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All Journal Jurnal Pendidikan Geografi Undiksha IDJP (Indonesian Journal of Pharmaceutics) Journal of Community Engagement Research for Sustainability JURNAL SAINS GEOGRAFI
Khairunnisa, Nada
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Humanities Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Nursing Public Health Other

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Solid Dispersion Powder of Sargassum cristaefolium extract by solvent evaporation technique Amalia, Eri; Khairunnisa, Nada; Aghnia Khairinisa, Miski; Gozali, Dolih
Indonesian Journal of Pharmaceutics Vol 6, Issue 2, May - August 2024
Publisher : Universitas Padjadjaran (Unpad)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/idjp.v6i2.60911

Abstract

Sargassum cristaefolium is one of 782 types of seaweed/macroalgae that grows in Indonesia and is known as one of the macroalgae with bioactive compounds having an important role in the development of nutraceuticals for disease prevention and health maintenance. Sargassum cristaefolium extract (SCE) is known for its various beneficial activities such as antimigraine by reducing levels of CGRP and inhibitor of tyrosinase activity in anti-melanogenetics. Nevertheless, due to its hygroscopic viscous extract consistency and fishy odor, a suitable formulation is required to prepare a powder form of SCE and thus could be applied in a suitable dosage form. Our current study aims to develop the extract into suitable powder raw material by applying a solid dispersion technique.  The solid dispersion of SCE was initially prepared by selecting suitable carrier agents such as Aerosil, Microcrystalline cellulose (MCC) PH 101, maltodextrin, and PVP K30 with the extract in a ratio of 1:1, and continued by the combination of the carrier agents. The best powder formula was characterized by its powder characteristic, solubility and powder flow was assessed by its angle of repose, Carr’s index and Hausner ratio.  The experiment results that the optimum formulation for solid dispersion of SCE was obtained by the combination of SCE:PVP: MCC at a ratio of 1:1:3 with a less fishy smell, and excellent powder properties. The composite mixture was estimated due to the formation of hydrogen bonds between the carbonyl group of PVP and the hydroxyl group of SCE’s compound and MCC. In conclusion, solid dispersion of SCE by employing a combination of PVP and MCC can be an alternative to prepared SCE powder with optimum humidity protection and good flowability thus suitable to proceed as solid dosage form.  Keywords: Sargassum cristaefolium, solid dispersion, PVP K30, Microcrystalline                      cellulose PH101 
Potensi Pengembangan Wisata Bahari Berbasis Ekosistem Mangrove di Pulau Pari, Kepulauan Seribu Jasmine, Kirana Aisha; Azra Salsabila, Amanda; Putri, Ivanya; Khairunnisa, Nada; Alifia, Najma; Tidiesya, Tsabita; Kusumawati, Lia
Jurnal Sains Geografi Vol 2 No 2 (2024): JURNAL SAINS GEOGRAFI
Publisher : Fakultas Ilmu Sosial dan Hukum, Universitas Negeri Jakarta

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Abstract

This study aims to analyzed the potential for mangrove ecosystem-based marine tourism development on Pari Island, Thousand Islands. The data collection methods used were ground check and primary survey and assessing the level of potential using the scoring method. Then, the formulation of mangrove ecosystem-based marine tourism area development was carried out using a qualitative descriptive approach. The results of this study indicate that the development of mangrove-based marine tourism that falls into the less potential category should focus on improving infrastructure, adding attractions, transportation, and managing the surrounding environment. While mangrove tourism areas with moderate potential focus on tourist attractions, cultural events, the addition and rejuvenation of bathroom facilities, restaurants, and souvenir shops, as well as environmental management. If mangrove ecosystem-based marine tourism can be developed, the economy of the people on Pari Island will also be helped and the culture and existence of Pari Island will be increasingly recognized by the outside community. Keywords: Potential, Marine Tourism, Mangrove
Penggunaan Citra Satelit Aqua/Terra MODIS untuk Pemetaan Suhu Permukaan Tanah di Kabupaten Bandung Tahun 2018-2022 Tidiesya, Tsabita; Khairunnisa, Nada; Jasmine, Kirana Aisha; Mataburu, Ilham Badaruddin; Hijrawadi, Sony Nugratama
Jurnal Pendidikan Geografi Undiksha Vol. 13 No. 2 (2025): Jurnal Pendidikan Geografi Undiksha
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jjpg.v13i2.89878

Abstract

Bandung Regency experiences significant dynamics of surface temperature change due to rapid development and land use change. This study aims to analyze the dynamics of Land Surface Temperature (LST) in Bandung Regency during the 2018-2022 period and identify the factors that influence it. The method used is the analysis of Modis Terra Land Surface Temperature and Emissivity 8-Day Global satellite image data using Google Earth Engine to produce average surface temperature distribution data presented in the form of graphs and temporal maps. The results showed surface temperature variations ranging from 18°C to 32°C, with distribution patterns influenced by topography and land cover. The mountain-dominated southern region has temperatures of 18-20°C, while the northern and northeastern regions reach 28-32°C. There is a seasonal pattern where the September-October period shows the highest temperatures, while June-July is relatively stable. Land conversion, which accounts for 34,327.48 hectares (49.25%) of total land change in the BMA, contributes significantly to surface temperature dynamics. It can be concluded that land cover change, infrastructure development activities, and topographic factors have a major influence on surface temperature variability in Bandung Regency, so that stricter spatial management and integrated afforestation programs are needed to mitigate the impact of increasing surface temperatures.
Pelatihan Peningkatan Kompetensi Bimbingan dan Konseling Untuk Guru SD di Kabupaten Bengkalis Rusandi, M. Arli; Yakub, Elni; Umari, Tri; Rahmansyah, Dedi; Syamsurizal, Muhammad; Darwis, Sajid Royhan; Salsabila, Ghina; Fauzi, Yoga Alwan; Nurzuraidah, Nurzuraidah; Khairunnisa, Nada; Putri, Navisa Syakila; Sudjono, Kirana Putri Livasya
Journal of Community Engagement Research for Sustainability Vol. 3 No. 1 (2023): Januari
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/cers.3.1.70-76

Abstract

Currently, the implementation of Guidance and Counseling in Elementary Schools is still not optimal, as evidenced by the absence of formation of Guidance and Counseling Teachers in Elementary Schools. The subject teacher or homeroom teacher is the spearhead for Guidance and Counseling activities in elementary schools. This community service activity aims to improve the competence of elementary school teachers in Bengkalis Regency so that they have broad insight regarding the implementation of guidance and counseling in elementary schools in order to improve the quality of guidance and counseling services so that the development of students in elementary schools becomes optimal in terms of aspects of the Physical-Aspects. Motor, cognitive, social, emotional, moral, and religious. The method used is brain storming, training-simulation and question and answer discussion. The evaluation was carried out by distributing a questionnaire on understanding and measuring the results of chronological assignments. 100% implementation of activities with full attendance of participants for 2 days of training. The increase in the competence of elementary school teachers after being given guidance and counseling training is 80%.
Co-Authors Aghnia Khairinisa, Miski Alifia, Najma Amalia, Eri Azra Salsabila, Amanda Darwis, Sajid Royhan DOLIH GOZALI Elni Yakub Fauzi, Yoga Alwan Ilham B. Mataburu Jasmine, Kirana Aisha Kusumawati, Lia M. Arli Rusandi Nurzuraidah, Nurzuraidah Putri, Ivanya Putri, Navisa Syakila Rahmansyah, Dedi Salsabila, Ghina Sony Nugratama Hijrawadi Sudjono, Kirana Putri Livasya Syamsurizal, Muhammad Tidiesya, Tsabita Tri Umari, Tri