Article
Biochemistry & Molecular Biology
Yi Zheng, Lingkai Zhang, Long Jin, Pengfei Zhang, Fuyuan Li, Ming Guo, Qiang Gao, Yao Zeng, Mingzhou Li, Wenxian Zeng
Summary: By analyzing porcine undifferentiated spermatogonia and differentiating spermatogonia, researchers found that differentiating spermatogonia exhibited less compact chromatin structural organization, weakened compartmentalization, and diminished topologically associating domains compared to undifferentiated spermatogonia. These findings suggest that the diminished higher-order chromatin architecture in meiotic cells may be preprogrammed in differentiating spermatogonia. The study also revealed the relationship between A/B compartments, topologically associating domains, and dynamic gene expression during spermatogonial differentiation, providing novel insights into mechanisms for SSC self-renewal and differentiation.
JOURNAL OF BIOLOGICAL CHEMISTRY
(2022)
Article
Chemistry, Physical
Zichen Yang, Weiwei Meng, Jiaxing Kang, Xiang Wang, Xin Shu, Teng Chen, Run Xu, Fei Xu, Feng Hong
Summary: By using a low-temperature solution-processed method, we successfully prepared high-quality Cs3Sb2Cl9 thin films and found that defect emission is more stable on the (001) surface. By controlling the preferred orientation of thin films, the defect emission in 2D halide perovskites can be enhanced.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2022)
Article
Chemistry, Physical
Lei Shao, Fuqiang Fan, Xueya Dai, Hongxin Fu, Wenze Li, Wei Qi, Fan-Bao Meng, Yu Fu
Summary: This article introduces a new strategy for constructing hierarchical nanostructures through pseudomorphic replacement, and successfully fabricates a series of hierarchical MOF materials with different shapes and sizes. The experiments verify that this transformation not only preserves the shape of the original structure, but also proceeds through an interface-coupled dissolution-recrystallization process.
CHEMISTRY OF MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Pei Liu, Ece Arslan Irmak, Annick De Backer, Annelies De Wael, Ivan Lobato, Armand Beche, Sandra Van Aert, Sara Bals
Summary: This study successfully achieved an atomic resolution 3D investigation of supported Au nanoparticles by combining atom counting and molecular dynamics relaxation, and explored the structural evolution of these nanoparticles at different temperatures.
Article
Multidisciplinary Sciences
Noriko Seguchi, James Frances Loftus III, Shiori Yonemoto, Mary-Margaret Murphy
Summary: This study aimed to investigate the characteristics of cranial shape at the Hirota site in Kagoshima Prefecture, Japan, to determine whether the cranial deformation was intentional. Through 3D and 2D scan imaging and morphometric analysis, the results showed that the Hirota samples had distinct cranial morphology compared to the other samples, with no sex-based differences. Based on the comprehensive review, the researchers concluded that the Hirota site crania were intentionally modified.
Article
Polymer Science
Zhixin Guo, Shouke Yan, Guenter Reiter
Summary: 3D single crystals with uniquely oriented hexagonal shape were obtained by isothermal crystallization of isotactic polystyrene. The cracks tended to form along the diagonals of hexagonal stack due to mismatch in coefficients of thermal expansion during quenching. The growth mechanisms leading to 3D single crystals can be observed for all crystallizable polymers.
Article
Chemistry, Multidisciplinary
Suresh Bandi, Ajeet K. Srivastav
Summary: This study reveals the growth mechanism of W18O49 nanowires on W surfaces under H2O(v) atmosphere and demonstrates phase evolutions in view of detailed thermodynamic considerations. Oxygen vacancy-induced planar defects are responsible for the 1d [010] growth of W18O49 NWs, while hexagonal tunnels along the NW length create a passage for H2O(v) to repeat the reaction and increase the NW length.
Article
Health Care Sciences & Services
Zhouxiao Li, Yimin Liang, Thilo Ludwig Schenck, Konstantin Frank, Riccardo Enzo Giunta, Konstantin Christoph Koban
Summary: This study verifies the reliability of three-dimensional surface imaging systems for quantifying facial morphology and proposes a considerable number of novel facial landmarks and nasal anthropometric parameters. These findings have significant implications for personalized rhinoplasty.
JOURNAL OF PERSONALIZED MEDICINE
(2022)
Article
Optics
Kaiyang Ding, Xingming Wang, Kai Hu, Lidai Wang, Guanhao Wu, Kai Ni, Qian Zhou
Summary: This paper proposes a three-dimensional morphology measurement method based on the photoacoustic effect, which can solve the influence of the underwater environment on detection methods. The method utilizes the advantages of laser ranging and avoids the influence of backscattering from water, resulting in high measurement accuracy and reconstruction precision.
Article
Multidisciplinary Sciences
Seung Yoon Yang, Ho Seung Kim, Min Soo Cho, Nam Kyu Kim
Summary: Understanding the anatomy of Denonvilliers' fascia is crucial for successful surgical outcomes in patients with rectal cancer. The debate over whether the surgical plane during total mesorectal excision should be anterior or posterior to the fascia continues. This study utilized micro-computed tomography to reveal the relationship between Denonvilliers' fascia, mesorectal fascia, and neurovascular bundles, highlighting the importance of a posterior dissection plane for optimal oncologic results.
SCIENTIFIC REPORTS
(2021)
Article
Health Care Sciences & Services
Sonja A. G. A. Grothues, Klaus Radermacher
Summary: The study investigated the 3D J-Curve of 90 cadaveric femora using principal component analysis and geometric parameter analysis. It found similarities in shape characteristics between male and female J-Curves, but differences in size. In addition to size changes, variations in arc lengths, orientation, circularity, and relative location were observed.
JOURNAL OF PERSONALIZED MEDICINE
(2021)
Article
Chemistry, Physical
Luis Henrique da Silveira Lacerda, Miguel A. San-Miguel
Summary: In this study, the properties and applications of MnMoO4 were investigated using a careful DFT approach, revealing the potential for tuning material properties based on crystalline morphology.
APPLIED SURFACE SCIENCE
(2021)
Article
Engineering, Manufacturing
Xin Zhou, Ning Dai, Xiaosheng Cheng, Adam Thompson, Richard Leach
Summary: A method for particle morphology characterization using X-ray computed tomography (XCT) was explored in this study. Results showed that 3D XCT measurements closely matched SEM results and cluster analysis provided a comprehensive evaluation method for metal powders. The study demonstrated that 3D morphology measurement provides a better understanding of powder particles compared to 2D methods.
ADDITIVE MANUFACTURING
(2021)
Article
Multidisciplinary Sciences
M. Ramya, T. K. Nideep, V. P. N. Nampoori, M. Kailasnath
Summary: The engineering of ZnO nanostructures was achieved through a consistent solution method using different solvents, with growth kinetics depending on solvent properties and zeta potential. ZnO nanoflower as a photoanode material in DSSCs displayed structure-dependent efficiency, with higher conversion efficiency compared to other structures. The superior performance of ZnO nanoflower was attributed to its better light-harvesting ability and increased resistance to charge-recombination, showing promising potential as an alternative to TiO2 in DSSCs.
SCIENTIFIC REPORTS
(2021)
Article
Urban Studies
Kaixin Li, Yiyu Li, Xinyi Yang, Xiaoshuang Liu, Qingxu Huang
Summary: This study analyzed the urban-rural gradients of 3D morphologies of buildings in 91 cities in China. The results showed that most areas had buildings with an average height ranging from 9 m to 16 m, and building coverage ranged from 20 % to 60 %. Hierarchical clustering analysis identified 9 patterns of morphology gradients, with average height and building coverage decreasing with distance. This study provides a methodological framework for quantitatively analyzing the urban-rural gradient of 3D morphologies of urban buildings and can inform efforts to mitigate city-scale climate issues.
Article
Geology
Frances Rivera-Hernandez, Dawn Y. Sumner, Tyler J. Mackey, Ian Hawes, Dale T. Andersen
Article
Biology
Emily D. Matys, Tyler Mackey, Christen Grettenberger, Elliott Mueller, Dawn Y. Sumner, Ian Hawes, Roger E. Summons
Article
Astronomy & Astrophysics
Frances Rivera-Hernandez, Dawn Y. Sumner, Nicolas Mangold, Kathryn M. Stack, Olivier Forni, Horton Newsom, Amy Williams, Marion Nachon, Jonas L'Harido, Olivier Gasnault, Roger Wiens, Sylvestre Maurice
Article
Astronomy & Astrophysics
Cyril Szopa, Caroline Freissinet, Daniel P. Glavin, Maeva Millan, Arnaud Buch, Heather B. Franz, Roger E. Summons, Dawn Y. Sumner, Brad Sutter, Jennifer L. Eigenbrode, Ross H. Williams, Rafael Navarro-Gonzalez, Melissa Guzman, Charles Malespin, Samuel Teinturier, Paul R. Mahaffy, Michel Cabane
Article
Microbiology
Megan L. Dillon, Ian Hawes, Anne D. Jungblut, Tyler J. Mackey, Jonathan A. Eisen, Peter T. Doran, Dawn Y. Sumner
FEMS MICROBIOLOGY ECOLOGY
(2020)
Article
Geochemistry & Geophysics
Frances Rivera-Hernandez, Dawn Y. Sumner, Nicolas Mangold, Steven G. Banham, Kenneth S. Edgett, Christopher M. Fedo, Sanjeev Gupta, Samantha Gwizd, Ezat Heydari, Sylvestre Maurice, Marion Nachon, Horton Newsom, Juergen Schieber, Katie Stack-Morgan, Nathan Stein, Roger C. Wiens
JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS
(2020)
Article
Ecology
Christen L. Grettenberger, Dawn Y. Sumner, Kate Wall, C. Titus Brown, Jonathan A. Eisen, Tyler J. Mackey, Ian Hawes, Guillaume Jospin, Anne D. Jungblut
Article
Multidisciplinary Sciences
Megan L. Dillon, Ian Hawes, Anne D. Jungblut, Tyler J. Mackey, Jonathan A. Eisen, Peter T. Doran, Dawn Y. Sumner
Article
Multidisciplinary Sciences
Roxanne M. W. Banker, Dawn Y. Sumner
SCIENTIFIC REPORTS
(2020)
Article
Astronomy & Astrophysics
Amy J. Williams, Kathleen L. Craft, Maeva Millan, Sarah Stewart Johnson, Christine A. Knudson, Marisol Juarez Rivera, Amy C. McAdam, Dominique Tobler, John Roma Skok
Summary: This study explores the preservation potential of fatty acids in hydrothermal spring deposits on Earth, with implications for the detection of organics in Martian hot-spring deposits. Results suggest that fatty acids can be preserved and detected with the TMAH pyrolysis-GC-MS method, providing insights into potential organic detection on Mars. Rovers equipped with thermochemolysis pyrolysis-GC-MS instrumentation may be essential for detecting relatively young organics on Mars, highlighting the importance of careful landing site and sample selection processes.
Article
Genetics & Heredity
Jessica E. Lumian, Anne D. Jungblut, Megan L. Dillion, Ian Hawes, Peter T. Doran, Tyler J. Mackey, Gregory J. Dick, Christen L. Grettenberger, Dawn Y. Sumner
Summary: By investigating cyanobacteria's ability to sustain oxygenic photosynthesis in sulfidic environments, the study found that Phormidium pseudopriestleyi utilizes specific genomic content to tolerate sulfide, indicating potential mechanisms including gene expression regulation or direct sulfide oxidation.
Article
Genetics & Heredity
Christen Grettenberger, Dawn Y. Sumner, Jonathan A. Eisen, Anne D. Jungblut, Tyler J. Mackey
Summary: The evolution of oxygenic photosynthesis led to the oxygenation of Earth's atmosphere and the evolution of aerobic respiration. Previous research suggests that complex IV of aerobic respiration evolved after oxygenic photosynthesis, but complex I may have pre-dated it. Melainabacteria, which diverged before oxygenic photosynthesis, may provide insight into the evolution of aerobic respiration.
Article
Geochemistry & Geophysics
Jessica A. Watkins, John P. Grotzinger, Nathan T. Stein, Steven G. Banham, Sanjeev Gupta, David M. Rubin, Kathryn Stack Morgan, Kenneth S. Edgett, Jens Frydenvang, Kirsten L. Siebach, Michael P. Lamb, Dawn Y. Sumner, Kevin W. Lewis
Summary: Sedimentary rocks on Mars provide a record of the planet's ancient climate, and their stratal geometries and sedimentary structures reveal changes between subaqueous and eolian depositional environments. By studying the sedimentary sequence on the flanks of Aeolis Mons in Gale crater, researchers have identified a dynamic evolution of deposition and erosion, suggesting a transition from a wet to dry climate and providing important insights into the geological history and habitability of Mars.
JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS
(2022)
Article
Geochemistry & Geophysics
S. Gwizd, C. Fedo, J. Grotzinger, S. Banham, F. Rivera-Hernandez, K. M. Stack, K. Siebach, M. Thorpe, L. Thompson, C. O'Connell-Cooper, N. Stein, L. Edgar, S. Gupta, D. Rubin, D. Sumner, A. R. Vasavada
Summary: This study utilizes instruments from the Curiosity rover to reconstruct the paleoenvironment and composition of a specific interval of stratigraphy in Gale crater, Mars. The findings indicate the presence of a lake and sand dunes in this area.
JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS
(2022)
Article
Biotechnology & Applied Microbiology
Stephen Nayfach, Simon Roux, Rekha Seshadri, Daniel Udwary, Neha Varghese, Frederik Schulz, Dongying Wu, David Paez-Espino, I-Min Chen, Marcel Huntemann, Krishna Palaniappan, Joshua Ladau, Supratim Mukherjee, T. B. K. Reddy, Torben Nielsen, Edward Kirton, Jose P. Faria, Janaka N. Edirisinghe, Christopher S. Henry, Sean P. Jungbluth, Dylan Chivian, Paramvir Dehal, Elisha M. Wood-Charlson, Adam P. Arkin, Susannah G. Tringe, Axel Visel, Tanja Woyke, Nigel J. Mouncey, Natalia N. Ivanova, Nikos C. Kyrpides, Emiley A. Eloe-Fadrosh
Summary: Reconstructing bacterial and archaeal genomes from shotgun metagenomes has led to the creation of a comprehensive catalog representing a significant expansion of the known phylogenetic diversity of bacteria and archaea. This resource is available for streamlined comparative analyses, interactive exploration, metabolic modeling, and bulk download, demonstrating the utility of genome-centric approaches for understanding genomic properties of uncultivated microorganisms.
NATURE BIOTECHNOLOGY
(2021)