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All Journal JPMS (Jurnal Pendidikan Matematika dan Sains) Prima Aplikasi dan Rekayasa dalam Bidang Iptek Nuklir Jurnal Sains dan Teknologi Nuklir Indonesia (Indonesian Journal of Nuclear Science and Technology) Jurnal Pengajaran MIPA EDUSAINS Bulletin of Electrical Engineering and Informatics Jurnal Penelitian Pendidikan Matematika dan Sains Tadris: Jurnal keguruan dan Ilmu Tarbiyah Jurnal Pengajaran Matematika dan Ilmu Pengetahuan Alam Fibusi (Jurnal Online Fisika) Jurnal Sains dan Teknologi Kimia Jurnal Riset dan Praktik Pendidikan Kimia Prosiding Pendidikan Sains Journal of Mathematical and Fundamental Sciences JURNAL INTEGRASI PROSES JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI EduChemia: Jurnal Kimia dan Pendidikan Jurnal Penelitian dan Pembelajaran IPA Indonesian Journal of Science and Technology QUANTUM: Jurnal Inovasi Pendidikan Sains Berkala Ilmiah Pendidikan Fisika Jurnal Tadris Kimiya Jurnal Penelitian Pendidikan Kimia Jurnal Zarah Unnes Science Education Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Journal of Science Learning JTERA (Jurnal Teknologi Rekayasa) JURNAL EKSAKTA PENDIDIKAN (JEP) COMPTON: Jurnal Ilmiah Pendidikan Fisika PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Jurnal Teknologi Informasi dan Pendidikan Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Journal of Tropical Chemistry Research and Education ABDI MOESTOPO: Jurnal Pengabdian pada Masyarakat Journal La Edusci Jurnal Valuasi : Jurnal Ilmiah Ilmu Manajemen dan Kewirausahaan Asean Journal of Science and Engineering (AJSE) Indonesian Journal of Teaching in Science Paradigma: Jurnal Ilmu Pendidikan dan Humaniora Jurnal Ilmu Akuntansi dan Bisnis Syariah (AKSY) Jurnal Sosiologi Pertanian dan Agribisnis Journal of Advanced Sciences and Mathematics Education PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Indonesian Journal Of Educational Research and Review Journal of Educational Sciences Likuid: Jurnal Ekonomi Industri Halal Jurnal Ilmu Pendidikan dan Pembelajaran Indonesian Journal of Classroom Action Research (IJCAR) Neraca: Jurnal Ekonomi, Manajemen dan Akuntansi Jurnal Pengabdian Isola Future Space: Studies in Geo-Education Wahana Fisika : Jurnal Fisika dan Terapannya LOBI: Jurnal Ekonomi, Manajemen, Bisnis Islam Al-Qolamuna : Journal Komunikasi dan Penyiaran Islam Jurnal Ilmiah Manajemen dan Kewirausahaan JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Universal Education Journal of Teaching and Learning Symbiohealth
Ahmad Aminudin
Universitas Pendidikan Indonesia
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Journal : Indonesian Journal of Science and Technology

 1 
Zinc Oxide Nanoparticles for Enhancing Students’ View of the Nature of Science and Technology Priyand, Elza Rachman Panca; Sukmafitri, Ajeng; Mudzakir, Ahmad; Nandiyanto, Asep Bayu Dani; Nugraha, Willy Cahya; Ramdhani, Wahyu
Indonesian Journal of Science and Technology Vol 5, No 1 (2020): IJOST: VOLUME 5, ISSUE 1, 2020
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/ijost.v5i1.22806

Abstract

This study aims to evaluate zinc oxide (ZnO) nanoparticles as a learning media to enhance students' understanding of View of Nature of Science and Technology (VNOST). The method used in this study: (i) understanding how to synthesize ZnO nanoparticles using a liquid-phase synthesis; (ii) implementation of ZnO nanoparticles to students and analysis their comprehension using Transcript Based Lesson Analysis (TBLA) on the Learning Video Recording and Adaptation Learning Transcript VNOST questionnaire, which is linked to the implementation and pattern of knowledge construction; and (iii) descriptive qualitative analysis to analyze the understanding of VNOST for each Category (Naïve, Has Merit and Realist). To support this study, several analyses were done, such as a scanning electron microscope and X-ray diffraction to characterize ZnO nanoparticles’ morphology and crystal structure, respectively, prior to giving this material for further learning to students. Experimental results showed that the use of ZnO nanoparticles is effective to improve the student comprehension. The understanding in the principle of nucleation and growth can be explained well since the reaction of ZnO is relatively fast. Students became more serious in listening during the learning process and more curious to study science and technology. Based on a comparative analysis of the initial and final ability of VNOST, it is proved that there was a change in students' views related to science and technology.
A Design and performance analysis of a telemetry system for remote monitoring of turbidity of water during the COVID-19 pandemic Hasanah, Lilik; Hakim, Wahyu Luqmanul; Aminudin, Ahmad; Sahari, Siti Kudnie; Mulyanti, Budi
Indonesian Journal of Science and Technology Vol 5, No 2 (2020): IJOST: VOLUME 5, ISSUE 2, 2020
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/ijost.v5i2.24705

Abstract

A turbidity telemetry system for COVID-19 pandemic situations using nRF24L01+transceiver and SEN0189 water turbidity sensor-based microcontroller has been successfuly  developed.. The method used to characterize the sensor is by comparing sensor output voltages with the value of water turbidity. Turbid water used was created by adding distilled water with a concentration of sediment obtained from the filtered sediment with less than 60 μm in diameter. Data transmission performance for various transmit power was done by calculating the error percentages by comparing the number of messages sent by transmitter and received by receiver. The transmit power settings were 0, -6, -12, and 18 dBm and variations in the distance of data transmission from 10 to 80 m. The test results show that the water turbidity sensor has a good measurement range in measuring turbidity of water from 1.873 to 3500 NTU. Higher concentrations of sediment and turbidity of the water made the sensor output voltage decrease. There was a decrease in output voltage in the value, namely -0.0006 in turbidity sensor sensitivity. The results also show an increase in error percentages as the distance of data transmission increases, while the bigger the transmit power is used for data transmission, the smaller the percentage of errors occurs.
Oil Palm Empty Fruit Bunch Waste Pretreatment with Benzotriazolium-Based Ionic Liquids for Cellulose Conversion to Glucose: Experiments with Computational Bibliometric Analysis Ahmad Mudzakir; Karina Mulya Rizky; Heli Siti Halimatul Munawaroh; Dhesy Puspitasari
Indonesian Journal of Science and Technology Vol 7, No 2 (2022): IJOST: VOLUME 7, ISSUE 2, September 2022
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/ijost.v7i2.50800

Abstract

This study aims to utilize benzotriazolium salt-ionic liquids (ILs) as solvents in the oil palm empty fruit bunch (EFB) waste pretreatment along with bibliometric analysis using VOSviewer. Three ILs have been synthesized and tested as EFB solvents by a microwave-heating method. Those are organic salts of 1,3-methyl-octyl-1,2,3-benzotriazolium ([MOBzt]+) cation with three kinds of anions such as bromide ([Br]-), acetate ([CH3COO]-), and thiocyanate ([SCN]-). The bibliometric analysis showed that new research needs to be conducted to improve the development of research relating to biomass pretreatment. The highest solubility of EFB is in [MOBzt]CH3COO is about 7,5% w/w. The effect of anions on the ability to dissolve EFB is CH3COO-SCN-Br-. When subject to ILs pretreatment, EFB exhibited increased cellulose crystallinity, changed in the structure of cellulose I to cellulose II, reduced particle size, and decreased lignin content compared to untreated one, improving the glucose yield from enzymatic hydrolysis. The highest glucose yield (1,237 mg/mL) was obtained when the EFB was pretreated by [MOBzt]CH3COO with enzymatic hydrolysis for 24 hours. This research is expected to contribute to the development of new biomass pretreatment methods.
Co-Authors - Wiendartun Abidin, Muhamad Achmad Samsudin Achmad Suntoro Adam Nugraha Adelita, Gisela Aditya Rakhmawan, Aditya Aditya, Raldy Adnan Ardiansyah Afa, Aghnia Nadhira Afifah, Sakhiyyah Agus Kamaludin, Agus Agus Setiabudi Ahmad Sanusi Almadaniy, Hanif Alta Ridho Anugrah Ambran Hartono AMIN FATONI Anas Santria Anceu Murniati Andhy Setiawan Andhy Setiawan Anna Kurnia Illahi Anna Permanasari Apip Farid Mustapa Ardi Rizkia Ferahenki Ardiansyah, Adnan Arif Hidayat Aris Ramdhani Asep B.D. Nandiyanto Asep Bayu Dani Nandiyanto Asep Kadarohman Asep Kadarohman Asep Supriatna Asep Supriatna, Asep Asniar Asniar Astuti, Desi Silvia Atep Rian Nurhadi Aulia Rahim Aulia, Aldini Azmairit Aziz Babang Robandi Budi Mulyanti Budiman Anwar Budiman, Jovi Yuzzer Cecep Jaenudin Cecep Kusmana Chandra Wulandari Cuk Imawan Cuyun Suslianti Dadan Hermawan, Dadan Danawan, Agus Dani Gustaman Syarif Daryono Hadi Tjahyono Depi, Siska Sintia Desi Silvia Astuti Devi Bentia Effendi Deviana Diah Probowati Dhesy Puspitasari Dian Mustikasari Duyeh Setiawan Dwi Ayu Rahmawati Dwi Harjono E. Suhendi Edi Sanjaya Eka Pawinanto, Roer Eliya wati Endi Suhendi Fadhilah, Anita Fajar Arif Permata, Fajar Arif Fanny Nurul Annisa Fauzi, Billy Oktora Abdillah Fauziah, Andi Fazarwati, Reza Febrizal Ujang Ferahenki, Ardi Rizkia Fitri Khoerunnisa Florida Doloksaribu Fransiska Sudargo, Fransiska Freddy Haryanto Fuji Ilyadi Fuzi Hasanah Iskandar Galuh Rahmawati Galuh Yuliani Gisela Adelita Gozali, Haris Habibulloh, Rijal Hafidh, Ashary Fathul Harry Firman Hayat Sholihin Heli Siti Halimatul Hernani HERNANI - Hernani Hernani Hidayat, Lina Nurlina Hikmat Hikmat Hikmat Hikmat, Hikmat Hilman Syaeful Alam Hisan, Linda Khoirotun Husna, Nisyya Syarifatul Ibrohim, Maulana Ida Hamidah Ida Hamidah Ina Yulianti Indah Sari Indrayani Rambe, Seprina Iqbal Musthapa Irmawati Irmawati Iwan Setiawan Judhistira Aria Utama Jumril Yunas, Jumril Juniastel. R Karina Mulya Rizky Kartini Kartikasari, Kartini Khairurrijal Khairurrijal Kisworo, Banu Kurniasih, Lutfi Lafita Kaova Azyedara Liliasari Liliasari , Liliasari Liliasari Lilik Hasanah Lina Yulianti Luh Putu Ratna Sundari Lukman Hadi Lukman Hadi Luqmanul Hakim Lutfiani, Silvia maharani savitri Maqruf, Ahmad Maulida, Fanny Mauludin, Taufik Syah Mimin Iryanti Mitra Djamal Mitra Djamal Mochammad Imron Awalludin Moh Riduan Moh. Yusuf Dawud Momo Rosbiono Muhamad Basit Febrian Muhammad A. Fadhlulloh Muhammad Abqori Fadhlulloh Muhammad Wildan Mulyati Arifin Mumu Komaro Muyassaroh, Anis Nada Sadidah Naftalia Trivenia Simbolon Nahadi Nanang Dwi Ardi Naufal Al-Hakim Nina Adriani Nurhadi, Atep Rian Nurjanah, Widia Linta Nurjannah Nurjannah Nurlita, Andreny Dwi Nursaadah, Euis NURSAADAH, SITI KOMALA Nurul Huda Rosyid Oczhinvia Dwitasari Parlindungan Sinaga Permatasari, R Tiara Prasika Dharma Yoga, Prasika Dharma Priyand, Elza Rachman Panca Putri, Maritza Zahwa Arinditya Ragadhita, Risti Rahayu Maulani, Rijanti Rakhmawan, Aditya Ramdhani, Aris Ramdhani, Wahyu Ramdhania, Lathifa Nur Ramli Ramli Rian Adi Putra, Rian Adi Rifqi Md Zain, Ahmad Rizky, Karina Mulya Robby Kurnia Roer Eka Pawinanto, Roer Eka Rony Djokorayono Saeful Anwar Saeful Karim Sahari, Siti Kudnie Santria, Anas Septian Jauhariansyah Setiabudi, Agus Setyo Nugroho, Harbi Siti Aisyah Siti Kudnie Sahari Siti Sriyati Soja Siti Fatimah Sophan Himawan, Irfan Sri Wahyuni Sriyati , Siti Suci Rizki NA Sugandi, Gandi Suhendi Suhendi Sukmafitri, Ajeng Suprijadi Suprijadi Suprijadi Suprijadi Suteja Wira Dana Kusuma Tanjung, Nur Fatma Taufik Rahman Titen Pinasti Triannisa Rahmawati Tuszie Widhiyanti UMAR, RISNAWATI Usep Setia Gunawan Waslaluddin Waslaluddin MT Waslaluddin Waslaluddin Widiawati Widyaningrum Indrasari Widyaningsih, Mia Wiji Adji Willy Cahya Nugraha, Willy Cahya Winny Liliawati Wulandari, Chandra Yanuar Setiadi Yanuar Setiadi Yaya Sonjaya Yayan Sunarya Yuli Rahmawati Yulita, Inelda yulius lumban tobing Yusmaita, Eka Yuyu Rachmat Tayubi