scholarly journals Microbial Ecotoxicology As An Emerging Research Subject

2019 ◽  
Vol 4 (1) ◽  
Keyword(s):  
Research Subject ◽  
Microbial Ecotoxicology

Metode Dakwah Mauidzah Al-Hasanah untuk Meningkatkan Konsep Diri Siswa MTsN Model Palopo

2020 ◽  
Vol 8 (3) ◽  
pp. 289-304
Author(s):  
Mahmuddin Mahmuddin ◽  
Subekti Masri ◽  
Wahyuni Husain
Keyword(s):  
Research Design ◽  
Quantitative Methods ◽  
The Self ◽  
Self Concept ◽  
Research Subject

Tujuan penelitian untuk mengetahui efektivitas metode dakwah mauidzah al-hasanah untuk meningkatkan konsep diri siswa MTsN model Palopo. Penelitian dilakukan dengan metode kuantitatif dan desain penelitian one group pretest postest. Hasil penelitian ini menunjukkan adanya perubahan self-concept siswa Madrasah Tsanawiyah Negeri Model Palopo pada setiap subjek penelitian dan terjadi perubahan peningkatan self-concept siswa yang cukup bervariasi. Secara umum metode dakwan Mauidzah al-hasanah memberikan dampak terhadap self-concept siswa. Siswa memiliki konsep diri yang lebih baik setelah diberikan intervensi. Guru dan Konselor diharapkan mampu menfasilitasi siswa dalam memahami dan mengerti arti pentingnya self-concept untuk siswa sehingga mereka mampu menjalani hidup sesuai dengan konsep diri yang baik. The research objective was to determine the effectiveness of the method of proselytizing mauidzah al-hasanah to improve the self-concept of MTsN Palopo model students. The research was conducted using quantitative methods and one group pretest-posttest research design. This study's results indicate a change in the self-concept of students of Madrasah Tsanawiyah Negeri Palopo Model on each research subject, and there is a change in the increase in student self-concept, which is quite varied. In general, the Mauidzah al-hasanah dakwah method has an impact on students' self-concept. Students have a better self-concept after being given the intervention. Teachers and counselors are expected to facilitate students in understanding and understanding the importance of self-concept for students to live life by good self-concepts.

METODE DEMONSTRASI DAN LATIHAN GUNA MENINGKATKAN HASIL BELAJAR SKETSA PADA SISWA KELAS X DKV DI SMK NEGERI 9 MEDAN

2019 ◽  
Vol 8 (2) ◽  
pp. 435
Author(s):  
Lystia Nurhaliza Hasibuan ◽  
R. Triyanto ◽  
Raden Burhan ◽  
Mangatas Mangatas
Keyword(s):  
Action Research ◽  
Learning Outcomes ◽  
Research Method ◽  
Initial Conditions ◽  
Research Subject ◽  
Learning Method ◽  
Training Method ◽  
Classroom Action Research ◽  
Academic Year ◽  
And Training

AbstrakPenelitian ini dilaksanakan di SMK Negeri 9 Medan, Jenis penelitian yaitu Penelitian Tindakan Kelas. Subjek penelitian ini adalah siswa kelas X DKV 1 yang berjumlah 36 orang siswa terdiri dari 20 laki-laki dan 16 perempuan, Penelitian ini bertujuan untuk meningkatkan hasil belajar sketsa, melalui motode demonstrasi dan latihan. Berdasarkan hasil observasi awal yang di temukan oleh peneliti, masih rendahnya hasil belajar sketsa siswa. Peneliti melakukan pre test untuk mengetahui kondisi awal sebelum dilaksanakannya tindakan persiklus. Hasil pre test menunjukkan masih rendahnya ketuntasan belajar siswa, dari 36 orang siswa hanya 7 orang siswa (19,4%) yang tuntas dalam pembelajaran sketsa. Penelitian ini menggunakan motode pembelajaran demonstrasi dan latihan. Pada siklus I diperoleh 24 orang siswa (66,7%) yang tuntas dan 12 orang siswa (33,3%) yang tidak tuntas. Dengan begitu, peneliti melanjutkan ke siklus II dengan perolehan 35 orang siswa (97,2%) yang tuntas dan 1 orang siswa (2,8%) tidak tuntas dalam pembelajaran sketsa. Terdapat peningkatan dari siklus I ke siklus II sebesar 30,5%, maka peneliti tidak melanjutkan ke siklus berikutnya. Dengan demikian dapat disimpulkan bahwa penggunaan motode pembelajaran demonstrasi dan latihan dapat meningkatkan kemampuan belajar sketsa pada siswa kelas X DKV 1 di SMK Negeri 9 Medan Tahun Pembelajaran 2019/2020.Kata Kunci: hasil belajar, sketsa, demonstrasi, latihan.AbstractThis research was conducted at SMK Negeri 9 Medan. The research employs a classroom action research method. The research subject was the ten grade students of DKV 1 with a total of 36 students consist of 20 men and 16 women. This research aims to improve skectch learning outcomes through demonstration and training method. Based on the results of preliminary observations found by researcher, the researcher found the low student sketch learning outcomes. The researcher used a pre-test to determine the initial conditions before the pre-cycle action was carried out. The result of pre-test showed that students' learning completeness was still low. From 36 students only 7 students (19,4%) who complete in sketching learning. This research was taught by using demonstration and training learning method. In cycle I, there were 24 students (66,7%) was complete and 12 students (33,3%) was incomplete. Therefore, the researcher proceed to cycle II with the acquisition of 35 students (97,2%) was complete and 1 students (2,8%) was incomplete in sketch learning. There was increase from cycle I to cycle II of 30,5%, the researcher does not proceed to the next cycle. Thus, it can be concluded that the use of demonstration and training method can improve the ability in sketch learning of the ten grade students DKV I at SMK Negeri 9 Medan in the academic year 2019/2020. Keywords: learning outcomes, sketch, demonstration, training.

PENINGKATAN PROSES PEMBELAJARAN IPS MENGGUNAKAN MODEL MAKE A MATCH DI KELAS V SD NEGERI 21 PPA SOLOK

2020 ◽  
Author(s):  
Tria Yowanda Putri
Keyword(s):  
Social Studies ◽  
Student Learning ◽  
Learning Process ◽  
Fifth Grade ◽  
Research Subject ◽  
Class V ◽  
Qualitative And Quantitative ◽  
Match Model ◽  
Research Procedure ◽  
Improve Student Learning

The purpose of this study was to describe and increase in student learning process in social studies learning by using the Make a Match model in the fifth grade of elementary school. Types of this research was classroom action research with qualitative and quantitative approach. The research subject was 24 grade V students. The research procedure consistend of planning, implementing, observing, and reflecting. The result of the study showed and increase in aspects: (a) RPP cycle I with an average of 76,77% and cycle II 92,85%, (b) implementation on the aspect of the teacher cycle I with an average of 82,81% and the second cycle 87,50%, (c) implementation on the aspect of the students of the first cycle with an average 79,68% and cycle II 87,50%,. The conclusions from the result of the research conducted are using the Make a Match model can improve student learning process in social studies learning in class V SD Negeri 21 PPA Solok.

Trans-sialidase Associated with Atherosclerosis: Defining the Identity of a Key Enzyme Involved in the Pathology

2019 ◽  
Vol 20 (9) ◽  
pp. 938-941
Author(s):  
Victor Y. Glanz ◽  
Veronika A. Myasoedova ◽  
Andrey V. Grechko ◽  
Alexander N. Orekhov
Keyword(s):  
Acid Metabolism ◽  
Research Subject ◽  
Disease Pathogenesis ◽  
Sialidase Activity ◽  
Ph Values ◽  
Ldl Particles ◽  
Optimum Ph ◽  
Key Enzyme ◽  
St6gal I

Atherosclerosis is associated with the increased trans-sialidase activity, which can be detected in the blood plasma of atherosclerosis patients. The likely involvement in the disease pathogenesis made this activity an interesting research subject and the enzyme that may perform such activity was isolated and characterized in terms of substrate specificity and enzymatic properties. It was found that the enzyme has distinct optimum pH values, and its activity was enhanced by the presence of Ca2+ ions. Most importantly, the enzyme was able to cause atherogenic modification of lowdensity lipoprotein (LDL) particles in vitro. However, the identity of the discovered enzyme remained to be defined. Currently, sialyltransferases, mainly ST6Gal I, are regarded as major contributors to sialic acid metabolism in human blood. In this mini-review, we discuss the possibility that atherosclerosis- associated trans-sialidase does, in fact, belong to the sialyltransferases family.

Recent progress in marine mollusks from the South China Sea: chemical and ecological studies

2020 ◽  
Vol 17 ◽  
Author(s):  
Song-Wei Li ◽  
Yue-Wei Guo
Keyword(s):  
South China Sea ◽  
South China ◽  
Biological Activities ◽  
The South China Sea ◽  
Bioactive Metabolites ◽  
Research Subject ◽  
Ecological Studies ◽  
The South ◽  
China Sea ◽  
Marine Mollusks

: Marine mollusks are a prolific source of secondary metabolites with complex/diverse structures and various aspects of biological activities. For above mentioned reason, these animals have been being extensively explored and became the hotspot of research subject in the recent years. It is well documented that mollusks can escape from predation by utilizing bioactive metabolites as defensive chemicals. In the last decade, the possible diet relationship between the South China Sea mollusks and their related potential prey organisms, including sponges, corals, algae, etc. have been systematically investigated. A series of interesting results have been obtained concerning the chemistry, chemoecology and pharmacological profiles of the studied marine organisms. The present review focuses on recent development dealing with chemistry, chemoecology, and bioactivity of the South China Sea mollusks and their dietary organisms.

Study on the application and teaching strategy of multimedia technology in music teaching in colleges and universities

2021 ◽  
pp. 1-8
Author(s):  
Liu Ying ◽  
Li Jiaxuan
Keyword(s):  
Educational Technology ◽  
Teaching Strategy ◽  
Colleges And Universities ◽  
Classroom Design ◽  
Multimedia Technology ◽  
Traditional Teaching ◽  
Music Teaching ◽  
Research Subject ◽  
Teaching Technology ◽  
Specific Teaching

The development of teaching technology and the application of modern teaching means is one of the important standards of educational modernization. Multimedia technology is an important part and manifestation of the application of modern educational technology. Modern teaching means participate in music teaching, which bring vitality to the reform and development of traditional teaching. With the popularization of multimedia in music teaching, there are many problems in understanding and classroom design. Whether it is reasonable to use multimedia in music teaching is of great significance to perfect the theory of music teaching and standardize the construction of music subject. With music teaching in colleges and universities as the research subject, this paper analyzes the application and teaching strategies of multimedia technology in the music teaching in colleges and universities, which improves students in colleges and universities continuously in the new atmosphere of science and technology teaching and in combination with the specific teaching environment.

Listening Like a Computer: Attentional Tensions and Mechanized Care in Psychiatric Digital Phenotyping

2021 ◽  
pp. 016224392110263
Author(s):  
Beth M. Semel
Keyword(s):  
Speech Sound ◽  
Smartphone Application ◽  
Subject Position ◽  
Research Subject ◽  
Semantic Meaning ◽  
Team Members ◽  
Phone Calls ◽  
Digital Phenotyping ◽  
Human Research Subject ◽  
Audio Recordings

This article explores negotiations over the humanistic versus mechanized components of care through an ethnographic account of digital phenotyping research. I focus on a US-based team of psychiatric and engineering professionals assembling a smartphone application that they hope will analyze minute changes in the sounds of speech during phone calls to predict when a user with bipolar disorder will have a manic or depressive episode. Contrary to conventional depictions of psychiatry as essentially humanistic, the discourse surrounding digital phenotyping positions the machine as a necessary addition to mental health care precisely because of its more-than-human sensory, attentional capacities. The bipolar research team likewise portrays their app as capable of pinpointing sonic signs of mental illness that humans, too distracted by semantic meaning, otherwise ignore. Nevertheless, the team members tasked with processing the team’s data (audio recordings of human research subject speech) must craft and perform a selectively attentive machinic subject position, which they call “listening like a computer”: a paradoxical mode of attention (to speech sound) and inattention (to speech meaning). By tracing the team’s discursive and on-the-ground enactments of care and attention as both humanistic and machinic, I tune a critical ear to the posthuman promises of digital phenotyping.

Metamorphosis and Resurrection of Henrietta Lacks

2019 ◽  
Vol 20 (3) ◽  
pp. 251-260
Author(s):  
Dana Compton McCullough
Keyword(s):  
Research Subject ◽  
Biology Students ◽  
Theatrical Play ◽  
And Performance

In this article, I explore the unique affordances of narrative and performance in creating opportunities to linger with Henrietta Lacks. I first unpack the complexity of the story, as we know it, and tease out some of the significant themes. I focus on the metamorphic nature of Henrietta’s narrative and discuss her life, death, extinction and ressurection situated in racism. Without her knowledge, Henrietta Lacks became a research subject. Scientists erased her identity, wishing to conceal their own improprieties in taking her cells without permission. Although her identity was erased, Henrietta’s cells gained immortality before her physical death, and her story is now reiterated in the work of Skloot and other literature, as though the narrative performed a kind of resurrection. I discuss how cell science thrived in part through leveraging different kinds of erasure and resurrection. Then, drawing on my experiences as an educator exploring Lack’s story with grade 9 biology students, I present a theatrical play that weaves together students’ retelling of the story. I hope this article provides opportunities to linger and contemplate the power of science and its role in metamorphic nature-cultures.

scholarly journals Black spicules from a new interstitial opheliid polychaete Thoracophelia minuta sp. nov. (Annelida: Opheliidae)

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Naoto Jimi ◽  
Shinta Fujimoto ◽  
Mami Takehara ◽  
Satoshi Imura
Keyword(s):  
Developmental Biology ◽  
Phylogenetic Analysis ◽  
New Species ◽  
Morphological Diversity ◽  
The Body ◽  
Evolutionary Significance ◽  
Research Subject ◽  
Ecological Diversity ◽  
Coelomic Cavity ◽  
Molecular Phylogenetic

AbstractThe phylum Annelida exhibits high morphological diversity coupled with its extensive ecological diversity, and the process of its evolution has been an attractive research subject for many researchers. Its representatives are also extensively studied in fields of ecology and developmental biology and important in many other biology related disciplines. The study of biomineralisation is one of them. Some annelid groups are well known to form calcified tubes but other forms of biomineralisation are also known. Herein, we report a new interstitial annelid species with black spicules, Thoracophelia minuta sp. nov., from Yoichi, Hokkaido, Japan. Spicules are minute calcium carbonate inclusions found across the body and in this new species, numerous black rod-like inclusions of calcium-rich composition are distributed in the coelomic cavity. The new species can be distinguished from other known species of the genus by these conspicuous spicules, shape of branchiae and body formula. Further, the new species’ body size is apparently smaller than its congeners. Based on our molecular phylogenetic analysis using 18S and 28S sequences, we discuss the evolutionary significance of the new species’ spicules and also the species' progenetic origin.

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