bluuebunny/crossref_metadata_2025 huggingface dataset:
Substantiation of analytical dependences for hydraulic calculation of high-viscosity oil transportation
Authors: Nikolaev Alexander , Zaripova Natalia
Published: March 2022

One of the development priorities in oil and gas industry is to maintain gas and oil pipeline networks and develop pipeline-connected gas and oil fields of the Arctic zone of the Russian Federation, a promising region the resource potential of which will not only meet a significant portion of internal and external demand for various types of raw materials and primary energy carriers, but will also bring great economic benefits to subsoil users and the state. The mineral and raw material centers of the Nadym-Purskiy and Pur-Tazovskskiy oil and gas bearing areas are among the most attractive regions of the Arctic zone. It is necessary to develop a scientifically substantiated approach to improve the methods of oil transportation from the field to the existing pipelines. As it is known, the task of increasing the efficiency of pipeline transportation of high-viscosity oil is inseparably connected with solving problems in the field of thermal and hydraulic calculation of pipeline system. The article presents the substantiation of dependencies for hydraulic calculation of pipelines transporting high-viscosity oil exhibiting complex rheological properties. Based on the laws of hydraulics for non-Newtonian fluids, the formulas for calculating head losses for fluids obeying Ostwald's law are proposed, their relationship to the classical equations of hydraulics is shown. The theoretical substantiation of looping installation for increasing the efficiency of pipeline transportation of high-viscosity oil taking into account the received dependences for power fluid is considered.
Development of a methodology to assess the hydrocyclone process with account of the rheological properties of the mineral slurry
Authors: Aleksandrova Tatiana , Potemkin Vadim
Published: March 2022

The paper studies the possibility of assessing the separation of mineral raw materials, taking into account the rheology of the mineral slurry. The ores of the Mayskoye deposit were chosen as the object of the study, characterized by a thin impregnation of the valuable component – gold in the host minerals, which determines the use of fine and ultrafine milling. This fact is essential because the presence of a fine grade seriously affects the rheology of the mineral slurry used in subsequent mineral processing stages. This predetermines the necessity to take into account rheological parameters. The research performed provides the development of a methodology for assessing the separation of minerals in the hydrocyclone based on the interpretation of numerical and mathematical modeling data. using the object-oriented programming language Python, a program for calculating empirical coefficients of the rheological equation, theoretically describing the dynamics of internal transformations of the mineral slurry, was developed. Taking into account the process parameters of the laboratory unit with hydrocyclone and ore properties, three concentrations of solids in the mineral slurry were selected, conditionally corresponding to the minimum, average and maximum values. Rheological equations successively composed for three concentrations, i.e., 400, 500, and 700 g/l, made it possible to calculate the critical shear rates corresponding to the maximum dispersion of the mineral slurry in the hydrocyclone flow. Subsequent numerical simulation using Ansys Fluent software, as well as statistical evaluation of the shear rates at different levels of solids content showed that the shear rate profile in the cross-section of the hydrocyclone corresponding to the maximum dispersion of the mineral slurry is obtained at the content of 400 g/l.
Cerebral hemodynamics of hypoxic-ischemic encephalopathy neonates at different ages detected by arterial spin labeling imaging
Authors: Wang Jianing , Li Jia , Yin Xiaoping , Zhou Huan , Zheng Yating , Liu Huaijun
Published: March 2022

OBJECTIVE: This study aims to investigate the application value of three-dimensional arterial spin labeling (ASL) perfusion imaging in detecting cerebral hemodynamics of neonates with hypoxic-ischemic encephalopathy (HIE). METHODS: Sixty normal full-term neonates and 60 HIE neonates were enrolled in this study and were respectively divided into three groups: the 1–3 days group, the 4–7 days group, and the 8–15 days group. The brains of these neonates were scanned with the 3D ASL sequence, and cerebral blood flow (CBF) images were obtained. The CBF values of the bilateral symmetrical brain regions and brain stem were measured on CBF images, and the values were averaged. The cerebral blood flow of HIE neonates in the 1–3 days group, the 4–7 days group, and the 8–15 days group was compared with normal neonates at matched ages, and the characteristics of cerebral hemodynamics in HIE neonates at different ages were summarized. RESULTS: The CBF values of the basal ganglia, thalamus, and brainstem in the 1–3 days HIE group were higher than normal neonates at matched ages, and the CBF value of the frontal lobe was lower than the normal group, and the differences were statistically significant (P < 0.05). The CBF values of the basal ganglia, thalamus, corona radiata, and frontal lobe in the 4–7 days HIE group were lower than the normal group, and the differences were statistically significant (P < 0.05). There were no significant differences in CBF values of different brain regions between the 8–15 days HIE and normal groups (P > 0.05). CONCLUSION: Early hyperperfusion of the basal ganglia and thalamus is helpful for early diagnosis and prognosis of HIE.
Donald A.B. Lindberg and the U.S. National Library of Medicine transformed biomedical and health informatics
Authors: Miller Randolph A. , Shortliffe Edward H.
Published: March 2022

This overview summary of the Informatics Section of the book Transforming biomedical informatics and health information access: Don Lindberg and the U.S. National Library of Medicine illustrates how the NLM revolutionized the field of biomedical and health informatics during Lindberg’s term as NLM Director. Authors present a before-and-after perspective of what changed, how it changed, and the impact of those changes.
The biomedical informatics short course at Woods Hole/Georgia: Training to support institutional change
Authors: Cimino James J.
Published: March 2022

The US National Library of Medicine’s Biomedical Informatics Short Course ran from 1992 to 2017, most of that time at the Marine Biological Laboratory in Woods Hole, Massachusetts. Its intention was to provide physicians, medical librarians and others engaged in health care with a basic understanding of the major topics in informatics so that they could return to their home institutions as “change agents”. Over the years, the course provided week-long, intense, morning-to-night experiences for some 1,350 students, consisting of lectures and hands-on project development, taught by many luminaries in the field, not the least of which was Donald A.B. Lindberg M.D., who spoke on topics ranging from bioinformatics to national policy.
Something new and different: The Unified Medical Language System
Authors: Humphreys Betsy L. , Tuttle Mark S.
Published: March 2022

Donald A.B. Lindberg M.D. arrived at the U.S. National Library of Medicine in 1984 and quickly launched the Unified Medical Language System (UMLS) research and development project to help computers understand biomedical meaning and to enable retrieval and integration of information from disparate electronic sources, e.g., patient records, biomedical literature, knowledge bases. This chapter focuses on how Lindberg’s thinking, preferred ways of working, and decision-making guided UMLS goals and development and on what made the UMLS markedly “new and different” and ahead of its time.
A scientific mind embraces medicine: Donald Lindberg’s education and early career
Authors: Kingsland III Lawrence C. , Kulikowski Casimir A.
Published: March 2022

As a young pathologist, Donald A.B. Lindberg, M.D., tirelessly sought scientific solutions to clinical and research problems. Directing several clinical laboratories at the University of Missouri in Columbia, Dr. Lindberg developed the world’s first computerized laboratory information system, speeding analysis and reporting. He directed his team in building computer systems to help clinicians retrieve medical knowledge, enable patients to find information about personal or family health issues, and provide expert automated assistance to physicians in reaching differential diagnoses outside their specialties. Developing superior functionalities with the limited information technologies of the time, Dr. Lindberg’s pioneering work in Columbia foreshadowed his subsequent inspired leadership as Director of the United States National Library of Medicine.
The U.S. National Library of Medicine and standards for electronic health records: One thing led to another
Authors: McDonald Clement J. , Humphreys Betsy L.
Published: March 2022

When Donald A.B. Lindberg M.D. became Director in 1984, the U.S. National Library of Medicine (NLM) was a leader in the development and use of information standards for published literature but had no involvement with standards for clinical data. When Dr. Lindberg retired in 2015, NLM was the Central Coordinating Body for Clinical Terminology Standards within the U.S. Department of Health and Human Services, a major funder of ongoing maintenance and free dissemination of clinical terminology standards required for use in U.S. electronic health records (EHRs), and the provider of many services and tools to support the use of terminology standards in health care, public health, and research. This chapter describes key factors in the transformation of NLM into a significant player in the establishment of U.S. terminology standards for electronic health records.
Apathy Is the Best Dimension to Consider for Awareness Assessment in Alzheimer’s Disease
Authors: Jacus Jean-Pierre , Voltzenlogel Virginie , Antoine Pascal , Cuervo-Lombard Christine-Vanessa
Published: March 2022

Previous studies have reported the major role of apathy in awareness assessment among Alzheimer’s patients using the patient-caregiver discrepancy method, whatever the awareness dimension assessed. Using the Apathy Evaluation Scales among other awareness scales, we report that apathy is the sole awareness dimension distinguishing healthy controls (25), mild (57) and moderate-to-moderately-severe (11) Alzheimer’s patients. A linear regression showed that the Mini-Mental State Examination score used as a risk factor for non-awareness was the only factor associated with awareness of apathy and was the best predictor. This suggests that apathy is the most discriminant dimension for awareness assessment in Alzheimer’s disease.
Iron Chelation Remits Memory Deficits Caused by the High-Fat Diet in a Mouse Model of Alzheimer’s Disease
Authors: Xiao Yifan , Gong Xiaokang , Deng Ronghua , Liu Wei , Yang Youhua , Wang Xiaochuan , Wang Jianzhi , Bao Jian , Shu Xiji
Published: March 2022

Background: Obesity is a worldwide health problem that has been implicated in many diseases, including Alzheimer’s disease (AD). AD is one of the most common neurodegenerative disorders and is characterized by two pathologies, including extracellular senior plaques composed of amyloid-β (Aβ) and intracellular neurofibrillary tangles (NFTs) consisting of abnormally hyperphosphorylated tau. According to current research, a high-fat diet (HFD) could exacerbate Aβ accumulation, oxidative damage, and cognitive defects in AD mice. However, the accurate role of HFD in the pathogenesis of AD is far more unclear. Objective: To explore the accurate role of HFD in the pathogenesis of AD. Methods: Open Field, Barns Maze, Elevated zero-maze, Contextual fear condition, Tail suspension test, western blotting, immunofluorescence, Fluoro-Jade C Labeling, Perls’ Prussian blue staining, and ELISA were used. Results: HFD caused nonheme iron overload in the brains of APPswe/PS1dE9 (APP/PS1) mice. Furthermore, the administration of M30 (0.5 mg/kg) for iron chelation once every 2 days per os (p.o.) for 1 month remitted memory deficits caused by HFD in APP/PS1 mice. Notably, a variety of hematological parameters in whole blood had no difference after iron chelation. In addition, iron chelation effectively reduced synaptic impairment in hippocampus and neuronal degeneration in cortex in the HFD-fed APP/PS1 mice. Meanwhile, iron chelation decreased Aβ1–40 and Aβ1–42 level as well as neuroinflammation in HFD-fed APP/PS1 mice. Conclusion: These data enhance our understanding of how HFD aggravates AD pathology and cognitive impairments and might shed light on future preclinical studies.
FLC-ROS: A generic and configurable ROS package for developing fuzzy logic controllers1
Authors: Karimoddini Ali , Hailemichael Abel , Jamshidi Mo
Published: March 2022

Fuzzy logic controllers can handle complex systems by incorporating expert’s knowledge in the absence of formal mathematical models. Further, fuzzy logic controllers can effectively capture and accommodate uncertainties that are inherent in real-world controlled systems. On the other hand, Robot Operating System (ROS) has been widely used for many robotic applications due to its modular structure and efficient message-passing mechanisms for the integration of system’s components. For this reason, Robot Operating System is an ideal tool for developing software stacks for robotic applications. This paper develops a generic and configurable Robot Operating System package for the implementation of fuzzy logic controllers, particularly type-1 and interval type-2, which are based on either Mamdani or Takagi-Sugeno-Kang fuzzy inference mechanisms. This is achieved by employing a systematic object-oriented approach using the Unified Model Language (UML) to implement the fuzzy inference system as a single class that is composed of fuzzifier, inference, and defuzzifier classes. The deployment of the developed Robot Operating System package is demonstrated by implementing an interval type-2 fuzzy logic control of an Unmanned Aerial Vehicle (UAV).
A lightweight 3D-2D convolutional neural network for spectral-spatial classification of hyperspectral images
Authors: Haque Md. Rakibul , Mishu Sadia Zaman , Palash Uddin Md. , Al Mamun Md.
Published: March 2022

Hyperspectral Image (HSI) is usually composed of hundreds of capturing wavelength bands, which not only increase the size of the HSI rapidly but also impose various obstacles in classifying the objects accurately. Moreover, the traditional machine learning schemes utilize only the spectral features for HSI classification, which, therefore, neglect the spatial features that have a significant impact on the classification improvement. To address the aforementioned issues, in this paper, we propose to employ the principal component analysis (PCA), the baseline feature extraction method, and a thoughtfully designed stacked autoencoder, a deep learning-based feature extraction approach, for reducing the high dimensionality of the HSI and then propose a novel lightweight 3D-2D convolutional neural network (CNN) framework to concurrently exploit both spatial and spectral features from the dimensionality-reduced HSI for classification. In particular, PCA and stacked autoencoder are applied to reduce the high dimensionality of the original HSI and then the proposed 3D-2D CNN provides a combination of 3D and 2D convolution operations to extract the subtle spatial and spectral features for efficient classification. We well-adjust the proposed 3D-2D CNN architecture, and perform extensive experiments on three benchmark HSI datasets and compare our approach with the state-of-the-art classical and deep learning methods. Experimental results illustrate that we have achieved an overall accuracy of 99.73%, 99.90%, and 99.32% on Indian Pines, Pavia University, and Kennedy Space Center datasets, respectively, which outperform the classical machine learning and independent 2D and 3D CNN-based state-of-the-art methods.
The Effect of a Structured Medication Review on Quality of Life in Parkinson’s Disease
Authors: Oonk Nicol G.M. , Movig Kris L.L. , van der Palen Job , Nibourg Simone A.F. , Koehorst-ter Huurne Kirsten , Nijmeijer Henk-Willem , van Kesteren Mirjam E. , Dorresteijn Lucille D.A.
Published: March 2022

Background: Drug therapy is important for controlling symptoms in Parkinson’s disease (PD). However, it often results in complex medication regimens and could easily lead to drug related problems (DRP), suboptimal adherence and reduced treatment efficacy. A structured medication review (SMR) could address these issues and optimize therapy, although little is known about clinical effects in PD patients. Objective: To analyze whether an SMR improves quality of life (QoL) in PD. Methods: In this multicenter randomized controlled trial, half of the 202 PD patients with polypharmacy received a community pharmacist-led SMR. The control group received usual care. Assessments at baseline, and after three and six months comprised six validated questionnaires. Primary outcome was PD specific QoL [(PDQ-39; range 0 (best QoL) – 100 (worst QoL)]. Secondary outcomes were disability score, non-motor symptoms, general health status, and personal care giver’s QoL. Furthermore, DRPs, proposed interventions, and implemented modifications in medication schedules were analyzed. Results: No improvement in QoL was seen six months after an SMR, with a non-significant treatment effect difference of 2.09 (–0.63;4.80) in favor of the control group. No differences were found in secondary outcomes. In total, 260 potential DRPs were identified (2.6 (±1.8) per patient), of which 62% led to drug therapy optimization. Conclusion: In the current setting, a community pharmacist-led SMR did not improve QoL in PD patients, nor improved other pre-specified outcomes.
Supraspinal baclofen for the treatment of secondary generalized dystonia: A case series
Authors: Wu Jennifer , Ceverha Barry , Yeh Bi-Ying , BeDell Kimberly K.
Published: March 2022

PURPOSE: The aim of the study was to evaluate the use of a novel technique for baclofen delivery using an intrathecal catheter inserted through a lumbar laminotomy with the tip placed at the cisterna magna (supraspinal baclofen (SSB)) for the treatment of severe generalized secondary dystonia. METHODS: A cohort study of six individuals (4M/2F, mean±SD = 15±4.86 years) with generalized dystonia unresponsive to oral medications were treated with SSB and followed clinically for 9 years. Intrathecal catheter tips were positioned under fluoroscopic guidance just above the level of the foramen magnum, at the cisterna magna. RESULTS: Five of the 6 patients experienced sustained benefit with SSB; the group mean modified Fahn-Marsden scale scores decreased from 95 to 55 (t = 3.29, p = 0.02). One patient suffered complex pump pocket infection, and therefore underwent pump explantation. CONCLUSION: Supraspinal baclofen may be an effective method for infusing baclofen into the ventricular system of the brain for treatment of secondary dystonia which is unresponsive to oral therapy.
A blind medical image denoising method with noise generation network
Authors: Fu Bo , Zhang Xiangyi , Wang Liyan , Ren Yonggong , Thanh Dang N.H.
Published: March 2022

BACKGROUND: In the process of medical images acquisition, the unknown mixed noise will affect image quality. However, the existing denoising methods usually focus on the known noise distribution. OBJECTIVE: In order to remove the unknown real noise in low-dose CT images (LDCT), a two-step deep learning framework is proposed in this study, which is called Noisy Generation-Removal Network (NGRNet). METHODS: Firstly, the output results of L0 Gradient Minimization are used as the labels of a dental CT image dataset to form a pseudo-image pair with the real dental CT images, which are used to train the noise generation network to estimate real noise distribution. Then, for the lung CT images of the LIDC/IDRI database, we migrate the real noise to the noise-free lung CT images, to construct a new almost-real noisy images dataset. Since dental images and lung images are all CT images, this migration can be achieved. The denoising network is trained to realize the denoising of real LDCT for dental images by using this dataset but can extend for any low-dose CT images. RESULTS: To prove the effectiveness of our NGRNet, we conduct experiments on lung CT images with synthetic noise and tooth CT images with real noise. For synthetic noise image datasets, experimental results show that NGRNet is superior to existing denoising methods in terms of visual effect and exceeds 0.13dB in the peak signal-to-noise ratio (PSNR). For real noisy image datasets, the proposed method can achieve the best visual denoising effect. CONCLUSIONS: The proposed method can retain more details and achieve impressive denoising performance.
Absence of the Transcendental Signified: Tracing the Dynamics of Intertextuality in Selected Essays of Shoaib Bin Hassan
Authors: Ahsan Rija , Ishfaq Sarah
Published: March 2022

This research aimed to analyse selected essays from the anthology Aesthetics of Incompleteness by Shoaib Bin Hassan to prove the intertextual nature of language in the Pakistani postmodern Anglophone literature. The objective was to explore the linguistic and thematic intertextual underpinnings to highlight how literary, cultural, and historical narratives are interwoven in the text, which denotes the absence of a transcendental signified and the text becomes a web of textuality. Using a deconstructionist approach, the study postulated that language bears the absence of a transcendental signified, which marks its decentred nature, complemented by the concept of intertextuality. In this research, the language and referents employed by Hassan in his essays were specifically analysed. This study fills the research gap that appears in contemporary Pakistani Anglophone literature due to a lack of poststructuralist research. The critical ideas propounded by (Derrida, 2009; Catherine Besley, 2008; Peter Barry, 2007; Leitch, 1983; Maria Jesus Martinez Alfaro, 1996) served as the basis of the theoretical framework utilized in this study and secondary texts for this research. Opening up similar poststructuralist viewpoints for the exploration of postmodern literature, this study paves the way for more research on Pakistani Anglophone literature intended to analyse textual innovations, specifically in contemporary texts. Moreover, since literary essay is a withering genre in Pakistani Anglophone literature, this research is likely to play a significant role in rejuvenating its importance and adding a new literary dimension to it.

Keywords: decentred, intertextuality, language, transcendental signified
Boletín Económico Regional: Centro, IV trimestre de 2021
Authors:   Sección de Sucursales Regionales de Estudios Económicos
Published: March 2022

En el cuarto trimestre de 2021 la economía de la región Centro presentó resultados favorables en su comparativo anual, en consonancia con la reactivación de la actividad productiva, así como por el mayor consumo de bienes y servicios. De acuerdo con la información disponible, indicadores lideres sectoriales arrojaron avance en construcción, oferta de productos agrícolas, sacrificio de ganado porcino, ocupación hotelera y en los servicios de transporte, ante la normalización de los negocios. De otro lado, disminuyó el sacrificio de vacunos y la venta de vehículos. En comercio exterior sobresalieron las ventas externas de productos del sector primario, a pesar de las dificultades para movilizar carga; las remesas recibidas aumentaron constituyéndose en un apoyo para el consumo de los hogares. El desempleo se mantuvo por encima de la media nacional, mientras que la inflación continuó superando meta del Banco de la República, con mayor presión en el grupo de alimentos.
Boletín Económico Regional : Noroccidente, IV trimestre de 2021
Authors:   Sección de Sucursales Regionales de Estudios Económicos
Published: March 2022

Para el cuarto trimestre de 2021 la economía de la región Noroccidente continuó exhibiendo incrementos anuales destacados en sus actividades más importantes, pero con moderación frente al resultado previo. Sobresalieron la producción industrial y las ventas del comercio minorista en Antioquia, impulsadas por la demanda. A su vez, continuó el crecimiento de la ocupación hotelera y el transporte. Entretanto, los indicadores de la construcción en general se desaceleraron, mientras que los del rubro agropecuario se contrajeron en su gran mayoría. Con relación al sector externo, a pesar de la merma de las exportaciones de oro, las ventas externas de Antioquia continuaron aumentando, especialmente de café, flores y manufacturas; además, las importaciones registraron montos históricos, al igual que las remesas. Por su parte, cayó la tasa de desempleo en Quibdó y en Medellín, esta última ciudad en la que se agudizaron las presiones inflacionarias, especialmente por los alimentos.
Antibacterial Activities of Some Medicinal Plants on Common Multidrug-Resistant Bacterial Isolates from Some Patients Attending Federal Medical Center, Birnin Kebbi, Nigeria
Authors: Sani I. , Jega S. A. , Danbare B. M. , Bello F. , Abdulhamid A. , Abubakar A. , Shindi H. A.
Published: March 2022

Bacterial infections are among the major causes of morbidity and mortality worldwide. The development of drug resistance to most antibiotics by bacterial species are pandemic, these necessitate the urgent need to search for new antibacterial drugs from the natural sources. Hence this research was aimed at evaluating the antibacterial activity of some medicinal plants on the most commonly drug resistant bacterial isolates from some patients attending Federal Medical Center (FMC) Birnin Kebbi, Nigeria. An ethno-botanical survey was carried out within Zuru Emirate and three (3) plant samples (Lonchocarpus laxiflorus root, Mitragyna inermis root and Lawsonia inermis root) were selected based on their number of citations and limited number of reported researches on the antibacterial activities of their roots. The multidrug resistant bacterial strains (Staplococcus aureus, Escherichia coli and Psuedomonas aeruginosa) obtained from FMC, Birnin Kebbi, were taken from nutrient agar slant and sub-cultured in nutrient agar plates. The antibacterial activities of the root methanol extracts of the plants were evaluated using agar-well diffusion method. Tube dilution method was used to determine the minimum inhibitory concentration of each plant extract. The preliminary phytochemical screening of the extracts was conducted using standard methods. Alkaloids, Flavaniods, Steriods, Tannins, saponnins and Phenols, were detected in L. laxiflorus root methanol extract, Flavaniods were absent in L. inermis and Alkaloids in M. inermis root methanol extracts. The plant extracts and their combinations showed varying degrees of antibacterial activities on the test isolates. The root methanol extracts of L. laxiflorus, L. inermis, L. laxiflorus/L. inermis, L. laxiflorus/M. inermis and L. inermis/M. inermis roots presented significant increase (p<0.05) in the zone of inhibition against S. aureus. Extracts of L. laxiflorus root, L. inermis root and combination of M. inermis root were able to suppress the growth of P. aeruginosa at lower dose of 25mg/ml. The antibacterial activity revealed that, the extracts exhibited dose dependent effect. L. inermis root had the highest activity and least MIC value of 12.5mg/ml against all the tested isolates. Thus, this research justified the use of these plants in traditional medicine for the treatment of bacterial infections and can also be considered as potential sources for development of new antibacterial agents that may be more effective, safe and readily accessible than the current antibiotics.
PERBANDINGAN KADAR ZAT BESI (Fe) PADA BAYAM HIJAU DAN BAYAM MERAH YANG DIJUAL DI PASAR SMEP BANDAR LAMPUNG SECARA SPEKTROFOTOMETRI SERAPAN ATOM
Authors: Nofita Nofita , Purnama Robby Candra , Hidayat Mochammad Arief
Published: March 2022

Bayam merupakan sayuran hijau yang tumbuh sepanjang tahun, bayam yang dijual di pasaran dan biasa dikonsumsi dikenal bayam hijau dan bayam merah. Bayam banyak dikonsumsi karena banya mengandung zat besi (Fe). Zat besi berguna untuk mencegah anemia. Masyarakat masih menganggap bayam merah yang masih musiman lebih banyak mengandung zat besi dari pada bayam hijau yang bisa ditemui kapan saja. Penelitian ini bertujuan untuk mengetahui apakah ada perbedaan signifikan antara bayam hijau dan bayam merah. Sampel didapatkan dari Pasar Tradisional Di Bandar Lampung yaitu Pasar Smep. Sampel dilakukan secara random, sampel yang digunakan sebanyak dua sampel. Sampel yang akan dianalisa terlebih dahulu dipreparasi. Instrumen yang digunakan untuk analisa zat besi yaitu Spektrofotometri Serapan Atom SHIMADZU AA-7000 dengan didapat panjang gelombang 248,44 nm. Didapat persamaan regresi linear y = 0,105456x + 0,002378 dengan nilai koefisien korelasi (r) = 0,9999. Kadar rata-rata zat besi pada bayam hijau 0,0740 mg/100g dan rata-rata zat besi pada bayam merah 2,0744 mg/100g. Dari perhitungan uji t didapat thitung= 6,6744 yang dibandingkan dengan ttabeldengan taraf kepercayaan 99% yaitu 4,60. Jika thitunglebih besar dari ttabelmaka Ha diterima, sehingga dapat disimpulkan bahwa Ha diterima dan Ho ditolak dan terdapat perbedaan signifikan antara bayam hijau dan bayam merah yang dijual di Pasar Smep Bandar Lampung.Dengan demikian, kadar Fe bayam merah lebih besar dari bayam hijau.Kata kunci : Fe, bayam hijau, bayam merah, spektrofotometri serapan atom
Autoeficacia para el desempeño de actividad física en personas mayores
Authors: Córdova-León Karen , Fernández-Huerta Lincoyán , Careaga-Romero Nicole
Published: March 2022

La autoeficacia, concebida como la creencia en poder realizar una tarea a pesar de las dificultades, es uno de los más consistentes predictores de iniciación y mantenimiento de la actividad física en las personas de todas las edades, pero más aún, en edad avanzada. Por lo tanto, esta revisión describe primero la autoeficacia y su distinción de construcciones similares e incorpora la autoeficacia dentro de la teoría sociocognitiva donde se describió por primera vez. Luego, se describen los principales abordajes de diferentes disciplinas para promover la autoeficacia, y, en consecuencia, la actividad física; poniendo foco en la evidencia disponible en el área de ciencias de la salud sobre cómo impulsar las fuentes de esta importante autoconfianza en las personas mayores.
Formas de participação em normativos patrimoniais. Ensaio de contextualização nos modelos da democracia participativa e deliberativa
Authors:   Universidade Aberta, Portugal, Cabral Clara ,   clara@cabral.pt, Roders Ana ,   Departamento de Engenharia e Tecnologia Arquitetónica, Technische Universiteit Delft, Países Baixos; A.R.Pereira-Roders@tudelft.nl, Albuquerque Rosana ,   Centro de Estudos das Migrações e Relações Interculturais, Universidade Aberta, Portugal; Rosana.Albuquerque@uab.pt
Published: March 2022

The contribution of broad participation as a means of giving voice to all individuals and communities has long been recognized by the United Nations, constituting a cornerstone of democracy and good governance, reflected in the implementation of participatory processes in different areas of society, including cultural heritage. This study consists in the content analysis of 15 international heritage doctrinal documents covering a time span from 1962 to 2019, in order to identify the recommended forms of participation, with reference to six participation categories defined through the analysis of the literature on the topic. A Thesaurus of terms and expressions related to each category was developed, namely information, consultation, intervention, partnership, decision and a generic residual category, and the frequency of its use in each doctrinal document was examined. The study is framed by the models of participatory and deliberative democracy, seeking to establish a temporal relationship between these and the forms of participation identified. It is expected that this exploratory study is extended in future to a greater number of documents in order to assess the feasibility of the methodology developed, thus contributing to the adoption more objective and precise heritage doctrinal documents. Keywords: cultural heritage; deliberative democracy; heritage doctrinal documents; ICOMOS; participation; participatory democracy; UNESCO
A Governança Global no Âmbito da Organização Internacional do Trabalho (OIT): O Caso do Brasil após a Reforma Trabalhista (2017-2019)
Authors:   Instituto Superior de Ciências Sociais e Políticas, Universidade de Lisboa, Portugal, Othon Adriano ,   adriano_othon@hotmail.com
Published: March 2022

The article addresses the global governance operationalized within the International Labour Organization (ILO) framework, focusing on the supervision of part of the legal changes that occurred in Brazil due to the labor reform (Law No. 13,467/2017). The research consists on a case study, delimited geographically and chronologically, and a qualitative approach based on bibliographic research, emphasizing book chapters and scientific articles and institutional records provided by ILO and available on the internet. Its relevance lies in contributing to the set of reflections on the direction of governance carried out by the ILO and the focus given – Brazil after labor reform –, considering the scarcity of studies on the subject under such perspective in political science. At the end of the article, it appears that the criticisms directed by the Brazilian government against the ILO’s supervisory system has a limited potential to tarnish the reputation of the global governance performed by it, as this negative perception is mainly limited to the national business community. For citizens, entities and other Member States that remain committed to the postulates of social justice, the importance and indispensability of the global governance performed by it in the defense and promotion of labor rights as an ethical guideline and civilizational threshold of globalization are preserved. Keywords: globalization; governance; International Labour Organization; Brazil; labor reform
O Século do Triângulo Estratégico
Authors:   Universidade Lusíada de Lisboa, Portugal, Cláudio Fábio ,   fagclaudio@gmail.com
Published: March 2022

We live in times of change, the COVID-19 pandemic accelerated the changes that were underway in the structural arrangements of the international system dominated in recent decades by the US. With the end of the Cold War, it was believed that the globalization of democracy, relations of mutual cordiality between the great powers and international cooperation without restrictions through the institutions would be possible. This supposed end of strategic competition led to the loss of protagonism of realistic theory as a lens for international relations. Today, we know that the end of the story was announced too soon. According to this, the article focuses on the strategic relationship of the three great geopolitical powers — the US, China, and Russia — applying the theoretical analysis of Lowell Dittmer. The strategic triangle is not new, having foundations precisely during the Cold War, however, its structural arrangements differ from those previously verified. China is a stronger player globally, the US, although it has lost momentum, remains the world’s largest superpower, and Russia can never be sidelined by geopolitical relevance on several fronts. Based on this framework, the article will seek to unravel the dynamics that currently exist between the three actors and what consequences it brings to the future world order. Keywords: balance of power; China; strategic competition; USA; Russia; strategic triangle
Faktor-faktor yang Berhubungan dengan Perilaku Pencegahan COVID-19 pada Mahasiswa
Authors: Pratiwi Bintang Agustina , Fidella Azzaria , Oktavidiati Eva , Oktarianita Oktarianita , Febriawati Henni
Published: March 2022

Tindakan pencegahan COVID 19 harus diterapkan untuk mencegah infeksi virus. Survey pendahuluan menunjukkan lebih dari 50% Mahasiswa Universitas Muhammadiyah Bengkulu belum menerapkan perilaku pencegahan COVID-19. Tujuan penelitian untuk mengidentifikasi faktor yang berhubungan dengan perilaku pencegahan COVID-19 pada mahasiswa/i. Pendekatan yang digunakan dalam penelitian ialah cross sectional. Survei dilakukan di Universitas Muhammadiyah Bengkulu selama bulan Desember 2020. Populasi penelitian ini terdiri dari 5.788 mahasiswa Universitas Muhammadiyah Bengkulu mulai tahun 2014-2020 dengan status aktif. Sampel diperoleh sebanyak 98 mahasiswa. Analisis univariat dan bivariat digunakan setelah data terkumpul. Hasil analisis menemukkan hanya 51% responden yang menerapkan perilaku pencegahan COVID-19, berpengetahuan tinggi (62,2%), sikap mendukung (52,04) dan keluarga mendukung (57,1%). Tidak ada hubungan antara pengetahuan tentang pencegahan COVID-19 (Pv=0,499) dan dukungan yang diberikan keluarga (Pv=0,431) dengan perilaku pencegahan COVID-19 dan ada hubungan sikap dengan perilaku pencegahan COVID-19 (Pv=0,001; OR=4,667).
Pengukuran Faktor Psikososial terhadap Stres Kerja Pada Penjahit Konveksi Home Industry
Authors: Lubis Siti Rahmah Hidayatullah
Published: March 2022

Stres kerja merupakan dampak dari proses kerja. Interaksi antara pekerja dengan alat dan lingkungan kerja menyebabkan pekerja harus beradaptasi, jika tidak sesuai dengan kapasitas kerja maka akan muncul penyesuaian secara negatif berupa stres kerja. Penjahit konveksi merupakan pekerja di bidang sektor informal yang memiliki risiko untuk mengalami stres kerja disebabkan aktivitas kerja yang menuntut ketelitian tinggi dan memiliki waktu kerja yang panjang mencapai 10 jam/hari. Penelitian ini bertujuan untuk mengukur faktor psikososial yang mempengaruhi stres kerja pada penjahit konveksi home industry. Desain penelitian menggunakan studi cross sectional. Populasi penelitian adalah 45 orang penjahit konveksi di RW 06 kawasan Cipadu Tangerang dengan jumlah sampel sebanyak 39 orang. Teknik penentuan sampel menggunakan systematic random sampling. Data dikumpulkan dengan menggunakan instrumen berupa kuesioner Diagnosis Stres kerja dan kuesioner tambahan sesuai kebutuhan penelitian. Hasil penelitian menunjukan 13 orang (30,8%) mengalami keluhan stres kerja sedang dan 26 orang (60,2%) mengalami keluhan stres kerja ringan. Sementara itu dari 6 variabel faktor psikososial yang diteliti, terdapat 4 faktor yang memiliki hubungan terhadap stres kerja yaitu ketaksaan peran (Pv=0,000), konflik peran (Pv=0,000), beban berlebih kualitatif (Pv=0,020) dan pengembangan karir (Pv=0,000). Diharapkan kepada pemilik usaha untuk mengatur ulang jadwal pengaturan kerja dan membuat prosedur kerja yang jelas.
Faktor-faktor yang Mempengaruhi Penggunaan Rekam Medis Elektronik Rawat Jalan oleh Perawat
Authors: Sugiharto Sugiharto , Agushybana Farid , Adi Mateus Sakundarno
Published: March 2022

Data evaluasi penggunaan Rekam Medis Elektronik (RME) rawat jalan oleh perawat bulan Juni 2020 di RSUP Dr. Kariadi masih rendah yaitu 63,31%. Penelitian ini bertujuan menganalisis pengaruh persepsi kemanfaatan, persepsi kemudahan, pengaruh sosial dan kondisi yang memfasilitasi terhadap sikap perawat menggunakan RME dengan dimoderasi oleh umur, jenis kelamin dan pengalaman kerja perawat serta menganalisis pengaruh sikap menggunakan RME terhadap penggunaan RME. Jenis penelitian ini adalah survei analitik dengan pendekatan waktu potong silang. Populasi penelitian adalah perawat yang bertugas di poliklinik RSUP Dr. Kariadi sejumlah 174 perawat. Sampel sejumlah 120 responden diambil secara acak sederhana dengan mengundi anggota populasi. Pengambilan data dilakukan dengan angket melalui link google form. Analisa data menggunakan SEM-PLS. Hasil penelitian menunjukkan terdapat tiga faktor yang mempengaruhi sikap menggunakan RME yaitu persepsi kemanfaatan (Pv=0,010), persepsi kemudahan (Pv=0,011) dan pengaruh sosial (Pv=0,000). Kondisi yang memfasilitasi tidak berpengaruh terhadap sikap menggunakan RME (Pv=0,072). Umur, jenis kelamin dan pengalaman kerja perawat tidak memoderasi hubungan persepsi kemanfaatan, persepsi kemudahan, pengaruh sosial dan kondisi yang memfasilitasi terhadap sikap menggunakan RME. Sikap menggunakan RME berpengaruh terhadap penggunaan RME (Pv=0,000). Diharapkan manajemen rumah sakit meningkatkan kondisi yang memfasilitasi melalui kegiatan peningkatan pengetahuan dan keterampilan perawat dalam menggunakan RME, dukungan tim implementator ketika ada kendala dan dukungan peralatan yang memadai.
Pengaruh Keselamatan dan Kesehatan Kerja (K3) Terhadap Produktivitas Kerja Karyawan
Authors: Swatika Brilian , Wibowo Pipid Ari , Abidin Zaenal
Published: March 2022

Produktivitas ialah suatu pendekatan interdisipliner untuk menetapkan tujuan yang efektif. Terdapat rendahnya tingkat produktivitas kerja pada bagian nabati PT. Air Mancur. Tujuan penelitian ini untuk menganalisis pengaruh kesehatan dan keselamatan kerja (K3) terhadap produktivitas kerja karyawan bagian nabati PT. Air Mancur. Populasi dalam penelitian ini yaitu karyawan bagi nabati PT. Air Mancur sebanyak 21 orang. Jenis penelitian kuantitatif dengan jenis cross sectional. Penelitian ini menggunakan teknik ­non-probability sampling dengan teknik total sampling dimana jumlah sampel dalam penelitian sama dengan jumlah populasi. Analisis data berupa uji validitas, uji reliabilitas, uji korelasi, uji asumsi klasik, analisis regresi linier berganda dan uji koefisien determinan. Hasil penelitian menunjukan bahwa secara simultan terdapat pengaruh keselamatan dan kesehatan kerja (K3) terhadap produktivitas kerja (Pv=0,000; r=0,616, Adjust r=0,574), secara parsial keselamatan kerja (Pv=0,000; r=0,721), kesehatan kerja (Pv=0,000, r=0,729) terhadap produktivitas kerja. Berdasarkan hasil penelitian dapat disimpulkan kesehatan dan keselamatan kerja (K3) memiliki pengaruh sebesar 57,4% terhadap produktivitas kerja karyawan dan 42,6% dipengaruhi faktor lainnya. Hasil penelitian ini dapat dijadikan masukan bagi  PT. Air Mancur supaya lebih  memperhatikan faktor keselamatan dan kesehatan kerja (K3), upaya-upaya strategis berkaitan dengan fasilitas dan pelatihan K3.
Literature Review: Determinan Kepatuhan Terhadap Protokol Kesehatan COVID-19 di Indonesia
Authors: Tanto Tanto , Handayani Handayani
Published: March 2022

Ketidakpatuhan pada protokol kesehatan COVID-19 di Indonesia masih menjadi penyebab tingginya angka penularan COVID-19. Pemerintah telah membuat kebijakan protokol kesehatan COVID-19 guna mengendalikan laju transmisi. Kepatuhan masyarakat akan sangat membantu menekan laju penularan. Penelitian ini bertujuan mengetahui determinan kepatuhan terhadap protokol kesehatan COVID-19. Penelitian ini merupakan Systematic Literature Review (SLR) dengan metode PRISMA. Kata kunci yang digunakan untuk penelusuran artikel adalah determinan kepatuhan protokol kesehatan COVID-19, sikap, motivasi pencegahan COVID-19, dan determinants of compliance with COVID-19. Google Scholar, ResearchGate, dan PubMed merupakan data base jurnal yang digunakan untuk melakukan pencarian literatur dan dari hasil pencarian ditemukan 5 artikel yang relevan. Kesimpulannya adalah determinan kepatuhan terhadap protokol kesehatan COVID-19 yaitu sikap, motivasi, pengetahuan, usia, pendidikan, lingkungan sosial, dan ketersediaan sarana. Rekomendasinya adalah diharapkan masyarakat mematuhi protokol kesehatan COVID-19 yaitu mencuci tangan, menggunakan masker, menjaga jarak, dan menjauhi kerumunan.
Pengaruh Jenis Berita COVID-19 terhadap Tingkat Kecemasan Mahasiswa
Authors: Utami Meira Oryza Vidia , Ayuningbudi Fadjrina Hapsari Woro , Putri Tafia Afina , Abidin Fitri Ariyanti
Published: March 2022

Seiring dengan situasi pandemi COVID-19, media massa didominasi dengan pemberitaan mengenai perkembangan COVID-19, baik berita positif maupun negatif. Munculnya berbagai berita ini berperan besar dalam memicu kecemasan, terutama berita yang bersifat negatif. Atas dasar hal tersebut, penelitian ini dilakukan dengan tujuan melihat pengaruh jenis berita perkembangan COVID-19 (positif, negatif, dan netral) terhadap tingkat kecemasan mahasiswa. Pendekatan metode eksperimental  menggunakan rancangan simple randomized pretest-posttest design. Responden merupakan 75 mahasiswa (laki-laki=9, perempuan=66), dibagi menjadi kelompok eksperimen A (diberikan berita negatif, n= 26), kelompok eksperimen B (diberikan berita positif, n= 25) dan kelompok kontrol (diberikan berita netral, n= 24). Kecemasan responden diukur sebelum dan sesudah perlakuan menggunakan Coronavirus Anxiety Scale (CAS) dan Generalized Anxiety Disorder (GAD-7). Hasil uji one-way ANOVA menunjukkan bahwa tidak terdapat perbedaan selisih tingkat kecemasan yang signifikan antara kelompok eksperimen A, eksperimen B, dan kontrol (F(2)=0,1468, p>0,05). Tidak adanya perbedaan yang signifikan disebabkan oleh tidak munculnya setelah membaca berita. Emotional arousal tidak muncul dikarenakan pengalaman responden mendapatkan paparan berulang berita negatif sebelum penelitian dan karena perbedaan individu dalam pengalaman emotional arousal. Dengan demikian, dampak paparan berita negatif pada kesehatan mental tidak terlalu signifikan setelah pandemik COVID-19 dialami cukup lama.
Beban Kerja, Dukungan Rekan Kerja, Lingkungan Kerja dan Iklim Kerja terhadap Tingkat Stres Kerja Perawat
Authors: Riana Anna , Nina Nina , Rindu Rindu
Published: March 2022

Stres kerja dapat mengakibatkan karyawan merasa tertekan dalam menghadapi pekerjaan dan bisa menurunkan kinerja. Tujuan penelitian ini untuk mengetahui pengaruh langsung dan tidak langsung serta besaran pengaruh beban kerja, dukungan rekan kerja, lingkungan kerja dan ikllim kerja terhadap tingkat stress perawat puskesmas dalam penanganan COVID-19. Jenis penelitian kuantitatif, desain penelitian menggunakan pendekatan cross sectional dengan Struktural Equation Modelling. Populasi dalam penelitian ini adalah seluruh perawat di 44 puskesmas wilayah Kabupaten Tangerang dengan jumlah perawat sebanyak 290 orang. Sampel dipilih secara purposive sampling dengan jumlah 82 responden. Pengumpulan data menggunakan kuesioner. Stres kerja dipengaruhi oleh beban kerja sebesar 18,07%, dukungan rekan kerja sebesar 17,59%, iklim kerja sebesar 19,70% dan lingkungan kerja sebesar 25,64%. Model mampu menjelaskan variabilitas data sebesar 99,74%, sedangkan 0,26% dijelaskan oleh variabel lain yang tidak dikaji dalam penelitian ini. Diharapkan perawat untuk menciptakan lingkungan kerja yang kondusif seperti menjaga hubungan yang baik dengan sesama rekan perawat, saling mendukung dalam pencapaian prestasi kerja serekan sejawatnya dan menjaga fasilitas yang diberikan oleh puskesmas untuk menunjang kerja perawat.
Hubungan Mutu Pelayanan Kesehatan terhadap Kepuasan Pasien BPJS Kesehatan
Authors: Tridiyawati Feva , Prahasta Deska
Published: March 2022

Salah satu upaya pemerintah dalam memberikan pelayanan kesehatan di masyarakat adalah dengan memberikan jaminan kesehatan berupa BPJS, namun pelayanan kesehatan yang kurang baik akan menimbulkan rasa kecewa bagi para peserta BPJS Kesehatan. Tujuan dari penelitian ini adalah untuk mengetahui hubungan mutu pelayanan Kesehatan terhadap kepuasan pasien BPJS Kesehatan di RS Bhakti Husada tahun 2020. Penelitian ini merupakan penelitian analisis kuantitatif observasional menggunakan desain analitik cross sectional, menggunakan sampel sebanyak 100 orang. Sampel diambil menggunakan metode accidental sampling. Pengumpulan data menggunakan kuesioner. Analisa data dilakukan dengan menggunakan uji Chi-Square. Hasil penelitian ini menunjukkan bahwa ada hubungan antara mutu pelayanan Kesehatan terhadap dimensi kehandalan (reliability) (Pv=0,000), ketanggapan (responsiveness) (Pv=0,000; OR=81,889), jaminan (assurance) (Pv=0,001; OR=25,000), empati (empathy) (Pv=0,000; OR=74,000) dan bukti fisik (tangiable) (Pv=0,000; OR=18,000). Kesimpulnya penelitian ini bahwa ada hubungan antara mutu pelayanan pasien BPJS Kesehatan dengan kepuasan pasien.