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All Journal Indonesian Journal of Pharmaceutical Science and Technology Unnes Science Education Journal JURNAL GALUNG TROPIKA Jurnal Penelitian Pendidikan IPA (JPPIPA) Al-Kimia Biosfer: Jurnal Pendidikan Biologi Indonesian Journal of Chemistry Journal of Education and Instruction (JOEAI) BIOEDUSAINS: Jurnal Pendidikan Biologi dan Sains Alignment: Journal of Administration and Educational Management Jurnal Kartika Kimia Jurnal Pengabdian Kepada Masyarakat Sosiosaintifik Tamaddun Venn: Journal of Sustainable Innovation on Education, Mathematics and Natural Sciences JIPI (Jurnal IPA dan Pembelajaran IPA) Abdi Kimia : Jurnal Pengabdian Masyarakat Hayyan Journal Mammiri: Jurnal Pengabdian Masyarakat Illea
Irfandi, Rizal
Department Of Chemistry, Faculty Of Mathematics And Natural Science, Universitas Negeri Makassar, Makassar, Jalan Daeng Tata Raya Makassar, 90244, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Dentistry Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics Social Sciences Other

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A Review of Marine Bacterial Intracellular and Extracellular Bioactive Compounds as Novel Antibacterial and Anti-Inflammation Agents Karim, Harningsih; Azis, Arief; Ramadani, Ananda; Anita, Anita; Ahmad, Ahyar; Natsir, Hasnah; Taba, Paulina; Putri, Suriati Eka; Sarlan, Sarlan; Larekeng, Siti Halimah; Irfandi, Rizal
Indonesian Journal of Chemistry Vol 25, No 1 (2025)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.90039

Abstract

Unique and varied bioactive compounds produced by the ocean have drawn attention and served as a focus for creating antibacterial and anti-inflammatory agents. As part of the approach for locating these research sources, databases such as PubMed, Science Direct, MDPI, Google Scholar, Springer Link, Web of Science, Scopus, and Wiley Online Library were used to identify completed studies. Numerous intriguing bioactive compounds have so far been isolated from marine bacteria. A crucial resource in the ongoing search for novel peptides, proteins, lipids, nucleosides, enzymes, alkaloids, polyketides, and terpenoids is the diversity of marine bacterium strains. This review summarizes several bacterial intracellular and extracellular bioactive compounds that have been applied as antibacterial and anti-inflammatory agents in 2016–2024, which we present in the form of structures, species sources, and evaluations of these compounds' antibacterial and anti-inflammatory activities. Therefore, this review article can be used as a recommendation for utilizing biomaterials from marine bacteria that are promising in the future for industrial-scale production of antibacterial and anti-inflammatory agents.
Implementasi Komunikasi Interpersonal Kepala Sekolah dalam Meningkatkan Administrasi Guru SMP Negeri 2 Sajoanging Kec. Sajoanging Kab. Wajo Baso Bambang Juni Edi; Sutrisman Basir; Sumarni Sumarni; Esti Arni; Erna Sulastri P; Baso Muhammad Reski; Muhammad Arafah; Rizal Irfandi
Journal of Education and Instruction (JOEAI) Vol. 7 No. 2 (2024): JOEAI (Journal of Education and Instruction)
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/joeai.v7i2.12546

Abstract

Penelitian ini bertujuan untuk mengetahui dan mendeskripsikan implementasi komunikasi interpersonal kepala sekolah dalam meningkatkan administrasi guru di SMP Negeri 2 Sajoanging Kecamatan Sajoanging Kabupaten Wajo. Penelitian ini menggunakan pendekatan kualitatif dengan menggunakan teknik pengumpulan data berupa observasi, wawancara dan dokumentasi. Adapun hasil penelitian ini menunjukkan bahwa secara keseluruhan, kepemimpinan Ibu SD selaku kepala sekolah di SMP Negeri 2 Sajoanging menunjukkan implementasi yang efektif dari indikator-indikator komunikasi interpersonal termasuk 1) Keterbukaan, Ibu Kepala Sekolah menciptakan lingkungan yang nyaman bagi guru untuk berbagi ide, solusi, dan masalah, termasuk masalah administrasi. Ini menunjukkan keterbukaan yang memungkinkan guru berpendapat secara jujur dan terbuka. 2) Empati, Ibu Kepala Sekolah menunjukkan empati tinggi terhadap kebutuhan dan perasaan guru dengan mendengarkan dan peduli terhadap masalah mereka, termasuk administrasi guru. 3) Dukungan, Ibu Kepala Sekolah memberikan dukungan kepada guru, memperhatikan perkembangan dan kelengkapan administrasi mereka. Dukungan ini memotivasi guru dan meningkatkan efektivitas pekerjaan mereka. 4) Rasa Positif, Ibu Kepala Sekolah membangun hubungan baik melalui komunikasi positif, yang meningkatkan kepercayaan, kolaborasi, dan motivasi, sehingga meningkatkan efektivitas administrasi guru dan 5) Kesetaraan, Ibu Kepala Sekolah menunjukkan kesetaraan dengan bersikap adil dan tidak membeda-bedakan guru, yang membuat mereka merasa dihargai dan dapat meningkatkan efektivitas administrasi guru. Adapun kesimpulan dari penelitian ini bahwa secara keseluruhan, kepemimpinan Ibu SD selaku kepala sekolah di SMP Negeri 2 Sajoanging menunjukkan implementasi yang efektif dari indikator-indikator komunikasi interpersonal, termasuk keterbukaan, empati, dukungan, rasa positif, dan kesetaraan dalam meningkatkan administrasi guru di SMP Negeri 2 Sajoanging. Kata kunci: Implementasi, Administrasi Guru, Kepala Sekolah, Komunikasi Interpersonal.
Implementasi Kepemimpinan Kepala Sekolah dalam Pendidikan Karakter (Studi Kasus Di SMP Negeri 2 Pammana) Riska Ramayana; Muhammad Arafah; Besse Herlina; Rizal Irfandi
Journal Of Administration and Educational Management (ALIGNMENT) Vol. 7 No. 1 (2024): ALIGNMENT : Journal of Administration and Educational Management
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/alignment.v7i1.9100

Abstract

This research discusses the implementation of school principal leadership in character education. The method used is a library research approach. Literature study involves collecting data, reading, taking notes, and processing research materials. Based on data and research results conducted by researchers, the Implementation of Principal Leadership in Character Education at SMP Negeri 2 Pammana is implemented as follows: firmness and discipline, the leadership role of the principal as a motivator, creating a conducive school climate and culture; and the example of the school principal. The conclusion is that character formation is the development of knowledge and action. Keywords: Implementation, Leadership, and Character Education
PEMBERDAYAAN WANITA NELAYAN MELALUI PENGOLAHAN IKAN PATIN (PANGASIUS HYPOPHTALMUS) MENJADI CEMILAN BEKU UNTUK MENINGKATKAN PEREKONOMIAN DI DESA LAGOSI Rompegading, Andi Badli; Sudarmianti, Sudarmianti; Rahma, Besse Nuramalia; Ramadhani, Andi Amaliyah; Irfandi, Rizal
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.v2i2.8132

Abstract

Tujuan dari pelatihan pengolahan ikan patin menjadi cemilan beku untuk mendorong masyarakat dalam memanfaatkan ikan patin sebagai lapangan usaha sumber pendapatan tambahan. Kegiatan penyuluhan dilakukan dengan metode presentasi dan diskusi dengan peserta. Kegiatan pelatihan dilakukan dengan metode ceramah dan demonstrasi oleh peserta yang dipandu narasumber. Kegaiatn pemberdayaa di ikuti oleh ibu-ibu PPK dan Wanita nelayan yang ada di Desa Lagosi sebanyak 37 orang. Hasil pelatihan berjalan dengan baik. Peseta pelatihan pengolahan ikan patin menjadi cemilan beku bakso dan nugget mengikuti kegiatan dengan saksama. Tahapan awal peserta diberikan penjelasan alat dan bahan yng diperlukan serta prosedur pembuatan dalam pelatihan dilanjut dengan demonstrasi proses pengolahan ikan menjadi bakso dan nugget. Bakso dan nugget yang dihasilkan dari pelatihan memiliki rasa yang enak dan bau amis hilang.
PELATIHAN PEMANFAATAN APLIKASI AI PADA PENULISAN ARTIKEL ILMIAH PADA MAHASISWA PRODI KIMIA FAKULTAS MIPA UNIVERSITAS NEGERI MAKASSAR Side, Sumiati; Pratiwi, Diana Eka; Irfandi, Rizal; Ilyas, Nita Magfirah; Eka Putri, Suriati
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.v2i2.8416

Abstract

Kemampuan menulis sangat diperlukan dalam pengembangan ilmu pengetahuan, khususnya bagi mahasiswa. Mahasiswa prodi kimia menghadapi beberapa kendala pada proses penulisan artikel ilmiah, seperti kurangnya motivasi dari dalam diri mereka dan kurang memiliki keterampilan dalam menulis artikel ilmiah seperti ketidakpastian tata bahasa serta kurangnya pengetahuan teknis. Pelatihan ini bertujuan untuk memberikan wawasan dan pengetahuan mengenai tata cara penulisan artikel ilmiah yang sesuai dengan kriteria jurnal nasional maupun internasional yang terindeks. Mitra kegiatan ini adalah mahasiswa Prodi Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Makassar. Adapun materi yang dipaparkan mengenai format penulisan artikel ilmiah, bagaimana membuat daftar pustaka menggunakan aplikasi Mendeley, tata cara menurunkan tingkat kemiripan atau plagiarism menggunakan aplikasi AI Quillbolt, dan cara mengecek tingkat kesamaan menggunakan Turnitin. Dengan demikian, pelatihan ini diharapkan para peserta dapat menerapkan ilmu yang didapatkannya dalam penulisan artikel ilmiah dengan benar dan dipublikasikan pada jurnal nasional bereputasi
Review of Transition Metal Dithiocarbamate Complexes: Novel Fluorescent Materials for Biosensor Applications Irfandi, Rizal
Hayyan Journal Vol. 2 No. 2 (2025): June 2025
Publisher : Education and Talent Development Center of Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/hayyan.v2i2.3149

Abstract

Transition metal complexes with dithiocarbamate ligands have attracted significant attention in recent decades due to their unique electronic and optical properties. This article presents a comprehensive review of transition metal-dithiocarbamate complexes as fluorescent materials and their potential in biosensor development. Focus is given on their chemical structure, fluorescence mechanism, as well as their application in detecting important biomolecules. With the increasing need for sensitive, selective, and low-cost biosensors, these materials offer promising prospects in various biomedical and environmental applications.
Enhancing Drama-Script Writing through Cooperative Script: A Two-Cycle Classroom Action Study with Grade VIII.3 Students at SMP Negeri 1 Sengkang Kadir, Abdul; Arisa, Arisa; Rahmi, Nur; Basir, Sutrisman; Rompegading, Andi Badli; Irfandi, Rizal
Tamaddun Life Vol 24 No 1 (2025): June
Publisher : Fakultas Sastra - Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/tamaddun.v24i1.719

Abstract

Effective creative-writing instruction demands methods that simultaneously stimulate collaboration and sharpen narrative skills. This classroom action research examined whether the Cooperative Script strategy could raise achievement in drama-script writing and increase learner engagement among 32 Grade VIII.3 students at SMP Negeri 1 Sengkang, Indonesia. Conducted during the 2021/2022 academic year, the intervention unfolded over two iterative cycles each comprising planning, action, observation, and reflection and allotted 4 × 40-minute lessons per cycle. Quantitative data were collected through individual script-writing tests scored on plot, characterization, setting, structure, and language conventions; qualitative data came from structured observation sheets that captured on-task talk and peer questioning. The class mean improved from 56.15 (pre-cycle) to 72.78 after Cycle I and reached 89.84 in Cycle II, yielding a high normalized gain (g = 0.77). Mastery levels rose from 3 % to 94 %, with only two students remaining below the minimum competency criterion of 77. Observation scores mirrored these gains, showing marked growth in reciprocal questioning and dialogic rehearsal. The findings indicate that the Cooperative Script method not only accelerates mastery of drama-writing conventions but also fosters an equitable, highly interactive learning atmosphere. Teachers seeking low-cost, student-centered approaches to creative writing may therefore adopt Cooperative Script as an evidence-based routine capable of transforming conventional lessons into collaborative workshops that amplify both cognitive and social outcomes.
Antioxidant Potential of Phenolic Compounds from Sonneratia caseolaris Mangrove Roots: Isolation, Spectroscopic Analysis, Molecular Docking, Molecular Dynamic, and In-Vitro Studies Herawati*, Netti; Putri, Suriati Eka; Negara, Satria Putra Jaya; Irfandi, Rizal; Mazaya, Maulida; Rahman, Abd
Jurnal IPA & Pembelajaran IPA Vol 9, No 2 (2025): JUNE 2025
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jipi.v9i2.44821

Abstract

Free radicals contribute to the onset of various degenerative diseases, highlighting the need for safe and effective antioxidants. Given the potential side effects associated with synthetic antioxidants, Sonneratia caseolaris is considered a promising natural alternative. This study aims to isolate secondary metabolites from the roots of S. caseolaris, evaluate their antioxidant activity, and analyze their molecular interactions. Extraction was conducted using a range of solvents, and antioxidant activity was assessed using the DPPH (2,2-diphenyl-1-picrylhydrazyl) method. The ethyl acetate fraction exhibited the highest antioxidant activity and was subsequently subjected to isolation procedures. From this fraction, a white crystalline compound with a melting point of 251253C was obtained. Spectroscopic analysis identified the compound as 3,4,5-trihydroxybenzoate, a type of phenolic compound. This compound exhibited very strong antioxidant activity, with an IC value of 6.63 g/mL, which is significantly lower than that of ascorbic acid (17.64 g/mL), indicating higher potency. Molecular docking analysis showed that 3,4,5-trihydroxybenzoate formed strong interactions with active residues of cytochrome c peroxidase, particularly Trp51 and Gly112, through hydrogen bonds and hydrophobic interactions. Additionally, molecular dynamics simulations revealed that the compound-enzyme complex exhibited greater structural stability than the control (ascorbic acid), as indicated by lower residue fluctuations in root mean square deviation (RMSD) and root mean square fluctuation (RMSF) analysis analyses. These findings support the potential of Sonneratia caseolaris as a natural source for the development of antioxidant compounds with strong biological activity and favorable molecular interaction profiles
Pelatihan Simulasi Molecular Docking Metode PLANTS pada Mahasiswa Program Studi Kimia FMIPA Universitas Negeri Makassar Irfandi, Rizal; Eka Putri, Suriati; Eka Pratiwi, Diana; Side, Sumiati
MAMMIRI: JURNAL PENGABDIAN MASYARAKAT Vol. 2 No. 2 (2025): Juni 2025
Publisher : Education and Talent Development Center Indonesia

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

Abstract

Pengabdian kepada masyarakat ini bertujuan untuk meningkatkan kapasitas dan kompetensi mahasiswa Program Studi Kimia FMIPA Universitas Negeri Makassar (UNM) dalam menggunakan perangkat lunak simulasi molecular docking, khususnya metode PLANTS (Protein-Ligand ANT System). Molecular docking merupakan salah satu pendekatan komputasi yang penting dalam bidang kimia medisinal dan desain obat, yang memungkinkan prediksi interaksi antara ligan dan reseptor protein. Dalam kegiatan ini, mahasiswa diberikan pelatihan intensif mengenai dasar-dasar teori docking, instalasi dan penggunaan software PLANTS, serta interpretasi hasil docking untuk mendukung penelitian atau tugas akhir mahasiswa program studi kimia. Hasil kegiatan menunjukkan bahwa mahasiswa mampu mengoperasikan software PLANTS secara mandiri dan memahami penerapannya dalam konteks penelitian kimia. Pelatihan ini diharapkan dapat menjadi fondasi keterampilan riset berbasis komputasi yang berguna dalam menunjang tugas akhir maupun penelitian lanjutan.
Optimization of Methyl Orange Dye Photodegradation Using TiO2/Porous Ceramics with Response Surface Methodology Pratiwi, Diana Eka; Putri, Suriati Eka; Side, Sumiati; Irfandi, Rizal; Taufiq, Muhammad; Rahman, Abd
Jurnal Kartika Kimia Vol 8 No 1 (2025): Jurnal Kartika Kimia
Publisher : Department of Chemistry, Faculty of Sciences and Informatics, University of Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26874/jkk.v8i1.917

Abstract

Environmental pollution from dye waste is one of the environmental problems that is of concern today. One method that is effective, reliable, and does not require a large cost is photodegradation. In this study, a TiO2/porous ceramic (TiO2/PC) photocatalyst was used which was synthesized by the sol-gel coating method. The resulting photocatalyst was then characterized using XRF, XRD, SEM, and SAA which were then applied to the photodegradation process of methyl orange (MO) dyestuffs. Optimization of photodegradation conditions of MO dyes using porous TiO2/PC catalysts was carried out using the Response Surface Methodology (RSM) method by Central Composite Design (CCD). The characterization results showed that the TiO2 phase was in the rutile phase with a level of 10.35%. The resulting photocatalyst has pores on the surface covered by TiO2 with a shrinking pore volume after impregnation from 0.076637 cm3/g to 0.064943 cm3/g with an average pore diameter from 4.51187 nm to 4.49999 nm. The optimal condition of degradation of MO dye occurred at pH 6, an initial concentration of 25 mg/L for 120 minutes, with a percentage of degradation of 89.54% and can be used up to four cycles. Thus, TiO2/PC photocatalysts have the potential to be used in the process of processing MO dye waste.
Co-Authors Abd Rahman Abd Rahman Abdul Kadir Ade Sucitra Putri Ahmad Fudholi Ahmad Ghazali Samad Ahmad Rinaldy ahmad yani Ahmad Yani Ahmad Yani Ahmad Yani Ahyar Ahmad Ahyar Ahmad Ahyar Ahmad Aisyah Gusfira Ambo Upe Andi Alwa Andi Badli Rompegading Andi Badli Rompegading Andi Badli Rompegading Andi Badli Rompegading Andi Badli Rompegading Andi Badli Rompeggading Andi Muh. Fathul Andi Pitung Andi Wilda Resky Angga Andriana Anita Anita Arini Rajab Arisa, Arisa Arman Arifuddin Arman Arifuddin Asriana Asriana Audya Syahra Ayu Lestari Ayu Muliana Badli Rompegading, Andi Basir, Sutrisman Baso Bambang Juni Edi Baso Muhammad Reski Bima Sardina Cindy Agustina Cindy Agustina Darsal Dahlan Darwis Desy Kartina Devi Wulandari Ramli Dewi Sartika Dian Ramadhani Dian Ramadhani Diana Eka Pratiwi Dingse Pandiangan Erna Sulastri P Erwing Erwing Esti Arni Fatimah Fatimah Febriani Danur, Riny Firdaus Zenta Hadarmawandi Hadarmawandi Hadarmawandi, Hadarmawandi Harningsih Karim Harningsih Karim Hasnah Natsir Hasnah Natsir Herlina, Besse ihya, Zahratul Ilyas, Nita Magfirah Indah Raya Indah Raya Indah Raya Jasri Djangi, Muhammad Jayawarsa, A.A. Ketut Lili Suryani Mazaya, Maulida Mirjawanda Mirjawanda Mitha Febriani Muh. Damriansyah Muh. Faqhi S. Muh. Fathir Rahmat Muh. Ilham Muhammad Afdal Muhammad Arafah Muhammad Arafah Muhammad Arafah Muhammad Arafah Muhammad Arafah Muhammad Arafah Muhammad Arafah Muhammad Arafah Muhammad Fadryansah Muhammad Fathir Rahmat Muhammad Kemal Nasser Muhammad Nasir Muhammad Nasir Muhammad Nur Muhammad Nur Muhammad Nur Muhammad Nur Muhammad Resky Muhammad Taufiq Muhlis, Nur Fadhillah Muriyati Murniati Safitri Mutmainnah Gani Nasser P, Muh Kemal Negara, Satria Putra Jaya Netti Herawati Nia Febrianti Nirmawati Hamka Nirmayanti Syamsuddin Nur Aulia Hazzah Nur Fadhillah Muhlis Nur Indah Sari Nur Insani Amir Nur Nur Fisabilianti Nur Rahmi Nurcaya Nurcaya Nurul Hikma Fajar Paulina Taba Putri Dewi Suci Ramadhani Rachmat Triandi Tjahjanto Rahma, Besse Nuramalia Rahmawati Rahmawati Ramadani, Ananda Ramadhani, Andi Amaliyah Rani Sengka Renaldi Reski Aggun Sasmita Reski Hamdiah Riki Rusanda Ririn Eka Riska Febrianti Riska Ramayana Rismawati Rismawati Rizky Arfadilla Rony, Zahara Tussoleha Rosdiana Rosdiana Rugaiyah Arfah Ruslang, Ruslang Sahriah Rahim Santi Santi Sarlan, Sarlan Sengka, Rani Sir, Panessai Siti Fauziah SITI HALIMAH LAREKENG, SITI HALIMAH Sitti Aminah Subakir Salnus Subakir Salnus Sudarmianti, Sudarmianti Sugiarti Sugiarti Suharni Sudirman Sulistiani Jarre Sumarni Sumarni Sumiati Side Suriati Eka Putri Suriati Eka Putri Suriya Satar Susan Marlein Mambu Susilo Sudarman Desa Sutrisman Basir Syah, Uswah Trywulan Syamsu Rijal Syamsu Rijal Syamsu Rijal Syamsu Rijal Syamsu Rijal Syamsu Rijal Tantu, Zakiah Vitrani Vitrani Wahid Wahab Yanti, Reski Yetti Anita Yuliana S Zakiah Tantu Zulfian Armah