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Dataset results
13 results for “Chemical Volatiles”
Emission of volatile organic compounds from residential biomass burning and their rapid chemical transformations.
<p>Volatile Organic Compounds (VOCs) were monitored during the Ioannina 2022/23 winter campaign, in north-east Greece. The campaign was carried out between December 6th, 2021, and January 10th, 2022. Nitrogen oxides, carbon monoxide, carbon dioxide, methane, PM10 and Black carbon were also monitored, as well as meteorological variables. Ioannina is nested within the Dinaric mountains and suffers from intense winter pollution events, due to the topology which traps the pollution over the city. The instruments deployed included a Proton Transfer Time-of-Flight Mass Spectrometry (PTR-ToF-MS 4000 – Ionicon GmbH, Austria), a greenhouse gas monitor (G2301 – Picarro Inc., USA), a suite of carbon monoxide, ozone, nitrogen oxide analyzers (APMA-360, APNA-360 and APOA-360 – Horiba Ltd., Japan), a PM10 monitor (F-701-20 – DURAG, Germany), an aethalometer (AE33 – Magee Scientific, USA) and a weather station. Radiation, historical temperature data from the University of Ioannina, and PMF analysis results are also submitted.</p>
Chemical activities of platinum and gold under a hydrous condition at high pressure with implication for deep volatile storage
<p>This file contains published datasets for "Chemical activities of platinum and gold under a hydrous condition at high pressure with implication for deep volatile storage"</p>
Unwanted loss of volatile organic compounds (VOCs) during in situ chemical oxidation sample preservation: Mechanisms and solutions
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The field measured size-dependent volatility of ambient fine particles at different heating temperatures and the retrieval of aerosol chemical composition
<p>This is the data used in the paper of “Qiao, X, R., Chen, L., Ren, J, Y., et al. The field measured size-dependent volatility of ambient fine particles at different heating temperatures and the retrieval of aerosol chemical composition. Journal of Geophysical Research - Atmospheres”.</p>
Chemical volatiles of hoopoes nest and secretions
<p>Some parasites use olfactory cues to detect their hosts and, since bacterial symbionts are partially responsible of animal odors, they could also determine parasitism of their hosts. By experimental manipulation of the microbiota of hoopoe (<em>Upupa epops</em>) nests before reproduction started, we explore the hypothetical links between symbiotic bacteria and volatiles, and between both of them and parasitism. We estimated level of ectoparasitism of chewing lice in females and of <em>Carnus haemapterus </em>flies in nestlings, characterized microbial communities (from nest materials and uropygial secretions), and volatile profiles (from nest environment and uropygial secretion) during the nestling stage. Nests with autoclaved nest material had less diverse bacterial communities, more diverse volatile-profiles, and their occupants experienced lower intensity of parasitism than those in control nests. The experiment also affected beta diversity of the microbial communities of nest material and volatiles of the nestling uropygial-secretions. Moreover, microbial communities of uropygial secretions and nest materials covaried with their volatile profiles, while the volatile profile of secretions explained nest odor. Finally, some of the volatiles and bacteria detected in the nest material and secretions were associated with ectoparasitism intensity of females and nestlings, and with fledging success. These results support the expected links between microbial communities and animal odors, and strongly suggest that the associations between symbiotic bacteria and both ectoparasitism and reproductive success are partially mediated by volatiles of bacterial origin. Future work should focus on mechanisms explaining the detected patterns.</p>
Figure data of "Variation in chemical composition and volatility of oxygenated organic aerosol in different rural, urban, and mountain environments"
<p>This dataset involves the data that is used for the figures in "Variation in chemical composition and volatility of oxygenated organic aerosol in different rural, urban, and mountain environments".</p>
Analysis of Volatile Chemicals in Lung Cancer Screen-Eligible Subjects Using Infrared Spectroscopy
ClinicalTrials.gov study NCT05174468. IPD Sharing: NO. Countries: 1. Publications: 5.
Breath Test for Chemicals (Volatile Organic Compounds)
ClinicalTrials.gov study NCT01437033. IPD Sharing: Not stated. Countries: 1. Publications: 3.
Data from: Comparative chemical analysis of volatile compounds of Echinops ilicifolius using hydrodistillation and headspace solid-phase microextraction and the antibacterial activities of its essential oil
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Chemical volatiles of hoopoes nest and secretions
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Data from: Selection by parasitoid females among closely related hosts based on volatiles: Identifying relevant chemical cues
Parasitoid fitness is influenced by the ability to overcome host defense strategies and by the ability of parasitoid females to select high-quality host individuals. When females are unable to differentiate among hosts, their fitness will decrease with an increasing abundance of resistant hosts. To understand the effect of mixed host populations on female fitness, it is therefore necessary to investigate the ability of female parasitoids to select among hosts. Here, we used behavioral assays, headspace volatile collection, and electrophysiology to study the ability of Asecodes parviclava to use olfactory cues to select between a susceptible host (Galerucella calmariensis) and a resistant host (Galerucella pusilla) from a distance. Our studies show that parasitoid females have the capacity to distinguish the two hosts and that the selection behavior is acquired through experiences during earlier life stages. Further, we identified two volatiles (α-terpinolene and [E]-β-ocimene) which amounts differ between the two plant–herbivore systems and that caused behavioral and electrophysiological responses. The consequence of this selection behavior is that females have the capacity to avoid laying eggs in G. pusilla, where the egg mortality is higher due to much stronger immune responses toward A. parviclava than in larvae of G. calmariensis.
Data from: Selection by parasitoid females among closely related hosts based on volatiles: Identifying relevant chemical cues
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Benchmark Dose Modeling Approaches for Volatile Organic Chemicals using a Novel Air-Liquid Interface In Vitro Exposure System
GEO Series GSE199794. Homo sapiens. 555 samples. Type: Expression profiling by high throughput sequencing.
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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)
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.