bluuebunny/crossref_metadata_2025_split huggingface dataset:
Post-COVID-19 Pulmonary Complications among recovered COVID-19 patients: A cross-sectional study from Addis Ababa, Ethiopia
Authors: Seyoum Abebaw Bekele , Tegegnework Sisay Shine , Mengistu Mahider Molla , Mekonnen Tenbite Daniel , Asabel Abdurahman Mohammedamin , Dagnaw Alazar Gizate , Deribe Abenet Girma , Derese Tadios Niguss , Hundie Tsegaye Gebreyes , Getahun Bisrat Kassa , Huluka Dawit Kebede 
Published: April 2023

Abstract
Background: The COVID-19 pandemic has been linked to chronic pulmonary complications all over the world. Respiratory complications such as chronic cough, dyspnea, increased respiratory rate, and oxygen support demand are prevalent in recovered COVID-19 patients. These problems are long-term and have a negative impact on one's quality of life. Patients must be evaluated for potential complications, and risk factors must be found. Some reports around the world explain the factors that contribute to the development of these complications. However, to the best of our understanding, no reports of post-COVID-19 complications have been reported from Ethiopia.
Methods: Facility based cross-sectional study was done among 405 participants selected by simple random sampling technique. Structured questionnaire which includes participants’ demographic, clinical and 3rd month visit characteristics was collected by ODK and exported to SPSS version 25.0 for analysis. Percentage with frequency and median with IQR was used in descriptive statistics. The association between variables was analyzed with bivariate and multi variable logistic regression. A statistical significance was declared at p-value < 0.05, with 95% confidence interval.
Results: The median (IQR) age of participants was 57.0 (43.0, 65.0) years, 63.2% were males. The prevalence of post-COVID-19 pulmonary complication in recovered COVID-19 patients was 14.1% (95% CI: 10.8%, 17.8%). After adjusting for possible confounders on multivariate analysis, older age [AOR=0.227, 95% CI (0.08 – 0.66)] and consolidation [AOR=0.497, 95% CI (0.258 – 0.957)] were shown to have significant association with post COVID-19 pulmonary complications.
Conclusion: The prevalence of post COVID-19 pulmonary complication was observed to be lower than other reports globally. Older age and the presence of consolidation on lung imaging were associated with those complications.
Changes in the urine proteome after massage in healthy people
Authors: Bao Yijin , Pan Xuanzhen , Gao Youhe 
Published: April 2023

Abstract
This study aimed to explore the effect of massage on the urine proteome of healthy people. In this study, participants underwent 1-hour whole body massage. Urine samples were collected at 0, 2, and 24h after the massage and urine proteins were analyzed using liquid chromatography-tandem mass spectrometry (LC-MS/MS). Compared with the control (before massage), 41 differential proteins were identified in the group 2h after the massage, the random mean number of differentially produced proteins was 11 with 73% confidence, and the biological process of protein enrichment was catecholamine biosynthesis, which was related to the promotion of metabolism and the regulation of neural activities. While 29 differential proteins were identified in the group 24h after the massage, the random average number of differential proteins produced was 10, with the confidence of the difference decreased to 65%, and the effective biological process could not be enriched at this time. The results suggested that the difference in urine protein was greater at 2h after the massage and gradually decreased at 24h after the massage. The proteome of urine may reflect changes in the body following minor massage stimuli, providing a potential way to evaluate the effects of massage therapy.
Ecophysiological characteristics of the nematophagous fungus, Plectosphaerella plurivora, with biocontrol potential on Nacobbus aberrans s.l. in tomato.
Authors: Girardi Natalia Soledad , Sosa Ana Laura , García Joaquín Loyola , Passone María Alejandra 
Published: April 2023

Abstract
The plant-parasitic nematode, Nacobbus sp., is responsible for significant economic losses in horticultural production centers in Argentina and other countries in America, alone or in combination with other biotic and abiotic factors. Although the genus distribution is restricted to the American continent, it has quarantine importance and is subject to international legislation to prevent its spread to other regions. The management of phytoparasitic nematodes through biological control strategies is a promising eco-compatible alternative, allowing the sustainability of the crop horticultural system. Results of this study, firstly allowed ecophysiologically characterize Plectosphaerella plurivora SRA14, a strain with nematophagous activity on N. aberrans s.l. This fungal strain developed in vitro under a wide temperature range (20-30 °C), nevertheless the highest levels of water stress (Ψ: -7 and -10 Mpa; aW: 0.95 and 0.93) inhibited its growth. Notwithstanding, the production of extracellular enzymes by this strain was low, P. plurivora SRA14 was able to develop in the rhizosphere and endorhizosphere of the tomato and basil crops without affecting the plant vigor parameters and producing phytotoxicity signs. Secondly, this study evidenced the biocontrol activity of P. plurivora SRA14 on N. aberrans s.l. population in tomato implanted both on sterile (artificially inoculated) and naturally infested soils via greenhouse pot experiments. The results of this work revealed for the first time the potential of P. plurivora SRA14 to consolidate itself as a biological control agent of the phytoparasitic nematode, N. aberrans s.l., in horticultural crops.
Real-time monitoring of sports performance based on ensemble learning algorithmand neural network
Authors: Zhou Yucheng , Lu Wen , Zhang YingQiu 
Published: April 2023

Abstract
In order to improve the performance of sports performance prediction, based on computational learning algorithms, this article builds a sports performance prediction model based on ensemble learning algorithms under the guidance of machine learning ideas. Moreover, this article applies the cascade principle to improve the accuracy of the model and determines the cascade structure, studies the characteristics of spatio-temporal sequence data and the modeling methods of spatio-temporal sequence models, and combines the idea of selective integration learning to improve the spatio-temporal neural network model. In addition, this paper uses the L1 regularization method to sparsely weight and combine multiple STELM models to achieve selective integration. Finally, this paper designs experiments to predict the performance of this model in sports performance prediction. The research results show that the prediction results of the sports performance prediction model constructed in this paper are accurate.
Influence of the morphology and size of SiC particles on the mechanical characteristics of SiC-ceramics
Authors: Frolova Marianna G. , Lysenkov Anton S. , Kravchuk Konstantin S. , Zakorzhevsky Vladimir V. , Kim Konstantin A. , Kargin Yury F. 
Published: April 2023

Abstract
The hot press method obtained the SiC composite from different morphology and partial size powder. The starting SiC powder was: 1) fragmentation particle shape industrial charge of silicon carbide obtained by the Acheson method with sintering additive (9 wt.% Y2O3 − Al2O3) by Saint Gobain, 2) spherical particles SiC obtained by SHS in a laboratory. Bending strength, critical stress intensity factor, density, the friction coefficient of samples of the obtained ceramics were determined. It has been established that the properties of ceramics obtained from SHS silicon carbide powder (spherical particles with sizes of 100–400 nm), due to better compaction, were at least 10% higher than samples from Saint Gobain powder: bending strength 400 ± 22 MPa, density 3.23 ± 0.01 g/cm3, critical stress intensity factor К1С = 4.8 ± 0.3 MPa∙m1/2, friction coefficient 0.1126 ± 0.0031.
AHNAK Downregulation Contributes to Nasopharyngeal Carcinoma Tumorigenesis and Metastasis
Authors: Lu Xingxing , Mei Yan , Fan Chunmei , Chen Pan , Li Xiayu , Zeng Zhaoyang , Li Guiyuan , Xiong Wei , Xiang Bo , Yi Mei 
Published: April 2023

Abstract
Purpose
Nasopharyngeal carcinoma (NPC) is an aggressive head and neck disease with a high incidence of distant metastases. Enlargeosomes are cytoplasmic organelles marked by, desmoyokin/AHNAK. The purpose of this study was to evaluate the expression of AHNAK in NPC and its effect on enlargeosomes, and to investigate the correlation between AHNAK expression levels and clinical NPC patient characteristics.
Methods
Primary nasopharyngeal carcinoma (NPC) and NPC specimens were evaluated by analyzing public data, immunohistochemistry. Systematic in vitro and in vivo experiments were performed using different NPC-derived cell lines and mouse models.
Results
In this study, we detected AHNAK and Annexin A2(ANXA2), a protein coating the surface of enlargeosomes, in NPC samples. We found that AHNAK was down-regulated, whereas Annexin A2 was upregulated in human NPC tissues. Down-regulation of AHNAK was associated with poor overall survival in NPC patients. Upregulation of Annexin A2 was associated with lymph node metastasis and distant metastasis in NPC patients. Functional studies confirmed that silencing of AHNAK enhanced the growth, invasion, and metastatic properties of NPC cells both in vitro and in vivo. In terms of mechanism, loss of AHNAK led to increase of annexin A2 protein level in NPC cells. Silencing ANXA2 restored the migrative and invasive ability of NPC cells upon loss of AHNAK. Moreover, transcription factor FOSL1-mediated transcriptional repression was responsible for the low-expression of AHNAK by recruiting EZH2.
Conclusion
Here, we report AHNAK as a tumor suppressor in NPC, which may act through annexin A2 oncogenic signaling in enlargeosome, with potential implications for novel approaches to NPC treatment.
The Structural Equation Model of the Spatial Distribution of Hydraulic Facilities on the Beijing-Hangzhou Grand Canal and its Correlation with Natural Factors
Authors: Wang Cheng , Tan Lifeng , Zhang Yiwen , Li Liang , Yan Yihua , Hu Yang , Zeng Yangqinxue 
Published: April 2023

Abstract
Hydraulic facilities are an important part of the Ming and Qing Dynasty's Beijing-Hangzhou Grand Canal, and their distribution is closely related to the hydrological terrain in which they are located. This paper reconstructed the distribution map of the canal network and hydraulic facilities database during the Ming and Qing dynasties using ArcGIS, and used Amos 26.0 software to explore the impact of natural environmental factors on the selection of hydraulic facility locations. The results showed that the slope and slope direction of the main stream were directly related to the spatial distribution of hydraulic facilities. The estimated value of the slope of the main stream was -0.166, which was negatively correlated with the spatial distribution of hydraulic facilities, and the estimated value of the slope direction of the main stream was -0.112, which was negatively correlated with the spatial distribution of hydraulic facilities. The estimated value of the watershed area where the hydraulic facilities were located was -0.096, which was also negatively correlated with the spatial distribution of hydraulic facilities. The slope and slope direction of the tributaries indirectly affected the spatial distribution of hydraulic facilities through the watershed area where the hydraulic facilities were located and did not have a direct correlation. The effect value of the slope of the tributaries was -0.017, which was negatively correlated with the spatial distribution of hydraulic facilities, and the effect value of the slope direction of the tributaries was 0.010, which was positively correlated with the spatial distribution of hydraulic facilities.
Association of the presence of a COVID-19 infection at the time of birth and the rates of exclusive breastfeeding upon discharge in BFHI hospitals: a multicenter, prospective cohort study
Authors: GABRIEL MIGUEL ÁNGEL MARÍN , LOZOYA SERGIO MARTIN , IBARRA SUSANA DE LAS HERAS , COMECHE LAURA DOMINGO , CARRASCO ERSILIA GONZÁLEZ , MALLADA PAULA LALAGUNA , SIREROL NATALIA VILLÓ , FERNÁNDEZ LUCÍA GARCÍA , MARTÍNEZ JOSÉ JIMÉNEZ , VICENTE ANA ROYUELA 
Published: April 2023

Abstract
Background There are very few studies assessing the association between a COVID-19 infection and the rates of exclusive breastfeeding (EBF) upon discharge following the first waves of the pandemic and after the initiation of vaccination. The primary objective of this study is to compare the rates of EBF upon discharge in mothers diagnosed with a COVID-19 infection at the time of the birth versus a group of non-infected mothers in maternity hospitals with Baby Friendly Hospital Initiative (BFHI) accreditation. The secondary objectives include determining the rates of BF at 3 and 6 months of life in both groups, as well as determining the possible factors involved in the rates of EBF observed upon discharge.Methods An observational, multi-center, prospective cohort study conducted from April 1, 2021 to March 31, 2022 and with follow-up during the first six months of life. Follow-up was performed via telephone contact with calls performed at three and six months. A multivariate logistic regression analysis model was performed to identify the factors related to a lower probability of EBF upon discharge.Results 308 mother-infant pairs participated in the study, 111 in the cohort of exposed patients and 197 in the cohort of non-exposed patients. Exposure to COVID-19 during the birth (AOR 5.28; 95% CI 2.01, 13.86), not practicing BF previously (AOR 36.3; 95% CI 7.02, 187.74), birth via cesarean section (AOR 5.06; 95% CI 1.62, 15.79) and the weight of the newborn (AOR 1.01; 95% CI 1.01, 1.01) were associated with a greater risk of not performing EBF upon discharge. At three months, 52.4% of exposed patients vs. 57% of non-exposed patients (p = 0.33) were performing EBF, with the rates of EBF at six months being 43% vs. 39.3% (p = 0.45) respectively.Conclusions Mothers with a mild or asymptomatic COVID-19 infection at the time of the birth had a lower probability of feeding their babies with EBF at the time of discharge from hospital in a group of BFHI-accredited hospitals.
Abdominal pain accompanied by elevated serum inflammatory markers and biliary enzymes for diagnosing immune checkpoint inhibitor-induced sclerosing cholangitis
Authors: Yamamoto Takafumi , Mizuno Kazuyuki , Ito Takanori , Yokoyama Shinya , Yamamoto Kenta , Imai Norihiro , Ishizu Yoji , Honda Takashi , Ishikawa Takuya , Kanamori Akira , Yasuda Satoshi , Toyoda Hidenori , Yokota Kenji , Hase Tetsunari , Nishio Naoki , Maeda Osamu , Ishii Makoto , Sone Michihiko , Ando Yuichi , Akiyama Masashi , Ishigami Masatoshi , Kawashima Hiroki 
Published: April 2023

Abstract
Background: Immune-related sclerosing cholangitis (irSC) is relatively rare and its clinical characteristics are not well known. In this study, we aimed to summarize the clinical features of irSC.
Methods: Clinical data were collected retrospectively from 1,393 patients with advanced malignancy treated with immune-checkpoint inhibitors (ICIs) between August 2014 and October 2021. We analyzed patients with immune-related adverse events of liver injury (liver-irAEs) and compared irSC and non-irSC groups.
Results: Sixty-seven patients (4.8%) had a liver-irAE (≥ grade 3) during the follow-up period (median, 262 days). Among these, irSC was observed in eight patients (11.9%). All patients in the irSC group were treated with anti-PD-1/PD-L1 antibodies. Compared with the non-irSC group, the irSC group showed mainly non-hepatocellular liver injury (87.5 % vs 50.8 %, P = 0.065), and had elevated serum inflammatory markers (e.g., CRP and NLR) and biliary enzymes (e.g., GGTP and ALP) at the onset of liver-irAEs. Furthermore, most patients with irSC had abdominal pain. In the non-irSC group, the liver injury of 23 patients improved only with the discontinuation of ICIs, and 22 patients improved with medication including prednisolone (PSL). Conversely, almost all patients (n=7) in the irSC group were treated with PSL, but only two patients experienced an improvement in liver injury.
Conclusion: We found that irSC is characterized by a non-hepatocellular type of liver injury with abdominal pain and a high inflammatory response and is refractory to treatment. Further examination by imaging is recommended to detect intractable irSC in cases with these characteristics.
WITHDRAWN: Production and characterization of new composite materials from glass fiber, calcite, and starch reinforced WPET by extruder system
Authors: DENİZ Şermin , AYDOĞMUŞ Ercan , KAR Filiz 
Published: April 2023

Abstract

Various products are used as reinforcement elements to improve the properties of polymeric materials and to reduce costs. This study aimed to enhance the mechanical properties of waste polyethylene terephthalate (WPET). Besides, the contribution to environmental protection by using recycled products is one of the objectives of this study. Composite materials have been prepared by adding various ratios of glass fiber (3 wt.%, 6 wt.%, 9 wt.%, and 15 wt.%), calcium carbonate (5 wt.%, 15 wt.%, and 25 wt.%), and corn starch (3 wt.%) as filler into WPET. Morphological, thermal, mechanical, physical, and chemical properties of these composites have been examined by Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), thermogravimetric analysis (TGA), mechanical strength, and Shore D hardness tests. When the amount of starch in the samples is fixed, it has been observed that the hardness increases as the amount of calcite and glass wool increases. Although there is a slight decrease in thermal conductivity as the ratio of glass fiber increases, there is no significant change. However, as calcium carbonate (CaCO3) ratio increases, the thermal conductivity values also raise.
Bird and Arthropods Predation in Mosaic Agricultural Landscapes: Implication of Habitat Heterogeneity for Ecosystem Services
Authors: Osie Mulatu , Shibru Simon , Nemomissa Sileshi 
Published: April 2023

Abstract

Although predation is one of the key factors in determining the abundance and composition of predators, quantitative estimates of it in tropical rain forests remain patchy. We conducted an experiment in Kafa coffee agroecosystem, Southwestern Ethiopia to measure the predation rate of biocontrol on pest mimics and to assess the effect of habitat heterogeneity on these processes. We compared rates of attacks of birds and arthropods on 3000 plasticine caterpillars deployed in complex and tree simplified landscapes. We recorded a total of 33.9% incidences of predations; out of which, 46.90% was bird predation, 51.53% were gnawed by arthropods and 1.57% were unidentified. Predation rates of these natural enemies significantly differed (p < 0.05)among the landscapes. Nearly Twenty percent being in the complex and 14.2% in the tree simplified landscapes. Data were analyzed using a generalized linear mixed effect models of R program. We found higher predation rate of birds in the complex and more arthropods predation in tree simplified landscapes. We conclude that predation rates were positively related to the diversity of natural enemies and structurally complex natural habitats maintained a higher density of predators to control pests.
Development of mesoporous oxide structure using non–ionic surfactants for adsorptive application
Authors: Sarma Paran , Singh Sohan , De Mahuya 
Published: April 2023

Abstract
This study investigated the effect of non–ionic surfactants in developing structure of an oxide during preparation by precipitation. Aluminum oxide was used as base oxide while Tween 20 was used as the non-ionic surfactant. Effects of surfactant concentration and structure, pH and aging temperature on oxide properties were investigated. The use of surfactant modified the structure of aluminium oxide increasing fraction of mesopores as well as surface area and pore volume at all concentrations of surfactant. However, variation of surface area with surfactant concentration was not significant. Bayerite was observed as the predominant phase in all samples. Alkaline pH was observed to facilitate enhanced interaction between surfactant and hydroxide matrix resulting in high average pore size. The surface area of the samples did not differ significantly but pore volume increased from 0.6 to 1.1 ml/g as aging temperature was increased. More uniform and narrower mesopore distribution were observed for oxide prepared in presence of Tween 20 compared to that prepared using Tween 60 or Tween 80, suggesting higher interaction with the former. The 30 wt.% zinc supported on surfactant modified aluminium oxide showed higher thiophene removal capacity compared to when unmodified support was used.
Analysis of non-uniform laminar flow past a circular cylinder on the flow and sound field evolution using direct numerical simulation approach
Authors: Kumar Nilesh , Kumar Shashi , Arumuru Venugopal , Bhumkar Yogesh G. 
Published: April 2023

Abstract
This paper analyses the effects of a non-uniform laminar flow past a circular cylinder using the direct numerical simulation (DNS) approach. Compared to the cylinder immersed in a uniform flow case, modifications caused by the non-uniform approaching flow on the evolution of the flow and sound fields are studied in detail in the present work. The prescribed non-uniform velocity profile at the inlet has a Gaussian distribution and imitates a jet or a wake flow velocity profile. The sound is generated due to periodic vortex shedding behind the circular cylinder. The frequency of vortex shedding and the strength of the shed vortices depend on the inflow velocity profile. Hence variation of the inflow velocity profile alters the shed vortices, changing the generated sound field. It is observed that the amount of gain or deficit present in the prescribed inflow velocity profile compared to the uniform inflow profile alters the sound field information. The jet kind of inflow profile creates a sound of higher frequency and intensity in contrast to the wake kind of inflow profile. The presence of shear in the inflow velocity profile is also expected to change the sound propagation direction. However, in present simulations, the distance over which sound propagation is considered is small compared to the wavelength of the sound waves, and sound beam drift effects are not observed much.