Kai Sun

Nested Quantum Error Correction Codes (2009)

Wang, Zhuo, Sun, Kai, Fan, Hen, Vedral, Vlatko

The theory of quantum error correction was established more than a decade ago as the primary tool for fighting decoherence in quantum information processing. Although great progress has already been...

Stable topological phases in a family of two-dimensional fermion models (2009)

Cheng, Meng, Sun, Kai, Galitski, Victor, Sarma, S. Das

We show that a large class of two-dimensional spinless fermion models exhibit topological superconducting phases characterized by a non-zero Chern number. More specifically, we consider a generic...

Topological phases of dipolar particles in elongated Wannier orbitals (2009)

Sun, Kai, Zhao, Erhai, Liu, W. Vincent

We show that topological phases with fractional excitations can occur in two-dimensional ultracold dipolar gases on a particular class of optical lattices. Due to the dipolar interaction and lattice...

Spin-charge interplay in electronic liquid crystals: fluctuating spin stripe driven by charge nematic (2009)

Sun, Kai, Lawler, Michael J., Kim, Eun-Ah

We study the interplay between charge and spin ordering in electronic liquid crystalline states with a particular emphasis on fluctuating spin stripe phenomena observed in recent neutron scattering...

Topological Insulators and Nematic Phases from Spontaneous Symmetry Breaking in 2D Fermi Systems with a Quadratic Band Crossing (2009)

Sun, Kai, Yao, Hong, Fradkin, Eduardo, Kivelson, Steven A.

We investigate the stability of a quadratic band-crossing point (QBCP) in 2D fermionic systems. At the non-interacting level, we show that a QBCP exists and is topologically stable for a Berry flux...

Biaxial nematic phases in ultracold dipolar Fermi gases (2009)

Fregoso, Benjamin M., Sun, Kai, Fradkin, Eduardo, Lev, Benjamin L.

Ultracold dipolar Fermi gases represent relatively unexplored, strongly correlated systems arising from long-range and anisotropic interactions. We demonstrate the possibility of a spontaneous...

Elevated Serum Advanced Glycation End Products and Poor Grip Strength in Older Community-Dwelling Women (2009)

Dalal, Mansi, Ferrucci, Luigi, Sun, Kai, Beck, Justine, Fried, Linda P., Semba, Richard D.

Background Advanced glycation end products (AGEs) have been implicated in the pathogenesis of diabetes, heart disease, and kidney failure and may potentially affect skeletal muscle. Whether AGEs are...

Elevated serum advanced glycation end products and their circulating receptors are associated with anaemia in older community-dwelling women (2009)

Semba, Richard D., Ferrucci, Luigi, Sun, Kai, Patel, Kushang V., Guralnik, Jack M., Fried, Linda P.

Objective: to determine whether serum carboxymethyl-lysine, a dominant advanced glycation end product (AGE), and circulating total receptor for AGEs (sRAGE) and endogenous secretory receptor for AGEs...

A self-pulsating and aperiodic optical fibre source based on cascaded regeneration (2009)

Sun, Kai

There is currently much work focusing on designing multiwavelength and wavelength tunable self-pulsating fibre sources due to their various applications in optical communication systems. In this...

Increased p38-MAPK is responsible for chemotherapy resistance in human gastric cancer cells (2008)

Guo, Xianling, Ma, Nannan, Wang, Jin, Song, Jianrui, Bu, Xinxin, Cheng, Yue, ...

Abstract Background Chemoresistance is one of the main obstacles to successful cancer therapy and is frequently associated with Multidrug resistance (MDR). Many different mechanisms have been...

Time-Reversal Symmetry Breaking and Spontaneous Anomalous Hall Effect in Fermi Fluids (2008)

Sun, Kai, Fradkin, Eduardo

We study the spontaneous non-magnetic time-reversal symmetry breaking in a two-dimensional Fermi liquid without breaking either the translation symmetry or the U(1) charge symmetry. Assuming that the...

Fluctuating Stripes in Strongly Correlated Electron Systems and the Nematic-Smectic Quantum Phase Transition (2008)

Sun, Kai, Fregoso, Benjamin M., Lawler, Michael J., Fradkin, Eduardo

We discuss the quantum phase transition between a quantum nematic metallic state to an electron metallic smectic state in terms of an order-parameter theory coupled to fermionic quasiparticles. Both...

power (2008)

Kai Sun, Quming Zhou, Kartik Mohanram, Danny C. Sorensen

domain decomposition simulation for large-scale

Media effect on CdTe nanowire growth: Mechanism of self-assembly, Ostwald ripening, and control of NW geometry (2008)

Lilly, G. Daniel, Lee, Jaebeom, Sun, Kai, Tang, Zhiyong, Kim, Ki-Sub, Kotov, Nicholas A.

The spontaneous self-assembly of II-IV stabilizer depleted nanoparticles (NPs) into nanowires (NWs) is a complex process that is only partially understood. This paper examines the mechanism governing...

Coverage of the National Vitamin A Supplementation Program in Ethiopia (2008)

Semba, Richard D., De Pee, Saskia, Sun, Kai, Bloem, Martin W., Raju, V. K.

Periodic vitamin A supplementation is a major intervention to reduce morbidity, mortality, and blindness among children in developing countries. The goal was to characterize the coverage of the...

Photoinduced electrooptics in the In2O3 nanocrystals incorporated into PMMA matrixes (2007)

Kityk, I V, Ebothe, J, Tkaczyk, S, Miedzinski, R, Nzoghe-Mendome, L, He, Jibao, ...

We have observed an appearance of clear morphological structure in composites containing In2O3 nanocrystals (NCs) incorporated into polymethyl methacrylite (PMMA) matrices under optical treatment by...

Fermi liquid instabilities in the spin channel (2006)

Wu, Congjun, Sun, Kai, Fradkin, Eduardo, Zhang, Shou-Cheng

We study the Fermi surface instabilities of the Pomeranchuk type in the spin triplet channel with high orbital partial waves ($F_{l}^a ~(l>0)$). The ordered phases are classified into two classes,...

Synthesis, characterization, and manipulation of dendrimer-stabilized iron sulfide nanoparticles (2006)

Shi, Xiangyang, Sun, Kai, Balogh, Lajos P, Baker, James R Jr

FeS nanoparticles (NPs) were synthesized using ethylenediamine core poly(amidoamine) (PAMAM) dendrimers of generation 4 terminated with amino (G4·NH2), hydroxyl (G4·NGlyOH), and carboxyl (G4·SAH)...

Characterization of crystalline dendrimer-stabilized gold nanoparticles (2006)

Shi, Xiangyang, Ganser, T Rose, Sun, Kai, Balogh, Lajos P, Baker, James R Jr

Monodispersed, highly crystalline dendrimer-stabilized gold nanoparticles (Au DSNPs) were synthesized via hydrazine reduction chemistry and stabilized using primary amine-terminated poly(amidoamine)...

SARS coronavirus nucleocapsid immunodominant T-cell epitope cluster is common to both exogenous recombinant and endogenous DNA-encoded immunogens (2006)

Gupta, Vandana, Tabiin, Tani M., Sun, Kai, Chandrasekaran, Ananth, Anwar, Azlinda, Yang, Kun, ...

Correspondence between the T-cell epitope responses of vaccine immunogens and those of pathogen antigens is critical to vaccine efficacy. In the present study, we analyzed the spectrum of immune...

Spatial domain decomposition and model reduction for parabolic optimal control problems (2006)

Sun, Kai, Sun, Kai

In this thesis, we propose a spatial domain decomposition method and model reduction techniques for the solution of linear-quadratic parabolic optimal control problems. Such problems arise directly...

SARS coronavirus nucleocapsid immunodominant T-cell epitope cluster is common to both exogenous recombinant and endogenous DNA-encoded immunogens (2006)

Gupta, Vandana, Tabiin, Tani M., Sun, Kai, Chandrasekaran, Ananth, Anwar, Azlinda, Yang, Kun, ...

Correspondence between the T-cell epitope responses of vaccine immunogens and those of pathogen antigens is critical to vaccine efficacy. In the present study, we analyzed the spectrum of immune...

Labeling Cells with Silver/Dendrimer Nanocomposites (2005)

Lesniak, Wojciech, Shi, Xiangyang, Bielinska, Anna, Janczak, Katarzyna, Sun, Kai, ...

We have developed water-soluble, biocompatible, fluorescent, and photostable silver/dendrimer nanocomposites that have a potential to be used for in vitro cell labeling. A PAMAM_E5.NH2 dendrimer was...

An efficient bandwidth reservation scheme for VBR video streaming over the Internet / (2004)

Sun, Kai.

Thesis (Ph. D.), Dept. of Electronic Systems Engineering -- University of Essex, 2004.

Genome-wide linkage reveals a locus for human essential (primary) hypertension on chromosome 12p (2003)

Gong, Maolian, Zhang, Hongye, Schulz, Herbert, Lee, Young-Ae, Sun, Kai, Bähring, Sylvia, ...

Essential (primary) hypertension is an important risk factor for cardiovascular morbidity and mortality. Blood pressure is largely heritable; however, the genetic factors contributing to essential...

Two-phase flow of gas bubble suspensions in polymer liquids /--by Kai Sun. (1982)

Sun, Kai.

Thesis (Ph. D.)--Michigan State University. Dept. of Chemical Engineering, 1982.

Two-phase flow of gas bubble suspensions in polymer liquids [microform] / (1982)

Sun, Kai.

Thesis (Ph. D.)--Michigan State University. Dept. of Chemical Engineering, 1982.

Inhibition of acute graft-versus-host disease with retention of graft-versus-tumor effects by the proteasome inhibitor bortezomib

Sun, Kai, Welniak, Lisbeth A., Panoskaltsis-Mortari, Angela, O'Shaughnessy, Matthew J., Liu, Haiyan, Barao, Isabel, ...

Graft-versus-host disease (GVHD) represents a major hurdle impeding the efficacy of allogeneic bone marrow transplantation (BMT). Bortezomib is a proteasome inhibitor that was recently approved for...

Suppression of natural killer cell-mediated bone marrow cell rejection by CD4+CD25+ regulatory T cells

Barao, Isabel, Hanash, Alan M., Hallett, William, Welniak, Lisbeth A., Sun, Kai, Redelman, Doug, ...

Naturally occurring CD4+CD25+ T regulatory (Treg) cells have been shown to inhibit adaptive responses by T cells. Natural killer (NK) cells represent an important component of innate immunity in both...

Inhibition of acute graft-versus-host disease with retention of graft-versus-tumor effects by the proteasome inhibitor bortezomib

Sun, Kai, Welniak, Lisbeth A., Panoskaltsis-Mortari, Angela, O'Shaughnessy, Matthew J., Liu, Haiyan, Barao, Isabel, ...

Graft-versus-host disease (GVHD) represents a major hurdle impeding the efficacy of allogeneic bone marrow transplantation (BMT). Bortezomib is a proteasome inhibitor that was recently approved for...

Suppression of natural killer cell-mediated bone marrow cell rejection by CD4+CD25+ regulatory T cells

Barao, Isabel, Hanash, Alan M., Hallett, William, Welniak, Lisbeth A., Sun, Kai, Redelman, Doug, ...

Naturally occurring CD4+CD25+ T regulatory (Treg) cells have been shown to inhibit adaptive responses by T cells. Natural killer (NK) cells represent an important component of innate immunity in both...

Differential effects of proteasome inhibition by bortezomib on murine acute graft-versus-host disease (GVHD): delayed administration of bortezomib results in increased GVHD-dependent gastrointestinal toxicity

Sun, Kai, Wilkins, Danice E. C., Anver, Miriam R., Sayers, Thomas J., Panoskaltsis-Mortari, Angela, Blazar, Bruce R., ...

We have recently demonstrated that the proteasome inhibitor, bortezomib, administered immediately following murine allogeneic bone marrow transplantation (BMT) resulted in marked inhibition of acute...

Peyer patches are not required for acute graft-versus-host disease after myeloablative conditioning and murine allogeneic bone marrow transplantation

Welniak, Lisbeth A., Kuprash, Dmitry V., Tumanov, Alexei V., Panoskaltsis-Mortari, Angela, Blazar, Bruce R., Sun, Kai, ...

Graft-versus-host disease (GVHD) is a multistep disease process following allogeneic bone marrow transplantation (BMT). It has been postulated that the induction of acute GVHD requires the presence...

Multivariate Exponential Distributions with Constant Failure Rates,

Basu, Asit P., Sun, Kai

In this paper a multivariate failure rate representation based on Cox's conditional failure rate is introduced, characterizations of the Freund-Block and the Marshall-Olkin multivariate exponential...

A characterization of a bivariate geometric distribution

Sun, Kai, Basu, Asit P.

In this paper a characterization of a bivariate geometric distribution is obtained. The results are based on the discrete analogue of Cox's conditional failure rate.

Effect of notoginsenoside R1 on hepatic microcirculation disturbance induced by gut ischemia and reperfusion

Chen, Wei-Xing, Wang, Fang, Liu, Yu-Ying, Zeng, Qing-Jiang, Sun, Kai, Xue, Xin, ...

AIM: To assess the effect of notoginsenoside R1 on hepatic microcirculatory disturbance induced by gut ischemia/reperfusion (I/R) in mice.

Differential effects of donor T-cell cytokines on outcome with continuous bortezomib administration after allogeneic bone marrow transplantation

Sun, Kai, Li, Minghui, Sayers, Thomas J., Welniak, Lisbeth A., Murphy, William J.

Dissociating graft-versus-tumor (GVT) effect from acute graft-versus-host disease (GVHD) still remains a great challenge in allogeneic bone marrow transplantation (allo-BMT). Bortezomib, a proteasome...

CHARACTERIZATION OF PRUSSIAN BLUE NANOPARTICLES PREPARED BY REVERSE MICELLE AND ELECTROCHEMICAL STUDY OF THEIR ASSEMBLY

JINGXIA QIU, JIWEI LIU, KAI SUN, YUQING MIAO

Well-dispersed Prussian blue (PB) nanoparticles were successfully prepared by reverse micelle. This method is based on one-step rapid formation in different sizes of nano-pool with water/oil system,...