Results 81 to 90 of about 1,475,288 (355)

An investigation of irregular crack path effects on fracture mechanics parameters using a grain microstructure meshing technique [PDF]

, 2012
Electronic version of an article published as Journal of Multiscale Modeling, Vol. 4, Iss. 1, atricle 1250001, 2012, http://dx.doi.org/10.1142/S1756973712500011 © World Scientific Publishing Company, http://www.worldscientific.com/worldscinet/jmmA sub ...
Biglari, F., Davies, C. M., Mehmanparast, Ali, Nikbin, Kamran   +3 more
core   +1 more source

Structural biology of ferritin nanocages

FEBS Letters, EarlyView.
Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley   +1 more source

Effect of circular holes on the ratchet limit and crack tip plastic strain range in a centre cracked plate [PDF]

, 2011
In this paper a centre cracked plate subjected to cyclic tensile loading and cyclic bending moment is considered. The effect of circular holes drilled in the region of the crack tip on the ratchet limit and crack tip plastic strain range is studied ...
Chen, Chen, Chen, Chen, Chen, Erdogan, Grief, Haofeng Chen, James Ure, Mackenzie, Melan, Ponter, Seshadri, Staat, Thomas, Tianbai Li, Vu, Weihang Chen   +17 more
core   +1 more source

The planar cell polarity protein Vangl2 interacts with the PDZ‐domains of Scribble but not with a unique PDZ‐like domain in Inturned

FEBS Letters, EarlyView.
Structural and biochemical characterisations show that the planar cell polarity (PCP) protein Inturned harbours a unique PDZ‐like domain that does not bind canonical PDZ‐binding motifs (PBMs) like that of another PCP protein Vangl2. In contrast, the apical‐basal polarity protein Scribble contains four PDZ domains that bind Vangl2, but one PDZ domain ...
Stephan Wilmes, Jan Brysch, Carmen Gelze, Lilli Meier, Daniel Kümmel   +4 more
wiley   +1 more source

X-ray computerized tomography for characterization of pick-up destruction and pick-up parameter optimization of tomato root lumps

Spanish Journal of Agricultural Research, 2019
This study was aimed to find the causes of pick-up destruction of tomato root lumps using X-ray microcomputed tomography, and to identify the pick-up parameters of low root lump destruction.
Hanping Mao, Yang Liu, Luhua Han, Baoguo Sheng, Guoxin Ma, Yaxiong Li   +5 more
doaj   +1 more source

Continuum field description of crack propagation

, 2000
We develop continuum field model for crack propagation in brittle amorphous solids. The model is represented by equations for elastic displacements combined with the order parameter equation which accounts for the dynamics of defects. This model captures
B. Lawn, D. A. Kessler, D. Holland, E. A. Brener, E. S. C. Ching, E. Sharon, E. Sharon, E. Sharon, F. Abraham, F. Cleri, I. S. Aranson, J. A. Hauch, J. A. Kallivayalil, J. F. Boudet, J. F. Boudet, J. Fineberg, J. Fineberg, K. N. G. Fuller, L. B. Freund, L. D. Landau, L. D. Landau, M. Adda-Bedia, M. Adda-Bedia, M. L. Falk, M. Marder, M. Marder, P. Daguier, R. K. Kalia, R. P. Kambour, S. J. Zhou, S. Ramanathan, V. A. Kalatsky, V. M. Vinokur   +32 more
core   +1 more source

Tau acetylation at K331 has limited impact on tau pathology in vivo

FEBS Letters, EarlyView.
We mapped tau post‐translational modifications in humanized MAPT knock‐in mice and in amyloid‐bearing double knock‐in mice. Acetylation within the repeat domain, particularly around K331, showed modest increases under amyloid pathology. To test functional relevance, we generated MAPTK331Q knock‐in mice.
Shoko Hashimoto, Yukio Matsuba, Mika Takahashi, Takaomi C. Saido   +3 more
wiley   +1 more source

O crack em um cenário empedrado: articulações entre os discursos jurídico, médico e midiático

Psicologia & Sociedade, 2014
O artigo aborda o surgimento do crack nas metrópoles brasileiras, o grande internamento de seus usuários na última década e a leitura midiática sobre o tema.
Mateus Freitas Cunda, Rosane Azevedo Neves da Silva   +1 more
doaj   +1 more source

A dynamical law for slow crack growth in polycarbonate films [PDF]

, 2007
We study experimentally the slow growth of a single crack in polycarbonate films submitted to uniaxial and constant imposed stress. For this visco-plastic material, we uncover a dynamical law that describes the dependence of the instantaneous crack ...
G. I. Barenblatt, Loïc Vanel, Pierre-Philippe Cortet, R. A. Schapery, S. Hashemi, S. N. Zhurkov, Sergio Ciliberto   +6 more
core   +5 more sources

Cracks in Concrete

Finding and properly segmenting cracks in images of concrete is a challenging task. Cracks are thin and rough and being air filled do yield a very weak contrast in 3D images obtained by computed tomography. Enhancing and segmenting dark lower-dimensional structures is already demanding.
Tin Barisin, Christian Jung, Anna Nowacka, Claudia Redenbach, Katja Schladitz   +4 more
openaire   +2 more sources