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4,325 results for “real”
Data from: Residual eDNA detection sensitivity assessed by quantitative real-time PCR in a river ecosystem
Several studies have demonstrated that environmental DNA (eDNA) can be used to detect the presence of aquatic species, days to weeks after the target species has been removed. However, most studies used eDNA analysis in lentic systems (ponds or lakes), or in controlled laboratory experiments. While eDNA degrades rapidly in all aquatic systems, it also undergoes dilution effects and physical destruction in flowing systems, complicating detection in rivers. However, some eDNA (i.e. residual eDNA) can be retained in aquatic systems, even those subject to high flow regimes. Our goal was to determine residual eDNA detection sensitivity using quantitative real-time polymerase chain reaction (qRT-PCR), in a flowing, uncontrolled river after the eDNA source was removed from the system; we repeated the experiment over two years. Residual eDNA had the strongest signal strength at the original source site and was detectable there up to 11.5 hours after eDNA source removal. Residual eDNA signal strength decreased as sampling distance downstream from the eDNA source site increased, and was no longer detectable at the source site 48 hours after the eDNA source water was exhausted in both experiments. This experiment shows that residual eDNA sampled in surface water can be mapped quantitatively using qRT-PCR, which allows a more accurate spatial identification of the target species location in lotic systems, and relative residual eDNA signal strength may allow the determination of the timing of the presence of target species.
FIGURE 5 in A new species of Psychrophrynella (Anura: Craugastoridae) from the Cordillera Real, Department La Paz, Bolivia
FIGURE 5. Male of Psychrophrynella teqta sp. nov. (MNCN 45073) guarding eggs.
Effects of aging on eye movements in the real world
<p>The effects of aging on eye movements are well studied in the laboratory. Increased saccade latencies or decreased smooth-pursuit gain are well established findings. The question remains whether these findings are influenced by the rather untypical environment of a laboratory; that is, whether or not they transfer to the real world. We measured 34 healthy participants between the age of 25 and 85 during two everyday tasks in the real world: (I) walking down a hallway with free gaze, (II) visual tracking of an earth-fixed object while walking straight-ahead. Eye movements were recorded with a mobile light-weight eye tracker, the EyeSeeCam (ESC). We find that age significantly influences saccade parameters. With increasing age, saccade frequency, amplitude, peak velocity, and mean velocity are reduced and the velocity/amplitude distribution as well as the velocity profile become less skewed. In contrast to laboratory results on smooth pursuit, we did not find a significant effect of age on tracking eye-movements in the real world. Taken together, age-related eye-movement changes as measured in the laboratory only partly resemble those in the real world. It is well-conceivable that in the real world additional sensory cues, such as head-movement or vestibular signals, may partially compensate for age-related effects, which, according to this view, would be specific to early motion processing. In any case, our results highlight the importance of validity for natural situations when studying the impact of aging on real-life performance.</p>
Arabidopsis thaliana real dataset
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Real Influence: a novel approach to characterise the visibility of journals and publications. Datasets
<p>Supplementary material containing tables with the main pieces of data used in the publication entitled "Real Influence: a novel approach to characterise the visibility of journals and publications". This pieces of data were downloaded from the November 2022 snapshot of OpenAlex. Library Science and Information Science and Biochemistry and Molecular Biology.</p>
Analysis of the performance of Faster R-CNN and YOLOv8 in detecting fishing vessels and fishs in real time
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Figure 1 from: Neumann M, Ehnert F (2024) Knowledge re-integration in real-world laboratories to transform cities and communities: report on workshop designs. Research Ideas and Outcomes 10: e124018. https://doi.org/10.3897/rio.10.e124018
Figure 1 Zooming into phase C: the process of knowledge re-integration into societal practice in a TDR process.
raw data - Old Questions, New Answers: Real-World, Long-Term Efficacy of Hymenoptera Venom Immunotherapy: Prevalence of Venom-Induced Anaphylaxis, Risk Factors, Field Sting Reactions
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Real railway traffic - Alcacer Bridge in Portugal
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Not real or too soft? On the challenges of publishing interdisciplinary software engineering research (supplementary material)
<p>Supplementary material for paper "Not real or too soft? On the challenges of publishing interdisciplinary software engineering research" (ICSE 2025 SEIS track).</p>
Replication data of Autonomous flow routing for near real-time quality of service assurance
<p>The dataset contains replication data of the journal paper titled "Autonomous Flow Routing for Near Real-Time Quality of Service Assurance", published in IEEE Transactions on Network and Service Management, doi: 10.1109/TNSM.2023.3339201.</p>
Design of a custom-made device for real-time optical measurement of differential mineral concentrations in 3D scaffolds for bone tissue engineering
<p>Monitoring bone tissue engineered constructs during their maturation is important to ensure the quality of applied protocols. Several destructive, mainly histochemical, methods are conventionally used to this aim, requiring the sacrifice of the investigated samples. This implies i) to plan several scaffold replicates, ii) expensive and time consuming procedures and iii) to infer the maturity level of a given tissue construct from a cognate replica. To solve these issues, non-destructive techniques such as light spectroscopy-based methods have been reported to be useful. Here, a miniaturized and inexpensive custom-made spectrometer device is proposed to enable the non-destructive analysis of hydrogel scaffolds. Testing involved samples with a differential amount of calcium salt. When compared to a reference standard device, the custom-made spectrometer demonstrates the ability to perform measurements without requiring elaborate sample preparation and/or a complex instrumentation. This preliminary study shows the feasibility of light spectroscopy-based methods as useful for the non-destructive analysis of tissue engineered constructs. Based on these results the custom-made spectrometer device appears as a useful option to perform real-time/in-line analysis. Finally, the device can be considered as a component that can be easily integrated on board of recently prototyped bioreactor systems, for the monitoring of the tissue engineered constructs during their conditioning.</p>
Evaluation of real-world high-degree graphs
<p>Evaluation of real-world high-degree graphs</p>
Static Code Analysis Alarms Filtering Reloaded: an ML Approach and its Empirical Evaluation on a New Real-World Dataset
<p>This is a replication data package for a paper titled "<em>Static Code Analysis Alarms Filtering Reloaded: an ML Approach and its Empirical Evaluation on a New Real-World Dataset</em>".</p> <p>Paper abstract: Even though Static Code Analysis (SCA) tools are integrated into many modern software building and testing pipelines, their practical impact is still seriously hindered by the excessive number of false positive warnings they usually produce. To cope with this problem, researchers have proposed several post-processing methods that aim to filter out false hits (or equivalently identify ``actionable'' warnings) after the SCA tool produced its results. However, we found that most of these approaches are targeted (i.e., deal with only a few SCA warning types) and evaluated on synthetic benchmarks or small-scale manually collected data sets (i.e., with typical sample sizes of several hundred).</p> <p>In this paper, we present a code embedding-based approach for filtering false positive warnings produced by 160 different SonarQube rule checks, one of the most widely adopted SCA tools today. We evaluate the method on a dataset containing 224,484 real-world warning samples fixed (true positive samples) or ignored (false positive samples) by the developers, which we collected from 9,958 different open-source Java projects from GitHub using a data mining approach. It is the most extensive real-world study and public dataset we know of in this area. Our method works with an accuracy of 91% (best F1-score of 81.3% and AUC of 95.3%) for the classification of SonarQube warnings.</p>
Figure 9 from: Dorri K, Modaresi F, Shakibaie MR, Moazamian E (2022) Effect of gold nanoparticles on the expression of efflux pump mexA and mexB genes of Pseudomonas aeruginosa strains by Quantitative real-time PCR. Pharmacia 69(1): 125-133. https://doi.org/10.3897/pharmacia.69.e77608
Figure 9 Results of toxA gene replication in clinical isolates of Pseudomonas aeruginosa. Well 1: marker size 50 bp; Well 2–23: positive samples of size 85 bp; Well 24: negative control; Well 25: positive control of Pseudomonas aeruginosa PTCC 17589.
Figure 8 from: Dorri K, Modaresi F, Shakibaie MR, Moazamian E (2022) Effect of gold nanoparticles on the expression of efflux pump mexA and mexB genes of Pseudomonas aeruginosa strains by Quantitative real-time PCR. Pharmacia 69(1): 125-133. https://doi.org/10.3897/pharmacia.69.e77608
Figure 8 Results of Pela gene replication in clinical isolates of Pseudomonas aeruginosa. Well 1: marker size 50 bp; Well 2–23: positive samples of size 148 bp; Well 24: negative control; Well 25: positive control of Pseudomonas aeruginosa PTCC 17589.
Figure 7 from: Dorri K, Modaresi F, Shakibaie MR, Moazamian E (2022) Effect of gold nanoparticles on the expression of efflux pump mexA and mexB genes of Pseudomonas aeruginosa strains by Quantitative real-time PCR. Pharmacia 69(1): 125-133. https://doi.org/10.3897/pharmacia.69.e77608
Figure 7 Results of lasR gene replication in clinical isolates of Pseudomonas aeruginosa. Well 1: marker size 50 bp; Well 2–26: positive samples of size 130 bp; Well 27: negative control; Well 28: positive control of Pseudomonas aeruginosa PTCC 17589.
Figure 4 from: Dorri K, Modaresi F, Shakibaie MR, Moazamian E (2022) Effect of gold nanoparticles on the expression of efflux pump mexA and mexB genes of Pseudomonas aeruginosa strains by Quantitative real-time PCR. Pharmacia 69(1): 125-133. https://doi.org/10.3897/pharmacia.69.e77608
Figure 4 Results of gyrB gene replication in clinical isolates of Pseudomonas aeruginosa. Well 1: marker size 50 bp; Well 2–26: positive samples of size 222 bp; Well 27: negative control; Well 28: positive control of Pseudomonas aeruginosa PTCC 17589.
Figure 6 from: Dorri K, Modaresi F, Shakibaie MR, Moazamian E (2022) Effect of gold nanoparticles on the expression of efflux pump mexA and mexB genes of Pseudomonas aeruginosa strains by Quantitative real-time PCR. Pharmacia 69(1): 125-133. https://doi.org/10.3897/pharmacia.69.e77608
Figure 6 Results of exoT gene replication in clinical isolates of Pseudomonas aeruginosa. Well 1: marker size 50 bp; Well 2–36: positive samples of size 471 bp; Well 37: negative control; Well 38: positive control of Pseudomonas aeruginosa PTCC 17589.
Figure 5 from: Dorri K, Modaresi F, Shakibaie MR, Moazamian E (2022) Effect of gold nanoparticles on the expression of efflux pump mexA and mexB genes of Pseudomonas aeruginosa strains by Quantitative real-time PCR. Pharmacia 69(1): 125-133. https://doi.org/10.3897/pharmacia.69.e77608
Figure 5 Results of rhlR gene replication in clinical isolates of Pseudomonas aeruginosa. Well 1: marker size 50 bp; Well 2–26: positive samples of size 133 bp; Well 27: negative control; Well 28: positive control of Pseudomonas aeruginosa PTCC 17589.
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.