Search results for: Yi Ouyang

Items from 1 to 20 out of 114 results

article

Feature‐based molecular networking with MS2LDA to profile compounds in Lanbuzheng based on ultra‐high‐performance liquid chromatography‐quadrupole Exactive Orbitrap high‐resolution mass spectrometry

Xixian Kong, Guanghuan Tian, Tong Wu, Shaowei Hu, more

Journal of Separation Science > 47 > 16 > n/a - n/a

Lanbuzheng (Geum japonicum Thunb. var. chinense Bolle), a plant found in Southwest China, is a traditional Chinese medicine that promotes hematopoiesis and antioxidant functions. Many of its chemical constituents remain unknown, posing challenges both to understanding its pharmacological mechanisms and to conducting quality control research. In this work, ultra‐high performance liquid chromatography...

article

Oxygen Incorporated MoS₂ for Rectification‐Mediated Resistive Switching and Artificial Neural Network

Xuya Xiong, Fan Wu, Yi Ouyang, Yanming Liu, more

Advanced Functional Materials > 34 > 15 > n/a - n/a

Molybdenum disulfide (MoS₂) based memristor presents intriguing chance for the implementation bio‐inspired artificial synapse and neural interactions. However, the electrical properties of intrinsic MoS₂ single‐crystal film suffer from inevitable lattice defects or structure vacancies as well as restraining reliable resistive switching mechanism. Here, a fundamental study on tunable p‐type doping...

article

Stacked Covalent Organic Ribbons Perpendicular to Graphene Oxide Sheets; a 1D‐p‐2D Design for Photocatalytic Tandem Reactions

Zeynab Khazaee, Yi Ouyang, Yan Zhang, Oliver Bogojevic, more

Chemistry – A European Journal > 30 > 12 > n/a - n/a

Development of one dimensional covalent organic frameworks (1D‐COFs) with potential in light absorption and catalysis is still challenging, due to their rapid interpenetration to form 2D and 3D porous structures. Here we report a successful synthesis of imine‐linked 1D covalent organic ribbons (COR), using two simple linear building blocks 1,4‐Benzenediamine (Bda) and [2,2′‐Bipyridine]‐5,5′‐dicarbaldehyde...

article

The Kelch‐F‐box protein SMALL AND GLOSSY LEAVES 1 (SAGL1) negatively influences salicylic acid biosynthesis in Arabidopsis thaliana by promoting the turn‐over of transcription factor SYSTEMIC ACQUIRED RESISTANCE DEFICIENT 1 (SARD1)

Ke Yu, Wenqi Yang, Bing Zhao, Ling Wang, more

New Phytologist > 235 > 3 > 885 - 897

Salicylic acid (SA) is a key phytohormone regulating plant immunity. Although the transcriptional regulation of SA biosynthesis has been well‐studied, its post‐translational regulation is largely unknown. We report that a Kelch repeats‐containing F‐box (KFB) protein, SMALL AND GLOSSY LEAVES 1 (SAGL1), negatively influences SA biosynthesis in Arabidopsis thaliana by mediating the proteolytic turnover...

article

Chemisorption of CO₂ in a gas–liquid vortex reactor: An interphase mass transfer efficiency assessment

Yi Ouyang, Manuel Nunez Manzano, Siyuan Chen, Ruben Wetzels, more

AIChE Journal > 68 > 5 > n/a - n/a

To develop cost‐effective CO₂ capture technology process intensification will play a vital role. In this work, the capabilities of a gas–liquid vortex reactor (GLVR) as novel process intensification equipment are evaluated by studying its interphase mass transfer parameters to build up the fundamentals for its future application to for example, CO₂ capture. The NaOH‐CO₂ chemisorption system and Danckwerts'...

article

Micromixing in a gas–liquid vortex reactor

Yi Ouyang, Manuel Nunez Manzano, Koenraad Beirnaert, Geraldine J. Heynderickx, more

AIChE Journal > 67 > 7 > n/a - n/a

The gas–liquid vortex reactor (GLVR) has substantial process intensification potential for multiphase processes. Essential in this respect is the micromixing efficiency, which is of great importance in fast reaction systems such as crystallization, polymerization, and synthesis of nanomaterials. By creating a vortex flow and taking advantage of the centrifugal force field, the liquid micromixing process...

article

Exosomes secreted by chronic hepatitis B patients with PNALT and liver inflammation grade ≥ A2 promoted the progression of liver cancer by transferring miR‐25‐3p to inhibit the co‐expression of TCF21 and HHIP

Yi Ouyang, Yujing Tang, Lei Fu, Shifang Peng, more

Cell Proliferation > 53 > 7 > n/a - n/a

Objectives The current study aimed to investigate the mechanism by which exosomes secreted by CHB patients with PNALT and liver inflammation grade (≥A2) affected the development of liver cancer. Materials and methods Gene expression was assessed by RT‐PCR, Western blotting and immunohistochemistry. CCK‐8, colony formation, transwell, scratch‐wound and flow cytometry assays were used to detect cell...

article

Micromixing efficiency in a rotating foam stirrer reactor with various reactor configurations and liquid viscosities

Yu‐Cheng Yang, Yi Ouyang, Xiao‐Hui Yu, Qing‐Jie Yu, more

Journal of Chemical Technology & Biotechnology > 94 > 12 > 4000 - 4000

article

Electromigration Behavior of Screen-Printing Silver Nanoparticles Interconnects

Wan-Hsuan Lin, Fan-Yi Ouyang

JOM > 2019 > 71 > 9 > 3084-3093

Printing technology is one of the promising patterning techniques in flexible electronic devices due to its low cost and large-area patternability. In this study, the electromigration (EM) behavior of printed interconnects composed of silver nanoparticles was investigated under a current density of 1.5 × 10⁵ A/cm² at ambient temperature of 150°C. During the EM test, the morphologies of silver nanoparticles...

article

Micromixing efficiency in a rotating foam stirrer reactor with various reactor configurations and liquid viscosities

Yu‐Cheng Yang, Yi Ouyang, Xiao‐Hui Yu, Qing‐Jie Yu, more

Journal of Chemical Technology & Biotechnology > 94 > 8 > 2651 - 2660

BACKGROUND The rotating foam stirrer reactor (RFSR) has shown its high mass transfer efficiency. Nevertheless, its micromixing efficiency, which is one of the significant parameters, still needs more comprehensive study for its better application and optimization. This work therefore employed the iodide–iodate reaction system to analyze the micromixing efficiency in an RFSR, and the effects of reactor...

article

Knockdown of PKM2 enhances radiosensitivity of cervical cancer cells

Yanzhu Lin, Hui Zhai, Yi Ouyang, Zhiyuan Lu, more

Cancer Cell International > 2019 > 19 > 1 > 1-12

Background Pyruvate kinase isozyme type M2 (PKM2) catalyzes the final step in glycolysis and has been found to be up-regulated in multiple human malignancies. However, whether PKM2 regulates the radiosensitivity of human cervical cancer (CC) remains unknown. Methods The expression of PKM2 in 94 patients with CC in the complete response (CR) and noncomplete response (nCR) groups, was evaluated by...

article

Linear complexity of generalized cyclotomic sequences of period $$2p^{m}$$ 2 p m

Yi Ouyang, Xianhong Xie

Designs, Codes and Cryptography > 2019 > 87 > 11 > 2585-2596

In this paper, we construct two generalized cyclotomic binary sequences of period $$2p^{m}$$ 2 p m based on the generalized cyclotomy and compute their linear complexity, showing that they are of high linear complexity when $$m\ge 2$$ m ≥ 2 .

article

A review on computational fluid dynamic simulation for rotating packed beds

Yu‐Cheng Yang, Yi Ouyang, Na Zhang, Qing‐Jie Yu, more

Journal of Chemical Technology & Biotechnology > 94 > 4 > 1017 - 1031

A rotating packed bed (RPB) is one of the cutting‐edge process intensification technologies due to its high mass transfer and mixing efficiency. Nevertheless, owing to the complex structure and hydrodynamic characteristics of RPBs, valuable data inside the reactor is hard to obtain by conventional experimental methods. Computational fluid dynamics (CFD) owing to its unique advantages of low cost,...

article

Failure mechanism of Ag-4Pd alloy wire bonded on Al-Si metallization under high temperature storage and thermal cycle tests in corrosive environments

Jui-Nung Wang, Yan-Wen Tsau, Fan-Yi Ouyang

Materials Chemistry and Physics > 2018 > 218 > C > 147-153

This study investigated the failure mechanism of Ag-4Pd wire bonded on Al metallization under chlorine corrosive environments after high temperature storage tests (HTST) and thermal cycle tests (TCT). Results show that as-bonded samples encountered the fastest failure, caused by corrosion of Al metallization accelerated by galvanic corrosion. For HTST samples, the intermetallic compound (IMC) layer...

article

Effect of film thickness and Ti interlayer on structure and properties of Nanotwinned Cu thin films

Fan-Yi Ouyang, Kai-Hung Yang, Leh-Ping Chang

Surface and Coatings Technology > 2018 > 350 > C > 848-856

Nanotwinned Cu thin films were fabricated on Si (100) substrate by using unbalanced magnetron sputtering (UBMS) system with deposition rate of 0.6 nm/s and 1.4 nm/s, respectively. The effect of film thickness and Ti interlayer on microstructure, resistivity and hardness of the films was investigated. The results show that (111) is the dominant preferred orientation in the Cu films for different thickness...

article

Intensity-modulated radiation therapy for definitive treatment of cervical cancer: a meta-analysis

Yanzhu Lin, Kai Chen, Zhiyuan Lu, Lei Zhao, more

Radiation Oncology > 2018 > 13 > 1 > 1-8

Background To compare the efficacies and toxicities of intensity-modulated radiotherapy (IMRT) with three-dimensional conformal radiotherapy (3D-CRT) or conventional two-dimensional radiotherapy (2D-RT) for definitive treatment of cervical cancer. Methods A meta-analysis was performed using search engines, including PubMed, Cochrane Library, Web of Science, and Elsevier. In the meta-analysis, odds...

article

Electrochemical migration of nano-sized Ag interconnects under deionized water and Cl⁻-containing electrolyte

Wan-Hsuan Lin, Chia-Hung Tsou, Fan-Yi Ouyang

Journal of Materials Science: Materials in Electronics > 2018 > 29 > 21 > 18331- 18342

With the trend of miniaturization of electronic products, the applications of fine-pitch interconnect have extended in high performance intelligent electronic devices. Thus, electrochemical migration (ECM) would be a concern in fine-pitch scale interconnects under the environment of temperature, humidity and biased voltage. This study investigated ECM behavior of fine-pitch nano-sized Ag interconnects...

article

On Binary Quadratic Forms Modulo n

Yang Liu, Yi Ouyang

Communications in Mathematics and Statistics > 2019 > 7 > 1 > 61-67

Given a binary quadratic polynomial $$f(x_1,x_2)=\alpha x_1^2+\beta x_1x_2+\gamma x_2^2\in \mathbb {Z}[x_1,x_2]$$ f ( x 1 , x 2 ) = α x 1 2 + β x 1 x 2 + γ x 2 2 ∈ Z [ x 1 , x 2 ] , for every $$c\in \mathbb Z$$ c ∈ Z and $$n\ge 2$$ n ≥ 2 , we study the number of solutions $$\mathrm {N}_J(f;c,n)$$ N J ( f ; c , n ) of the congruence equation $$f(x_1,x_2)\equiv...

article

Comparison of anterior cruciate ligament reconstruction methods between reverse “Y” plasty reconstruction and traditional single-bundle technique—A cadaveric study

Weiping Li, Yang Song, Bin Song, Rui Yang, more

Journal of Orthopaedic Translation > 2018 > 14 > C > 1-7

In 2009, a reverse “Y” plasty anterior cruciate ligament (ACL) reconstruction technique was proposed, with double-tibial tunnel and single-femoral tunnel, and the result obtained proved that the reverse “Y” plasty technique was satisfactory. This cadaveric study was designed to compare the reverse “Y” plasty reconstruction method with the conventional single-bundle technique for the first time.In...

article

CFD analyses of liquid flow characteristics in a rotor-stator reactor

Yi Ouyang, Siwen Wang, Yang Xiang, Zemeng Zhao, more

Chemical Engineering Research and Design > 2018 > 134 > C > 186-197

Rotor-stator reactor (RSR) is a novel device for the intensification of multiphase processes and can greatly boost mass transfer and mixing efficiency. However, due to the unique structure, the flow characteristics in the RSR is unknown and difficult to acquire by experiments. Therefore, this work employed computational fluid dynamics (CFD) technique to reveal liquid flow behaviors in an RSR for the...

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INFONA - science communication portal

Search results for: Yi Ouyang

Feature‐based molecular networking with MS2LDA to profile compounds in Lanbuzheng based on ultra‐high‐performance liquid chromatography‐quadrupole Exactive Orbitrap high‐resolution mass spectrometry

Oxygen Incorporated MoS₂ for Rectification‐Mediated Resistive Switching and Artificial Neural Network

Stacked Covalent Organic Ribbons Perpendicular to Graphene Oxide Sheets; a 1D‐p‐2D Design for Photocatalytic Tandem Reactions

The Kelch‐F‐box protein SMALL AND GLOSSY LEAVES 1 (SAGL1) negatively influences salicylic acid biosynthesis in Arabidopsis thaliana by promoting the turn‐over of transcription factor SYSTEMIC ACQUIRED RESISTANCE DEFICIENT 1 (SARD1)

Chemisorption of CO₂ in a gas–liquid vortex reactor: An interphase mass transfer efficiency assessment

Micromixing in a gas–liquid vortex reactor

Exosomes secreted by chronic hepatitis B patients with PNALT and liver inflammation grade ≥ A2 promoted the progression of liver cancer by transferring miR‐25‐3p to inhibit the co‐expression of TCF21 and HHIP

Micromixing efficiency in a rotating foam stirrer reactor with various reactor configurations and liquid viscosities

Electromigration Behavior of Screen-Printing Silver Nanoparticles Interconnects

Micromixing efficiency in a rotating foam stirrer reactor with various reactor configurations and liquid viscosities

Knockdown of PKM2 enhances radiosensitivity of cervical cancer cells

Linear complexity of generalized cyclotomic sequences of period $$2p^{m}$$ 2 p m

A review on computational fluid dynamic simulation for rotating packed beds

Failure mechanism of Ag-4Pd alloy wire bonded on Al-Si metallization under high temperature storage and thermal cycle tests in corrosive environments

Effect of film thickness and Ti interlayer on structure and properties of Nanotwinned Cu thin films

Intensity-modulated radiation therapy for definitive treatment of cervical cancer: a meta-analysis

Electrochemical migration of nano-sized Ag interconnects under deionized water and Cl⁻-containing electrolyte

On Binary Quadratic Forms Modulo n

Comparison of anterior cruciate ligament reconstruction methods between reverse “Y” plasty reconstruction and traditional single-bundle technique—A cadaveric study

CFD analyses of liquid flow characteristics in a rotor-stator reactor

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