bluuebunny/crossref_metadata_2025_split huggingface dataset:
Research on the torque performance for two multi-pole bilayer magnetorheological fluid couplings
Authors: Wu Jie , Deng Bingbing , Huang Hao 
Published: March 2023

This paper studies on the permanent magnets configuration on the transmission torque of the multi-pole bilayer magnetorheological (MR) coupling. Based on the electromagnetic field theory, the magnetic circuit models of traditional permanent magnet array (TPMA) and Halbach permanent magnet array (HPMA) are established, and the magnetic flux density within the MR fluid working gaps has been derived in order to evaluate the merits of the designed MR coupling. A 3D FE magnetic-fluid analysis has been necessary following the initial conceptual analysis, in order to study the influence of key parameters on the transmission torque. The results show that the transmission torque of the MR coupling with Halbach permanent magnet array is 33.45% higher than that of the ordinary permanent magnet array, with a same structure size. For the MR coupling with Halbach permanent magnet array, the unilateral magnetic focusing effect is better with the increase of the residual flux density of the secondary magnetic pole as well as the radial length of magnetic pole. And the single side magnetic focusing effect is the best when the main magnetic pole is 15°. The influence of the magnetic pole angle on the transmission torque has been further studied.
Mаss culture as the ground of the extraordinary music art: development, social and cultural value
Authors: Druzhinets Marianna 
Published: March 2023

The purpose of the article is to trace the genesis and significance of mass culture, which has the phenomenon of variety art, in particular, its formation, development, and the preconditions, causes, and conditions of origin, patterns of existence and basic world-view models. The methodology of the research is based on comparative, historical and logical methods. This methodological approach allows us to reveal and analyze certain worldview models of mass culture, the primary and additional preconditions for the formation of mass culture, to emphasize the concepts of D. Bella, Castells, M. Maklien, E. Toffler. The scientific novelty of the work is consisted in broadening the notions of the rapid development of mass culture in the twenty-first century, which is connected with the formation of a mass person to find a dynamic view of the future of man, new dimensions of its self-realization. Conclusions. The genesis of mass culture that emerged at the end of the XIX century represents a whole range of preconditions: economic, social and political, and directly cultural (creation of a new world picture, systems of values, new cultural and artistic mentality). Preconditions of the formation of mass culture are the problem field of processes of self-identification and adaptation of the individual to the social and cultural field; violation of traditional mechanisms of identification and self-identification; the transformation of the basic methods of systematization of information. A certain part of the social and cultural system in the era of the information society remains the basis of mass culture, and existential problems (the problem of free time, the problems of adaptation, the tense rhythm of activity, as well as the lack of a proper understanding of the complex problems of high culture) become the social preconditions for the development and widespread of mass culture. Positivism and pragmatism become the main ideological models of mass culture, and its development, undoubtedly, is connected with the formation of a mass person, "metacultural identity." Thus, mass culture as a social and cultural phenomenon is actively functioning as an entertaining industry, as well as in other artistic spheres that are associated with standardized thinking.
Key words: mass culture, variety of music art, Genesis, formation, development, conception, social and cultural significance.
Immigrant’s language identity in Chimamanda Ngozi Adichie’s Americanah
Authors: Chernyshova S. О. 
Published: March 2023

The article analyzes theoretical works which discuss the features of language identity in the era of global mobility. The current intensive movement of the human masses has led to a departure from the conceptualization of language as rooted in a specific locus, to its deterritorialization, to a shift from the language itself to its usage by an individual. The practical part of the article focuses on Chimamanda Ngozi Adichie’s novel “Americana” (2013). The scientific reflection refers to the analysis of the personality of the immigrants, who are the main characters of the novel, and the changes they experience when moving to a new country. The aim of the article is to study the ways of self-formation of foreigners in the context of their language self-identification. The language regime is present in the work on several important levels: preservation of the Igbo and resistance to the total dominance of the English language, linguistic assimilation of immigrants, assertion of the foreigner’s linguistic identity, language as a component of structural racism.Linguistic assimilation of immigrants causes them to abandon their native language, especially when it comes to migrants who speak the language of the country of settlement and, accordingly, speak to their children only in the language of a receiving country. At the same time, the novel “Americana” conveys the protagonist’s return to her own way of speaking, that is, Nigerian English. This shift signals her resistance to the complete negation of her identity in favor of the expectations and norms of the dominant group. In general, language is important for the formation of immigrant identity. The sensitivity of residents to pronunciation as well as to the level of command of the community’s language often causes alienation of the foreigner and a prejudiced attitude towards him/her. Therefore, immigrants try to get rid of labeling through language. They imitate the accents and pronunciation of the specific locus of their settlement. However, the main character of the novel “Americana” declares a new understanding of linguistic identity, which is closely related to the modern positioning of immigrants as those who are not ashamed of their difference, but on the contrary, respect their difference and insist on it.
Sex Education in Chinese Families with Teenager from the Perspective of Satir’s Iceberg Theory
Authors: Luo Jiajia , Fan Danni 
Published: March 2023

Nowadays, the development of the Internet makes it easy for Chinese teenagers to know something about sex. And teenagers begin to be curious and concerned about sexual detail because of physiological maturation in adolescence. However, sex education is a sensitive area for some parents, so that Chinese parents often interrupt or accuse teenagers when they have some issues about sex. The late data shows that when parents responded by avoiding the question about sex in families, the teenager will have a negative attitude toward sex. The purpose of this study that makes Chinese parents realize the importance of sex education in families first. In addition, Chinese parents need to actively change their ways and to conduct systematic and scientific sex education for children in families. It will be so helpful that teenagers can grow up healthily. The pertinent literature was collected and analyzed in the electronic database, so we think about sex education in Chinese families today based on the theory of Satir’s Iceberg. Therefore, parents that have children in adolescence should transform their views and coping styles so that real sexual values will be sent to teenagers in a healthy way.
Prevalence and Biological Characteristics of Listeria Species Isolated from Livestock and Poultry Meat in Gansu Province, China
Authors: DONG ZHIJIE , SUN YANAN , CAO QING , LIU HONGXIA , LIU YUANYUAN , CAO QIHANG , WEI HUILIN , SONG CHEN , GOU HUITIAN , XUE HUIWEN 
Published: March 2023

Abstract

Listeria monocytogenes is a widespread foodborne pathogen contaminating foods during their production or processing stages. Fresh meat is susceptible to such contamination if it is not properly preserved. Our study was conducted to reveal the level of contamination and prevalence of Listeria spp. present in livestock and poultry meat from Gansu province. A total of 1,387 samples were collected from five cities in Gansu Province according to standard sampling procedures, of which 174 samples (12.5%) were positive for Listeria species. Among them, 14 isolates of L. monocytogenes (1.0%), 150 isolates of Listeria innocua (10.8%), and ten isolates of Listeria welshimeri (0.7%) were identified by conventional bacteriological and molecular identification methods. All isolates were subjected to serological assays, antimicrobial susceptibility tests, growth curve assays, determination of biofilm-forming capacity, and cluster analysis of the 16S rRNA gene sequences. Four predominant serotypes of L. monocytogenes were identified, including 1/2a (35.7%, 5/14), 1/2b (14.3%, 2/14), 1/2c (42.9%, 6/14), and 4b (7.1%, 1/14). All L. monocytogenes isolates were resistant to tetracycline and cefoxitin. Most L. innocua isolates (63.6%, 14/22) and L. welshimeri (40%, 4/10) were resistant to tetracycline. The high biofilm-forming ability was observed among 1/2c and 1/2a serotype isolates. The cluster analysis of the 16S rRNA gene sequences revealed a close genetic relationship between the three Listeria species. This study fills the gap in the knowledge of livestock and poultry meat that carry Listeria in slaughterhouses and markets in Gansu Province.
Inactivation of Lactobacillus Bacteriophages by Dual Chemical Treatments
Authors: XU MING , MA RUIRUI , ZHANG CAN , HUANG XUECHENG , GAO XIN , LV RUIRUI , CHEN XIA 
Published: March 2023

Abstract
Phage contamination is one of the significant problems in the food fermentation industry, which eventually causes economic losses to the industry. Here, we investigated the viability of Lactobacillus plantarum phage P1 and P2 using various biocides treatments (ethanol, isopropanol, sodium hypochlorite and peracetic acid). Results indicated that phage P1 and P2 could be completely inactivated by treatment with 75% ethanol for 5 min, followed by 400 ppm of sodium hypochlorite treatment for 5 min. Phage P2 could be completely inactivated in the reverse sequence, while 800 ppm of sodium hypochlorite was required to achieve a similar effect for phage P1. Moreover, 100% isopropanol could increase the inactivating effect of 75% ethanol. This study may provide basic information on using multiple antimicrobials for phage control in laboratories and food plants.
A Molecular and Epidemiological Study of Cholera Outbreak in Sulaymaniyah Province, Iraq, in 2022
Authors: SABIR DANA KHDR , HAMA ZHWAN TALIB , SALIH KARZAN JALAL , KHIDHIR KARZAN GHAFUR 
Published: March 2023

Abstract
Cholera is a disease caused by a Gram-negative bacterium Vibrio cholerae and is among the significant threats to global public health. The disease is mainly spread in the hot months of the year; low sanitation and lack of clean water are the major causes of the disease. In this study, we conducted a molecular and epidemiological study of the recent outbreak in the city of Sulaymaniyah in Iraq. Based on the bacteriological, serological, and molecular identification of the bacterium, it was shown that V. cholerae O1 serotype Ogawa caused the disease. Additionally, the number of positive cholera cases were higher in June compared to July (391 positive cases in June and 23 in July). Moreover, the majority (> 60%) of the cholera cases were recorded among 20–44-year-old people in both months; however, there was no significant difference in the patient genders diagnosed every month. Overall, this is the first report on the recent cholera outbreak in the city of Sulaimaniyah in Iraq.
Prevalence of Closely Related Candida albicans Species among Patients with Vulvovaginal Candidiasis in Southern Poland Based on the hwp1 Gene Amplification
Authors: KLESIEWICZ KAROLINA , MROWIEC PAULINA , KANIA KATARZYNA , SKIBA-KUREK IWONA , BIAŁECKA JOANNA , NAMYSŁ MAGDALENA , MAŁEK MARIANNA 
Published: March 2023

Abstract

Candida albicans remains the most common species isolated from women with vulvovaginal candidiasis. However, closely related species such as Candida africana and Candida dubliniensis may also occur, although they are often misidentified. The aim of the study was to confirm the phenotypic identification of C. albicans and its closely related species isolated from women with genital tract infections by amplification of the hwp1 (hyphal wall protein 1) gene in a PCR assay. We report a detailed molecular identification of C. albicans and its closely related species among 326 patients in the Małopolska region, Poland. Initial phenotypic identifications were confirmed by amplification of the hwp1 gene. Based on molecular analysis, we revealed 307 strains (94.17%) as C. albicans and 17 as C. dubliniensis (5.22%). No strain of C. africana was detected. Two patients h ad co-infection with C. albicans and C. dubliniensis (0.61%). A PCR assay targeting the hwp1 gene was reliable for correctly identifying species among the C. albicans complex.
Probiotics and Prebiotics as Dietary Supplements for the Adjunctive Treatment of Type 2 Diabetes
Authors: WANG YUYING , WEN LINA , TANG HUAZHEN , QU JINXIU , RAO BENQIANG 
Published: March 2023

Abstract
In modern lifestyles, high-fat diets and prolonged inactivity lead to more people developing type 2 diabetes (T2D). Based on the modern pathogenesis of T2D, food, and its components have become one of the top concerns for patients. Recent studies have found that dysbiosis and gut-related inflammation are more common in T2D patients. Probiotics and prebiotics play complementary roles in the gut as dietary supplements. Together, they may help improve dysbiosis and intestinal inflammation in people with T2D, increase the production of blood glucose-lowering hormones such as incretin, and help reduce insulin resistance and lower blood glucose. Therefore, changing the dietary structure and increasing the intake of probiotics and prebiotics is expected to become a new strategy for the adjuvant treatment of T2D.
Efficacy of oxidized regenerated cellulose combined with fibrin glue in reducing pulmonary air leakage after segmentectomy in a porcine lung model
Authors: Yang He , Dong Zhiqiang , Wang Hongya , Liu Zicheng , Sun Wenbo , Wang Kun , Xu Xinfeng , Wen Wei , Wang Jun , Chen Liang , Zhu Quan 
Published: March 2023

Objectives: Pulmonary air leakage is a common complication following lung resection. We have designed a new method combining oxidized regenerated cellulose and fibrin glue to cover the intersegmental plane in clinical lung segmentectomy to prevent postoperative air leakage. In this study, an excised porcine lung segmentectomy model was created to validate its adhesive strength and effect on reducing air leakage.Methods: In the pre-experiment, six different larger lung segments were separated using electrocautery on the fresh isolated porcine lungs (n = 5 in each group). The air leakage degree and operation time of the lung segments were comprehensively evaluated to select the most suitable target segment for establishing the ex vivo porcine lung segmentectomy models. In the experiment, according to the different materials covered on the intersegmental plane, these models were randomly divided into four groups: group A used fibrin glue and oxidized regenerated cellulose (ORC) mesh (n = 20); group B used fibrin glue and polyglycolic acid (PGA) sheet (n = 20); group C used fibrin glue (n = 20); group D was the blank control group (n = 20). The minimum air leakage pressure (MALP) of the selected target segment in each group was measured using a stepwise increase of airway pressure, and histological assessment was performed on the sealed area samples from the four groups.Results: The operation time of the a segment of the right cranial lobe (R1a) was shorter than that of other segments (p &lt; 0.05), and there was no significant difference in the air leakage pressures between the six isolated segments (p = 0.76); thus, R1a was chosen for segmentectomy. In addition, the MALP was significantly higher in group A (41.8 ± 4.5 cmH2O) than in groups C (28.1 ± 2.3 cmH2O) and D (17.3 ± 1.2 cmH2O) (both p &lt; 0.001). The MALP of group B (69.5 ± 5.2 cmH2O) was significantly higher than that of group A (p &lt; 0.001), whereas that of group C was significantly higher than that of group D (p &lt; 0.001). Histological examination confirmed that the combined use of fibrin glue and ORC or PGA patch adhered more firmly to the intersegmental plane than that of fibrin glue alone, although some gaps could be seen between the fibrin glue and the surface of the lung segments in group C.Conclusion: The application of ORC combined with fibrin glue on the intersegmental plane has a good sealing performance in the ex vivo porcine lung segmentectomy model, suggesting that ORC may be an effective alternative material to replace PGA sheet to combine with fibrin glue for preventing air leakage after segmentectomy.
Long-term whole-body vibration induces degeneration of intervertebral disc and facet joint in a bipedal mouse model
Authors: Jin Lin-Yu , Yin Hong-Lin , Xu Yi-Qiong , Xu Shuai , Song Xiao-Xing , Luo Yan , Li Xin-Feng 
Published: March 2023

Background:Whole body vibration (WBV) has been used to treat various musculoskeletal diseases in recent years. However, there is limited knowledge about its effects on the lumbar segments in upright posture mice. This study was performed to investigate the effects of axial Whole body vibration on the intervertebral disc (IVD) and facet joint (FJ) in a novel bipedal mouse model.Methods:Six-week-old male mice were divided into control, bipedal, and bipedal + vibration groups. Taking advantage of the hydrophobia of mice, mice in the bipedal and bipedal + vibration groups were placed in a limited water container and were thus built standing posture for a long time. The standing posture was conducted twice a day for a total of 6 hours per day, 7 days per week. Whole body vibration was conducted during the first stage of bipedal building for 30 min per day (45 Hz with peak acceleration at 0.3 g). The mice of the control group were placed in a water-free container. At the 10th-week after experimentation, intervertebral disc and facet joint were examined by micro-computed tomography (micro-CT), histologic staining, and immunohistochemistry (IHC), and gene expression was quantified using real-time polymerase chain reaction. Further, a finite element (FE) model was built based on the micro-CT, and dynamic Whole body vibration was loaded on the spine model at 10, 20, and 45 Hz.Results:Following 10 weeks of model building, intervertebral disc showed histological markers of degeneration, such as disorders of annulus fibrosus and increased cell death. Catabolism genes’ expression, such as Mmp13, and Adamts 4/5, were enhanced in the bipedal groups, and Whole body vibration promoted these catabolism genes’ expression. Examination of the facet joint after 10 weeks of bipedal with/without Whole body vibration loading revealed rough surface and hypertrophic changes at the facet joint cartilage resembling osteoarthritis. Moreover, immunohistochemistry results demonstrated that the protein level of hypertrophic markers (Mmp13 and Collagen X) were increased by long-durationstanding posture, and Whole body vibration also accelerated the degenerative changes of facet joint induced by bipedal postures. No changes in the anabolism of intervertebral disc and facet joint were observed in the present study. Furthermore, finite element analysis revealed that a larger frequency of Whole body vibration loading conditions induced higher Von Mises stresses on intervertebral disc, contact force, and displacement on facet joint.Conclusion:The present study revealed significant damage effects of Whole body vibration on intervertebral disc and facet joint in a bipedal mouse model. These findings suggested the need for further studies of the effects of Whole body vibration on lumbar segments of humans.
In situ reduction of gold nanoparticles-decorated MXenes-based electrochemical sensing platform for KRAS gene detection
Authors: Yu Xiongtao , Bai Silan , Wang Lishi 
Published: March 2023

In this work, gold nanoparticles@Ti3C2 MXenes nanocomposites with excellent properties were combined with toehold-mediated DNA strand displacement reaction to construct an electrochemical circulating tumor DNA biosensor. The gold nanoparticles were synthesized in situ on the surface of Ti3C2 MXenes as a reducing and stabilizing agent. The good electrical conductivity of the gold nanoparticles@Ti3C2 MXenes composite and the nucleic acid amplification strategy of enzyme-free toehold-mediated DNA strand displacement reaction can be used to efficiently and specifically detect the non-small cell cancer biomarker circulating tumor DNA KRAS gene. The biosensor has a linear detection range of 10 fM −10 nM and a detection limit of 0.38 fM, and also efficiently distinguishes single base mismatched DNA sequences. The biosensor has been successfully used for the sensitive detection of KRAS gene G12D, which has excellent potential for clinical analysis and provides a new idea for the preparation of novel MXenes-based two-dimensional composites and their application in electrochemical DNA biosensors.
Comparison of the left and right ventricular size and systolic function of low-risk fetuses in the third trimester: Which is more dominant?
Authors: Zhu Chen , Li Man , Xu Cheng-Jie , Ding Meng-Juan , Xiong Yu , Liu Rui , Ren Yun-Yun 
Published: March 2023

ObjectiveTo quantify fetal cardiovascular parameters utilizing fetal-specific 2D speckle tracking technique and to explore the differences in size and systolic function of the left and right ventricles in low-risk pregnancy.MethodsA prospective cohort study was performed in 453 low-risk single fetuses (28+0–39+6 weeks) to evaluate ventricular size [i.e., end-diastolic length (EDL), end-systolic length (ESL), end-diastolic diameter (ED), end-systolic diameter (ES), end-diastolic area, end-systolic area, end-diastolic volume (EDV), and end-systolic volume (ESV)] and systolic function [i.e., ejection fraction (EF), stroke volume (SV), cardiac output (CO), cardiac output per kilogram (CO/KG), and stroke volume per kilogram (SV/KG)].ResultsThis study showed that (1) the reproducibility of the interobserver and intraobserver measurements was good to excellent (ICC 0.626–0.936); (2) with advancing gestation, fetal ventricular size and systolic function increased, whereas right ventricular (RV) EF decreased and left ventricular (LV) EF was not significantly changed; (3) LV length was longer than RV length in diastole (2.24 vs. 1.96 cm, P &lt; 0.001) and systole (1.72 vs. 1.52 cm, P &lt; 0.001); (4) LV ED-S1 and ES-S1 were shorter than the RV ED-S1 and ES-S1 (12.87 vs. 13.43 mm, P &lt; 0.001; 5.09 vs. 5.61 mm, P &lt; 0.001); (5) there were no differences between the LV and RV in EDA or EDV; (6) the mean EDV ratio of right-to-left ventricle was 1.076 (95% CI, 1.038–1.114), and the mean ESV ratio was 1.628 (95% CI, 1.555–1.701); (7) the EF, CO and SV of the LV were greater than the RV (EF: 62.69% vs. 46.09%, P &lt; 0.001; CO: 167.85 vs. 128.69 ml, P &lt; 0.001; SV: 1.18 vs. 0.88 ml, P &lt; 0.001); (8) SV and CO increased with ED-S1 and EDL, but EF was not significantly changed.ConclusionLow-risk fetal cardiovascular physiology is characterized by a larger RV volume (especially after 32 weeks) and greater LV outputs (EF, CO, SV, SV/KG and CO/KG).