bluuebunny/crossref_metadata_2025_split huggingface dataset:
Evaluation of the distribution of plant pressure of the feet in qualified badminton players when performing functional tests
Authors: BALTIN Maxim , FEDIANIN Artur , SAMIGULLIN Bulat , MAVLIEV Fanis , BALTINA Tatyana 
Published: April 2023

Abstract
Backgroundː The aim of this study was to compare changes in plantar pressure distribution during normal stance lunges and service by professional badminton players. Methodsː The study involved 12 badminton players. The Tekscan HR pedobarographic platform (USA) was used to record data. Resultsː The results showed that both the forefoot and the hindfoot were loaded differently depending on the stage of the delivery being performed or the posture adopted. In the area of the midfoot, metatarsals and toes of the left foot, the peak pressure was lower, and the highest value was in the 3rd metatarsal during a calm stance. An analysis of changes in pressure on the foot after loading, however, relative to the initial stance showed a trend in the distribution of load on the outer surface in the left foot. On the right foot, in contrast, toe use decreased by 50%, but heel support increased by 20%, and midfoot pressure increased by 20%. During the delivery in the swing phase, there was an increase in pressure in the area of the heel of the unsupported leg. In the lunge phase, the pressure was distributed over the entire plantar surface, however, the pressure distribution remained uneven with an area of greater pressure in the heel and lateral part of the metatarsus. Conclusionsː It is recommended to introduce exercises into the training process aimed at preventing and correcting the correct position of the feet in order to reduce the risk of injuries to the ankle and knee joints.
Delayed Enterocutaneous Fistula After 17 Years of Colon Anastomosis in a Gunshot Wound injury : A case report
Authors: Nur Nuradin Mohamed , ahmed Abdullahi abdi 
Published: April 2023

Abstract
Introduction: enterocutaneous fistula is a common complication of abdominal surgery. Postoperatively, it may be the result of a small intestinal injury or an anastomosis leak, and it typically manifests days or weeks following surgery.
Presentation of the case: A 56-year-old man with a history of gunshot wound injury in the abdomen, with colon injury managed for colocolic anastomosis seventeen years earlier prsented to our hospitals general surgery clinic with the complain of drainage at the scar area. It was discovered that he had an enterocutaneous fistula. The patient underwent a laparotomy. Fistula tract excision and segmental colon resection with colocolic anastomosis were done.
Discussion Enterocutaneous fistula formation after an extraordinarily long latency due to an anastomotic leak, which hasn't been previously documented in the literature, is a distinctive aspect of the case. As a result, surgeons should consider ECF in their differentials for patients with a history of abdominal operations.
Conclusion: Surgical management is the definitive treatment of enterocutaneous fistula after proper resuscitation and stabilization of the patient's condition. Preoperative imaging is crucial for determining the anatomy of the fistula and any associated intra-abdominal pathology.
Assessment of Pollution Stae of Beire Lake in Sri Lanka Using Water Quality Index, Trophic Status and Principal Component Analysis
Authors: Dharmarathna Dilshi , Galagedara Ridmi , Himanujahn Sivaperumaan , Karunaratne Shiromi , Athapattu Bandunee 
Published: April 2023

Abstract
Beira Lake, in the heart of Colombo City in Sri Lanka, is a prominent landmark, serving a variety of important services such as flood control, and providing habitat and nesting grounds for the city's wildlife. During the past decades, Beira Lake has become highly polluted due to anthropogenic activities. The majority of the past restoration attempts failed, revealing a lack of understanding of the pollutant intricacies. The objective of this study is to investigate the trophic status of all four basins of the lake to investigate the pollution status. Thirty sampling locations were selected based on a 100×100 m grid to cover the entire lake. Water Quality Index (WQI) and Trophic Level Index (TLI) were calculated to further investigate the pollution scenarios. WQI, total nitrogen, Total phosphorous, Secchi depth, and Chlorophyll-a (Chl-a) were considered to calculate the TLI of the lake. As per the WQI more than 93% of the lake's surface area, is in poor condition. The TLI reveals the hypereutrophic status of the lake water. According to principle component analysis, eutrophication and algal bloom index observed can be due to the heavy anthropogenic activities and land use patterns around the catchment indicating a high possibility of untreated effluent entering the lake through the active inlets. The effluent entering the lake should be managed immediately to prevent further deterioration of the entire lake. Immediate restoration of the lake is recommended, as the hypereutrophic state may lead to irreversible an imbalance in the lake ecosystem.
Investigation of wear behavior of 34CrNiMo6 low alloy steel coated by PACVD method
Authors: naftchalie Yaser Mahdavi , Qods Fathallah , Ghasemi Behrooz 
Published: April 2023

Abstract
Despite favorable and various properties, low-alloy steels lack appropriate surface properties and strength. Accordingly, low-alloy steel 34CrNiMo6 was coated by the PACVD process. To this end, resources to supply titanium, nitrogen, and carbon were used in the coating composition. The methane flow rate is the main variable to create coatings with different compositions and thicknesses. The resulting coatings were studied and analysed in terms of mechanical properties and microstructure by EDS, AFM, FESEM, GIXRD, and XPS. The results showed that the C3N4 phase formed in the compositions improved the tribological properties of the coatings. Increasing the methane flow rate insignificantly affected the carbon content of the coatings.
Design of a Novel Load Balanced Multi-Sink Based Hierarchical Data Gathering Protocol for Wireless Sensor Networks
Authors: Biswal Sanjay Kumar , Samal Tusharkanta , Mohanty Prabhudutta , Mishra Manas Ranjan , Barik Ram Chandra 
Published: April 2023

Abstract
The diverse applications of Wireless sensor Networks (WSNs) significantly influences many aspect of human society and life style. One of the prominent research objective of WSNs is to prolong the network life span without degrading its performance. Many researchers have developed cluster based routing and data aggregations technique to meet the above requirements. However, a significant amount of energy has been consumed during cluster formation technique. Therefore, a hierarchical clustering data gathering protocol for multi sink architecture has been proposed. The optimal numbers of sink nodes have been placed to limit communication overhead. In addition to this Additive Silent and Zero Start approach has been adopted to manage the traffic load that increases the lifespan of WSN. The simulation has been carried out in Network Simulator (NS2) and the proposed method outperforms than its existing counterparts with respect to energy consumption, delay, miss ratio and packet delivery ratio.
RAPD and SRAP analysis reveal genetic diversity and clustering based on seed productivity in tree peony (Paeonia ostii)
Authors: Ho Un-Hyang , Kim Il Jin , Kim Hye Song , Song Sam Rang , An Chol Ho , Ri Hak Song , Kim Tong Ryul , Mun Hye Gyong 
Published: April 2023

Abstract
Tree peony is a shrub plant of great economic value due to its large and beautiful flowers, seeds containing much oil, root used as medicine. Understanding the genetic diversity and relationship of the tree peony cultivars is of great significance in facilitating breed and cultivar maintenance. In this study, we analysed genetic diversity and clustering of eight cultivated tree peony (Paeonia ostii) lines in Democratic People’s Republic of Korea using RAPD and SRAP primers. Dendrogram analysis indicates that eight lines were divided into two groups (Cluster I: D1, D2, D3, Cluster II: N1, N2, N3, N4, N5), which is consistent with clustering based on seed productivity. Clustering analysis based on STRUCTURE analysis and PCA analysis supports the phylogenetic analysis results. The RAPD and SRAP primers used in this study could be used to facilitate breeding, cultivar identification and maintenance to increase seed productivity.
Finding k-community structures in special graph classes
Authors: Baghirova Narmina , Dallard Clément , Ries Bernard , Schindl David 
Published: April 2023

Abstract
For a fixed integer $k\ge 2$, a \emph{$k$-community structure} in an undirected graph is a partition of its vertex set into $k$ sets called \textit{communities}, each of size at least two, such that every vertex of the graph has proportionally at least as many neighbours in its own community as in any other community. In this paper, we give a necessary and sufficient condition for a forest on $n$ vertices to admit a $k$-community structure. Furthermore, we provide an $\mathcal{O}(n^{2})$-time algorithm that computes such a $k$-community structure in a forest, if it exists. These results extend a result of [Bazgan et al., Structural and algorithmic properties of $2$-community structure, Algorithmica, 80(6):1890-1908, 2018]. We also show that if communities are allowed to have size one, then every forest with $n \geq k\geq 2$ vertices admits a $k$-community structure that can be found in time $\mathcal{O}(n^{2})$. We then consider threshold graphs and show that every connected threshold graph admits a $2$-community structure if and only if it is not isomorphic to a star; also if such a $2$-community structure exists, we explain how to obtain it in linear time. We further describe two infinite families of disconnected threshold graphs, containing exactly one isolated vertex, that do not admit any $2$-community structure. Finally, we present a new infinite family of connected graphs that may contain an even or an odd number of vertices without $2$-community structures, even if communities are allowed to have size one.
A new automated strategy for optimizing inclined interplanetary low-thrust trajectories
Authors: Burhani B. M. , Fantino E. , Flores R. , Sanjurjo-Rivo M. 
Published: April 2023

Abstract
This study proposes a new automated strategy for designing and optimizing three-dimensional interplanetary low-thrust (LT) trajectories. The method formulates the design as a hybrid optimal control problem and solves it using a two-step approach. In Step 1, a three-dimensional model based on generalized logarithmic spirals is used with heuristics in combination with a gradient-based solver to perform an automated multi-objective global search of trajectories and optimize for parameters defining the spirals, the launch date, as well as the number, sequence and configuration of the planetary flybys. In Step 2, candidate solutions from Step 1 are refined by further optimization with a direct method. Results show that, compared to similar algorithms based on two-dimensional models, the strategy implemented in Step 1 leads to better estimates of the optimal trajectories, especially when the orbits of the involved bodies are inclined with respect to the ecliptic plane. The proposed approximate method (Step 1) yields better agreement with high-fidelity solutions (Step 2) in terms of launch, flyby and arrival dates, in-plane and out-of-plane average LT accelerations and propellant consumption, leading to improved convergence when the Step 1 trajectories are employed to initiate the search in Step 2.
Preparation, characterization, and in vitro evaluation of the anticancer activity of Ce 3+ doped CuFe 2 O 4 spinel nanoparticles in MCF- 7 cell lines
Authors: Sheena T. V , Jyothish B. , Jacob John 
Published: April 2023

Abstract
In the current study, Ce-doped Copper ferrite, CuCexFe2-xO4(x=0.00, 0.03, and 0.05) particles in the nano range were prepared successfully by using the chemical co-precipitation technique. The structure, composition, optical properties, and morphological information of the obtained ferrite nanoparticles (NPs) were analyzed by making use of powder X-Ray diffraction (PXRD) pattern, Field Emission Scanning Electron Microscopic (FE-SEM) studies, Fourier Transform Infrared Spectroscopic (FT-IR) analysis, and Energy-dispersive X-Ray Spectroscopy (EDS), and the UV-Vis-NIR Spectroscopy. The MTT [3- 9(4, 5-Dimethylthiazol-2-yl)-2, 5-diphenyl tetrazolium bromide] test was utilized to examine the in vitro anti-cancer activities against the breast cancer MCF-7 cell line, which shows the dose-dependent cell survival within the range of concentration 6.25µg/mL-100µg/mL. In vitro cytotoxicity studies have shown that CuCexFe2-xO4 (x = 0.05) nanoparticles (NPs) were proved to be safe at lower concentrations, indicating their biocompatibility. However, higher concentrations (>25 g/mL) of the NPs lowered the cell viability and disrupted the cell lines of L929 fibroblasts. The ability of the nanoparticles to induce apoptosis in human breast cancer cells were studied by double staining method and flow cytometry and it was noted that apoptosis is one of the mechanism by which it induces cytotoxic effect on MCF-7 cell lines.
CD117+/CXCR4+ stem cell mobilization is associated to SDF1α, IL-6 and -8 in off-pump coronary revascularization open heart surgery
Authors: Polanco-Lozada Juan Rafael David , Hernandez Maria Esther Ocharan , Castillo Guillermo García , Quiroz Guillermo Díaz , Martínez Silvia Cortez , Estrada Luis Felipe Montaño , Chimal José Luis Aceves 
Published: April 2023

Abstract
Myocardial function recovery in ischemic cardiomyopathy patients requires engraftment of hematopoietic stem cells and coronary artery bypass grafting. Bypass surgery produces an inflammatory response that probably influences bloodstream stem cell mobilization. Although off-pump coronary surgery minimizes myocardial inflammation, the surgical bypass procedure produces myocardial inflammation thus influencing myocardial regeneration. Our aim was to determine if the inflammation associated to the bypass surgical procedure favors CD117+/CXCR4+ stem cell bloodstream mobilization. Method: Ten ml blood samples of 20 patients undergoing off-pump coronary revascularization open heart surgery were obtained pre-surgery, at the sternotomy moment, during Left Internal Thoracic Artery grafting, and at sternotomy closure. 1 ml of total blood was used to quantitate CD117+/CXCR4+ cells by flow cytometry with Specific monoclonal antibodies (BioLegend), whereas the remaining blood was used to obtain serum to evaluate IL-6, 8, TNFα, and SDF1α by chemiluminescence. Results: Pre-surgery IL-6 (10.2 pg/ml) and IL8 (18.6 pg/ml) serum concentration began to increase at the moment of sternotomy and reached their peak (79.1 and 28.4 pg/ml, respectively) at sternotomy closure; the already meaningful increase of IL-6 during Left Internal Thoracic Artery grafting (32.5 pg/ml) was associated with a significantly increase in SDF1α serum concentration (199 pg/ml vs 8.6 pg/ml pre-surgery value) and CD117+/CXCR4 + cell numbers (375x103 cells/ml vs 4x103 cell/ml pre-surgery value) that diminished to 114x103 cells/ml at sternotomy closure. Conclusion: CD117+/CXCR4+ stem cell mobilization in off-pump coronary artery bypass surgery is mediated by an increase in SDF1α result of an enhanced IL-6 and IL-8 serum concentration.
Long Intergenic Non-Coding RNA— Linc00659— Expression Changes in Gastric Cancer
Authors: Abdolzadeh Elmira , Abdi Esmat , Latifi-Navid Saeid , Zahri Saber , kholghi-Oskooei Vahid , Yazdanbod Abbas 
Published: April 2023

Abstract
Purpose Gastric cancer (GC) as a multifactorial disease is caused by environmental, infectious, and genetic factors. The aberrant expression of lncRNAs has been considered as a crucial feature of human cancer. In this research, we assessed the expression levels of a linc00659 in GC patients.Methods Expression of linc00659 in tumor and non-tumor tissues (a total of 82 samples) was evaluated using qRT-PCR in Iranian patients. The correlation between the linc00659 expression levels and clinicopathological features was assessed.Results Linc00659 was down-regulated in more GC samples compared to controls, but we found no significant association between the linc00659 expression levels and GC risk [expression ratio of linc00659 in tumor tissues versus non-tumor tissues was 0.57 (p = 0.33)]. After classifying patients into down−/up-regulation groups, a significant association was observed between the linc00659 expression and origin of the tumor (p = 0.01).Conclusion We found a significant association of the linc00659 expression with origin of the tumor. Further investigations with large sample size are required to assess the linc00659 function in tumor genesis.
WITHDRAWN: Hydrolyzed dyes as emerging environmental contaminants: household washing sources and electrochemical degradation
Authors: Zhao Xu , Hu Zhubing , Xu Yuyao , Liu Jianli , An Lihui , Wang Hongbo , Wang Yan , Zhu Bo , Tang Wei , Yang Qingbo , Yu Xi , Wang Ning , Mu Lingfeng 
Published: April 2023

Abstract

High-color saturation cotton fabrics dyed with reactive dyes often discharge hydrolyzed dyes during the washing process, resulting in dye transfer and water pollution because of the properties prone to hydrolysis of reactive dyes. To explore the sources of hydrolyzed dyes in the washing microenvironment, the hydrolysis experiment of pure reactive red 195 (RR195) and the washing experiment using some highly saturated colored fabrics (CFSCs) dyed with RR195 in a designed miniature washing device were carried out successively. Reversed-phase high-performance liquid chromatography (RP-HPLC) was used for the analysis of hydrolysis intermediates and final products of reactive red 195. The experimental results indicated that the structure of the dye shed on the fabric is consistent with the final hydrolysate of reactive red 195, which is the main colored contaminant in washing wastewater. To eliminate the hydrolyzed dyes from the source, an electrochemical degradation device was originally designed to degrade hydrolyzed dyes. The degradation parameters, including voltage, electrolyte concentration, and dye shedding concentration are discussed in the electrochemical degradation experiment. The electrochemical degradation device was also successfully implemented and verified in a home washing machine. The results showed that there were three hydrolysis intermediates and one final hydrolysate product in the hydrolysis process of RR195, and the washing and shedding of colored pollutants were the products of simultaneous hydrolysis of double reaction groups. The designed electrochemical degradation device can effectively eliminate the hydrolyzed reactive dyes and reduce the contaminants’ discharge during household washing.
Isolation, Identification and Characterization of α-cembratriene-4,6-diol Degrading Stenotrophomonas maltophilia H3-1 and Optimized Its Growth Parameters
Authors: Huang Shen , Hu Huibo , Qian Yumei , Manzoor Robina , Wang Qiuling , Shi Dongdong , Mao Duobin 
Published: April 2023

Abstract
Cembranoids compounds are mainly distributed in higher plants of the Pinaceae and Solanaceae families, as well as soft corals, and serve as important aroma precursors. Their degradation products are widely used in various aspects of life, such as farnesal, which finds extensive applications in the pharmaceutical industry. In this study, a strain (Stenotrophomonas maltophilia H3-1) was isolated from soil, which can efficiently degrade α-cedriene-4,6-diol.Based on GC-MS detection of α-cembratriene-4,6-diol degradation efficiency of the H3-1 strain, it was determined that the optimal culture conditions for H3-1 are 40°C, pH 8, maltose concentration of 2 g/L, and ammonium sulfate concentration of 2 g/L. Under the optimum culture conditions, the degradation rate of 1 mg/mL α-cembratriene-4,6-diol by H3-1 strain within 36 h was as high as 85.86%. This indicates the strong biodegradation ability of the H3-1 strain towards α-cembratriene-4,6-diol. Through GC-MS analysis, we identified the biodegradation products of α-cembratriene-4,6-diol, including farnesal. This provides a theoretical basis and microbial resources for further study on the degradation products and applications of α-cembratriene-4,6-diol.
Establishing Pelvimetry-Based Machine Learning Models to Predict Surgical Difficulty in Laparoscopic Intersphincteric Resection in Patients With Low Rectal Cancer
Authors: Tian shunhua , Zhao Chengxiong , Hu Hang , Hu Jinxiang , Liu Bo , Hu Heng , Chen Baoxiang , Ren Xianghai , Jiang Congqing 
Published: April 2023

Abstract
Aim Intersphincteric resection (ISR) is an anus-preserving procedure for the treatment of low rectal cancer. However, some patients have difficult ISR procedures due to pelvic stenosis. We aim to build a machine learning (ML) model to predict the difficulty of ISR.Methods We retrospectively collected information of 163 patients with low rectal cancer who underwent laparoscopic ISR from January 2017 to August 2022. The prediction models of surgical difficulty were constructed by five MLs. External validation of the European MRI and Rectal Cancer Surgery (EuMaRCS) score was also performed.Results Of 163 patients,36 (22.1%) were assessed as difficult, and 127 (77.9%) were assessed as non-difficult. 9 variables were finally included through lasso regression and binary logistic regression. Two main types of models were constructed, with one retaining all variables, with random forest (RF) performing best (accuracy, 0.878; positive predictive value [PPV], 1; negative predictive value [NPV], 0.867; sensitivity, 0.4; specificity, 1; area under the curve [AUC], 0.877; 95% confidence interval [CI], 0.732–1). The other category retained the 9 variables screened, with support vector machine (SVM) performing best(accuracy, 0.857; PPV, 0.636; NPV, 0.921; sensitivity, 0.7; specificity, 0.897; AUC, 0.854; 95% CI, 0.698–1). The EuMaRCS score did not show a better predictive performance in our study.Conclusions The ML models we developed were found to be more accurate in comparison to the EuMaRCS score. The pelvimetry-based ML model can be used as an effective predictive tool for identifying the difficulty of ISR for low rectal cancer.