74 Result(s)
within
**ao-Qing Ren
English
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Article
Can TMS and DSS be used as NMR references for cyclodextrin species in aqueous solution?
Tetramethylsilane (TMS) can be included by β-cyclodextrin (β-CD), and sodium 2,2-dimethylsilapentane-5-sulphonate (DSS) can form inclusion complexes with β- and γ-CD. The NMR chemical shifts are changed consid...
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Article
A study of vitamin A as a probe in critical micelle concentration determinations of surfactants
The critical micelle concentrations (CMC) of some sodium alkyl sulfates (SNS, SdS, SDS, STS, and SHS), sodium dodecyl sulfonate (SDSO), CTAB and Triton X-100 were determined by measuring both the absorbance an...
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Article
Inclusion complexation of sodium alkyl sulfates withβ-cyclodextrin. A1H NMR study
The association of anionic surfactants,viz., sodium alkyl sulfates, C n H2n+1OSO3Na (n=5, 6, 7, 8, 9, 10, 12), withβ-cyclodextrin has been investigated by means of NMR spectrosco...
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Article
Spatial and temporal synthesized probability gain for middle and long-term earthquake forecast and its preliminary application
The principle of middle and long-term earthquake forecast model of spatial and temporal synthesized probability gain and the evaluation of forecast efficiency (R-values) of various forecast methods are introduced...
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Article
A new method for comprehensive division of mountainous area: taking Huaihua City as an example
This paper summarizes principles and measures of comprehensive division of mountainous areas, as well as clarifies meaning, structure, function and path established for the map and file information visibility ...
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Article
Study and review on crust-mantle velocity structure in Bohai Bay and its vicinity
Observational data from some of the 10-odd deep seismic sounding profiles in Bohai Bay and its adjacent areas were processed with the methods of two-dimensional ray tracing, travel-time fitting and synthetic s...
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Article
Open AccessUnique physiological and pathogenic features of Leptospira interrogans revealed by whole-genome sequencing
Leptospirosis is a widely spread disease of global concern. Infection causes flu-like episodes with frequent severe renal and hepatic damage, such as haemorrhage and jaundice. In more severe cases, massive pul...
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Article
Application of non-stationary Poisson model prediction on seismic belts in northwestern of China
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Article
Effect of stand and tree attributes on growth and wood quality characteristics from a spacing trial with Populus xiaohei
The effect of stand density (1000 stems/ha, 500 stems/ha and 250 stems/ha) on tree growth and wood quality characteristics was studied in a 27-year-old plantation species of Populus xiaohei in China. Results indi...
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Article
Design and fabrication of InP micro-ring resonant detectors
The quantum efficiency and the transient response of the InP semiconductor micro-ring resonant detector are analyzed to get the optimum design parameters. Then the side coupling micro-ring resonant is fabricat...
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Article
Surface deterioration of moso bamboo (Phyllostachys pubescens) induced by exposure to artificial sunlight
The effect of ultraviolet-visible light irradiation on changes in surface chemistry and morphology of moso bamboo (Phyllostachys pubescens Mazel) was investigated. Fourier transform infrared (FT-IR) and FT-Raman ...
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Article
Identification of α-d-glucose-1-phosphate cytidylyltransferase involved in Ebosin biosynthesis of Streptomyces sp. 139
Ebosin, a novel exopolysaccharide produced by Streptomyces sp. 139 has antagonist activity for IL-1R in vitro and remarkable anti-rheumatic arthritis activity in vivo. Its biosynthesis gene cluster (ste) has been...
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Article
Detection of the pine wood nematode using a real-time PCR assay to target the DNA topoisomerase I gene
A species-specific real-time PCR assay targeting the DNA topoisomerase I gene has been developed to detect Bursaphelenchus xylophilus. The specificity of the assay was confirmed by the lack of amplification of ge...
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Article
Genome-wide association study for vitiligo identifies susceptibility loci at 6q27 and the MHC
Youwen Zhou and Xue-Jun Zhang and colleagues report a genome-wide association study of generalized vitiligo, a common autoimmune disorder characterized by loss of melanocytes and depigmentation. The authors id...
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Article
Genome-wide association study of esophageal squamous cell carcinoma in Chinese subjects identifies a susceptibility locus at PLCE1
Li Dong Wang and colleagues report a genome wide association study for esophageal squamous cell carcinoma in the Chinese population. They identify two risk loci at PLCE1 and C20orf54.
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Article
Association analyses identify six new psoriasis susceptibility loci in the Chinese population
Xue-Jun Zhang and colleagues report genome-wide association analyses identifying six new susceptibility loci in the Chinese population.
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Article
Hydrogen absorption behavior of TA15 alloy
The hydrogen absorption kinetics of TA15 titanium alloy at 973–1123 K was studied using a tube-type hydrogen treatment furnace. The hydrogen absorption kinetic curves obtained were analyzed according to a seri...
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Article
Open AccessACS6, a Hydrogen sulfide-donating derivative of sildenafil, inhibits homocysteine-induced apoptosis by preservation of mitochondrial function
The hydrogen sulfide-releasing sildenafil, ACS6, has been demonstrated to inhibit superoxide formation through donating hydrogen sulfide (H2S). We have found that H2S antagonizes homocysteine-induced oxidative st...
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Article
Inhibition of Endogenous Hydrogen Sulfide Generation is Associated with Homocysteine-Induced Neurotoxicity: Role of ERK1/2 Activation
Both elevated homocysteine and decreased hydrogen sulfide (H2S) are observed in the brains of Alzheimer’s disease (AD) patients. Reactive oxygen species (ROS) overproduction contributes to the neurotoxicity of ho...
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Article
Endogenous Hydrogen Sulfide is Involved in Asymmetric Dimethylarginine-induced Protection Against Neurotoxicity of 1-Methyl-4-phenyl-pyridinium Ion
Asymmetric dimethylarginine (ADMA), an endogenous nitric oxide synthase (NOS) inhibitor, is profoundly protective against 1-methy-4-phenylpyridinium ion (MPP+)-induced neurotoxicity. Reactive oxygen species (ROS)...
