bluuebunny/crossref_metadata_2025_split huggingface dataset:
Sediment and phosphorus transport during flood events in a Mediterranean temporary river
Authors: Garnier Monica , Pappagallo Giuseppe , Holman Ian Paul 
Published: June 2023

Abstract
Flood events, whose number and intensity are predicted to increase in the Mediterranean region, are difficult to monitor. This causes the number of observations of suspended sediment and total phosphorus concentration (|SS| and |TP| respectively) during their occurrence to be still scarce. Non-perennial or temporary water bodies, which react more promptly to rainfall events, represent ideal natural observatories. In this study, observations of streamflow, |SS| and |TP|, carried out during some flood events, in the Celone river basin, a temporary river located in south-eastern Italy, are presented. The research examined the correlations between flows, concentrations and loads of sediment and phosphorus and investigated factors that influence sediment and phosphorous dynamics in the river basin. The results show no relationship between the time of the year and the precipitation quantity of each event. The high coefficient of determination of the |SS|-|TP| correlations (R2 = 0.67 on average) proves the importance of soil erosive processes in the delivery of phosphorus to the river. More than 73% of the total suspended sediment load and 83% of total phosphorus load in the period 2010–2011 were transported during the 11 monitored events. In addition to the discharge, |SS| and |TP| also depend on numerous other factors related to land management, such as soil cover and fertilizations. The study, thanks to the improved understanding of the mechanisms governing sediment and phosphorus losses, represents a useful contribution for river basin authorities who have to draw up management plans aimed at preventing eutrophication phenomena and soil fertility reduction.
Research on process parameter optimization of irregular working face
Authors: Li Qinghai , Wang ZIjun , Liu Nan , Zhang Haoran , Li Zhaoying 
Published: June 2023

Abstract
Based on the engineering background of 1353 working face in Daizhuang Coalmine, summarized the three main problems that exist in the mining process: (1) Conventional pressure relief means are limited; (2) Risk of impact; (3) The length of working face changes. In view of these problems, the corresponding countermeasures are put forward: (1) roof cutting and pressure releasing; (2) controlling mining speed; (3) controlling the length of stopping line. And the numerical simulation method is used to explore from the above three aspects. Through the research, it is finally determined that the 1353 working face of Daizhuang Coalmine adopts the pressure relief method of drilling on one side and cutting the roof 20m deep on the other side, and the mining speed of the working face is 3m/d and the length of the stopping line is 85m, which provides a reference for the mining of irregular working face.
Fabrication of 3D-printed quaternary scaffolds containing polymeric matrix plus alginate nanoparticles and MWCNTs for cartilage tissue engineering
Authors: Pourmollaabbassi Babak , Mahdavi Hamid , Shojaei Shahrokh , Salehi Hossien , Valiani Ali , Tamimi Maryam 
Published: June 2023

AbstractOver the years, articular cartilage damage has impacted living standards world wide. Since each of the traditional therapeutic approaches has limitations, tissue engineering-based approaches have been recruited to provide a feasible solution. This study aimed to develop a novel nanocomposite 3D printed scaffold via a polymeric matrix accompanied with alginate nanoparticles and functionalized multi-walled carbon nanotubes (MWCNTs) to investigate its potential appropriateness for cartilage tissue engineering application. In this way, 3D printed constructs was developed by an extrusion-based printing method using the innovative nanocomposite inks consisting of PCL (polycaprolactone, P 35% w/v) and PLGA (poly (lactic-co-glycolic acid, P 15% w/v) incorporated with alginate nanoparticles (40 and 45% w/v), as a filler, and modified with or without MWCNTs (0.05 and 0.1% w/v), as a composite reinforcement. Next, the characterization of scaffold features was investigated. Results revealed that 3D printed scaffold containing PP/alginate45% with MWCNT0.05 (PPA45M0.05) had significant improvements in porosity (74.29%±7.33), water uptake, absorbance, cell attachment, hydrophilicity (64.15 ± 1.87), the compression modulus(0.2174MPa), and the degradation rate. In addition, the interaction within the whole constituents was validated by the spectra of ATR-FTIR. Due to the proper biodegradability, biocompatibility, and mechanical aspects, the PPA45M0.05 scaffolds would be a potential construct for cartilage tissue engineering.
Investigating the Mechanical and Microstructural Characteristics of Clayey- Sand Reinforced with Geopolymer Incorporating Copper Slag
Authors: Fakhrabadi Alireza , Choobbasti Asskar Janalizadeh , Kutanaei Saman Soleimani 
Published: June 2023

Abstract
This study aimed to explore the effects of stabilizing clayey-sand with mineral geopolymers, focusing on the mechanical and microstructural behavior of the treated soil. Experimental tests, including Atterberg limits (PI), pH analysis, standard proctor compaction, unconfined compressive strength (UCS), and ultrasonic P-wave velocity measurements, were conducted at different curing durations (2, 7, 14, and 28 days) under ambient temperature conditions (23 ± 2°C and ˃90% relative humidity). Additionally, scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDS) analyses were performed to investigate the microstructural effects on strength enhancement. The study employed various combinations of non-traditional binders (copper slag) with an alkaline activator solution (AAS). The AAS consisted of 70% Na2SiO3 and 30% NaOH, while the weight ratio of copper slag to AAS was set at 1. Different molar concentrations of NaOH (0, 2, 4, 8, 11, and 15M) and varying percentages of copper slag (0, 10, and 15%) were selected. The results revealed three distinct behaviors exhibited by the samples. Notably, the strength increased with longer curing times for 8M and 11M concentrations, indicating a significant strength gain. Numerical investigations also established a correlation between P-wave velocity and UC strength. Microstructural analysis identified the sample with 11M NaOH and 15% copper slag as having the most compacted and dense structure.
Improving the efficiency of ZnTe based heterojunction solar cell with In2Te3 BSF layer
Authors: Ali Md. Hasan , Haque Md. Dulal , Hossain Md. Mahabub , I Abu Zafor Md. Touhidul 
Published: June 2023

Abstract
Zinc telluride (ZnTe) is considered as a favorable photovoltaic (PV) material for its desirable absorption coefficient, improved conversion efficiency, and consequently inexpensive production material requirements. The unsuitability of the solar cell structure and band alignment at the buffer/absorber and absorber/BSF interface as well as carrier recombination at the front and back metal contact prevents the probable result from being achieved. The principal objective of this research is to improve the performance of newly designed Al/ZnO/CdS/ZnTe/In2Te3/Pt solar cell and to investigate the influence of the Indium telluride (In2Te3) back surface field (BSF) layer on the performance parameters of open circuit voltage (Voc), short circuit current (Jsc), fill factor (FF), and power conversion efficiency (PCE). This simulation analyses the performance of the baseline structure Al/ZnO/CdS/ZnTe/Pt which is consider as without BSF and the proposed structure Al/ZnO/CdS/ZnTe/In2Te3/Pt which is consider as with BSF. The thickness, carrier density and bulk defect density of every layer, defect density at BSF/absorber and buffer/absorber interface, working temperature, back surface recombination velocity (SRV) as well as shunt and series resistance has been studied using SCAPS-1D simulator. The PCE has been achieved 20.20% with VOC of 2.008 V, JSC of 10.99 mA/cm2 and FF of 91.92% for the proposed solar cell with In2Te3 BSF layer by using thicknesses of around 30 nm, 30 nm, 500 nm and 100 nm for ZnO, CdS, ZnTe, and In2Te3, respectively. The present study provides the guidelines for the realization of high efficiency and thin ZnTe based solar cell in cost effective way.
Estimating Environmental Compliance Costs at the Installation Level
Authors: Belloc Filippo , Dijkstra Bouwe , Valentini Edilio 
Published: June 2023

Abstract
We develop a new measure of installation-level environmental compliance costs under an Emissions Trading System (ETS) by estimating normalized demand curves of permits sector-by-sector. Our measure reflects installation-level compliance cost deviations within-sector and it is scaled by both the installation’s baseline output and the sector-specific abatement cost. An application to four sectors in Phase 3 of the EU ETS unveils a non-negligible within-sector variance and reveals that the installation-level dimension explains the largest part of it, while the country effect accounts for 7.7% to 11.4% of the total within-sector variance. This points to the installation-level dimension as mostly important when the impact of environmental regulations has to be assessed in practice, and suggests large abatement cost savings from the EU ETS.
J.E.L. Classification: L50, L60, Q52, Q58
Effect of cross-linker and dopant concentrations on the magnetic properties of poly(vinyl alcohol)-borax ferrogels
Authors: Lawrence Mathias B. 
Published: June 2023

Abstract
Here, Vibrating Sample Magnetometry (VSM) measurements on two sets of poly(vinyl alcohol) ferrogels are reported. The ferrogel matrices are cross-linked with borax and possess micron-sized carbonyl iron (CI) particles as the magnetically-sensitive dopant. The matrices exhibit soft magnetic behaviour owing to the presence of the dopant. For the set with borax concentration 30 mg/mL, the ferrogel with CI concentration 20 mg/mL shows the highest saturation magnetization and magnetic susceptibility values. Among the ferrogels having borax proportions 40 mg/mL, the matrix with CI concentration 20 mg/mL exhibits lowest saturation magnetization and magnetic susceptibility, while the other samples have nearly-equal values of the parameters. The observed magnetic parameters are explained on the basis of modifications of local network structure which arise from the variations in borax and CI concentrations. The findings will be useful in the development of improved and fine-tuned applications.
Field Measurement of the Rubble Masonry Ground Deformation under the Jackfruit Tree Development
Authors: Doan Thy Truc 
Published: June 2023

Abstract

The paper objective presents the Field measurement of the Rubble Masonry Ground Deformation under Consideration of the Jackfruit Tree Development after 8 years. Results show the crack’s appearance on the grout surface which made small fragments with different lengths and diameters areas sizes. The maximum values of the depths, widths, and lengths of cracks show 30mm, 35mm, and 90 mm; whereas the maximum length appeared on the surface area sizes of 2.350m at the stool; compared with the minimum value of 5mm distance 1.5m. On the other hand, the brick lining increasing the pavement obtained 7cm. Moreover, the development cycle of the jackfruit was done carefully by the Vietnam Standard which included care time, fertilizer, and water supply cycle. Results described particularly in the heights, diameters, and years old as 3 months, 1 year, 3 years, 5 years, and 8 years: 0.3mx15cm; 1.2mx35cm; 2.5mx58cm; 4.0mx72cm; and 6.0x99cm. In conclusion, the research results can use for the references for civil, road, and geology engineering to forecast and it is not recommended to plant jackfruit trees near the ground of houses, pavements, and roads a distance of less than 5m; replace with a distance of rather than 5m to be safe ground.
Plasma Catalytic Conversion of Nitrogen and Hydrogen to Ammonia over Silico Alumino Phosphate (SAPO) zeolites
Authors: Gorky Fnu , Nambo Apolo , Carreon Moises A. , Carreon Maria L. 
Published: June 2023

Abstract

Herein, we demonstrate the catalytic activity of microporous Silico Alumino Phosphate (SAPOs) crystals for the assisted plasma synthesis of ammonia. SAPOs can aid as effective catalysts for the synthesis of ammonia via non-thermal plasma using an atmospheric dielectric barrier discharge (DBD) reactor. We studied three prototypical zeolites having crystallographic limiting pore apertures of 3.4 Å (SAPO-56), 3.8 Å (SAPO-34) and 3.9 Å (SAPO-11). We describe a fundamental insight on the effect of the Si/Al ratio and the pore size on ammonia synthesis rate for the different SAPOs. The resultant SAPO-11 displayed ammonia synthesis rates as high as 0.19 micromoles NH3/ min m2 at 20 watts, approximately 1.5 times better compared to other SAPOs. The results indicate that ammonia synthesis is promoted by a lower Si/Al ratio (< 0.25) of the SAPO. Moreover, we observed that SAPO-34 (3.8 Å) and SAPO-11 (3.9 Å) which allow diffusion of N2 (3.6 Å) in to the pores lead to a higher ammonia yield. The lower intensity observed in optical emission spectroscopy (OES) for SAPO-34 suggests the diffusion of plasma activated species onto the surface and the pores. Proving the importance of porosity in plasma catalysis.
Bifidobacteria modulating gut microbiota inhibits breast cancer growth via anti-tumor immune response in mice
Authors: Shi Jiajie , Geng Cuizhi , Li Zheng , Ma Ping , Zhang Xi , Cheng Meng 
Published: June 2023

Abstract
To explore the effects of gut microbiota intervention on anti-tumor immune response, Balb/c mice were divided into three groups that were administered one of the following: antibiotics (mixture of ampicillin, streptomycin and polymyxin), bifidobacterial or sterile water via oral gavage. Their feces were collected for Meta 16S DNA sequencing. The differences in gut bacteria composition among three groups through β diversity analysis. To determine the effects of microbiota intervention on tumor growth, the mice were inoculated with 4T1 breast cancer cells, and the tumor growth was measured after tumor formation. IFN-γ and IL-2 levels in tumors and serum were determined by ELISA, and HE staining was used to quantify lymphocytes infiltrated into tumors. The tumor growth in the antobiotics was significantly faster than that of the bifidobacterial group (P = 0.013). β diversity analysis showed significant differences in gut microbiota composition among the three groups (weighted P = 1.5015e-10; unweighted P = 5.5914e-05). The IFN-γ and IL-2 levels in tumors and serum were higher after bifidobacterial administration than those after antibiotics and water treatment (all P < 0.001). Bifidobacteria modulating gut microbiota inhibited breast cancer growth which was likely associated with anti-tumor immune responses.
Evaluating the role of HYpofractionated RAdiotherapy schedule in High Grade GlioMA patients less than 60 years of age during the COVID period- A single Institutional Prospective Observational Study (HYRAMA study)
Authors: Velu Umesh , Mohanty Sheel , Singh Anshul , NP Jayashree , Salins Shirley , Sharan Krishna 
Published: June 2023

Abstract
Purpose Hypofractionated radiotherapy (HRT) has been offered as an alternative in High Grade Glioma (HGG) patients above the age of 60 years. The aim of the study was to evaluate the role of HRT in patients with HGG aged less than 60 years.Methods Prospective observation study and HGG patients less than 60 years of age were eligible for the study. HRT regimen was of 40 Gray (Gy) in 15 fractions with Temozolomide (TMZ). The Primary objective was to assess the progression free survival (PFS) while overall survival (OS) and toxicity profile being secondary end points.Results From April 2021 to April 2022, 15 patients were recruited in the study. The mean age was 44.6 years (28–59 years SD +-9.2), IDH wild type was seen in 10 patients. Most patients (9 patients) underwent a gross tumour excision. The median follow up was 15 months (Range of 7–19 months). The estimated median PFS was 13.5 months (SD ± 1.13; 95% CI 11.23–15.66). On multivariate analysis, only male gender and presence of midline shift were found to affect negatively the PFS. Three patients had disease progression at last follow up. None of the patients reported any Grade 3 or 4 toxicities.Conclusion The HRT regimen can be an alternative to long course chemoradiation regimen with acceptable PFS and toxicity in patients less than 60 years of age.
Parameter Sensitivity of Network-Based Statistical Inference
Authors: Vinokur Lea , Smith Robert E , Dhollander Thijs , Vaughan David , Jackson Graeme D , Connelly Alan 
Published: June 2023

Abstract
The network-based statistic (NBS) is a popular method for performing edge-wise statistical inference on brain networks, with a known limitation in the form of a need for the user to pre-define an arbitrary cluster-forming threshold. Recently a new method, the “Threshold Free Network Based Statistic” (TFNBS), was proposed to attempt to overcome this necessity. While TFNBS does not require the a priori definition of a hard cluster-forming threshold to generate edge-wise significance values, it does require definition of the statistical enhancement parameters intrinsic to the method. In this work, we explore the practical consequences of parameter choice on reported results using both methods, and assess whether TFNBS indeed provides the research community with a significant increase in the fidelity of results. We do so by applying both NBS and TFNBS to a previously well-characterized cohort with temporal lobe epilepsy in a case-control study of diffusion MRI-derived connectivity, and observing the variation of statistical inference outcomes depending on the values of enhancement parameters utilised. Our results exhibit substantial variability for both TFNBS and NBS, indicating that the choice of parameters for both methods influences the extent of the inferred network changes; this therefore imposes a restriction on the precision with which the outcomes of statistical inference using either method may be interpreted.
WITHDRAWN: The evaluation of right ventricular function in patients with triple-vessel coronary artery disease without myocardial infraction in two-dimensional speckle tracking echocardiography
Authors: Wang Yifan , Zhou Qiao , Li Zhen , Li XIya , Zhang Mengmeng , Zhang Siran , Ma Le , Huang Dongmei , Li Guangsen 
Published: June 2023

Abstract
Purpose To use the two-dimensional speckle tracking technique (2D-STE) for the evaluation of right ventricular function in patients with triple vessels disease (TVD) without myocardial infarction.
Methods Thirty cases were randomly selected from health check-ups into group A. According to the results of their coronary arteriography (CAG), 60 individuals were chosen and split into two groups. TAPSE was determined using M-mode echocardiography; what measured the right ventricular diastolic transverse diameter (RVTD), the maximum peak velocity of the early and the late diastolic filling peak (E, A), end-systolic and end-diastolic area (RVESA, RVEDA) was conventional 2D echocardiography; E/A ratio and FAC were both calculated by the formula; Tissue Doppler was used to measure peak systolic peak early and late diastolic velocities (s', e', a') of the tricuspid annulus. end-systolic and end-dilation volume (RVESV, RVEDV) were measured by RT-3DE; 2D-STE was used to measure the global peak systolic strain (GS), peak early and late diastolic strain rate (SRe, SRa), as well as peak systolic strain rate (SRs). Correlations between GS and NT-pro BNP in subjects were assessed using Pearson linear correlation.
Results Compared with group A, e', e'/a' were reduced in group B (P<0.05), while s', E/A, RVEF, LVEF, FAC and TAPSE have no significantly difference (all P>0.05). RVEF, LVEF, E/A, e'/a', s', FAC and TAPSE were reduced, and RVESA, RVEDA, RVEDV, RVESV, and RVTD were increased in group C than in group A and B (all P<0.05). 2D-STE parameters: GS, SRe, SRa, SRs were reduced in groups B and C compared with group A (all P<0.05); correlation analysis showed that the correlation between GS and serum NT-pro BNP in groups B and C showed a negative correlation.
Conclusion 2D-STE can effectively recognize the early functional changes in the right ventricle in patients with triple vessels disease in coronary artery disease without myocardial infarction.
Ovarian Sarcomatoid Carcinoma Presenting with Paraneoplastic Leukemoid Reaction: Case Report
Authors: Sainsbury Morgan , Watts Clayton , Hinchman-Dominguez Daniela , Conrad Lesley B. 
Published: June 2023

AbstractBackground: Sarcomatoid carcinoma is an aggressive, rare malignancy that can arise as mural nodules in the presence of other primary ovarian malignancies. Associated with sarcomatoid carcinomas of other organs, paraneoplastic leukemoid reaction (PRL) is a rare syndrome of extreme hyperleukocytosis, usually greater than 50 k/ul, that arises in the absence of a primary hematologic malignancy and characteristically resolves following tumor removal. Case Presentation: A 57-year-old female presented with vague gastrointestinal symptoms and was incidentally found to have white blood cell (WBC) of 56.4 k/ul, with a negative work-up for hematologic malignancy. Abdominal CT imaging demonstrated a large abdominal mass and biopsy confirmed a diagnosis of sarcomatoid carcinoma, clinically favored to be of ovarian origin. Treatment consisted of surgical resection of the large (32 x 30 x 17 cm) mass, left salpingo-oophorectomy, and radical small bowel resection. Notably, the patient’s WBC count fell from 175 k/ul, on the morning of surgery, to 17.3 k/ul, days after tumor resection. Conclusion: We report a rare case of sarcomatoid carcinoma of probable ovarian origin, presenting with extreme leukocytosis and characteristic behavior of PRL. Sarcomatoid carcinoma and PRL are both, individually, associated with a poor prognosis. Accurate diagnosis is essential to ensure minimal delay in initiating treatment.
Mitochondrial mutation, drift and selection during human development and ageing
Authors: Campbell Peter , Chapman Michael Spencer , Przybilla Moritz , Lawson Andrew , Mitchell Emily , Dawson Kevin , Williams Nicholas , Harvey Luke , Ranzoni Anna Maria , Cvejic Ana , Mahbubani Krishna , Saeb-Parsy Kourosh , Green Anthony , Nangalia Jyoti , Laurenti Elisa , Martincorena Inigo 
Published: June 2023

Abstract
Progressive dysfunction of mitochondria, organelles responsible for energy provision to cells, is a major hallmark of ageing. How the dysfunction steadily accrues over a lifetime remains unclear, given the transient nature of free radical damage and the high turnover of mitochondria. Here, we leveraged whole-genome sequencing data from single-cell derived foetal and adult haematopoietic stem/progenitor cell colonies to study the clonal dynamics of turnover and selection in mitochondrial genomes throughout life. We found that genetic drift and independent convergence of mitochondrial mutations complicate their use as lineage marks in single-cell sequencing experiments. Point mutations accrued linearly with age at an average rate of 0.007 mutations/genome/year. Using the distribution of mtDNA allele frequencies with age, we infer that a cell’s complement of mitochondrial genomes is replicated every 4-19 weeks in adults, with faster turnover rates during foetal development. Clock-like accumulation of mutations coupled with rapid turnover induces complex evolutionary dynamics in mitochondria as individuals age. Nonsense mutations are disadvantageous regardless of their heteroplasmy level. Missense variants, however, are positively selected at low heteroplasmy but negatively selected at high heteroplasmy, suggesting that some mutations improve fitness of individual mitochondria, even though fitness of the whole cell deteriorates if their expansion proceeds too far. Thus, age-related decline in mitochondrial function can arise from preferential cellular accumulation of selfish mitochondrial clones whose superior fitness ultimately disadvantages the host cell.