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All Journal Metta: Jurnal Penelitian Multidisiplin Ilmu Journal of Innovative and Creativity ENDLESS : International Journal of Future Studies
Agusliana, Sari
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Religion Economics, Econometrics & Finance Education Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Social Sciences Other

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Proses Produksi Katalis NaOH/CaO/y-Al²O³ dengan Metode Impregnasi untuk Pembuatan Biodiesel Agusliana, Sari
Jurnal Penelitian Multidisiplin Ilmu Vol 3 No 2 (2024): Agustus 2024
Publisher : Melati Institute

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Abstract

Utilization of Eggshell Catalyst in the Preparation of Biodiesel from Coconut Oil .The decline in petroleum reserves in the world from year to year has decreased, which has an impact on increasing prices for fossil fuels and their derivatives. Eggshell waste from controlled combustion at high temperatures will produce chemical compounds, one of which is CaO, which can be utilized for various chemical processes including as a catalyst. The purpose of this study was to determine the effect of NaOH/CaO/?-Al2O3 catalyst on the acquisition of biodiesel. The production of biodiesel using NaOH/CaO/?-Al2O3 solid catalyst was produced by impregnation method using a furnace at 900°C for 6 hours.
Assessing Community Participation in Environmental Greening Initiatives Agusliana, Sari; Hasanuddin, Hasanuddin; Ilham, Andi Muhammad; Pakanan, Janny Jovita
Journal of Innovative and Creativity Vol. 5 No. 2 (2025)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joecy.v5i2.3492

Abstract

This study examines the antioxidant potential of three plants used by the people of Rote Ndao in skin care, namely Puteh Wood (Alstonia scholaris), Kesambi (Schleichera oleosa), and Moringa (Moringa oleifera). The background of the study was based on skin aging triggered by oxidative stress due to free radicals. The research objectives were to identify active phytochemical compounds, formulate the three extracts into creams, and analyze their potential synergism and antioxidant activity in a descriptive-exploratory manner. Extraction using 70% ethanol was carried out by maceration method, while phytochemical identification was applied by color reaction and precipitation tests for alkaloids, flavonoids, tannins, saponins, terpenoids, and steroids. Vanishing cream-based cream formulation was successfully made with good physical characteristics, namely homogeneous, pH 6.8, and spreadability of 5.7 cm. Qualitative antioxidant activity test using DPPH method showed a rapid change of DPPH purple color to pale yellow in mixed extracts and creams, indicating stronger antioxidant activity than single extracts. The results indicate the presence of potential antioxidant compounds in all three plants and an indication of synergistic effects between extracts that may come from the interaction of different classes of phytochemical compounds. These findings provide an important basis for more in-depth quantitative studies in the development of natural ingredient-based antioxidant products. Keywords: Anti-aging, Phytochemical, Cream, Polyherbal, Synergism, Qualitative, Rote Ndao, DPHH
Spatial Evaluation of Ambient Air Quality in Dobut Village, Manokwari Mamede, Marlia; Hatibie, Rizka Wahyuni; Hasanuddin; Agusliana, Sari; Kurniati HM, Ary Herlina
ENDLESS: INTERNATIONAL JOURNAL OF FUTURE STUDIES Vol. 9 No. 1 (2026): ENDLESS: International Journal of Future Studies
Publisher : Global Writing Academica Researching & Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54783/endlessjournal.v9i1.367

Abstract

Evaluation of ambient air quality conditions in Dobut Village, Manokwari, through a spatial approach based on 12 monitoring points. The parameters measured in this study consisted of PM₂.₅, NO₂, and SO₂ during the dry season. The data analysis used the Inverse Distance Weighting (IDW) interpolation method. The existing results show that most areas of Dobut Village have air quality in the "good - moderate" category, but there are several points with PM₂.₅, NO₂, and SO₂ concentrations within the threshold approaching the WHO limit, namely around the industrial center area located in the suburban location. This study emphasizes the importance of spatial-based air quality monitoring in rural areas that are starting to develop in mobility and infrastructure. The measurement results show that the suburban zone has higher PM₂.₅, NO₂, and SO₂ concentrations than the urban area. This is a comparison that has been the general assumption that suburban areas are cleaner. This area has a higher concentration due to industrial activities and vehicle activities by residents and industrial workers in Dobut Village so that the area becomes unclean.
Co-Authors Hasanuddin Hasanuddin Hasanuddin Hatibie, Rizka Wahyuni Ilham, Andi Muhammad Kurniati HM, Ary Herlina Mamede, Marlia Pakanan, Janny Jovita