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Mechanical Properties of NiTi-Based Foam with High Porosity for Implant Applications

In order to better understand NiTi-based shape memory alloy foams for implant applications, Ni40Ti50Cu10 foams were heat treated and then deformed under incremental and cyclic compression loading. After heat treatment, the microstructure consists of a (Ni,Cu)Ti matrix with small (Ni,Cu)4Ti3 precipitates and a large Ti2(Ni,Cu) secondary phase. The heat-treated Ni40Ti50Cu10 foam...

Framework of mechanical symmetry breaking theory and its application to innovative design

0 Li-xin LI 0 0 (State Key Lab of CAD&CG, Zhejiang University , Hangzhou 310027 , China) 1 Project supported by the National Natural Science Foundation of China (No. 51175455) ORCID: Qing-ying QIU

High Strain Rate Compression of Martensitic NiTi Shape Memory Alloys

The compressive response of martensitic NiTi shape memory alloys (SMAs) under high strain rate (1200 s−1) was investigated on a modified Kolsky (Split Hopkinson) compression bar. The single-loading momentum trapping system ensures precise deformation control (1.4, 1.8, 3.0, 4.8, and 9.6 % strain) and single loading during dynamic compression. With increasing strain, the phase...

A system dynamics model for simulating the logistics demand dynamics of metropolitans: A case study of Beijing, China

Journal of Industrial Engineering and Management JIEM 2013-0953 A System Dynamics Model for Simulating the Logistics Demand Dynamics of Metropolitans: A Case Study of Beijing, China Ying Qiu 1

Influence of Dynamic Compression on Phase Transformation of Martensitic NiTi Shape Memory Alloys

Shape memory alloys (SMAs) exhibit high damping capacity in both austenitic and martensitic phases, due to either a stress-induced martensite phase transformation or a stress-induced martensite variant reorientation, making them ideal candidates for vibration suppression devices to protect structural components from damage due to external forces. In this study, both quasi-static...

Effects of Porphyromonas gingivalis LipopolysaccharideTolerized Monocytes on Inflammatory Responses in Neutrophils

Periodontitis is a chronic inflammatory disease induced by bacteria. Exposure of the host to periodontal pathogens and their virulence factors induces a state of hyporesponsiveness to subsequent stimulations, which is termed endotoxin tolerance. The role and mechanism of lipopolysaccharide (LPS)–tolerized monocytes in inflammatory responses in neutrophils are currently unclear...

The Expression Patterns of c-Fos and c-Jun Induced by Different Frequencies of Electroacupuncture in the Brain

-Ying Qiu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the

Hybrid boron nitride-natural fiber composites for enhanced thermal conductivity

Research journals • PubMed • Google ScholarSearch for Sheldon Q. Shi in:Nature Research journals • PubMed • Google ScholarSearch for Ying Qiu in:Nature Research journals • PubMed • Google ScholarSearch for

P2Y2 Receptor and EGFR Cooperate to Promote Prostate Cancer Cell Invasion via ERK1/2 Pathway

As one member of G protein-coupled P2Y receptors, P2Y2 receptor can be equally activated by extracellular ATP and UTP. Our previous studies have proved that activation of P2Y2 receptor by extracellular ATP could promote prostate cancer cell invasion and metastasis in vitro and in vivo via regulating the expressions of some epithelial-mesenchymal transition/invasion-related genes...

Effects of Electroacupuncture at Governor Vessel Acupoints on Neurotrophin-3 in Rats with Experimental Spinal Cord Injury

Xiao-chen Yuan 4 Ying-qiu Mao 5 Quan-kai Jing 1 Su-hua Shi 6 Zhi-gang Li 1 Ke-Lun Wang 0 Department of Rehabilitation, The Third People's Hospital of Shenzhen , No. 29 Bulan Road, Longgang District ... , Wei Lv, and Hong-tao Song were in charge of model establishment and sample collection. The Nissl staining, TUNEL, and Western blotting were performed by Ying-qiu Mao and Xiaochen Yuan, respectively

P2X7 Mediates ATP-Driven Invasiveness in Prostate Cancer Cells

The ATP-gated P2X7 has been shown to play an important role in invasiveness and metastasis of some tumors. However, the possible links and underlying mechanisms between P2X7 and prostate cancer have not been elucidated. Here, we demonstrated that P2X7 was highly expressed in some prostate cancer cells. Down-regulation of P2X7 by siRNA significantly attenuated ATP- or BzATP-driven...

Silenced suppressor of cytokine signaling 1 (SOCS1) enhances the maturation and antifungal immunity of dendritic cells in response to Candida albicans in vitro

Dendritic cells (DCs) are known to play an important role in initiating and orchestrating antimicrobial immunity. Given the fact that candidiasis appears often in immunocompromised patients, it seems plausible that DCs hold the key to new antifungal strategies. One possibility to enhance the potency of DC-based immunotherapy is to silence the negative immunoregulatory pathways...

Ancient DNA Reveals That the Genetic Structure of the Northern Han Chinese Was Shaped Prior to 3,000 Years Ago

The Han Chinese are the largest ethnic group in the world, and their origins, development, and expansion are complex. Many genetic studies have shown that Han Chinese can be divided into two distinct groups: northern Han Chinese and southern Han Chinese. The genetic history of the southern Han Chinese has been well studied. However, the genetic history of the northern Han Chinese...

Initial Sulfonylurea Use and Subsequent Insulin Therapy in Older Subjects with Type 2 Diabetes Mellitus

Background In type 2 diabetes mellitus (T2DM), progressive loss of beta cell function over time requires treatment intensification and eventually initiation of insulin for many patients. Relative to metformin, a greater rate of decline in beta cell function over time has been observed with sulfonylurea treatment. The present study examined the association between initial...

Non-neuronal and neuronal BACE1 elevation in association with angiopathic and leptomeningeal β-amyloid deposition in the human brain

Background Cerebral amyloid angiopathy (CAA) refers to the deposition of β-amyloid (Aβ) peptides in the wall of brain vasculature, commonly involving capillaries and arterioles. Also being considered a part of CAA is the Aβ deposition in leptomeninge. The cellular origin of angiopathic Aβ and the pathogenic course of CAA remain incompletely understood. Methods The present study...

Effects of Electroacupuncture of Different Frequencies on the Release Profile of Endogenous Opioid Peptides in the Central Nerve System of Goats

, Zheng-Ying Qiu, and Qiong Wang College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China Received 25 July 2012; Revised 11 September 2012; Accepted 15 September 2012

CHIP/Stub1 functions as a tumor suppressor and represses NF-κB-mediated signaling in colorectal cancer

The carboxyl terminus of Hsc70-interacting protein (CHIP, also named Stub1), a U-box containing E3 ubiquitin ligase, is involved in degradation of certain oncogenic proteins. Recent studies indicated that CHIP suppresses tumor progression in human cancers by targeting Src-3, hypoxia inducible factor 1α, NF-κB, ErbB2 and c-Myc. Here, we report that CHIP was downregulated...

GO for gene documents

Background Annotating genes and their products with Gene Ontology codes is an important area of research. One approach is to use the information available about these genes in the biomedical literature. The goal in this paper, based on this approach, is to develop automatic annotation methods that can supplement the expensive manual annotation processes currently in place...

The seahorse genome and the evolution of its specialized morphology

in:Nature Research journals • PubMed • Google ScholarSearch for Chi Zhang in:Nature Research journals • PubMed • Google ScholarSearch for Ying Qiu in:Nature Research journals • PubMed • Google ScholarSearch

Health Care and Productivity Costs Associated With Diabetic Patients With Macrovascular Comorbid Conditions

ALEX Z. FU PHD YING QIU PHD LARRY RADICAN PHD BRIAN J. WELLS MS E p i d e m i o l o g y / H e a l t h OBJECTIVE - To examine and quantify from the societal perspective the impact of macrovascular