Results 211 to 220 of about 251,641 (259)

Large-scale identical-location electron microscopy enables quantifying nanoparticulate electrocatalyst degradation

Kamšek AR, Zepeda F, Tabernik D, Vidergar J, Logar A, Kregar A, Skočaj D, Drazic G, Hodnik N.   +8 more
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Shaping the stem cell field

Nature Reviews Molecular Cell Biology, 2021
Sara Wickstrom draws attention to the pioneering work of Watt, Jordan and O’Neill on the role of cell shape in the regulation of stem cells.
Clementine Villeneuve, Sara A Wickström, Wickström Sara A   +2 more
exaly   +4 more sources

The effect of mesenchymal stem cell shape on the maintenance of multipotency

Biomaterials, 2013
Human mesenchymal stem cells (MSCs) have broad therapeutic potential due to their ability to differentiate into multiple cell types. However, when cultured ex vivo MSCs will spontaneously differentiate and have been shown to lose multipotency after prolonged passaging.
Douglas Zhang, Kristopher A Kilian
exaly   +3 more sources

Stemness shaped by curvature

Nature Materials, 2016
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Bettina Weigelin, Peter Friedl
openaire   +4 more sources

Shaping the Future with STEM Instruction

2020
This book builds on an interdisciplinary approach that combines two or more of the STEM subjects. The goal is to help students see the relationship among science, technology, engineering, and mathematics. Useful ideas, activities, and lesson plans are part of the package.
Dennis Adams, Mary Hamm
openaire   +1 more source

The Mach stem phenomenon for shaped obstacles buried in soil

Advances in Engineering Software, 2014
The paper investigates the explosion characteristics of a below ground event of an explosive charge in proximity to a rigid cylindrical obstacle. The two-dimensional study simulates a line explosive and a parallel long cylindrical structure. The investigation shows that the unloading branch has a negligible effect on the peak pressure envelope whereas ...
Y. S. Karinski, V. R. Feldgun, E. Racah, D. Z. Yankelevsky   +3 more
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Cancer Stemness as a Target for Immunotherapy is Shaped by Proinflammatory Stress

Current Stem Cell Research & Therapy, 2021
Cancer stem cells represent a rare subpopulation of cancer cells carrying self-renewal and differentiation features in multi-step tumorigenesis, tumor recurrence and metastasis. Proinflammatory stress is highly associated with cancer stemness via induction of cytokines, tumorpromoting immune cells and cancer stemness-related signaling pathways.
openaire   +2 more sources

The Shape of Plant Stems

American Midland Naturalist, 1971
Based on experiment, functional relationships are found that give, with considerable precision, the loading, the normal stress and the radius as a function of stem height. Using the functional relationship for the loading and for the normal stress, a theoretical expression for the radius distribution in the stem and for the volume of the stem is ...
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Control of the epithelial stem cell epigenome: the shaping of epithelial stem cell identity

Current Opinion in Cell Biology, 2013
The squamous epithelium covering the skin and oral mucosa relies on epithelial stem cells for tissue renewal. Dynamic changes in DNA methylation, histone methylation and acetylation, and higher order chromatin structure are required to preserve their self-renewal capacity while orchestrating the timely execution of cell differentiation programs.
Ramiro, Iglesias-Bartolome, Juan Luis, Callejas-Valera, J Silvio, Gutkind   +2 more
openaire   +2 more sources

An Automically Shaped Prothesis Stem

2004
≫We had these beautiful implants that were made to fit the individual extremely accurately. We had also broaches that were the same sizes as the implant… but then we had to take a 2 1/2 lb mallet and ram it down the bone in order to cut inside of the bone out.
James B. Stiehl, Werner H. Konermann, Rolf G. Haaker   +2 more
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