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X-Ray Technology to Evaluate Mortality of Covid-19 Patients in Comorbid Diabetes Mellitus and Stroke Asmiati Amir; Muhammad Yunus; Muh Fachrul Latief; A Indra Wulan Sari Ramadani
Dewantara Journal of Technology Vol. 2 No. 1 (2021)
Publisher : Akademi Teknologi Industri Dewantara Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59563/djtech.v2i1.127

Abstract

Mortality evaluation of Covid-19 patients in comorbid diabetes mellitus and stroke using x-ray technology. Examining patients using an x-ray was carried out in the radiology room at one of the Covid-19 referral hospitals in Makassar. The patient data used is Covid-19 mortality data, namely January-June 2021. Diabetes mellitus and stroke comorbidities significantly affect the mortality of Covid-19 patients. Comorbid diabetes mellitus has a significant effect on the mortality of Covid-19 patients. The age group ≥ 61 years old is exposed to Covid-19 and has a high mortality rate.
Determination of Suitability Test on Digital Mammography Using Voltage Accuracy Parameter Fitriani Fitriani; Muhammad Yunus; Muh Fachrul Latief; A Indra Wulan Sari Ramadani; Meilan Demulawa; Haris Munandar; Muh. Nur Akbar
Dewantara Journal of Technology Vol. 1 No. 2 (2021)
Publisher : Akademi Teknologi Industri Dewantara Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59563/djtech.v1i2.134

Abstract

Determination of suitability test on digital mammography have been conducted from 2016-2018 at a hospital in Makassar City using voltage accuracy parameter. This measurement was used detector, and X-ray multimeter. Statistically, voltage accuracy parameter has correlation value, r = 0.866 (perfect correlation). While the p value obtained in voltage accuracy parameter is p < 0.05. There are significant differences in value from 2016-2018. The result of the suitability test for voltage accuracy parameter is still within the tolerance limit as recommended by the IAEA.
Compliance Test of X-Ray Beam Quality Using HVL Parameter on Digital Mammography Muhammad Yunus; Asmiati Amir; Mirnawati Mirnawati; Fitriani Fitriani; Siti Fatimah
Dewantara Journal of Technology Vol. 2 No. 2 (2022)
Publisher : Akademi Teknologi Industri Dewantara Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59563/djtech.v2i2.146

Abstract

The compliance test of X-ray beam quality using HVL parameter on digital mammography was determined at a hospital in Makassar in 2019-2021. This measurement uses a ruler, X-ray multimeter, and aluminum filter. The exposure process is carried out at certain kVp and mAs conditions after placing the detector on the examination table. The HVL test to determine the X-ray beam quality is carried out by placing the detector 4 cm from the edge of the chest wall on the patient's table in an upright position facing the tube. The resulting HVL values ​​are 0.37, 0.37, and 0.38. This study resulted in a p-value of 0.000 (p < 0.05). Statistically, there is a significant difference in HVL values ​​in 2019-2021. The resulting HVL value is by the tolerance limit recommended by the IAEA, which is 0.31 ≤ HVL ≤ 0.58. These values ​​indicate that mammography works well, and it is safe for the patient.
Pengaruh Penerapan Pembelajaran Model Ryleac Berbantuan PhET Terhadap Keterampilan Proses Sains Siswa Tirtawaty Abdjul; Nancy Katili; Septiana Kurniasari; Muhammad Yunus
Jurnal Penelitian Pendidikan IPA Vol 8 No 5 (2022): November
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i5.2235

Abstract

This study aims to determine the effect of applying the PhET-assisted Ryleac model of science learning tools on students' science process skills. The research method is a quasi-experimental design with a one-group pretest-posttest research design. The location of this research is at Junior High School, SMP Negeri Tangagah, in class VIII, Bolaang Uki District, Bolaang Mongondow Selatan Regency, in the 2021/2022 Academic Year. The sample in this study were students of class VIII types A and B. The researcher first validated the Ryleac model of science learning tools assisted by PhET by expert validators and obtained the overall results that the learning tools were very valid. The results of this study indicate that applying the Ryleac model of science learning tools assisted by PhET in learning can improve students' science process skills because students' learning activities are excellent during the learning process. Observation of students' science process skills during the learning process showed excellent results. All students' average responses positively responded to PhET-assisted Ryleac learning with an excellent category. The test results for science process skills showed that PhET-assisted Ryleac model learning could improve students' science process skills
Practicality of Guided Inquiry Learning Models Based on Critical Questions (Intersistatic) to Improve Students' Critical Thinking on Temperature and Heat Materials Citron S. Payu; Ismail Pakaya; I Made Hermanto; Irsan Irsan; Muhammad Yunus
Jurnal Ilmiah Profesi Pendidikan Vol. 8 No. 1 (2023): Februari
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jipp.v8i1.1082

Abstract

The guided inquiry learning model is a learning model that is built based on learning concepts and connecting several concepts in the subject. This study aims to determine the practicality of the guided inquiry learning model based on critical questions (intersistatic) to improve critical thinking. This research method uses the Four D development model to define, design, develop, and disseminate. At the dissemination stage, a practicality test was carried out. The instruments used to measure practicality are observation sheets of the implementation of learning and questionnaires on the responses of model teachers and students. The limited testing results from applying the guided inquiry learning model based on critical questions to improve critical thinking have a very good level of practicality. In addition, applying learning models can trigger students' critical thinking skills. Therefore, the guided inquiry learning model based on critical questions can be implemented in learning to improve students' critical thinking.
Development of Magnetic Digital Comics in Science Learning to Improve Student Learning Outcomes in Elementary Schools Lanto Mohamad Kamil Amali; Nova Elysia Ntobuo; Ritin Uloli; Yasin Mohamad; Muhammad Yunus
Jurnal Penelitian Pendidikan IPA Vol 9 No 2 (2023): February
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i2.2915

Abstract

This study aims to develop digital comics for learning magnetism in learning Science in Elementary Schools. This type of research is development research, which refers to the Four-D. The location of this research is at Kota Tengah 80 Public Elementary School, Bulangu Timur 1 Public Elementary School, and Telaga Biru 1 Public Elementary School. The results of the study show that digital comic magnets developed for science learning in elementary schools: (1) are categorized as valid and feasible; (2) Practically used, this is indicated by the very good response from students with a percentage of 90% in the limited trial class and 93.75% in the extended trial class. The implementation of learning in the limited trial class obtained an average percentage of 90.91%, while in the extended trial class it was 96.15%; (3) Effectiveness, indicated by good student activity with a percentage of 82% in both limited trial classes and extended trial classes, as well as student learning outcomes that are in very good criteria. Based on this, the digital comics magnet that has been developed is stated to be valid, practical and effective, so that it can be used in the science learning process in class V of elementary school
The Effect of Implementing the Android-Based Jire Collaborative Learning Model on Momentum and Impulse Materials to Improve Student Learning Outcomes Nova Elysia Ntobuo; Lanto Mohamad Kamil Amali; Dewi Diana Paramata; Muhammad Yunus
Jurnal Penelitian Pendidikan IPA Vol 9 No 2 (2023): February
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i2.2924

Abstract

This study aims to determine the effect of applying the android-based Jire collaborative learning model on momentum and impulse material to improve student learning outcomes. The research method is a quasi-experimental design with a one-group pretest-posttest research design. The research location at SMA Negeri 6 Gorontalo Utara for the 2021/2022 academic year used four research samples, namely class X IPA 1 as the experiment class and class X IPA 2, X IPA 3, and X IPA 4 as the replica class. This research begins with the preparation of learning tools that physics learning experts and learning media experts validate. The results of the validation show that the learning tools are valid and can be used in the learning process. The implementation of the learning process in this study is in the excellent category and can improve student learning outcomes. The N-Gain value for the experimental class and replica class is in the high category. Student responses to using the android-based Jire collaborative learning model show good and excellent categories. This shows that the Jire collaborative learning model can be used to improve student learning outcomes in physics learning
Kualitas Perangkat Pembelajaran Model Problem Based Learning dengan Pendekatan Contextual Teaching and Learning Trisnawaty Junus Buhungo; Supartin Supartin; Asri Arbie; Dewa Gede Eka Setiawan; Abdulrahman Djou; Muhammad Yunus
Jurnal Penelitian Pendidikan IPA Vol 9 No 3 (2023): March
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i3.3127

Abstract

The purpose of this study was to describe the quality of physics learning tools using the Problem-Based Learning model with the Contextual Teaching and Learning approach on the material of elasticity and Hooke's law. The research was conducted at Muhammadiyah Batudaa High School, and the research sample used was class XI IPA1 using simple random sampling technique. This development research uses Research and Development (R&D) research with the ADDIE development model developed by Reiser and Mollenda which consists of the Analysis, Design, Development, Implementation and Evaluation stages. The results of the study show that the validation of the entire learning device is stated to be very valid. The practicality of learning devices is determined by the average percentage of the implementation of learning carried out during two meetings reaching 97.61% with very good criteria, then for teacher and student responses through questionnaires give positive responses. The effectiveness of learning devices is seen through student activity data which obtains an average percentage of 90.30% obtained very good criteria and student learning outcomes data on elasticity and Hooke's law show an increase in the N-gain value of 0.74 included in the high N-gain criteria. This study concludes that physics learning tools that use the Problem-Based Learning model with a Contextual Teaching and Learning approach on elasticity and Hooke's law are included in the valid, practical and effective criteria to be applied in the learning process in class.
The Influence of Inquiry-Based Learning Model on Scientific Literacy in the Rotational Dynamics of a Rigid Bodies Dewa Gede Eka Setiawan; Asri Arbie; Anisa Fauzia; Trisnawaty Junus Buhungo; Supartin Supartin; Citron S. Payu; Muhammad Yunus
Jurnal Penelitian Pendidikan IPA Vol 9 No 3 (2023): March
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i3.3249

Abstract

This study aims to determine the influence of the Inquiry-Based Learning model on students' scientific ability in Rotational Dynamics of a Rigid Bodies. This influence is seen from whether or not students can achieve the criteria of completeness by mastering three PISA (Program for International Student Assessment) indicators in 10 items on the test consisting of two questions to identify scientific problems, five question to explain phenomena scientifically, and three questions to interpret data and scientific evidence. The research method applied is the experimental method and uses the One Group Pretest-Posttest Design as a research design involving 4 classes, where 1 class acts as the experimental class and 3 classes as the replication class. Based on the statistical results of the t-test to test the research hypothesis, the t-count value for each sample class is greater than the t-table value. This shows that the use of the Inquiry-Based Learning learning model has an effect on students' scientific literacy abilities in the rotational dynamics of a rigid bodies
Imperfection method based on optical fiber for alcohol content detection sensor Muhammad Yunus; Syahdad Aziz; Bunga Tang; Yusuf H. Usman; Irsan Irsan; Septiana Kurniasari
Jurnal Pijar Mipa Vol. 18 No. 2 (2023): March 2023
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v18i2.4605

Abstract

Testing of optical fiber-based sensors using the imperfection method to detect alcohol contents. The sample results from mixing alcohol and distilled water to produce eight samples with an alcohol content level from 0% to 70%. The greater alcohol content causes the output power of the sensor to decrease due to the increase in the refractive index of alcohol content around the sensor. An increase in the refractive index of alcohol content causes power losses to increase, resulting in lost light intensity being transmitted in optical fiber-based sensors. Power losses are increasing to produce the best characteristics of the sensor. The best sensor is shown in the Gamma configuration at imperfection 3 with a sensitivity value of 0.346 µW/%. The imperfection method is suitable for determining the characteristics of optical fiber-based alcohol detection sensors because it has a high sensitivity.