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All Journal KOVALEN: Jurnal Riset Kimia Jurnal Penelitian Kesehatan Suara Forikes Pharma Xplore : Jurnal Sains dan Ilmu Farmasi Lumbung Farmasi : Jurnal Ilmu Kefarmasian Jurnal Bio-Geo Material Dan Energi Jurnal Sains dan Teknologi Prosiding Seminar Nasional Unimus Indonesian Journal of Science and Pharmacy Jurnal Bakti Nusantara E-Amal: Jurnal Pengabdian Kepada Masyarakat Sasambo: Jurnal Abdimas (Journal of Community Service) Jurnal Kesehatan Qamarul Huda
Sulwiyatul K Sani
Universitas Qamarul Huda Badaruddin Bagu
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Sosialisasi Penggunaan Workbook sebagai Bahan Ajar Pendukung pada Materi Zat Aditif dan Adiktif dalam Pembelajaran IPA Sani, Sulwiyatul Kamariyah; Pangestika, Inten; Mahmudha, Siti; Pratiwi, Pina Budiarti; Sapitri, Shally
Jurnal Bakti Nusantara Vol. 2 No. 3 (2025): Jurnal Bakti Nusantara
Publisher : Pustaka Media Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63763/jbn.v2i3.91

Abstract

Kegiatan sosialisasi penggunaan workbook sebagai bahan ajar pendukung pada materi zat aditif dan adiktif dalam pembelajaran IPA dilaksanakan di SMPN 28 Mukomuko dengan tujuan untuk meningkatkan pemahaman dan keterlibatan siswa dalam proses belajar. Materi zat aditif dan adiktif merupakan salah satu materi yang topik pengetahuannya terlalu luas sehingga membutuhkan pendekatan pembelajaran yang konstektual dan interaktif. Melalui kegiatan ini, siswa-siswi diperkenalkan pada penggunaan workbook yang disusun secara sistematis seperti materi yang spesifik, soal evaluasi yang menarik, serta kumpulan istilah-istilah sains yang dapat digunakan peserta didik sebagai bahan ajar pendukung. Hasil dari sosialisasi menunjukkan bahwa penggunaan workbook dapat mendorong siswa untuk lebih aktif, mandiri, dan kritis dalam memahami materi. Siswa memberikan respon positif terhadap format dan isi workbook, serta menunjukkan minat yang lebih tinggi dalam mengikuti proses pembelajaran yang dibuktikan dengan adanya peningkatan pemahaman siswa terkait materi zat aditif dan adiktif berdasarkan hasil pre-test dan post-test. Kegiatan ini diharapkan menjadi langkah awal dalam penerapan media pembelajaran yang lebih efektif dan dapat menarik minat belajar peserta didik serta dapat meningkatkan kualitas pembelajaran IPA di sekolah.
Pengaruh Variasi Konsentrasi Asam pada Pembuatan Bioetanol dari Buah Kumbi (Voacanga foetida (Bl.) ROLFE) melalui Proses Hidrolisis Sulwiyatul Kamariyah Sani
INSOLOGI: Jurnal Sains dan Teknologi Vol. 4 No. 4 (2025): Agustus 2025
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v4i4.5702

Abstract

Currently, the availability of petroleum and natural gas as non-renewable energy sources is steadily decreasing. One alternative energy source that can be developed for the future is bioethanol, as it is renewable and environmentally friendly. The kumbi fruit (Voacanga foetida (Bl.) ROLFE) is a potential raw material for bioethanol production due to its cellulose content, which can be converted into bioethanol. The objective of this study was to investigate the effect of acid concentration on the hydrolysis process in the production of bioethanol from kumbi fruit. In this study, hydrolysis was carried out using HCl at concentrations of 1%, 2%, 3%, 4%, and 5% (v/v) at 70°C for 90 minutes. To determine the reducing sugar content produced, the hydrolysate was analyzed using UV-Vis spectrophotometry. The hydrolysate was then fermented using baker's yeast containing Saccharomyces cerevisiae for 72 hours. The fermentation product was distilled at 78°C, and the obtained bioethanol was analyzed using GC-MS. The results showed that the highest reducing sugar concentration was obtained at 2% acid concentration, amounting to 7.18 g/L, while the highest crude bioethanol yield was 47.64%, achieved at 4% acid concentration with a reducing sugar content of 1.04 g/L.
Perbedaan Persepsi Pasien Tentang Mutu Pelayanan Sebelum dan Sesudah Akreditasi di Puskemas Praya Kabupaten Lombok Tengah Lalu, Sulaiman; Sastrawan, Sastrawan; Sani, Sulwiyatul Kamariyah; Tasim, Muslim
Jurnal Kesehatan Qamarul Huda Vol. 9 No. 1 (2021): Juni 2021
Publisher : Universitas Qamarul Huda Badaruddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37824/jkqh.v9i1.2021.241

Abstract

Akreditasi merupakan suatu upaya pemerintah untuk menjamin mutu pelayanan dalam hal ini yaitu pelayanan kesehatan. Pelayanan yang berkualitas bilamana pelayanan tersebut dapat memenuhi kebutuhan dan harapan pelanggan. Tidak hanya sampai disitu, pelayanan kesehatan yang berkualitas harus mampu mencegah terjadinya mal praktek (adverse event). Tujuan penelitian ini adalah untuk mengetahui apakah ada perbedaan persepsi pasien rawat jalan terhadap perbedaan mutu pelayaanan sebelum dan sesudah kegiatan akreditasi di Puskesmas Praya Kabupaten Lombok Tengah. Metode penelitian ini menggunakan metode kualitatif deskriptif dengan partisipan utama adalah pasien rawat jalan yang pernah berobat sebelum maupun sesudah akreditasi. Sedangkan partisipan (sasaran) antara adalah kepala dan para petugas yang ada di Puskesmas Praya. Hasil penelitian ini menunjukan ada perbedaan persepsi partisipan tentang penampilan fisik dan sarana yang ada di puskemas Praya. Dalam arti bahwa penampilan fisik dan sarana pelayanan yang tersedia jauh lebih baik setelah akreditasi. Kecepatan pelayanan jauh lebih cepat dengan waktu tunggu yang lebih singkat. Selain itu perilaku petugas dalam memberikan pelayanan serta kenyamanan pasien saat berobat jauh lebih baik dari pada sebelum akreditasi. Berdasarkan uraian diatas dapat disimpulkan bahwa mutu pelayanan kesehatan paska akreditasi jauh lebih baik dibandingkan dengan sebelum akreditasi. Diharapkan kepada kepala Puskesmas Praya dan jajarannya untuk mempertahankan mutu pelayanan kesehatan dengan menggunakan prinsip siklus PDCA.
XRD-Based Structural and Crystallite Size Analysis of Nano-MgO Prepared via Sol–gel Method Masriah, Imas; Lestari, Devi; Sani, Sulwiyatul Kamariyah; Pangestika, Inten; Miswanda, Dikki
KOVALEN: Jurnal Riset Kimia Vol. 11 No. 2 (2025): December Edition
Publisher : Chemistry Department, Mathematics and Natural Science Faculty, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/kovalen.2025.v11.i2.17909

Abstract

Nano-MgO was synthesized via a nitrate–citrate sol–gel combustion method, in which magnesium nitrate acted as the oxidizing precursor and citric acid served simultaneously as the chelating agent and organic fuel. The formation of a homogeneous Mg–citrate coordination network enabled controlled gelation, while the auto-combustion process produced a porous MgO matrix composed of ultrafine crystallites. Calcination at 800 °C promoted phase consolidation, removal of organic residues, and enhanced long-range atomic ordering. X-ray diffraction confirmed the exclusive formation of the cubic periclase phase (fm3m), with no detectable hydroxide or carbonate impurities. Crystallite size analysis yielded an average size of 16.03 nm based on the Scherrer equation, whereas the Williamson–Hall method produced a larger value of 25.44 nm with a microstrain of 5.37 × 10-4. indicating minimal lattice distortion. The discrepancy between the two size estimates reflects the contribution of microstrain effect not considered in the Scherrer approach. Overall, the synthesized nano-MgO exhibits high crystallinity, narrow crystallite size distribution, and excellent structural stability, highlighting its potential for catalytic, gas-sensing, and high-temperature functional applications. These results demonstrate that the sol–gel combustion method is an efficient and reliable strategy for producing nanocrystalline MgO with well-controlled structural characteristics.
Structural and Crystallographic Evolution of Nano-POFA using XRD-Based Crystallite Analysis Masriah, Imas; Lestari, Devi; Sani, Sulwiyatul Kamariyah; Pangestika, Inten; Miswanda, Dikki
Jurnal Bio-Geo Material Dan Energi Vol. 6 No. 2 (2026): Journal of Bio-Geo Material and Energy (BiGME), April 2026
Publisher : PUI BiGME Universitas Jambi

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Abstract

Palm oil fuel ash (POFA) is one of the main by-products of the palm oil industry, predominantly composed of silica (SiO2) and various other metal oxides. Nano-POFA (P1) was synthesized using a top-down approach via high-energy ball milling process at a rotational speed of 1300 rpm for 1 hour using 4 mm-diameter milling balls. The X-ray diffraction patterns revealed that the dominant crystalline phases were Quartz (SiO2) and Mullite (Al6Si2O13), accompanied by minor phases such as Cristobalite (SiO2), Hematit (Fe2O3), Calcite (CaCO3), CaO, and Al2O3. The XRD analysis results of samples P0 (without ball milling) and P1 (1 hour of ball milling) revealed a significant decrease in peak intensity and peak broadening after 1 hour of the milling process. This phenomenon indicates partial amorphization and crystal fragmentation. The average crystallite size decreased from 92.14 nm in sample P0 to 47.52 nm in sample P1. These results indicate that the high-energy ball milling process induces lattice distortion, structural disorder, and amorphization within the Si-O framework of the POFA. The Williamson-Hall analysis indicated an increase in microstrain from ԑ=3.38 x 10-3 to ԑ=1.227 x 10-2. The structural transformations increase surface defect density and reactivity, signifying nano-POFA’s potential as material heterogenous catalyst for related chemical processes
Co-Authors Adelia Yesya Putri Hasibuan Atri Sri Ulandari Aulia Fitri, Aulia Baiq Erna Devi Lestari Dikki Miswanda Dinda Sari Utami Eka Susilawati Eva Irawati Fitri, Raissa Gabena Indrayani Dalimunthe Haris Munandar Nasution Imas Masriah Lalu Hersika Asmawariza Lalu Muhammad Sadam Husen Lalu Sulaiman Lalu Sulaiman Lalu, Sulaiman Lubis, Minda Sari Menap Muslim Tasim Pangestika, Inten Pratiwi, Pina Budiarti Prisca Caesa Moneteringtyas Robi Febrian Sapitri, Shally Sastrawan, Sastrawan Siti Mahmudha Sulaiman Lalu Tasim, Muslim Vera Yulandasari Yayan Hardiansah Yuniarti, Rafita Zulmai Rani