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Residue analysis and persistence evaluation of fipronil and its metabolites in cotton using high-performance liquid chromatography-tandem mass spectrometry

A simple residue analytical method based on the QuEChERS approach and high-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) detection was developed for the analysis of fipronil and its three metabolites in cottonseed, cotton plant and soil. The average recoveries of four test compounds from all three matrices were 78.6–108.9% at the level of 0.005 to 0.5 mg...

State of Charge Dependent Mechanical Integrity Behavior of 18650 Lithium-ion Batteries

Jun Xu in:Nature Research journals • PubMed • Google ScholarSearch for Binghe Liu in:Nature Research journals • PubMed • Google ScholarSearch for Dayong Hu in:Nature Research journals • PubMed • Google

The clinical efficacy and safety evaluation of ticagrelor for acute coronary syndrome in general ACS patients and diabetic patients: A systematic review and meta-analysis

Objective In this study, a systematic evaluation was conducted to estimate the efficacy and safety of ticagrelor for treating acute coronary syndrome (ACS) in general ACS patients and a diabetes mellitus (DM) group. Methods A search of PubMed, Cochrane Central Register of Controlled Trials, Web of Science, CNKI databases was conducted to analyze relevant randomized controlled...

Efficacy and safety of pemetrexed on recurrent primary central nervous system lymphomas in China: a prospective study

Shizhen Zhou,2 Xiuhua Wang,2 Jun Xu,2 Rongjie Tao2 1School of Medicine and Life Sciences, University of Jinan, Shandong Academy of Medical Sciences, 2Department of Neurosurgery, Shandong Cancer Hospital

Initial response of fish trophic niche to hydrological alteration in the upstream of Three Gorges Dam

Introduction Damming is one of the dramatic impacts to river food webs due to habitat fragmentation and changes in the hydrological regimes. The world’s largest dam, the Three Gorges Dam (TGD), has been constructed in the middle of Yangtze River since 2003. The objective of this study was to understand the effects of altered hydrological regime on the trophic structure of fish...

Evaporation kinetics of surfactant solution droplets on rice (Oryza sativa) leaves

The dynamics of evaporating sessile droplets on hydrophilic or hydrophobic surfaces is widely studied, and many models for these processes have been developed based on experimental evidence. However, few research has been explored on the evaporation of sessile droplets of surfactant or pesticide solutions on target crop leaves. Thus, in this paper the impact of surfactant...

Comprehensive Weighted Clique Degree Ranking Algorithms and Evolutionary Model of Complex Network

This paper analyses the degree ranking (DR) algorithm, and proposes a new comprehensive weighted clique degree ranking (CWCDR) algorithms for ranking importance of nodes in complex network. Simulation results show that CWCDR algorithms not only can overcome the limitation of degree ranking algorithm, but also can find important nodes in complex networks more precisely and...

Comprehensive Weighted Clique Degree Ranking Algorithms and Evolutionary Model of Complex Network

This paper analyses the degree ranking (DR) algorithm, and proposes a new comprehensive weighted clique degree ranking (CWCDR) algorithms for ranking importance of nodes in complex network. Simulation results show that CWCDR algorithms not only can overcome the limitation of degree ranking algorithm, but also can find important nodes in complex networks more precisely and...

IL-25-induced activation of nasal fibroblast and its association with the remodeling of chronic rhinosinusitis with nasal polyposis

. Investigation: Sun-Hee Yeon, Ki-Sang Rha, Yong-Min Kim. Methodology: Sun-Hee Yeon, Jun Xu. Project administration: Soo-Kyoung Park, Yong-De Jin, Yeong-Kyu Park, Ki-Sang Rha, Yong-Min Kim. Resources: Sun-Hee ... Yeon, Jun Xu, Rui-Ning Han. 19 / 23 Software: Jun Xu, Rui-Ning Han. Supervision: Jun Xu, Rui-Ning Han, Yong-Min Kim. Validation: Yong-De Jin, Yeong-Kyu Park, Jun Xu, Ki-Sang Rha. Visualization: Soo

Hypermethylation of secreted frizzled-related proteins predicts poor prognosis in non-M3 acute myeloid leukemia

,1,2 Cui An,4 Wei Zhang,2,3 Zi-jun Xu,1,2 Jiang Lin,1,2 Jun Qian2,3 1Laboratory Center, Affiliated People’s Hospital of Jiangsu University, 2The Key Lab of Precision Diagnosis and Treatment of Zhenjiang

Mesenchymal stromal cell treatment prevents H9N2 avian influenza virus-induced acute lung injury in mice

Background The avian influenza virus (AIV) can cross species barriers and expand its host range from birds to mammals, even humans. Avian influenza is characterized by pronounced activation of the proinflammatory cytokine cascade, which perpetuates the inflammatory response, leading to persistent systemic inflammatory response syndrome and pulmonary infection in animals and...

Comparison of different inspiratory triggering settings in automated ventilators during cardiopulmonary resuscitation in a porcine model

Background Mechanical ventilation via automated in-hospital ventilators is quite common during cardiopulmonary resuscitation. It is not known whether different inspiratory triggering sensitivity settings of ordinary ventilators have different effects on actual ventilation, gas exchange and hemodynamics during resuscitation. Methods 18 pigs enrolled in this study were...

Strain Rate and Anisotropic Microstructure Dependent Mechanical Behaviors of Silkworm Cocoon Shells

Silkworm cocoons are multi-layered composite structures comprised of high strength silk fiber and sericin, and their mechanical properties have been naturally selected to protect pupas during metamorphosis from various types of external attacks. The present study attempts to gain a comprehensive understanding of the mechanical properties of cocoon shell materials from wild...

Leveraging syntactic and semantic graph kernels to extract pharmacokinetic drug drug interactions from biomedical literature

Background Information about drug–drug interactions (DDIs) supported by scientific evidence is crucial for establishing computational knowledge bases for applications like pharmacovigilance. Since new reports of DDIs are rapidly accumulating in the scientific literature, text-mining techniques for automatic DDI extraction are critical. We propose a novel approach for automated...

Autocrine parathyroid hormone-like hormone promotes intrahepatic cholangiocarcinoma cell proliferation via increased ERK/JNK-ATF2-cyclinD1 signaling

Intrahepatic cholangiocarcinoma (ICC) is an aggressive tumor with a high fatality rate. It was recently found that parathyroid hormone-like hormone (PTHLH) was frequently overexpressed in ICC compared with non-tumor tissue. This study aimed to elucidate the underlying mechanisms of PTHLH in ICC development. The CCK-8 assay, colony formation assays, flow cytometry and a xenograft...

Transition of Carrier Transport Behaviors with Temperature in Phosphorus-Doped Si Nanocrystals/SiO2 Multilayers

High-conductive phosphorus-doped Si nanocrystals/SiO2(nc-Si/SiO2) multilayers are obtained, and the formation of Si nanocrystals with the average crystal size of 6 nm is confirmed by high-resolution transmission electron microscopy and Raman spectra. The temperature-dependent carrier transport behaviors of the nc-Si/SiO2 films are systematically studied by which we find the shift...

Defective autophagy leads to the suppression of stem-like features of CD271 + osteosarcoma cells

Background As an important stress-response mechanism, autophagy plays crucial role in the tumor formation and drug resistance of cancer cells including osteosarcoma (OS). OS cancer stem cells (CSCs) also are considered a key factor of tumorigenesis, drug resistance and tumor recurrence. However, the relationship between autophagy and OS CSCs still remains unclear. Methods CD271...

Comparison of single and dual growing rods in the treatment of early onset scoliosis: a meta-analysis

Background The growing rod technique was applied in the treatment of early onset scoliosis (EOS) with promising outcomes and many complications at the same time. We reviewed data from literatures to compare the results of single growing rods with dual growing rods to achieve a clear understanding of this technique. Methods PubMed, Embase, MEDLINE, ScienceDirect, CNKI, Wanfang...

Dynamical effects of spin-dependent interactions in low- and intermediate-energy heavy-ion reactions

It is well known that noncentral nuclear forces, such as the spin–orbital coupling and the tensor force, play important roles in understanding many interesting features of nuclear structures. However, their dynamical effects in nuclear reactions are poorly known because only the spin-averaged observables are normally studied both experimentally and theoretically. Realizing that...