Search results for: Rui Dong

Items from 1 to 20 out of 304 results

article

Copper‐Catalyzed Asymmetric Annulation Reactions of Carbenes with 2‐Iminyl‐ or 2‐Acyl‐Substituted Phenols: Convenient Access to Enantioenriched 2,3‐Dihydrobenzofurans

Xin‐Shen Liang, Rui‐Dong Li, Xiao‐Chen Wang

Angewandte Chemie > 131 > 39 > 14023 - 14027

We have developed a method for the highly diastereo‐ and enantioselective construction of 2,3‐dihydrobenzofurans bearing tetrasubstituted carbon stereocenters by means of annulation reactions between carbenes and 2‐iminyl‐ or 2‐acyl‐substituted phenols through catalysis by readily accessible copper(I)/bisoxazoline catalysts under mild conditions. These reactions feature a unique mechanism in which...

article

Copper‐Catalyzed Asymmetric Annulation Reactions of Carbenes with 2‐Iminyl‐ or 2‐Acyl‐Substituted Phenols: Convenient Access to Enantioenriched 2,3‐Dihydrobenzofurans

Xin‐Shen Liang, Rui‐Dong Li, Xiao‐Chen Wang

Angewandte Chemie International Edition > 58 > 39 > 13885 - 13889

article

Web construction of ABCDEFG and affine quiver gauge theories

Taro Kimura, Rui-Dong Zhu

Journal of High Energy Physics > 2019 > 2019 > 9 > 1-58

Abstract The topological vertex formalism for 5d N $$ \mathcal{N} $$ = 1 gauge theories is not only a convenient tool to compute the instanton partition function of these theories, but it is also accompanied by a nice algebraic structure that reveals various kinds of nice properties such as dualities and integrability of the underlying theories. The usual refined topological vertex ormalism...

article

Genome‐wide microRNA screening reveals miR‐582‐5p as a mesenchymal stem cell‐specific microRNA in subchondral bone of the human knee joint

Pinger Wang, Rui Dong, Baoli Wang, Zhaohuan Lou, more

Journal of Cellular Physiology > 234 > 12 > 21877 - 21888

Emerging evidence suggests that microRNAs (miRNAs) may be pathologically involved in osteoarthritis (OA). Subchondral bone (SCB) sclerosis is accounted for the knee osteoarthritis (KOA) development and progression. In this study, we aimed to screen the miRNA biomarkers of KOA and investigated whether these miRNAs regulate the differentiation potential of mesenchymal stem cells (MSCs) and thus contributing...

article

A novel SiO₂–GO/acrylic resin nanocomposite: fabrication, characterization and properties

Rui Dong, Luming Wang, Jichao Zhu, Lili Liu, more

Applied Physics A > 2019 > 125 > 8 > 1-11

The nanohybrids of silicon dioxide–graphene oxide (SiO₂–GO) were prepared by surface modification of graphene oxide (GO) by the hydrolysis of the tetraethoxysilane (TEOS) and then the SiO₂–GO was added into acrylic resin as reinforcement to prepare acrylic nanocomposites. The structure of SiO₂–GO was characterized by XRD, FT-IR, Raman and the morphology and dispersion study of SiO₂–GO were observed...

article

Activation of β‐catenin in Col2‐expressing chondrocytes leads to osteoarthritis‐like defects in hip joint

Chenjie Xia, Pinger Wang, Liang Fang, Qinwen Ge, more

Journal of Cellular Physiology > 234 > 10 > 18535 - 18543

Although osteoarthritis (OA) in the hip joint is a common and debilitating degenerative disease, the precise molecular mechanisms underlying its pathological process remains unclear. This study sets out to investigate whether β‐catenin plays a critical role in hip OA pathogenesis. Here, we showed overexpressed β‐catenin protein in human OA cartilage tissues. Then, we analyzed β‐cat(ex3)^Col2ER mice,...

article

Correlation between hepatic oxidative damage and clinical severity and mitochondrial gene sequencing results in biliary atresia

Junfeng Wang, Jiayin Xu, Mingyang Xia, Yifan Yang, more

Hepatology Research > 49 > 6 > 695 - 704

Aim To assess the level of hepatic oxidative damage and its correlation with clinical severity in biliary atresia (BA), and to understand BA mitochondrial gene sequencing. Methods Forty‐eight BA patients and 28 control subjects (20 hepatoblastoma and 8 cholestasis patients) were enrolled. Hepatic oxidative damage was assessed by the expression of oxidation and antioxidant genes, and the correlation...

article

Alkaline pressure oxidative leaching of bismuth-rich and arsenic-rich lead anode slime

Yun-long He, Rui-dong Xu, Shi-wei He, Han-sen Chen, more

International Journal of Minerals, Metallurgy, and Materials > 2019 > 26 > 6 > 689-700

A new alkaline pressure oxidative leaching process (with NaNO₃ as the oxidant and NaOH as the alkaline reagent) is proposed herein to remove arsenic, antimony, and lead from bismuth-rich and arsenic-rich lead anode slime for bismuth, gold, and silver enrichment. The effects of the temperature, liquid-to-solid ratio, leaching time, and reagent concentration on the leaching ratios of arsenic, antimony,...

article

Effect of genotype and environment on agronomical characters of common vetch (Vicia sativa L.)

Rui Dong, Shu H. Shen, Mohamed Z. Z. Jahufer, De K. Dong, more

Genetic Resources and Crop Evolution > 2019 > 66 > 7 > 1587-1599

Common vetch (Vicia sativa L.) is an important legume which is widely distributed around the world and an excellent forage and green manure crop, which could provide hay for pastoral areas in northwestern China, where feed is scarce during winter and early spring. However, there is currently limited information on genetic variation for some agronomic traits of common vetch, such as shattering rate,...

article

A comparison of effects of scalp nerve block and local anesthetic infiltration on inflammatory response, hemodynamic response, and postoperative pain in patients undergoing craniotomy for cerebral aneurysms: a randomized controlled trial

Xi Yang, Jing Ma, Ke Li, Lei Chen, more

BMC Anesthesiology > 2019 > 19 > 1 > 1-11

Background The purpose of this study was to compare the effects of scalp nerve block (SNB) and local anesthetic infiltration (LA) with 0.75% ropivacaine on postoperative inflammatory response, intraoperative hemodynamic response, and postoperative pain control in patients undergoing craniotomy. Methods Fifty-seven patients were admitted for elective craniotomy for surgical clipping of a cerebral...

article

Nanoparticles: Oral Delivery for Protein and Peptide Drugs

Shu-jun Cao, Shuo Xu, Hui-ming Wang, Yong Ling, more

AAPS PharmSciTech > 2019 > 20 > 5 > 1-11

Protein and peptide drugs have many advantages, such as high bioactivity and specificity, strong solubility, and low toxicity. Therefore, the strategies for improving the bioavailability of protein peptides are reviewed, including chemical modification of nanocarriers, absorption enhancers, and mucous adhesion systems. The status, advantages, and disadvantages of various strategies are systematically...

article

Improved LMI-based stability conditions for a competitive Lotka–Volterra system with time-varying delays

Rui Dong, Lei Chen, Yonggang Chen

Journal of Inequalities and Applications > 2019 > 2019 > 1 > 1-15

This paper is concerned with the local asymptotic stability problem for a competitive Lotka–Volterra system with time-varying delays. By constructing the novel augmented Lyapunov–Krasovskii functionals and using the Wirtinger integral inequality, some alternative stability criteria are obtained by means of linear matrix inequalities. In particular, our constructed functionals contain some cross terms...

article

On the correspondence between surface operators in Argyres-Douglas theories and modules of chiral algebra

Takahiro Nishinaka, Shinya Sasa, Rui-Dong Zhu

Journal of High Energy Physics > 2019 > 2019 > 3 > 1-29

Abstract We compute the Schur index of Argyres-Douglas theories of type (A_{N −1},A_{M −1}) with surface operators inserted, via the Higgsing prescription proposed by D. Gaiotto, L. Rastelli and S.S. Razamat. These surface operators are obtained by turning on position-dependent vacuum expectation values of operators in a UV theory which can flow to the Argyres-Douglas theories. We focus on two series of...

article

Third generation of vortex identification methods: Omega and Liutex/Rortex based systems

Chaoqun Liu, Yi-sheng Gao, Xiang-rui Dong, Yi-qian Wang, more

Journal of Hydrodynamics > 2019 > 31 > 2 > 205-223

A vortex is intuitively recognized as the rotational/swirling motion of fluids, but a rigorous and universally-accepted definition is still not available. Vorticity tube/filament has been regarded equivalent to a vortex since Helmholtz proposed the concepts of vorticity tube/filament in 1858 and the vorticity-based methods can be categorized as the first generation of vortex identification methods...

article

Genetic Disruption of Anoctamin 5 in Mice Replicates Human Gnathodiaphyseal Dysplasia (GDD)

Xiaoyu Wang, Xiu Liu, Rui Dong, Chao Liang, more

Calcified Tissue International > 2019 > 104 > 6 > 679-689

Gnathodiaphyseal dysplasia (GDD; OMIM#166260) is a rare skeletal disorder which is mainly characterized by cemento-osseous lesions in mandibles, bone fragility, bowing and diaphyseal sclerosis of tubular bones. GDD is caused by point mutations in Anoctamin-5 (ANO5); however, the disease mechanisms remain unclear. Here we generated Ano5-knockout (KO) mice using a CRISPR/Cas 9 approach to study loss...

article

AP2a enhanced the osteogenic differentiation of mesenchymal stem cells by inhibiting the formation of YAP/RUNX2 complex and BARX1 transcription

Xiao Lin, Haoqing Yang, Lijun Wang, Wenzhi Li, more

Cell Proliferation > 52 > 1 > n/a - n/a

Objectives Bone regeneration by bone tissue engineering is a therapeutic option for bone defects. Improving the osteogenic differentiation of mesenchymal stem cells (MSCs) is essential for successful bone regeneration. We previously showed that AP2a enhances the osteogenic differentiation in MSCs. The present study investigated the mechanism of how AP2a regulates the direct differentiation. Materials...

article

Hydraulics and swimming behavior of schizothorax prenanti in vertical slot fishways

Rui-dong An, Jia Li, Wen-mmin Yi, Xi Mao

Journal of Hydrodynamics > 2019 > 31 > 1 > 169-176

This paper presents a novel experiment for the correlation between the hydraulics and the swimming behavior of Schizothorax prenanti, a rare species of fish in southwest China, in passing a vertical slot fishway. With an acoustic Doppler velocimeter, the velocities of a physical model in the equidimension fishway in the Shaping II power station are measured. The hydraulic parameters include the hydraulic...

article

LncRNA AK077216 promotes RANKL‐induced osteoclastogenesis and bone resorption via NFATc1 by inhibition of NIP45

Chuan Liu, Zhen Cao, Yun Bai, Ce Dou, more

Journal of Cellular Physiology > 234 > 2 > 1606 - 1617

Osteoclasts derived from the monocyte/macrophage hematopoietic lineage regulate bone resorption, a process balanced by bone formation in the continual renewal of the skeletal system. As dysfunctions of these cells result in bone metabolic diseases such as osteoporosis and osteopetrosis, the exploration of the mechanisms regulating their differentiation is a priority. A potential mechanism may involve...

article

Numerical and experimental study of continuous and discontinuous turbidity currents on a flat slope

Zhong-luan Yan, Rui-dong An, Jia Li, Yun Deng, more

Journal of Hydrodynamics > 2018 > 30 > 6 > 1083-1092

When the sediment and the dissolved matter laden in the river meet a clear water in reservoirs, the turbid water will plunge and spread into the clear water, forming the turbidity current and influencing the water quality and the life of the reservoir. Due to the unsteady nature of the flood, the turbidity current is unsteady. In the present study, we use the MIKE 3 computational fluid dynamics code...

article

Safety and efficacy of applying sufficient analgesia combined with a minimal sedation program as an early antihypertensive treatment for spontaneous intracerebral hemorrhage: a randomized controlled trial

Rui Dong, Fen Li, Ying Xu, Pingyan Chen, more

Trials > 2018 > 19 > 1 > 1-10

Background Spontaneous intracerebral hemorrhage (ICH) is a serious threat to human health. Although early blood pressure (BP) elevation is closely associated with a poor prognosis, the optimal antihypertensive regimen for acute-phase ICH remains controversial. In ICH, pain, sleep deprivation, and stress are usually the main causes of dramatic BP increases. While traditional antihypertensive treatment...

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INFONA - science communication portal

Search results for: Rui Dong

Copper‐Catalyzed Asymmetric Annulation Reactions of Carbenes with 2‐Iminyl‐ or 2‐Acyl‐Substituted Phenols: Convenient Access to Enantioenriched 2,3‐Dihydrobenzofurans

Copper‐Catalyzed Asymmetric Annulation Reactions of Carbenes with 2‐Iminyl‐ or 2‐Acyl‐Substituted Phenols: Convenient Access to Enantioenriched 2,3‐Dihydrobenzofurans

Web construction of ABCDEFG and affine quiver gauge theories

Genome‐wide microRNA screening reveals miR‐582‐5p as a mesenchymal stem cell‐specific microRNA in subchondral bone of the human knee joint

A novel SiO₂–GO/acrylic resin nanocomposite: fabrication, characterization and properties

Activation of β‐catenin in Col2‐expressing chondrocytes leads to osteoarthritis‐like defects in hip joint

Correlation between hepatic oxidative damage and clinical severity and mitochondrial gene sequencing results in biliary atresia

Alkaline pressure oxidative leaching of bismuth-rich and arsenic-rich lead anode slime

Effect of genotype and environment on agronomical characters of common vetch (Vicia sativa L.)

A comparison of effects of scalp nerve block and local anesthetic infiltration on inflammatory response, hemodynamic response, and postoperative pain in patients undergoing craniotomy for cerebral aneurysms: a randomized controlled trial

Nanoparticles: Oral Delivery for Protein and Peptide Drugs

Improved LMI-based stability conditions for a competitive Lotka–Volterra system with time-varying delays

On the correspondence between surface operators in Argyres-Douglas theories and modules of chiral algebra

Third generation of vortex identification methods: Omega and Liutex/Rortex based systems

Genetic Disruption of Anoctamin 5 in Mice Replicates Human Gnathodiaphyseal Dysplasia (GDD)

AP2a enhanced the osteogenic differentiation of mesenchymal stem cells by inhibiting the formation of YAP/RUNX2 complex and BARX1 transcription

Hydraulics and swimming behavior of schizothorax prenanti in vertical slot fishways

LncRNA AK077216 promotes RANKL‐induced osteoclastogenesis and bone resorption via NFATc1 by inhibition of NIP45

Numerical and experimental study of continuous and discontinuous turbidity currents on a flat slope

Safety and efficacy of applying sufficient analgesia combined with a minimal sedation program as an early antihypertensive treatment for spontaneous intracerebral hemorrhage: a randomized controlled trial

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