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All Journal Jurna Beta Kimia Indonesian Journal of Science and Pharmacy Jurnal Bakti Nusantara Jurnal Polimesin
Hasibuan, Adelia Yesya Putri
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Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Economics, Econometrics & Finance Education Engineering Immunology & microbiology Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Other

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Upaya Peningkatan Literasi Bahan Tambahan Pangan dalam Jajanan Kemasan melalui Sosialisasi Interaktif Hasibuan, Adelia Yesya Putri; Moneteringtyas, Prisca Caesa; Tarigan, Ayu Syufiatun Br; Rahmat, Nahzim
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.v2i3.92

Abstract

Rendahnya kesadaran masyarakat terhadap bahan tambahan pangan dan zat kimia dalam jajanan kemasan dapat menimbulkan risiko kesehatan, khususnya di kalangan anak-anak dan orang tua di wilayah pedesaan. Program pengabdian kepada masyarakat ini bertujuan untuk meningkatkan literasi kimia pangan melalui kegiatan sosialisasi edukatif yang interaktif. Kegiatan ini dilaksanakan di Desa Bagan Serdang, Kecamatan Pantai Labu, Kabupaten Deli Serdang, Provinsi Sumatera Utara. Dengan menggunakan pendekatan riset tindakan, dilakukan tes awal dan tes akhir untuk mengevaluasi efektivitas intervensi. Hasil evaluasi menunjukkan adanya peningkatan signifikan dalam tingkat pengetahuan peserta, di mana hampir seluruh peserta memperoleh skor tertinggi pada tes akhir. Tingkat pemahaman tinggi dapat dilihat pada tes akhir yang mencapai 100% yaitu terdapat pada soal nomor 1, 2, 4, 5, 7, dan 9, sedangkan yang tidak mencapai 100%, hanya terdapat pada soal nomor 3 (86,70%), nomor 6 (73,33%), nomor 8 (80%), dan nomor 10 (93,30%). Sosialisasi interaktif telah berhasil meningkatkan pemahaman mitra tentang bahan tambahan pangan dalam jajanan kemasan.
XRD Characterization and Structural Insights of Activated Carbon-ZnO Composite for Potential Photocatalytic Applications Lestari, Devi; Masriah, Imas; Hasibuan, Adelia Yesya Putri; Pratiwi, Pina Budiarti
Jurnal Beta Kimia Vol 5 No 2 (2025): Volume 5 Issue 2, November 2025
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/jbk.v5i2.25811

Abstract

This study presents a structural characterization of an activated carbon-ZnO (AC/ZnO) composite synthesized via a simple sol-gel route using activated carbon derived from oil palm empty fruit bunches (OPEFB), introducing a sustainable biomass based carbon source as a functional photocatalytic support. X-ray diffraction (XRD) analysis revealed sharp diffraction peaks corresponding to the wurtzite ZnO phase, together with a broad amorphous carbon halo, confirming the successful incorporation of crystalline ZnO within the carbon matrix. Microstructural parameters, including crystallite size, lattice strain, and dislocation density, indicate nanoscale structural ordering accompanied by beneficial defect sites that promote charge trapping. Structural interpretation was further validated through Rietveld refinement, which confirmed a single-phase ZnO structure with good fitting quality, demonstrating the structural stability and compatibility of ZnO within the carbon framework. Photocatalytic evaluation using methylene blue showed a higher removal efficiency under natural sunlight (95%) compared to dark adsorption (85%), evidencing a synergistic adsorption-photocatalysis mechanism. The novelty of this work lies in integrating low temperature sol–gel synthesis, waste derived activated carbon, and XRD based microstrain and refinement analyses to establish a clear structure–function relationship in AC/ZnO composites. These findings highlight the practical potential of this material as a low cost, scalable, and solar responsive photocatalyst for sustainable wastewater treatment applications, particularly in resource limited and tropical regions.
Optimisation of biolubricant synthesis from castor–maggot oil mixture via two-stage transesterification using response surface methodology Mukhriza, Teuku; Hasibuan, Adelia Yesya Putri; Juwita, Erna; Husin, Husni; Silitonga, Arridina Susan
Jurnal Polimesin Vol 24, No 1 (2026): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v24i1.8376

Abstract

This study investigates the optimisation and characterisation of a biolubricant produced from a castor–maggot oil mixture via two-stage transesterification. Response surface methodology using a Box–Behnken design was employed to optimise the oil volume ratio, catalyst concentration, and reaction time. The optimum conditions were a castor oil–maggot oil ratio of 50% (v/v), a catalyst concentration of 1% (w/w), and a reaction time of 2 h, resulting in a biolubricant yield of 71.43%. Ethylene vinyl acetate and ethyl-cellulose were added to enhance stability and performance. The biolubricant exhibited a viscosity index of 101.88, kinematic viscosity at 40°C of 54.57 cSt, and a flash point of 235°C, complying with ISO VG 68 and SNI 7069.9:2016 standards. These performance characteristics demonstrate favourable viscosity–temperature behaviour, adequate thermal safety, and suitability for industrial lubrication systems. The integration of mixed vegetable–insect oil feedstocks with Response Surface Methodology (RSM)–Box–Behnken optimisation, together with the incorporation of performance-enhancing additives, resulted in a biodegradable, non-toxic, and environmentally friendly biolubricant that meets standard requirements and shows strong potential as a sustainable alternative to petroleum-based lubricants for mechanical applications.
Modification of Durian Peel-Based Activated Carbon with Silver Nanoparticles for Enhanced Antibacterial Properties: A Literature Review Pratiwi, Pina Budiarti; Tarigan, Ayu Syufiatun Br; Hasibuan, Adelia Yesya Putri; Yanti, Elsa Novri
Indonesian Journal of Science and Pharmacy Vol. 3 No. 2 (2025): Indonesian Journal of Science and Pharmacy
Publisher : Pustaka Media Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63763/ijsp.v3i2.138

Abstract

Durian (Durio zibethinus) peel, an abundant agricultural waste in Southeast Asia, represents a sustainable lignocellulosic precursor for producing activated carbon (AC) with high surface area and porous structure. However, pristine durian peel-derived AC exhibits limited intrinsic antibacterial activity, primarily relying on physical adsorption. Silver nanoparticles (AgNPs) are well-known broad-spectrum antibacterial agents that disrupt bacterial membranes, generate reactive oxygen species (ROS), and interfere with cellular processes. Immobilization of AgNPs onto AC is expected to create a synergistic composite that combines adsorptive capacity with potent bactericidal effects. This literature review systematically examines the synthesis and characterization of activated carbon from durian peel, green synthesis routes of AgNPs using durian peel extract or pectin as reducing and stabilizing agents, and the potential of AgNP-modified durian peel AC for enhanced antibacterial performance. Key findings indicate that chemical activation (KOH or acid-based) yields AC with surface areas ranging from 257 to 666 m²/g. Pectin extracted from durian peel enables eco-friendly synthesis of stable, spherical AgNPs (core size ≈13.5 nm, zeta potential ≈ –50 mV) with minimum inhibitory concentrations (MIC) of 61.8 ppm against both Gram-negative Escherichia coli and Gram-positive Staphylococcus aureus. Comparative analysis reveals that while pristine durian peel AC shows only moderate bacterial capture, AgNP integration significantly improves bactericidal efficacy through combined adsorption-bactericidal mechanisms. Potential applications include water disinfection, antimicrobial filters, and biomedical materials. Challenges such as silver leaching, scalability, and long-term stability are discussed. This review highlights the emerging potential of AgNP-modified durian peel activated carbon as a low-cost, multifunctional material for addressing bacterial contamination while promoting waste valorization. Future research should focus on direct composite synthesis, comprehensive antibiofilm testing, and real-matrix performance evaluation.
Co-Authors Arridina Susan Silitonga - Ayu Syufiatun Tarigan Devi Lestari Erna Juwita Husni Husin Imas Masriah Pratiwi, Pina Budiarti Prisca Caesa Moneteringtyas Rahmat, Nahzim Teuku Mukhriza Yanti, Elsa Novri