Based on the results from the validation, the storage and stability studies and the RRT, gas-phase standards and reference materials of VOCs and SVOCs with relative expanded uncertainties between 5 % and 12 % (<em>k</em> = 2) have been developed. These reference standards can be used as calibrants, reference materials or quality control materials for the analysis of VOC emissions.</p> <p>In this repository data from the validation, the storage and stability studies and the RRT are published which is used for the manuscript "Metrological generation of SI-traceable gas-phase standards and reference materials for (semi-) volatile organic compounds" published in Measurement Science and Technology.</p> <p>The following files can be found in this repository:</p> <p>- The following files contain data from the validation.Variation1_day1, Variation1_day2, Variation1_day3, Variation2_day1, Variation2_day2, Variation2_day3, Variation3_day1, Variation3_day2, Variation3_day3, Variation4_day1 and Variation4_day2. During the validation 4 different variations have been used and these have been tested on 3 or 2 days. The data contain information about the settings to obtain the gas-phase standard, reference materials and spiked tubes and the analysis data. </p> <p>- The "ANOVA validation data" file contains the ANOVA calculations used to obtain the repeatability standard deviation and reproducibility standard deviation.</p> <p>- The figure "Chromatogram VOCs used for the validation" is a copy of a chromatogram</p> <p>- The file "Storage and stability studies data" contains formation about the settings to obtain the gas-phase standard, reference materials and spiked tubes and the analysis data. </p> <p>- The figure "Chromatogram VOCs used for the storage and stability studies" is a copy of a chromatogram.</p> <p>- The file "RRT data" contains information about the settings to obtain the gas-phase standard, reference materials and spiked tubes and the analysis data. </p> <p>- The file "Report Homogeneity RRT" is a report on the homogeneity study performed during the RRT.</p> <p>- The figure "Chromatogram VOCs used for the RRT" is a copy of a chromatogram.</p> <p>- The file "VSL-Tubes-results-RR18-a". The dataset contains the results of a round robin test which tested the proficiency to analyse volatile organic compounds (VOC) of laboratories dealing with the determination of emissions from building materials. For this analysis check the participants were asked to send own sampling tubes filled with the adsorbent Tenax TA<sup>®</sup>, which were loaded with a reference gas mixture containing the compounds: styrene [100-42-5], n-decane [124-18-5], R(+)limonene [5989-27-5], 1,2,4-trimethylbenzene [95-63-6], decamethylcyclopentasiloxane [541-02-6], dimethylphthalate [131-11-3], dibutylphthalate [84-74-2], naphthalene [91-20-3], n-hexadecane [544-76-3] and eicosane [112-95 8]. These tubes were sent back to the participants for immediate analysis. The list of compounds was disclosed in advance. For all statistical evaluations, the mean values of the laboratories were used instead of all single measurement values. <strong>Expert laboratories:</strong> Laboratories who had successfully participated in the three former round robin tests (2014; 2016; 2018) organized by BAM were defined as expert laboratories. Their reported data were used to calculate the reference mean (ref. mean) and the reference standard deviation (ref st. dev.). <strong>Reference mean:</strong> The reference mean is determined as the robust mean value using the Hampel estimator (see Section C.5.3 in ISO 13528) on the basis of the results of the expert laboratories. It is a weighted arithmetic mean, with lower weights for outlying values. <strong>Standard deviation for proficiency assessment:</strong> The reference standard deviation for proficiency assessment is determined as the robust reproducibility standard deviation according to the Q method (see Section C.5.2 in ISO 13528) based on the results of the expert laboratories.</p>
Fig. 9 in Non-volatile constituents from Monimiaceae, Siparunaceae and Atherospermataceae plant species and their bioactivities: An up-date covering 2000-2021
Fig. 9. Miscellaneous compounds isolated from Siparuna species.
Fig. 6 in Non-volatile constituents from Monimiaceae, Siparunaceae and Atherospermataceae plant species and their bioactivities: An up-date covering 2000-2021
Fig. 6. Previously undescribed terpenoids isolated from Siparuna species.
Fig. 5 in Non-volatile constituents from Monimiaceae, Siparunaceae and Atherospermataceae plant species and their bioactivities: An up-date covering 2000-2021
Fig. 5. Structure of catechin, a known flavanol isolated from P. boldus.
Fig. 8 in Non-volatile constituents from Monimiaceae, Siparunaceae and Atherospermataceae plant species and their bioactivities: An up-date covering 2000-2021
Fig. 8. Known alkaloids isolated from the Siparunaceae family.
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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
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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.