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Article
Variations of the spring precipitation day numbers reconstructed from tree rings in the Urumqi River drainage, Tianshan Mts. over the last 370 years
The tree-ring cores of Tianshan spruces col lected from nine sites in the Urumqi River drainage of the middle Tianshan Mountains were used to establish three types of the tree-ring width chronologies over the ...
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Article
Preparation and characterization of poly (styrene/maleic anhydride)/ kaolin nanocomposites
The direct exfoliation of in situ intercalative copolymerized styrene/maleic anhydride charge-transfercomplex (PSMA) into the inter lamellar spaces of modified kaolin (Kao-DMSO), which was intercalated and surfac...
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Article
A BAC clone of MDV strain GX0101 with REV-LTR integration retained its pathogenicity
The complete genome of Marek’s disease virus (MDV) strain GX0101, which was integrated with the LTR sequences of REV, was cloned in Escherichia coli as a bacterial artificial chromosome (BAC). BAC vector sequence...
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Article
Variations of geochemical compositions and the paleoclimatic significance of a loess-soil sequence from Garzê County of western Sichuan Province, China
The West Sichuan Plateau is located in the southeast margin of the Tibetan Plateau, where the climate is mainly influenced by the Indian southwest summer monsoon and the Tibetan Plateau monsoon. In this study,...
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Article
Open AccessInduction-dependent neural marker expression and electrophysiological characteristics of bone marrow mesenchymal stem cells that naturally express high levels of nestin
Under certain experimental conditions, bone marrow mesenchymal stem cells (MSCs) express neuronal phenotypes and neuronal markers, which suggests that they could be used to treat various neurological diseases....
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Article
Open AccessStalagmite-inferred Holocene precipitation in northern Guizhou Province, China, and asynchronous termination of the Climatic Optimum in the Asian monsoon territory
An absolute-dated, bi-decadal-resolution, stalagmite oxygen-isotopic time series from Shigao Cave reveals the evolution of summer monsoon precipitation over the past 9.9 ka BP in northern Guizhou Province, Sou...
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Article
Open AccessHIF-1-modified BMSCs improve migration and reduce neuronal apoptosis after stroke in rats
Bone marrow-derived mesenchymal stem cells (BMSCs) have been demonstrated ameliorating neurologic deficits after stroke. Hypoxia-inducible factor-1 (HIF-1), the key regulator of cellular responses to low oxygen c...
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Article
GaN-based substrates and optoelectronic materials and devices
In order to solve the problems of GaN heteroepitaxy on sapphire substrate, some techniques were explored. Freestanding GaN substrates have been made by hydride vapor phase epitaxy (HVPE), laser lift-off (LLO),...
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Article
Bridging the gap on the southward dispersal route of agriculture in China: new evidences from the Guodishan site, Jiangxi province
The southward spread of agriculture in China has long been regarded as a hot topic worldwide, as it is closely related to the further dispersal of farming into Southeast Asia and beyond. However, the absence o...