Results 71 to 80 of about 5,012,413 (327)

Surface reconstruction and ferroelectricity in PbTiO$_3$ thin films

, 2005
Surface and ferroelectric properties of PbTiO$_3$ thin films are investigated using an interatomic potential approach with parameters computed from first-principles calculations.
A. Munkholm, M. E. Lines, M. G. Stachiotti, M. Sepliarsky, M. Sepliarsky, M. Sepliarsky, R. L. Migoni   +6 more
core   +1 more source

Chemical Diversity of Apatites [PDF]

, 2006
Apatites can accommodate a large number of vacancies and afford multiple ionic substitutions determining their reactivity and biological properties. Unlike other biominerals they offer a unique adaptability to various biological functions.
Combes, Christèle, Drouet, Christophe, Rey, Christian, Sfihi, Hocine   +3 more
core   +2 more sources

Peptide‐based ligand antagonists block a Vibrio cholerae adhesin

FEBS Letters, EarlyView.
The structure of a peptide‐binding domain of the Vibrio cholerae adhesin FrhA was solved by X‐ray crystallography, revealing how the inhibitory peptide AGYTD binds tightly at its Ca2+‐coordinated pocket. Structure‐guided design incorporating D‐amino acids enhanced binding affinity, providing a foundation for developing anti‐adhesion therapeutics ...
Mingyu Wang, Grace Du, Charity Yongo‐Luwawa, Angelina Lu, Brett Kinrade, Kim Munro, Karl E. Klose, William D. Lubell, Peter Davies, Shuaiqi Guo   +9 more
wiley   +1 more source

Effects of Brushing Simulation on the Surface Roughness, Microhardness and Colour Stability of Indirect Composite Resin and Polyetheretherketone Polymer: An In-vitro Study [PDF]

Journal of Clinical and Diagnostic Research
Introduction: Indirect composite and Polyetheretherketone (PEEK) are widely used in restorative dentistry due to their favourable mechanical and aesthetic properties. However, their durability under simulated brushing conditions, which mimic routine oral
Bhavini Nahata, Vaishnavi Rajaraman, Amrutha Shenoy, Smiline AS Girija, Kannika Parameshwari Kannan   +4 more
doaj   +1 more source

Fluctuating Interfaces, Surface Tension, and Capillary Waves: An Introduction

, 1992
We present an introduction to modern theories of interfacial fluctuations and the associated interfacial parameters: surface tension and surface stiffness, as well as their interpretation within the capillary wave model.
Privman, Vladimir
core   +1 more source

Disordered but rhythmic—the role of intrinsic protein disorder in eukaryotic circadian timing

FEBS Letters, EarlyView.
Unstructured domains known as intrinsically disordered regions (IDRs) are present in nearly every part of the eukaryotic core circadian oscillator. IDRs enable many diverse inter‐ and intramolecular interactions that support clock function. IDR conformations are highly tunable by post‐translational modifications and environmental conditions, which ...
Emery T. Usher, Jacqueline F. Pelham
wiley   +1 more source

Carbon nanotubes as a tip calibration standard for electrostatic scanning probe microscopies

, 2002
Scanning Surface Potential Microscopy (SSPM) is one of the most widely used techniques for the characterization of electrical properties at small dimensions.
Bonnell, Dawn A., Freitag, Marcus, Johnson, A. T., Kalinin, Sergei V.   +3 more
core   +1 more source

Substrate specificity of Burkholderia pseudomallei multidrug transporters is influenced by the hydrophilic patch in the substrate‐binding pocket

FEBS Letters, EarlyView.
Multidrug transporters BpeB and BpeF from the Gram‐negative pathogen Burkholderia pseudomallei have a hydrophilic patch in their substrate‐binding pocket. Drug susceptibility tests and growth curve analyses using an Escherichia coli recombinant expression system revealed that the hydrophilic patches of BpeB and BpeF are involved in the substrate ...
Ui Okada, Satoshi Murakami
wiley   +1 more source

Anomalous Roughness in Dimer-Type Surface Growth

, 2000
We point out how geometric features affect the scaling properties of non-equilibrium dynamic processes, by a model for surface growth where particles can deposit and evaporate only in dimer form, but dissociate on the surface. Pinning valleys (hill tops)
A. L. Barabási, G. I. Menon, H. Hinrichsen, H. Takayasu, Hyunggyu Park, Jae Dong Noh, M. den Nijs, M. H. Kim, M. Kardar, Marcel den Nijs, N. Inui, P. Grassberger, T. Halpin-Healy, U. Alon, V. Privman, W. Hwang   +15 more
core   +1 more source

Emerging role of ARHGAP29 in melanoma cell phenotype switching

Molecular Oncology, EarlyView.
This study gives first insights into the role of ARHGAP29 in malignant melanoma. ARHGAP29 was revealed to be connected to tumor cell plasticity, promoting a mesenchymal‐like, invasive phenotype and driving tumor progression. Further, it modulates cell spreading by influencing RhoA/ROCK signaling and affects SMAD2 activity. Rho GTPase‐activating protein
Beatrice Charlotte Tröster, Melanie Kappelmann‐Fenzl, Anja Katrin Bosserhoff, Nicole Rachinger   +3 more
wiley   +1 more source