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1,084 results for “substrate”
Unveiling the substrate-dependent dynamics of mycotoxin production in Fusarium verticillioides using an OSMAC-metabolomics approach
<p>UHPLC-HRMS raw data files from the article : "Unveiling the substrate-dependent dynamics of mycotoxin production in Fusarium verticillioides using an OSMAC-metabolomics approach"</p>
Source Data for Supplementary Information of "Expanding the substrate scope of PylRS enzymes to include non-⍺-amino acids in vitro and in vivo"
<p>The attached excel file contains the source data for LC-MS traces shown in the Supplementary Information of the paper "Expanding the substrate scope of PylRS enzymes to include non-⍺-amino acids in vitro and in vivo." Each graph is contained in a tab and labeled with the Supplementary Figure number and panel with which it is associated.</p>
Data to the paper "Drop impact onto a moving substrate: Aerodynamic rebound"
<p>These are the data used in the paper :<br>"Drop Impact onto a Moving Substrate: Aerodynamic Rebound."</p>
Figs. 1a-d. a in Efficiency of indolebutyric Acid And different substrAtes in yerbA MAte cuttings
Figs. 1a-d. a. Leaf number; b. root number; c. longest root length; d. shoot height of Ilex paraguariensis cuttings submitted to different concentrations of IBA (indolebutyric acid). T1: control treatment (no IBA added); T2: 1.0 mg L-1 IBA; T3: 3.0 mg L-1 IBA; T4: 5.0 mg L-1 IBA. Values are the average of 30 samples ± standard error. Mean values with different letters are different by the Tukey test (p ≤ 0.05).
Figure 2. Subfossil riverbed substrate with a in A taxonomic revision of fossil freshwater pearl mussels (Bivalvia: Unionoida: Margaritiferidae) from Pliocene and Pleistocene deposits of Southeastern Europe
Figure 2. Subfossil riverbed substrate with a Pseudunio flabellatiformis shell, Sucleia outcrop, paleo-Dniester River valley, Middle Pleistocene, Moldova. Scale bar = 100 mm. Photo: Teodor F. Obada.
Fig. 3 in Response of male Centruroides vittatus (Scorpiones: Buthidae) to aerial and substrate-borne chemical signals
Fig. 3: The movement of a male scorpion during a 3-minute trial. Scorpion position was marked by a dot every 5 seconds of the trial. In general, the movement path has more space between dots in the "no-stimulus" side (top) versus the "stimulus" side (bottom). The average distance (+/- standard deviation) traveled between 5 second plots: no-stimulus side = 15.3 +/- 7.8 mm (median = 12.5 mm), stimulus side = 10.8 +/- 5.9 mm (median = 8.0 mm). "BL" indicates occurrence of a backward lunge.
Fig. 1 in Response of male Centruroides vittatus (Scorpiones: Buthidae) to aerial and substrate-borne chemical signals
Fig. 1: Y-shaped arena for Experiments 1, 2, and 3 to test airborne chemical communication in C. vittatus.
Supplementary file to "Effect of heat treatment on microbiological safety of supermarket food waste as substrate for black soldier fly larvae (Hermetia illucens)"
Open the record for dataset details and reuse information.
Quantifying biostabilisation effects of biofilm-secreted and extracted extracellular polymeric substances (EPS) on sandy substrate
<p>This dataset provides the data underlying the manuscript <em>Quantifying biostabilisation effects of biofilm-secreted and extracted extracellular polymeric substances (EPS) on sandy substrate </em>published in Earth Surface Dynamics - an interactive open-access journal of the European Geosciences Union.</p> <p>The work was conducted in the Total Environment Simulator at the University of Hull as part of Task 9.3 of the Hydralab+ inititiative. </p> <p>Microbial assemblages ('biofilms') preferentially develop at water-sediment interfaces and are known to have a considerable influence on sediment stability and erodibility. There is potential for significant impacts on sediment transport and morphodynamics and, hence, on the longer-term evolution of coastal and fluvial environments. However, the biostabilisation effects remain poorly understood and quantified due to the inherent complexity of biofilms and the large spatial and temporal (i.e. seasonality) variations involved. Here, we use controlled laboratory tests to systematically quantify the effects of natural biofilm colonisation as well as extracted extracellular polymeric substances (EPS) on sediment stability. Extracted EPS may be useful to simulate biofilm-mediated biostabilisation, and potentially provides a method of speeding up time scales of physical modelling experiments investigating biostabilisation effects. We find a mean biostabilisation effect due to natural biofilm colonisation and development of almost four times that of the uncolonised sand. The presented cumulative probability distribution of measured critical threshold for erosion of colonised sand reflects the large spatial and temporal variations generally seen in natural biostabilised environments. For identical sand, engineered sediment stability from the addition of extracted EPS compares well across the measured range of the critical threshold for erosion and behaves in a linear and predictable fashion. Yet, the effectiveness of extracted EPS to stabilise sediment is sensitive to the preparation procedure, time after application and environmental conditions such as salinity, pH and temperature. These findings are expected to improve bio-physical experimental models in fluvial and coastal environments and provide much-needed quantification of biostabilisation to improve predictions of sediment dynamics in aquatic ecosystems.</p>
Structural dynamics of the E6AP/UBE3A-E6-p53 enzyme-substrate complex
<p>Deregulation of the ubiquitin ligase E6AP is causally linked to the development of human disease, including cervical cancer. In complex with the E6 oncoprotein of human papillomaviruses, E6AP targets the tumor suppressor p53 for degradation, thereby contributing to carcinogenesis. Moreover, E6 acts as a potent activator of E6AP by a yet unknown mechanism. However, structural information explaining how the E6AP-E6-p53 enzyme-substrate complex is assembled, and how E6 stimulates E6AP, is largely missing. We therefore developed and applied different approaches in structural mass spectrometry to show that binding of E6 induces conformational rearrangements in E6AP, which result in the positioning of E6 and p53 in the immediate vicinity of the catalytic centre of E6AP. Our data provides structural and functional insights into the dynamics of the full-length E6AP-E6-p53 enzyme-substrate complex and reveals how E6 can both stimulate the ubiquitin ligase activity of E6AP and facilitate the transfer of ubiquitin from E6AP onto p53.</p>
Nonlinear imaging microscopy for assessing structural and photochemical modifications upon laser removal of dammar varnish on photosensitive substrates
<p>Varnish layers are commonly used to protect painted surfaces from atmospheric pollution, oxidation<br> and improve the aesthetic appearance of the artwork by providing an even surface finish, brilliance and<br> depth to the colours. However, the outer varnish layers suffer from progressive deterioration due to<br> aging and the continuous exposure to aggressive environmental conditions, imposing the need of their<br> removal for rectifying the optical and aesthetic properties of the painting and extend its lifetime. The<br> removal of the surface varnish layer, without affecting the painting substrate, comprises a delicate<br> intervention in cultural heritage (CH) conservation.<br> The main objective of this study is to determine by nonlinear imaging microscopy (NLM) the extent of<br> the photochemical damage that could be induced on underlying painting layers by laser removal of<br> varnish protective coatings. This will lead to the identification of the optimal laser cleaning conditions<br> that produce the minimum collateral damage to the painting layers.<br> The current study is undertaken using model samples constituted by bilayers, where the top varnish<br> layer (dammar) coats a bottom layer constituted by a doped synthetic polymer (polymetilmetacrilate,<br> PMMA doped with POPUP) film, the latter mimicking a paint layer. The target is to determine the<br> affected region as a function of depth of the doped polymer layer induced by laser ablation of the<br> varnish. To this aim we use the non destructive NLM imaging modalities of third harmonic generation<br> (THG) and multiphoton excitation fluorescence (MPEF) as novel diagnostic tools and a number of<br> laser conditions for varnish removal, namely different ultraviolet (UV) wavelengths and pulse durations.<br> Characterization of the samples by NLM is complemented by spectroscopic micro-Raman and laser<br> induced fluorescence (one-photon excitation) measurements. These provide a full characterization of<br> the lateral and in-depth chemical and morphological changes following laser removal of the varnish<br> protective layer.</p>
Nonlinear imaging microscopy for assessing structural and photochemical modifications upon laser removal of dammar varnish on photosensitive substrates
<p>The nonlinear optical microscopy (NLM) modalities of Multi-Photon Excited Fluorescence (MPEF) and Third Harmonic Generation (THG) have been combined in this work to characterize as a function of depth with micrometric resolution the type and extent of morphological and photochemical modifications that take place upon ultraviolet (UV) pulsed laser removal of a dammar varnish layer applied on a photosensitive substrate. The latter consists on a layer of the synthetic polymer polymethyl methacrylate doped with a photosensitizer, the aromatic compound 1,4-di[2-(5-phenyloxazolyl)] benzene, that strongly fluoresces upon UV light illumination. A number of laser conditions for partial or total elimination of the varnish coating were explored, namely different wavelengths (266, 248 and 213 nm) and pulse durations, in the nanosecond, picosecond and femtosecond ranges. Changes in the MPEF signals upon laser ablation of the outermost varnish layer successfully signpost photochemical modifications of the varnish or of the photosensitive under-layer, and their dependence with the laser ablation parameters, i.e., wavelength and pulse duration. In turn, THG signals mark the presence of layer boundaries and the reduction by laser ablation of the thickness of the varnish coating. The obtained MPEF and THG data are complemented by morphological observation by optical microscopy and measurements of laser induced fluorescence and micro-Raman spectra of the samples before and after laser ablation at the selected laser irradiation conditions. The results acquired through these nondestructive NLM imaging techniques serve to understand the phenomena that are induced upon laser ablation and to determine the best operating conditions that ensure controlled removal of the varnish with minimal morphological and chemical modifications to the under-layers. This research is of direct application to the UV pulsed laser cleaning of paintings and demonstrates the potential of NLM as a novel assessment tool for non-destructive, on line monitoring of the laser cleaning process.</p>
Text-fig. 5. Original material of Peziza sulphurea (syntype L 910,261-594), the substrate and schema with location of six apothecia and two fragments of apothecia. Apothecia marked with numbers 1–3 were examined microscopically. in A Revision Of Trichopeziza Lizonii, T. Sulphurea And T. Violascens (Ascomycota, Helotiales) From The Herbarium Prm With Notes On Type Material Of Peziza Sulphurea
Text-fig. 5. Original material of Peziza sulphurea (syntype L 910,261-594), the substrate and schema with location of six apothecia and two fragments of apothecia. Apothecia marked with numbers 1–3 were examined microscopically.
Figure 12 in Сarbon fluxes intensity from substrates and phototrophic consortiums of the photic zones in Montenegro caves
Figure 12. GPP per unit weight of dry phytomass of consortiums of the photic zones in Montenegro caves.
Fig. 2 in Effect of two oviposition feeding substrates on Orius insidiosus and Orius tristicolor (Hemiptera: Anthocoridae)
Fig. 2. Cumulative daily fertility for Orius tristicolor females on 2 oviposition substrates: bean pods and pepper fruits.
Fig. 3 in Effect of two oviposition feeding substrates on Orius insidiosus and Orius tristicolor (Hemiptera: Anthocoridae)
Fig. 3. Survival curves (in %) of Orius insidiosus females on 2 oviposition substrates under controlled conditions (25 ± 1 °C, 65 ± 10% RH, and a 16:8 h [L:D] photoperiod): bean pods and pepper fruits.
Fig. 1. Egg masses deposited per m2 in Evaluating materials to serve as removable oviposition substrates for Lycorma delicatula (Hemiptera: Fulgoridae) under field conditions
Fig. 1. Egg masses deposited per m2 of removable substrates deployed in direct contact with Ailanthus altissima in 2019. Kruskal-Wallis analysis with Steel-Dwass post hoc applied: bars (means ± SE) sharing a letter were not significantly different from each other. Total egg masses collected from each substrate type is speci- fied above each bar.
Fig. 6 in Do changes in riparian zones affect periphyton growth and invertebrate colonization on rocky substrates in Atlantic Forest streams?
Fig. 6. Canonical analysis of principal coordinates (CAP) of invertebrates associated with cobbles in Luxemburgo (gray circles), Macuco (black squares) and Pau Amarelo (white diamonds) streams, state of Espírito Santo, Brazil. Only taxa vectors with correlations>0.3 are included in the plot. T7, T15, T30, T45 and T60: sampling intervals (Bae: Baetidae; Calo, Calopterygidae; Chi, Chironominae; Elm.A, Elmidae adult; Elm.L, Elamidae larva; Emp, Empididae; Ger, Gerridae; Gom, Gomphidae; Hel, Helichopsychidae; Hydra, Hydracarina; Hyd.psy, Hydropsychidae; Hyd.ptil, Hydroptilidae; Lep.cer, Leptoceridae; Lep.hyp, Leptohyphidae; Lep.phl, Leptophlebiidae; Meg, Megapodagrionidae; Nau, Naucoridae; Odo, Odontoceridae; Oli, Oligochaeta; Ort, Orthocladiinae; Per, Perlidae; Philo, Philopotamidae; Poly, Polycentropodidae; Pse, Psephenidae; Psy, Psychodidae; Tany, Tanypodinae; Vel, Veliidae).
Fig. 3 in Do changes in riparian zones affect periphyton growth and invertebrate colonization on rocky substrates in Atlantic Forest streams?
Fig. 3. Values (mean ± SE) of invertebrate density associated with cobbles in Luxemburgo (thin solid line, gray circles), Macuco (thick solid line, black squares) and Pau Amarelo (dashed line, white diamonds) streams, state of Espírito Santo, Brazil.
Fig. 5 in Do changes in riparian zones affect periphyton growth and invertebrate colonization on rocky substrates in Atlantic Forest streams?
Fig. 5. Species accumulation curves (Mao-Tau sampled based rarefaction with 95% confidence intervals) of invertebrates associated with cobbles in Luxemburgo (thin solid line, gray circles), Macuco (thick solid line, black squares) and Pau Amarelo (dashed line, white diamonds) streams, state of Espírito Santo, Brazil.
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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.