Results 61 to 70 of about 557,778 (354)
Time after time – circadian clocks through the lens of oscillator theory
FEBS Letters, EarlyView.Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo +2 more
wiley +1 more source
Effects of Microsphere Size on the Mechanical Properties of Photonic Crystals
Crystals, 2018 Photonic crystal (PC) thin films that are self-assembled from different-sized silica microspheres were prepared for studying mechanical properties via nanoindentation at the submicron scale.
Yuemin Wang +7 more
doaj +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
Virtual and Physical PrototypingLattice structures have drawn significant interest owing to their exceptional mechanical properties, e.g. lightweight, strong, and tough performance. Here, inspired by the biostructure of the beetle elytra, a new tube-plate hybrid lattice structure (TPHL)
Mingzhi Wang +3 more
doaj +1 more source
On 2D Viscoelasticity with Small Strain
, 2009 An exact two-dimensional rotation-strain model describing the motion of Hookean incompressible viscoelastic materials is constructed by the polar decomposition of the deformation tensor.
C. Liu +21 more
core +1 more source
Slip dislocation and twin nucleation mechanisms in hcp metals [PDF]
, 2017 The final publication is available at Springer via http://dx.doi.org/10.1007/s10853-016-0351-4A new nucleation mechanism is proposed for {101¯1} deformation twin in hcp materials.
Ostapovets, Andriy +1 more
core +2 more sources
Modeling hepatic fibrosis in TP53 knockout iPSC‐derived human liver organoids
Molecular Oncology, EarlyView.This study developed iPSC‐derived human liver organoids with TP53 gene knockout to model human liver fibrosis. These organoids showed elevated myofibroblast activation, early disease markers, and advanced fibrotic hallmarks. The use of profibrotic differentiation medium further amplified the fibrotic signature seen in the organoids.
Mustafa Karabicici +8 more
wiley +1 more source
Electrical conductive and damage-tolerant nanolaminated MAB phases Cr2AlB2, Cr3AlB4 and Cr4AlB6
Materials Research Letters, 2017 Theoretical investigations on electronic structure, chemical bonding and mechanical properties reveal that MAB phases (CrB2)nCrAl (n = 1–3) exhibit anisotropic electrical and elastic properties, low shear deformation resistance and damage tolerance ...
Yanchun Zhou +3 more
doaj +1 more source
Mechanical Deformation Accelerates Protein Ageing
Angewandte Chemie, 2017 AbstractA hallmark of tissue ageing is the irreversible oxidative modification of its proteins. We show that single proteins, kept unfolded and extended by a mechanical force, undergo accelerated ageing in times scales of minutes to days. A protein forced to be continuously unfolded completely loses its ability to contract by folding, becoming a labile
Jessica Valle‐Orero +6 more
openaire +4 more sources
Parton Distributions in the Impact Parameter Space
, 2009 Parton distributions in impact parameter space, which are obtained by Fourier transforming GPDs, exhibit a significant deviation from axial symmetry when the target and/or quark is transversely polarized. In combination with the final state interactions,
Donal B. Day +6 more
core +2 more sources