bluuebunny/crossref_metadata_2025_split huggingface dataset:
Longitudinal associations between physical activity and other health behaviours during the COVID-19 pandemic: A fixed effects analysis
Authors: Mitchell John J , Bu Feifei , Fancourt Daisy , Steptoe Andrew , Bone Jessica K 
Published: July 2022

Abstract
Government enforced restrictions on movement during the COVID-19 pandemic are likely to have had profound impacts on the daily behaviours of many individuals, including physical activity (PA). Given the associations between PA and other health behaviours, changes in PA during the pandemic may have been detrimental for other health behaviours. This study aimed to evaluate whether changes in PA during and after the first national lockdown in the United Kingdom (UK) were associated with concurrent changes in alcohol consumption, sleep, nutrition quality, diet quantity and sedentary time. Data were derived from the UCL COVID-19 Social Study whereby 52,784 adults were followed weekly across 22 weeks of the pandemic from 23rd March to 23rd August 2020. Fixed effects regression models revealed that greater PA was positively associated with improved sleep and nutrition quality. However, increases in PA also showed modest associations with increased alcohol consumption and sedentary time. Encouraging people to engage in PA may lead to wider changes in their other health behaviours in times of adversity. These associations could be a result of increases in available leisure time for many people during COVID-19 restrictions and are of ongoing importance given the emerging, long-term changes to lifestyle and working patterns.
Mean Reversion and Convergence of Ecological Footprint in the MENA Region: Evidence from a Fractional Integration Procedure
Authors: Bello Mufutau Opeyemi , Gil-Alana Luis Alberiko , Ch'ng Kean Siang 
Published: July 2022

Abstract
This paper deals with the analysis of mean reversion and convergence of the ecological footprint (EF) in the MENA region. Using a long memory model based on fractional integration, we find that the results are very heterogeneous across countries depending on the assumptions made on the error term and the use of original versus logged data. Nevertheless, some conclusions can be obtained. Thus, mean reversion is decisively found in the case of Tunisia, and other countries showing some degree of reversion to the mean include Israel, Syria, Yemen, and Iran. Dealing with the issue of convergence within the MENA countries, similar conclusions hold and only Tunisia reports statistical evidence of convergence for the two types of errors. Additional evidence is found in the case of Syria, Yemen, and Jordania with uncorrelated errors and for Iran with autocorrelation. It is recommended that environmental policies targeted at stabilizing the trends in EF in the MENA region should not be indiscriminately applied in consideration of the heterogeneous nature of the series in the region
Preparation of bimetal modified HMS zeolite and its catalytic effect on phenol degradation
Authors: Pang Yaming , Gao Liguo , Xia Mingxuan , Fu Yuxiu , Song Xiaoli 
Published: July 2022

Abstract
In this paper, phenol was used as the material to be treated, and HMS molecular sieve was used as the catalyst for the catalytic treatment of the material. HMS, Ti-HMS, Ce-HMS and composite modified Ce/Ti-HMS molecules were used to prepare sieved catalysts. Simulated phenol-containing wastewater with phenol as the main component is treated. The structure of the molecular sieve and its elements and contents were characterized by field emission scanning electron microscope; the morphology of atoms or molecules in the material was characterized by X-ray diffractometer; the chemical bonds in the molecular structure were characterized by Fourier transform infrared spectroscopy. The change of vibration peak was analyzed, and the change of surface and skeleton structure was analyzed; the absorbance of the substance to be tested to visible light was measured by ultraviolet-visible diffuse reflectance method. The experiment was optimized by response surface methodology, and the oxidation of Ce3+ was detected by infrared tracking, and the reaction mechanism of phenol catalytic degradation was analyzed. The active sites that determine the catalytic performance of the composite catalyst were studied by DFT calculations, which further confirmed that the bimetallic modified zeolite has better catalytic effect.
P-wave velocity and radial anisotropy beneath Sichuan-Yunnan area revealed by teleseismic traveltime tomography
Authors: tang xin , Wang Biao , Wen Jiaxing , Guo Zhengchao , Zhou Xiaoyi , Zhou Tingqiang 
Published: July 2022

Abstract
The Sichuan-Yunnan area is located on the southeastern margin of the Tibet Plateau, and it interacts with the Tibet Plateau because of the the southeastward motion of the plateau material since the Cenozoic. Therefore, the Sichuan-Yunnan area acts an important window to understand the uplift and deformation processes of the largest and highest plateau in the world. In this study, we invert the teleseismic relative traveltime differentials extracted from waveform cross-correction to invert the P-wave and radial anisotropy (RAN) beneath the Sichuan-Yunnan area. In the tomographic inversion, we utilize an eikonal equation-based tomography method, and obtain the subsurface P-wave velocity and radial anisotropic structure down to a depth of 700 km. Our P-wave tomography results show that high-velocity anomalies are beneath Sichuan basin at depths from ~ 30 km to ~ 200 km, and remarkable low-velocity anomalies south of Sichuan basin are below the Xiaojiang fault and Red River fault at the same depths. Notably, low-velocity anomalies west of Sichuan basin are under the Songpan-Ganzi block at depths less than 200 km. In addition, our tomography results do not reveal high-velocity anomalies in the mantle transition zone (MTZ) beneath Xiaojiang fault. Evidently, the lithosphere of Sichuan basin exhibits negative radial anisotropy, and the Emeishan large igneous province shows visible negative radial anisotropy. Remarkably, positive radial anisotropy is found underneath Red River fault and it extends a depth of at least 170 km.
Percutaneous transhepatic treatment of biliary-enteric anastomotic occlusive strictures with compliant balloon cholangiography and large-bore catheter: A novel technique
Authors: Li Chaojie , Gong Ju , Huang Wei , Shan Qungang , Wang Ziyin , Wang Zhongmin 
Published: July 2022

Abstract
ObjectivesEndoscopic retrograde cholangiopancreatography (ERCP) is a challenge in resolving biliary-enteric anastomotic occlusive strictures (BEAOS) and/or coexisting stones. Here, a novel technique that combined percutaneous compliant balloon block cholangiography and the maintenance of a large-bore catheter was described to resolve this issue.MethodsTen patients developed BEAOS and/or coexisting stones after a Roux-en-Y hepatico- or choledocho-jejunostomy. A percutaneous transhepatic compliant balloon was combined with a high-pressure injection of contrast media to mark the biliary-enteric anastomosis. The biliary-enteric anastomosis was dilated by high-pressure conventional angioplasty balloons, and the compliant balloon was used to push stones into the intestinal tract through the BEAOS. An internal/external biliary catheter was implanted as an alternative minor operation to resolve this problem. Then, the primary drain was exchanged for large-bore 12F and 16F catheters in monthly intervals . The preoperative clinical conditions, postoperative liver function tests and complications were recorded.ResultsAll ten cases had successful techniques, and a total of nine stones in six patients were successfully removed by the compliant balloon. All catheters were removed after the patency of the stricture was confirmed by PTHS six months later. No severe adverse events occurred during the perioperative period. Two patients had episodes of cholangitis during the follow-up period (mean, 17 months; range, 4–24 months), and neither BEAOS nor bile duct stones recurred within two years after the procedure.ConclusionsPercutaneous transhepatic compliant balloon cholangiography and the maintenance of a large-bore catheter were effective and safe alternative operations for resolving BEAOS and/or coexisting stones.
Tamanu Blended Diesel Fuel Operated IC Engine Emissions and Performance Characteristics Optimization using Taguchi with GRA
Authors: Sureshbabu Y. , Ashokavarthanan P. 
Published: July 2022

Abstract
Diesel engines cause major pollutants such as hydrocarbons (HC), carbon monoxide (CO), and oxides of nitrogen (NOx). These emissions affect environmental systems and lead to global warming and climatic change effects. These pollutants also affect humans and lead to health problems like lung cancer, breathing problems, and headaches, etc. Hence, some necessary action has to be taken to minimise these pollutants. There are several steps available to control these emissions. The coating of the piston using catalytic material is an effective method and novel approach of reducing emissions in diesel engines with alternate fuel operated diesel engines. The copper-chromium-zirconium alloy (CuCr1Zr) is known for its good thermal conductivity and good catalyst material, and the piston is coated by copper-chromium-zirconium alloy with 250µm thickness. Tamanu oil was blended with diesel fuel in a 20% (B20) to 40% (B40) ratio and used as an alternate fuel for the coated engine. The results showed a significant reduction in emissions and improvements in performance. In this research, the Taguchi with grey relational analysis (GRA) optimization technique is also used to study the effect of engine operating parameters on the emission level such as load and fuel for copper-chromium-zirconium alloy-coated diesel engine. Based on experimental results found that fuel is the most influential factor for CO and HC exhaust gas emissions reductions for coated type diesel engines.
On derivations of basic governing equations for solid bodies in bispherical coordinate system
Authors: Desai Payal 
Published: July 2022

Abstract
Traditionally solid mechanics problems are formulated in Cartesian, cylindrical and spherical coordinate system. Using such formulation and coordinate system, solutions of solid mechanics problems are obtained for specific geometries such as straight boundary, circular, cylindrical and spherical boundaries. However, such available coordinate system cannot describe many geometries in spherical or cylindrical coordinate system with inclusion of eccentricities, two spherical or cylindrical bodies in contact and parallel. In this article, author address this issue by giving complete original formulations and derivations of basic governing partial differential equations in Bispherical coordinate system. Bispherical coordinate system allow us to solve problems such as eccentric spheres, two parallel spheres (intersecting or non-intersecting) in solid mechanics which traditional spherical coordinate system cannot handle. Author develop the original equations in bispherical coordinates in terms of useful quantities of stresses and strains components in three dimensions. The paper is limited to basic formulations and practical applications of such formulations can easily be expanded for getting solutions using any known analytical or numerical methods.
Management strategies for acute type A aortic dissection complicated by limb malperfusion
Authors: Song Shibo , Lu Lin , Peng Hua , Qiang Hai Feng , Wang Juxiang , Wu Yuan , Wu Xijie , Zhuang Hui 
Published: July 2022

Abstract
Objective: Acute type A aortic dissection complicated by limb malperfusion confers a risk of mortality to the patients. And,debates still exist about how to manage the predicament focused on reperfusion first or immediate repair.Here,we aimed to describe our experience with the management of acute type A aortic dissection (ATAAD) complicated by limb malperfusion.Methods: From January 1st 2020 to December 31st 2021, 22 consecutive patients were admitted to Xiamen Cardiovascular Hospital due to acute type A aortic dissection complicated by limb malperfusion. All perioperative variables were recorded and analyzed. Limb malperfusion was diagnosed according to the clinical symptom,computed tomography angiography ,and laboratory test. We adopt the clinical categories of acute limb ischemia to stratify severity of limb ischemia.Surgery strategies are as follows:Reperfusion first followed by central repair,immediate central repair,immediate central repair followed by stenting. Results: There were 21 males and 1 female with an average of (53.3±11.7) years. Management strategies were as follows :immediate central repair using total arch replacement with frozen elephant trunk in fifteen patients, endovascular stenting followed by central repair in four patients, and endovascular stenting after central repair in two patients.The average extracorporeal circulation time was 258.8 ± 70.5 min;the average aortic cross-clamp time was 177.9 ± 54.2 min; and the average circulatory arrest time was 45.5 ± 13.1 min. The early mortality rate was 13.6% (3/22). Two patients left the hospital voluntarily due to cerebral infarction and bleeding. One patient underwent fasciotomy for osteofascial compartment syndrome and was discharged uneventfully. Six patients underwent continuous renal replacement therapy and hemoperfusion.Conclusion: Central repair is safe and feasible for ATAAD complicated with limb malperfusion. For serious limb malperfusion, endovascular stenting followed by central repair is a good choice with continuous renal replacement therapy (CRRT) and hemoperfusion. Hospital mortality rate is high in cases with multiple organ malperfusion.
Discriminative estimated cumulants-based automatic modulation classification over multipath fading channels
Authors: Kadoun Iyad , Bizaki Hossein Khaleghi 
Published: July 2022

Abstract

Automatic modulation classification (AMC) is an essential task in intelligent receivers. AMC research papers over multipath fading channels have two problems. The first problem is the Higher-order moment (HOM)based normalized channel coefficients estimator is not valid for some types of digital modulations. The second problem is poor classification accuracy. This paper solves these problems through significant steps, first, by finding a new HOM-based normalized channel coefficients estimator for all cases of digital modulation types, and second, by finding the mathematical forms of the transmitted signal's estimated normalized HOMs and Higherorder cumulants (HOCs), and third, by selecting the most discriminative estimated HOCs for AMC using features selection algorithms. The simulation results show that the classification accuracy of the selected estimated HOCs, for M-array Phase Shift Keying (MPSK) and M-array quadrature amplitude shift modulation (MQAM) classification is highly improved compared with reference papers. It's 100% for the three-tap multipath channel case, and Signal-to-noise ratio (SNR) values greater than 6 dB.
CircSTK39 suppresses the proliferation and invasion in Bladder Cancer via regulating miR-135a-5p/NR3C2-mediated Epithelial-Mesenchymal Transition signaling pathway
Authors: Li Zhi , Wang Zejin , Yang Shaobo , Shen Chong , Zhang Yinglang , Jiang Ruixue , Zhang Zhe , Zhang Yu , Hu Hailong 
Published: July 2022

Abstract
Circular RNAs (circRNAs), served as a novel non-coding RNA, have crucial functions in the development of tumors, including bladder cancer (BCa). However, the roles and the underlying molecular mechanism of circRNAs mediating epithelial-mesenchymal transition (EMT) processes in BCa remains to be studied. In this research, we first found a novel circRNA, circSTK39 (termed as has_circ_0001079), which was a downregulated gene based on the results of high-throughput RNA sequencing. Subsequently, we determined that the expression of circSTK39 in BCa tissues and their cell lines was significantly reduced. In addition, lower circSTK39 expression was strongly related to a worse prognosis for BCa patients. Next, we detected the biological functions of circSTK39 by using loss- and gain- experiments in vitro and in vivo. Ectopic expression of circSTK39 decreased cell proliferation, colony formation, and invasion capacities, while circSTK39 knockdown prevented the above phenotypes. Mechanically, circSTK39 could sponge with miR-135a-5p, thus inhibiting NR3C2-mediated EMT processes in the BCa progression. In conclusion, our results revealed that circSTK39 inhibited EMT of BCa cells through the miR-135a-5p/NR3C2 axis and may provide promising biomarkers for the diagnosis or prospective therapeutic targets for BCa.
Effect of music on objective sleep quality in older inpatients: A randomized controlled trial
Authors: Sasaki-Otomaru Akiyo , Sato Rina , Kanoya Yuka 
Published: July 2022

Abstract
Background: This study examined the effect of listening to music on objective sleep quality in older Japanese inpatients.Methods: This unblinded, randomized controlled parallel trial included inpatients (age ≥ 65 years) who had symptoms associated with pneumonia or heart failure and were enrolled from April 2016 to October 2017. Patients were randomly assigned to either the music or the control group. The randomization was stratified according to sex and the use of sleeping pills at baseline. The patients in the music group listened to classical music for 30 min before nocturnal sleep. Objective sleep was assessed using Sleep Scan SL-503 for three nights after admission. Results: A total of 43 patients were assigned to the music (n = 23) and control (n = 20) groups. The rapid eye movement sleep (REM) duration in the music group was significantly longer than that in the control group on the third night. Results of a two-way repeated analysis of variance indicated interactions between the music intervention and REM sleep duration. Conclusions: Listening to music may prolong REM sleep duration in older patients in the early days after hospitalization. REM sleep is one of the factors contributing to the pathogenesis of dementia; therefore, listening to music potentially prevents a decline in cognitive function among hospitalized older adults. Further research is needed to confirm the effect of music on the sleep patterns of hospitalized older patients.Trial registration: Registered with the University Hospital Medical Information Network on April 1, 2016 (http://www.umin.ac.jp/ctr/index-j.htm; ID: UMIN000021490).
Exploring and Mitigating Gender Bias in Book Recommender Systems with Explicit Feedback
Authors: Saxena Shrikant , Jain Shweta 
Published: July 2022

Abstract
Recommender systems are indispensable because they influence our day-to-day behavior and decisions by giving us personalized suggestions. Services like Kindle, Youtube, and Netflix depend heavily on the performance of their recommender systems to ensure that their users have a good experience and to increase revenues. Despite their popularity, it has been shown that recommender systems reproduce and amplify the bias present in the real world. The resulting feedback creates a self-perpetuating loop that deteriorates the user experience and results in homogenizing recommendations over time. Further, biased recommendations can also reinforce stereotypes based on gender or ethnicity, thus reinforcing the filter bubbles that we live in. In this paper, we address the problem of gender bias in recommender systems with explicit feedback. We propose a model to quantify the gender bias present in book rating datasets and in the recommendations produced by the recommender systems. Our main contribution is to provide a principled approach to mitigate the bias being produced in the recommendations. We theoretically show that the proposed approach provides unbiased recommendations despite biased data. Through empirical evaluation on publicly available book rating datasets, we further show that the proposed model can significantly reduce bias without significant impact on accuracy. Our method is model agnostic and can be applied to any recommender system. To demonstrate the performance of our model, we present the results on four recommender algorithms, two from the K-nearest neighbors family, UserKNN and ItemKNN, and the other two from the matrix factorization family, Alternating least square and Singular value decomposition. The extensive simulations on various recommender algorithms show the generality of the proposed approach.
Formulation of biofungicides based on Streptomyces lincolnensis strain SZ03 spores and efficacy against R. solani damping-off of tomato seedlings
Authors: Zamoum Miyada , Allali Khadidja , Benadjila Abderrahmane , Zitouni Abdelghani , Goudjal Yacine 
Published: July 2022

Abstract
This work aimed to explore an antagonistic actinobacterial strain isolated from roots of Ziziphus lotus in bioformulation processes and the biocontrol of Rizoctonia solani damping-off of tomato seedlings. The strain Streptomyces lincolnensis SZ03 was investigated for the principal in vitro biocontrol mechanisms and then formulated in three different biofungicides Wettable Talcum Powder (WTP), Sodium-Alginate Propagules (SAP) and Clay Sodium-Alginate Propagules (CAP). Compared to a marketed control products (Serenade® and Acil 060FS®), the formulated biofungicides were investigated against the R. solani damping-off of tomato cv. Aïcha seedlings. The strain S. lincolnensis SZ03 produced chitinases, cellulases, β-1,3-glucanases, cyanhydric acid and siderophores and it showed strong antagonistic effect on the mycelial growth of R. solani. Bioautographic and HPLC analysis revealed the production of a single antifungal compound. The biofungicide WTP showed an attractive biocontrol effect by reducing significantly the disease severity index (DSI) compared to untreated seeds. No significant differences were obtained compared to the chemical treatment with Acil 060FS®. The viability of spores and biocontrol efficacy of the WTP were confirmed after one year storage. S. lincolnensis strain SZ03 has never been reported in the biocontrol of phytopathogenic fungal diseases and it open up very attractive prospects in the fields of biocontrol and crop improvement.
Cognitive changes in lung cancer associated with increased blood-brain barrier leakage in patients with non-brain metastases
Authors: Zhang Dafu , Li Zhen-Hui , Zhang Zhi-Ping , He Yin-Fu , Shang Bin-Li , Xu Xiu-Feng , Ding Ying-Ying , Cheng Yu-Qi 
Published: July 2022

Abstract
Background: To explore the relationship between cognitive function and blood-brain barrier leakage in non-brain metastasis lung cancer and healthy controls.Methods:75 lung cancers without brain metastasis and 29 healthy controls matched with age, sex, and education were evaluated by cognitive assessment, and the Patlak pharmacokinetic model was used to calculate the average leakage in each brain region according to the automated anatomical labelling atlas. After that, the relationships between cognitive and blood-brain barrier leakage were evaluated.Results: Compared with healthy controls, the leakage of 3 brain regions were higher in patients with early lung cancers, and the leakage of 8 brain regions was higher in patients with advanced lung cancers. In contrast to early lung cancers, the leakage of 6 brain regions was increased in advanced lung cancers. The cognitive impairment of advanced lung cancers was mainly reflected in the damage to visuospatial/executive, and delayed recall. Brain regions with increased blood-brain barrier leakage showed negative correlations with visuospatial/executive, delayed recall, tumour size, and tumour marker (r=-0.35 to -0.21, P<0.05). Blood-brain barrier leakage was positively correlated with tumour size and tumour marker CYFRA21-1 (R=0.23 to 0.66, P<0.05).Conclusion: An increase in blood-brain barrier leakage was found in non-brain metastases of advanced lung cancers that corresponded to decreased visuospatial/executive and delayed recall. With progression in lung cancer staging, blood-brain barrier shows higher leakage and may lead to brain metastases and lower cognitive development.