Search results for: Tianyi Li

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article

Cover Image

Tianyi Li, Andrew J. Szeri, Lian Shen

Mathematical Methods in the Applied Sciences > 45 > 13 > i - i

The cover image is based on the Special Issue Paper On the convergence of solving a nonlinear Volterra‐type integral equation for surface divergence based on surface thermal information by Tianyi Li et al., https://doi.org/10.1002/mma.8190. Image Credit: Tianyi Li.

article

On the convergence of solving a nonlinear Volterra‐type integral equation for surface divergence based on surface thermal information

Tianyi Li, Andrew J. Szeri, Lian Shen

Mathematical Methods in the Applied Sciences > 45 > 13 > 8247 - 8268

We analyze a nonlinear integral equation for calculating free‐surface divergence that was proposed by Szeri (2017, https://doi.org/10.1002/2016JC012312). When given the temperature and heat flux at a free surface, the surface divergence can be calculated through a nonlinear singular Volterra‐type integral equation. The two given functions in the integral equation satisfy auxiliary conditions through...

article

Synchrotron X‐Ray‐Driven Nitrogen Reduction on an AgCu Thin Film

Jian Hui, Qingyun Hu, Genmao Zhuang, Wenhui Hu, more

Small > 18 > 26 > n/a - n/a

Nitrogen (N₂) is an essential element for life, but kinetically stable N₂ in the atmosphere needs to be reduced to biologically available forms as a nutrient for organisms. Abiotic nitrogen fixation is critical to the origin of life on the early Earth, which is due to lightning or mineral‐based reduction. Here, synchrotron X‐ray‐induced silver nitrate formation on a silver copper (AgCu) thin‐film...

article

Pushing Lithium–Sulfur Batteries towards Practical Working Conditions through a Cathode–Electrolyte Synergy

Chen Zhao, Amine Daali, Inhui Hwang, Tianyi Li, more

Angewandte Chemie > 134 > 27 > n/a - n/a

The commercialization of lithium–sulfur (Li−S) batteries is still hindered by the unsatisfactory cell performance under practical working conditions, which is mainly caused by the sluggish cathode redox kinetics, severe polysulfide shuttling, and poor Li stripping/plating reversibility. Herein, we report an effective strategy by combining Se‐doped S hosted in an ordered macroporous framework with...

article

Pushing Lithium–Sulfur Batteries towards Practical Working Conditions through a Cathode–Electrolyte Synergy

Chen Zhao, Amine Daali, Inhui Hwang, Tianyi Li, more

Angewandte Chemie International Edition > 61 > 27 > n/a - n/a

article

General analytical solutions for the equal‐strain consolidation of prefabricated vertical drain foundation in unsaturated soils under time‐dependent loading

Aifang Qin, Xinhao Li, Tianyi Li, Lianghua Jiang

International Journal for Numerical and Analytical Methods in Geomechanics > 46 > 8 > 1566 - 1577

External disturbances were scarcely considered in the consolidation of unsaturated vertical drain foundation, in which the ideally permeable or impermeable boundary conditions were always adopted to investigated the consolidation patterns. In view of this, by taking the flows along the vertical and radial orientations simultaneously, this study proposes the general analytical solutions for the axisymmetric...

article

Characterization of sleep‐related neurochemicals at different developmental stages and insomnia models of Drosophila melanogaster

Yu Sun, Runhua Liu, Yuelin Bi, Xin Feng, more

Biomedical Chromatography > 36 > 4 > n/a - n/a

Neurotransmitters play an important role in regulating the physiological activity of the animal, especially in emotion and sleep, whereas nucleotides are involved in almost all cellular processes. However, the characteristics of sleep‐related neurochemicals under different life cycles and environments remain poorly understood. A rapid and sensitive analytical method was established with LC–MS/MS...

article

Liquid chromatography–mass spectrometry in‐depth analysis and in silico verification of the potential active ingredients of Baihe Dihuang decoction in vivo and in vitro

Hao Wu, Runhua Liu, Jiaqi Wang, Tianyi Li, more

Journal of Separation Science > 44 > 21 > 3933 - 3958

Baihe Dihuang decoction is a commonly used herbal formula to treat depression and insomnia in traditional Chinese medicine. This study established a liquid chromatography–mass spectrometry method to investigate the potential active ingredients and the components absorbed in the blood and brain tissue of mice. Using a new data processing method, 94 chemical components were identified, 33 and 9 of which...

article

Analytical solutions for the consolidation of unsaturated foundation with prefabricated vertical drain

Yuanchun Huang, Tianyi Li, Xianlei Fu, Zheng Chen

International Journal for Numerical and Analytical Methods in Geomechanics > 44 > 17 > 2263 - 2282

Based on the consolidation theory raised by Fredlund, the solutions for the equal‐strain consolidation of unsaturated foundation with the prefabricated vertical drain considering smear effect and drain resistance are analytically formulated in this paper. Firstly, governing equations for excess pore pressures (i.e., excess pore‐air and pore‐water pressures) under the equal‐strain hypothesis are derived...

article

Two-year cross-sectional studies reveal that single, young MSMs in Shenzhen, China are at high risk for HIV infection

Dijing Jia, Jin Zhao, Yongjian Liu, Xiaolin Wang, more

Virology Journal > 2019 > 16 > 1 > 1-10

Background Shenzhen City is a rapidly growing area with a large number of floating populations, thus making it difficult to control HIV. Serial cross-sectional studies are helpful for the prediction of epidemiological tendency. In this study, two parallel cross-sectional studies were compared to explore changes in HIV epidemiology in Shenzhen, China. Methods Two hundred and fifty newly reported...

article

Protective effects of the ROCK inhibitor fasudil against cognitive dysfunction following status epilepticus in male rats

Xiaojie Song, Rong He, Wei Han, Tianyi Li, more

Journal of Neuroscience Research > 97 > 4 > 506 - 519

Despite remarkable advances in epilepsy research, prevention and reversal of cognitive deficits following epilepsy remain a challenge. It was reported that the Rho kinase (ROCK) inhibitor fasudil hydrochloride (FH) could improve cognitive deficits in animal models of Alzheimer’s disease (AD). Thus, the aim of the present study was to determine whether FH–mediated inhibition of the effects of ROCK...

article

The novel red persistent phosphor CaS:Yb²⁺, Cl⁻ potentially applicable in AC LED

Yunfei Zhuang, Tianyi Li, Peng Yuan, Yunqian Li, more

Applied Physics A > 2019 > 125 > 2 > 1-5

In this work, a novel CaS:Yb²⁺, Cl⁻ Long Persistent Luminescence (LPL) phosphor was prepared by a solid-state reaction method in carbon reduction atmosphere. The Cl⁻ ion was introduced to sensitize the luminescence of Yb²⁺ ion. The crystal structure was characterized by X-ray diffraction (XRD). The Photoluminescence (PL) and Photo-Stimulated Luminescence (PSL) properties of the as-prepared phosphors...

article

Growth and Fabrication of High‐Quality Single Nanowire Devices with Radial p‐i‐n Junctions

Yunyan Zhang, Ana M. Sanchez, Martin Aagesen, Suguo Huo, more

Small > 15 > 3 > n/a - n/a

Nanowires (NWs) with radial p‐i‐n junction have advantages, such as large junction area and small influence from the surface states, which can lead to highly efficient material use and good device quantum efficiency. However, it is difficult to make high‐quality core–shell NW devices, especially single NW devices. Here, the key factors during the growth and fabrication process that influence the quality...

article

Errors in packaging surgical instruments based on a surgical instrument tracking system: an observational study

Xiaolian Zhu, Lan Yuan, Tianyi Li, Ping Cheng

BMC Health Services Research > 2019 > 19 > 1 > 1-6

Background Surgical instrument processing is important for improving the safety of surgical care in hospitals. However, it has been rarely studied to date. Errors in surgical instrument processing may increase operative times and costs, and increase the risk of surgical infections and perioperative morbidity. We aimed to investigate the errors occurred in packaging surgical instruments. Methods...

article

An Upper Crustal Ophiolite Remnant within the Feather River Ultramafic Belt, California: Tectonomagmatic Origins and Implications for Its Evolution

Jun Luo, John Wakabayashi, Zhiliang He, Jinbiao Yun, more

Journal of Earth Science > 2019 > 30 > 4 > 763-774

The 150-km-long Feather River ultramafic belt (FRB) of the northern Sierra Nevada, California, consists of serpentinized ultramafic rocks, gabbroic rocks, with lesser amounts of amphibolitic rocks. The gabbroic rocks contain metagabbro and dikes within it. Based on the electron microprobe analyses, the metagabbro consists of typical igneous composition for clinopyroxene and early hornblende, indicating...

article

Mapping Watershed-Level Ecosystem Service Bundles in the Pearl River Delta, China

Mingyue Zhao, Jian Peng, Yuanxin Liu, Tianyi Li, more

Ecological Economics > 2018 > 152 > C > 106-117

Managing multiple ecosystem services (ES) is a pressing field in sustainability research. ES bundles (ESBs), which closely link ES trade-offs and synergies, provide a comprehensive approach to exploring the relationship between natural ecosystems and human well-being. In this study, we quantified eight ES in terms of provisioning, regulating and cultural services using geographical data and other...

article

Dynamic lateral organization of opioid receptors (kappa, mu_wt and mu_N40D) in the plasma membrane at the nanoscale level

Maciej K. Rogacki, Ottavia Golfetto, Steven J. Tobin, Tianyi Li, more

Traffic > 19 > 9 > 690 - 709

Opioid receptors are important pharmacological targets for the management of numerous medical conditions (eg, severe pain), but they are also the gateway to the development of deleterious side effects (eg, opiate addiction). Opioid receptor signaling cascades are well characterized. However, quantitative information regarding their lateral dynamics and nanoscale organization in the plasma membrane...

article

Thermal and hydrophobic properties of glycerol stearate-modified Pinus radiata wood

Jia Xu, Bin Li, Tiqi Zhao, Tianyi Li, more

Journal of Forestry Research > 2019 > 30 > 4 > 1521-1525

Glycerol stearate was synthesized by esterification with non-toxic, inexpensive glycerol and stearic acid. The composite of glycerol stearate and Pinus radiata wood was prepared by vacuum impregnation. By Fourier transform infrared (FTIR) analysis, there was the generation of new C=O stretching vibration band of glycerol stearate in comparison with stearic acid. This confirms that glycerol stearate...

article

Embryo–fetal toxicity assessment of vonoprazan in rats and rabbits

Tianyi Li, Hongqun Qiao, Peng Yue, Ming Cai, more

Journal of Applied Toxicology > 38 > 7 > 987 - 995

Vonoprazan is a new potassium‐competitive acid blocker to treat acid‐related diseases. However, its safety during pregnancy is unclear. The aim of the study was to investigate the potential reproductive toxicity on the embryo–fetal development of vonoprazan. Vonoprazan acetate was administered by intravenous injection to pregnant rats (0, 2, 6 and 20 mg kg^–1 day^–1) and rabbits (0, 1.2, 3.6 and 12 mg kg...

article

A Training on: Continuous Manufacturing (Direct Compaction) of Solid Dose Pharmaceutical Products

Sara Moghtadernejad, M. Sebastian Escotet-Espinoza, Sarang Oka, Ravendra Singh, more

Journal of Pharmaceutical Innovation > 2018 > 13 > 2 > 155-187

As the pharmaceutical industry increasingly adopts continuous manufacturing technology, significant attention must be paid to process analytical technology (PAT), process integration, and process control. Published information is no substitute for hands-on comprehensive training, which is critical to implementing and operating continuous pharmaceutical manufacturing systems effectively and efficiently...

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INFONA - science communication portal

Search results for: Tianyi Li

Cover Image

On the convergence of solving a nonlinear Volterra‐type integral equation for surface divergence based on surface thermal information

Synchrotron X‐Ray‐Driven Nitrogen Reduction on an AgCu Thin Film

Pushing Lithium–Sulfur Batteries towards Practical Working Conditions through a Cathode–Electrolyte Synergy

Pushing Lithium–Sulfur Batteries towards Practical Working Conditions through a Cathode–Electrolyte Synergy

General analytical solutions for the equal‐strain consolidation of prefabricated vertical drain foundation in unsaturated soils under time‐dependent loading

Characterization of sleep‐related neurochemicals at different developmental stages and insomnia models of Drosophila melanogaster

Liquid chromatography–mass spectrometry in‐depth analysis and in silico verification of the potential active ingredients of Baihe Dihuang decoction in vivo and in vitro

Analytical solutions for the consolidation of unsaturated foundation with prefabricated vertical drain

Two-year cross-sectional studies reveal that single, young MSMs in Shenzhen, China are at high risk for HIV infection

Protective effects of the ROCK inhibitor fasudil against cognitive dysfunction following status epilepticus in male rats

The novel red persistent phosphor CaS:Yb²⁺, Cl⁻ potentially applicable in AC LED

Growth and Fabrication of High‐Quality Single Nanowire Devices with Radial p‐i‐n Junctions

Errors in packaging surgical instruments based on a surgical instrument tracking system: an observational study

An Upper Crustal Ophiolite Remnant within the Feather River Ultramafic Belt, California: Tectonomagmatic Origins and Implications for Its Evolution

Mapping Watershed-Level Ecosystem Service Bundles in the Pearl River Delta, China

Dynamic lateral organization of opioid receptors (kappa, mu_wt and mu_N40D) in the plasma membrane at the nanoscale level

Thermal and hydrophobic properties of glycerol stearate-modified Pinus radiata wood

Embryo–fetal toxicity assessment of vonoprazan in rats and rabbits

A Training on: Continuous Manufacturing (Direct Compaction) of Solid Dose Pharmaceutical Products

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