bluuebunny/crossref_metadata_2025 huggingface dataset:
STUDI TENTANG LAYANAN INDUSTRI OTOMOTIF TERHADAP PESERTA PRAKTIK KERJA INDUSTRI
Authors: Taufiqurrahman Taufiqurrahman , Jatmoko Dwi
Published: July 2020

Penelitian ini bertujuan untuk mengetahui, (1) Kompetensi produktif yangdapat diimplementasikan dalam kegiatan Praktik Kerja Industri (Prakerin) dan(2) untuk mengetahui bagaimana bentuk-bentuk partisipasi industri dalampelaksanaan Prakerin Program Studi Pendidikan Teknik Otomotif.Penelitian ini menggunakan pendekatan penelitian Ex-Post Facto.Penelitian ini merupakan penelitian deskriptif karena menggambarkan secarasistematis fakta dan karakteristik subjek yang diteliti secara tepat, kemudianmemaparkannya secara lugas seperti apa adanya. Populasi pada penelitian iniadalah seluruh industri mitra kerjasama Prakerin program studi Pendidikan TeknikOtomotif U M P berjumlah 17 Industri di DIY dan Kabupaten Purworejo.Metode pengambilan data menggunakan angket/kuisioner semi‒terbuka dandokumentasi. Teknik analisis yang digunakan adalah analisis deskriptif kuantitatifdengan persentase dan analisis deskriptif kualitatif dengan penjelasan.Hasil penelitian didapatkan bahwa: (1) Pekerjaan-pekerjaan yang diberikanoleh Industri merupakan kompetensi produktif yang telah diajarkan disekolah,intensitas pelaksanaannya di setiap Industri berbeda-beda mengacu padalayanan yang dimiliki oleh industri dan sumber daya yang dimiliki olehIndustri. (2) Partisipasi industri tidak bisa ditentukan berdasarkan kebutuhandunia pendidikan khususnya sekolah, melainkan pihak sekolah yang harusmelakukan pendekatan-pendekatan yang lebih intensif agar diperolehkemitraan dengan industri yang lebih baik sehingga kebutuhan sekolahterhadap dunia industri sebagai tempat pembelajaran yang nyata dapatterlaksana. Industri telah memberikan partisipasinya bagi peserta didik berupasuatu wawasan baru dalam pembentukan karakter dan sikap peserta didikmelaksanakan pekerjaan. Partisipasi Industri dalam membentuk karakterpeserta didik tersebut berupa sikap disiplin dalam bekerja, inisatif dalampekerjaan, kerjasama dan tanggungjawab dalam pekerjaan.Kata kunci: Studi Layanan, Industri Otomotif, Prakerind
PENGEMBANGAN MEDIA PEMBELAJARAN KELISTRIKAN CHARGING SYSTEM BERBASIS MACROMEDIA FLASH 8 DI SMK MA’ARIF 1 KROYA
Authors: Andryawan Riky , Jatmoko Dwi
Published: July 2020

Penelitian ini bertujuan untuk : (1) untuk mengetahui tahapan membuatproduk pengembangan media pembelajaran berbasis animasi kelistrikancharging system untuk diterapkan pada kompetensi sistem kelistrikan di SMKMa’arif 1 Kroya, (2) untuk mengetahui kelayakan media pembelajaran kelistrikancharging system berbasis Macromedia Flash 8 d SMK Ma’arif 1 Kroya, dan (3)untuk mengetahui hasil belajar siswa terhadap media pembelajaran kelistrikancharging system berbasis Macromedia Flash 8 d SMK Ma’a f 1 K ya.Teknik pengumpulan data dalam penelitian ini adalah wawancara,observasi, dan angket. Obje penel t an ya tu ela XII TKR SMK Ma’a f 1 K yadengan Kelas XII TKR 3 sebagai kelas kontrol dan kelas XII TKR 1 sebagai kelaseksperimen serta melibatkan kelas lain untuk pengujian media kelompok kecildan kelompok besar. Tahapan yang dilakukan yaitu tahap pendefinisian (define),tahap perencanaan (design), tahap pengembangan (develop), dan tahappenyebaran (disseminate).Hasil penelitian ini diukur berdasarkan kelayakan media pembelajaranyang di validasi oleh para ahli dan di uji cobakan pada kelas kontrol dan kelaseksperimen. Berdasarkan hasil validasi oleh ahli materi diperoleh skor rata-ratamulat f ebe a 90,0% dengan te a “Sangat Laya ” t da ada ev te hadapmateri. Skor rata-rata komulatif validasi oleh ahli media sebesar 90,0% dengante a “Sangat Laya ” namun ada pe ba an ngan te hadap med a dan apdigunakan untuk ujicoba lapangan. Uji coba dilakukan melalui 2 tahap yaitu ujicoba kelas kontrol dan uji coba kelas eksperimen. Sebelum diujikam pada kelaskontrol dan eksperimen dilakukan uji kelopok kecil dan kelompok besar. Pada ujicoba kelompok kecil diperoleh skor rata-rata 93,7% dengan te a ‘’Val d’’, danhasil uji coba kelompok besar diperoleh skor rata-rata 94,8% dengan kriteria‘’Val d’’. Ha l uj c ba kelas kontrol diperoleh rata-rata skor sebesar 66,5 dengankriteria "Kurang Baik" artinya media yang digunakan sebelum pengembangankurang layak digunakan dan uji coba kelas eksperimen memperoleh rata-rataskor 86,7 dengan kriteria "Baik" artinya media yang dikembangkan layakdigunakan dan siap digunakan sebagai bahan ajar.Kata Kunci : charging system, media pmbelajaran, macromedia flash 8
PENGEMBANGAN MEDIA PEMBELAJARAN SISTEM WIPER OTOMATIS (RAIN SENSOR) UNTUK MENINGKATKAN HASIL BELAJAR SISWA KELAS XII DI SMK ISLAM SUDIRMAN GRABAG MAGELANG
Authors: Supriyadi Danik , Suyitno Suyitno
Published: July 2020

Penelitian ini bertujuan : (1) untuk mengetahui kelayakan dan hambatan dalam pembuatan media pembelajaran, (2) untuk meningkatkan hasil belajar siswa sesuai dengan kriteria ketuntasan minimal (KKM) sekolah sebesar 75 pada mata pelajaran sistem wiper dengan mengembangkan media pembelajaran trainer konvensional menjadi media pembelajaran trainer sistem wiper otomatis. Jenis penelitian yang digunakan Research and Development.Subyek dalam penelitian ini merupakan siswa kelas XII TKR SMK Islam Sudirman Grabag Magelang dengan kelas eksperimen (XII TKR B) yang berjumlah 25 siswa dan kelas kontrol (XII TKR A) yang berjumlah 24 siswa. Pengumpulan data dilakukan dengan menggunakan metode angket dan tes. Angket berisi tanggapan siswa dengan 3 indikator dan 6 pernyataan dan tes berisi 20 butir soal. Sebelum digunakan sebagai instrumen penelitian, angket dan tes di uji cobakan secara terbatas kepada 20 siswa jurusan teknik kendaraan ringan untuk memperoleh validitas instrumen. Penghitungan instrumen angket dan tes menggunakan rumus validitas point biserial atau dengan taraf signifikansi 5%.Hasil penelitian sebagai berikut : Uji coba terbatas terhadap instrumen menghasilkan dimana dan dengan nilai rata-rata 72,708% atau dengan kategori valid. Prosedur pengembangan sistem wiper otomatis di SMK Islam Sudirman Grabag Magelang dimulai dari tahap observasi, dilanjutkan dengan pembuatan media pembelajaran trainer sistem wiper otomatis pada mata pelajaran sistem wiper dan washer, langkah pembuatan media tersebut dimulai dari : (1) perencanaan, sketsa alat yang akan dihasilkan ditentukan, (2) penyediaan bahan, (3) pembuatan media, (4) uji kelayakan alat dengan uji terbatas melalui penggalian tanggapan siswa terkait alat tersebut, (5) revisi tahap I, (6) uji validasi ahli media, (7) revisi tahap 2, (8) implementasi, dimana alat yang telah dihasilkan siap untuk digunakan didalam penelitian. Hambatan didalam pembuatan media pembelajaran yakni modul yang kurang awet karena menggunakan bahan bahan yang tersedia di pasaran tanpa melihat kualitas. Peningkatan hasil belajar siswa pada kelas eksperimen sebesar 7,6%, dengan nilai rata-rata 76,00 (sudah memenuhi KKM) dengan demikian menunjukkan siswa lebih aktif dan termotivasi dengan adanya media pembelajaran trainer sistem wiper otomatis. dan nilai rata-rata siswa pada kelas kontrol sebesar 68,12 (belum memenuhi KKM).Kata Kunci : Pengembangan, Media pembelajaran , Trainer, Hasil Belajar
El proceso de la discusión de la Ley Federal de Radio, Televisión y Telecomunicaciones en el contexto de la Teoría de la Acción Social
Authors: Casas Pérez María de la Luz
Published: July 2020

El papel de los medios de comunicación es vital para comprender la forma en la que se desarrollan las agendas de la discusión en cualquier sistema social. Sin embargo, poco se ha estudiado la forma en que los actores sociales se presentan ante la opinión pública a fin de promover su causa e incidir en un tema específico. La manera en la que éstos se articulan y presentan en el escenario social, resulta sustantiva tanto para los objetivos de su acción así como para el establecimiento de su importancia relativa dentro de un escenario político. Las transformaciones recientes de los procesos de gestión de las políticas públicas del audiovisual, sugieren la necesidad de estudiar la participación de los diversos actores que intervinieron en el proceso de discusión de las reformas a la Ley de Radio y Televisión y de Telecomunicaciones, así como su incidencia en los medios periodísticos impresos.
La Suprema Corte de Justicia y el rescate comunicativo del Estado Nación: el caso de la Ley Televisa
Authors: Esteinou Madrid Javier
Published: July 2020

Con la valiente resolución jurídica que tomó la Suprema Corte de Justicia de la Nación al declarar inconstitucional la Ley Televisa presenciamos un evento de enorme trascendencia histórica que contribuyó significativamente a recolocar nuevamente a principios del nuevo milenio al Estado nación como instancia rectora de proceso de comunicación del país frente a las fuerzas monopólicas de la posmodernidad tecnológica y política. De esta forma, a partir de los fundamentos constitucionales la Corte se enfrentó con firmeza y soberanía a los poderes fácticos informativos que habían erosionado drásticamente la esencia, la soberanía, la centralidad, y la misión del Estado mexicano como cerebro dirigente de la comunidad al finalizar el siglo xx y comienzos del siglo xxi y reivindicó el sentido fundamental de la existencia y acción del Estado en el proceso de construcción del proyecto de comunicación colectivo desde los postulados nacionalistas de la Constitución Mexicana.
La dimensión comunicativa del arte. Apuntes para un estado de la cuestión
Authors: Romeu Aldaya Vivian
Published: July 2020

Este trabajo hace un intento por mostrar algunos de los trayectos convergentes entre el arte y la comunicación. El rastreo centra su atención en los nodos conceptuales que marcan un cambio sustancial en la manera de entender los vínculos entre ambos campos, y con ello pretende una caracterización de la red conceptual en la que desemboca el panorama de las relaciones entre el campo del arte y el campo de la comunicación, a partir de lo que hemos determinado como dimensión comunicativa del arte. El objetivo, por tanto, es ofrecer una aproximación al estado de la cuestión sobre este tema y contribuir así a la consolidación de los estudios sobre este tópico.
Carlos Monsiváis y el campo académico de la comunicación: Interacción y sentidos
Authors: Karam Cárdenas Tanius
Published: July 2020

El objetivo de estas líneas es mostrar, a la manera de dos miradas cruzadas, cómo puede ser percibido Monsiváis por el campo de la comunicación, y qué dice el autor de Días de Guardar del propio campo. Para tal efecto se realiza una primera caracterización del campo académico de la comunicación (cac), se propone una nueva interpretación desde lo que llamamos socio-semiótica. Posteriormente presentamos rápidamente los rasgos de la vida-obra monsivaita, para indagar sobre los dispositivos que el cac usa para producir-reproducir una relación sígnifica de Monsiváis en tanto referencia dominante. Finalmente hacemos un comentario sobre lo que Monsiváis ha dicho del cac y de los comunicadores.
Contenidos y significados ideológicos en las once películas más taquilleras mundialmente
Authors: Bon Pereira María Virginia
Published: July 2020

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Görsel Verilerle Çanakkale’de Mustafa Kemal’in Savaştığı Alanlar
Authors: Altuncuoğlu Neslihan , Özhan Hatice Özlem
Published: July 2020

Çanakkale Savaşı, sonuçları itibarıyla Türk ve Dünya tarihini askeri, siyasal ve ekonomik yönden etkilemiştir. Çanakkale’de tarihin seyri değişmiş, özgürlük ve bağımsızlığın emsalsiz mücadelesi sergilenmiştir. Çanakkale Muharebeleri’nde subay ve askerlerimiz savaşın her türlüsünü görerek büyük tecrübeler kazanmışlardır. Bu tecrübeler ilerde Millî Mücadele’nin zaferle sonuçlanmasına önemli katkılar sağlamıştır. Yarbay Mustafa Kemal, Birinci Dünya Savaşı başladığında Sofya Ataşemiliterliği görevinde bulunuyordu. Osmanlı Devleti’nin Birinci Dünya Savaşı’na girmesi üzerine aktif görev isteğinde bulunmuş ve Çanakkale Cephesi’ne, 19’uncu Tümen Komutanlığına atanmıştır. Tekirdağ’da tümeninin kuruluşunu tamamlayarak 25 Şubat 1915 tarihinde Eceabat’a gelmiştir. Mustafa Kemal, Balkan Savaşı sırasında Mürettep Kuvvetler Kurmayı ve Harekât Şube Müdürü olarak Gelibolu Yarımadası’nda görev yapmış ve sahillerin savunulması ile ilgili ayrıntılı incelemelerde bulunmuştur. Bu incelemeleri neticesinde düşmanın Seddülbahir ve Kabatepe civarındaki sahillere aynı anda çıkarma yapabileceği sonucuna varmıştır. 25 Nisan’daki çıkarma harekâtı Mustafa Kemal’in öngörüsünün ne kadar doğru olduğunu ortaya çıkarmıştır. Yarbay Mustafa Kemal Bey, 25 Şubat 1915 günü geldiği Çanakkale Cephesi’nde cepheden ayrıldığı 10 Aralık 1915 gününe kadar kahramanca görev yapmıştır. Bu tarihte rahatsızlığı nedeniyle cepheden ayrılıp İstanbul’a dönmüştür. Çanakkale’de Arıburnu, Conkbayırı ve Anafartalar bölgelerinde çok kanlı muharebeleri idare etmiş ve askerleriyle birlikte en önde çarpışmıştır. Çanakkale’de daha savaşın devam ettiği günlerde, adı ülke çapında duyulmuştur. Çanakkale Savaşı, Mustafa Kemal’in ismini sadece yurt çapında değil aynı zamanda dünyaya da duyurmuştur. Nitekim 19 Mayıs 1919 tarihinde, Samsun’a çıktığında Anafartalar Kahramanı olarak tanındığından millet onu bağrına basmıştır. Bu çalışmada, Çanakkale Cephesi’nde Mustafa Kemal’in savaştığı alanlar görsel veriler eşliğinde tanıtılacak ve savaş alanlarının günümüzdeki durumları gözler önüne serilecektir.
Cüveynî’nin Târîh-i Cihân-güşâsı’ndaki Bazı Türkçe-Moğolca Kelimeleri Açıklayan Bir Lügatçe
Authors: Koçoğlu Turgut , Ahmad Oughlı Abdul Khalil
Published: July 2020

Devlet adamlığının yanında tarihçiliği ile de şöhret bulmuş olan Atâ Melik Cüveynî’nin, 1252-1260 yılları arasında Farsça olarak kaleme aldığı üç ciltlik Târîh-i Cihân-güşâ adlı eseri, İran tarih yazıcılığında Türkçe ve Moğolca terimlerin kullanıldığı ilk eser niteliğindedir. Târîh-i Cihân-güşâ’daki Türkçe-Moğolca kelimeleri açıklayan bir lügatçe, eserin İran Meclis-i Şûrâ-yı Millî Kütüphanesi’ndeki bir nüshasının sonunda yer almaktadır. Müellifi ve yazılış tarihi bilinmeyen bu lügatçe, nüshayı istinsah eden kişi tarafından yazılmış olabilir. Yirmi beş sayfadan oluşan lügatçe yaklaşık bir buçuk sayfalık bir mukaddime ile başlar. Bu kısımda müellif, Târîh-i Cihân-güşâ’da geçen Çağatay Türkçesine ait kelimeleri bilmenin faydalı olacağını belirtip Çağatay Türkçesinin gramer ve imlâ kurallarından birkaçını aktarır. Mukaddimeden sonraki sözlük kısmında toplam üç yüz sekiz kelimenin açıklaması yer alır. Elif-bâ sistemiyle sıralanan sözlük bölümünde her harf için “Bâbü’l-Elif”, Bâbü’s-Sîn-i Mu’ceme” “Bâbü’l-Hâ-yı Mühmele” gibi başlıklar kullanılarak bu başlıktaki harfle başlayan kelimeler yine genellikle elif-bâ sistemi ile sıralanır. Burada açıklanacak kelimeler kırmızı mürekkeple, açıklamalar ise siyah mürekkeple yazılmıştır ve açıklamalar Farsçadır. Bu çalışma ile Türkçe-Farsça özel bir Târîh-i Cihân-güşâ sözlüğü olarak nitelenebilecek söz konusu lügatçenin neşri ve tercümesi yapılmaya çalışılmış ve ilgili alanlarda yapılacak çalışmalara katkı sağlanması amaçlanmıştır.
Effects of Work Discipline, Work Motivation and Compensation on Employees Performance at Sekretariat Direktorat Jenderal Perhubungan Udara
Authors: Marasabessy Frista Dearetha Marasabessy , Johanes Lo Singmin
Published: July 2020

This study aims to analyse the effects of work discipline, work motivation, and compensation on employees performance. The objects of this study are employees working at the Sekretariat Direktorat Jenderal Perhubungan Udara. The populations were 333 employees. The sample of 77 respondents was obtained by using Slovin’s formula with 10% error. The sampling method used was proportional stratified random sampling. Data were analysed by using multiple linear regression. The results show that work discipline, work motivation, and compensation have significant and positive effects to employees performance. Work motivation has the biggest influence on employees performance.
Design of Monitor Individuals Health using IOT A IOT Application for Military Area
Authors: Kumar K S Yashwanth , Murthy M S Dr. Narasimha
Published: July 2020

The universe of medical science is a developing zone that has quickened with new innovations and this is the point at which the vision of "The Internet of things (IoT)" has transformed into the real world. IoT can assume a critical job in observing indispensable organs of people in the field of National Guard. Remote wellbeing observing (utilizing IoT) is one of the potential answers for this interest. Remote wellbeing observing can be best used gave the device is wearable to encourage self checking. Right now a framework for observing of heartbeat rate, internal heat level (essential body parameters) of the individual with committed sensors and IoT. A framework is wearable and furthermore bolsters remote wellbeing observing. Remote wellbeing observing is performed by putting all the gathered information to cloud, this information can be recovered by the specialist for examination anywhere. Along with remote checking and wearability of framework, precision and cost can't be disregarded. An ideal exchange off among precision and cost of the framework is practiced by picking fitting temperature sensor and pulse rate sensor. The heart beat rate and temperature of an individual at various time moments are estimated by the sensors.
Effect of Business Performance and Working Culture on Consumer Buying Decisions During Pandemic Covid-19
Authors: Anisa Nur , Riyanto Setyo
Published: July 2020

This research aims to analyze the impact of business performance and working culture on small Micro Units (MSME) on the decision of consumer purchasing in the middle of pandemic Covid-19, which is happening today. The condition of Pandemic Covid19 is very influential on the economy in Indonesia in every sector of business is no exception to existing MSME. This research was conducted by spreading a questionnaire of 122 respondents. The study uses a descriptive method and quantitative approach; the data obtained is analyzed using multiple linear regression methods with the SPSS Statistic 25 application. The results of this research showed that the influence of business performance and working culture in MSME has a significant influence on the decision of consumer purchase in the middle of pandemic Covid-19.
Survey on Organic Light Emitting Diode
Authors: Hande Savithri , K B Prajna
Published: July 2020

Organic light emitting diodes is a new display technology, which uses organic thin materials that are placed between conductors. When an electric current is applied, a bright light is emitted. OLEDs are thin, transparent, flexible, foldable displays. In 1987 researchers of Eastman Kodak company invented OLED diode technology. The principal inventors were Chemists Ching W. Tang and Steven Van Slyke. In 2001 they received an Industrial Innovation Award from the American Chemical Society for their contribution in organic light emitting diodes. In 2003, Kodak realised its first OLED display had 512 by 218 pixels, 2.2 inch. Two technologies necessary to make flexible OLEDs were invented by Researchers at Pacific Northwest National Laboratory and the Department of Energy. Many researchers are contributing to improve the OLED technology. In this paper we give a brief of what is OLED, types of OLED, different fabrication methods of OLED, advantages and disadvantages of OLED.
The Influence of Supply Chain Management on the Creative Economy Performance of the Culinary Sub-Sector During the COVID-19 Pandemic
Authors: Ubaidillah Rian , Riyanto Setyo
Published: July 2020

This research article advocates improving the performance of supply chain management (SCM) in the creative economy improvement industry in the culinary sub-sector during the COVID-19 pandemic. At present many businesses are struggling to replace the pandemic conditions, one of which is in business processes related to suppliers and distribution channels. Businesses are also required to have a competitive advantage for their businesses in order to maintain or increase the productivity of the creative culinary subsector during the COVID-19 pandemic. It will be the focus of the problem in this research article, which is to study the influence of supply chain management (SCM). It is supported by the results of data processing that shows the supplier variables (X3), distribution channels (X2), and competitive advantage (X1) on business performance (Y) as the dependent variable. It reveals that special economic sector efforts in the culinary subsector need to be prepared strategies in dealing with the COVID-19 pandemic, specifically in supply chain management (SCM).
Effect of Helical Geometry on the Axial Compressive Capacity
Authors: Kurniawan Yofy , Iqbal Maulid M. , Dewi Ratna
Published: July 2020

Helical pile is an invention in pile foundation with a main objective of increasing pile capacity. According to Prasad, et.al (1996), definition of helical pile is a pile foundation that equipped with one or more helix that has a round shape, attached to the shaft with a certain distance between helixes. The aim of this study is to understand the effect of helixes number to the bearing capacity. In this study, empirical model is validated with the static loading test on three different type of helical pile: 1) single shaft, 2) helical pile with the same diameter of helixes and, 3) helical pile with different diameter of helixes on clay soil. The diameter of helixes are 15 cm, 20 cm, and 25 cm with distance between helixes 50 cm. The result shows the bearing capacity increase of single shaft to helical pile 252% - 369%. Moreover, the comparison of bearing capacity between helical pile with the same diameter of helixes and helical pile with different diameter of helixes is explained in this study.
Manufacturing of a Bimetallic Structure of Stainless Steel and Mild Steel through Wire Arc Additive Manufacturing – A Critical Review
Authors: B T Anirudhan , Devasia Jithin , Krishna Tejaswin , Kuruvila Mebin T
Published: July 2020

Wire and Arc based Additive Manufacturing, shortly known as WAAM, is one of the most prominent tech- nologies, under Additive Manufacturing, used for extensive production of complex and intricate shapes. This layer by layer deposition method avails arc welding technology; Gas Metal Arc Welding (GMAW), a competitive method in WAAM, is the conducted manufacturing process. It is a sum of heat source, originated from the electric arc, and metal wire as feedstock. The metal wire from the feedstock, melted by arc discharge, is deposited layer by layer. Another material can be added on to the top of deposited layer by replacing the feed wire from the stock, to fabricate a bimetallic structure. The purpose of this study is to collect the salient datum from the joining of two dissimilar metals. A combination of stainless steel and mild steel are considered. Proper deposition parameters, welding current along with voltage, bead width efficiency for both the metals were acquired. As a result, the physical properties of the dissimilar joint were approximate to the bulk material.
Effect of some Plant Leaves Extracts on Weight, Neutrophil and Lymphocyte Constituents of Cyclophosphamide-Induced Anaemia in Adult Male Albino Rats
Authors: Bukola Dele-Olawumi , O.I Olanrewaju, , P.A Ayodeji, , E.O Adedayo,
Published: July 2020

Anaemia is a global public health problem, it is the most common disorder of the blood, affecting about a quarter of the people globally. The effect of Sorghum bicolor, Carica papaya and Hibiscus sabdariffa leaves extracts on weight, Neutrophil and Lymphocyte Constituents of Cyclophosphamide-induced Anaemia in adult male albino rats was investigated. Aqueous extracts of Five hundred grams (500g) of each of the pulverized leaves was obtained in each case. Forty non-drug treatment (40) adult male albino rats were randomly allotted to eight (8) groups of five rats each on the basis of body weight and their differences in weights did not exceed 5g. Anaemia was induced in the rats using Cyclophosphamide. Blood samples were collected from the rats for biochemical analysis. Hematological indices were determined using standard procedure. One-way analysis of variance (ANOVA) and Duncan Studentised New Multiple Range Test were used to separate and compare means. The differences in means were considered significant at 5% probability. The group treated with 400mg/kgbw Sorghum bicolor showed highest decrease (28.23%) in neutrophils. Similarly, the group treated with 400mg/kgbw Sorghum bicolor had the highest increase in lymphocytes (105.41%) compared to others. Sorghum bicolor was significantly (P<0.05) higher in of zinc, magnesium, manganese and phosphorus while Hibiscus sabdariffa has the highest content of iron This study demonstrated that Sorghum bicolor, Carica papaya and Hibiscus sabdariffa leaf extracts would be beneficial in boosting blood volume and presents alternative to low cost management of nutritional Anaemia.
Persuasive Phytochemical Screening for Antioxidant Activity of Catharanthus roseus L. (Whole Plant)
Authors: Yadav Saroj , Rodrigues Tuleen , Reddy Harsha Vardhan , Pandey Sushil , Singh Archana , Prakash Om
Published: July 2020

Oxidative reactive species play an important role in pathological conditions such as aging, fatty liver and cancers. Secondary metabolites enriched fraction derived from medicinal plants showed the inhibition of free radical generation by playing an important role in precluding various diseases. The aim of present study was to evaluate the antioxidant activity of different extracts by using the DPPH method. We assayed the free radicals scavenging activity of extracts at 50, 100, 200, 400 and 500 µg/ml concentration and phytochemical study of Petroleum ether, Chloroform, Methanol and Aqueous whole plant extracts of Catharanthus roseus. Amid the five absorption concentrations tested, it was observed that dose of 500 µg/ml showed the higher antioxidant activity for each extract. All samples displayed an increasing antioxidant effect with increase in concentration i.e. concentration dependant. The IC50 value of Petroleum ether, Chloroform, Methanol and Aqueous extract was found as 330.73 µg/ml, 596.13 µg/ml, 801.92 µg/ml and 504.12 µg/ml respectively. The petroleum ether extract at the concentration of 500 µg/ml showed the highest % inhibition of 67.441% compare to other extracts. DPPH method provides an easy and fast way to analyze potential antioxidants. The C. roseus extracts can be considered a rich natural source of antioxidants and can be used to develop pharmaceutical products for therapeutic treatment of various disorders caused by free radicals in human body.
Factors Affecting Reading Performance Of Primary Four School Children: The Case Of University Practice School (South Campus) Winneba, Ghana.
Authors: Asumang Evelyn Susuana Ayorkor
Published: July 2020

This study examines the inhibiting factors affecting reading as a medium of instruction for primary four pupils in the University Practice Primary School (UPPS) at Winneba. Unfortunately, reading which is supposed to be a medium of communication had rather become a challenge by the aforementioned pupils. In this study, both quantitative and qualitative designs have been applied to address this gap. The findings of the study revealed that out of the thirty-two pupils tested, using the 100 high-frequency words for word recognition, only four (4) pupils attained a mastery level of 80%. Thus, rendering the remaining pupils as poor readers. The study recommends that pupils with reading difficulties may need more periods on the academic time table to read in order to overcome their problems. Furthermore, teachers must give much attention to pupils with such challenges.

Keywords: Reading, reading performance, Reading challenges, Teaching approaches.
Quenching as a Contest between Galaxy Halos and Their Central Black Holes
Authors: Chen Zhu , Faber S. M. , Koo David C. , Somerville Rachel S. , Primack Joel R. , Dekel Avishai , Rodríguez-Puebla Aldo , Guo Yicheng , Barro Guillermo , Kocevski Dale D. , Wel A. van der , Woo Joanna , Bell Eric F. , Fang Jerome J. , Ferguson Henry C. , Giavalisco Mauro , Huertas-Company Marc , Jiang Fangzhou , Kassin Susan , Lin Lin , Liu F. S. , Luo Yifei , Luo Zhijian , Pacifici Camilla , Pandya Viraj , Salim Samir , Shu Chenggang , Tacchella Sandro , Terrazas Bryan A. , Yesuf Hassen M.
Published: July 2020

Existing models of galaxy formation have not yet explained striking correlations between structure and star formation activity in galaxies, notably the sloped and moving boundaries that divide star-forming from quenched galaxies in key structural diagrams. This paper uses these and other relations to “reverse engineer” the quenching process for central galaxies. The basic idea is that star-forming galaxies with larger radii (at a given stellar mass) have lower black hole (BH) masses due to lower central densities. Galaxies cross into the green valley when the cumulative effective energy radiated by their BH equals ∼4× their halo gas-binding energy. Because larger-radii galaxies have smaller BHs, one finds that they must evolve to higher stellar masses in order to meet this halo energy criterion, which explains the sloping boundaries. A possible cause of radii differences among star-forming galaxies is halo concentration. The evolutionary tracks of star-forming galaxies are nearly parallel to the green-valley boundaries, and it is mainly the sideways motions of these boundaries with cosmic time that cause galaxies to quench. BH scaling laws for star-forming, quenched, and green-valley galaxies are different, and most BH mass growth takes place in the green valley. Implications include the radii of star-forming galaxies are an important second parameter in shaping their BHs; BHs are connected to their halos but in different ways for star-forming, quenched, and green-valley galaxies; and the same BH–halo quenching mechanism has been in place since z ∼ 3. We conclude with a discussion of BH–galaxy coevolution and the origin and interpretation of BH scaling laws.
Effect of Electromagnetic Interaction on Galactic Center Flare Components
Authors: Tursunov Arman , Zajaček Michal , Eckart Andreas , Kološ Martin , Britzen Silke , Stuchlík Zdeněk , Czerny Bozena , Karas Vladimír
Published: July 2020

Recently, near-infrared GRAVITY@ESO observations at 2.2 μm announced the detection of three bright “flares” in the vicinity of the Galactic center supermassive black hole (SMBH) that exhibited orbital motion at a distance of about 6–11 gravitational radii from an ∼4 × 106
M
⊙ black hole. There are indications of the presence of a large-scale, organized component of the magnetic field at the Galactic center. Electromagnetic effects on the flare dynamics were previously not taken into account despite the relativistic motion of a plasma in magnetic field leading to the charge separation and nonnegligible net charge density in the plasma. Applying various approaches, we find the net charge number density of the flare components of the order of 10−3–10−4 cm−3, while the particles’ total number density is of the order of 106–108 cm−3. However, even such a tiny excess of charged particles in the quasi-neutral plasma can significantly affect the dynamics of flare components, which can then lead to the degeneracy in the measurements of spin of the SMBH. Analyzing the dynamics of recent flares in the case of the rapidly rotating black hole, we also constrain the inclination angle between the magnetic field and spin axis to α < 50°, as for larger angles, the motion of the hot spot is strongly chaotic.
Gonadal maturity of Crassostrea corteziensis cultivated in the Gulf of California
Authors: Góngora-Gómez Andrés Martín , Sepúlveda Carlos Humberto , Verdugo Escobar Héctor Alejandro , Astorga Castro Osvaldo , Rodríguez-González Hervey , Domínguez-Orozco Ana Laura , Hernández-Sepúlveda Juan Antonio , García-Ulloa Manuel
Published: July 2020

The gonadal maturation of the pleasure oyster Crassostrea corteziensis during four cultivation cycles (November 2004-June 2005, N4J5; August 2014-February 2016, A14F16; September 2015-December 2016, S15D16; September 2016-August 2017, S16A17) was studied in the southeastern Gulf of California, Mexico. Although C. corteziensis exhibited the typical reproductive phases (undifferentiated or resting, initial gametogenesis, advanced gametogenesis, maturity, spawning and post-spawning), the intensity of reproduction and the timing of the onset of the different phases of gonadal development varied in each cultivation cycle. Reproductive peaks were observed in different months (N4J5 in May, A14F16 in July, S15D16 in May and S16A17 in June) during spring and summer. Spawning correlated with temperature in the N4J5 and A14F16 cultivation cycles but it showed no correlation with chlorophyll-a concentration in any of the cultivation cycles. C. corteziensis presented an opportunistic continuous reproductive strategy with spawning occurring during several months of the year. The modification of the species' reproduction pattern could contribute to the natural settlement of larvae, increasing the natural production of this native oyster resource in the southeast of the Gulf of California, where it has been fished intensively.
New records and morphometry of the Atlantic sixgill shark Hexanchus vitulus in the Caribbean coast of Guatemala
Authors: Avalos-Castillo Cristopher G. , Santana-Morales Omar , Becerril-García Edgar E. , Areano Elisa
Published: July 2020

The present study constitutes the first records and morphometry of Hexanchus vitulus on the Caribbean coast of Guatemala. A total of 10 Atlantic six-gill sharks were captured by artisanal fishers during 2015-2019, showing a sex ratio of 2.3:1 (males:females) and a total length that ranges 61-165 cm. Morphometric measurements are provided for future comparisons in other coastal regions. Recorded sharks corresponded mostly to sexually mature individuals, which differs from that reported for different areas of the Caribbean.
Pre-operative Cardiovascular Evaluation in elective Noncardiac Surgery, Risk Scores, and Managerial Insight for Patients with Different Cardiac Morbidities
Authors: Nasr Mireille , Kossaif Mikhael , Kossaify Antoine
Published: July 2020

Cardiac pre-operative evaluation must aim to estimate the perioperative cardiovascular risk, taking into consideration the individual clinical setting along with the type of surgery. Pre-operative assessment and management comprise evaluation of risk scores and the potential performance of some paraclinical tests to better prepare the patient for surgery. Pain management, adequate hydration, and thromboembolic prophylaxis constitute the main axis to decrease perioperative cardiovascular complications; moreover, the presence of previous cardiac conditions along with hypersympathetic activity is involved in a significant percentage of perioperative morbidity. Patients with minimal perioperative risk may not require systematically a cardiology consultation, whereas patients with moderate or high surgical risk often require a multidisciplinary approach for better perioperative management. The use of paraclinical tests to evaluate cardiac condition, such as cardiac biomarkers, echocardiogram, and other noninvasive or invasive cardiac testing, should be tailored on a case-by-case basis. Such professional practice aims to limit unnecessary healthcare expenses without compromising clinical outcome. Pre-operative surgical risk is not only based on cardiovascular condition but also on other factors and comorbidities such as diabetes, renal function, and functional status. In this regard, the role of the anesthesiologist is essential to evaluate the pre-operative risk (mild, moderate, or high), also to manage the whole perioperative period.
Plasma Warfarin Level and International Normalized Ratio do not Correlate with Bleeding Events in Indonesian Patients of Minangkabau Ethnicity with Atrial Fibrillation
Authors: Rahmatini Rahmatini , Aliska Gestina , Usman Elly , Yanni Mefri , Ilmiawati Cimi
Published: July 2020

BACKGROUND: Warfarin is the mainstay of anticoagulant therapy to prevent thromboembolism in atrial fibrillation (AF). It has a narrow therapeutic window, rendering monitoring prothrombin time necessary using the international normalized ratio (INR). However, INR value is not always correlated with the clinical risk of bleeding.
AIM: We aimed to monitor plasma warfarin concentration and to analyze its correlation with bleeding events in Indonesian patients of Minangkabau ethnicity with AF.
METHODS: We consecutively recruited outpatients with AF from January to November 2017 at a tertiary hospital in West Sumatera, Indonesia. At the time of the study, patients had received at least 5 weeks of warfarin. Their characteristics were obtained from medical records, and INR data were collected. Warfarin plasma concentration was analyzed using high-performance liquid chromatography.
RESULTS: There were a total of 45 patients (25 males and 20 females; mean age 54.6 years). The number of patients with INR value lower than, within, and higher than target value (2.0–3.0) was 25, 12, and 8, respectively. Half of the patients (n = 23; 51.1%) had subtherapeutic plasma warfarin levels and nearly half (n = 20; 44.4%) of the patients had therapeutic plasma warfarin levels. INR value was not significantly correlated with plasma warfarin level (r = 0.273; p = 0.07). Bleeding events occurred in 14 patients. INR value was not significantly different (p = 0.12), while the plasma warfarin level was marginally significantly different (p = 0.05) between those with bleeding and no bleeding events.
CONCLUSION: Neither warfarin plasma concentration nor INR was correlated with bleeding events in Indonesian patients of Minangkabau ethnicity with AF.
Role of TERT Gene in Relationship between Body Fat Percentage with the Modifiable Risk Factors of Cardiometabolic Disease in Minangkabau Premenopausal
Authors: Lestari Yuniar , Sulastri Delmi , Desmawati Desmawati
Published: July 2020

Background:
Cardiometabolic disease risk is increasing in the premenopausal phase of women life. This study aims to relationship body fat percentage with the modifiable risk factors of cardiometabolic disease in Minangkabau premenopausal people.
Methods: A cross-sectional study was conducted in 111 Minangkabau premenopausal people, aged 40 â€“ 55 years old at Padang City in West Sumatera, Indonesia. Body fat percentage analyzed by Bioelectrical Impedance Analyzer (BIA). Fasting blood glucose and lipid profile was examined from venous blood. Data were analyzed by using a Rank-Spearman correlation test with significant levels p<0.05.
Results:Average body fat percentage of subjects 36.23 Â± 6.9, fasting blood glucose 101.52 Â± 12.3 mg/dL; total cholesterol 193.99Â±41.5 mg/dL; triglyceride 113.76Â±37.9 mg/dL mg/dL; LDL-cholesterol 120.59Â±45.7 mg/dL and HDL-cholesterol 53.52Â±15.6 mg/dL. Body fat percentage has a significant correlation with triglyceride (r=0.368; p=0.001), and HDL-cholesterol levels (r=-0.307; p=0.006 ) just in subject with polymorphism, but does not have a significant correlation with another biomarker.
Conclusion: Body fat percentage correlates with triglyceride and HDL cholesterol in Minangkabau premenopausal women who have polymorphism of TERT Gene.
BACKGROUND: Cardiometabolic disease risk is increasing in the premenopausal phase of women life. The telomerase reverse transcriptase (TERT) gene is a gene that plays a role in protecting telomeres from progressive shortening. Telomere shortening is associated with the incidence of cardiometabolic disease.
AIM: This study aims to elucidate the relationship body fat percentage with the modifiable risk factors of cardiometabolic disease in Minangkabau premenopausal people.
METHODS: A cross-sectional study was conducted in 111 Minangkabau premenopausal people aged 40–55 years old at Padang City in West Sumatera, Indonesia. Body fat percentage analyzed by bioelectrical impedance analyzer. Fasting blood glucose and lipid profile were examined from venous blood. Polymorphism of the TERT rs2736098 gene was analyzed by a polymerase chain reaction. Data were analyzed using Spearman’s rank correlation test with significant levels p < 0.05.
RESULTS: Average body fat percentage of subjects was 36.23 ± 6.9, fasting blood glucose was 101.52 ± 12.3 mg/dL; total cholesterol was 193.99 ± 41.5 mg/dL; triglyceride was 113.76 ± 37.9 mg/dL; LDL-cholesterol was 120.59 ± 45.7 mg/dL and HDL-cholesterol was 53.52±15.6 mg/dL. Body fat percentage has a significant correlation with triglyceride (r = 0.368; p = 0.001) and HDL-cholesterol levels (r = −0.307; p = 0.006) just in subject with polymorphism but does not have a significant correlation with another biomarker.
CONCLUSION: Body fat percentage correlates with triglyceride and HDL cholesterol in Minangkabau premenopausal women who have polymorphism of TERT gene.
Screening and Characterization of the Antagonistic Properties of Microorganisms Isolated From Natural Sources
Authors: Le V. M. , Asyakina L. K. , Velichkovitch N. S. , Kozlova O. V. , Milentyeva I. S. , Pozdnyakova A. V., , Prosekov A. Y.
Published: July 2020

BACKGROUND: Human infectious diseases caused by antibiotic-resistant bacterial pathogens present a serious problem for clinical medicine. Causative agents of nosocomial infections, such as Escherichia coli, Klebsiella pneumoniae, Enterobacter spp., are the most common among them. An active search for antimicrobial agents that can effectively combat drugresistant pathogens is underway. Antimicrobial substances of bacterial origin are of particular interest. Promising sources of microorganisms with antibiotic properties are natural sources: Soil, water, plants, etc.
AIM: The purpose of this work is to screen and characterize the antagonistic properties of microorganisms isolated from natural sources in connection with the creation of new pharmaceutical substances.
METHODS: The material for the isolation of microorganisms was the soil, water bodies, and plant objects of various municipal districts of the Kemerovo Region. Identification of the isolated microorganisms was carried out using the methods proposed in the directory “Bergey’s Manual of Determinative Bacteriology” and in the monograph Nesterenko et al. The selection of strains from soil samples was carried out according to standard methods described in “Methods of soil microbiological control. Methodical recommendations,” cultural-morphological properties of isolates were studied using conventional microbiological methods.
RESULTS: The following results are obtained: (1) Lactic acid bacteria and other microorganisms antagonists from natural sources were isolated: Soil, water bodies, and plant objects; 20 isolates were isolated, their cultural and morphological properties were studied; isolated microorganisms were found to belong presumably to the genera Bacillus, Leuconostoc, Pedio-coccus, Lactobacillus, and Bacteroides; (2) Antimicrobial properties of lactic acid bacteria and other antagonistic microorganisms isolated from natural sources on solid and liquid nutrient media were studied; (3) 12 strains of 20 isolates with maximum antimicrobial properties were selected for further studies.
CONCLUSION: Further research on the biochemical properties of lactic acid bacteria and other antagonist microorganisms isolated from natural sources, the study of antibiotic resistance of lactic acid bacteria and other antagonist microorganisms isolated from natural sources, as well as other more detailed studies will be conducted with selected 12 strains with maximum antimicrobial properties.
Expression of Fibronectin and Tenascin after Direct Capping of the Pulp with Mineral Trioxide Aggregate and Biodentine®
Authors: Eftimoska Marina , Rendzova Vasilka , Apostolska Sonja , Elencevski Sasho , Ristovska Stevica , Pavlevska Meri , Filipovska-Micevska Vesna , Stefanovic Dusanka
Published: July 2020

BACKGROUND: Caries is a destructive process leading to progressive demineralization of the inorganic part of the tooth, accompanied by enzyme disintegration of the organic component of the tooth tissue. Considering the fact that caries activity can be stopped if the demineralization process is stopped, it is clear that the objectives of caries treatment are focused toward elimination of etiological factors and stimulation of regeneration of the dental tissues. That is why in the last years treatment of the caries disease is targeted to remineralization of the initial carious lesions, as well as on the biological behavior of the pulp-dentine complex after application of certain medications.
AIM: The aim of this study is to evaluate impact of the two materials for direct capping, mineral trioxide aggregate (MTA) and Biodentine®, on the expression of glycoproteins fibronectin (FN), and tenascin (TN), responsible for dentinogenesis.
METHODS: In the tests were used materials MTA and Biodentine, as agents for direct capping of pulp exposure. From 60 extracted teeth included in this in vitro study, tissue cuts were made. Each of them was then analyzed on a light microscope to determine the amount of two extracellular matrix glycoproteins, FN-C, and TN-C.
RESULTS: Our study show that there is an expressed immunoreactivity for FN and for TN in the fibronectin bridge under MTA and Biodentine® after 8, and even after 30 days of their application.
CONCLUSION: Based on this study, we can conclude that both materials – MTA and Biodentine – may induce reparative dentinogenesis, in which FN and TN have certainly a major role in the formation of the fibronectin matrix.
Parents’ Acceptance to Alveolar and Nasoalveolar Molding Appliances during Early Cleft Lip and Palate Care: A Call for High-Quality Research
Authors: Abd El-Ghafour Mohamed , Elkordy Sherif A. , Fayed Mona M. Salah , El-Beialy Amr Ragab , Eid Faten Hussein Kamel
Published: July 2020

AIM: Acceptance and compliance of the parents are an essential pillar in the success of pre-surgical infant orthopedic (PSIO) treatment. The aim of this systematic review is to evaluate the burden of care associated with the alveolar molding (AM) and nasoalveolar molding (NAM) appliances as experienced by the parents with unilateral complete cleft lip and palate (UCLP) infants.
METHODS: An electronic search was carried on by two reviewers in eight search engines, as well as a manual search till July 2019. Randomized controlled trials (RCTs) comparing AM/NAM appliances to controls in infants with UCLP were selected. Risk of bias was evaluated using Cochrane risk of bias assessment tool for RCTs.
RESULTS: One RCT was included in the qualitative analysis. Non-significant differences were found in the amount of mothers’ satisfaction between the intervention and control groups.
CONCLUSIONS: Insufficient low-quality evidence is available regarding the effects of AM and NAM on parents’ satisfaction and burden of care. No conclusions can be withdrawn from the existing studies. High-quality research is needed to elucidate the degree of parents’ acceptance to the molding appliances.
PROSPERO registration number: CRD42016043174.