Results 51 to 60 of about 3,482,591 (285)

Ectopic localization of neural crest cells: etiological factor of scoliosis

open access: yesХирургия позвоночника, 2015
Objective. To identify cell phenotypes in vertebral body growth plates from patients with idiopathic scoliosis. Material and Methods. Cells were isolated from vertebral body growth plates both on convex and concave sides of the de- formity in 50 ...
Alla M. Zaidman   +6 more
doaj   +1 more source

The Blocking Numbers of Convex Bodies [PDF]

open access: yesDiscrete & Computational Geometry, 2000
The blocking number \(b(K)\) of a convex body \(K\) in Euclidean \(n\)-space \(\mathbb{R}^n\) is defined as the smallest possible number of disjoint translates of \(K\) which touch from outside the boundary of \(K\) and which prevent any additional disjoint translate of \(K\) from touching \(K\) from outside.
Dalla, L   +3 more
openaire   +3 more sources

Cellular Responses to Mechanical Cues Across Scales: From Fundamental Insights to Translational Potential

open access: yesAdvanced Healthcare Materials, EarlyView.
This review examines how cellular behavior is regulated by mechanical cues transmitted through soft biomaterials, from single‐cell mechanosensing to tissue‐level adaptation. It highlights why physiological relevance, rather than model complexity alone, is critical for translational mechanobiology and introduces a scoring framework linking material ...
Mathias Polz   +9 more
wiley   +1 more source

A convex body with chaotic random convex hull [PDF]

open access: yes, 2013
The asymptotic behavior of the size of the convex hull of uniformly random points in a convex body in Rd is known for polytopes and smooth convex bodies. These are the lower and the upper bound for a general convex body.
Devillers, Olivier   +2 more
core   +6 more sources

Shadows of Convex Bodies [PDF]

open access: yesTransactions of the American Mathematical Society, 1991
It is proved that if C C is a convex body in
openaire   +3 more sources

Bioinspired Adaptive Surfaces for Intelligent Liquid Manipulation: Progressing From Passive and Active to Hybrid Strategies

open access: yesAdvanced Materials, EarlyView.
This review examines passive, active, and hybrid liquid manipulation strategies, highlighting hybrid approaches as an emerging route to reconcile energy efficiency with adaptive control. By actively reconstructing passive surfaces to store programmable interfacial energy, hybrid systems enable flexible yet low‐power liquid transport, with perspectives ...
Jiaqi Miao   +3 more
wiley   +1 more source

Polytopes and $C^1$-convex bodies [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2014
The face numbers of simplicial polytopes that approximate $C^1$-convex bodies in the Hausdorff metric is studied. Several structural results about the skeleta of such polytopes are studied and used to derive a lower bound theorem for this class of ...
Karim Adiprasito, José Alejandro Samper
doaj   +1 more source

Soft Skins With Reversible Thickness Morphing: Materials, Mechanisms, and Applications

open access: yesAdvanced Materials, EarlyView.
Evolution of electronic skin (e‐skin) technologies toward adaptive, multifunctional soft skins. Phase I highlights early rigid and discrete sensory interfaces. Phase II shows the transition toward flexible, stretchable, and large‐area e‐skin. Phase III captures the emergence of computational e‐skin.
Oliver Ozioko   +2 more
wiley   +1 more source

Packing Convex Bodies by Cylinders [PDF]

open access: yesDiscrete & Computational Geometry, 2016
In [BL] in relation to the unsolved Bang's plank problem (1951) we obtained a lower bound for the sum of relevant measures of cylinders covering a given d-dimensional convex body. In this paper we provide the packing counterpart of these estimates. We also extend bounds to the case of r-fold covering and packing and show a packing analog of Falconer's ...
Károly Bezdek, Alexander E. Litvak
openaire   +3 more sources

On Mixed-Integer Random Convex Programs [PDF]

open access: yes, 2012
We consider a class of mixed-integer optimization problems subject to N randomly drawn convex constraints. We provide explicit bounds on the tails of the probability that the optimal solution found under these N constraints will become infeasible for the
D. Lyons   +8 more
core   +1 more source

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