Results 81 to 90 of about 833,453 (290)

Adventures in crystal engineering [PDF]

open access: yes, 2018
Crystals are all around us and are aesthetically pleasing as they arise from the ordered, three-dimensional assembly of chemical species which can be minerals (e.g. salt), macromolecules (e.g. proteins) or smaller chemical species (e.g.
Tiekink, Edward R. T. *
core  

Optomechanical many-body cooling using frustration

open access: yes, 2016
We show that the vibrations of an ion Coulomb crystal can be cooled to the zero-point motion through the optomechanical coupling with a high-finesse cavity.
Cormick, Cecilia   +3 more
core   +2 more sources

COMP–PMEPA1 axis promotes epithelial‐to‐mesenchymal transition in breast cancer cells

open access: yesMolecular Oncology, EarlyView.
This study reveals that cartilage oligomeric matrix protein (COMP) promotes epithelial‐to‐mesenchymal transition (EMT) in breast cancer. We identify PMEPA1 (protein TMEPAI) as a novel COMP‐binding partner that mediates EMT via binding to the TSP domains of COMP, establishing the COMP–PMEPA1 axis as a key EMT driver in breast cancer.
Konstantinos S. Papadakos   +6 more
wiley   +1 more source

Abnormal lattice occupation of Mo and related polarons in LiNbO3: Hybrid density functional theory investigation

open access: yesJournal of Materiomics, 2020
Studies have reported that Mo-doped LiNbO3 exhibits excellent photorefractive performance, which may be attributed to the Mo abnormally occupation in Nb sites (MoNb) and the MoNb photorefractive centres.
Lili Li   +4 more
doaj   +1 more source

Tailoring of phononic band structures in colloidal crystals

open access: yes, 2007
We report an experimental study of the elastic properties of a two-dimensional (2D) colloidal crystal subjected to light-induced substrate potentials. In agreement with recent theoretical predictions [H.H. von Gruenberg and J. Baumgartl, Phys. Rev. E 75,
C. Bechinger   +3 more
core   +1 more source

E2A selectively regulates TGF‐β–induced apoptosis in KRAS‐mutant non‐small cell lung cancer

open access: yesMolecular Oncology, EarlyView.
Ability to induce apoptosis by TGF‐β is frequently lost in advanced lung adenocarcinoma despite intact TGF‐β signaling. We identify E2A as a mutant KRAS–dependent mediator of resistance to TGF‐β–induced apoptosis. TGF‐β induces E2A via SMAD3 in mutant KRAS cells, and E2A silencing restores apoptosis and enhances radiation response in cell lines ...
Sergei Chuikov   +3 more
wiley   +1 more source

Curvature-driven stability of defects in nematic textures over spherical disks

open access: yes, 2017
Stabilizing defects in liquid-crystal systems is crucial for many physical processes and applications ranging from functionalizing liquid-crystal textures to recently reported command of chaotic behaviors of active matters.
Duan, Xiuqing, Yao, Zhenwei
core   +1 more source

Targeting TNBC: core–shell polycationic polyurea dendrimers with inherent anticancer activity

open access: yesFEBS Open Bio, EarlyView.
Core–shell polycationic PURE dendrimers were tested in TNBC‐derived tumor models. Both formulations selectively targeted TNBC and effectively reduced tumor volume. PUREG4‐OEI48 suppressed tumor growth without detectable toxicity, whereas PUREG4‐OCEI24, despite showing efficacy, induced hepatic toxicity.
Adriana Cruz   +9 more
wiley   +1 more source

Oxide nanotemplates for self-assembling "solid" building blocks

open access: yes, 2005
It is widely accepted that self-assembling building blocks is one of the promising ways for engineering new materials. Recent years reveal substantial progress in fabricating colloidal particles, polymer blocks and supramolecular aggregates of organic ...
Balakrishnan   +34 more
core   +1 more source

DDX3X induces mesenchymal transition of endothelial cells by disrupting BMPR2 signaling

open access: yesFEBS Open Bio, EarlyView.
Elevated DDX3X expression led to downregulation of BMPR2, a key regulator of endothelial homeostasis and function. Our co‐immunoprecipitation assays further demonstrated a molecular interaction between DDX3X and BMPR2. Notably, DDX3X promoted lysosomal degradation of BMPR2, thereby impairing its downstream signaling and facilitating endothelial‐to ...
Yu Zhang   +7 more
wiley   +1 more source

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