Search results for: Yi Zhang

Items from 1 to 20 out of 5,980 results

article

Effects of annealing temperature on both radial supporting performance and axial flexibility of poly(L‐lactic acid) braided stents

Yuan Tian, Muqing Liu, Wentao Liu, Jie Cheng, more

Journal of Applied Polymer Science > 138 > 22 > n/a - n/a

In this paper, the effects of annealing temperature on both radial supporting performance and axial flexibility of poly(L‐lactic acid) (PLLA) braided stents are studied. Stents are annealed at a series of temperatures ranging from 80 to 160°C for 1 h, then indicators of shaping effect, radial supporting performance, and axial flexibility are compared. Stents not annealed and annealed at 80°C cannot...

article

Danthron attenuates experimental atherosclerosis by targeting foam cell formation

Xiujin Shi, Yi Zhang, Baidi Lin, Yang Zhou, more

Experimental Physiology > 106 > 3 > 653 - 662

New Findings What is the central question of this study? Does danthron alleviate experimental atherosclerosis by inhibiting the formation of foam cells? What are the main findings and their importance? Danthron improved serum lipid profiles and significantly reduced the atherosclerotic plaque areas and lipid accumulation in the aortic root of ApoE^−/− mice. Danthron inhibited foam cell formation...

article

Experimental study on ultra‐low NO_x emissions from pulverized coal preheating combustion

Yi Zhang, Jianguo Zhu, Qinggang Lyu, Jingzhang Liu, more

Asia‐Pacific Journal of Chemical Engineering > 16 > 1 > n/a - n/a

Realizing ultra‐low NO_x emissions during coal combustion is currently a development trend and technical bottleneck of coal combustion technology. To further exploit the low‐nitrogen potentialities in preheating combustion technology, the preheating characteristics, combustion characteristics, and NO_x emission characteristics of pulverized coal, after changing operating parameters such as the air equivalence...

article

Dictionary lookup with one genome evolution operation

Meng Zhang, Yi Zhang, Yuming Sun

Concurrency and Computation: Practice and Experience > 33 > 6 > n/a - n/a

Given an m‐length query string q, approximate dictionary lookup searches for strings in a string dictionary D at a distance of 1 to q under some distances. In biological retrieval systems, the distances in such queries are defined by evolution operations on genomes. We consider the approximate dictionary lookup with one genome evolution operation including reversal and transposition, which searches...

article

Learning by explaining to oneself and a peer enhances learners’ theta and alpha oscillations while watching video lectures

Zhongling Pi, Yi Zhang, Weichen Zhou, Ke Xu, more

British Journal of Educational Technology > 52 > 2 > 659 - 679

In the present study, we tested the effectiveness of three learning strategies (self‐explanation, learning by teaching and passive viewing) used by students who were learning from video lectures. Effectiveness was measured not only with traditional measures, but also with electroencephalography (EEG). Using a within‐subjects design, 26 university students viewed three sets of short lectures, each...

article

Epitaxial Growth of Single‐Phase 1T'‐WSe₂ Monolayer with Assistance of Enhanced Interface Interaction

Wang Chen, Mengli Hu, Junyu Zong, Xuedong Xie, more

Advanced Materials > 33 > 7 > n/a - n/a

The WSe₂ monolayer in 1T’ phase is reported to be a large‐gap quantum spin Hall insulator, but is thermodynamically metastable and so far the fabricated samples have always been in the mixed phase of 1T’ and 2H, which has become a bottleneck for further exploration and potential applications of the nontrivial topological properties. Based on first‐principle calculations in this work, it is found that...

article

Tripartite Motif‐Containing 27 Attenuates Liver Ischemia/Reperfusion Injury by Suppressing Transforming Growth Factor β–Activated Kinase 1 (TAK1) by TAK1 Binding Protein 2/3 Degradation

San‐Yang Chen, Hua‐Peng Zhang, Jie Li, Ji‐Hua Shi, more

Hepatology > 73 > 2 > 738 - 758

Background and Aims Hepatic ischemia‐reperfusion (I/R) injury, which mainly involves inflammatory responses and apoptosis, is a common cause of organ dysfunction in liver transplantation (LT). As a critical mediator of inflammation and apoptosis in various cell types, the role of tripartite motif‐containing (TRIM) 27 in hepatic I/R injury remains worthy of study. Approach and Results This study...

article

Retrospective analysis of off‐label medication use at a plastic surgery hospital in China and evidence‐based evaluation

Zhi Gao, Rui Jiao, Wei Zhang, Wei Guo, more

Dermatologic Therapy > 34 > 1 > n/a - n/a

To retrospectively analyze the off‐label prescriptions at a plastic surgery hospital in China and conduct a literature review. The prescriptions in outpatient department from January 1, 2018 to December 31, 2018 were collected and compared with the related drug instructions in indications, dosage, frequency and route of administration to identify the off‐label prescriptions. According to related literatures,...

article

Forecasting the volatility of Chinese stock market: An international volatility index

Likun Lei, Yaojie Zhang, Yu Wei, Yi Zhang

International Journal of Finance & Economics > 26 > 1 > 1336 - 1350

To forecast the volatility of Chinese stock market, we use information from 28 international markets rather than relying on the Chinese market alone. A common factor, which we call the international volatility index, is constructed by the first principal component of all the 28 cross‐national stock market volatilities. We then add the international volatility index into the prevailing heterogeneous...

article

Role of Intrinsic Surface States in Efficiency Attenuation of GaN‐Based Micro‐Light‐Emitting‐Diodes

Fulong Jiang, Byung-Ryool Hyun, Yi Zhang, Zhaojun Liu

physica status solidi (RRL) – Rapid Research Letters > 15 > 2 > n/a - n/a

The effects of an intrinsic nonpolar surface on internal quantum efficiency (IQE) are numerically investigated for gallium nitride (GaN)‐based micro‐light emitting‐diodes (μ‐LEDs). It is found that due to the modulation of the surface density of states, the surface energy band bends upward, and valence band holes are naturally pushed toward the surface and are accumulated at the surface, resulting...

article

Role of Intrinsic Surface States in Efficiency Attenuation of GaN‐Based Micro‐Light‐Emitting‐Diodes

Fulong Jiang, Byung-Ryool Hyun, Yi Zhang, Zhaojun Liu

physica status solidi (RRL) – Rapid Research Letters > 15 > 2 > n/a - n/a

In article number 2000487, Zhaojun Liu and co‐workers discuss the role of intrinsic surface states for efficiency attenuation of GaN‐based micro‐light‐emitting‐diodes (μ‐LEDs) with pixel size down to 1 μm. For the devices, μ‐LED micropillars are fabricated by photolithography and subsequent KOH etching processes. Hole accumulation at the surface of the active layer of the μ‐LEDs is experimentally...

article

CDKN2A deletions are associated with poor outcomes in 101 adults with T‐cell acute lymphoblastic leukemia

Huan‐Ping Wang, Yi‐Le Zhou, Xin Huang, Yi Zhang, more

American Journal of Hematology > 96 > 3 > 312 - 319

The identification of genetic risk subgroups of T‐cell acute lymphoblastic leukemia (T‐ALL) may provide evidence for risk stratification and individualized treatment. We investigated the characteristics and prognostic value of tumor suppressor gene CDKN2A deletions in 101 patients with T‐ALL. The CDKN2A deletion was present in 23% (23/101) of T‐ALL by fluorescence in situ hybridization (FISH). The...

article

Research on multiple‐state industrial robot system with epistemic uncertainty reliability allocation method

Bin Bai, Ze Li, Jun‐yi Zhang, De‐quan Zhang, more

Quality and Reliability Engineering International > 37 > 2 > 632 - 647

Reliability allocation of industrial robot (IR) system is one of the important means to improve its whole life cycle, reduce maintenance cost, and characterize weak subsystems. The IR system is not only very complex but also has strong customization; meanwhile, its sample data are small, resulting in unclear degeneration and failure. Based on the above two epistemic uncertainties, a new methodology...

article

FcγRI plays a critical role in patients with ulcerative colitis relapse

Yan Li, Yuan‐Yi Zhang, Li‐Teng Yang, Jiang‐Qi Liu, more

European Journal of Immunology > 51 > 2 > 459 - 470

Ulcerative colitis (UC) is a disease that frequently relapses and affects more than 0.1% general population; the underlying mechanism is poorly understood. Published data show that polymorphonuclear neutrophils (PMN) contribute to the pathogenesis of UC. This study aims to identify antigen (Ag)‐specific PMNs and investigate their role in UC relapse. In this study, the correlation between PMN activities...

article

The Oval‐like Cross‐section of Femoral Neck Isthmus in Three‐dimensional Morphological Analysis

Ru‐yi Zhang, Yan‐peng Zhao, Xiu‐yun Su, Jian‐tao Li, more

Orthopaedic Surgery > 13 > 1 > 321 - 327

Objectives To investigate the cross‐section shape of the femoral neck isthmus (FNI) in three‐dimensional reconstruction model of the femoral neck. Methods From December 2009 to December 2012, computed tomography (CT) data of bilateral hip joint from 200 consecutive patients (137 males and 63 females, 69.41 ± 9.21 years old, ranged from 50–85 years old) who underwent surgical treatments for proximal...

article

Effects of microwave heating, steaming, boiling and baking on the structure and functional properties of quinoa (Chenopodium quinoa Willd.) protein isolates

Lei Wang, Ji‐lin Dong, Ying‐ying Zhu, Rui‐ling Shen, more

International Journal of Food Science & Technology > 56 > 2 > 709 - 720

The effects of microwave heating (MW), steaming (SM), boiling (BL) and baking (BK) on the structure and functional properties of quinoa protein isolates (QPI) were investigated. SDS‐PAGE showed the 20–30 kDa band strength of QPI‐BL was enhanced, which indicated the disulphide bond was broken and protein molecules dissociated. Due to the recombination of subunits, some large molecular weight or insoluble...

article

Assessment of ADCY9 polymorphisms and colorectal cancer risk in the Chinese Han population

Haiyue Li, Yuanwei Liu, Jianfeng Liu, Yao Sun, more

The Journal of Gene Medicine > 23 > 2 > n/a - n/a

Background Recently, ADCY9 has been found to be highly expressed in colon cancer, and high ADCY9 expressionis a poor prognostic factor of colon cancer. However, no study has reported on the relationship between single nucleotide polymorphisms (SNPs) of ADCY9 and colorectal cancer risk in the Chinese Han population. Methods To evaluate the association between four ADCY9 SNPs and colorectal cancer...

article

Screening of radical scavenging activity and chemical constituents of the essential oil from star anise by ultra‐fast GC electronic nose coupled with DPPH, OH, and ABTS assays

Ji‐Yu Nie, Yi Zhang, Rong Li, Zi‐Tao Jiang, more

Journal of Food Processing and Preservation > 45 > 1 > n/a - n/a

A sensitive and selective method of ultra‐fast GC electronic nose (E‐nose) coupled with chemical methodology was developed for both identifying the chemical constituents of essential oil from star anise (EOSA) and the screening of the radical scavenging activity of each compound in EOSA quickly without the isolation of monomers by comparing the change of the chromatographic peak area of every component...

article

Upregulated expression of NMDA receptor in the paraventricular nucleus shortens ejaculation latency in rats with experimental autoimmune prostatitis

Jie Yang, Qi‐jie Zhang, Jia‐yi Zhang, Ya‐min Wang, more

Andrology > 9 > 1 > 352 - 360

Background Estimated 30%‐40% of patients with chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) suffer from premature ejaculation (PE), which is difficult to cure, but the mechanism is still unknown. Based on the results of our previous clinical studies and animal experiments, we propose that the glutamatergic system dysfunction in the paraventricular nucleus (PVN) may be involved. Methods...

article

A Metal‐ and Azide‐free Oxidative Coupling Reaction for the Synthesis of [1,2,3]Triazolo[1,5‐a]quinolines and their Application to Construct C−C and C‐P Bonds, 2‐Cyclopropylquinolines and Imidazo[1,5‐a]quinolines

Zhi‐Hao Shang, Zhen‐Xiao Zhang, Wei‐Zhao Weng, Yu‐Fei Wang, more

Advanced Synthesis & Catalysis > 363 > 2 > 490 - 496

An iodine‐promoted one‐pot cascade oxidative annulation reaction has been developed for the synthesis of [1,2,3]triazolo[1,5‐a]quinolines from methyl azaarenes and N‐tosylhydrazines. The reaction has a broad substrate scope and can be easily scaled up to gram‐scale. 1,2,3‐Triazoles are an important skeletal structure for the construction of C−C and C−P bonds, 2‐cyclopropylquinolines and imidazo[1,5‐a]quinolines,...

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INFONA - science communication portal

Search results for: Yi Zhang

Effects of annealing temperature on both radial supporting performance and axial flexibility of poly(L‐lactic acid) braided stents

Danthron attenuates experimental atherosclerosis by targeting foam cell formation

Experimental study on ultra‐low NO_x emissions from pulverized coal preheating combustion

Dictionary lookup with one genome evolution operation

Learning by explaining to oneself and a peer enhances learners’ theta and alpha oscillations while watching video lectures

Epitaxial Growth of Single‐Phase 1T'‐WSe₂ Monolayer with Assistance of Enhanced Interface Interaction

Tripartite Motif‐Containing 27 Attenuates Liver Ischemia/Reperfusion Injury by Suppressing Transforming Growth Factor β–Activated Kinase 1 (TAK1) by TAK1 Binding Protein 2/3 Degradation

Retrospective analysis of off‐label medication use at a plastic surgery hospital in China and evidence‐based evaluation

Forecasting the volatility of Chinese stock market: An international volatility index

Role of Intrinsic Surface States in Efficiency Attenuation of GaN‐Based Micro‐Light‐Emitting‐Diodes

Role of Intrinsic Surface States in Efficiency Attenuation of GaN‐Based Micro‐Light‐Emitting‐Diodes

CDKN2A deletions are associated with poor outcomes in 101 adults with T‐cell acute lymphoblastic leukemia

Research on multiple‐state industrial robot system with epistemic uncertainty reliability allocation method

FcγRI plays a critical role in patients with ulcerative colitis relapse

The Oval‐like Cross‐section of Femoral Neck Isthmus in Three‐dimensional Morphological Analysis

Effects of microwave heating, steaming, boiling and baking on the structure and functional properties of quinoa (Chenopodium quinoa Willd.) protein isolates

Assessment of ADCY9 polymorphisms and colorectal cancer risk in the Chinese Han population

Screening of radical scavenging activity and chemical constituents of the essential oil from star anise by ultra‐fast GC electronic nose coupled with DPPH, OH, and ABTS assays

Upregulated expression of NMDA receptor in the paraventricular nucleus shortens ejaculation latency in rats with experimental autoimmune prostatitis

A Metal‐ and Azide‐free Oxidative Coupling Reaction for the Synthesis of [1,2,3]Triazolo[1,5‐a]quinolines and their Application to Construct C−C and C‐P Bonds, 2‐Cyclopropylquinolines and Imidazo[1,5‐a]quinolines

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