bluuebunny/crossref_metadata_2025 huggingface dataset:
Physico-mechanical properties of the wood of freijó, Cordia goeldiana (Boraginacea), produced in a multi-stratified agroforestry system in the southwestern Amazon
Authors: MASCARENHAS Adriano Reis Prazeres , SCCOTI Marta Silvana Volpato , MELO Rafael Rodolfo de , CORRÊA Fernando Luíz de Oliveira , SOUZA Emanuel Fernando Maia de , PIMENTA Alexandre Santos
Published: May 2021

ABSTRACT Agroforestry systems (AFSs) integrate, through sustainable practices, agricultural and forest crops for the production of wood and food, providing environmental services, and conserving biodiversity. The freijó (Cordia goeldiana) has potential for cultivation in the Amazon for timber purposes, but data on the characteristics of its wood produced in AFSs are scarce. Our objective was to determine the physical-mechanical properties and suggest technological applications of freijó wood produced in a multi-stratified AFS established in the state of Rondônia, Brazil in 1996. Agricultural and forest species were established in the AFS in double rows with 5.0-m x 2.5-m spacing. Three 19-year-old freijó trees were harvested for chemical, physical (density and dimensional stability), and mechanical (compression, static bending, Janka hardness, and shear strength) characterization of the wood. The wood presented a chemical composition similar to tropical hardwoods, was moderately heavy (582.63 kg m-3), and had high dimensional stability in comparison with other consecrated woods on the market (longitudinal, radial, and tangential retraction = 0.25, 4.27, and 6.83%, respectively). The values determined for parallel (32.32 MPa) and perpendicular compression (8.02 MPa), specific strength (55.32 MPa kg-1 m-3), parallel (2373.33 N) and perpendicular Janka hardness (2326.67 N), strength to static bending (63.5 MPa), and shear (5.94 MPa) were similar to the values observed in other high-density tropical woods grown in either monoculture plantations or natural forests. The wood under study is suitable for manufacture of high-value-added products, such as fine furniture, residential floors, musical instruments and structural pieces.
Reproductive cycle of the mangrove oyster, Crassostrea rhizophorae (Bivalvia: Ostreidae) cultured in a macrotidal high-salinity zone on the Amazon mangrove coast of Brazil
Authors: ANTONIO Ícaro , SOUSA Ana , LENZ Tiago , FUNO Izabel , LOPES Rodolf , FIGUEIREDO Marina
Published: May 2021

ABSTRACT This study aimed to establish the reproductive cycle of the mangrove oyster, Crassostrea rhizophorae cultured in the macrotidal estuary of the Paciência River, Maranhão state, on the northeastern coast of Brazil, and its relationship with environmental factors. Oysters were collected monthly throughout 2013 for histological analysis of sex ratio, gonadal development and condition index. The sex ratio was 1:1.39 (M:F) and only 5 specimens presented hermaphroditism. The breeding process was continuous throughout the year and mature (IIIA stage) and spawning oysters (IIIB stage) were present in practically all months. Low variation in temperature seemed to be the main factor for the continuity of the reproductive cycle. Besides temperature, the relationship between rainfall, salinity and primary productivity affected the stimulus and timing of reproductive events. The rainy season, with low values of salinity and high values of chlorophyll a and particulate organic matter, appeared to be the main reproductive period, with release of gametes and production and maturation of new gamete cohorts in the short term. In the tropics, where gamete maturation and release seem to be continuous and concomitant, the condition index does not appear to be the best method to assess reserve accumulation peaks and gonadal repletion.
Using osteological measurements to estimate body length in Amazonian manatees
Authors: VALDEVINO Gisele de Castro Maciel , SILVA Vera Maria Ferreira DA , AMARAL Rodrigo de Souza
Published: May 2021

ABSTRACT Body length is an important parameter in morphological, ecological and behavioral studies of a species and contributes to the understanding of the body condition of individuals. This parameter is essential for conservation and management strategies by informing studies evaluating growth rates, physical maturity and classification of individuals into age groups, promoting better accuracy for the biological parameters of the species. The aim of this study was to identify predictors of body length for Amazonian manatees (Trichechus inunguis) using metric characters of osteological materials. Eleven linear measurements of skull, jaw, scapulae and humeri were collected from 41 Amazonian manatee skeletons of different age classes (calf, juvenile and adult). Data were analyzed by simple linear regression. The condylobasal length was the best predictor of body length for the species (R = 0.943), however, all bones evaluated showed at least one measurement with the capacity to predict body size (R2 > 0.9). Results of this study are useful for inferring body length of Amazonian manatees using bones deposited in museums and biological collections, expanding the informative potential of these materials.
Boosting nonverbal physician-patient communication in medical education
Authors: Valadares Emiliana dos Santos , Catani Renata Rodrigues , Lacombe Julianni Bernardelli , Mendonça Tânia Maria da Silva , Silva Carlos Henrique Martins , Paro Helena Borges Martins da Silva
Published: May 2021

Abstract: Introduction: Nonverbal communication is an important part of the medical interview. However, nonverbal skills are still underestimated in medical education and instruments for their teaching and assessing in medical schools are scarce. Objective: We aimed to translate and culturally adapt the Relational Communication Scale for Observational measurement of doctor-patient interactions (RCS-O) to Brazilian Portuguese. Methods: We translated the RCS-O in seven stages: initial translation, reconciliation, back translation, review by the author, independent review, consensus version through the Delphi technique, review by a language coordinator, and pre-test. We used video recordings of four medical consultations performed by medical students and residents to pre-test the instrument. During this phase, three independent observers assessed the medical students and residents’ performance in real health care scenarios through the use of the recordings. Results: Most of the difficulties regarding the translation and cultural adaptation were related to the polysemic meaning of some items. Words and expressions such as “stimulating”, “warmth”, “desire”, “relaxed”, “conversation to a deeper level”, “deeper relationship”, “casual”, and “intensely” required adaptation in order to remove the potential sexual connotation that could arise from overintimacy in the physician-patient relationship. Conclusion: The Brazilian version of the RCS-O is a culturally, conceptually, semantically and operationally valid instrument. It may represent an important advance for the strengthening of learning and assessing nonverbal communication in medical education. We hope this study may encourage health educators to invest in the teaching and assessment of nonverbal communication skills in other countries.
La organización del mercado del suelo y los subsidios a la localización de vivienda como soluciones desde la política neoliberal en Chile y México
Authors: Dattwyler Rodrigo Hidalgo , Martínez Marco Calleja , Peterson Voltaire Alvarado , Arreourtua Luis Salinas
Published: May 2021

Resumen1 Esta investigación se plantea la necesidad de identificar el origen del modelo de subsidios a la vivienda social, orientados a la localización y contención urbana en Chile y México, analizando, desde una perspectiva crítica, los procesos de estructuración del marco normativo y de las políticas públicas de corte neoliberal, con la construcción del modelo de gestión territorial para el desarrollo. Para ello se plantea si es posible considerar a la política subsidiaria de vivienda social actual, como un modelo emulado por gobiernos latinoamericanos para materializar la desregulación del mercado del suelo urbano en la región. Específicamente analizan los marcos normativos e institucionales de la política habitacional chilena, con la implementación del sistema condicional de subsidios a la localización en México.
Propriedade coletiva e regularização fundiária: o caso da usucapião Especial urbana coletiva da Chácara do Catumbi na cidade do Rio de Janeiro
Authors: Gonçalves Rafael Soares , Vale Josiane do
Published: May 2021

Resumo O presente artigo tem como finalidade suscitar o debate sobre o comum no contexto fundiário, assim como os temas da informalidade urbana e da propriedade coletiva no Brasil, baseado em pesquisa-ação sobre o processo de registro da Usucapião Especial Urbana Coletiva da Chácara do Catumbi, pequena localidade situada no bairro do Catumbi (Rio de Janeiro). O presente trabalho estuda os desafios da gestão de propriedades coletivas no contexto brasileiro, analisa o debate em torno do comum em questões envolvendo os direitos de propriedade e, por fim, debate os principais desafios da gestão coletiva da propriedade através do caso da Chácara do Catumbi.
Percepção dos enfermeiros acerca do processo de descentralização do atendimento ao HIV/Aids: testagem rápida
Authors: Lima Morgana Cristina Lêoncio de , Pinho Clarissa Mourão , Silva Mônica Alice Santos da , Dourado Cynthia Angelica Ramos de Oliveira , Brandão Brígida Maria Gonçalves de Melo , Andrade Maria Sandra
Published: May 2021

Resumo Objetivo descrever a percepção do enfermeiro acerca do processo de descentralização do atendimento ao HIV/Aids voltado à realização da testagem rápida. Método trata-se de um estudo descritivo com abordagem qualitativa, no qual participaram 32 enfermeiros da atenção básica. Os dados foram obtidos por meio de entrevista, utilizou-se roteiro semiestruturado, os quais foram processados pelo software Interface de R pour les Analyses Multidimensionnelles de Textes et de Questionnaires (IRAMUTEQ) com a técnica de análise da nuvem de palavras. Resultados destaca-se nas falas maior frequência das palavras “unidade de saúde” e “teste rápido”. Dentre os obstáculos na concretização da descentralização, merecem realce a oferta ampliada e o acesso ao diagnóstico precoce. Conclusão e implicações para a prática o estudo reforça a importância da atuação do enfermeiro como sujeito ativo no cuidado às pessoas vivendo com HIV e na execução de ações individuais e coletivas para fortalecer o processo de descentralização entre os níveis de atenção à saúde.
Apropriação social do Sistema Único de Saúde: ouvindo a voz dos usuários
Authors: Malvezzi Edson , Ogata Márcia Niituma , Oliveira José Maurício de , Campos Gastão Wagner de Sousa
Published: May 2021

Trata-se de uma investigação com o objetivo de analisar a percepção de usuários do Sistema Único de Saúde quanto à sua apropriação social desta política pública, em especial, ao atendimento de suas necessidades e à participação nos processos de organização e avaliação do sistema e dos serviços de Saúde em que estão inseridos. Estudo qualitativo com usuários que vivenciaram episódio de internação hospitalar por condição sensível à atenção primária, seus resultados foram sistematizados segundo Análise de Conteúdo e discutidos à luz da hermenêutica crítica e do referencial Paideia. Os achados demonstram que os usuários reconhecem o Sistema Único de Saúde como política pública, referindo sua lógica de funcionamento e benefícios quando necessitam de cuidados à saúde; e descrevem seus efeitos pela criação de novas práticas de cuidado nas unidades básicas após episódio de internação hospitalar; não mencionando sua participação nos espaços de controle social.
Como trabalhar com narrativas: uma abordagem metodológica de compreensão interpretativa no campo das Ciências Humanas em Saúde
Authors: Carvalho Licurgo Lima de , Logatti Maria Silvia Motta , Sass Simeão , Gallian Dante Marcello Claramonte
Published: May 2021

Partindo de uma investigação que procurou compreender as repercussões da leitura e da discussão de obras literárias entre estudantes e profissionais da área da Saúde, as reflexões teórico-metodológicas deste artigo nasceram das dificuldades enfrentadas na hora de “organizar”, “analisar”, “compreender” e “interpretar” o vultoso volume de material qualitativo produzido. Desse modo, em um esforço de organizar e, ao mesmo tempo, evitar compreensões ingênuas, sistematizamos um método imersivo fundamentado na fenomenologia hermenêutica, em que as narrativas produzidas foram transcriadas em uma nova produção textual, como resultado da tentativa de explicitar as compreensões das narrativas obtidas. Surpreendidos pelos bons resultados dessa Compreensão Interpretativa, concluímos que esse método pode ser adequado não somente para o aprofundamento em textos narrativos, mas para organizar discursos, apreender percepções, significados e compreensões, possibilitando interpretações plausíveis e interligadas, sobretudo quando há uma demanda vultosa de dados qualitativos.
O impacto da Covid-19 em grupos marginalizados: contribuições da interseccionalidade como perspectiva teórico-política
Authors: Marques Ana Lucia Marinho , Sorentino Isa da Silva , Rodrigues Julliana Luiz , Machin Rosana , Oliveira Elda de , Couto Marcia Thereza
Published: May 2021

A pandemia de Covid-19 traz desafios aos governos e às sociedades. Os efeitos da pandemia nas regiões marcadas por extrema desigualdade social e nas populações com maior vulnerabilidade e precariedade das condições de vida são deletérios, o que demanda referenciais teórico-metodológicos para compreender seus impactos e construir estratégias para enfrentá-la. Nesse ensaio crítico, aborda-se a interconexão de marcadores sociais da diferença na produção das desigualdades que atingem os grupos sociais já marginalizados – como usuários de drogas em situação de rua, trabalhadoras sexuais, trabalhadoras domésticas e jovens LGBTQIA+ – e analisam-se as potencialidades da perspectiva interseccional nas análises e na construção política do enfrentamento do problema.
Tensile and buckling properties of notched 6063 aluminum repaired with composite patches
Authors: Dindar Berkant , Ağir İnan
Published: May 2021

In this study, 6063 aluminum plates with ‘O’ and ‘U’ notches were patched with E-glass/epoxy composites. In this context, O and U notches were made using an aluminum computer numerically controlled machine. Then, composite patches were produced through the hand lay-up method and hot-pressing. The 36 × 40 mm patches were water-jet-cut from E-glass/epoxy plates. The notched aluminum surfaces were cleaned with a rotary felt, and then solvent-based spray was applied and the surfaces were made ready for adhesion. Bonding was done with two-component Weicon RK-7100 adhesive. Tensile and buckling tests were performed under ambient conditions with an Instron 8801 test device. Experiments were carried out in O, U–O and U–O–U configurations without patches, one-side-patched and two-side-patched, and the results were presented comparatively in graphs.
Cost-Benefit Analysis of Drinking Water Fluoridation in 12-year-old Children in the Biobío Region, Chile.
Authors:   Depto Estomatología Quirúrgica, Facultad de Odontología, Universidad de Concepción, Chile., Ulloa Camilo , de la Puente Catherine ,   Facultad de Medicina, Universidad de La Frontera, Temuco, Chile., Rojas Fernando ,   Servicio de Salud Talcahuano, Talcahuano, Chile., Irigoyen Sofía ,   Facultad de Odontología, Universidad de Concepción, Chile., Flores-Cartes Raúl ,   Depto de Prevención y Salud Pública, Facultad de Odontología, Universidad de Concepción, Chile.
Published: May 2021

Fluoridation has been shown to be an effective measure against caries in children. The present study evaluates the cost-benefit of the fluoridated water program for the reduction of dental caries in 12-year-old children in the Biobío Region, the only region in Chile that has not implemented this program. An economic cost-benefit evaluation was carried out, comparing two alternative interventions: non-fluoridated drinking water versus fluoridated drinking water. The prevalence of caries, direct and indirect costs of the treatments, the cost of implementing the programs and the benefits of both interventions were estimated. From this study it is concluded that the savings in oral health costs in 12-year-old children when using fluoridating drinking water in the Biobío region is significantly higher than the cost involved in implementing the water fluoridation program, resulting in total savings for the Chilean state of $129,861,645 (USD$ 152,833) as well as an estimated reduction of 15% in the history of caries in the study population.
Oral hygiene habits and status of orthodontic patients attending the University of Pretoria, Oral and Dental Hospital
Authors: Buthelezi Noluthando L , Madiba Thomas K
Published: May 2021

Most orthodontic patients struggle to maintain good oral hygiene during treatment. To determine oral hygiene habits and status of patients undergoing fixed orthodontic treatment at University of Pretoria, Oral and Dental Hospital. A cross-sectional descriptive study. A modified, validated, self-administered questionnaire was used, and clinical examinations were conducted using Orthodontic Plaque Index, Gingival index, and Bleeding index. The questionnaire sought to determine knowledge and practice patterns. Data analysis included frequencies and correlations using chi-square test, with a significance of p<0.05.Fifty patients participated with 34(68%) being female with ages from 10 to 28 and a mean of 18,5. Seventy percent avoided sticky foodstuff, 74% used mouthwash, 56% flossed daily and 84% brushed twice daily. However, 82% consumed sugar containing drinks. Clinical exam revealed an Orthodontic Plaque Index mean of 2.6, Gingival Index mean of 0.1 while the Bleeding Index was 13.3 and 90% had normal gingiva. There was a significant difference in Gingival Index score between patients at age category 10-19 and 18-24 (p< 0.05). This study revealed a satisfactory oral hygiene status among patients at the institution with the majority of patients maintaining good oral hygiene practices. However, 82% consumed sugar sweetened beverages.
Efficacy and safety of endovascular arteriovenous fistula creation with comparison to surgically created fistulas: a systematic review and meta-analysis protocol v2
Authors: Shimamura Yoshinosuke , Kuniyoshi Yasutaka , Yamazaki Hajime , Tsujimoto Yasushi
Published: May 2021

This systemic review and meta-analysis aimed to evaluated existing evidence on the clinical efficacy and safety of endovascular arteriovenous fistula creation by directly comparing it with surgical arteriovenous fistula creation among patients with chronic kidney disease requiring hemodialysis.
A csókalábú útifű (Plantago coronopus) 2020-ban felfedezett újabb lelőhelyei
Authors: Schmidt Dávid
Published: May 2021

A folytatódó adatgyűjtés eredményeként 2020-ban a csókalábú útifű (Plantago coronopus L.) újabb lelőhelyei kerültek elő. Számos új előfordulása található az eddig ismert lelőhelyek­től távol, amely bizonyítja, hogy a faj továbbra is intenzív terjedési szakaszban van. KEF-alapú előfordu­lásainak száma aktuálisan 90. Minden új megfigyelése az útpadkát kísérő keskeny növényzeti sávból származik, kivétel ez alól a szombathelyi, ahol egy forgalmas bevásárlóközpont parkolójában a dísz­kövezet résében jelent meg.
Anatomi dan Mikromorfologi Tetrastigma rafflesiae (Vitaceae)
Authors: Arshad Syamsurina , Juhari Mohd Afiq Aizat , Talip Noraini , Abdul Wahab Nor Azilah , Adam Jumaat
Published: May 2021

Kajian anatomi dan mikromorfologi telah dilakukan ke atas Tetrastigma rafflesiae (Miq.) Planchon, perumah kepada bunga pakma di Perak, Pahang dan Kelantan. Penglibatan kajian ini merangkumi anatomi keseluruhan tumbuhan ini, iaitu bahagian daun, batang, sulur paut dan akar kerana kajian anatomi masih dangkal di Malaysia amnya dan dunia khasnya. Sampel tumbuhan ini diperoleh dari Sungai Bongor, Grik, Perak, Sungai Yol, Raub, Pahang dan Lojing, Kelantan. Teknik piawai dalam anatomi tumbuhan digunakan dan ini melibatkan penggunaan mikroskop cahaya dan mikroskrop imbasan elektron (SEM). Hasil kajian anatomi menunjukkan T. rafflesiae mempunyai corak bekas vaskular dengan sistem tertutup pada petiol, tulang daun, batang dan akar; hablur didapati hadir pada petiol, tulang daun, lamina, peruratan, batang dan akar dan dinding antiklin abaksial dan adaksial adalah daripada lurus ke melengkung. Hasil mikromorfologi memperlihatkan spesies ini mempunyai stomata homostomatik dan hipostomatik daripada jenis diasitik. Lilin epikutikel berbentuk lembaran dan lapisan filem pada bahagian adaksial manakala berbentuk granul, lapisan filem dan lembaran pada bahagian abaksial. Hasil kajian ini dapat digunakan sebagai perintis kepada kajian anatomi spesies Tetrastigma yang lain.
Mitochondrial Genome of Rattus tiomanicus (Rodentia: Muridae) and Molecular Phylogeny of Murinae
Authors: Song Sze-Looi , Yong Hoi-Sen , Lim Phaik-Eem , Tan Ji
Published: May 2021

Rattus tiomanicus is a murid rodent of considerable agricultural and public health importance in Southeast Asia. The whole mitochondrial genome of R. tiomanicus was sequenced by the Ion Torrent PGM platform. It had a total length of 16,309 bp, consisting of 13 protein-coding genes, two rRNA genes, 22 tRNA genes and two non-coding regions (L-strand replication origin and control region). Only TAA and incomplete T-stop codons were represented in the protein-coding genes. Of the tRNAs, tryptophan (W) had ACU anticodon. The cloverleaf structure for serine S1 (AGN) tRNA lacked the entire D-arm, while in lysine (K) tRNA, the DHU arm lacked the D-loop. Molecular phylogeny based on 15 mt-genes indicated R. tiomanicus having closest genetic affinity to R. rattus complex (R. rattus, R. tanezumi). There were two major clades for the Murinae subfamily namely the Rattini tribe and the Apodemini, Murini and Hydromyini tribes. The whole mitogenome of R. tiomanicus will serve as a useful dataset for studying the systematics and phylogenetic relationships of the murid rodents.
Colorimetric Amine Detection by Vanillin-Hydrazone Derivatives during Chicken Meat Spoilage
Authors: Purwono Bambang , Nurohmah Beta Achromi , Suharman Suharman
Published: May 2021

Two vanillin-hydrazone compounds as the colorimetric amine detection during chicken meat spoilage are described. Two hydrazone compounds (1 and 2) have been synthesized from the condensation reaction of vanillin with phenylhydrazine and 2,4-dinitrophenylhydrazine. Their properties for colorimetric recognition of amine were determined by the naked eye and UV-vis spectra. Their properties as amine indicators were investigated toward primary amine: butylamine (BA); secondary amine: dimethylamine (DMA), diethylamine (DEA); tertiary amine: triethylamine (TEA), and also ammonia (Amm). The hydrazone 1 in DMSO showed no significant color changes (colorless) after the addition of amines solution. Hydrazone 2 (5×10-5 M in DMSO) showed color changes from yellow to violet in the presence of ammonia, DEA and BA, to reddish-violet for DMA, and light brown after addition of TEA solutions. The colorimetric amine detection by vanillin-hydrazone 2 could recognize the real amine during chicken meat spoilage from yellow to light brown after 24 h storage at room temperature.
Cholinesterase Inhibition Activity and Molecular Docking Study of Eugenol Derivatives
Authors: Mohd Zamli Khairunisa , Asari Asnuzilawati , Khaw Kooi Yeong , Murugaiyah Vikneswaran , al-Rashida Mariya , Mohamad Habsah , Mohd Yusoff Hanis , Abdul Wahab Nurul Huda , Osman Hasnah
Published: May 2021

The study was conducted to explore the anticholinesterase inhibition property of eugenol derived molecules. Ten eugenol derivatives were synthesized and evaluated for the inhibitory activities against acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) by Ellman’s method. Most of the tested derivatives showed higher inhibition on BChE than AChE, however, their overall inhibitory activity was weak. In contrast, three derivatives (compounds 3,6,9) showed higher and good AChE inhibitory activity of more than 50% inhibition at 10 μg/mL. Among them, compound 9bearing a ethyl substituent at para position of the benzoyl ring showed the most potent AChE inhibition, with IC50 of 5.64 μg/mL. Ligand-protein docking simulation was also performed for the most active derived molecules (compounds 3,6,9).
Identification of Medications that Increase Fall Risk among Residents in Residential Aged Care Facilities in Klang Valley, Malaysia
Authors: Mazlan Arif Zikri , Omar Marhanis , Mhd-Ali Adliah , Makmor-Bakry Mohd
Published: May 2021

Frailty in the elderly is considered a contributor to falls and is increasingly recognized as a public health priority.Certain type of drugs is associated with the risk of falling.This study aimed to identify the use of drugs that may cause falls (FRIDs) among frail elderly residents in residential aged care facilities (RACF).A cross-sectional study was conducted among RACF residents in Klang Valley, Malaysia, who are 65 years old and above from December 2019 to March 2020 using a set of researcher-assisted and validated questionnaires upon their consent. A total of 72 elderly residents were included in this study. More than 90% of the residents were classified as the frail or pre-frail. The majority of them were taking fall-risk increasing drugs (n=53, 73.6%). The calcium channel blocker is the most common drug identified that may cause falls among the participants. No significant association was found between demographic data, frailty status, and fall risk with FRIDs usage in this study. The majority of the elderly residents were using drugs that may cause falls. Therefore, a periodical medication review is needed to prevent any potential harms towards the residents.
Prediction of Epidemic Trends in COVID-19 with Mann-Kendall and Recurrent Forecasting-Singular Spectrum Analysis
Authors: Shaharudin Shazlyn Milleana , Ismail Shuhaida , Samsudin Mohd Saiful , Azid Azman , Tan Mou Leong , Ahmad Basri Muhamad Afdal
Published: May 2021

Novel coronavirus also known as COVID-19 was first discovered in Wuhan, China by end of 2019. Since then, the virus has claimed millions of lives worldwide. In 29th April 2020, there were more than 5,000 outbreak cases in Malaysia as reported by the Ministry of Health Malaysia (MOHE). This study aims to evaluate the trend analysis of the COVID-19 outbreak using Mann-Kendall test, and predict the future cases of COVID-19 in Malaysia using Recurrent Forecasting-Singular Spectrum Analysis (RF-SSA) model. The RF-SSA model was developed to measure and predict daily COVID-19 cases in Malaysia for the coming 10 days using previously-confirmed cases. A Singular Spectrum Analysis-based forecasting model that discriminates noise in a time series trend is introduced. The RF-SSA model assessment is based on the World Health Organization (WHO) official COVID-19 data to predict the daily confirmed cases after 29th April until 9th May, 2020. The preliminary results of Mann-Kendall test showed a declining trend pattern for new cases during Restricted Movement Order (RMO) 3 compared to RMO1, RMO2 and RMO4, with a dramatic increase in the COVID-19 outbreak during RMO1. Overall, the RF-SSA has over-forecasted the cases by 0.36%. This indicates RF-SSA’s competence to predict the impending number of COVID-19 cases. The proposed model predicted that Malaysia would hit single digit in daily confirmed cased of COVID-19 by early-June 2020. These findings have proven the capability of RF-SSA model in apprehending the trend and predict the cases of COVID-19 with high accuracy. Nevertheless, enhanced RF-SSA algorithm should to be developed for higher effectivity in capturing any extreme data changes.
Analysis of Geomagnetic Ap Index on Worldwide Earthquake Occurrence using the Principal Component Analysis and Hierarchical Cluster Analysis
Authors: Ismail Nur Hidayah , Ahmad Nazhatulshima , Mohamed Nur Anisah , Tahar Mohammad Redzuan
Published: May 2021

Geoeffective solar events, especially the coronal mass ejection (CME) and the high-speed solar wind (HSSW) will induce geomagnetic storm upon its arrival to Earth. The solar events could trigger an earthquake occurred during the arrival. In this study, the focus is on the proxy of the geoeffective solar events, which is the geomagnetic Ap index and the data of shallow worldwide earthquakes. The main objective was to investigate the impact of geomagnetic storms on the occurrences of earthquakes from 1994 to 2017 from a statistical perspective. The geomagnetic Ap index data was obtained from the Helmholtz-Centre Postdam - GFZ German Research Centre for Geosciences and the shallow worldwide earthquake data were from the United States Geological Survey (USGS) earthquake catalogue. The Principal Component Analysis (PCA) and Hierarchical Cluster Analysis (HCA) were used to analyse the data. Two groups were obtained from the PCA biplot: Group 1 - before the event (Day-4 to Day-1) and Group 2 - after the event group (Day 0 to Day+4). A two-cluster solution was obtained from the HCA, which shows that days before and after geostorm are divided into two main clusters. The statistical results show that earthquakes activity might have different behaviour before and after the geostorm occurred. In conclusion, the results emphasize that there are differences between days before and after the geostorm occurrence, hence, the solar influence upon earthquake occurrences cannot be neglected entirely.
Impact Of Strain Rate On Mechanical Properties Of Metallic Sheets At Various Temperatures
Authors: Et. al. Dr BVS Rao,
Published: May 2021

It is known that in warm and hot forming processes, the forming speed and with-it combined strain rate has immense role on material flow in bulk and sheet metal operations. In contrast, the influence of the strain rate on the flow curve has been rarely analysed at room temperature. This work analyses the influence of strain rate on flow curve of bimetallic sheets, Copper and Aluminium metals. Evaluation of the flow curve is carried out as a function of strain rate. In this work three different strain rates are considered for three different materials viz bimetallic sheets(Cu-Al), Copper and Aluminium. In addition to this ,the evaluation of flow curve at elevated temperatures is carried out. The  Variation of mechanical properties with  strain rate are plotted and  analysed.
The use of artificial intelligence algorithms in the criminalistic study of criminal activity (on the example of serial crimes)
Authors: Bessonov A. A.
Published: May 2021

Since artificial intelligence technologies are firmly embedded in many areas of modern life, it is time to explore in detail their capabilities in criminology in the study of criminal activity. The article describes the experience of developing digital models of serial crimes committed for sexual reasons using artificial intelligence algorithms. The empirical basis of the study was data on 1068 serial crimes, including murder. Methods of mathematical statistics and a number of artificial intelligence algorithms were used for data processing: gradient boosting, neural networks, logistic regression, etc. As a result, typical signs of crimes and natural connections between them, used for training models, presented by artificial intelligence algorithms, are revealed. The obtained decision support systems allow predicting the distance from the crime scene to the place of residence of the offender (accuracy 88.3—93.5 %), the age of the offender (accuracy 80.3 %, confidence interval ±6 years), the presence of a mental illness (accuracy 81.5 %) and criminal record (accuracy 82 %), as well as some other characteristics. According to the results of the study, it is concluded that the methods of mathematical statistics and artificial intelligence can be used in the investigation of crimes, as well as in criminalistics.
The effect of electrical stimulation by bipolar-pulse microcurrents on regeneration processes in experiment and clinic
Authors: Lazarenko Nina N. , Shemshuk Marina I. , Gerasimenko Marina Yu. , Tigay Zhanna G.
Published: May 2021

Objective. The purpose of this study is to study the effect of electrical stimulation by bipolar-pulsed microcurrents: in an experiment on lymphatic drainage of a marker from the mesentery of mice and in the clinic on patients with hypertrophic scars in the face.
Materials and methods. In the experiment, the rate of resorption of the marker from the mesentery of mice (n = 10) receiving the placebo procedure and mice (n = 10) receiving the course of electrical stimulation with bipolar-pulsed microcurrents were measured under a light microscope. In addition, the clinic observed patients aged 18 to 60 years (n = 100), with hypertrophic scars in the face area that arose for various reasons. Of these, the 1st (control) group of patients (n = 10) received only one standard drug therapy, and the 2nd (main) group (n = 90) additionally received electrical stimulation with bipolar-pulsed microcurrents in the face area.
Results. The experiment showed that the rate of resolution of the marker in the mesentery of the intestines of mice after a course of electrical stimulation was greater than in mice treated with the placebo procedure. In a clinical study in patients in the 2nd (main) group after a course of electrical stimulation, on the background of drug therapy, better results were achieved on the Vancouver Scar Scale and in a shorter time period than in patients in the 1st (control) group who received drug therapy . The greater effectiveness of the results in patients in the 2nd (main) group was confirmed by the data of statistical regression analysis.
Conclusions. The results of this experiment showed that electrical stimulation by bipolar-pulsed microcurrents accelerates lymphatic drainage in the mesentery of the intestines of mice. In a clinical study, the use of electrical stimulation with bipolar-pulsed microcurrents in patients with hypertrophic scars in the face region in the 2nd group showed high efficiency and the transition of hypertrophic scars to normotrophic ones in earlier periods.
Hastanede yatan COVID-19 hastalarında elektrokardiyografik bulgular ve hidroksiklorokin + azitromisin tedavisinin kardiyak güvenliği
Authors: AKKUŞ Oğuz , BAL Tayibe , YAGOOBİ Hasibullah , BEKLER Özkan , AKKUŞ Gamze , ÇABALAK Mehmet
Published: May 2021

Amaç: Bu çalışma ile COVID-19 hastalarında 12-derivasyonlu elektrokardiyografinin (EKG) standart değerlendirmesine ek olarak yeni aritmi belirteçlerini ve tedavi etkisininin araştırılması amaçlanmıştır.

Gereç ve Yöntem: Toplam 51 COVID-19 hastasının 12-derivasyonlu EKG si tedavi öncesi, tedavinin 2. ve 5. günlerinde geriye dönük olarak değerlendirildi. Hastalar COVID-19’a yönelik hidroksiklorokin (HCQ) + azitromisin veya sadece HCQ tedavisi aldı. Ciddi COVID-19 hastaları, pnömoni bulgularına ek olarak SpO230/dk olarak tanımlandı.

Bulgular: Hastaların %68,6’ı HCQ + azitromisin kombinasyon tedavisi alırken, %31,4 hasta sadece azitromisin tedavisi aldı. Tedavinin 2. gününde, kombinasyon tedavisi alanlarda ve sadece azitromisin alanlarda sadece kalp hızı istatistiksel olarak anlamlı değişken olarak bulundu. Tedavinin 5. gününde kalp hızına ek olarak ve cTpe değerleri her iki tedavi rejiminde istatistiksel olarak anlamlı olarak bulundu. Tedavi süresince her iki tedavi rejiminde Tpe düzeyleri istatistiksel anlamlı olarak artmasına rağmen, rölatif artış oranları istatistiksel olarak gruplar arası benzer bulundu.

Sonuç: Çalışma sonuçlarımız, kısa süreli hastanede yatan COVID-19 hastalarında kullandığımız HCQ/ azitromisin tedavisinin kabul edilebilir düzeyde kardiyak etki profiline sahip olduğunu göstermektedir.
Relationship between Covid-19-associated pneumonia severity with coagulopathy and mortality
Authors: AVCİ Begüm Şeyda , KAYA Adem , SÜMBÜL Hilmi Erdem , İÇME Ferhat , YEŞİLAĞAÇ Hasan , ÜNAL Nevzat , YEŞİLOĞLU Önder , ÇINAR Hayri , TURUNÇ Tuba
Published: May 2021

Purpose: In the present study, the possibility of predicting mortality with the change in coagulation parameters depending on the severity of Covid-19-associated pneumonia was investigated.

Materials and Methods: A total of 137 patients with Covid-19-associated pneumonia were included in the study. The patients were divided into three groups according to the severity of pneumonia as mild, moderate and severe. According to the severity of pneumonia, the parameters of complete blood count and the levels of biochemical parameters were compared between the groups. By examining blood parameters according to mortality, ROC analysis and regression analysis were performed to determine the net effect of these parameters on mortality.

Results: As the severity of pneumonia increased, Prothrombin time (PT), International normalized ratio (INR) and Activated partial thromboplastin time (aPTT) values were also increased, and a statistically significant difference was found between the groups in PT and INR values. PT, INR and aPTT levels were higher in cases with mortality. Mortality can be predicted with 93.5% sensitivity and 97.5% specificity. according to the >45.1 seconds(sec) cut-off value of the coagulation parameter (aPTT+PT.

Conclusion: The coagulation parameter (aPTT + PT), whose level increases secondarily to the increase in Covid-19-associated pneumonia severity, provides successful results in predicting mortality, and may be a parameter that we can recommend in clinical use.
Comparison of energy consumptions measured by metabolic monitor with standard equations in intensive care patients
Authors: KARAKOÇ Emre , TAKTAKOĞLU Onur , ERDOGAN Murat
Published: May 2021

Purpose: The aim of this study was to determine parameters affecting the energy consumption in intensive care patients, and the most reliable formulas for calculation of energy consumption.

Materials and Methods: This prospective study was carried out in the intensive care unit of the Internal Medicine Department of Çukurova University Hospital. Total 71 patients above 18 years of age, with hemodynamical and respirational stability, and being followed up on a mechanical ventilator for more than 24 hours, were included to this study. We analyzed the correlation of calculated energy consumption values obtained from formulas, with the energy consumption values measured by indirect calorimeter.

Results: The study was executed on 71 patients. The mean energy consumption of the patients was 2078±794 kcal and the mean energy need per kilogram was found as 31.64±13.82 kcal. Indirect calorimeter measurements showed the strongest correlation with Swinamer formula.

Conclusion: Indirect calorimetry has become not only a "gold standard" but an "achievable gold standard" in determining energy consumption. We recommend that the indirect calorimeter method should be used in intensive care patients to maintain nutrition properly. Under conditions where indirect calorimeter cannot be used, or it is not desirable to wait for 24 hours; feeding can be started according to the results of a 2-hour measurement, or reliable predictive equations.
Antidepresanların ilaç ilişkili hareket bozuklukları ve cinsel yan etkiler açısından karşılaştırılması
Authors: NAMLI Zeynep , TAMAM Lut , DEMİRKOL Mehmet Emin , KARAYTUĞ Mahmut Onur , UĞUR Kerim , ERİŞ Özge
Published: May 2021

Amaç: Çalışmamızda farklı antidepresan gruplarının cinsel yan etkiler, daha az bilinen uyku bruksizmi ve nörolojik yan etkiler açısından karşılaştırılması amaçlanmıştır.

Gereç ve Yöntem: Çalışmanın örneklem grubunu 18-50 yaş aralığında, depresif bozukluklar ve/veya anksiyete bozuklukları tanısı ile ayaktan tedavi gören, 1 aydan uzun süredir antidepresan monoterapisi alan 406 hasta oluşturmaktadır. Tüm hastalara; sosyodemografik veri formu, Hamilton Depresyon Ölçeği (HAM-D), Hamilton Anksiyete Ölçeği (HAM-A), UKU Yan Etki Değerlendirme Ölçeği nörolojik yan etkiler bölümü, Arizona Cinsel Yaşantılar Ölçeği (ACYÖ) ve Morisky İlaç Uyum Ölçeği uygulanmıştır. Kullanılan antidepresanlar; seçici serotonin geri alım inhibitörleri (SSGİ), serotonin norepinefrin geri alım inhibitörleri (SNGİ ve vortioksetin olmak üzere üç gruba ayrılarak karşılaştırılmıştır.

Bulgular: YAB tanılı hastalarda SNGİ kullananların UKU nörolojik yan etkiler ortalama puanı SSGİ kullananlardan anlamlı olarak yüksek belirlendi. Depresif bozukluk tanılı hastalarda; ilaç tedavisine yeterli uyum sırasıyla %91.3 oranında vortioksetin, % 73.8 oranında SSGİ ve %50 oranında SNGİ kullanan hastalarda belirlendi ve üç grup arasındaki fark istatistiksel olarak anlamlıydı.

Sonuç: Antidepresan ilaç grupları bazı yan etkiler ve tedavi uyumu açısından birbirinden farklılık gösterebilmektedir. Antidepresan kaynaklı uyku bruksizmi ve hareket bozuklukları gibi daha az bilinen yan etkilerin daha iyi anlaşılması için prospektif çalışmalara ihtiyaç bulunmaktadır.
Patient satisfaction on nursing care: the case of in day surgery
Authors: GEZER Derya , ARSLAN Sevban
Published: May 2021

Purpose: The study was conducted to assess day surgery patients’ satisfaction levels with nursing care.

Materials and Methods: The study used a descriptive and cross-sectional design and was carried out through face-to-face interviews between January and March 2016 with 98 patients who were hospitalized in the day surgery unit of a university hospital, who were 18 years or older, spoke Turkish and were able to comprehend and answer the questions, and volunteered to take part in the study. A personal questionnaire containing questions about the patients' descriptive characteristics, and the Newcastle Satisfaction with Nursing Scales (NSNS), adapted into Turkish by Uzun, were used to collect the data.

Results: The patients’ mean age in the study was 6.2±14.5 and 56.1% of them were women. The mean score of the Experience of Nursing Care Scale (ENCS) applied to the patients was 84.4±18.1 and the Satisfaction with Nursing Care Scale’s (SNCS) mean score was 82.4±19.2. The satisfaction level in surgical clinic patients was high in a statistically significant manner. There was a positive statistically significant correlation and between mean scores of the patients in ENCS and SNCS. The scores of the scales range from 0 to 100 points. A total score of 100 points indicate the highest satisfaction with all aspects of nursing care.

Conclusion: It was determined that the patients' nursing care experience and nursing care satisfaction scores were high, and as the care experience total score increased, the nursing care satisfaction score increased.
Kastamonu’da Yetiştirilen Ala Erik ile Ala Erikten Elde Edilen Üryani Eriğinin Toplam Antioksidan Aktivite, Toplam Fenolik Bileşik ve Toplam Flavonoid Madde İçeriklerinin Karşılaştırılması
Authors: TAHMAS KAHYAOĞLU Deren
Published: May 2021

Bu çalışmada Kastamonu ilinin Daday ilçesinin 6 farklı bölgesinden Ala erikler temin edilmiş, bu Ala eriklerin kabuklarının soyularak kurutulmasıyla da Üryani erikler elde edilmiştir. Erik örneklerinde nem, kurumadde, pH ve titrasyon asitliği değerleri belirlenmiş ve toplam antioksidan aktivite, toplam fenolik bileşik ve toplam flavonoid madde içerikleri karşılaştırılmıştır. Ala eriklerin nem, kurumadde, pH ve titrasyon asitliği ortalama değerleri sırasıyla %80.24±1,19; %19.76±1,20; 3.80±0,09; %0.61±0,08 olarak tespit edilmiştir. Ala eriklerin toplam antioksidan kapasite, toplam fenolik bileşik ve toplam flavonoid madde miktarı ortalama değerleri sırasıyla 3.26±0.63 mg askorbik asit eşdeğeri(AE) g-1; 0.67±0.19 mg gallik asit eşdeğeri (GAE) g-1; 0.80±0.15 mg quercetin eşdeğeri (QE) g-1 olarak belirlenmiştir. Ala eriklerin kurumaddedeki toplam antioksidan kapasite, toplam fenolik bileşik ve toplam flavonoid madde miktarı ortalama değerleri sırasıyla 16.26±2.30 mg AE g-1; 3.32±0.79 mg GAE g-1; 4.00±0.55 mg QE g-1 olarak tespit edilmiştir. Üryani eriklerinin toplam antioksidan kapasite, toplam fenolik bileşik ve toplam flavonoid madde miktarı ortalama değerleri sırasıyla 14.67±2.28 mg AE g-1; 2.49±0.79 mg GAE g-1; 2.71±0.55 mg QE g-1 olarak belirlenmiştir. Elde edilen sonuçlara göre kurutma işlemi esnasında uygulanan ısıl işlemin erik örneklerinin toplam antioksidan kapasite, toplam fenolik bileşik ve toplam flavonoid madde miktarlarında azalmaya sebep olduğu tespit edilmiştir.
Conceptualization of Machine Learning in Economic Forecasting
Authors: Paruchuri Harish
Published: May 2021

Economic forecasting is a very important aspect that policymakers in the financial and corporate organization rely on because helps them to determine future events that might infringe some hardship on the economy and the citizens at large. However, the principal statistical pointers that are available to the public domain provide numerous reservations and doubts for their economics estimates as it is later released with frequent issues to major revisions and also it shows a great lag in decision making for an incoming event. To this effect, the expansion of the latest forecasting patterns was important to address the gaps. Hence, this paper examines the conceptualization of Machine learning in economic forecasting. To achieve this, the Italian economy was used as the dataset, and machine learning controlled tools were used as the method of analysis. The result obtained from this study shows that machine learning is a better model to use in economic forecasting for quick and reliable data to avert future events.
Cardiac Involvement in COVID-19
Authors: Sugraliyev A. B.
Published: May 2021

The novel coronavirus infection, COVID-19, is a highly contagious viral disease associated with acute, severe respiratory syndrome, which is based on the development of pronounced thrombo-inflammatory syndrome. As the number of patients with COVID-19 increased, heart damage has been reported, especially in patients with severe and critical COVID-19. This review describes the role of angiotensin-converting enzyme 2 receptor in the regulation of viral entry, the variety of damages to the heart and coronary arteries, and the importance of arterial hypertension and of the use of renin-angiotensin-aldosterone system inhibitors in the prognosis of patients with COVID-19.
Lack of association between serum IL-25 levels and acute coronary syndrome: a preliminary study
Authors: Naderi Nadereh , Farshidi Narges , Farshidi Hossein , Montazerghaem Hossein , Rahimzadeh Mahsa
Published: May 2021

Purpose    Here, for the first time, the possible association between IL-25 and the risk of acute coronary syndrome (ACS) in Iranian patients was investigated.Material and methods    In this study, serum IL-25 concentrations were measured with an enzyme-linked immunosorbent assay in 88 ACS patients, 40 stable angina pectoris (SAP) patients, and 50 healthy control subjects.Results    No significant differences in IL-25 concentrations were observed between SAP (340±168 ng / l), ACS (330±151 ng / l), and control (302±135 ng / l) groups (p=0.5), nor was there a difference among patients with 1, 2, or 3 vessel disease in the SAP and ACS groups. Linear regression analyses revealed that IL-25 was not correlated with coronary artery disease risk factors. Biochemical and demographic variables did not differ significantly among IL-25 quartiles.Conclusion    Despite previous murine and human studies showing a protective role of IL-25 in atherosclerosis, our results revealed that IL-25 does not have potential implications for atherosclerosis development and management in humans.