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51 papers found.
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Theoretical and experimental study of dual-fiber laser ablation for prostate cancer

editing. Author Contributions Conceptualization: Xing Wu, Aili Zhang, Bing Hu. Funding acquisition: Bing Hu. Investigation: Xing Wu, Kangwei Zhang, Yini Chen, Ren Wang, Lei Chen. Methodology: Xing Wu ... , Kangwei Zhang, Yini Chen, Ren Wang, Lei Chen. 12 / 13 Validation: Aili Zhang, Bing Hu. Writing – original draft: Xing Wu, Kangwei Zhang. Writing – review & editing: Aili Zhang, Bing Hu. 1. Lee T

Hybrid Optimal Kinematic Parameter Identification for an Industrial Robot Based on BPNN-PSO

A novel hybrid algorithm that employs BP neural network (BPNN) and particle swarm optimization (PSO) algorithm is proposed for the kinematic parameter identification of industrial robots with an enhanced convergence response. The error model of the industrial robot is established based on a modified Denavit-Hartenberg method and Jacobian matrix. Then, the kinematic parameter...

Global well-posedness of the 3D incompressible porous media equation with critical dissipation in Triebel-Lizorkin spaces

In this paper, we study the global well-posedness of the 3D incompressible critical dissipative porous media equation with small initial data in the Triebel-Lizorkin space F p , q s ( R 3 ) . By a pointwise exponential decay estimate on the Poisson semigroup e − t ν − Δ and the Fourier localization technique, we generalize the global well-posedness in the Sobolev spaces H p s ( R...

A magnetic regularity criterion for the 2D MHD equations with velocity dissipation

In this paper we consider an initial value problem of the 2D MHD equations with velocity dissipation and without magnetic diffusion. We establish a new magnetic regularity criterion in terms of the magnetic field. In contrast to the magnetic regularity criterion ∇ b ∈ L 1 ( 0 , T ; B M O ( R 2 ) ) , our regularity criterion ∫ 0 T ( ∥ b ⊗ b ( s ) ∥ B ∞ , 1 0 ( R 2 ) + ∥ b ⊗ b ( s...

Notes on holographic Schwinger effect

We use the method of evaluating the decay rate in terms of the imaginary part of a probe brane action to study the holographic Schwinger effect. In the confining D3-branes case, we find that the Schwinger effect occurs at energy scales higher than the Kaluza-Klein mass, indicating the absence of such effect when the dual gauge field theory can be regarded as an 2+1 dimensional...

Prognostic significance of stem cell marker CD133 determined by promoter methylation but not by immunohistochemical expression in malignant gliomas

CD133 has played a pivotal role in the identification and isolation of brain tumor stem cells. The correlation between CD133 expression in tumor tissues with patients survival is still controversial. CD133 expression is determinated by methylation status of the promoter region 1–3. Aberrant methylation of CD133 was observed in glioblastoma. To date, a direct link between CD133...

Predictive Value of MiR-219-1, MiR-938, MiR-34b/c, and MiR-218 Polymorphisms for Gastric Cancer Susceptibility and Prognosis

Gastric cancer (GC) is one of the most prominent global cancer-related health threats. Genes play a key role in the precise mechanisms of gastric cancer. SNPs in mi-RNAs could affect mRNA expression and then affect the risk and prognosis of GC. Firstly, we have decided to perform a case-control study which included 897 GC patients and 992 controls to evaluate the association of...

RhoA/rock signaling mediates peroxynitrite-induced functional impairment of Rat coronary vessels

Background Diabetes-induced vascular dysfunction may arise from reduced nitric oxide (NO) availability, following interaction with superoxide to form peroxynitrite. Peroxynitrite can induce formation of 3-nitrotyrosine-modified proteins. RhoA/ROCK signaling is also involved in diabetes-induced vascular dysfunction. The study aimed to investigate possible links between Rho/ROCK...

Graphene and Other 2D Material Components Dynamic Characterization and Nanofabrication at Atomic Scale

We demonstrate how abreaction corrected transmission electron microscopy (TEM) analysis techniques that are commonly used in nanostructure characterization can be used to study the morphology of graphene and other 2D materials at atomic scale, even subangstrom scale, and evolution of nanostructure and from which we determine the graphene components nanofabrication process. The...

Graphene and Other 2D Material Components Dynamic Characterization and Nanofabrication at Atomic Scale

We demonstrate how abreaction corrected transmission electron microscopy (TEM) analysis techniques that are commonly used in nanostructure characterization can be used to study the morphology of graphene and other 2D materials at atomic scale, even subangstrom scale, and evolution of nanostructure and from which we determine the graphene components nanofabrication process. The...

Human genome-wide RNAi screen reveals host factors required for enterovirus 71 replication

Microbiology and Immunology, National University of Singapore, Singapore 117597, SingaporeKan Xing Wu, Patchara Phuektes, Vincent Tak Kwong Chow & Justin Jang Hann ChuInstitute of Molecular and Cell Biology ... , Agency for Science, Technology and Research (A*STAR), Singapore 138673, SingaporePankaj Kumar, Germaine Yen Lin Goh, Dimitri Moreau, Frederic Bard & Justin Jang Hann Chu AuthorsSearch for Kan Xing Wu

Polymorphisms of the DNA Methyltransferase 1 Gene Predict Survival of Gastric Cancer Patients Receiving Tumorectomy

declare that there are no competing interests regarding the publication of this paper. Authors’ Contributions Zhifang Jia and Xing Wu contributed equally to this study and were listed as co-first authors

Steroid for epidural injection in spinal stenosis: a systematic review and meta-analysis

Steroid for epidural injection in spinal stenosis: a systematic review and meta-analysis Kuan Liu,* Pengcheng Liu,* Run Liu, Xing Wu, Ming Cai Department of Orthopaedics, Shanghai Tenth People’s

A Method Based on Active Appearance Model and Gradient Orientation Pyramid of Face Verification as People Age

Face verification in the presence of age progression is an important problem that has not been widely addressed. In this paper, we propose to use the active appearance model (AAM) and gradient orientation pyramid (GOP) feature representation for this problem. First, we use the AAM on the dataset and generate the AAM images; we then get the representation of gradient orientation...

Short-Fragment DNA Residue from Vaccine Purification Processes Promotes Immune Response to the New Inactivated EV71 Vaccine by Upregulating TLR9 mRNA

To reduce potential oncogenic long genomic DNA in vaccines, nuclease treatment has been applied in the purification processes. However, this action increased the residue of short-fragment DNA and its effect on vaccine potency was still elusive. In this study, we found residual sf-DNA in an inactivated EV71 vaccine could enhance humoral immune response in mice. Ag stimulation in...

Recombinant Escherichia coli Strains with Inducible Campylobacter jejuni Single Domain Hemoglobin CHb Expression Exhibited Improved Cell Growth in Bioreactor Culture

Maintaining an appropriate concentration of dissolved oxygen in aqueous solution is critical for efficient operation of a bioreactor, requiring sophisticated engineering design and a system of regulation to maximize oxygen transfer from the injected air bubbles to the cells. Bacterial hemoglobins are oxygen-binding proteins that transfer oxygen from the environment to metabolic...

The impact of COX-2 on invasion of osteosarcoma cell and its mechanism of regulation

Background Recently, cyclooxygenase-2 (COX-2) has become an important new target in the field of tumor metastasis. However, the relationship between COX-2 gene expression and the behavior of osteosarcoma metastasis is largely unknown. The study is to investigate how antisense oligonucleotides (ODNs) of COX-2 inhibit the invasion of human osteosarcoma cell line OS-732 and their...

Polymorphism of DNA Methyltransferase 3b and Association with Development and Prognosis in Gastric Cancer

Objective DNA methyltransferase 3b (DNMT3b) plays an important role in abnormal methylation during tumorigenesis. Polymorphism of the DNMT3b gene may influence DNMT3b activity and be associated with cancer risk. This study aimed to investigate the association between single nucleotide polymorphisms (SNPs) of the DNMT3b gene and susceptibility and prognosis of gastric cancer...