Search results for: Liang Xia

Items from 1 to 20 out of 212 results

article

Study on Preparation of Magnesium Hydroxide by Continuous Forced Circulation Process

Ying Zhang, Liang Xia, Li Zhang, Yaxia Li, more

Crystal Research and Technology > 58 > 8 > n/a - n/a

A continuous process for preparation of magnesium hydroxide with a forced circulation tubular reactor is proposed. The residence time distribution of the liquid in the reactor at different flow rates is measured, and the parameters of the tanks‐in‐series model are obtained. Using soluble magnesium salt and ammonia as raw materials, magnesium hydroxide is prepared. The effect of the flow rates on the...

article

Soluble E‐cadherin promotes invasiveness of neoplastic cells in salivary gland carcinoma ex pleomorphic adenoma

Wanling Chen, Sai Ye, Xiaoning Wang, Jiajun Qian, more

Journal of Oral Pathology & Medicine > 52 > 1 > 63 - 71

Background Soluble E‐cadherin (sEcad), a tumor suppressor gene, has pro‐oncogenic effects by binding to human epithelial growth factor receptor 2 (HER‐2). In our previous study, 1/3 of carcinoma ex pleomorphic adenoma (CXPA) cases had HER‐2 amplification, which is associated with tumorigenesis and malignancy. This study examines the role of sEcad in HER‐2 amplified CXPA. Methods Immunohistochemistry...

article

Genome‐wide association study of 7661 Chinese Han individuals and fine‐mapping major histocompatibility complex identifies HLA‐DRB1 as associated with IgA vasculitis

Liang Xia, Mengyun Chen, Hanshuo Zhang, Xiaodong Zheng, more

Journal of Clinical Laboratory Analysis > 36 > 6 > n/a - n/a

Background Immunoglobulin‐A vasculitis (IgAV) is an immune‐related systemic vasculitis with an unclear etiology. Genetic predisposition is now considered to be closely associated with the development of the disease, and it is essential to reveal the relationship between them. To explore the role of heredity in the disease, we performed a genome‐wide association study (GWAS) of 496 IgAV cases and...

article

Lipopolysaccharide increases exosomes secretion from endothelial progenitor cells by toll‐like receptor 4 dependent mechanism

Liang Xia, Xiaotian Wang, Weidong Yao, Meihui Wang, more

Biology of the Cell > 114 > 5 > 127 - 137

Background Information Endothelial progenitor cells (EPCs) can exert angiogenic effects by a paracrine mechanism, where exosomes work as an important mediator. Recent studies reported functional expression of toll‐like receptor (TLR) 4 on human EPCs and dose‐dependent effects of lipopolysaccharide (LPS) on EPC angiogenic properties. To study the effects of TLR4/LPS signaling on EPC‐derived exosomes...

article

Association between morphological features of necrotizing pancreatitis on endoscopic ultrasound and outcomes of the endoscopic transmural step‐up approach

Ling Ding, Xue Yang Li, Ji Xue Tan, Liang Xia, more

Journal of Digestive Diseases > 23 > 3 > 174 - 182

Objective To investigate the association between necrotic collections on endoscopic ultrasound (EUS) and outcomes of the endoscopic transmural step‐up approach in necrotizing pancreatitis (NP). Methods Adult NP patients who had undergone endoscopic transmural step‐up approach, endoscopic transmural drainage or endoscopic transmural necrosectomy, were retrospectively enrolled, and divided into groups...

article

Length scale control schemes for bi‐directional evolutionary structural optimization method

Wenke Qiu, Shaomeng Jin, Liang Xia, Tielin Shi

International Journal for Numerical Methods in Engineering > 123 > 3 > 755 - 773

This work develops length scale control schemes for bi‐directional evolutionary structural optimization method, enabling an enhanced and flexible control of the method on structural member sizes. Specifically, the maximum length scale control is achieved by constraining local material volumes below a threshold value, which is determined upon the allowed maximum length. The massive per‐element volume...

article

Pediatric asthma control during the COVID‐19 pandemic: A systematic review and meta‐analysis

Ze Yang, Xiang Wang, Xi‐gang Wan, Meng‐lei Wang, more

Pediatric Pulmonology > 57 > 1 > 20 - 25

Background With the onset of the coronavirus disease 2019 (COVID‐19) pandemic, many experts expected that asthma‐associated morbidity because of severe acute respiratory syndrome coronavirus 2 infection would dramatically increase. However, some studies suggested that there was no apparent increasing in asthma‐related morbidity in children with asthma, it is even possible children may have improved...

article

Design of heterogeneous mesostructures for nonseparated scales and analysis of size effects

Daicong Da, Liang Xia

International Journal for Numerical Methods in Engineering > 122 > 5 > 1333 - 1351

Scale separation is often assumed in most multiscale topology optimization frameworks. In this work, topology optimization of heterogeneous structures consisting of inseparable unit cells is studied. The cell morphology is given first and remains unchanged during the optimization process. A nonlocal numerical homogenization method is used to construct a mesoscopic constitutive relationship between...

article

Comparison of percutaneous vs endoscopic drainage in the management of pancreatic fluid collections: A prospective cohort study

Jianhua Wan, Dangyan Wu, Wenhua He, Yin Zhu, more

Journal of Gastroenterology and Hepatology > 35 > 12 > 2170 - 2175

Background and Aim Currently, endoscopic drainage (ED) and percutaneous drainage (PD) are both widely used effective interventions in the management of patients with symptomatic pancreatic fluid collections (PFCs). This study aimed to compare the clinical effectiveness and safety of ED to those of PD in the treatment of PFCs. Methods A prospective cohort study of PFC patients who underwent ED or...

article

Effects of mummy consumption on fitness and oviposition site selection on Harmonia axyridis

Xing‐Lin Yu, Yi Feng, Zhu‐Jun Feng, Phongsakorn Chana, more

Insect Science > 27 > 5 > 1101 - 1110

Intraguild predation (IGP) has been commonly reported between predators and parasitoids used as biological control agents as predators consuming parasitoids within their hosts. However, the effect of parasitoid–mummy consumption on the fitness of the predator and subsequent oviposition site selection have not been well studied. In our study, we conducted two laboratory experiments to examine the influence...

article

Functional lumen imaging probe in gastrointestinal motility diseases

Hui Min Chen, Bai Wen Li, Lian Yong Li, Liang Xia, more

Journal of Digestive Diseases > 20 > 11 > 572 - 577

Dysfunction of gastrointestinal (GI) sphincters, including the lower esophageal sphincter (LES) at the esophagogastric junction (EGJ) and the pyloric sphincter, plays a vital role in GI motility disorders, such as achalasia, gastroesophageal reflux disease (GERD), gastroparesis, and fecal incontinence. Using multi‐detector high‐resolution impedance planimetry, the functional luminal imaging probe...

article

Deformation characteristics in hydro-mechanical forming process of thin-walled hollow component with large deformation: experimentation and finite element modeling

Liang-Liang Xia, Yong Xu, Ali Abd El-Aty, Shi-Hong Zhang, more

The International Journal of Advanced Manufacturing Technology > 2019 > 104 > 9-12 > 4705-4714

The automobile exhaust manifold regularly has a multi-valved shape that used to be formed by the combination of stamping and welding. The current study intended to investigate and develop a tube hydro-mechanical forming (THMF) process to form an integral automobile exhaust manifold that has the characters of large deformation and small corner. It included three stages such as pre-forming stage, die-forming...

article

Concurrent topology optimization of multiscale composite structures in Matlab

Jie Gao, Zhen Luo, Liang Xia, Liang Gao

Structural and Multidisciplinary Optimization > 2019 > 60 > 6 > 2621-2651

This paper presents the compact and efficient Matlab codes for the concurrent topology optimization of multiscale composite structures not only in 2D scenario but also considering 3D cases. A modified SIMP approach (Sigmund 2007) is employed to implement the concurrent topological design, with an energy-based homogenization method (EBHM) to evaluate the macroscopic effective properties of the microstructure...

article

A patient from Zhejiang, China, with synchronous mucinous metaplasia and neoplasms of the female genital tract: A case report

Jingjing Lu, Li Gao, Huimin Yu, Liang Xia, more

Journal of Obstetrics and Gynaecology Research > 45 > 7 > 1382 - 1385

Synchronous mucinous metaplasia and neoplasms of the female genital tract (SMMN‐FGT) is a rare disease reported by a few scholars without the consensus of diagnosis and treatment. Here we will report a 57‐year‐old female patient from Zhejiang China who suffered from this disease. She came to our hospital because of a large amount of vaginal discharge. All the medical examination was negative except...

article

One-Pot Synthesis of 2nd Ruthenium Grubbs Catalyst for Preparation of One Stapled Peptide

Liang Xia, Tao Peng, Gang Wang, Xiaoxue Wen, more

Chemistry of Natural Compounds > 2019 > 55 > 3 > 525-527

2nd Grubbs catalyst was prepared using a new strategy for efficient preparation of a stapled peptide. The reaction was short and avoided the effect of oxygen and moisture.

article

Correction to: Elevated expression of CST1 promotes breast cancer progression and predicts a poor prognosis

Da-nian Dai, Yan Li, Bo Chen, Yong Du, more

Journal of Molecular Medicine > 2019 > 97 > 8 > 1213-1214

In Figure 7f the panel for c-myc of MDA-MB-468 was erroneously duplicated. The corrected version of the figure is shown in this paper. This correction does not influence the conclusion of the study and we sincerely apologize for this oversight.

article

Association of Serum Levels of Silent Information Regulator 1 with Persistent Organ Failure in Acute Pancreatitis

Jie Chen, Jianhua Wan, Wenqing Shu, Xiaoyu Yang, more

Digestive Diseases and Sciences > 2019 > 64 > 11 > 3173-3181

Background/Aims Early assessment is a key factor for adequate and comprehensive treatment of acute pancreatitis (AP). Silent information regulator 1 (SIRT1) plays an important role in inflammation. The aim was to explore the relationship between serum SIRT1 and persistent organ failure (POF) in patients with AP. Methods Thirty-seven healthy controls (HCs) and 113 patients with AP were recruited...

article

Serum D-dimer levels at admission for prediction of outcomes in acute pancreatitis

Jianhua Wan, Xiaoyu Yang, Wenhua He, Yin Zhu, more

BMC Gastroenterology > 2019 > 19 > 1 > 1-7

Background Systemic alterations in coagulation are associated with complications of acute pancreatitis (AP). D-dimer, a fibrin degradation product, was recently described as a marker of pancreatitis outcome. Early prediction is essential for reducing mortality in AP. The present study aims to assess the relationship between elevated serum D-dimer levels and the severity of AP. Methods We performed...

article

Recent and occult hepatitis B virus infections among blood donors in the United States

Sumathi Ramachandran, Jamel A. Groves, Guo‐liang Xia, Paula Saá, more

Transfusion > 59 > 2 > 601 - 611

BACKGROUND Characteristics of US blood donors with recent (RBI) or occult (OBI) hepatitis B virus (HBV) infection are not well defined. METHODS Donors with RBI and OBI were identified by nucleic acid and serologic testing among 34.4 million donations during 2009–2015. Consenting donors were interviewed and their HBV S‐gene sequenced. RESULTS The overall rate of HBV‐infected donors was 7.95 per...

article

Epidemiological characteristics of injury mortality in Guangdong Province, China, 2015

Ruilin Meng, Xiaojun Xu, Yanjun Xu, Chao Luo, more

BMC Public Health > 2019 > 19 > 1 > 1-8

Background As the fourth leading cause of death, injury is an important public health concern in Guangdong Province, China. The epidemiological characteristics of injury mortality is changing along with the social development. This study described the epidemiological characteristics of injury mortality in Guangdong Province by analyzing the death surveillance data in a few areas in Guangdong Province...

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TOPOLOGY OPTIMIZATION (13)
IMPEDANCE SPECTROSCOPY (11)
ELECTRICAL CONDUCTIVITY (10)
ACUTE PANCREATITIS (9)
AIR SOURCE HEAT PUMP (7)
ARRAYS (7)
PROGNOSIS (7)
MODEL REDUCTION (6)
BESO (5)
GLIOMA (5)
MICROSTRIP (5)
SOLID ELECTROLYTE (5)
BREAST CANCER (4)
HEPATITIS C VIRUS (4)
MICROSTRIP ANTENNA ARRAYS (4)
MULTISCALE ANALYSIS (4)
MUTUAL COUPLING (4)
REFLECTION COEFFICIENT (4)
WIDE-ANGLE SCANNING (4)
AD HOC NETWORKS (3)
ADAPTIVE CONTROL (3)
AIR CONDITIONING (3)
ANGIOGENESIS (3)
APOPTOSIS (3)
COUPLINGS (3)
CRYSTAL STRUCTURE (3)
DECOUPLING NETWORK (3)
DIRECT EXPANSION (3)
ELECTROLYTE (3)
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FINITE ELEMENT ANALYSIS (3)
HEPATITIS B VIRUS (3)
MACHINE CONTROL (3)
MAIZE (3)
MICROSTRUCTURE (3)
PHASED ARRAY (3)
PHASED ARRAYS (3)
PREVENTION (3)
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STRUCTURE (3)
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AD HOC (2)
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ARTIFICIAL NEURAL NETWORK (2)
BRUSHLESS DC MOTORS (2)
CAPACITORS (2)
CARCINOMA EX PLEOMORPHIC ADENOMA (2)
CERAMICS (2)
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DEFROSTING EFFICIENCY (2)
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DIFFERENTIATION (2)
DIFFUSE APPROXIMATION (2)
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ELECTRICITY (2)
EMERGENCY SERVICES (2)
ENDOTHELIAL PROGENITOR CELLS (2)
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FUZZY LOGIC (2)
GAIN (2)
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PANCREATITIS (2)
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PAX3 (2)
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International Hepatology Communications (2)
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INFONA - science communication portal

Search results for: Liang Xia

Study on Preparation of Magnesium Hydroxide by Continuous Forced Circulation Process

Soluble E‐cadherin promotes invasiveness of neoplastic cells in salivary gland carcinoma ex pleomorphic adenoma

Genome‐wide association study of 7661 Chinese Han individuals and fine‐mapping major histocompatibility complex identifies HLA‐DRB1 as associated with IgA vasculitis

Lipopolysaccharide increases exosomes secretion from endothelial progenitor cells by toll‐like receptor 4 dependent mechanism

Association between morphological features of necrotizing pancreatitis on endoscopic ultrasound and outcomes of the endoscopic transmural step‐up approach

Length scale control schemes for bi‐directional evolutionary structural optimization method

Pediatric asthma control during the COVID‐19 pandemic: A systematic review and meta‐analysis

Design of heterogeneous mesostructures for nonseparated scales and analysis of size effects

Comparison of percutaneous vs endoscopic drainage in the management of pancreatic fluid collections: A prospective cohort study

Effects of mummy consumption on fitness and oviposition site selection on Harmonia axyridis

Functional lumen imaging probe in gastrointestinal motility diseases

Deformation characteristics in hydro-mechanical forming process of thin-walled hollow component with large deformation: experimentation and finite element modeling

Concurrent topology optimization of multiscale composite structures in Matlab

A patient from Zhejiang, China, with synchronous mucinous metaplasia and neoplasms of the female genital tract: A case report

One-Pot Synthesis of 2nd Ruthenium Grubbs Catalyst for Preparation of One Stapled Peptide

Correction to: Elevated expression of CST1 promotes breast cancer progression and predicts a poor prognosis

Association of Serum Levels of Silent Information Regulator 1 with Persistent Organ Failure in Acute Pancreatitis

Serum D-dimer levels at admission for prediction of outcomes in acute pancreatitis

Recent and occult hepatitis B virus infections among blood donors in the United States

Epidemiological characteristics of injury mortality in Guangdong Province, China, 2015

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