Xiaomin Yang

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The use of plant biomass for biofuel production will require efficient utilization of the sugars in lignocellulose, primarily glucose and xylose. However, strains of Saccharomyces cerevisiae presently used in bioethanol production ferment glucose but not xylose. Yeasts engineered to ferment xylose do so slowly, and cannot utilize xylose until glucose is(More)
BACKGROUND The clinical phenotype of both hypertrophic cardiomyopathy (HCM) and left ventricular hypertrophy (LVH) induced by hypertension is heterogeneous. Genetic factors may contribute to this heterogeneity. Evidence is accumulating that the peroxisome proliferator-activated receptor-gamma coactivator-1alpha (PGC-1alpha) gene plays a role in cardiac(More)
Glucose repression is one of the main limitations in mixed lignocellulosic sugar fermentation for cost-effective production of fuels and chemicals. Here we report a novel strategy to overcome glucose repression by co-expressing a cellobiose transporter and a β-glucosidase in an engineered d-xylose-utilizing Saccharomyces cerevisiae strain. The resulting(More)
OBJECTIVES Peripheral arterial disease (PAD) is associated with morbidity and mortality of coronary heart disease and stroke. Hypertension is an independent risk factor for peripheral arterial disease. However, the prevalence and risk factors of PAD in hypertensive patients have not been studied in China. METHODS In order to investigate the prevalence of(More)
Multifunctional nanosheets (HA-GO/Pluronic) with targeted chemo-photothermal properties were successfully developed for controlled delivery of mitoxantrone (MIT) to overcome multidrug resistance (MDR). In vitro release profiles displayed that both an acidic environment and a NIR laser could trigger and accelerate the release of a drug, which ensured(More)
The persistent terrestrial carbon sink regulates long-term climate change, but its size, location, and mechanisms remain uncertain. One of the most promising terrestrial biogeochemical carbon sequestration mechanisms is the occlusion of carbon within phytoliths, the silicified features that deposit within plant tissues. Using phytolith content-biogenic(More)
BACKGROUND Tuberculosis (TB) is a serious public health problem in China, and within China, Inner Mongolia has a high prevalence area of TB. Though studies on the genetic diversity of Mycobacterium tuberculosis (MTB) have been reported in many provinces, there are no such studies to date in Inner Mongolia. In this study, we investigated the genetic(More)
Recent laboratory-scale studies strongly suggested an advantage to operating air-sparging systems in a pulsed mode; however, little definitive field data existed to support the laboratory-scale observations. This study aimed to evaluate the performance of a field-scale pulsed air-sparging system during a short-term pilot test and during long-term system(More)
BACKGROUND The development of peripheral arterial disease (PAD) is heterogeneous even in the presence of similar risk factors. Our aim was to determine whether inter-individual differences in leukocyte telomere length contribute to the susceptibility of PAD. METHODS A total of 485 patients with PAD (defined by the ankle-brachial index) and 970 age- and(More)
Proposed method – Improvement of spatial resolution of video • Use of sliding window in registration • Registration algorithm – Use of Four-parameter transformation model through Taylor series expansion – Iterative solving method – Gaussian pyramid image model • Reconstruction algorithm – Use of iterative back projection algorithm