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Tuning the Slide-Roll Motion Mode of Carbon Nanotubes via Hydroxyl Groups

graduate student in the University of Science and Technology Beijing; Qing Peng is a research fellow in University of Michigan, Ann Arbor. Competing Interests The authors declare that they have no competing

Synthesis of phosphatidylcholine in rats with oleic acid-induced pulmonary edema and effect of exogenous pulmonary surfactant on its De Novo synthesis

support to this study. 11 / 13 Author Contributions Conceptualization: Peiyu Qian, Weijun Hong, Qing Peng, Min Xue. Data curation: Xiwen Gao, Peiyu Qian, Dong Cen, Weijun Hong, Qing Peng, Min Xue. Formal ... analysis: Peiyu Qian, Weijun Hong, Qing Peng, Min Xue. Funding acquisition: Xiwen Gao. Investigation: Peiyu Qian, Dong Cen, Weijun Hong, Qing Peng, Min Xue. Methodology: Xiwen Gao, Weijun Hong, Qing Peng

Joint beamforming and power control algorithm for cognitive MIMO broadcast channels via game theory

Qing Peng 2 0 Equal contributors 1 Library of Guilin University of Electronic Technology , Jinji Road, Guilin 541004 , China 2 Guangxi Key Laboratory of Wireless Wideband Communication and Signal

Histone deacetylase inhibitor SAHA attenuates post-seizure hippocampal microglia TLR4/MYD88 signaling and inhibits TLR4 gene expression via histone acetylation

Background Epilepsy is a common neurological disorder characterized by recurrent unprovoked seizures. Seizure-induced TLR4/MYD88 signaling plays a critical role in activating microglia and triggering neuron apoptosis. SAHA is a histone deacetylase inhibitor that regulates gene expression by increasing chromatin histone acetylation. In this study, we investigated the role of SAHA...

Insights into long noncoding RNAs of naked mole rat (Heterocephalus glaber) and their potential association with cancer resistance

Background Long noncoding RNAs (lncRNAs) are a class of ubiquitous noncoding RNAs and have been found to act as tumor suppressors or oncogenes, which dramatically altered our understanding of cancer. Naked mole rat (NMR, Heterocephalus glaber) is an exceptionally long-lived and cancer-resistant rodent; however, whether lncRNAs play roles in cancer resistance in this seductive...

Synthesis of palladium and palladium sulfide nanocrystals via thermolysis of a Pd–thiolate cluster

A novel one-pot approach to synthesize the tiara-like Pd(II) thiolate complex compound, [Pd(SCH3)2]6 was developed. In this strategy, dimethyl sulfoxide (DMSO) was used as a thiolate source instead of methyl mercaptan (CH3SH). DMSO was first decomposed into CH3SH and formaldehyde (HCHO); then, the in situ as-formed CH3SH molecules reacted with palladium acetate, and formed [Pd...

Comparison of Risk Factor between Lacunar Stroke and Large Artery Atherosclerosis Stroke: A Cross-Sectional Study in China

Background Stroke is the second most common cause of mortality in China. Although most subtypes of ischemic stroke share similar risk factors, they have different etiologies. Our study aimed to evaluate the different risk factor profiles between the stroke subtypes, lacunar infarcts (LI) and large-artery atherosclerosis (LAA), and clarify the characteristics of current acute...

Spontaneous thoracic ventral spinal subdural hematoma mimicking a tumoral lesion: a case report

Introduction Spinal subdural hematoma is rare and can cause serious neurological symptoms. Sometimes, idiopathic spinal subdural hematoma can spontaneously occur without any identifiable underlying etiologies. In this report, we present such an uncommon case of paraplegia caused by idiopathic spinal subdural hematoma that was successfully managed by laminectomy. Case presentation...

A Genome-Wide Scan Reveals Important Roles of DNA Methylation in Human Longevity by Regulating Age-Related Disease Genes

It is recognized that genetic factors contribute to human longevity. Besides the hypothesis of existence of longevity genes, another suggests that a lower frequency of risk alleles decreases the incidence of age-related diseases in the long-lived people. However, the latter finds no support from recent genetic studies. Considering the crucial role of epigenetic modification in...

New materials graphyne, graphdiyne, graphone, and graphane: review of properties, synthesis, and application in nanotechnology

New materials graphyne, graphdiyne, graphone, and graphane: review of properties, synthesis, and application in nanotechnology Qing Peng,1 Albert K Dearden,2 Jared Crean,1 Liang Han,1 Sheng Liu,3

Isolation of a novel alkaline-stable lipase from a metagenomic library and its specific application for milkfat flavor production

Background Lipolytic enzymes are commonly used to produce desired flavors in lipolyzed milkfat (LMF) manufacturing processes. However, the choice of enzyme is critical because it determines the final profile of fatty acids released and the consequent flavor of the product. We previously constructed a metagenomic library from marine sediments, to explore the novel enzymes which...

Mitochondrial DNA Content Contributes to Climate Adaptation Using Chinese Populations as a Model

Maintaining a balance between ATP synthesis and heat generation is crucial for adapting to changes in climate. Variation in the mitochondrial DNA (mtDNA), which encodes 13 subunits of the respiratory chain complexes, may contribute to climate adaptation by regulating thermogenesis and the use of bioenergy. However, studies looking for a relationship between mtDNA haplogroups and...

Nanocrystalline intermetallics and alloys

Nanocrystalline intermetallics and alloys are novel materials with high surface areas which are potential low-cost and high-performance catalysts. Here, we report a general approach to the synthesis of a large variety of nanocrystalline intermetallics and alloys with controllable composition, size, and morphology: these include Au-, Pd-, Pt-, Ir-, Ru-, and Rh-based bi- or tri...

Variability of warfarin dose response associated with CYP2C9 and VKORC1 gene polymorphisms in Chinese patients

Objective To investigate the prevalence and implication of cytochrome P450, family 2, subfamily C, polypeptide 9 (CYP2C9) variants and vitamin K epoxide reductase complex, subunit 1 (VKORC1)-1639 G > A polymorphisms in Chinese patients receiving warfarin therapy.

Preparation of monodisperse Se colloid spheres and Se nanowires using Na2SeSO3 as precursor

Liping Liu 0 Qing Peng 0 Yadong Li 0 0 Department of Chemistry, Tsinghua University , Beijing 100084, China Nearly monodisperse spherical amorphous Se colloids are prepared by the dismutation of

Surface active sites on Co3O4 nanobelt and nanocube model catalysts for CO oxidation

CO oxidation has been performed on Co3O4 nanobelts and nanocubes as model catalysts. The Co3O4 nanobelts which have a predominance of exposed {011} planes are more active than Co3O4 nanocubes with exposed {001} planes. Temperature programmed reduction of CO shows that Co3O4 nanobelts have stronger reducing properties than Co3O4 nanocubes. The essence of shape and crystal plane...

Existence of Prophenoloxidase in Wing Discs: A Source of Plasma Prophenoloxidase in the Silkworm, Bombyx mori

In insects, hemocytes are considered as the only source of plasma prophenoloxidase (PPO). PPO also exists in the hemocytes of the hematopoietic organ that is connected to the wing disc of Bombyx mori. It is unknown whether there are other cells or tissues that can produce PPO and release it into the hemolymph besides circulating hemocytes. In this study, we use the silkworm as a...

A novel esterase gene cloned from a metagenomic library from neritic sediments of the South China Sea

Background Marine microbes are a large and diverse group, which are exposed to a wide variety of pressure, temperature, salinity, nutrient availability and other environmental conditions. They provide a huge potential source of novel enzymes with unique properties that may be useful in industry and biotechnology. To explore the lipolytic genetic resources in the South China Sea...

Deciphering the Signature of Selective Constraints on Cancerous Mitochondrial Genome

In accordance with the hypothesis that cancer formation is a process of somatic evolution driven by natural selection, signature of positive selection has been detected on a number of cancer-related nuclear genes. It remains, however, controversial whether a similar selective pressure has also acted on mitochondrial DNA (mtDNA), a small molecule in mitochondrion that may play an...

Hydrothermal synthesis of orthorhombic LiMnO2 nano-particles and LiMnO2 nanorods and comparison of their electrochemical performances

Orthorhombic LiMnO2 nanoparticles and LiMnO2 nanorods have been synthesized by hydrothermal methods. LiMnO2 nanoparticles were synthesized by simple one-step hydrothermal method. To obtain rod-like LiMnO2, γ-MnOOH nanorods were first synthesized and then the H+ ions were completely replaced by Li+ resulting in LiMnO2 nanorods. Their electrochemical performances were thoroughly...