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Segmentation Driven Peeling for Visual Analysis of Electronic Transitions [article]

Mohit Sharma, Talha Bin Masood, Signe S. Thygesen, Mathieu Linares, Ingrid Hotz, Vijay Natarajan
2021 arXiv   pre-print
In this paper, we present a novel approach towards the study of electronic transitions based on the visual analysis of a bivariate field, namely the electron density in the hole and particle Natural Transition  ...  The method supports selections in the CSP visualized as fiber surfaces in the spatial domain, the grouping of atoms, and segmentation of the density fields to peel the CSP.  ...  Topics for future work include investigation of other segmentation methods and quantification of the peeled CSPs. Figure 2 : 2 Visual analysis workflow.  ... 
arXiv:2109.08987v1 fatcat:qhj3mtynonafphsynpkganmxmu

Characterization of Polyurethane Coated Aerospace Aluminium Alloy (7075) By DSC, XRD and Adhesion Test

Venkatakrishnan R, Senthilvelan T, Vijayakumar T
2017 Journal of Applied Mechanical Engineering  
After analyzing the characteristics, the extent of coating loss is examining visually in order to evaluate the adhesion property before carrying out the peel-off test.  ...  DSC can be used to examine the material from a subambient starting temperature to the glass transition event and finally through the crystalline melting region.  ...  A scanning electron microscope (SEM) is a type of electron microscope that images a sample by scanning it with a high-energy beam of electrons in a raster scan pattern.  ... 
doi:10.4172/2168-9873.1000296 fatcat:lbskyehac5ajhclqoutmu2vesu

Visualizing kinetochore architecture

Gregory Alushin, Eva Nogales
2011 Current Opinion in Structural Biology  
Here we review recent advances in the study of core microtubule-binding kinetochore complexes using electron microcopy methods in vitro and nanometer-accuracy fluorescence microscopy in vivo.  ...  Highlights • Here we review recent advances in the study of microtubule-binding kinetochore complexes, concentrating on studies using electron microscopy methods in vitro and nanometer-accuracy fluorescence  ...  Given this requirement, the length of the first coiled-coil segment positions Ndc80's hinge so that the second coiled-coil segment would be engaged by peeling protofilaments, causing the complex to bend  ... 
doi:10.1016/j.sbi.2011.07.009 pmid:21862320 pmcid:PMC3189262 fatcat:n4wudztis5hy3crzfd3arn7u7y

Surface Metrology and 3-Dimensional Confocal Profiling of Femtosecond Laser and Mechanically Dissected Ultrathin Endothelial Lamellae

Mor M. Dickman, Marc P. F. H. L. van Maris, Friso W. van Marion, Yvonne Schuchard, Petra Steijger-Vermaat, Frank J. H. M. van den Biggelaar, Tos T. J. M. Berendschot, Rudy M. M. A. Nuijts
2014 Investigative Ophthalmology and Visual Science  
Confocal microscopy allows quantitative surface roughness analysis and 3dimensional reconstruction of human corneal lamellae.  ...  Mean surface roughness for the fs laser, motor-driven linear microkeratome, and hand-driven rotatory microkeratome measured 1.90 6 0.48 lm, 1.06 6 0.42 lm, and 0.93 6 0.25 lm, respectively.  ...  Simultaneous secondary-electron images and backscattered-electron images were acquired using a largefield-detector and a backscatter-electron detector, allowing qualitative surface texture analysis over  ... 
doi:10.1167/iovs.14-14309 pmid:25074773 fatcat:2eduqscscrgozorae5jbjcbjrq

High-Resolution Microtubule Structures Reveal the Structural Transitions in αβ-Tubulin upon GTP Hydrolysis

Gregory M. Alushin, Gabriel C. Lander, Elizabeth H. Kellogg, Rui Zhang, David Baker, Eva Nogales
2014 Cell  
Dynamic instability, the stochastic switching between growth and shrinkage, is essential for microtubule function.  ...  This behavior is driven by GTP hydrolysis in the microtubule lattice and is inhibited by anticancer agents like Taxol.  ...  ACKNOWLEDGMENTS We thank Patricia Grob and Tom Houweling for electron microscopy and computer support, respectively, Tom Goddard for help with UCSF Chimera, Yifan Song and Frank DiMaio for making code  ... 
doi:10.1016/j.cell.2014.03.053 pmid:24855948 pmcid:PMC4054694 fatcat:j6mm77rgwvgi7cbr7zhujcgham

Stomatal Responses to Light, CO2, and Mesophyll Tissue in Vicia faba and Kalanchoë fedtschenkoi

Mauro G. Santos, Phillip A. Davey, Tanja A. Hofmann, Anne Borland, James Hartwell, Tracy Lawson
2021 Frontiers in Plant Science  
Overall, our results provided evidence for both the involvement of guard cell metabolism and mesophyll signals in stomatal responses in both C3 and CAM species.  ...  Direct comparison was made between intact leaf segments, epidermises grafted onto exposed mesophyll, and isolated epidermal peels, including transplantations between species and between diel periods.  ...  Support for the role of an active mesophyll-driven signal in stomatal responses has been provided from experiments carried out on epidermal peels in which the influence of the mesophyll had been removed  ... 
doi:10.3389/fpls.2021.740534 pmid:34777422 pmcid:PMC8579043 fatcat:mgsy7vvwyzaohe4azcez6k4r4q

Peeling mechanism of tomato under infrared heating: Peel loosening and cracking

Xuan Li, Zhongli Pan, Griffiths G. Atungulu, Delilah Wood, Tara McHugh
2014 Journal of Food Engineering  
This study aimed at investigating the mechanisms of peel separation for tomatoes subjected to a newly developed infrared dry-peeling process.  ...  With the use of light microscopy and scanning electron microscopy, it was observed that peel loosening due to infrared heating appeared to result from reorganization of extracellular cuticles, thermal  ...  We appreciate Professor Kathryn McCarthy and Tina William for providing facility support, and also thank Professors David Hills Shrini Upadhyaya, and Mikal Saltveit of the University of California at Davis  ... 
doi:10.1016/j.jfoodeng.2013.12.020 fatcat:gnhnbkyuvfbpbdmklyk5eecxxu

Kin I Kinesins Are Microtubule-Destabilizing Enzymes

Arshad Desai, Suzie Verma, Timothy J. Mitchison, Claire E. Walczak
1999 Cell  
Sedi-Coughlin and Mei Lie Wong for assistance with electron microscopy, mentation analysis of depolymerization of stabilized MTs was per-D. Pierce for GFP-kinesin, J.  ...  the MT cytoskelemicrotubules, and have important implications for the ton, as best illustrated by analysis of chromosome regulation of microtubule dynamics and for the intramovement (Inoué and Salmon,  ...  This analysis confirmed the conclusions derived from the qualitative visual assays(Figure 2b).  ... 
doi:10.1016/s0092-8674(00)80960-5 pmid:9989498 fatcat:tumekbkw5fcnnor73jcsmbi7pq

Instant Adhesion of Amyloid-like Nanofilms with Wet Surfaces

Rongrong Qin, Yishun Guo, Hao Ren, Yongchun Liu, Hao Su, Xiaoying Chu, Yingying Jin, Fan Lu, Bailiang Wang, Peng Yang
2022 ACS Central Science  
These therapeutic CLs display excellent therapeutic efficacy, showing an increase in cyclosporin A (CsA) bioavailability of at least 82% when compared to the commercial pharmacologic treatment for dry  ...  of functional building blocks.  ...  (E) Representative immunohistochemical analysis images of corneas at 7 days after various treatments.  ... 
doi:10.1021/acscentsci.2c00151 pmid:35756378 pmcid:PMC9228557 fatcat:hynhqvxpufet7fwhdrmjyzfoui

Physico-chemistry from initial bacterial adhesion to surface-programmed biofilm growth

Vera Carniello, Brandon W. Peterson, Henny C. van der Mei, Henk J. Busscher
2018 Advances in Colloid and Interface Science  
H.J.B. is also a director of a consulting company, SASA BV. We declare no potential conflicts of interest with respect to authorship and/or publication of this article.  ...  The opinions and assertions contained herein are those of the authors and are not construed as necessarily representing the views of the funding organization or the authors' employers.  ...  Focused-Ion-Beam tomography in combination with backscattered scanning electron microscopy (SEM) in S. aureus adhering to hydrophilic and hydrophobic surfaces also yielded direct visualization of cell  ... 
doi:10.1016/j.cis.2018.10.005 fatcat:5hm4fah5uzgmlll3ihaaxxfm7u

Biosynthesis of Ultrasonically Modified Ag-MgO Nanocomposite and Its Potential for Antimicrobial Activity

Wasiu B. Ayinde, Mugera W. Gitari, Munkombwe Muchindu, Amidou Samie
2018 Journal of Nanotechnology  
This study reports a green synthesis route for a bilayered Ag-MgO nanocomposite using aqueous peel extract of Citrus paradisi (grapefruit red) under an accelerated uniform heating technique and its antibacterial  ...  Surface modifications and composition of the nanocomposite were examined using a UV-visible spectrophotometer, transmission electron microscopy (TEM), X-ray diffraction (XRD), Fourier-transform infrared  ...  of Ag-MgO may have contributed to the antimicrobial activity due to the di erent functional phytochemical species in the peel segment, which account for the bioactivity [32, 60] .  ... 
doi:10.1155/2018/9537454 fatcat:47zy4w6mordthonq5gp3xj22jm

Morphology, Characterization and Distribution of Retinal Photoreceptors in the South American (Lepidosiren paradoxa) and Spotted African (Protopterus dolloi) Lungfishes

Audrey M. Appudurai, Nathan S. Hart, Ionat Zurr, Shaun P. Collin
2016 Frontiers in Ecology and Evolution  
This study suggests that the visual needs of these two species may differ.  ...  The large size and inclusion of oil droplets in both species apart from one of the cone photoreceptor types in P. dolloi suggests that L. paradoxa and P. dolloi are adapted for increasing sensitivity.  ...  ACKNOWLEDGMENTS The authors thank Michael Archer and the Centre for Microscopy, Characterization and Analysis, UWA for assistance with training and processing for scanning electron microscopy.  ... 
doi:10.3389/fevo.2016.00078 fatcat:myv5q2rh4bbcvpkbtc7krvhegi

Applications of advanced metrology for understanding the effects of drying temperature in lithium-ion battery electrodes manufacturing process

Yeshui Zhang, Joshua Bailey, Yige Sun, Adam M. Boyce, Will Dawson, Carl D. Reynolds, Zhenyu Zhang, Xuekun Lu, Patrick Grant, Emma Kendrick, Paul Shearing, Dan Brett
2022 Journal of Materials Chemistry A  
The performance of lithium-ion batteries is determined by the architecture and properties of electrodes formed during manufacturing, particularly in the drying process when solvent is removed and the electrode  ...  The porosity of aged anodes was reduced due to organic residues and depositions that were quantied and visualized by CT imaging and analysis.  ...  These were driven apart at 10 mm s À1 to enact a 180-degree peel (fully removing the coating from the substrate) with axial force measurement from the rheometer.  ... 
doi:10.1039/d2ta00861k fatcat:yi2ft5fnlrevjezqtmsxpwkxzi

Stretching DNA to twice the normal length with single-molecule hydrodynamic trapping

Yan Jiang, Theodore Feldman, Julia A M Bakx, Darren Yang, Wesley P Wong
2020 Lab on a Chip  
Combining force application with single-molecule fluorescence imaging is critical for distinguishing hyperstretched DNA from single-stranded DNA that can result from peeling.  ...  To expand the single-molecule toolbox, we have developed a surface-free force spectroscopy assay based on a high-speed hydrodynamic trap capable of applying extremely high tensions for long periods of  ...  We are also grateful to James Pelletier, the MIT Media Lab, and the Microfluidics Core Facility at Harvard Medical for their help in fabricating early versions of the microfluidic chip.  ... 
doi:10.1039/c9lc01028a pmid:32301470 pmcid:PMC7239757 fatcat:gaw4tfshbjeddhbbhefizpnx6a

Jacobi Set Driven Search for Flexible Fiber Surface Extraction [article]

Mohit Sharma, Vijay Natarajan
2022 arXiv   pre-print
Isosurfaces are an important tool for analysis and visualization of univariate scalar fields.  ...  This approach also leads to effective analysis of the bivariate field by supporting the identification of relevant fiber surfaces near Jacobi edges.  ...  ACKNOWLEDGMENTS This work is partially supported by MoE Govt. of India, a Swarnajayanti Fellowship from SERB India (DST/SJF/ETA-02/2015-16), an Indo-Swedish joint network project (DST/ INT/ SWD/VR/P-02  ... 
arXiv:2208.06723v1 fatcat:mqodlfi3mrhpnfh2u5twdamyne
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