Preparation and characterization of Ag/ZnO composites via a simple hydrothermal route (2009)
Ye, Xiao-Yun, Zhou, Yu-Ming, Sun, Yan-Qing, Chen, Jing, Wang, Zhi-Qiang
Silver/zinc oxide (Ag/ZnO) composites were fabricated by a facile one-pot synthesis method under hydrothermal conditions. By choosing glucose as the reductant, metal Ag was fabricated from Ag2O with...
N,N,N′,N′-Tetrakis(2-hydroxyethyl)terephthalamide (2009)
Zhi-Qiang Wang, Chen Xu, Ying-Fei Li, Fei-Fei Cen, Yu-Qing Zhang
The molecule of the title compound, C16H24N2O6, which lies on a crystallographic inversion centre in the centre of the benzene ring, adopts an anti conformation in terms of the relative orientation...
4,4′-(Anthracene-9,10-diyl)dibenzoic acid dimethylformamide disolvate (2009)
Hong Li, Zhi-Qiang Wang, Liu-Zhi Yang, Yan-Qi Liu, Duo-Bin Mao
In the title compound, C28H18O4·2C3H7NO, the dihedral angle between the benzene rings and the anthracene system is 74.05 (12)°. A crystallographic inversion centre is located in the...
Chlorido(2-formyl-6-hydroxyphenyl-κC1)mercury(II) (2009)
Chen Xu, Fei-Fei Cen, Zhi-Qiang Wang, Yu-Qing Zhang
In the planar [r.m.s. deviation 0.0265 Å] title compound, [Hg(C7H5O2)Cl], the HgII atom shows a typical linear coordination by a C atom of a benzene ring and a Cl atom. The benzene C atom...
4,6-Dimethyl-2-p-tolylpyrimidine (2009)
Chen Xu, Zhi-Qiang Wang, Fei-Fei Cen, Lin Cheng, Bao-Ming Ji
The molecule of the title compound, C13H14N2, is located on a crystallographic mirror plane. The aromatic rings make a dihedral angle of 3.4 (2)°. The H atoms of the methyl groups on the...
Let H be a Hilbert space with inner product 〈·, · 〉 and J ∈ C 2 (H, R), J ′ : H → H ∗ be its (2008)
In this paper, a local minimax-Newton method is developed to solve for multiple saddle points. The local minimax method [15] is used to locate an initial guess and a version of the generalized Newton...
Thomas Bartsch, Zhi-qiang Wang, Juncheng Wei, Edward Fadell
Abstract. We consider the existence of bound states for the coupled elliptic system ∆u1 − λ1u1 + µ1u 3 1 + βu 2 2u1 = 0 in R n, ∆u2 − λ2u2 + µ2u 3 2 + βu 2 1u2 = 0 in R n, u1> 0,...
Dibromidobis[2-(dicyclohexylphosphanyl)biphenyl-κP]palladium(II) (2008)
Chen Xu, Ying-Fei Li, Zhi-Qiang Wang, Fei-Fei Cen, Yu-Qing Zhang
The title compound, [PdBr2(C24H31P)2], has a distorted trans square-planar coordination of the Pd atom, which occupies an inversion centre. The most important bond distances include Pd—P of...
1,4-Dibromo-2,5-bis(hexyloxy)benzene (2008)
Ying-Fei Li, Chen Xu, Fei-Fei Cen, Zhi-Qiang Wang, Yu-Qing Zhang
In the centrosymmetric title compound, C18H28Br2O2, the alkyl chains adopt a fully extended all-trans conformation and each of them is almost planar. In addition, the alkyl chains are coplanar with...
1,3,5-Tris{[3-(1H-benzotriazol-1-ylmethyl)phenoxy]methyl}-2,4,6-trimethylbenzene (2008)
Chen Xu, Wan-Ling Si, Zhi-Qiang Wang, Hong-Ji Ma, Bao-Ming Ji
In the title compound, C51H45N9O3, three 1-(1H-benzotriazol-1-ylmethyl)-3-phenyloxy (bmph) ligands are bonded to the central benzene ring in an asymmetric arrangement, two bmph located on one side of...
2-Ferrocenyl-6-methylpyridin-3-ol (2008)
Zhi-Qiang Wang, Chen Xu, Fei-Fei Cen, Ying-Fei Li, Bao-Ming Ji
In the title compound, [Fe(C5H5)(C11H10NO)], the dihedral angle between the pyridyl and substituted cyclopentadienyl rings is 20.4 (3)°. The H atoms of the methyl group are disordered over...
Existence and symmetry of multi-bump solutions (2007)
for nonlinear Schrodinger equations
USA-Chile Workshop on Nonlinear Analysis, (2007)
ftp ejde.math.swt.edu or ejde.math.unt.edu (login: ftp) Gluing approximate solutions of minimum type on the Nehari manifold
Florin Catrina, Zhi-qiang Wang, R N Jxj, R N Jxj
Abstract. Consider the following inequalities due to Caffarelli, Kohn and Nirenberg [3]:
and nonexistence of G\Gammaleast energy solutions for a nonlinear Neumann problem with critical exponent
(will be inserted by hand later) On the existence of soliton solutions to quasilinear Schrodinger equations
Periodic solutions of spatially periodic, even Hamiltonian systems (2007)
Thomas Bartsch, Zhi-qiang Wang
this paper we consider the following situation. Suppose the fixed point set M
Jaeyoung Byeon, Zhi-qiang Wang
ABSTRACT. This paper is concerned with the qualitative property of the ground state solutions for the Hnon equation. By studying a limiting equation on the upper half space, we investigate the...
For a class of quasilinear SchrSdinger equations we establish the existence of ground states of soliton type solutions by a minimization argument. 1
An efficient and stable method for computing multiple saddle points with symmetries (2007)
Zhi-qiang Wang, Jianxin Zhou I
In this paper, an efficient and stable numerical algorithm for computing multiple saddle points with symmetries is developed by modifying the local minimax method established in [12, 13]. First an...
Florin Catrina, Zhi-qiang Wang
Abstract. In this article, we prove that the problem--Av+v----v p-l, v C Hi(x), v> 0 inCx, 2N C)------1 with 2-, x R, has a unique ground state solution provided A is sufficiently large. We also...
≤ Ca,b |x | −2a |∇u | 2 dx (2007)
Florin Catrina, Zhi-qiang Wang
Dedicated to Professor L. Nirenberg on the occasion of his 75 th birthday Consider the following inequalities due to Caffarelli, Kohn, and Nirenberg [6]:
Periodic solutions of spatially periodic, even Hamiltonian systems (2007)
Thomas Bartsch, Zhi-qiang Wang
Let (M;!) be a symplectic manifold and G a compact Lie group which acts symplectically
Florin Catrina, Zhi-qiang Wang
Consider the following inequalities due to Caffarelli, Kohn and Nirenberg ([6]): `Z
Standing Waves with a Critical Frequency for Nonlinear Schrödinger Equations (2007)
Jaeyoung Byeon, Zhi-qiang Wang
This paper is concerned with the existence and qualitative property of standing wave solutions /(t; x) = e \GammaiEt=~ v(x) for the nonlinear Schrodinger equation ~ @t + 2 \Delta/ \Gamma V (x)/ + j/j...
Zhang, Qi, Cao, Chunyang, Wang, Zhi-Qiang, Wang, Yun-Hua, Wu, Houming, Huang, Zhong-Xian
A comparative study on the solution structures of bovine microsomal cytochrome b5 (Tb5) and the mutant V45H has been achieved by 1D and 2D 1H-NMR spectroscopy to clarify the differences in the...
Hardy inequalities with boundary terms (2003)
In this note, we present some Hardy type inequalities for functions which do not vanish on the boundary of a given domain. We establish these inequalities for both bounded and unbounded domains and...
Soliton Solutions for Quasilinear Schrödinger Equations, II (2002)
Jia-Quan Liu, Ya-qi Wang, Zhi-qiang Wang
For a class of quasilinear Schrodinger equations we establish the existence of ground states of soliton type solutions by a variational method.
A one-dimensional nonlinear degenerate elliptic equation (2001)
Florin Catrina, Zhi-Qiang Wang
We study the one-dimensional version of the Euler-Lagrange equation associated to finding the best constant in the Caffarelli-Kohn-Nirenberg inequalities. We give a complete description of all...
Gluing approximate solutions of minimum type on the Nehari manifold (2001)
In the last decade or so, variational gluing methods have been widely used to construct homoclinic and heteroclinic type solutions of nonlinear elliptic equations and Hamiltonian systems. This note...
The paper is concerned with existence results about subharmonic solutions of some Hamiltonian systems. The existence of such solutions is established using a variational approach and results about...
Multiplicity results for positive solutions to non-autonomous elliptic problems (1999)
We are concerned with the multiplicity of positive solutions for non-autonomous elliptic equations with Dirichlet and Neumann boundary conditions. Using Ljusternik-Schnirelmann theory, we show that...
Bartsch, Thomas, Wang, Zhi-Qiang
Institute for Mathematical Research
Periodic solutions of spatially periodic, even Hamiltonian systems Elektronische Daten (1996)
Bartsch, Thomas, Wang, Zhi-Qiang
Institute for Mathematical Research
On the Existence of Sign Changing Solutions for Semilinear Dirichlet Problems (1996)
Thomas Bartsch, Zhi-qiang Wang
this paper we shall refine Wang's result and obtain more information on u 1 and on other solutions whose existence is proved via Morse theory. Let us illustrate this with the following two...
Peroxynitrite decomposition catalysts: Therapeutics for peroxynitrite-mediated pathology
Salvemini, Daniela, Wang, Zhi-Qiang, Stern, Michael K., Currie, Mark G., Misko, Thomas P.
Inflamed tissue is often characterized by the production of NO and superoxide. These radicals react at diffusion-limited rates to form the powerful oxidant peroxynitrite (PN). When protonated, PN...
Peroxynitrite decomposition catalysts: Therapeutics for peroxynitrite-mediated pathology
Salvemini, Daniela, Wang, Zhi-Qiang, Stern, Michael K., Currie, Mark G., Misko, Thomas P.
Inflamed tissue is often characterized by the production of NO and superoxide. These radicals react at diffusion-limited rates to form the powerful oxidant peroxynitrite (PN). When protonated, PN...
Salvemini, Daniela, Riley, Dennis P, Lennon, Patrick J, Wang, Zhi-Qiang, Currie, Mark G, Macarthur, Heather, ...
The relative contributions of superoxide anion (O2−) and peroxynitrite (PN) were evaluated in the pathogenesis of intestinal microvascular damage caused by the intravenous injection of E. coli...
On the selectivity of superoxide dismutase mimetics and its importance in pharmacological studies
Muscoli, Carolina, Cuzzocrea, Salvatore, Riley, Dennis P, Zweier, Jay L, Thiemermann, Christoph, Wang, Zhi-Qiang, ...
The list of pathophysiological conditions associated with the overproduction of superoxide expands every day. Much of the knowledge compiled on the role of this radical in disease has been gathered...
Zhang, Qi, Cao, Chunyang, Wang, Zhi-Qiang, Wang, Yun-Hua, Wu, Houming, Huang, Zhong-Xian
A comparative study on the solution structures of bovine microsomal cytochrome b5 (Tb5) and the mutant V45H has been achieved by 1D and 2D 1H-NMR spectroscopy to clarify the differences in the...
Nonlinear Elliptic Equations On Expanding Symmetric Domains
Florin Catrina, Zhi-qiang Wang
In this article we study the problem 8 ! : \Gamma\Deltau + u = u p u ? 0; in\Omega a u = 0; on @\Omega a in the case\Omega a is an expanding domain. In particular, for n 2 when\Omega a = fx 2 R n : a...
Catalytic Reduction of a Tetrahydrobiopterin Radical within Nitric-oxide Synthase*
Wei, Chin-Chuan, Wang, Zhi-Qiang, Tejero, Jesús, Yang, Ya-Ping, Hemann, Craig, Hille, Russ, ...
Nitric-oxide synthases (NOS) are catalytically self-sufficient flavo-heme enzymes that generate NO from arginine (Arg) and display a novel utilization of their tetrahydrobiopterin (H4B) cofactor....
Bacterial Nitric-oxide Synthases Operate without a Dedicated Redox Partner*S⃞
Gusarov, Ivan, Starodubtseva, Marina, Wang, Zhi-Qiang, McQuade, Lindsey, Lippard, Stephen J., Stuehr, Dennis J., ...
Bacterial nitric-oxide (NO) synthases (bNOSs) are smaller than their mammalian counterparts. They lack an essential reductase domain that supplies electrons during NO biosynthesis. This and other...
Wang, Zhi-Qiang, Si, Lizhen, Tang, Quan, Lin, Debao, Fu, Zhangjie, Zhang, Jing, ...
Familial progressive hyperpigmentation (FPH) is an autosomal-dominantly inherited disorder characterized by hyperpigmented patches in the skin, present in early infancy and increasing in size and...