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All Journal Indonesian Journal of Chemistry Communications in Science and Technology Jurnal Pengabdian Masyarakat Hasanuddin (JPMH) Venn: Journal of Sustainable Innovation on Education, Mathematics and Natural Sciences
Djabal Nur Basir
Chemistry Department, Faculty of Maths and Natural Sciences, Hasanuddin University Makassar 90245
Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Economics, Econometrics & Finance Education Engineering Environmental Science Mathematics Physics Public Health Social Sciences Other

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Green synthesis of copper oxide (CuO) nanoparticles using Anredera cordifolia leaf extract and their antioxidant activity Munandar, Nurharis; Kasim, Syaharuddin; Arfah, Rugaiyah; Basir, Djabal Nur; Hala, Yusafir; Zakir, Muhammad; Natsir, Hasnah
Communications in Science and Technology Vol 7 No 2 (2022)
Publisher : Komunitas Ilmuwan dan Profesional Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21924/cst.7.2.2022.1004

Abstract

Our present study describes the green synthesis of copper oxide nanoparticles (CuONPs) using a leaf extract from Anredera cordifolia (AC). The presence of flavonoids, saponins, and alkaloids in the plant extract was confirmed by phytochemical analysis, and these chemicals can be used as reducing, stabilizing, and capping agents. UV-Vis Spectrophotometry, XRD, FT-IR, and SEM-EDS were used to characterize the CuONPs. The UV-Vis spectroscopy of the biosynthesized CuONPs revealed an absorption peak at 325 nm. The XRD graph also revealed that the Debye-Scherrer formula observed an average crystalline size of around 43.47 nm. EDS analysis confirmed the composition and purity of CuONPs. The presence of functional groups -OH, C=O, and C-O triggers the synthesis of CuONPs, according to FT-IR analysis. Furthermore, the CuONPs antioxidant property inhibited free radicals as antioxidants with an IC50 value of 34.20 g/mL.
Pemberdayaan Masyarakat Melalui Pemanfaatan Maggot Lalat Tentara Hitam (BSF) untuk Mereduksi Sampah Organik serta Mitigasi Kebakaran di Tempat Pemrosesan Akhir (TPA) Sampah Basir, Djabal Nur; Permatasari, Nur Umriani; Hidayani, Andi Aliah
Jurnal Pengabdian Masyarakat Hasanuddin (JPMH) Vol 6 No 1 (2025)
Publisher : Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31947/jpmh.v6i1.45124

Abstract

Salah satu cara yang efektif untuk mereduksi sampah organik dan mitigasi kebakaran di tempat pemrosesan akhir (TPA) sampah yaitu penerapan teknologi biokonversi melalui pemanfaatan maggot lalat tentara hitam/black soldier fly (BSF). Maggot (Hermetia Illucens) adalah salah satu larva lalat yang kandungan hewani proteinnya tinggi sekitar 30-45%. Sampah organik yang tidak bermanfaat dan menimbulkan bau busuk (polusi udara) dapat dikelola dan diolah menjadi budidaya maggot untuk dimanfaatkan sebagai bahan sumber produsen alternatif kaya protein untuk pakan ikan, ternak, dan bahan pupuk kompos. Cara mengelola sampah menjadi budidaya maggot, bisa menjadi cara yang efektif untuk melaksanakan pemberdayaan masyarakat dalam mengatasi permasalahan sampah. Kegiatan pemberdayaan masyarakat melalui budidaya maggot merupakan salah satu proses kegiatan agar masyarakat menjadi peduli lingkungan bersih, gotong royong untuk mengurangi populasi sampah yang sebelumnya menjadi masalah di lingkungannya, serta mendapatkan pengetahuan baru dalam pengelolaan dan pengolahan sampah. Secara tidak langsung, selain meminimalisir sampah agar kondisi lingkungan menjadi bersih dan sehat, kegiatan budidaya maggot oleh masyarakat merupakan luaran dari tujuan pemberdayaan masyarakat berbasis teknologi dan ekonomi kreatif. Program kegiatan pemberdayaan masyarakat dilaksanakan dalam bentuk sosialisasi pengolahan sampah organik melalui budidaya maggot di Kelurahan Untia, Kecamatan Biringkanaya, Makassar, Sulawesi Selatan.
Optimasi Proses Reduksi dan Flokulasi Cr(VI) oleh FeSO4 pada Limbah Simulasi Elektroplating Mardiyanti, Riska; Basir, Djabal Nur; Musallam, Abdurrahman Noval; Mustawa, Muhammad Al
Venn: Journal of Sustainable Innovation on Education, Mathematics and Natural Sciences Vol. 5 No. 2 (2026): Biology, Physics, Chemistry, and other Basic Sciences
Publisher : Pusat Studi Bahasa dan Publikasi Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53696/venn.v5i2.405

Abstract

The increasing activity of the electroplating industry contributes to environmental pollution through wastewater containing toxic and carcinogenic hexavalent chromium [Cr (VI)]. This study aimed to determine the optimum conditions for Cr (VI) reduction–flocculation using iron (II) sulfate (FeSO₄) and to evaluate its application in simulated multi-metal electroplating wastewater. Batch optimization was conducted by varying pH (3–11), contact time (1–60 minutes), FeSO₄ dosage (0.01–0.3 g), and initial Cr(VI) concentration (50–500 mg/L). Cr (VI) concentration was analyzed using UV–Vis spectrophotometry with 1,5-diphenylcarbazide reagent at a maximum wavelength of 541.5 nm. The optimum conditions were obtained at pH 8, 5 minutes of contact time, and 0.1 g of FeSO₄, achieving 99.89% removal of Cr (VI) from an initial concentration of 100 mg/L. In simulated multi-metal wastewater, the removal efficiency reached 99.9% with a final concentration of 0.0921 mg/L, meeting the applicable discharge standards. These findings provide practical implications as initial operational parameters and demonstrate the potential of FeSO₄ as a simple and rapid pre-treatment method prior to further treatment processes. Further studies are recommended to validate the method using actual electroplating wastewater and to evaluate the influence of interfering ions and Fe²⁺ oxidation, for example through operational control or the use of freshly prepared FeSO₄ solution to ensure process stability.
Antihistamine Potential of Red Alga Acanthophora spicifera Through Combination In Vivo, In Vitro, and In Silico Study Wahyuni, Ilmi; Soekamto, Nunuk Hariani; Rasyid, Herlina; Annisa, Nurul; Adriana, Risda; Putri, Alifiah Alfaniah Alfattah; Basir, Djabal Nur; Ahmad, Ahyar; Fauziah, St.; Irfandi, Rizal
Indonesian Journal of Chemistry Vol 26, No 2 (2026)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.109199

Abstract

Red alga Acanthophora spicifera is a marine species with potential as a source of natural antihistamines. This study evaluated the bioactivity of its secondary metabolites through in vivo, in vitro, and in silico approaches. Extracts were obtained by successive maceration using n-hexane, ethyl acetate, and methanol. In vivo testing on BALB/c mice showed that extract administration did not cause significant weight loss. However, its effect on allergic symptoms was significant (p < 0.05), with the methanol extract identified as the most effective by the Mann–Whitney test. In vitro assays revealed a significant reduction in histamine levels (p < 0.05) during sensitization, treatment, and post-challenge phases, particularly in the methanol extract group. In silico docking demonstrated that two compounds from the methanol extract exhibited strong binding affinity to the H1 receptor (PDB ID: 3RZE), with binding energies of −6.27 and −5.06 kcal/mol. These findings suggest that A. spicifera, particularly its methanol extract, is a promising source of natural antihistamines with potential applications in the development of safer allergy treatments.
Co-Authors Adriana, Risda Ahyar Ahmad Andi Aliah Hidayani Arfah, Rugaiyah Hasnah Natsir Irfandi, Rizal Mardiyanti, Riska Muhammad Zakir Munandar, Nurharis Musallam, Abdurrahman Noval Mustawa, Muhammad Al Nunuk Hariani Soekamto NURUL ANNISA Permatasari, Nur Umriani Putri, Alifiah Alfaniah Alfattah Rasyid, Herlina St. Fauziah Syaharuddin Kasim Wahyuni, Ilmi Yusafir Hala