Search results for: B. Yang

Items from 1 to 20 out of 952 results

article

Improved analysis of anthocyanins and vitamin C in blue-purple potato cultivars

L. Gutierrez-Quequezana, A.L. Vuorinen, H. Kallio, B. Yang

Food Chemistry > 2018 > 242 > Complete > 217-224

Methods were optimized for extraction and quantification of anthocyanins (ACY) and vitamin C in potatoes. Acidified aqueous methanol (70%) was the optimal extraction solvent and freeze-drying significantly improved the extraction yield of ACY. The content of ACY varied widely in five potato cultivars from 0.42 to 3.18mg/g dry weight, with the latter being the highest value found in the Finnish cultivar...

article

Structure characterisation of polysaccharides in vegetable ''okra'' and evaluation of hypoglycemic activity

J. Liu, Y. Zhao, Q. Wu, A. John, more

Food Chemistry > 2018 > 242 > Complete > 211-216

Okra is a widely accepted vegetable in subtropical and tropical regions due to the good palatability. However, the polysaccharide compositions remain unclear. In this work, the water extract of okra pod was prepared and the leading polysaccharide fraction was purified. The precise structural characteristics were identified. It was a polysaccharide ''rhamnogalacturonan'' as shown below, and the structure...

article

Rotation invariants from Gaussian-Hermite moments of color images

B. Yang, T. Suk, J. Flusser, Z. Shi, more

Signal Processing > 2018 > 143 > Complete > 282-291

The topic of the paper is recognition of objects and patterns in color images regardless of their position, orientation, and scale. Gaussian-Hermite moment invariants designed especially for color images are introduced in this paper. We extend the existing invariants for graylevel images and show that in the case of color images there exist additional independent invariants, which can be constructed...

article

The enhancement of CdS photocatalytic activity for water splitting via anti-photocorrosion by coating Ni₂P shell and removing nascent formed oxygen with artificial gill

W. Zhen, X. Ning, B. Yang, Y. Wu, more

Applied Catalysis B: Environmental > 2018 > 221 > Complete > 243-257

CdS photocorrosion seriously impeded its application in photocatalysis, especially for water splitting. Here we report new strategies to improve CdS photocorrosion resistance properties significantly by coating Ni₂P shell and assembling an artificial gill to remove newly formed O₂ from water. Ni₂PΓdS catalyst can achieve the over-all water splitting under visible light irradiation without addition...

article

Pharmacological activation of the Nrf2 pathway by 3H-1, 2-dithiole-3-thione is neuroprotective in a mouse model of Alzheimer disease

Y. Cui, S. Ma, C. Zhang, D. Li, more

Behavioural Brain Research > 2018 > 336 > Complete > 219-226

Accumulating evidence suggests that oxidative stress induced by beta-amyloid (Aβ) is implicated in the pathlogical progression of Alzheimer's disease (AD). 3H-1,2-dithiole-3-thione (D3T), the simplest compound of the sulfur-containing dithiolethiones, has been proved to be a strongly active antioxidant factor by regulation of the nuclear factor E2-related factor 2 (Nrf2). Previous study reported that...

article

Shock-induced stacking fault pyramids in Ni/Al multilayers

H. Xiang, H. Li, T. Fu, W. Zhu, more

Applied Surface Science > 2018 > 427 > Part A > 219-225

The formations of stacking fault tetrahedra in {111}fcc/{111}fcc multilayers have been studied extensively, but the researches related to {001}fcc/{001}fcc interfaces can rarely be found in the literature. Using molecular dynamics (MD) simulations, the shock-induced dislocation structure in Ni/Al multilayers was studied in this article, the stacking fault pyramids (SFPs) initiated from Ni/Al interface...

article

A dual amplification strategy for ultrasensitive detection of microRNA

L. Lu, B. Yang, T. Kang

Applied Surface Science > 2017 > 426 > Complete > 597-604

Here, we present a dual amplification strategy based on a duplex-specific nuclease and a hybridization chain reaction, which has been designed for the highly sensitive detection of miRNAs. In the first step, a loop amplification strategy based on a duplex-specific nuclease was employed to obtain a large number of ssDNA reporters that then act as initiators to trigger the next amplification step. The...

article

Antifouling composites with self-adaptive controlled release based on an active compound intercalated into layered double hydroxides

M. Yang, L. Gu, B. Yang, L. Wang, more

Applied Surface Science > 2017 > 426 > Complete > 185-193

This paper reports a novel method to prepare the antifouling composites with properties of self-adaptive controlled release (defined as control the release rate autonomously and adaptively according to the change of environmental conditions) by intercalation of sodium paeonolsilate (PAS) into MgAl and ZnAl layered double hydroxide (LDH) with the molar ratio (M²⁺/M³⁺) of 2:1 and 3:1, respectively....

article

Parametric investigation the particle number and mass distributions characteristics in a diesel/natural gas dual-fuel engine

B. Yang, L. Ning, W. Chen, B. Wang, more

Applied Thermal Engineering > 2017 > 127 > Complete > 402-408

Considering the negative effects on human health, the number of particles has been limited in the current standard emissions regulation. So an experimental study has been carried out to explore the behavior of the particles in a diesel/natural gas dual-fuel engine. In this paper the particle emissions characteristic of a diesel/natural gas dual-fuel engine with varying engine loads at constant engine...

article

Experimental and numerical investigation of heat transfer in an array of impingement jets on a concave surface

B. Yang, S. Chang, H. Wu, Y. Zhao, more

Applied Thermal Engineering > 2017 > 127 > Complete > 473-483

In this article, a combined experimental and computational study was conducted to investigate the heat transfer characteristics of sonic impingement jets on the concave surface of the leading edge of a NACA0015 airfoil. Both the local/average Nusselt number (Nu/Nu ) distributions and flow pattern in the impingement region were obtained for H/d ranging from 10 to 25, S/d from 20 to 35, and d from...

article

Nonlinear convergence active vibration absorber for single and multiple frequency vibration control

X. Wang, B. Yang, S. Guo, W. Zhao

Journal of Sound and Vibration > 2017 > 411 > Complete > 289-303

This paper presents a nonlinear convergence algorithm for active dynamic undamped vibration absorber (ADUVA). The damping of absorber is ignored in this algorithm to strengthen the vibration suppressing effect and simplify the algorithm at the same time. The simulation and experimental results indicate that this nonlinear convergence ADUVA can help significantly suppress vibration caused by excitation...

article

Effect of substituent groups (R= ?CH₃, ?Br and ?CF₃) on the structure, stability and redox property of [Cr(R-pic)₂(H₂O)₂]NO₃.H₂O complexes

J. Chai, Y. Liu, B. Liu, B. Yang

Journal of Molecular Structure > 2017 > 1150 > Complete > 307-315

Complexes [Cr(3-CH₃-pic)₂(H₂O)₂]NO₃.H₂O (1), [Cr(5-Br-pic)₂(H₂O)₂]NO₃.H₂O (2) and [Cr(5-CF₃-pic)₂(H₂O)₂]NO₃.H₂O (3) were synthesized (pic = pyridine-2-carboxylic acid) and characterized by X-ray crystal diffraction. Crystal structure indicates that two bidentate ligands occupy equatorial position and two H₂O occupy axial positions in trans-configuration. (i) Decomposition of complexes 1, 2 and 3 in...

article

Molecular dynamics simulations for responses of nanotwinned diamond films under nanoindentation

C. Huang, X. Peng, B. Yang, Y. Zhao, more

Ceramics International > 2017 > 43 > 18 > 16888- 16894

We performed molecular dynamics (MD) simulations for the responses of single crystal (SC) and nanotwinned (nt) diamond films under nanoindentation, respectively, aimed to uncover the effects of twin boundary (TB) and twin thickness (δ) on hardness (H) and the corresponding deformation mechanisms. We found the Hall-Petch type relationship between H and δ. We also found that the inelastic deformation...

article

Effect of Mn-doping on dielectric relaxation behavior of Pb(In₁_/₂Nb₁_/₂)O₃-Pb(Mg₁_/₃Nb₂_/₃)O₃-PbTiO₃ ferroelectric ceramics

X. Qi, E. Sun, R. Zhang, B. Yang, more

Ceramics International > 2017 > 43 > 18 > 16819- 16826

The phase transition characteristics, dielectric relaxation behavior, and ferroelectric hysteresis in undoped and Mn-doped 0.24Pb(In₁_/₂Nb₁_/₂)O₃-0.42Pb(Mg₁_/₃Nb₂_/₃)O₃-0.34PbTiO₃ (24PIN-42PMN-34PT) ternary ceramics have been investigated. The degree of diffuse phase transition (DPT) is enhanced by the addition of manganese due to the disorder-enhanced structure. The temperature dependence of the dielectric...

article

Molecular dynamics simulation in single crystal 3C-SiC under nanoindentation: Formation of prismatic loops

S. Sun, X. Peng, H. Xiang, C. Huang, more

Ceramics International > 2017 > 43 > 18 > 16313- 16318

We investigate the formation mechanism of prismatic loops in a 3C-SiC single crystal subjected to nanoindentations on its (111) and (110) surface with a fictitious spherical indenter using molecular dynamics simulation. On the (111) surface, the simulated plastic deformation proceeds with the nucleation and expansion of shear loops, which react with each other to form prismatic loops eventually. Further...

article

Host-guest inclusion system of glycyrrhetic acid with polyamine-β-cyclodextrin: Preparation, characterization, and anticancer activity

Z. Shen, Q. Qin, X. Liao, B. Yang

Journal of Molecular Structure > 2017 > 1149 > Complete > 155-161

The inclusion complexation behaviors of glycyrrhetic acid (CTA) with four polyamine-modified β-cyclodextrins (CDs) have been investigated by ¹H and 2D NMR, thermal gravimetric analysis, X-ray power diffraction and scanning electron microscopy. The results showed that Glycyrrhetic acid was encapsulated into the cavity of cyclodextrin to form the complexes with 1:1 stoichiometry. The water solubility...

article

Salubrinal protects human skin fibroblasts against UVB-induced cell death by blocking endoplasmic reticulum (ER) stress and regulating calcium homeostasis

C. Ji, B. Yang, S.y. Huang, J.w. Huang, more

Biochemical and Biophysical Research Communications > 2017 > 493 > 4 > 1371-1376

The role of UVB in skin photo damages has been widely reported. Overexposure to UVB will induce severe DNA damages in epidermal cells and cause most cytotoxic symptoms. In the present study, we tested the potential activity of salubrinal, a selective inhibitor of Eukaryotic Initiation Factor 2 (eIF2) -alpha phosphatase, against UV-induced skin cell damages. We first exposed human fibroblasts to UVB...

article

Surface radical chain-transfer reaction in deep eutectic solvents for preparation of silica-grafted stationary phases in hydrophilic interaction chromatography

B. Yang, T. Cai, Z. Li, M. Guan, more

Talanta > 2017 > 175 > Complete > 256-263

In this paper, deep eutectic solvents (DESs) were firstly used as new and green solvents for the preparation of polymer-grafted silica stationary phases. 1-Vinylimidazole and acrylic acid were homopolymerized and copolymerized on silica via surface radical chain-transfer reaction in the DESs. Three stationary phases including poly(1-vinylimidazole)-, poly(acrylic acid)-, poly(1-vinylimidazole-co-acrylic...

article

Magnetron sputtered ZnO buffer layer for Sb₂Se₃ thin film solar cells

X. Wen, Y. He, C. Chen, X. Liu, more

Solar Energy Materials and Solar Cells > 2017 > 172 > Complete > 74-81

Sb₂Se₃ possesses great potential for low-cost photovoltaics due to its excellent optoelectronic properties. CdS was typically used as electron collection layer due to high electron affinity, relatively high electron mobility, and environmental stability. However, the toxicity was a big issue restricting its development. Here we fabricate ZnO films by magnetron sputtering to replace the toxic CdS layer...

article

Improved delay-dependent stability criteria for generalized neural networks with time-varying delays

B. Yang, J. Wang, X. Liu

Information Sciences > 2017 > 420 > Complete > 299-312

This paper is concerned with the problem of stability analysis for generalized neural networks with time-varying delays. A novel integral inequality which includes several existing inequalities as special cases is presented. By employing a suitable Lyapunov-Krasovskii functional (LKF) and using the proposed integral inequality to estimate the derivative of the LKF, improved delay-dependent stability...

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INFONA - science communication portal

Search results for: B. Yang

Improved analysis of anthocyanins and vitamin C in blue-purple potato cultivars

Structure characterisation of polysaccharides in vegetable ''okra'' and evaluation of hypoglycemic activity

Rotation invariants from Gaussian-Hermite moments of color images

The enhancement of CdS photocatalytic activity for water splitting via anti-photocorrosion by coating Ni₂P shell and removing nascent formed oxygen with artificial gill

Pharmacological activation of the Nrf2 pathway by 3H-1, 2-dithiole-3-thione is neuroprotective in a mouse model of Alzheimer disease

Shock-induced stacking fault pyramids in Ni/Al multilayers

A dual amplification strategy for ultrasensitive detection of microRNA

Antifouling composites with self-adaptive controlled release based on an active compound intercalated into layered double hydroxides

Parametric investigation the particle number and mass distributions characteristics in a diesel/natural gas dual-fuel engine

Experimental and numerical investigation of heat transfer in an array of impingement jets on a concave surface

Nonlinear convergence active vibration absorber for single and multiple frequency vibration control

Effect of substituent groups (R= ?CH₃, ?Br and ?CF₃) on the structure, stability and redox property of [Cr(R-pic)₂(H₂O)₂]NO₃.H₂O complexes

Molecular dynamics simulations for responses of nanotwinned diamond films under nanoindentation

Effect of Mn-doping on dielectric relaxation behavior of Pb(In₁_/₂Nb₁_/₂)O₃-Pb(Mg₁_/₃Nb₂_/₃)O₃-PbTiO₃ ferroelectric ceramics

Molecular dynamics simulation in single crystal 3C-SiC under nanoindentation: Formation of prismatic loops

Host-guest inclusion system of glycyrrhetic acid with polyamine-β-cyclodextrin: Preparation, characterization, and anticancer activity

Salubrinal protects human skin fibroblasts against UVB-induced cell death by blocking endoplasmic reticulum (ER) stress and regulating calcium homeostasis

Surface radical chain-transfer reaction in deep eutectic solvents for preparation of silica-grafted stationary phases in hydrophilic interaction chromatography

Magnetron sputtered ZnO buffer layer for Sb₂Se₃ thin film solar cells

Improved delay-dependent stability criteria for generalized neural networks with time-varying delays

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