Short-range structure and elasticity of attractive jammed matter (2008)
Zaccone, Alessio, Wu, Hua, Morbidelli, Massimo
The problem of elasticity of jammed solids in relation to their short-range structure has been investigated. First, a new version of effective medium theory is derived using the free energy expansion...
Ising magnetism and ferroelectricity in Ca$_3$CoMnO$_6$ (2008)
Wu, Hua, Burnus, T., Hu, Z., Martin, C., Maignan, A., Cezar, J. C., ...
The origin of both the Ising chain magnetism and ferroelectricity in Ca$_3$CoMnO$_6$ is studied by $ab$ $initio$ electronic structure calculations and x-ray absorption spectroscopy. We find that...
Homopolar bond formation in ZnV$_2$O$_4$ close to a metal-insulator transition (2008)
Pardo, V., Blanco-Canosa, S., Rivadulla, F., Khomskii, D. I., Baldomir, D., Wu, Hua, ...
Electronic structure calculations for spinel vanadate ZnV$_2$O$_4$ show that partial electronic delocalization in this system leads to structural instabilities. These are a consequence of the...
X-ray absorption and x-ray magnetic dichroism study on Ca3CoRhO6 and Ca3FeRhO6 (2008)
Burnus, T., Hu, Z., Wu, Hua, Cezar, J. C., Niitaka, S., Takagi, H., ...
Using x-ray absorption spectroscopy at the Rh-L_2,3, Co-L_2,3, and Fe-L_2,3 edges, we find a valence state of Co^2+/Rh^4+ in Ca3CoRhO6 and of Fe^3+/Rh^3+ in Ca3FeRhO6. X-ray magnetic circular...
(2-Amino-5-chlorobenzenesulfonato)bis(triphenylphosphine)silver(I) (2008)
Hua Wu, Li-Li Gao, Ying-Ying Liu
The asymmetric unit of the title mononuclear compound, [Ag(C6H5ClNO3S)(C18H15P)2], contains four independent molecules. In each of the molecules, the AgI cation is three-coordinated by two...
Factors Predicting Den Use by Maternal Giant Pandas (2007)
ZEJUN ZHANG, RONALD R. SWAISGOOD, HUA WU, MING LI, YANGE YONG, JINCHU HU, ...
We studied the denning ecology of giant pandas (Ailuropoda melanoleuca) in the Foping Nature Reserve, China. We identified 17 used and 21 unused cavities of appropriate size to accommodate denning...
Burnus, T., Hu, Z., Hsieh, H. H., Joly, V. L. J., Joy, P. A., Haverkort, M. W., ...
We have studied the local electronic structure of LaMn0.5Co0.5O3 using soft-x-ray absorption spectroscopy at the Co-L_3,2 and Mn-L_3,2 edges. We found a high-spin Co^{2+}--Mn^{4+} valence state for...
Orbital ordering in the ferromagnetic insulator Cs$_2$AgF$_4$ from first principles (2007)
We found, using density-functional theory calculations within the generalized gradient approximation, that Cs$_2$AgF$_4$ is stabilized in the insulating orthorhombic phase rather than in the metallic...
Insulating state and the importance of the spin-orbit coupling in Ca$_3$CoRhO$_6$ (2007)
Wu, Hua, Hu, Z., Khomskii, D. I., Tjeng, L. H.
We have carried out a comparative theoretical study of the electronic structure of the novel one-dimensional Ca$_3$CoRhO$_6$ and Ca$_3$FeRhO$_6$ systems. The insulating antiferromagnetic state for...
Density-functional theory study of half-metallic heterostructures: interstitial Mn in Si (2007)
Wu, Hua, Kratzer, Peter, Scheffler, Matthias
Using density-functional theory within the generalized gradient approximation, we show that Si-based heterostructures with 1/4 layer $\delta$-doping of {\em interstitial} Mn (Mn$_{\mathrm int}$) are...
A Role for Alström Syndrome Protein, Alms1, in Kidney Ciliogenesis and Cellular Quiescence (2007)
Guochun Li, Raquel Vega, Keats Nelms, Nicholas Gekakis, Christopher Goodnow, Peter McNamara, ...
Premature truncation alleles in the ALMS1 gene are a frequent cause of human Alström syndrome. Alström syndrome is a rare disorder characterized by early obesity and sensory impairment, symptoms...
Density-functional theory study of half-metallic heterostructures: Interstitial Mn in Si (2007)
Wu, Hua, Kratzer, Peter, Scheffler, Matthias
Using density-functional theory within the generalized gradient approximation, we show that Si-based heterostructures with 1/4 layer δ doping of interstitial Mn (Mnint) are half-metallic. For Mnint...
Transition-metal silicides as materials for magnet-semiconductor heterostructures (2007)
Kratzer, Peter, Hashemifar, S. Javad, Wu, Hua, Hortamani, Mahbube, Scheffler, Matthias
The injection of a spin-polarized current into a semiconductor, one of the key requirements for spintronics, poses the challenge for computational materials science to possibly screen suitable...
Guochun Li, Raquel Vega, Keats Nelms, Nicholas Gekakis, Christopher Goodnow, Peter McNamara, ...
Premature truncation alleles in the ALMS1 gene are a frequent cause of human Alström syndrome. Alström syndrome is a rare disorder characterized by early obesity and sensory impairment, symptoms...
Orbitally driven spin-singlet dimerization in $S$=1 La$_{4}$Ru$_{2}$O$_{10}$ (2006)
Wu, Hua, Hu, Z., Burnus, T., Denlinger, J. D., Khalifah, P. G., Mandrus, D., ...
Using x-ray absorption spectroscopy at the Ru-$L_{2,3}$ edge we reveal that the Ru$^{4+}$ ions remain in the $S$=1 spin state across the rare 4d-orbital ordering transition and spin-gap formation. We...
Hortamani, Mahbube, Wu, Hua, Kratzer, Peter, Scheffler, Matthias
Ultrathin films of manganese silicides on silicon are of relevance as a possible material system for building spintronics devices with silicon technology. In order to achieve insight into epitaxial...
Electronic structure of $RE$AuMg and $RE$AgMg ($RE$ = Eu, Gd, Yb) (2005)
Gegner, Jan, Koethe, T. C., Wu, Hua, Hartmann, H., Lorenz, T., Fickenscher, T., ...
We have investigated the electronic structure of the equiatomic EuAuMg, GdAuMg, YbAuMg and GdAgMg intermetallics using x-ray photoelectron spectroscopy. The spectra revealed that the Yb and Eu are...
First-principles study of thin magnetic transition-metal silicide films on Si(001) (2005)
Wu, Hua, Kratzer, Peter, Scheffler, Matthias
In order to combine silicon technology with the functionality of magnetic systems, a number of ferromagnetic (FM) materials have been suggested for the fabrication of metal/semiconductor...
Nature of magnetism in Ca$_3$Co$_2$O$_6$ (2005)
Wu, Hua, Haverkort, M. W., Hu, Z., Khomskii, D. I., Tjeng, L. H.
We find using LSDA+U band structure calculations that the novel one-dimensional cobaltate Ca$_3$Co$_2$O$_6$ is not a ferromagnetic half-metal but a Mott insulator. Both the octahedral and the...
First-principles study of ferromagnetism in epitaxial Si-Mn thin films on Si(001) (2004)
Wu,Hua, Hortamani,Mahbube, Kratzer,Peter, Scheffler,Matthias
Modeling structure effects on aggregation kinetics in colloidal dispersions (2004)
Sandkuhler, Peter, Sefcik, Jan, Lattuada, Marco, Wu, Hua, Morbidelli, Massimo
The time evolution of the cluster-mass distribution (CMD) during colloidal aggregation can be modeled using population balance equations, given that the matrix of the aggregation rate constant...
Karl Simin, Hua Wu, Lucy Lu, Dan Pinkel, Donna Albertson, Robert D. Cardiff, ...
Inactivation of the three retinoblastoma genes in the mouse mammary gland provides a new animal model for human breast cancer.
Karl Simin, Hua Wu, Lucy Lu, Dan Pinkel, Donna Albertson, Robert D. Cardiff, ...
Retinoblastoma 1 (pRb) and the related pocket proteins, retinoblastoma-like 1 (p107) and retinoblastoma-like 2 (p130) (pRbf, collectively), play a pivotal role in regulating eukaryotic cell cycle...
First-principles study of ferromagnetism in epitaxial Si-Mn thin films on Si(001) (2004)
Wu, Hua, Hortamani, Mahbube, Kratzer, Peter, Scheffler, Matthias
A different look at the spin state of Co$^{3+}$ ions in CoO$_{5}$ pyramidal coordination (2003)
Hu, Z., Wu, Hua, Haverkort, M. W., Hsieh, H. H., Lorenz, T., ...
Using soft-x-ray absorption spectroscopy at the Co-$L_{2,3}$ and O-$K$ edges, we demonstrate that the Co$^{3+}$ ions with the CoO$_{5}$ pyramidal coordination in the layered Sr$_2$CoO$_3$Cl compound...
The dielectric constant of the incipient ferroelectric EuTiO$_3$ exhibits a sharp decrease at about 5.5K, at which temperature antiferromagnetic ordering of the Eu spins simultaneously appears,...
A general spin-state model and a qualitative physical picture have been proposed for a class of lately synthesized layered cobalt oxides (LCOs) by means of density functional calculations. As the...
We have implemented a systematic LSDA and LSDA+U study of the double perovskites $A_{2}$FeReO$_{6}$ (A=Ba,Sr,Ca) and Sr$_{2}$$M$MoO$_{6}$ (M=Cr,Mn,Fe,Co) for understanding of their intriguing...
A clear physics picture of TbBaCo$_{2}$O$_{5.5}$ is revealed on the basis of density functional theory calculations. An antiferromagnetic (AFM) superexchange coupling between the almost high-spin...
During fertilization the sperm activates the mammalian egg by eliciting [Ca2+ ]i oscillations. However, how the sperm triggers [Ca2+ ]i oscillations in mammalian eggs remains unknown. To test the...
Ballistic transport: A view from the quantum theory of motion (1994)
Ballistic transport of electrons through a quantum wire with a constriction is studied in terms of Bohm's interpretation of quantum mechanics, in which the concept of a particle orbit is permitted....
Numerical investigation of iso-spectral cavities built from triangles (1994)
Wu, Hua, Sprung, D. W. L., Martorell, J.
We present computational approaches as alternatives to the recent microwave cavity experiment by S. Sridhar and A. Kudrolli (Phys. Rev. Lett. {\bf 72}, 2175 (1994)) on iso-spectral cavities built...
``Chaos" in Nuclear High Spin Spectroscopy (1994)
Sun, Yang, Feng, Da Hsuan, Chen, Hsi-Tseng, Wu, Hua
The Projected Shell Model with zero-, two- and four-quasiparticle configurations is used to investigate the level statistics, i.e. chaoticity, of high spin spectroscopy. The model can describe many...
Cathelicidin Gene Expression in Porcine Tissues: Roles in Ontogeny and Tissue Specificity†
Wu, Hua, Zhang, Guolong, Ross, Christopher R., Blecha, Frank
Cathelicidins constitute a family of mammalian antimicrobial peptides that are synthesized in the bone marrow as prepropeptides, stored in neutrophil granules as propeptides, and released as active,...
Porcine Epithelial β-Defensin 1 Is Expressed in the Dorsal Tongue at Antimicrobial Concentrations
Shi, Jishu, Zhang, Guolong, Wu, Hua, Ross, Christopher, Blecha, Frank, Ganz, Tomas
Epithelial cells and phagocytes contain antimicrobial polypeptides that participate in innate host defense. A recently cloned porcine β-defensin, PBD-1, was detected by Northern organ blots...
Zhang, Guolong, Wu, Hua, Ross, Christopher R., Minton, J. Ernest, Blecha, Frank
The gene for natural resistance-associated macrophage protein 1 (NRAMP1) plays a dominant role in controlling the resistance of inbred mice to infection with intracellular bacteria, such as...
Wu, Hua, Zhang, Guolong, Minton, J. Ernest, Ross, Christopher R., Blecha, Frank
Cathelicidins are a family of antimicrobial peptides prominent in the host defense mechanisms of several mammalian species. In addition to their antimicrobial activities, these peptides have been...
Identification of phosphorylated residues that affect the activity of the mitotic kinase Aurora-A
Littlepage, Laurie E., Wu, Hua, Andresson, Thorkell, Deanehan, Julia K., Amundadottir, Laufey T., Ruderman, Joan V.
The activity of the kinase Aurora-A (Aur-A) peaks during mitosis and depends on phosphorylation by one or more unknown kinases. Mitotic phosphorylation sites were mapped by mass spec sequencing of...
Genome-wide single-nucleotide polymorphism analysis defines haplotype patterns in mouse
Wiltshire, Tim, Pletcher, Mathew T., Batalov, Serge, Barnes, S. Whitney, Tarantino, Lisa M., Cooke, Michael P., ...
The nature and organization of polymorphisms, or differences, between genomes of individuals are of great interest, because these variations can be associated with or even underlie phenotypic traits,...
Simin, Karl, Wu, Hua, Lu, Lucy, Pinkel, Dan, Albertson, Donna, Cardiff, Robert D, ...
Retinoblastoma 1 (pRb) and the related pocket proteins, retinoblastoma-like 1 (p107) and retinoblastoma-like 2 (p130) (pRbf, collectively), play a pivotal role in regulating eukaryotic cell cycle...
Cathelicidin Gene Expression in Porcine Tissues: Roles in Ontogeny and Tissue Specificity†
Wu, Hua, Zhang, Guolong, Ross, Christopher R., Blecha, Frank
Cathelicidins constitute a family of mammalian antimicrobial peptides that are synthesized in the bone marrow as prepropeptides, stored in neutrophil granules as propeptides, and released as active,...
Porcine Epithelial β-Defensin 1 Is Expressed in the Dorsal Tongue at Antimicrobial Concentrations
Shi, Jishu, Zhang, Guolong, Wu, Hua, Ross, Christopher, Blecha, Frank, Ganz, Tomas
Epithelial cells and phagocytes contain antimicrobial polypeptides that participate in innate host defense. A recently cloned porcine β-defensin, PBD-1, was detected by Northern organ blots...
Zhang, Guolong, Wu, Hua, Ross, Christopher R., Minton, J. Ernest, Blecha, Frank
The gene for natural resistance-associated macrophage protein 1 (NRAMP1) plays a dominant role in controlling the resistance of inbred mice to infection with intracellular bacteria, such as...
Wu, Hua, Zhang, Guolong, Minton, J. Ernest, Ross, Christopher R., Blecha, Frank
Cathelicidins are a family of antimicrobial peptides prominent in the host defense mechanisms of several mammalian species. In addition to their antimicrobial activities, these peptides have been...
Identification of phosphorylated residues that affect the activity of the mitotic kinase Aurora-A
Littlepage, Laurie E., Wu, Hua, Andresson, Thorkell, Deanehan, Julia K., Amundadottir, Laufey T., Ruderman, Joan V.
The activity of the kinase Aurora-A (Aur-A) peaks during mitosis and depends on phosphorylation by one or more unknown kinases. Mitotic phosphorylation sites were mapped by mass spec sequencing of...
Genome-wide single-nucleotide polymorphism analysis defines haplotype patterns in mouse
Wiltshire, Tim, Pletcher, Mathew T., Batalov, Serge, Barnes, S. Whitney, Tarantino, Lisa M., Cooke, Michael P., ...
The nature and organization of polymorphisms, or differences, between genomes of individuals are of great interest, because these variations can be associated with or even underlie phenotypic traits,...
Simin, Karl, Wu, Hua, Lu, Lucy, Pinkel, Dan, Albertson, Donna, Cardiff, Robert D, ...
Retinoblastoma 1 (pRb) and the related pocket proteins, retinoblastoma-like 1 (p107) and retinoblastoma-like 2 (p130) (pRbf, collectively), play a pivotal role in regulating eukaryotic cell cycle...
A Role for Alström Syndrome Protein, Alms1, in Kidney Ciliogenesis and Cellular Quiescence
Li, Guochun, Vega, Raquel, Nelms, Keats, Gekakis, Nicholas, Goodnow, Christopher, McNamara, Peter, ...
Premature truncation alleles in the ALMS1 gene are a frequent cause of human Alström syndrome. Alström syndrome is a rare disorder characterized by early obesity and sensory impairment, symptoms...
A mutation in a chromosome condensin II subunit, kleisin β, specifically disrupts T cell development
Gosling, Katharine M., Makaroff, Lydia E., Theodoratos, Angelo, Kim, Yong-Hee, Whittle, Belinda, Rui, Lixin, ...
Condensins are ubiquitously expressed multiprotein complexes that are important for chromosome condensation and epigenetic regulation of gene transcription, but whose specific roles in vertebrates...
Blair, Wade S., Cao, Joan, Jackson, Lynn, Jimenez, Judith, Peng, Qinghai, Wu, Hua, ...
More than 106 compounds were evaluated in a human immunodeficiency virus type 1 (HIV-1) high-throughput antiviral screen, resulting in the identification of a novel HIV-1 inhibitor (UK-201844)....