bluuebunny/crossref_metadata_2025_split huggingface dataset:
Experimental Study On The Root-Soil Friction Mechanical of Typical Grasses With Soil Moisture In Purple Soil Bunds
Authors: Gan Fengling , Wei Jie , Li Shasha 
Published: September 2021

Abstract
[Aims] Bunds composed of plants with strong root systems have become one of the most important soil conservation measures for controlling soil erosion on sloping farmlands in the Three Gorges Reservoir area. In order to measure the friction characteristics of the root-soil interfaces to screen grasses for use in bunds to provide optimal soil bund protection. [Methods] The influences of interface, soil moisture and vertical load were examined by using direct shear friction and pull-out friction tests in the study. [Results] The results support the following conclusions. i) Friction characteristics were lower at interfaces in bulk soils than at root-soil interfaces. Direct friction characteristics were higher at the root-soil interface for goosegrass than other plants tested in this study. ii) The roots of grasses can substantially improve the soil shear strength under conditions of low (5%) and high soil moisture (25%). The relationships between friction characteristics and soil moisture can be described by binomial functions. iii) The constitutive relationship between the shear strength at the root-soil interface and vertical load can be described by a hyperbolic model that satisfies the Mohr-Coulomb criterion. The maximum pulling resistance was in the following order: goosegrass > barnyard grass > crabgrass. [Conclusions] Among the three grasses tested, the goosegrass root system has a highest resistance to deformation capability for soil conservation. These results can be used as references for understanding and controlling the friction characteristics and collapse of soil bunds in the Three Gorges Reservoir area.
The Analysis of Corneal Asphericity and its Related Factors in Cataract Patients
Authors: Li Chen , Lu Peirong 
Published: September 2021

Abstract
Purpose: To determine the corneal asphericity and its related factors in cataract patients.Methods: This study enrolled 121 eligible eyes of 121 cataract patients. The corneal Q values of anterior and posterior surface were measured in the central 3.0, 4.0, 5.0, and 6.0 mm zone using the Sirius System. Age, gender, and corneal higher-order aberrations (HOAs) were recorded. Comparison of preoperative and postoperative Q value was conducted in 103 eyes of 103 patients three months after surgery.Results: The Q value of the anterior corneal surface at 6.0 mm zone and the posterior surface in 3.0, 4.0, 5.0, and 6.0 mm zone were statistically significant across the different age groups. The Q value of the posterior surfaces in 3.0, 4.0, 5.0, and 6.0 mm zone was statistically significant between the male and the female groups. The Q values of the anterior corneal surface in the 6.0 mm zone were positively correlated with Z40 cornea, Z40 CF, Z33,-3 CF, and total corneal HOAs; While the Q value of the posterior surface in the 6.0 mm zone were negatively correlated with Z31,-1 cornea, Z33,-3 cornea, Z33,-3 CF, Z31,-1CB, Z40 CB, and total corneal HOAs. Besides, no significant change was found in corneal Q value 3 months after surgery.Conclusion: There were great individual differences between the corneal asphericity of the cataract patients. Age, sex, and HOAs seemed to be correlated with the corneal asphericity. The preoperative Q value can be used as one of the parameters for personalized selection of intraocular lens.
Toward Controllable Quantum Transports and Novel Magnetic States in Eu1–xSrxMnSb2
Authors: Zhang Qiang , Liu Jinyu , Cao Huibo , Phelan Adam , DiTusa John , Tennant David , Mao Zhiqiang 
Published: September 2021

Abstract
Magnetic semimetals carry a great promise for potential applications in novel spintronic devices. Nevertheless, it is a challenging topic to realize the tunable topological states by the magnetism in a controllable way. Here, we report novel magnetic states and a tunability of the topological semimetallic states via controlling the Eu spin reorientation in Eu1-xSrxMnSb2. Increasing the Sr concentration in this system induces a surprising reorientation of noncollinear Eu spins to the Mn moment’s direction and an appearance of topological semimetallic behavior. The Eu spin reorientations to distinct collinear antiferromagnetic orders are also driven by the temperature/magnetic field, which are coupled to transport properties of the relativistic fermions generated the 2D Sb layers. These results suggest nonmagnetic element doping to the rare-earth element site may be an effective strategy to generate topological electronic states and new magnetic states in layered compounds involving spatially separated rare-earth and transition metal layers.
Dietary Supplementation of Inulin On Glycolipid Metabolism in Gestational Diabetes Mellitus via RENT/AKT/IRS Pathway
Authors: Miao Miao , Dai Yongmei , Rui Can , Fan Yuru , Wang Xinyan , Fan Chong , Mu Juan , Hou Wenwen , Dong Zhiyong , Li Ping , Sun Guiju , Zeng Xin 
Published: September 2021

Abstract
Background: Gestational diabetes mellitus (GDM) has significant short and long-term health consequences for both the mother and child. There is limited but suggestive evidence that inulin could improve glucose tolerance during pregnancy. This study assessed the effect of inulin on glucose homeostasis and elucidated the molecular mechanisms underlying the inulin-induced antidiabetic effects during pregnancy. Method: Female C57BL/6 mice were randomized to receive either no treatment, high-dose inulin and low-dose inulin for 7 weeks with measurement of biochemical profiles. A real-time2 (RT2) profiler polymerase chain reaction (PCR) array involved in glycolipid metabolism was measured. Results: Inulin treatment facilitated glucose homeostasis in a dose-dependent manner by decreasing fasting blood glucose and total cholesterol, and improving glucose tolerance. Suppressing resistin (RETN) expression was observed in the inulin treatment group and the expression was significantly correlated with fasting blood glucose levels. The ratios of p-IRS to IRS and p-Akt to Akt in liver tissue and the ratio of p-Akt to Akt in adipose tissue increased significantly after inulin treatment. Conclusions: Our findings indicated the observed decreased glucose level may be due to insulin signaling pathway repairment due to decreased expression of RETN and enhanced phosphorylation of IRS and Akt in GDM mice.
Changes In Antioxidant Systems And Sucrose Metabolism In Maize Varieties Exposed To Cd
Authors: Li Cong , Cao Yingdi , Li Tianfeng , Guo Meiyu , Ma Xinglin , Zhu Yanshu , Fan Jinjuan 
Published: September 2021

Abstract
While it is generally accepted that different maize varieties respond in various ways to cadmium (Cd) stress, the physiological mechanisms that determine how they respond are not well-defined. We do know, however, that antioxidant systems and sucrose metabolism help plants to cope with abiotic stresses, including stress from Cd. Seed is sensitive to Cd stress during germination stage. In this study, we investigated how the antioxidant systems, sucrose metabolism, abscisic acid (ABA) and gibberellin (GA3) concentration in two maize varieties with low (FY9) or high (SY33) sensitivities to Cd changed when Cd was added at 20 mg L−1 over different germination stages (3, 6, and 9 days). As Cd accumulated, the germination rate decreased, and growth was inhibited. The O2•-, malondialdehyde (MDA), and proline (Pro) concentrations, and the superoxide dismutase (SOD), peroxidase (POD), catalase (CAT), and lipoxygenase (LOX) activities increased compared to the CK (without Cd). The expression levels of three genes (ZmOPR2, ZmOPR5 and ZmPP2C6) that respond to oxidative stress increased differently in two varieties under Cd stress. The activity of the antioxidant system including the transcript levels of oxidative stress response genes were higher in Cd-tolerant variety, FY9, than in sensitive variety, SY33. And then, we also examined sucrose metabolism levels that were increased compared to the CK. However, it was more active in the Cd-sensitive variety, SY33. Therefore, these results also suggest that antioxidant systems are first respond to Cd stress in maize plants, and sucrose metabolism is cooperation and complement that are exposed to Cd.
Effect of Retained Placenta And Clinical Mastitis On Reproduction Parameters, Immune Response And Steroidogenic Receptors Gene Expression In Postpartum Crossbred Crossbreed Dairy Cows
Authors: Ramos Oglênia , Rezende Amanda , Alvarenga Paula , Campos Carla , Rezende Estevão , Silva Marcelo , Carneiro Luisa Cunha , Moraes Giovanna , Saut João Paulo , Santos Ricarda 
Published: September 2021

Abstract
The purpose of this study was to evaluate the effect of retained placenta (RP) and clinical mastitis (CM) on the reproductive efficiency of crossbred dairy cows during the postpartum period and to investigate the effect of them in some innate immune system indicators. For this, in the first experiment a total of 232 crossbred dairy cows were evaluated and divided into three groups as: healthy control, RP and CM. The incidence of RP and CM was evaluated after parturition until 30 days postpartum (DPP) and reproductive rates were measured. In experiment 2, 30 crossbred dairy cows were divided into three groups as in Experiment 1. Between 40 and 50 DPP, clinical, gynecological examination and endometrial cytobrush were performed to evaluate subclinical endometritis and gene expression of interleukin- 1β (IL-1β), interleukin-6 (IL-6), chemokine ligand -5 (CCL5), estrogen α (ESR1) and progesterone (PGR) receptors by qRT-PCR analysis. In Experiment 1, the conception rate at 1st AI was lower in RP and CM groups and pregnancy rate at 150 days decreased in cows with CM. Calving-to-1st AI interval and days open were shorter in healthy cows. In Experiment 2 the occurrence of subclinical endometritis was 26.7% and was higher in cows with RP and CM. The expression of IL-1β was increased in RP and CM groups, while IL-6 was less expressed in RP group. The chemokine CCL5, ESR1 and PGR were similar between groups. In conclusion, cows with RP and CM had their reproductive efficiency negatively affected and had they initial pro-inflammatory response improved by the increase of IL-β, while, IL-6 was lower in animals with RP probably because it was evaluated later in the postpartum.
Describing The Use of Two Hybrid Prostheses in The Staged Surgical Repair of Aortic Dissection
Authors: Pathare Presheet , Tandler René , Weyand Michael , Harig Frank 
Published: September 2021

Abstract
Background-Reconstruction of the thoracoabdominal aorta after dissection (Stanford Type A with extension into descending aorta) has limited surgical options. Described here is a novel technique for the staged surgical repair of the thoracoabdominal aorta after reconstruction of the ascending aorta with aortic arch using a hybrid prosthesis. Case presentation- The thoracoabdominal aorta is accessed via a lateral thoracotomy. After a left-left bypass to perfuse the descending aorta, the proximal end of the prosthesis is anastomosed to the proximal aorta and distal end of the new prosthesis is then inserted into the true lumen of the descending aorta and the stent is deployed. ﻿Conclusion-Using this technique, operative time is reduced with accurate reconstructions of the anatomy.
Lonely, Harassed And Abandoned In Society: The Lived Experiences of Iranian Homeless Youth
Authors: Johari Fatemeh , Iranpour Abedin , Dehghan Mahlagha , Alizadeh Somayeh , Safizadeh Mansoure , Sharifi Hamid 
Published: September 2021

Abstract
Introduction: Homelessness is increasing among young adults in large cities. According to the United Nations, there are more than one bilion absolute or relative homeless people in the world. This study was conducted to explain the lived experiences of homeless youth in southeastern Iran.Materials and Methods: This study was conducted with a conventional qualitative content analysis in Kerman, southeastern Iran, in 2020. The participant was young homeless adults aged 18-29 years, who were using homeless shelters provided by municipality, sleeping in parks or on streets. Data were collected through 13 in-depth and semi-structured interviews and three focus group discussions. Data were analyzed by Granheim and Lundman’s qualitative content analysis.Results: The main category of “lonely, annoyed and abandoned in society” and three subcategories of Aversion to society, comprehensive harassment and lack of comprehensive support were extracted. The experiences of young homeless adults showed that they escaped from community due to addiction, feeling like a burden to others and social isolation, and not only have they been left without support in society, but they have also suffered from all kinds of physical and psychological harassments.Conclusion: The lived experiences of homeless people show that in addition to appropriate facilities and living conditions, they require respect, reduced social stigma, discrimination, and favorable conditions for return to life. Therefore, authorities should identify and settle their problems and needs.
Optical Stereometric Analysis of An Experimental Partially-Edentulous Mandible
Authors: Poštić Srđan , Milošević Miloš , Maneski Taško , Mladenović Goran , Brković Snežana , Trifković Branka 
Published: September 2021

Abstract
Background: Stereooptics method have been successfully used in biomechanical studies of models of dental and jaw bone tissues. The aim of this study was to investigate, by optical stereometry, the distribution of occlusal loads, depending on the functional deformities, on casts of a partially-edentulous lower jaw without copings as well as on the dedicated copings and the remaining solid tissue under the copings.Material and Methods: Precise measurement of strain and displacement of partially-edentulous mandibular control and experimental casts were provided by the digital image correlation method and software ARAMIS which determined the shape of the photographed object with high accuracy, its dimensions, field of three-dimensional (3D) movements, vector of distorted field and features of the biomaterial. Simulated loads were in the range between 0 and 1000 N.Results: Displacements and deformations of abutment teeth within the control cast of a partially-edentulous mandible were 0.48% for incisor without coping, 10.29% for canine without coping and 6.64% for premolar without coping, and within the experimental cast of a partially-edentulous mandible they were 0.29% for incisor with coping, 7.007% for canine with coping and 4.98% for premolar with coping.Conclusions: When loading the abutment teeth, the distribution of strain through the remaining tooth substance is specific and various, and abutment teeth covered by protective copings are more resistant to loads.
High Flow Nasal Cannula Oxygen In Non-Critical Care Units In Patients Infected With SARS-CoV-2 Who Are Not Suitable For Intensive Care Unit
Authors: Bouetard Laura , Vignes Dorothée , Braham Dorra , Sterpu Raluca , Damoisel Charles , Doucet-Populaire Florence , Guillet-Caruba Christelle , Mion Mathieu , Goujard Cécile , Abgrall Sophie 
Published: September 2021

Abstract
Background:High-flow nasal cannula (HFNC) is a recent respiratory support technique used for patients with hypoxemic respiratory failure; its use usually takes place in critical care wards. During the second wave of Covid-19, almost 400 000 people were hospitalized in France, and intensive care units were overwhelmed. For patients who did not meet criteria for admission to an intensive care unit because of their age or their medical background, we proposed HFNC in non-critical care unit instead of standard oxygen therapy to improve patient survival and comfort.Objectives: To describe characteristics and outcomes of patients infected with SARS-CoV-2 with HFNC in non-critical care wards between September 2020 and June 2021.Methods: This was a single-center, retrospective cohort study conducted between September and June 2021 in Clamart Hospital, France. Patients infected with SARS-CoV-2 confirmed, who were not suitable for intensive care unit escalation, and who were proposed HFNC because of respiratory failure were assessed.Results:Thirty-one patients with SARS-CoV-2 were included, median age 87.0 years (interquartile range (IQR), 82.0-91.0), 52% men. Nineteen (61%) patients were OMS score 0, i.e. no disability in daily-life activities. HNFC was started a median of 3 days (IQR, 1-5.5) after hospitalization. Overall, median duration of HNFC was 6 days (IQR, 4-10). Eleven patients (35.5%) survived and were discharged from hospital.Conclusions:Our experience of HFNC for patients with COVID-19 outside of a critical care environment because of their age and comorbidities is positive allowing survival of 35% of old patients not admitted to an intensive care unit. Trial registration:Not applicable
Recognizing Molecular Structural Features by Pattern Recognition Techniques
Authors: Lu Qing , Bian Wensheng 
Published: September 2021

Abstract
Recognition of molecular structural features is one of the most attractive fields in chemistry, especially when combining with machine learning techniques. Pattern recognition techniques are straightforward in recognizing graphic features, but little attention was given to recognize molecular structural features. In this work, we propose a new method taking advantage of pattern recognition techniques to analyze structural features and obtain novel chemical insights. Specifically, the cluster analysis is presented to recognize structural features, which provides an alternative to the most widely used root mean square deviation (RMSD) method and the recently proposed blob detection method. Based on this, the convex hull of the molecule is constructed. The convex hull of molecules is highly appealing in the sense that one can introduce established theorems and properties from other disciplines into chemistry. Novel molecular descriptors based on convex hulls can be defined and show encouraging results, especially in providing new insights in understanding non-covalent interactions, adsorption processes, etc.
Surface Functionalization of Graphene Oxide with Hyperbranched Polyamide-Amine and Microcrystalline Cellulose for Efficient Adsorption of Heavy Metal Ions
Authors: Liu Zhihang , Wang Qian , Huang Xiujie , Li Jian 
Published: September 2021

Abstract
Graphene oxide (GO)-based adsorbents have received attention in the removal of heavy metal ions in wastewater due to its large specific surface area and oxygen-containing functional groups, which can enhance the interaction between GO and heavy metal ions. Many researchers are seeking economical and effective strategies to further improve the adsorption capacity of GO. Different from other studies, this study proposed to introduce more active groups with hyperbranched polymer and construct micro/nano 3D bumps with cellulose on the surface of GO to improve the adsorption performance of GO. First, hyperbranched polyamide-amine (HPAMAM) functionalised GO was fabricated by the formation of amide bond between the carboxyl group of GO and the amino group of HPAMAM to endow GO more active groups and increase the affinity of adsorbent with heavy metal ions. Then, dialdehyde cellulose (DAC) obtained through the oxidation of microcrystalline cellulose was grafted onto GO/HPAMAM by forming a Schiff-based structure between the amino group of HPAMAM and aldehyde group of DAC; it is used to fabricate micro/nano 3D bumps on the surface of GO to increase the contact area between the adsorbent and pollutants. The obtained GO/HPAMAM/DAC adsorbent exhibited strong adsorption capacity and good cycle stability for heavy metal ions. The maximum adsorption capacities of Pb(Ⅱ), Cd(Ⅱ) and Cu(Ⅱ) were 680.3, 418.4 and 280.1 mg/g at 298 K, which were better than those of most adsorbents reported. Pseudo-second-order kinetic model and Langmuir isotherm model could describe this adsorption process. The adsorption of Pb(Ⅱ), Cd(Ⅱ) and Cu(Ⅱ) contributed to the chelation or complexation of nitrogen- and oxygen-containing groups on GO/HAPAMAM/DAC adsorbent. This study may provide a novel strategy for improving the adsorption performance of GO with hyperbranched polymer and cellulose.
Artificial Intelligent Stenosis Diagnosis in Coronary CTA: Effect on the Performance and Consistency of Readers with Less Cardiovascular Experience
Authors: Han Xianjun , Luo Nan , Xu Lixue , Cao Jiaxin , Guo Ning , He Yi , Hong Min , Jia Xibin , Wang Zhenchang , Yang Zhenghan 
Published: September 2021

Abstract
Background: To investigate the influence of artificial intelligent (AI) based on deep learning on the diagnostic performance and consistency of inexperienced cardiovascular radiologists.Methods: We enrolled 196 patents who had undergone both CCTA and invasive coronary angiography (ICA) within 6 months. Four readers with less cardiovascular experience (Reader 1 to Reader 4) and two cardiovascular radiologists (level II, Reader 5 and Reader 6) evaluated all images for ≥50% coronary artery stenosis, with ICA as the gold standard. Reader 3 and Reader 4 interpreted with aid from an AI system, and the other four readers interpreted without the AI system. The sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV) and accuracy (area under the receiver operating characteristic curve (AUC)) of six readers were calculated at the patient and vessel levels. Additionally, we evaluated interobserver consistency between Reader 1 and Reader 2, Reader 3 and Reader 4, and Reader 5 and Reader 6.Results: The AI system had 94% and 78% sensitivity at the patient and vessel levels, respectively, which were higher than Reader 5 and Reader 6. Reader 3 and Reader 4 aided by AI had a higher sensitivity (range: +7.2%~ +16.6% and +5.9%~ +16.1%, respectively) and NPV (range: +3.7%~ +13.4% and +2.7%~ +4.2%, respectively) than Reader 1 and Reader 2 without AI. There was good interobserver consistency between Reader 3 and Reader 4 in interpreting ≥50% stenosis (Kappa value= 0.75 and 0.80 at the patient and vessel levels, respectively). Only Reader 1 and Reader 2 had poor consistency (Kappa value= 0.25 and 0.37). Reader 5 and Reader 6 had moderate agreement (Kappa value= 0.55 and 0.61).Conclusions: Our study showed that using AI could effectively increase the sensitivity of inexperienced readers and significantly improve consistency in diagnosing coronary stenosis via CCTA.Trial registration: The clinical trial registration number: ChiCTR1900021867Name of registry: Diagnostic performance of artificial intelligence assisted coronary computed tomography angiography for the assessment of coronary atherosclerotic stenosis
New treatment regimen for acute megakaryoblastic leukemia with BCR-ABL positive: case report and literature review
Authors: Shen Huafei , Shi Yuanfei , Zheng Xiaolong , Jin Jie , Xie Wanzhuo 
Published: September 2021

Abstract
Acute megakaryocytic leukemia (AMKL) is a rare type of acute myeloid leukemia (AML), which is characterized by its effect on megakaryocytes in bone marrow. Despite standard doses of anthracycline plus cytarabine based regimen, AMKL is notorious for its poor prognosis. With the continuous development of targeted drugs, the choice of chemotherapy regimens for AML patients has been gradually enriched. However, as far as we known, there is little data with this regimen in AMKL with decitabine and Bcl-2 inhibitor combined with imatinib. Herein, we reported the first case of adult AMKL with BCR-ABL positive successfully treated with decitabine and venetoclax combined with imatinib.