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Effective intrinsic linear properties of laminar piezoelectric composites and simple ferroelectric domain structures [article]

Johannes Rödel
2005 arXiv   pre-print
Some numerical results for tetragonal barium titanate illustrate the effects of different domain arrangements on the effective properties.  ...  The method is finally applied to the analysis of various hierarchical domain structures.  ...  Obenaus and and T. Scholehwar, Fraunhofer IKTS Dresden, for support with SEM imaging of domain structures.  ... 
arXiv:cond-mat/0510283v1 fatcat:zuvmc5swhjbyxaioassprq7f34

Effects of Phosphorylation on the Structure and Backbone Dynamics of the Intrinsically Disordered Connexin43 C-terminal Domain

Rosslyn Grosely, Jennifer L. Kopanic, Sarah Nabors, Fabien Kieken, Gaëlle Spagnol, Mona Al-Mugotir, Sydney Zach, Paul L. Sorgen
2013 Journal of Biological Chemistry  
Circular dichroism and nuclear magnetic resonance were used to characterize the effects of phosphorylation on the secondary structure and backbone dynamics of soluble and membrane-tethered Cx43CT domains  ...  Connexins share a common topology of four membrane-spanning domains with two extracellular loops, one cytoplasmic loop (CL), and cytoplasmic N-and C-terminal domains.  ...  Acknowledgments-We thank Ed Ezell for assistance with NMR and Jeff Lovelace for computer expertise.  ... 
doi:10.1074/jbc.m113.454389 pmid:23828237 pmcid:PMC3750180 fatcat:decffbc73za6xootwpxx6asy6m

Prediction of the Effects of the Val66Met Polymorphism and Adjacent Structured Domains on the Conformational Ensemble of an Intrinsically Disordered Protein, Brain-Derived Neurotrophic Factor

Ruchi Lohia, Reza Salari, Grace Brannigan
2015 Biophysical Journal  
The distribution and relative dynamics of amyloid and non-amyloid domains suggest a mechanism by which the flanking domains may allow huntingtin binding proteins to influence the stability and formation  ...  Thus, we have elucidated the location and key structural features of the amyloid core.  ...  of the Effects of the Val66Met Polymorphism and Adjacent Structured Domains on the Conformational Ensemble of an Intrinsically Disordered Protein, Brain-Derived Neurotrophic Factor Ruchi Lohia, Reza Salari  ... 
doi:10.1016/j.bpj.2014.11.2118 fatcat:wbzzii35dzekvden4vt57saoeq

N- and C-terminal interactions in KCNH channels: The spotlight on the intrinsic ligand

Tinatin I. Brelidze
2019 The Journal of General Physiology  
The intrinsic ligand also interferes with the effects of flavonoids, which need to displace the intrinsic ligand in order to potentiate EAG channel currents .  ...  In their new study, Codding and Trudeau (2018) uncover a novel role of the intrinsic ligand as a structural glue that brings together the PAS and CNBH domains in KCNH channels.  ...  Mutations of key residues in the intrinsic ligand affected both structural and functional interactions between the PAS and CNBH domains of hERG channels.  ... 
doi:10.1085/jgp.201812313 fatcat:leobobce7nbelg3sj2hzvoe53y

Domain Structure in a Superconducting Ferromagnet

M. Fauré, A. I. Buzdin
2005 Physical Review Letters  
Sonin on our paper on the domain structure in a superconducting ferromagnet published in Phys. Rev. Lett..  ...  It is also absolutely clear from formulas (3), (5-6) and Fig. 2 from [1] that we considered the domain structure in a thin film and not the intrinsic domain structure.  ...  Our main result is the general expression given by formula (3) in [1] for the energy of the domain structure in a SFM film of arbitrary thickness 2L z (and not an intrinsic domain structure).  ... 
doi:10.1103/physrevlett.94.187202 pmid:15904406 fatcat:o6cd5jvdvzgx3btop562btuoby

Conformational Transitions in Adenylate Kinase

Paul C. Whitford, Shachi Gosavi, José N. Onuchic
2007 Journal of Biological Chemistry  
Coarse-grained models and nonlinear normal mode analysis were used to infer that intrinsic structural fluctuations dominate LID motion, whereas ligand-protein interactions and cracking (local unfolding  ...  The separation of allosteric motion into intrinsic structural fluctuations and ligand-induced contributions can be generalized to further our understanding of allosteric transitions in other proteins.  ...  Acknowledgments-We thank Professor Peter Wolynes and Jeffrey Noel for valuable discussions, especially regarding NMA, and Patricia Jennings for discussion about enzymatic kinetics.  ... 
doi:10.1074/jbc.m707632200 pmid:17998210 fatcat:klvwgkc46nf4np4vrhseq5dmoq

Relationship between domain structure and film thickness in epitaxial PbTiO3 films deposited on MgO(001) by reactive sputtering

Won Kyoung Choi, Si Kyoung Choi, Hyuck Mo Lee
1999 Journal of Materials Research  
As for the small thickness, the tensile epitaxial stress overwhelmed compressive intrinsic and thermal stresses, and the domain structure was a-domain oriented.  ...  As for the large thickness, the compressive intrinsic stress together with the thermal stress overcame the tensile epitaxial stress, and the population turned into c domain.  ...  ACKNOWLEDGMENT One of the authors (H.M.L.) acknowledges partial financial support from the Center for Interface Science and Engineering of Materials (CISEM) at KAIST.  ... 
doi:10.1557/jmr.1999.0633 fatcat:jqytvub5fbc7xcdjvpjowhnb6i

Effect of the intrinsic width on the piezoelectric force microscopy of a single ferroelectric domain wall

Anna N. Morozovska, Eugene A. Eliseev, George S. Svechnikov, Venkatraman Gopalan, Sergei V. Kalinin
2008 Journal of Applied Physics  
The analysis takes into account the finite intrinsic width of the domain wall, and dielectric anisotropy of the material.  ...  PFM profile of a realistic domain wall is shown to be the convolution of its intrinsic profile and resolution function of PFM.  ...  The PFM profiles of more sophisticated domain structures with ideal walls, such as periodic structures or cylindrical domains, were considered earlier for a spherical model of the tip. 23 An effective  ... 
doi:10.1063/1.2939369 fatcat:5f5sdrcpwbcf3od4wbqa5r3lpq

Potential Roles of Intrinsic Disorder in Maternal-Effect Proteins Involved in the Maintenance of DNA Methylation

Hongliang Liu, Qing Wei, Chenyang Huang, Yong Zhang, Zekun Guo
2017 International Journal of Molecular Sciences  
search to collect information on their interacting partners and structural characterization.  ...  Finally, we discuss the potential effect of intrinsic disorder on the function of these proteins in maintaining DNA methylation.  ...  Based on the comprehensive intrinsic disorder analysis and the intensive literature search for structure information, we found that the disorder regions potentially regulate the functions of the four maternal-effect  ... 
doi:10.3390/ijms18091898 pmid:28869544 pmcid:PMC5618547 fatcat:42ygsi5k3rca3gxk2wycbkgz2e

The Protection of Membranes from Cold-Stress: A Structural Study of the Intrinsically Disordered Dehydrin Bound to Micelles and Liposomes

Steffen P. Graether, Matthew Clarke, Josephine Warnica, John Atkinson, Jeffrey Madge
2014 Biophysical Journal  
In particular, we quantify the effects of sequence composition, chain length, and sequence patterning of disordered sequences on the inter-domain coupling.  ...  Mutating the D-domains in full-length hNHE1 and expressing wt and mutant NHE1s in epithelial cells lacking endogenous NHE1 evaluated the functional effects of NHE1-ERK interaction.  ...  from Cold-Stress: A Structural Study of the Intrinsically Disordered Dehydrin Bound to Micelles and Liposomes Steffen P.  ... 
doi:10.1016/j.bpj.2013.11.2403 fatcat:k23oaggozbdx3g5d7ifkgtth6y

Determination of Intrinsic Magnetic Parameters of SmCo5 Phase in Sintered Samples

Marcos Flavio de Campos, Fernando José Gomes Landgraf
2005 Materials Science Forum  
The first step for determination of intrinsic magnetic parameters is obtaining images of domain structure in demagnetized samples.  ...  Applying Stereology and Domain Theory, several intrinsic parameters of SmCo5 phase were determined: domain wall energy 120 erg/cm2, critical diameter for single domain particle size 2 μm and domain wall  ...  Acknowledgements MF de Campos thanks CAPES and FAPESP, proc. 00/03460-2 e 01/09122-4.  ... 
doi:10.4028/www.scientific.net/msf.498-499.129 fatcat:fvhvhkzsvvfhffwlwe6slxqce4

Mechanism of FGF receptor dimerization and activation

Sarvenaz Sarabipour, Kalina Hristova
2016 Nature Communications  
We further show that ligand binding triggers structural changes in the FGFR dimers, which increase FGFR phosphorylation. The observed effects due to the ligands fgf1 and fgf2 are very different.  ...  The fgf2-bound dimer structure ensures the smallest separation between the transmembrane (TM) domains and the highest possible phosphorylation, a conclusion that is supported by a strong correlation between  ...  Activation with fgf1 and fgf2. CHO and HEK 293T cells were cultured in normal medium for 24 h following transfection and then starved in serum-free medium for 24 h.  ... 
doi:10.1038/ncomms10262 pmid:26725515 pmcid:PMC4725768 fatcat:wn2bc6xffrenpn6bt7jrpkm6e4

Effects of Vesicle Diameter and Lipid Composition on α-Synuclein Binding

Elizabeth Middleton, Elizabeth Rhoades
2010 Biophysical Journal  
Consequently, there are many examples of intrinsically disordered regions sensing multiple cellular signals and responding by modulating the activity of a structured functional domain.  ...  Intrinsic disorder in proteins correlates with alternatively spliced motifs, protein interaction domains, and post-translational modification sites.  ...  Consequently, there are many examples of intrinsically disordered regions sensing multiple cellular signals and responding by modulating the activity of a structured functional domain.  ... 
doi:10.1016/j.bpj.2009.12.1404 fatcat:f4byxdi5wbe6vfaxzntvibcnxe

The Nuanced Interplay of Intrinsic Disorder and Other Structural Properties Driving Protein Evolution

Joseph Ahrens, Helena G. Dos Santos, Jessica Siltberg-Liberles
2016 Molecular biology and evolution  
In addition, a significant interaction exists between functional domain involvement and secondary structure.  ...  We used sequence-based computational methods to predict (i) intrinsic disorder propensity, (ii) secondary structure, and (iii) functional domain involvement across millions of amino acid sites in thousands  ...  , secondary structure, and functional domains.  ... 
doi:10.1093/molbev/msw092 pmid:27189555 fatcat:quhiahj5tfddhjh3b6vv3b5bry

Analyzing piezoresponse force microscopy for reconstruction of probed ferroelectric structures

K. Pan, Y. Y. Liu, Y. M. Liu, J. Y. Li
2012 Journal of Applied Physics  
Using such technique, we demonstrated that the relationship between the effective and intrinsic piezoelectric coefficients is sensitive to a variety of factors that are intrinsic to the probed materials  ...  While relatively simple domain structures were used for demonstration, the approach is general, and can be applied to ferroelectrics with arbitrary polarization distributions.  ...  ACKNOWLEDGMENTS We acknowledge the support of NSFC (Approval Nos. 10972189 and 11102175), and Scientific Research Fund of Hunan Provincial Education Department (11C1197).  ... 
doi:10.1063/1.4746034 fatcat:zf7m4ubeevbprk3uyouzkxqnsa
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