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- Creator:
- Urs, Karthik, Carlson, Jessica, Srinivas Manohar, Aditya, Rakowiecki, Michael, Alkayyali, Abdulhadi, Saunders, John E., Tulbah, Faris, and Moore, Talia Y.
- Description:
- Robotic models are useful for independently varying specific features, but most quadrupedal robots differ so greatly from animal morphologies that they have minimal evolutionary relevance. Commercially available quadrupedal robots are also prohibitively expensive for biological research programs and difficult to customize. Here, we present a low-cost quadrupedal robot with modular legs that can match a wide range of animal morphologies for biomechanical hypothesis testing. The Robot Of Theseus (TROT) costs ≈$4000 to build out of 3D printed parts and standard off-the-shelf supplies. Each limb consists of 2 or 3 rigid links; the proximal joint can be rotated to become a knee or elbow. Telescoping mechanisms vary the length of each limb link. The open-source software accommodates user-defined gaits and morphology changes. Effective leg length, or crouch, is determined by the four-bar linkage actuating each joint. The backdrivable motors can vary virtual spring stiffness and range of motion.
- Keyword:
- Robo-physical model, quadruped, locomotion, morphology, and biomechanics
- Citation to related publication:
- Urs, Carlson, Srinivas Manohar, Rakowiecki, Alkayyali, Saunders, Tulbah, Moore. (forthcoming) The Robot of Theseus: A modular robotic testbed for legged locomotion.
- Discipline:
- Engineering
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- Creator:
- Gultekin, Kayhan, Gebhardt, Karl, Kormendy, John, Foord, Adi, Bender, Ralf, Lauer, Tod R, Pinkney, Jason, Richstone, Douglas O., and Tremaine, Scott
- Description:
- These data came from research that was geared towards measuring the mass of the black hole in the galaxy NGC 4826. The data are line-of-sight velocity distributions (LOSVDs) inferred from high-spatial resolution stellar absorption line spectra of Hubble Space Telescope / Space Telescope Imaging Spectrograph (HST/STIS) data and lower-spatial resolution stellar absorption line spectra of Hobby-Ebberly Telescope / Low-Resolution Spectrograph (HET/LRS) data. These data can be used for kinematic analysis of the galaxy NGC 4826 (M64) including black hole mass estimation. The HST/STIS data span about one arcsec, and the HET/LRS data span about 90 arcsec.
- Keyword:
- black hole, galaxy, and spectroscopy
- Citation to related publication:
- Gültekin et al. (2024, in press)
- Discipline:
- Science
-
- Creator:
- Su, Xue, Zhang, Youxue, and Liu, Yang
- Description:
- Our recent investigations have discovered inward diffusion (in-gassing) of moderately volatile elements (MVEs; e.g., Na, K and Cu) from volcanic gas into volcanic beads/droplets. In this work, we examine the distribution of sulfur in lunar orange glass beads. Our analyses reveal that sulfur exhibits a non-uniform distribution across the beads, forming "U" or "W" shaped profiles typical of in-gassing. A model developed to assess sulfur contributions from different sources (original magmatic sulfur versus atmospheric in-gassed sulfur) in the orange beads indicates that atmospheric sulfur in-gassed during eruption contributes approximately 9–24% to the total sulfur content of an orange bead, averaging around 16%. This in-gassed sulfur is derived from the eruption plume, where atmospheric sulfur could undergo photochemical reactions induced by UV light, leading to mass independent fractionation and a distinct sulfur isotope signature. Interestingly, a recent study discovered a small mass independent isotope fractionation of sulfur in lunar orange glass beads in drive tube 74002/1 and a lack of such mass independent isotope fractionation in black glass beads in the same lunar sample. This finding contrasts with sulfur in lunar basalts, which typically exhibit mass dependent fractionation. With our work, the observed mass independent fractionation signal in sulfur isotopes of orange beads can be attributed to the in-gassing of photolytic sulfur in the optically thin part of the eruption plume where UV light can penetrate. Using the sulfur isotope data of lunar orange beads, we estimate that the Δ33S value of atmospheric sulfur is approximately −0.18‰. Our study provides new insights into the complex dynamics of volatile elements in lunar volcanic processes, highlighting the role of in-gassing in shaping sulfur isotope signatures in volcanic glass beads.
- Keyword:
- Moon, Lunar orange glass beads, Sulfur, Sulfur isotope, Diffusion, Outgassing and in-gassing, Mass independent fractionation, and Eruption plume
- Citation to related publication:
- Su, X., Zhang, Y., Liu, Y. (2024) Sulfur Outgassing and In-gassing in Lunar Orange Glass Beads and Implications for 33S “Anomaly” in the Moon. (under review)
- Discipline:
- Science
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- Creator:
- Jia, Xianzhe
- Description:
- Text files containing simulated magnetic field vectors in Ganymede-centered spherical (GSPH) coordinates along the trajectories of Galileo and Juno close flybys of Ganymede. Each data file contains columns of the event time (date + hr:min:sec), the radial (Br), polar (Bt) and azimuthal (Bp) components of the simulated magnetic field, except for the G28 flyby output, which contains multiple columns of the simulated magnetic field vectors from simulation time steps of 70 to 131.
- Keyword:
- Ganymede, MHD simulation, Magnetic field, Galileo, and Juno
- Citation to related publication:
- Jia, X., M. G. Kivelson, K. K. Khurana, and R. J. Walker (2024), Improved models of Ganymede’s intrinsic and induced magnetic fields based on Galileo and Juno data, Journal of Geophysical Research – Planets, doi:10.1029/2024JE008309, in revision.
- Discipline:
- Science
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- Creator:
- University of Michigan Museum of Zoology
- Description:
- Scan of specimen ummz:mammals:100776 (Erignathus barbatus barbatus) - Skull. Raw Dataset includes 1601 TIF images (each 1385 x 1900 x 1 voxel at 0.09676982 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction. and Scan of specimen ummz:mammals:100776 (Erignathus barbatus barbatus) - Skull. Reconstructed Dataset includes 1440 TIF images (each 1385 x 1900 x 1 voxel at 0.096770 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction.
- Keyword:
- Animalia, Chordata, Mammalia, Carnivora, Phocidae, Erignathus barbatus barbatus, 1987312444, computed tomography, X-ray, and 3D
- Citation to related publication:
- For more information on the original UMMZ specimen, see: https://www.gbif.org/occurrence/1987312444
- Discipline:
- Science
-
- Creator:
- University of Michigan Museum of Zoology
- Description:
- Scan of specimen ummz:mammals:103505 (Erignathus barbatus NAUTICA) - Skull. Raw Dataset includes 1601 TIF images (each 1346 x 1927 x 1 voxel at 0.1103895 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction. and Scan of specimen ummz:mammals:103505 (Erignathus barbatus NAUTICA) - Skull. Reconstructed Dataset includes 1497 TIF images (each 1346 x 1927 x 1 voxel at 0.110390 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction.
- Keyword:
- Animalia, Chordata, Mammalia, Carnivora, Phocidae, Erignathus barbatus NAUTICA, 1987269380, computed tomography, X-ray, and 3D
- Citation to related publication:
- For more information on the original UMMZ specimen, see: https://www.gbif.org/occurrence/1987269380
- Discipline:
- Science
-
- Creator:
- University of Michigan Museum of Zoology
- Description:
- Scan of specimen ummz:mammals:123394 (Potos flavus) - WholeBody. Raw Dataset includes 1601 TIF images (each 1237 x 1177 x 1 voxel at 0.04900547 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction. and Scan of specimen ummz:mammals:123394 (Potos flavus) - WholeBody. Reconstructed Dataset includes 1941 TIF images (each 1237 x 1177 x 1 voxel at 0.049005 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction.
- Keyword:
- Animalia, Chordata, Mammalia, Carnivora, Procyonidae, Potos flavus, 1987268876, computed tomography, X-ray, and 3D
- Citation to related publication:
- For more information on the original UMMZ specimen, see: https://www.gbif.org/occurrence/1987268876
- Discipline:
- Science
-
- Creator:
- University of Michigan Museum of Zoology
- Description:
- Scan of specimen ummz:mammals:157859 (Uncia uncia) - Skull. Raw Dataset includes 1601 TIF images (each 1400 x 1858 x 1 voxel at 0.1052879 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction. and Scan of specimen ummz:mammals:157859 (Uncia uncia) - Skull. Reconstructed Dataset includes 1367 TIF images (each 1400 x 1858 x 1 voxel at 0.105288 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction.
- Keyword:
- Animalia, Chordata, Mammalia, Carnivora, Felidae, Uncia uncia, 1987332926, computed tomography, X-ray, and 3D
- Citation to related publication:
- For more information on the original UMMZ specimen, see: https://www.gbif.org/occurrence/1987332926
- Discipline:
- Science
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- Creator:
- University of Michigan Museum of Zoology
- Description:
- Scan of specimen ummz:mammals:161319 (Prionailurus bengalensis chinensis) - Skull. Raw Dataset includes 1601 TIF images (each 1259 x 1245 x 1 voxel at 0.04473831 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction. and Scan of specimen ummz:mammals:161319 (Prionailurus bengalensis chinensis) - Skull. Reconstructed Dataset includes 1932 TIF images (each 1259 x 1245 x 1 voxel at 0.044738 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction.
- Keyword:
- Animalia, Chordata, Mammalia, Carnivora, Felidae, Prionailurus bengalensis chinensis, 1987260838, computed tomography, X-ray, and 3D
- Citation to related publication:
- For more information on the original UMMZ specimen, see: https://www.gbif.org/occurrence/1987260838
- Discipline:
- Science
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- Creator:
- University of Michigan Museum of Zoology
- Description:
- Scan of specimen ummz:mammals:177443 (Phoca vitulina) - Skull. Raw Dataset includes 1601 TIF images (each 1921 x 1443 x 1 voxel at 0.09976429 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction. and Scan of specimen ummz:mammals:177443 (Phoca vitulina) - Skull. Reconstructed Dataset includes 1701 TIF images (each 1921 x 1443 x 1 voxel at 0.099764 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction.
- Keyword:
- Animalia, Chordata, Mammalia, Carnivora, Phocidae, Phoca vitulina, 1987259019, computed tomography, X-ray, and 3D
- Citation to related publication:
- For more information on the original UMMZ specimen, see: https://www.gbif.org/occurrence/1987259019
- Discipline:
- Science
-
- Creator:
- University of Michigan Museum of Zoology
- Description:
- Scan of specimen ummz:mammals:178190 (Leptailurus serval) - Skull. Raw Dataset includes 1601 TIF images (each 1881 x 1287 x 1 voxel at 0.06803631 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction. and Scan of specimen ummz:mammals:178190 (Leptailurus serval) - Skull. Reconstructed Dataset includes 1003 TIF images (each 1881 x 1287 x 1 voxel at 0.068036 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction.
- Keyword:
- Animalia, Chordata, Mammalia, Carnivora, Felidae, Leptailurus serval, 1987352337, computed tomography, X-ray, and 3D
- Citation to related publication:
- For more information on the original UMMZ specimen, see: https://www.gbif.org/occurrence/1987352337
- Discipline:
- Science
-
- Creator:
- University of Michigan Museum of Zoology
- Description:
- Scan of specimen ummz:mammals:95748 (Hyaena brunnea) - Skull. Raw Dataset includes 1601 TIF images (each 1427 x 1939 x 1 voxel at 0.117297 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction. and Scan of specimen ummz:mammals:95748 (Hyaena brunnea) - Skull. Reconstructed Dataset includes 1662 TIF images (each 1427 x 1939 x 1 voxel at 0.117297 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction.
- Keyword:
- Animalia, Chordata, Mammalia, Carnivora, Hyaenidae, Hyaena brunnea, 1987349598, computed tomography, X-ray, and 3D
- Citation to related publication:
- For more information on the original UMMZ specimen, see: https://www.gbif.org/occurrence/1987349598
- Discipline:
- Science
-
- Creator:
- University of Michigan Museum of Zoology
- Description:
- Scan of specimen ummz:mammals:99782 (Pusa hispida) - Skull. Raw Dataset includes 1601 TIF images (each 1986 x 1338 x 1 voxel at 0.1023119 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction. and Scan of specimen ummz:mammals:99782 (Pusa hispida) - Skull. Reconstructed Dataset includes 1578 TIF images (each 1986 x 1338 x 1 voxel at 0.102312 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction.
- Keyword:
- Animalia, Chordata, Mammalia, Carnivora, Phocidae, Pusa hispida, 1987270840, computed tomography, X-ray, and 3D
- Citation to related publication:
- For more information on the original UMMZ specimen, see: https://www.gbif.org/occurrence/1987270840
- Discipline:
- Science
-
- Creator:
- University of Michigan Museum of Zoology
- Description:
- Scan of specimen ummz:mammals:100776 (Erignathus barbatus barbatus) - Skull. Raw Dataset includes 1601 TIF images (each 1385 x 1900 x 1 voxel at 0.09676982 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction. and Scan of specimen ummz:mammals:100776 (Erignathus barbatus barbatus) - Skull. Reconstructed Dataset includes 1440 TIF images (each 1385 x 1900 x 1 voxel at 0.096770 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction.
- Keyword:
- Animalia, Chordata, Mammalia, Carnivora, Phocidae, Erignathus barbatus barbatus, 1987312444, computed tomography, X-ray, and 3D
- Citation to related publication:
- For more information on the original UMMZ specimen, see: https://www.gbif.org/occurrence/1987312444
- Discipline:
- Science
-
- Creator:
- A. Tapaswi, N. Cemalovic, K. Polemi, J. Sexton, and J. Colacino
- Description:
- MCF10A non-tumorigenic breast cells were dosed with environmental toxicants and stained with multiple cellular stains to study morphological perturbations. Following up on feature results, MCF10A cells were stained with an anti-beta catenin antibody to study beta catenin nuclear translocation. Cell profiler software was used to measure and export per cell data .CSV formats to be further analyze din BMDExpress2 and R studio
- Keyword:
- Breast cancer , Cell Painting, Chemical exposure, Benchmark dose, and Cell Profiler
- Discipline:
- Health Sciences
-
- Creator:
- Herzog, Joshua M, Verkade, Angela, and Sick, Volker
- Description:
- Data deposited here includes 60 image sets (30 individual participants, and 2 eyes per individual) consisting of raw fluorescence images, diffuse reflection images using ambient lighting, images used for correction, and calibration, and metadata. Images are split into two wavelength bands as described in the methodology. Raw images are stored in Hierarchical Data Format 5 (HDF5) file nodes (one file per eye) and each image node contains a tag for frame rate, exposure duration, and timestamp (stored in ImageData.zip). Summary statistics including demographic data, participant-reported diseases (e.g., diabetes, keratoconus), and pupil size are also stored in a text-based comma-separated table and as an Excel spreadsheet. Finally, 2-channel pseudocolor images and ratiometric grayscale images combining the two fully-processed image bands are stored as portable network graphics (PNG) files (stored in PseudocolorImages.zip).
- Keyword:
- Fluorescence, Imaging, Ocular lens, Corneal disease, Cataract, and Diabetes
- Citation to related publication:
- Herzog, Joshua M., Verkade, Angela, and Sick, Volker. "Corneal shadowgraphy: a simple, low-cost, rapid, and quantitative tool with potential clinical utility." Manuscript in review. 2024. and Herzog, Joshua M., Verkade, Angela, and Sick, Volker. "Quantitative and rapid in vivo imaging of human lenticular fluorescence." Manuscript in review. 2024.
- Discipline:
- Health Sciences and Engineering
-
- Creator:
- University of Michigan Museum of Zoology
- Description:
- Scan of specimen ummz:mammals:105513 (Urocyon cinereoargenteus ocythous) - Skull. Raw Dataset includes 1601 TIF images (each 902 x 1088 x 1 voxel at 0.07119184 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction. and Scan of specimen ummz:mammals:105513 (Urocyon cinereoargenteus ocythous) - Skull. Reconstructed Dataset includes 2000 TIF images (each 902 x 1088 x 1 voxel at 0.071192 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction.
- Keyword:
- Animalia, Chordata, Mammalia, Carnivora, Canidae, Urocyon cinereoargenteus ocythous, 1987289455, computed tomography, X-ray, and 3D
- Citation to related publication:
- For more information on the original UMMZ specimen, see: https://www.gbif.org/occurrence/1987289455
- Discipline:
- Science
-
- Creator:
- University of Michigan Museum of Zoology
- Description:
- Scan of specimen ummz:mammals:173671 (Proteles cristata) - Skull. Raw Dataset includes 1601 TIF images (each 917 x 1143 x 1 voxel at 0.07931861 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction. and Scan of specimen ummz:mammals:173671 (Proteles cristata) - Skull. Reconstructed Dataset includes 2000 TIF images (each 917 x 1143 x 1 voxel at 0.079319 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction.
- Keyword:
- Animalia, Chordata, Mammalia, Carnivora, Hyaenidae, Proteles cristata, 1987305745, computed tomography, X-ray, and 3D
- Citation to related publication:
- For more information on the original UMMZ specimen, see: https://www.gbif.org/occurrence/1987305745
- Discipline:
- Science
-
- Creator:
- University of Michigan Museum of Zoology
- Description:
- Scan of specimen ummz:mammals:107924 (Ichneumia albicauda loempo) - Skull. Raw Dataset includes 1601 TIF images (each 938 x 1040 x 1 voxel at 0.04572326 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction. and Scan of specimen ummz:mammals:107924 (Ichneumia albicauda loempo) - Skull. Reconstructed Dataset includes 2000 TIF images (each 938 x 1040 x 1 voxel at 0.045723 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction.
- Keyword:
- Animalia, Chordata, Mammalia, Carnivora, Herpestidae, Ichneumia albicauda loempo, 1987274925, computed tomography, X-ray, and 3D
- Citation to related publication:
- For more information on the original UMMZ specimen, see: https://www.gbif.org/occurrence/1987274925
- Discipline:
- Science
-
- Creator:
- University of Michigan Museum of Zoology
- Description:
- Scan of specimen ummz:mammals:122594 (Meles meles) - Skull. Raw Dataset includes 1601 TIF images (each 1118 x 963 x 1 voxel at 0.07324764 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction. and Scan of specimen ummz:mammals:122594 (Meles meles) - Skull. Reconstructed Dataset includes 2000 TIF images (each 1118 x 963 x 1 voxel at 0.073248 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction.
- Keyword:
- Animalia, Chordata, Mammalia, Carnivora, Mustelidae, Meles meles, 1987274117, computed tomography, X-ray, and 3D
- Citation to related publication:
- For more information on the original UMMZ specimen, see: https://www.gbif.org/occurrence/1987274117
- Discipline:
- Science