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- Creator:
- Hutson, Abby , Fujisaki-Manome, Ayumi, and Glassman, Ryan
- Description:
- The data herein resulted from a study documenting the characteristics of extratropical cyclones that pass through the Great Lakes Region (GLR) and how the cyclones are trending with time. All scripts used to create these data can be found in the Github repository https://github.com/abkenyon/GLStormTrends_2024. storm_track_slp_xxxx.npz - Structured numpy files containing all storm tracks identified over one cold season, regardless of whether the storm encountered the GLR, with the file name indicating the year on which the season ended. storm_composite_xxxx-xxxx.nc - NetCDF files containing one seasonal cyclone composite with different atmospheric variables. A composite is storm-centered, and covers a 20 degree square area.
- Keyword:
- Extratropical Cyclones, Climate Trends, Great Lakes Climate
- Citation to related publication:
- Hutson A, Fujisaki-Manome A, Glassman R.: Historical Trends in Cold-Season Mid-Latitude Cyclones. Geophysical Research Letters. In press..
- Discipline:
- Science
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- Creator:
- El Shair, Zaid A., Abu-raddaha, Abdalmalek , Cofield, Aaron, Alawneh, Hisham, Aladem, Mohamed, Hamzeh, Yazan, and Rawashdeh, Samir A.
- Description:
- The SID dataset was curated to support advanced research in autonomous driving systems, particularly focusing on perception under adverse weather and lighting conditions. This dataset encompasses over 178k high-resolution stereo image pairs organized into 27 sequences, reflecting a rich variety of conditions such as snow, rain, fog, and low light. It covers dynamic changes in driving scenarios and environmental backgrounds, including university campuses, residential streets, and urban settings. The dataset is designed to challenge perception algorithms with scenarios such as partially obscured camera lenses and varying visibility, promoting the development of robust computer vision models. No specialized software or scripts are necessary for accessing the image data, as the files are provided in standard PNG format. However, researchers and developers may require their image processing and computer vision toolkits to utilize the dataset effectively in their work.
- Keyword:
- Autonomous Driving, Adverse Weather, Stereo Vision, Image Dataset, Computer Vision, and Perception Algorithms
- Citation to related publication:
- El-Shair, Z.A., Abu-raddaha, A., Cofield, A., Alawneh, H., Aladem, M., Hamzeh, Y., and Rawashdeh, S.A., 2024. SID: Stereo Image Dataset for Autonomous Driving in Adverse Conditions. In 2024 IEEE National Aerospace and Electronics Conference (NAECON). IEEE. In press.
- Discipline:
- Engineering
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- Creator:
- Brang, David
- Description:
- Key Points: - We provide a dataset obtained from iEEG and fMRI who completed an auditory-visual speech perception task. The data is fully preprocessed and ready for analysis. Research Overview: Here, we investigated the hypothesis that the auditory system encodes visual speech information through spatially distributed representations using fMRI data from healthy adults and intracranial recordings from electrodes implanted in patients with epilepsy. Across both datasets, linear classifiers successfully decoded the identity of silently lipread words using the spatial pattern of auditory cortex responses. Examining the time-course of classification using intracranial recordings, lipread words were classified at earlier time-points relative to heard words, suggesting a predictive mechanism for facilitating speech. These results support a model in which the auditory system combines the joint neural distributions evoked by heard and lipread words to generate a more precise estimate of what was said.
- Citation to related publication:
- Article in review
- Discipline:
- Science
-
- Creator:
- Wilson Mantilla, Jeffrey A.
- Description:
- The scanned humerus is an isolated element that is referred to the pterosaur Arambourgiania philadelphiae. The element is accessioned to Yarmouk University (YUPC-RUSEIFA-1) in the Hashemite Kingdom of Jordan. The specimen was collected from Late Cretaceous-aged sediments at the Ruseifa Quarry in central Jordan. For inquiries about access to the specimen, please contact Jeff Wilson Mantilla ( wilsonja@umich.edu) or Iyad Zalmout ( izalmout@ksu.edu.sa). Casts of this element of Arambourgiania are available at the University of Michigan Museum of Paleontology.
- Keyword:
- Jordan pterosaur cretaceous vertebrate gondwana afro-arabia paleontology
- Citation to related publication:
- Rosenbach, K. L., D. M. Goodvin, M. G. Albshysh, H. A. Azzam, A. A. Smadi, H. A. Mustafa, I. S. A. Zalmout, and J. A. Wilson Mantilla. [in press] New pterosaur remains from the Late Cretaceous of Afro-Arabia provide insight into flight capacity of large pterosaurs. Journal of Vertebrate Paleontology.
- Discipline:
- Science
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- Creator:
- Wilson Mantilla, Jeffrey A.
- Description:
- The scanned proximal left humerus is part of an associated skeleton of the pterosaur Inabtanin alarabia, accessioned to Yarmouk University (YUPC-INAB-6-001–010) in the Hashemite Kingdom of Jordan. The specimen was collected from Late Cretaceous-aged sediments near Tal Inab in south-central Jordan, which is 34 km north of the current border with Saudi Arabia. For inquiries about access, please contact Jeff Wilson Mantilla ( wilsonja@umich.edu) or Iyad Zalmout ( izalmout@ksu.edu.sa). Casts of this and other elements of Inabtanin are available at the University of Michigan Museum of Paleontology.
- Keyword:
- Jordan pterosaur cretaceous vertebrate gondwana afro-arabia paleontology
- Citation to related publication:
- Rosenbach, K. L., D. M. Goodvin, M. G. Albshysh, H. A. Azzam, A. A. Smadi, H. A. Mustafa, I. S. A. Zalmout, and J. A. Wilson Mantilla. [in press] New pterosaur remains from the Late Cretaceous of Afro-Arabia provide insight into flight capacity of large pterosaurs. Journal of Vertebrate Paleontology.
- Discipline:
- Science
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- Creator:
- Marks, Thomas A and Gorodetsky, Alex A
- Description:
- WarpX simulations of the 2D axial-azimuthal Hall thruster benchmark, as described in IEPC paper 409 (2024): https://www.thomasmarks.space/files/Marks_T_IEPC_2024_WarpX.pdf Contains one subdirectory: baseline_20us: 20 us of data, saved every 5000 iterations (32 GB) The data is in AMReX plotfile format.
- Keyword:
- hall thruster, plasma, pic, particle in cell, particle, cell, kinetic, electric propulsion, and thruster
- Citation to related publication:
- @inproceedings{marksWarpX2024, title = {Hall thruster simulations in {{Warp-X}}}, booktitle = {38th {{International Electric Propulsion Conference}}}, author = {Marks, Thomas A. and Gorodetsky, Alex A.}, year = {2024}, month = jun, address = {Toulouse, France} }
- Discipline:
- Engineering
-
Languages of southwestern Burkina Faso excluding Mande
User Collection- Creator:
- Heath, Jeffrey
- Description:
- This collection contains supplements to reference grammars and texts that are archived at Deep Blue Documents and at Zenodo. The supplements include lexical spreadsheets (xlsx and/or csv) and audio files (some of the audio recordings are transcribed in the grammars or text collections). The initial materials are from Tiefo-N and Tiefo-D. Supplements from other languages (Viemo, Siamou) are in progress and may be added later. These languages are thought to constitute their own branches of Niger-Congo, and in the case of Siamou even that affiliation is contested. Supplements from Jalkunan (a Mande language of SW Burkina Faso) are in a separate collection.
- Keyword:
- Burkina Faso, Tiefo-D, Tiefo-N, Audio, and Lexicon
- Discipline:
- Humanities
2Works -
- Creator:
- Sosa Alfaro, Victor, Palomino, Hannah, Liu, Sophia, Lemuh Njimoh, Cybele, and Lehnert, Nicolai
- Description:
- Pharmaceutical synthesis has been a driving force behind advancements in the field of biocatalysis. In this paper, we report the further optimization of the heme protein YfeX for regio- and stereoselective carbene transfer reactions using mutagenesis to explore the role of important amino acids in the active site for catalysis. In this way, we identified YfeX variants that are efficient and selective carbene transferases towards primary and secondary amines, olefins, and indoles. Molecular Dynamic simulations reveal that mutations within the secondary coordination sphere induce distinct alterations in the conformation and electrostatic properties within the active site. These changes, in turn, affect substrate positioning both within the active site and at its entrance, which explains the distinct and sometimes surprising variations in selectivity observed experimentally between select YfeX variants. Our results show that the I230A single variant identified here is one of the most active N-H insertion catalysts known, producing >90% yields in only 1 hour (typical reaction times in the literature are 8 – 24 hours). On the other hand, the R232A variant catalyzes the C-H insertion of unprotected indole in 21% yield. The capacity to selectively act on unprotected indole offers a cost-effective, environmentally-friendly approach for late-stage functionalization of indoles and similar precursors in pharmaceuticals. In addition, YfeX is an efficient and fast biocatalyst that shows no structural degradation or heme loss during turnover, underscoring YfeX’s robustness as a viable biocatalyst for both industrial and academic applications.
- Keyword:
- Biocatalysis, Heme proteins, Carbene transfer reactions, Peroxidases , N-H insertion, Cyclopropanation, and Molecular dynamics
- Citation to related publication:
- Sosa Alfaro, Victor; Palomino, Hannah; Liu, Sophia; Lemuh Njimoh, Cybele; Lehnert, Nicolai, "Combined Experimental and Molecular Dynamics Approach Towards a Rational Design of the YfeX Biocatalyst for Enhanced Carbene Transferase Reactivity", Catalysis Science & Technology 2024, 14, DOI: 10.1039/D3CY01489D
- Discipline:
- Science
-
- Creator:
- El Shair, Zaid A. and Rawashdeh, Samir A.
- Description:
- The MEVDT dataset was created to fill a critical gap in event-based computer vision research by supplying a high-quality, real-world labeled dataset. Intended to facilitate the development of advanced algorithms for object detection and tracking applications, MEVDT includes multi-modal traffic scene data with synchronized grayscale images and high-temporal-resolution event streams. Additionally, it provides annotations for object detection and tracking with class labels, pixel-precise bounding box coordinates, and unique object identifiers. The dataset is organized into directories containing sequences of images and event streams, comprehensive ground truth labels, fixed-duration event samples, and data indexing sets for training and testing. and To access and utilize the dataset, researchers need specific software or scripts compatible with the data formats included, such as PNG for grayscale images, CSV for event stream data, AEDAT for the encoded fixed-duration event samples, and TXT for annotations. Recommended tools include standard image processing libraries for PNG files and CSV or text parsers for event data. A specialized Python script for reading AEDAT files is available at: https://github.com/Zelshair/cstr-event-vision/blob/main/scripts/data_processing/read_aedat.py, which streamlines access to the encoded event sample data.
- Keyword:
- Computer Vision, Event-Based Vision, Object Detection, Object Tracking, and Multi-Modal Vision Dataset
- Citation to related publication:
- El Shair, Z. and Rawashdeh, S., 2024. MEVDT: Multi-Modal Event-Based Vehicle Detection and Tracking Dataset. Data In Brief (under review)., El Shair, Z. and Rawashdeh, S.A., 2022. High-temporal-resolution object detection and tracking using images and events. Journal of Imaging, 8(8), p.210., El Shair, Z. and Rawashdeh, S., 2023. High-temporal-resolution event-based vehicle detection and tracking. Optical Engineering, 62(3), pp.031209-031209., and El Shair, Z.A., 2024. Advancing Neuromorphic Event-Based Vision Methods for Robotic Perception Tasks (Doctoral dissertation, University of Michigan-Dearborn).
- Discipline:
- Engineering
-
- Creator:
- Fahim, Abigail T
- Description:
- The purpose of this research is to compare levels of unprenylated Rab proteins in CHM-/- iPSC-RPE cells with and without compactin. Compactin is a statin that inhibits prenyl synthesis and thereby reduces prenylation overall and has an unbiased inhibitory effect on all protein prenylation. So we expect that for Rabs that are already poorly prenylated at baseline in choroideremia RPE cells, compactin will have minimal effect. However, for Rabs that are efficiently prenylated at baseline, compactin should have a much greater effect. And then we used tandem mass tag spectrometry to compare the ratio of each unprenylated Rab in compactin-treated choroideremia cells vs untreated choroideremia cells. In the spreadsheet, "F8" refers to the CHM-/- iPSC-RPE cells and "WT" refers to the isogenic control iPSC-RPE cells. In the "Proteins only" tab, column M shows the ratio of each protein in "DMSO" (untreated) choroideremia cells compared to Compactin-treated choroideremia cells. Compactin-treated control cells are also included in other columns. Untreated control cells could not be used because prenylation is so efficient in these cells, there is almost no material available after doing the in vitro prenylation assay (i.e. almost no unprenylated proteins to biotinylate). The column descriptions can be found in the sheet titled "Explanations." In addition, AAs= number of amino acids in the protein, MW= molecular weight of the protein, and pI= isoelectric point. The software is set to report abundance values only when certain criteria are met (S/N of 6, unique peptide etc). A value is NOT reported when the data for a protein fall below these criteria and the cell is instead left blank.
- Keyword:
- choroideremia, retinal pigment epithelium, prenylation, and Rab protein
- Citation to related publication:
- Raeker, M.O., Perera, N.D., Karoukis, A.J., Chen, L., Feathers, K.L., Ali, R.R., Thompson, D.A., Fahim, A.T. Reduced retinal pigment epithelial autophagy due to loss of Rab12 prenylation in a human iPSC-RPE model of choroideremia. Cells, manuscript accepted, in press.
- Discipline:
- Health Sciences and Science