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Ronald Darlly Hukubun
Universitas Pattimura
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Journal : Jurnal Sains dan Teknologi

 1 
Efektivitas Penggunaan Lampu LED Biru terhadap Hasil Tangkapan Bubu di Perairan Desa Tepa, Maluku Barat Daya Donal Noija; Hehanussa, Kedswin G.; Ronald Darlly Hukubun
INSOLOGI: Jurnal Sains dan Teknologi Vol. 4 No. 2 (2025): April 2025
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v4i2.5124

Abstract

The effectiveness of fish traps (bubu) largely depends on the gear’s ability to attract fish, especially in environments with high competition and dynamic water conditions (Hehanussa et al., 2020). One innovative method that has been increasingly developed over the past few decades to enhance the attractiveness of fishing gear is the use of light attractors. Artificial light, particularly from Light Emitting Diode (LED) lamps, has been proven to improve catch rates across various fishing gears, including nets, longlines, and traps. LEDs are favored due to their high energy efficiency, long lifespan, and availability in a wide range of light spectra. This study aims to evaluate the effect of using blue Light Emitting Diode (LED) lamps on the catch performance of fish traps in the waters of Tepa Village, Southwest Maluku Regency. The research was conducted from August to October 2024 using two fish traps: one equipped with a blue LED lamp and one without a lamp as a control. Results showed that the trap equipped with the blue LED accounted for 69.83% of the total fish caught, significantly higher than the control trap (30.17%). Statistical tests revealed a significant difference in the number of fish caught (p = 0.01) but not in species composition (p = 0.38). The dominant species caught belonged to the families Scaridae, Acanthuridae, and Naso. These findings indicate that blue LED technology is effective in enhancing the efficiency of fishing gear in an environmentally friendly and sustainable manner.
Pengaruh Substitusi Abu Bonggol Jagung sebagai Pozzolan pada Semen Portland Komposit terhadap Kuat Tekan Mortar Alif Nur Laili Rachmah; Ruliana, Binti; Sabrianah Badaruddin; Ratumanan , Ratih C F; Hukubun, Ronald Darlly
INSOLOGI: Jurnal Sains dan Teknologi Vol. 4 No. 4 (2025): Agustus 2025
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v4i4.6142

Abstract

The effect of additive corn cob ash (CA) on Portland Composite Cement (PCC) on the compressive strength of the mortar is influenced by pozzolan. The material that makes up pozzolan is silica. Corn cobs are agricultural waste that contains silica and every year continue to increase, so corn cob waste is as an additional material to Portland Composite Cement (PCC). This study was conducted to determine the compressive strength value of mortar using additive corn cob ash (CA) and corn cob ash that has been washed with HCl 2N (CA*) and the feasibility of these additives as a PCC-type cement mixture. The weight percentages of additives used were 5%, 10%, and 15%, and the duration of the mortar compressive strength test was 3, 7, and 28 days. The experimental results showed that the compressive strength (σm) was highest at the addition of 5% additives, the effect of additives on compressive strength resulted in σm research > standard σm (SNI). The results of the activation index analysis obtained additive corn cob ash of 76% and corn cob ash+HCl 2N of 76.71%, the value is above the minimum limit according to ASTM C.618-99 which is 75%.
Proses Ekstraksi Antioksidan dari Daun Kalanchoe pinnata: Studi Pengaruh Ukuran Partikel dan Kinetika Maserasi Sabrianah Badaruddin; Alif Nur Laili Rachmah; Ratih C F Ratumanan; Hukubun, Ronald Darlly; Tamaratritania Citta Trisnantari
INSOLOGI: Jurnal Sains dan Teknologi Vol. 4 No. 4 (2025): Agustus 2025
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v4i4.6183

Abstract

Kalanchoe pinnata leaves are rich in bioactive compounds, including flavonoids and phenolic constituents, which exhibit notable antioxidant properties. However, the efficiency of extraction processes is highly influenced by operational variables such as the type of physical pre-treatment and maceration duration. This study aims to evaluate the effect of three physical pre-treatment methods (manual grinding, chopping, and blending) and maceration periods ranging from 3 to 5 days on the antioxidant activity of K. pinnata leaf extracts using the DPPH radical scavenging assay. Results indicate that the grinding method combined with five days of maceration yields the highest antioxidant activity (95.04%), while blending leads to the lowest activity (81.78%), presumably due to heat-induced degradation of active compounds. Kinetic observations show that antioxidant activity tends to plateau on day five, particularly in ground samples. These findings highlight the critical influence of particle size reduction and solvent–solid contact time on mass transfer efficiency during extraction. This preliminary investigation provides a scientific basis for further research on the optimization of natural antioxidant extraction processes and the development of functional herbal formulations derived from K. pinnata leaves.
Co-Authors Abdi Pangestu Abdul Norman Kibas Adhe Fitri Rohly Elys Agnes A. Panggabean Aidah Z. N. Rohmah Albert F. Thomas Aldeva H. F Mawuntu Aldi Renata Alessandra F. Saija Alessandra F. Saija Alfian Fayus Shafar Ambo Alia U. Mahua Alif Nur Laili Rachmah Alvind G. Kambuno Amey Makahity Ami Indah Marasabessy Anansya Theresya Lekatompessy Anastasya Supusepa Aneila Stephanie Russel Angela Ruban Angela Ruban Aprilia Tuasuun Astry Tehuayo Atmisari Diman Audry Leiwakabessy Badaruddin, Sabrianah Bireinda Tirza Violetta Tuapattinaya Brian Saputra Manurung Charlota Masully Chrisnata Manihuruk Christiana Manuella Violynn Clifford R. Kundiman Degen E. Kalay Degen E. Kalay Degen Erasmus Kalay Delce Kainama Dhea Nurafni Firmansyah Donal Noija Eko Pradjoko Elsy Taruk Linggi Emilia Hanubun Esra Yudha Empra Eva Kaimudin Eva S. Ratuluhain Eva Susan Ratuluhain Evanthely N. Ch. M. Tahalele Fadila F F Farhana Umhaera Patty Fatima Kubais Febiyanty Palijama Feronika Pulamajen Fileo Agus Waileruny Fira A. Rehalat Friesland Tuapetel Frijona Fabiola Lokollo Fuadiska Salamena Gian Rumahlatu Gladys R. Pamesti Glaselaria A. Oeijano Gloria A. D. Rante Gloria M Souissa Gloria Sapulette Gloria Sitaniapessy Godwin W. A. Hehanussa Goziana Armagita Grace Pattiselanno Gratia D. Manuputty Gresia Maiseka Gresti Vionae Grisko V. Pattippeilohy Harold J.D. Waas Hehanussa, Kedswin Gerson Hektor Dalton Hehanussa Helmalya Putri Hendra Titawael Hendrikus Sakliressy Hensly Tahalea Hermanto Romera Hiariey, Johanis Hubert A. Mainake Hukubun, Wiwien Gaby Hulopi, Mahriyana Imanuel Villian Trayanta Soukotta Indra Wati Niapele Indriyanti Kendy Inri Chartini Johansz Intan Buton Ivanmorl Ruspanah Ivanmorl Ruspanah Ivanual M. Wairata Jembris Nustelu Joel Apriyanto Fejacreyo Huka Joel K. Cols Cols Johan B. Bension Johan Bruiyf Bension Jolanda Tomasouw Jorgi B. Kurniawan Josepina Inggriany Untailawan Joshua Amstrong Leuwol Jossep Titirloloby Josua Frans Trianto Joy Gaspersz Juan Marchel Paulus Jugerteria Luhulima Juliaans E. R. Marantika Jusuf Leiwakabessy Kalay, Degen E Kalay, Degen E. Karan Silaratubun Kelvin Sopahaluwakan Kereison D. Saija Kesia L. Sahusilawane Kezia Cornelia Klau Kezia Sovici Tuhuleruw Krisnawati Maahury Krisye Pasanea Kuntum N. Lisaholet Labibah Nur Dini Laura B. S. Huwae Laura Bianca Silvia Huwae Laura Bianca Sylvia Huwae LAURY CHARA HUWAE Lawalata, Felix Fernando Lenci Patty, Kristi Lina S. Berlianti Linansera, Valentine Lukman Hamsah Djari Lunmisay, Jelian Lusanra Jacqueline Tutkey M. Aldi Septian M. Fajar Alfikar Marcia Lainsamputty Marlin C. Wattimena Marlin Chrisye Wattimena Marsel Marthin Nikijuluw Masnia Masnia Masrikat, Julius A. N. Maya Lisa Haupea Megumi I. P. Malle Meilanny Cornelis Merlin Getdha Putnarubun Michele C. Manuputty Michele F. C. Usmany Michele Kesaulya Moniharapon, Louis D Murad Madi Mutia F. Tala N. Satumalay, Vilsigelint Natalia Tetelepta Novisty Mainake Noya, Yunita A. Noya, Yunita Angnetjie Nur Andini Pentury, Kresyan Poppy S Manila Pormes, Ludwina Pretty Mitra Kristina Zebua Prezto S. A. Dabutar Putri Azzuhra N. Pattisahusiwa Rahman Rahman Rahman Rahman Ratih C F Ratumanan Ratih C. F. Ratumanan Ratuluhain, Eva Susan Ratumanan , Ratih C F Refaldy Siahaya Regina Latuheru Retraubun, Alex S W Retraubun, Alex S. W Revi A. Rumbawa Rijoly, Frederik Rina S. D. Suganda Riski A. K. Rumata Riskiya Riskiya Ruben Mesasnuat Ruliana, Binti Rumasoreng Rumasoreng S. Tentua, Caroline Safitriyani Safitriyani Saleky, Valentine D Salma Rumau Sanduan, Fitria Sherly Lewerissa Shinta Syaranamual Siahainenia, Laura Silahooy, Veince B. Simon Tubalawony Siti R. Sehwaky Siti Rukmana Wally Siti S. Rumonin Sitti Aisa Mahu Sophia N. M. Fendjalang Sri J. A. Bandu Srihayu Umasangaji Stefanno M. A. Rijoly Stefano M. A. Rijoly Stela Salamor Suranti Pratiwi Suryani Makassar Syalvira N. Nasaruddin Tamaratritania Citta Trisnantari Tomasoa, Matheos Trisna Marsadi Tualeka, Oki Nurul Asma Utama, Cipta Valentine D. Saleky Valentine D. Saleky Velicia Ivena Hutubessy Vica Jillyan Edsti Saija Vicko Lamidja Vivin Ayuasthika Waas, Harold J.D Waas, Harold Joppie Davido Wakano, Deli Warnesy A Samangun Wattimena, Marlin Ch WATTIMURY, JUSUPH J Wenseslaus Rurum Yansen Jagatri Kufla Yayan Asmawan Yemima H. Von Bulow Yoisye Lopulalan Yulius Ruspanah Zusye Latuihamallo