bluuebunny/crossref_metadata_2025_split huggingface dataset:
Fabrication of nano zero valent iron/biopolymer composite with antibacterial properties for simultaneous removal of nitrate and humic acid: Kinetics and isotherm studies
Authors: Pourbaghaei Nazanin Zahra , Anbia Mansoor , Rahimi Fatemeh 
Published: March 2021

Abstract
This investigation compared the adsorption behavior of humic acid (HA) on cellulose, chitosan and nano zerovalent iron/chitosan (nZVI/chitosan). Results show that nZVI/chitosan is very effective in the adsorption of HA from aqueous media. The feasibility of using nZVI/chitosan as an adsorbent for the simultaneous removal of nitrate and HA from aqueous media was also studied. Structural analyses of the samples were identified by TEM, FT-IR, EDX, XRD and N2 isotherms. The effects of pH, amount of composite, nitrate concentration, HA concentration and contact time and their interactions on responses were explored by central composite design (CCD) and response surface methodology (RSM). The optimal conditions of pH (5.5), adsorbent amount (0.098 g), reaction time (27 min) and initial concentrations (110 mg/L for nitrate and 30 mg/L for HA) were obtained from desirability function. The adsorption properties of the resulting nanocomposite toward nitrate and HA were investigated through kinetic and isotherm adsorption studies. The adsorption kinetics was found to fit the pseudo-second order model. The results obtained indicate that nitrate uptake fitted well with the Langmuir model while the Freundlich isotherm was the best model for describing the multilayer uptake of HA from aqueous solutions. Moreover, nZVI/chitosan nanocomposite illustrates a very high antibacterial activity against pathogen bacteria strains such as Staphylococcus aureus ATCC 25935, ATCC 25923, and Pseudomonas aeruginosa ATCC 27853. The findings reported in this investigation highlight the potential of using nZVI/chitosan as a promising adsorbent for the simultaneous removal of nitrate and HA from aqueous solutions.
Transcriptome analysis reveals potential mechanisms and pathways underlying embryonic development with respect to muscle growth and egg production in slow and fast growing chickens
Authors: Kanakachari M. , Ashwini R. , Chatterjee R. N. , Bhattacharya T. K 
Published: March 2021

Abstract
Background: Chicken is one of the important meat sources throughout the globe. Muscle development and egg production are important genetic traits in commercially raising chickens. However, not much information is available in the fast and slow growth of chicken to determine the expression of genes involved in muscle development and egg production in embryo initiation and developmental stages. This study was designed to investigate why improved Aseel (PD4) growing slowly compared with the control broiler (CB), microarray was conducted with the 7th-day embryo and 18th-day thigh muscle of improved Aseel (PD4) and control broiler (CL), respectively.Results: In the differential transcripts screening, all the transcripts obtained by microarray of slow and fast growth groups were screened by fold change ≥1 and false discovery rate (FDR) <0.05. In total, 19022 transcripts were differentially expressed between the 7th-day embryo and 18th-day thigh muscle of improved Aseel compared to the control broiler. Further analysis showed that a high number of transcripts are differentially regulated in the 7th-day improved Aseel embryo (15382) and fewer transcripts were differentially regulated (3640) in the 18th-day thigh muscle of improved Aseel compared to control broiler. In the 7th and 18th-day improved Aseel embryo, 10127, 2102, 5255, and 1538 transcripts were up and down-regulated, respectively. The commonly up and down-regulated transcripts are 545 and 381 between the 7th and 18th-day of embryos. In this study, we have selected 18 Gallus gallus candidate reference genes from NCBI and total RNA was isolated from control broiler, improved Aseel embryo tissues, and studied their expression profiles by real-time quantitative PCR (qPCR). The best housekeeping gene was identified by using geNorm, NormFinder, BestKeeper, Delta CT, and RefFinder analytical software. The result showed that the TFRC gene is the most stable and further it is used for qPCR data normalization. Further, to validate the differentially expressed genes (DEGs) related to muscle growth, myostatin signaling and development, fatty acid metabolism genes in improved Aseel (PD4) and control broiler embryo tissues by qPCR. Conclusion: Our study identified DEGs that regulate myostatin signaling and differentiation pathway, glycolysis and gluconeogenesis, fatty acid metabolism, Jak-STAT, mTOR, and TGF-β signaling pathways, tryptophan metabolism, PI3K-Akt signaling pathways in improved Aseel. The results revealed that the gene expression architecture is present in the improved Aseel exhibiting embryo growth that will help to improve muscle development, differentiation, egg production, as well as protein synthesis in improved Aseel native chicken. Our findings may be used as a model for improving the growth in improved Aseel as well as optimizing the growth in the control broiler.
Influence of water saturation on the strength characteristics and deformation behavior of hardened cement paste backfill
Authors: Wang Jie , Fu Jianxin 
Published: March 2021

Abstract
In this study, a uniaxial compression experimental was conducted to examine the mechanical properties of hardened cemented paste backfill (CPB) with different water saturations (0.18%, 4.98%, 9.30%, 21.6%, 32.8%, and 100%). The experimental results demonstrated that water saturation loosened the overall structure of the CPB, which led to the deterioration of its mechanical properties. As the water saturation increased, the uniaxial compressive strength (UCS), residual strength, strength difference, deformation modulus, secant modulus, E50 (the secant modulus at 50% of the UCS), peak strain, and elastic strain decreased, while the plastic strain ratio increased. The UCS, E50, and peak strain demonstrated exponential function relationships with the water saturation. After the peak point, when the water saturation was less than 20%, the strength of the CPB decreased rapidly, and when the water saturation was greater than 30%, the strength decreased slowly. Lastly, the plastic strain, the strain at 50% of the UCS, and the strain at the maximum secant modulus conformed to the normal distribution, and the water saturation had a minimal impact on these three strains. The fractal dimension, D, of the cracks in the CPB increased exponentially with increasing water saturation and demonstrated a negative linear correlation with the UCS.
Edge surface supercurrent and transport anomalies in Hall effect measurements in Nb
Authors: Zhou Dan , Zeng Hansong , Tang Rujun , Hang Zhi Hong , Hu Zhiwei , Pei Zixi , Ling Xinsheng 
Published: March 2021

Abstract
We report an experimental study of the edge surface superconductivity and the Hall effect in a Nb thin film Hall device. We show that the previously reported anomalous sign reversal of the Hall resistance across the superconducting-normal transition is due to the edge supercurrent. Large anomalous oscillations between the transverse voltage probes are observed in the field range between Hc2 and Hc3, in both the anti-symmetric (Hall) and symmetric (resistive) channels. These oscillations are extremely sensitive to a small tilting of the edge surface relative to the external magnetic field. We suggest that these oscillations may arise from the Aharonov-Bohm interference of the edge supercurrents.
Urbooriented Development of the National Innovative System in the US Metro Areas
Authors: Minat V. N. 
Published: March 2021

The socio-economic heterogeneity of spatial development is reflected in modern agglomeration processes, reflecting, first of all, the concentration and localization of innovative activity of elements of innovation systems of the national, regional and transregional levels associated with the reproduction process of the innovation economy. In the United States of America, a country that occupies a leading position, both in terms of innovative development and the process of urbanization, there is undoubtedly a close relationship and interaction of innovatively active elements and economic agents with the structures that form the country’s metropolitan areas. Within the framework of this interaction, carried out under the influence of agglomeration effects in the space of post-industrial agglomerations of the United States, the urban-oriented development of the national innovation system is actively carried out, which is empirically confirmed in the framework of the study. The revealed correlation and indicative relationship between the noted phenomena made it possible to substantiate a number of specific features of the American metropolitan areas as geospatial conglomerates of innovative activity at the transregional level.
Morphological and functional criteria for the effectiveness of recreational activities in children
Authors: Tarakanov A. V. , Chaplygina E. V. , Elizarova E. S. , Tarakanova T. D. , Korshunov O. V. 
Published: March 2021

Objective. The study aimed to perform a comprehensive morphofunctional assessment of the effectiveness of recreational activities in children aged 9–12 years in the summer of 2019.Materials and methods. The study was conducted by the “Problem scientific laboratory of physical methods of diagnosis and treatment” of RostGMU in the children’s health and recreation camp “Mir” (Krasnyi Desant village, Gulf of Taganrog). Procedures and time of the study: somatometry, bioimpedance analysis, сardiointervalography, stabilometrics on the 2nd day of stay and 2.5 weeks after. Two groups were formed: Group I included overweight children (OW), n = 15 (boys, n = 9; girls, n = 6); Group II included children with normal physical development (NPD), n = 37 (boys, n = 17; girls, n = 20). The children received a non-drug complex of camp resource provision for 3 weeks.Results. Health measures did not lead to significant changes in the somatometric parameters. According to the results of the сardiointerval recording, an authentic increase in the variational range and vegetative rhythm index was found in children with NPD, which indicates an increase in the parasympathetic activity of regulation. The stress index decreased by 30% in the case of NPD, and by 6% in the case of OW. Data from the stabilometric “Balls” simulator showed that after the recovery, the regulation of postural control was optimized, and decision-making processes were accelerated, especially in children with NPD.Conclusion. The study showed that in order to assess the effectiveness of recreational activities, along with “mandatory” methods, it is advisable to use functional methods such as cardiointervalography and stabilometrics, which can be recommended for use in health and rehabilitation institutions to assess the adaptive capabilities of the organism.
Digital Biomarkers of Symptom Burden Self-Reported by Perioperative Patients Undergoing Pancreatic Surgery: Prospective Longitudinal Study
Authors: Low Carissa A , Li Meng , Vega Julio , Durica Krina C , Ferreira Denzil , Tam Vernissia , Hogg Melissa , Zeh III Herbert , Doryab Afsaneh , Dey Anind K 
Published: March 2021

Background
Cancer treatments can cause a variety of symptoms that impair quality of life and functioning but are frequently missed by clinicians. Smartphone and wearable sensors may capture behavioral and physiological changes indicative of symptom burden, enabling passive and remote real-time monitoring of fluctuating symptoms

Objective
The aim of this study was to examine whether smartphone and Fitbit data could be used to estimate daily symptom burden before and after pancreatic surgery.

Methods
A total of 44 patients scheduled for pancreatic surgery participated in this prospective longitudinal study and provided sufficient sensor and self-reported symptom data for analyses. Participants collected smartphone sensor and Fitbit data and completed daily symptom ratings starting at least two weeks before surgery, throughout their inpatient recovery, and for up to 60 days after postoperative discharge. Day-level behavioral features reflecting mobility and activity patterns, sleep, screen time, heart rate, and communication were extracted from raw smartphone and Fitbit data and used to classify the next day as high or low symptom burden, adjusted for each individual’s typical level of reported symptoms. In addition to the overall symptom burden, we examined pain, fatigue, and diarrhea specifically.

Results
Models using light gradient boosting machine (LightGBM) were able to correctly predict whether the next day would be a high symptom day with 73.5% accuracy, surpassing baseline models. The most important sensor features for discriminating high symptom days were related to physical activity bouts, sleep, heart rate, and location. LightGBM models predicting next-day diarrhea (79.0% accuracy), fatigue (75.8% accuracy), and pain (79.6% accuracy) performed similarly.

Conclusions
Results suggest that digital biomarkers may be useful in predicting patient-reported symptom burden before and after cancer surgery. Although model performance in this small sample may not be adequate for clinical implementation, findings support the feasibility of collecting mobile sensor data from older patients who are acutely ill as well as the potential clinical value of mobile sensing for passive monitoring of patients with cancer and suggest that data from devices that many patients already own and use may be useful in detecting worsening perioperative symptoms and triggering just-in-time symptom management interventions.
Metode Simple Additive Weighting Pada Penentuan Penerimaan Karyawan
Authors: Ermin Ermin , Sunardi Sunardi , Fadil Abdul 
Published: March 2021

Kemajuan ilmu pengetahuan dan ilmu teknologi mendorong manusia untuk lebih inovatif, profesional dan mampu dalam pengoperasian komputer. Namun, Sering didapati karyawan disuatu perusahaan tidak bertahan dengan jangka waktu yang singkat. Penyebab utamannya ialah kesalahan rekrutmen atau penentuan penerimaan karyawan. Hal ini terjadi karena belum adanya metode yang dijadikan sebagai standarisasi yang tersistem untuk menilai kelayakan penentuan penerimaan karyawan. Penelitian ini bertujuan untuk membangun sistem pendukung keputusan yang objektif dalam penentuan penerimaan karyawan menggunkan metode Simple Additive Weighting (SAW). Metode ini dipilih karena dapat menentukan nilai bobot untuk setiap atribut, kemudian dilanjutkan dengan proses perengkingan untuk mendapatkan alternatif tertinggi sampai terendah. Hasil penelitian perancangan sistem pendukung keputusan (SPK) dengan penerapan metode SAW dapat bersifat dinamis dan memberi kemudahan kepada perusahaan dalam proses penentuan penerimaan karyawan yang terpilih berdasarkan alternatif tertinggi dimulai dengan penginputan nama pendaftar, penginputan kriteria, penginputan bobot dan di beri nilai. Perengkingan dengan nilai tertinggi menjadi standarisasi kelayakan diterima sebagai karyawan dalam satu perusahaan.
Penerapan Pengembangan Sistem Extreme Programming Pada Aplikasi Pencarian Dokter Spesialis di Bandarlampung Berbasis Android
Authors: Gunawan Rakhmat Dedi , Napianto Riduwan , Borman Rohmat Indra , Hanifah Irma 
Published: March 2021

Pada pengembangan sebuah software dibutuhkan metodologi dalam merencanakan pembangunan sebuah sistem. Pendekatan agile development telah diperkenalkan sebagai upaya untuk membuat rekayasa perangkat lunak yang fleksibel dan efisien. Salah satu cabang metode agile development yang digunakan untuk menyesuaikan kebutuhan pengembangan adalah extreme programming (XP), yang merupakan pengembangan rekayasa perangkat lunak dapat digunakan untuk pengembangan sistem dengan requirement yang tidak jelas maupun terjadi perubahan terhadap requirement yang sangat cepat. Pada penelitian ini metode pengembangan sistem XP diterapkan pada aplikasi pencarian dokter spesialis. Dokter spesialis merupakan dokter yang mengkhususkan diri dalam suatu bidang ilmu kedokteran. Namun tidak semua tempat layanan kesehatan memiliki dokter spesialis tertentu, hal ini menyebabkan kesulitan bagi masyarakat dalam pencarian dokter spesialis yang sesuai dengan apa yang dibutuhkan oleh masyarakat. Untuk itu dalam penelitian ini akan dikembangan aplikasi pencarian dokter spesialis berbasis android dengan menggunakan metode pengembangan sistem XP agar dapat membantu masyarakat dalam melakukan pencarian dokter spesialis dengan rute terdekat berdasarkan pencarian sesuai kebutuhan pengguna. Berdasarkan pengujian black-box testing aplikasi pencarian dokter spesialis mendapatkan hasil bahwa pengujian yang dilakukan berjalan dengan baik, semua hasil pengujian fungsional aplikasi memiliki nilai lulus (pass).
Analisis Sentimen Transportasi Online pada Twitter Menggunakan Metode Klasifikasi Naïve Bayes dan Support Vector Machine
Authors: Dwianto Enos , Sadikin Mujiono 
Published: March 2021

Transportasi online merupakan salah satu pilihan bagi masyarakat untuk berkegiatan sehari-hari baik saat bekerja, bepergian dan melakukan aktivitas lain. Salah satu cara untuk mengetahui persepsi masyarakat terhadap layanan transportasi online adalah dengan analisis sentimen seperti yang dilakukan pada penelitian ini. Data yang digunakan merupakan data valid dari sosial media Twitter untuk Transportasi online GrabId dan GojekIndonesia. Teknik analisis sentimen yang digunakan adalah Naïve Bayes Classifier dan metode Support Vector Machine (SVM). Keduanya digunakan untuk membandingkan tanggapan masyarakat dari analisis sentimen data tweet yang telah diklasifikasikan menjadi positif dan negatif. Berdasarkan penelitian ini didapatkan bahwa GrabId menggunakan metode SVM memberikan hasil class precision positif dan negatif yaitu 86.47% dan 46.67%, class recall positif dan negatif yaitu 96.21% dan 18.06%, accuracy 84.08%. Sedangkan untuk GojekIndonesia, metode SVM memberikan hasil yaitu class precision positif dan negatif yaitu 73.90% dan 35.65%, class recall positif dan negatif yaitu 89.84% dan 15.07%, accuracy 69.50%. Dari akurasi yang dihasilkan, metode SVM menghasilkan kinerja terbaik.
BELIEF-LIKE IMAGINING AND CORRECTNESS
Authors: Chasid Alon 
Published: March 2021

AbstractThis paper explores the sense in which correctness applies to belief-like imaginings. It begins by establishing that when we imagine, we “direct” our imaginings at a certain imaginary world, taking the propositions we imagine to be assessed for truth in that world. It then examines the relation between belief-like imagining and positing truths in an imaginary world. Rejecting the claim that correctness, in the literal sense, is applicable to imaginings, it shows that the imaginer takes on, vis-à-vis the imaginary world, the first-person perspective of a believer. Imaginings, it concludes, “mimic” beliefs with respect to the property of being correct or incorrect by virtue of having true or false content.
Risk factors of maternal death in preeclampsia
Authors: Babazhanova S. D. , Lyubchich A. S. , Jabbarova Yu. K. 
Published: March 2021

Aim. To determine the factors contributing to maternal death due to preeclampsia.Materials and Methods. We performed a retrospective study of 149 maternal deaths from preeclampsia during 2013-2017, which included the analysis of birth histories, medical records, individual observation cards, outpatient records, and questionnaires of healthcare workers and relatives.Results. Preeclampsia was responsible for 24.1% of maternal deaths over 5 years (2013-2017). The causes of death in women with preeclampsia were: pulmonary oedema (33/149, 22.2% cases), acute renal failure (33/149, 22.2%), cerebral complications (43/149, 28.6%), and hepatic impairment (acute fatty liver of pregnancy or HELLP syndrome, 45/149, 30.2%). The majority of pregnant women admitted in critical condition because of acute fatty liver of pregnancy or HELLP syndrome (45/149, 30.2%), eclampsia at home (25/149, 16.8%), or severe hypertension (114/149, 76.5%). The majority of those who died from preeclampsia had premature births (86/149, 57.7%) and delivered by caesarean section (117, 78.5%), yet the latter was associated with a higher risk of maternal death in case of preeclampsia (OR = 30.028. 95% CI = 15.277-59.022) as compared with vaginal delivery. Risk factors of the maternal death in preeclampsia included late hospitalization (66% of deaths), inadequate antenatal care (64.4%), incorrect route of examination and hospitalization (31.6%), underestimation of the patient's condition (42.3 %), insufficient monitoring during pregnancy, childbirth and post childbirth (48.8%), and insufficient teamwork of medical staff (42.2%).Conclusions. Insufficient knowledge of preeclampsia symptoms by pregnant women and their families, insufficient monitoring of blood pressure, underestimation of organ dysfunction, late hospital admission, late delivery, insufficient antihypertensive therapy, delivery at elevated blood pressure, and insufficient teamwork of healthcare professionals increase the risk of maternal mortality in the patients with preeclampsia.
The Body of Woman and Woman’s Rights as Portrayed in Rupi Kaur’s milk and honey Based on Elaine Showalter’s Gynocriticism
Authors: Tarigan Priska , Pardede Martha , Marulafau Siamir 
Published: March 2021

In the time of modern writing, women writers are increasingly free in raising the theme of their writing. Women are no longer reluctant to write things related to a woman’s body and it’s issue. This research aims to analyze the body of women and woman’s rights as portrayed in Rupi Kaur’s milk and honey (2014). This research belongs to library research that applied descriptive qualitative method with gynocriticism approach. Reading and selecting data techniques were used to collect the data. 28 poems raise the theme of the body of a woman and its issue used as the data in this research. To analyze the body of woman and woman’s rights in milk and honey, gynocriticism theory by Ellaine Showalter were used. The result of the analysis shows that: 1) Woman’s body is described into three aspects, that is objectification of the body, owner of the body, and strength of the body. 2) There are three ways for a woman to embrace their rights. First, a woman is asked to be able to accept and acknowledge herself as she is. Second, a woman is expected to love and consider herself precious and equal to a man. Third, women must be able to help and to support other women in fighting for their rights.
Acute splenic pedicle torsion involving pancreatic tail: case report and computed tomography diagnostic role
Authors: Molinelli Valeria , Calvi Marco , Zorzetto Giada , Annoni Matteo , Venturini Massimo , Annibale Genovese Eugenio 
Published: March 2021

Background:
Wandering spleen is an unusual condition characterized by hypermobility of the spleen. Excessive mobility can cause torsion of the vascular pedicle with subsequent complications such as ischemia and necrosis. Clinical manifestations can vary from asymptomatic to abdominal emergency and treatment is often surgical.

Case Presentation:
We presented a case report of splenic torsion in a 24-year-old woman with complaints of upper abdominal pain associated with mild left hypochondrial tenderness. Laboratory testing and ultrasound were completely negative making the diagnosis difficult. A computed tomography (CT) scan was carried out due to worsening symptoms and it demonstrated a splenic torsion with involvement of the distal part of the pancreatic tail. Surgery was performed by laparoscopic splenectomy. No signs of pancreatitis were found.

Conclusion:
Splenic torsion is a rare but important differential diagnosis in patients with an acute abdomen and CT is often necessary to achieve the correct diagnosis and exclude possible complications.