Articles

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  Interlayer Modification of West Java Natural Bentonite as Hazardous Dye Rhodamine B Adsorption

  Satria Jaya Priatna, Yusuf Mathiinul Hakim, Sahrul Wibyan, Siti Sailah, Risfidian Mohadi

  160-169

  Abstract View : 528

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  10.26554/sti.2023.8.2.160-169

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  Antibacterial and Antioxidant Activity of Endophytic Fungi Extract Isolated from Leaves of Sungkai (Peronema canescens)

  Rian Oktiansyah, Hary Widjajanti, Arum Setiawan, Sakinah Salman Ahmad Nasution, Mardiyanto,...

  170-177

  Abstract View : 406

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  10.26554/sti.2023.8.2.170-177

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  Experimental Investigation on Thermophysical and Stability Properties of TiO2/Virgin Coconut Oil Nanofluid

  Barlin Oemar, Amir Arifin, David Bahrin, Astuti, Dwiki Ramadhan, Muhammad Abil Rifqy, Muhammad...

  178-183

  Abstract View : 226

  Download :210

  10.26554/sti.2023.8.2.178-183

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  Formulation of Set Covering Problem Using Myopic Algorithm and Greedy Reduction Algorithm in Determining the Location of Temporary Landfills in Semambu Island Village, Ogan Ilir Regency, South Sumatra

  Fitri Maya Puspita, Sisca Octarina, Laila Hanum, Chatrin Yohana Simamora, Helena Valenta Br...

  184-194

  Abstract View : 259

  Download :202

  10.26554/sti.2023.8.2.184-194

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  Bi-Univalent Function Classes Defined by Using an Einstein Function and a New Generalised Operator

  Munirah Rossdy, Rashidah Omar, Shaharuddin Cik Soh

  195-204

  Abstract View : 203

  Download :168

  10.26554/sti.2023.8.2.195-204

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  Perturbed Trapezoid Like Inequalities

  Waseem Ghazi Alshanti, Iqbal Mohammad Batiha, Ahmad Alshanty, Amjed Zraiqat, Iqbal Hamzah...

  205-211

  Abstract View : 143

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  10.26554/sti.2023.8.2.205-211

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  The Characterization of the Hydrophobic Surface of Nanocomposites Aloe vera/PS for Antimicrobial Pathogens

  Lathifa Zonesya Putri, Ratnawulan Ratnawulan, Ramli Ramli, Hamdi Rifai, Faridah Lisa Supian,...

  212-218

  Abstract View : 288

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  10.26554/sti.2023.8.2.212-218

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  Profiling of Active Compounds of Extract Ethanol, n-Hexane, Ethyl Acetate and Fraction Ethanol of Star Anise (Illicium verum Hook. f.) and Determination of Total Flavonoids, Total Phenolics and Their Potential as Antioxidants

  Mighfar Syukur, Masitoh Suryaning Prahasiwi, Nurkhasanah, Sapto Yuliani, Yuliana Purwaningsih,...

  219-226

  Abstract View : 368

  Download :249

  10.26554/sti.2023.8.2.219-226

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  Isolation of Cellulase from Selected Fungal Strains and Its Use for Manufacture Microcrystal Cellulose from Kapuk Cortex (Ceiba Pentandra (L.) Gaertn)

  Mi'rajunnisa, Herman Suryadi, Sutriyo, Yulianita Pratiwi Indah Lestari

  227-234

  Abstract View : 204

  Download :201

  10.26554/sti.2023.8.2.227-234

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  A New Three-Parameter Mixed Poisson Transmuted Weighted Exponential Distribution with Applications to Insurance Data

  Ademola Adetunji, Shamsul Rijal Muhammad Sabri

  235-244

  Abstract View : 236

  Download :260

  10.26554/sti.2023.8.2.235-244

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  Characterization of Synthesized NiCo2O4 with Trisodium Citrate for Supercapacitor Material: A Preliminary Study

  Andriono Manalu, Istas Pratomo Manalu, Muktar Bahruddin Panjaitan, Ady Frenly Simanullang,...

  245-251

  Abstract View : 256

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  10.26554/sti.2023.8.2.245-251

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  Catalytic Activity of LDH-TiO2 and LDH-ZnO in Photodegradation of Procion Red

  Nova Yuliasari, Amri Amri, Risfidian Mohadi, Elfita Elfita, Aldes Lesbani

  252-258

  Abstract View : 206

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  10.26554/sti.2023.8.2.252-258

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  Drought Assessment in Aceh and North Sumatra Using Effective Drought Index

  Suhadi, Supari, Iskhaq Iskandar, Muhammad Irfan, Hamdi Akhsan

  259-264

  Abstract View : 222

  Download :281

  10.26554/sti.2023.8.2.259-264

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  Extension of Exponential Pareto Distribution with the Order Statistics: Some Properties and Application to Lifetime Dataset

  Adewunmi Olaniran Adeyemi, Ismail Adedeji Adeleke, Eno Emmanuella Akarawak

  265-279

  Abstract View : 369

  Download :202

  10.26554/sti.2023.8.2.265-279

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  Malachite Green Dye Adsorption from Aqueous Solution using a Ni/Al Layered Double Hydroxide-Graphene Oxide Composite Material

  Amri Amri, Aldes Lesbani, Risfidian Mohadi

  280-287

  Abstract View : 251

  Download :284

  10.26554/sti.2023.8.2.280-287

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  A Bootstrap-Aggregating in Random Forest Model for Classification of Corn Plant Diseases and Pests

  Yulia Resti, Chandra Irsan, Jeremy Firdaus Latif, Irsyadi Yani, Novi Rustiana Dewi

  288-297

  Abstract View : 190

  Download :232

  10.26554/sti.2023.8.2.288-297

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  Best Proximity Point Results in Fuzzy Normed Spaces

  Raghad Ibrahaim Sabri, Buthainah Abd Al Hassan Ahmed

  298-304

  Abstract View : 172

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  10.26554/sti.2023.8.2.298-304

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  Facile Fabrication of Layered Double Hydroxide-Lignin for Efficient Adsorption of Malachite Green

  Neza Rahayu Palapa, Nur Ahmad, Alfan Wijaya, Zaqiya Artha Zahara

  305-311

  Abstract View : 231

  Download :138

  10.26554/sti.2023.8.2.305-311

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  Formulation and Evaluation of Azithromycin Dihydrate Solid Dispersion with Esther of Polyethylene Glycol-6000 and Stearic Acid Using A Co-Grinding Technique

  Mardiyanto, Budi Untari, Ady Mara, Nauval Hady Prasetyo

  312-320

  Abstract View : 344

  Download :236

  10.26554/sti.2023.8.2.312-320

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  Spatial Autoregressive Quantile Regression with Application on Open Unemployment Data

  Ferra Yanuar, Tasya Abrari, Izzati Rahmi HG, Aidinil Zetra

  321-329

  Abstract View : 344

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  10.26554/sti.2023.8.2.321-329

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  The Relationship of Multiset, Stirling Number, Bell Number, and Catalan Number

  Wamiliana, Attiya Yuliana, Fitriani

  330-337

  Abstract View : 250

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  10.26554/sti.2023.8.2.330-337

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