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288 results for “Method development”
Figure 1 from: Strus O, Fedorovska M, Holota S, Polovko N (2021) Development and validation of standardization methods of aqueous sapropel extract. Pharmacia 68(4): 933-939. https://doi.org/10.3897/pharmacia.68.e71783
Figure 1 Structures of humic acid basic core (A) and fulvic acid (B). Source: (Wang and Mulligan 2018).
Figure 2 from: Mateeva A, Peikova L, Kondeva-Burdina M, Georgieva M (2022) Development of new HPLC method for identification of metabolic degradation of N-pyrrolylhydrazide hydrazones with determined MAO- B activity in cellular cultures. Pharmacia 69(1): 15-20. https://doi.org/10.3897/pharmacia.69.e78417
Figure 2 Chromatograms demonstrating the hepatocytic metabolism of analyte at 30th min (A) and at 60th min (B).
Figure 4 from: Peikova L, Tzankova D, Dineva A, Georgieva M, Zlatkov A (2019) Development of a chiral RP-HPLC method for identification of stereomers of newly synthesized xanthine-based hydrazide-hydrazone compound. Pharmacia 66(1): 1-6. https://doi.org/10.3897/pharmacia.66.e35643
Figure 4 Representative chromatogram of the analyzed 2-(1,3-dimethyl-2,6-dioxo-2,3-dihydro-1H-purine-7(6H)-yl)-N'-(3-fluoro-benzylidene)propanehydrazide.
Figure 2 from: Peikova L, Tzankova D, Dineva A, Georgieva M, Zlatkov A (2019) Development of a chiral RP-HPLC method for identification of stereomers of newly synthesized xanthine-based hydrazide-hydrazone compound. Pharmacia 66(1): 1-6. https://doi.org/10.3897/pharmacia.66.e35643
Figure 2 A typical chromatogram of 2-(1,3-dimethyl-2,6-dioxo-2,3-dihydro-1H-purine-7(6H)-yl)-N'-(3-fluorobenzylidene)propanehydrazide racemate analysed using the final chromatographic conditions.
Figure 1 from: Peikova L, Tzankova D, Dineva A, Georgieva M, Zlatkov A (2019) Development of a chiral RP-HPLC method for identification of stereomers of newly synthesized xanthine-based hydrazide-hydrazone compound. Pharmacia 66(1): 1-6. https://doi.org/10.3897/pharmacia.66.e35643
Figure 1 Chemical structure of the evaluated 2-(1,3-dimethyl-2,6-dioxo-2,3-dihydro-1H-purine-7(6H)-yl)-N'-(3-fluorobenzylidene)propanehydrazide.
Development of a Method for Thermogalvanic Characterization of Li-Ion Electrodes: A Case Study in Thin-Film Anatase TiO2
<p>This dataset contains the raw data for the publication "Development of a Method for Thermogalvanic Characterization of Li-Ion Electrodes: A Case Study in Thin-Film Anatase TiO2" by Hubrechtsen et al, published in Chemistry of Materials. The upload includes all data for the original figures presented in the main paper and the supporting information, organized in labelled folders containing raw data and the corresponding figure. </p>
INTERACTIVE TEACHING METHODS AS MEANS OF DEVELOPING STUDENTS' MENTAL ACTIVITY
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Supplementary material 1 from: Ferro ML, Summerlin M (2019) Developing a standardized list of entomological collection methods for use in databases. ZooKeys 861: 145-156. https://doi.org/10.3897/zookeys.861.32347
: Data type: reference p
Figure 1 from: Ferro ML, Summerlin M (2019) Developing a standardized list of entomological collection methods for use in databases. ZooKeys 861: 145-156. https://doi.org/10.3897/zookeys.861.32347
Figure 1 Examples of the three general collecting technique categories. Active human collecting: a hand collecting b netting c using a beat sheet; active specimen orientation d light trapping e baiting f pheromone attractant; passive specimen collection g flight intercept trap h Winkler Sampler i emergence trap.
Figure 5 from: Tzankova D, Peikova L, Vladimirova S, Georgieva M (2019) Development and validation of RP-HPLC method for stability evaluation of model hydrazone, containing a pyrrole ring. Pharmacia 66(3): 127-134. https://doi.org/10.3897/pharmacia.66.e47035
Figure 5 Chromatogram of the separated mixture of the analyzed hydrazone D-5d (tR = 6.800) and its possible degradation products – the hydrazide D-5 (tR = 4.387) and the corresponding aldehyde d (tR = 1.387).
Figure 7 from: Tzankova D, Peikova L, Vladimirova S, Georgieva M (2019) Development and validation of RP-HPLC method for stability evaluation of model hydrazone, containing a pyrrole ring. Pharmacia 66(3): 127-134. https://doi.org/10.3897/pharmacia.66.e47035
Figure 7 Chromatograms indicating the behavior of D_5d in the presence of buffer with pH 2.0 and at 37°C at 0th min (A) and at 30th min (B).
Figure 4 from: Tzankova D, Peikova L, Vladimirova S, Georgieva M (2019) Development and validation of RP-HPLC method for stability evaluation of model hydrazone, containing a pyrrole ring. Pharmacia 66(3): 127-134. https://doi.org/10.3897/pharmacia.66.e47035
Figure 4 Chromatogram of standard solution of the aldehyde d (tR = 1.283) as possible degradation product.
Figure 3 from: Tzankova D, Peikova L, Vladimirova S, Georgieva M (2019) Development and validation of RP-HPLC method for stability evaluation of model hydrazone, containing a pyrrole ring. Pharmacia 66(3): 127-134. https://doi.org/10.3897/pharmacia.66.e47035
Figure 3 Chromatogram of standard solution of the hydrazide D-5 (tR = 4.380) as possible degradation product.
Figure 8 from: Tzankova D, Peikova L, Vladimirova S, Georgieva M (2019) Development and validation of RP-HPLC method for stability evaluation of model hydrazone, containing a pyrrole ring. Pharmacia 66(3): 127-134. https://doi.org/10.3897/pharmacia.66.e47035
Figure 8 Chromatograms indicating the behavior of D_5d in the presence of buffer with pH 9.0 and at 37°C at 0th min (A) and at 210th min (B).
Figure 9 from: Tzankova D, Peikova L, Vladimirova S, Georgieva M (2019) Development and validation of RP-HPLC method for stability evaluation of model hydrazone, containing a pyrrole ring. Pharmacia 66(3): 127-134. https://doi.org/10.3897/pharmacia.66.e47035
Figure 9 Chromatograms indicating the behavior of D_5d in the presence of buffer with pH 13.0 and at 37°C at 0th min (A) and at 30th min (B).
EXPERIMENTAL STUDY ON THE EFFECTIVENESS OF DEVELOPED METHODS FOR TEACHING CREATIVE WRITING
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Figure 10. Landmarks and the thin plate spline resulting from a in Morphometrics: History, development methods and prospects
Figure 10. Landmarks and the thin plate spline resulting from a comparison of D'Arcy Thompson's (1917) drawings of Argyroplecus (left) and Sternoptyx (right) after GLS Procrustes alignment of their landmark configurations. In this calculation Argyroplecus was designated as the reference configuration and Sternoptyx the target configuration. It is instructive to compare the calculated thin plate spline representation of this deformation with Thompson's conceptual transformation grid for these same images (see Fig. 4). The total bending energy (= anisotropic deformation) is calculated as the sum of bending energies specified by the reference-to-target deformation at each landmark location and represents a useful means of quantifying shape variation within the sample. For this comparison the total bending energy is 1.25.
Development of a multi-excitation fluorescence (MEF) imaging method to improve the information content of benthic coral reef surveys
<p>Benthic surveys are a key component of monitoring and conservation efforts for coral reefs worldwide. While traditional image-based surveys rely on manual annotation of photographs to characterise benthic composition, automatic image annotation based on computer vision is becoming increasingly common. However, accurate classification of some benthic groups from reflectance images presents a challenge to local ecologists and computers alike. Most coral reef organisms produce one or a combination of fluorescent pigments, such as Green Fluorescent Protein (GFP)-like proteins found in corals, chlorophyll-a found in all photosynthetic organisms, and phycobiliproteins found in red macroalgae, crustose coralline algae (CCA) and cyanobacteria. Building on the potential of these pigments as a target for automatic image annotation, we developed a novel imaging method based on off-the-shelf components to improve classification of coral and other biotic substrates using a multi-excitation fluorescence (MEF) imaging system. We used RGB cameras to image the fluorescence emission of coral and algal pigments stimulated by narrow-waveband blue and green light, and then combined the information into 3-channel pseudocolour images. Using a set of <i>a priori</i> rules defined by the relative pixel intensity produced in different channels, the method achieved successful classification of organisms into three categories based on the dominant fluorescent pigment expressed, facilitating discrimination of traditionally problematic groups. This work provides a conceptual foundation for future technological developments that will improve the cost, accuracy and speed of coral reef surveys.</p>
DATA AVAILABILITY FOR PAPER ENTITLED "Potential Educational Method for Socio-Emotional Development of Stunted Toddler in Indonesia "
<p>This repository includes:</p> <p>1. List of appendices</p> <p>2. Certificate of ethical test </p>
Development of the Eating Behaviour Lapse Inventory Survey Singapore (eBLISS):An Exploratory Mixed-method Study
ClinicalTrials.gov study NCT04833803. IPD Sharing: NO. Countries: 0. Publications: 2.
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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.