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All Journal Abdi Kimia : Jurnal Pengabdian Masyarakat Hayyan Journal Illea
Kartika, Andi Eka
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Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Dentistry Education Engineering Health Professions Immunology & microbiology Medicine & Pharmacology Social Sciences Other

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PELATIHAN LITERATURE REVIEW GUNA MENINGKATKAN PEMAHAMAN MENDALAM MENYUSUN KARYA TULIS ILMIAH PADA MAHASISWA JURUSAN KIMIA UNIVERSITAS NEGERI MAKASSAR Kartika, Andi Eka; Negara, Satria Putra Jaya; Agussalim, Hastuti; Hasri, Hasri; Afni, Nur
ABDI KIMIA: Jurnal Pengabdian Masyarakat Vol 2 No 2 (2025): Jurnal Edisi Juni
Publisher : Jurusan Kimia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/abdi.v2i2.8347

Abstract

Kemampuan dalam menyusun literature review merupakan keterampilan esensial dalam penulisan karya tulis ilmiah di perguruan tinggi. Namun, banyak mahasiswa masih mengalami kesulitan dalam memahami konsep literature review dan memanfaatkan aplikasi manajemen referensi. Untuk mengatasi permasalahan tersebut, telah dilaksanakan kegiatan pelatihan bertema “Literature review guna meningkatkan pemahaman mendalam menyusun karya tulis ilmiah bagi mahasiswa Jurusan Kimia FMIPA Universitas Negeri Makassar”. Metode pelaksanaan mencakup penyuluhan teoritis, bimbingan teknis, praktik mandiri, serta evaluasi melalui angket pre-test dan post-test dengan enam butir pertanyaan sebagai indikator kompetensi. Kegiatan ini diikuti oleh 20 mahasiswa aktif angkatan 2023–2024. Hasil evaluasi menunjukkan adanya peningkatan signifikan dalam pemahaman mahasiswa, terutama pada pemahaman dasar literature review, pengorganisasian literatur, serta pembuatan daftar pustaka otomatis. Sebanyak 60–75% peserta menunjukkan peningkatan kompetensi pada indikator utama. Kegiatan ini terbukti efektif dalam meningkatkan keterampilan mahasiswa dalam menyusun karya tulis ilmiah berbasis referensi yang relevan dan terstruktur. Kegiatan ini memberikan kontribusi penting dalam peningkatan literasi ilmiah mahasiswa serta mengurangi risiko plagiarisme akibat kesalahan sitasi.
Kinetics of Phenol Degradation Using TiO₂/Zeolite Composite Kartika, Andi Eka; Side, Sumiati; Eka Pratiwi, Diana; Afni, Nur
Hayyan Journal Vol. 2 No. 3 (2025): October
Publisher : Education and Talent Development Center of Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/hayyan.v2i3.4138

Abstract

Phenol is a hazardous organic pollutant commonly found in industrial wastewater and is difficult to degrade through conventional treatment methods, thus requiring more effective and sustainable approaches. Photocatalytic degradation using TiO₂ has been widely explored; however, its performance is limited by rapid electron–hole recombination and low surface area. Combining TiO₂ with zeolite enhances adsorption capability and increases the availability of active sites, offering a promising strategy to improve photocatalytic efficiency. This study aims to analyze the kinetic behavior of phenol degradation using a TiO₂/zeolite composite and to determine the optimum irradiation time based on a pseudo-first-order kinetic model. Irradiation times of 15, 30, 45, 60, and 75 minutes were applied, and phenol concentrations were measured using UV–Vis spectrophotometry at 270,20 nm. The results show rapid degradation during the first phase (15-30 minutes), with removal efficiency increasing from 83,014% to 87,315%. After 30 minutes, the degradation rate becomes nearly constant, indicating the attainment of photocatalytic dynamic equilibrium. The -ln(Ct/C0) plot reveals two distinct reaction phases: an initial high-rate phase followed by a plateau phase. Therefore, 30 minutes is identified as the most efficient irradiation time, representing the point at which maximum degradation is achieved before the reaction rate significantly decreases. These findings provide meaningful insight into the photocatalytic kinetics of TiO₂/zeolite composites and support their potential application in phenolic wastewater treatment.
NANOPARTIKEL SINTESIS HIJAU BERBASIS SENYAWA ALAMI SEBAGAI PLATFORM INOVATIF DALAM TERAPI INFEKSI BAKTERI: LITERATURE REVIEW Afni, Nur; Kartika, Andi Eka
Illea : Journal of Health Sciences, Public Health and Medicine Vol.1, No.3 (2025): Oktober 2025
Publisher : Education and Talent Development Center Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Green synthesis of nanoparticles derived from natural compounds has emerged as a promising strategy to address increasing bacterial infections and antibiotic resistance. Unlike conventional methods that rely on toxic chemicals and high energy processes, this eco-friendly approach uses plant extracts as reducing and stabilizing agents, producing safer and more biocompatible nanoparticles. This narrative review summarizes recent findings on biosynthetic approaches, physicochemical characteristics, and antibacterial mechanisms demonstrated in experimental studies. Relevant articles published between 2015 and 2025 were retrieved from ScienceDirect, PubMed, and Google Scholar using defined eligibility criteria. The synthesis commonly produces silver, gold, or zinc oxide nanoparticles with nanoscale size (<100 nm) and high colloidal stability. These nanoparticles exhibit potent antibacterial activity through multimodal pathways, including membrane disruption, oxidative stress induction, and biofilm inhibition, including against multidrug-resistant pathogens. Overall, green-synthesized nanoparticles represent a promising and sustainable platform for antibacterial therapy; however, further standardization, toxicity evaluation, and preclinical validation are required before translation to clinical applications.
Co-Authors Diana Eka Pratiwi Hasri Hasri Hastuti Agussalim Negara, Satria Putra Jaya Nur Afni Sumiati Side