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AL-ULUM: JURNAL SAINS DAN TEKNOLOGI
Published by Universitas Islam Kalimantan Muhammad Arsyad Al Banjari
ISSN : -     EISSN : 24774731     DOI : 10.31602
Core Subject : Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Decision Sciences, Operations Research & Management Energy
Al Ulum: Jurnal Sains dan Teknologi = Al Ulum: Journal of Science and Technology (JST) is an international and open access journal with registered number ISSN 2477-4731 (Online). JST is a peer-reviewed journal published three times a year (April, August and December) by UPT Publication and Journal Management, Islamic University of Kalimantan. JST is intended to be the journal for publishing articles reporting the results of science and technology research. The JST invites manuscripts in the various topics of science and technology include natural sciences, engineering, computer science and technology, health and medical sciences, and agriculture.
Arjuna Subject : Umum - Umum
Articles 7 Documents
 1 
Search results for , issue "Vol 11, No 1 (2025)" : 7 Documents clear
SYNTHESIS AND CHARACTERIZATION OF NiO-TiO2/GRAPHENE AS A CANDIDATE ANODE FOR LITHIUM-ION BATTERY DEVELOPMENT Muh Edihar; Kaharuddin Kaharuddin; Irwan Irwan; Muhammad Nurdin; Maulidiyah Maulidiyah; Shohibul Faqih; Mawaddah Zaqinah Diah; Thamrin Azis
AL ULUM: JURNAL SAINS DAN TEKNOLOGI Vol 11, No 1 (2025)
Publisher : UPT Publication and Journal Management, Islamic University of Kalimantan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31602/jst.v11i1.18363

Abstract

This study synthesizes and characterizes NiO–TiO₂/graphene nanocomposites as anode materials to enhance the performance of lithium-ion batteries (LIBs). The composite was prepared using NiO precipitation, TiO2 annealing, and hydrothermal methods. FTIR analysis identified -OH stretching vibrations at 3313.63 cm-1 and Ni-O/Ti-O bonds at 624 cm-1, confirming metal oxide formation. XRD revealed anatase TiO2 phases at 2θ = 25° and 48° with (101) and (200) planes, rutile phases at 2θ = 27°, 36°, and 54° with (110), (101), and (211) planes, and peaks for graphene (2θ = 43°) and NiO (2θ = 62° and 70°). SEM-EDX showed uniform nanoparticle morphology with Ti, O, Ni, and C elements. Cyclic voltammetry indicated a 5% capacity increase per cycle over five cycles, with oxidation at 0.75 V and reduction at -0.75 V. The composite demonstrated excellent electrochemical stability and enhanced storage capacity, highlighting its potential as an anode material for LIBs.
THE EFFECT OF JAKABA FERTILIZER ON THE GROWTH OF SPINACH PLANTS (Amaranthus viridis) Khairunisa Khairunisa; Farhanah Shofwah Verina; Feby Djumaita Sari; Nadira Nadira; Azwir Anhar
AL ULUM: JURNAL SAINS DAN TEKNOLOGI Vol 11, No 1 (2025)
Publisher : UPT Publication and Journal Management, Islamic University of Kalimantan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31602/jst.v11i1.18548

Abstract

Green spinach is a vegetable with vitamin, protein, fat, carbohydrates, potassium, and important minerals such as calcium, phosphorus, and iron. Jakaba is one of the organic fertilizers. Jakaba fertilizer made from the fermentation of the first rice washing water, is a promising alternative to inorganic fertilizer. Rice washing water contains nutrients such as N, P2O5, K2O, and C-organic which play a role in plant growth. This study aims to determine the effect of Jakaba fertilizer on the growth of spinach (Amaranthus viridis). The method used in this study is the experimental method. By using a non-factorial Completely Randomized Design (CRD) consisting of 5 treatments, with 4 replications. The results of the study showed that Jakaba fertilizer has a major impact on the growth of spinach because it contains macronutrients as well as other micronutrients. The best spinach plant growth was shown in P3, which is 60 ml Jakaba/500 ml water.
ENVIRONMENTAL IMPACT ANALYSIS OF QUARRYING ACTIVITIES IN SUNGAI DUKU, PADANG PARIAMAN, IN TERMS OF BIOLOGICAL COMPONENTS Farhanah Shofwah Verina; Vauzia Vauzia; Khairunisa Khairunisa; Ardelia Febriana
AL ULUM: JURNAL SAINS DAN TEKNOLOGI Vol 11, No 1 (2025)
Publisher : UPT Publication and Journal Management, Islamic University of Kalimantan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31602/jst.v11i1.18418

Abstract

Non-metallic mineral and rock (category or class C) mining activities have the potential to generate significant environmental impacts, particularly on biological components. This study aims to assess the impact of class C mining activities in the Duku River, Padang Pariaman. A qualitative descriptive analysis method was employed, with data collected through observation, documentation, and interviews conducted at the study site. Based on the results, the flora diversity index calculated using the Shannon–Wiener method was 2.218, while the fauna diversity index was 2.186. These values fall within the moderate category of biodiversity. Therefore, it can be concluded that class C mining activities in the Duku River have a measurable impact on biological components.
Front Matter Al Ulum: Journal of Science and Technology Vol. 11, No. 1, April 2025 Front Matter
AL ULUM: JURNAL SAINS DAN TEKNOLOGI Vol 11, No 1 (2025)
Publisher : UPT Publication and Journal Management, Islamic University of Kalimantan

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

Abstract

DEVELOPMENT OF BAITUSSHOLIHIN MOSQUE INFORMATION SYSTEM BASED ON ANDROID WITH THROW AWAY PROTOTYPING METHOD Welia Desera Mandalika; Ali Ikhwan; Muhamad Alda
AL ULUM: JURNAL SAINS DAN TEKNOLOGI Vol 11, No 1 (2025)
Publisher : UPT Publication and Journal Management, Islamic University of Kalimantan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31602/jst.v11i1.18455

Abstract

The Baitussholihin Mosque information system is an Android-based application designed to store various types of data, including lecture videos, prayer schedules, and activity agendas, through the features and menus available in the app. This application helps mosque administrators store important data more effectively, reducing the risk of losing it. The research employs a qualitative research method, with data collection techniques including observation, interviews, and literature studies. The system development method used is the Throwaway Prototyping Method. The application that has been developed successfully organizes and provides important data reports based on the mosque's needs.
APPLICATION OF MARKET BASKET ANALYSIS ON HAJI UMAR STORE’S SALES DATA USING THE APRIORI ALGORITHM Salsabilla Sadedin Nasution; Aninda Muliani Harahap; Adnan Buyung Nasution
AL ULUM: JURNAL SAINS DAN TEKNOLOGI Vol 11, No 1 (2025)
Publisher : UPT Publication and Journal Management, Islamic University of Kalimantan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31602/jst.v11i1.18456

Abstract

Science and technology have advanced significantly, leading to an increased reliance on digital information and technology in nearly all aspects of human activity and work, including the micro, small, and medium enterprise (MSME) sector. This study aims to support an MSME, namely Haji Umar Store, in preparing for growing market demands and enhancing its marketing capabilities through the development of a website-based Sales Information System integrated with a Product Recommendation Feature. The research employs a Research and Development (R&D) approach to create a website as the primary product. To implement the Product Recommendation Feature, the study utilizes market basket analysis, a method used to examine consumer purchasing patterns. This analysis is carried out using the Apriori algorithm. The results indicate the identification of 45 valid product combinations that can be utilized in the recommendation feature, providing suggestions when consumers purchase related items.
EFFECT OF DPPH CONCENTRATION VARIATION ON ANTIOXIDANT ACTIVITY OF EXTRACT OF RASAM FERN LEAF (Dicranopteris linearis) Henny Nurhasnawati; Risa Supriningrum; Ardani Ardani
AL ULUM: JURNAL SAINS DAN TEKNOLOGI Vol 11, No 1 (2025)
Publisher : UPT Publication and Journal Management, Islamic University of Kalimantan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31602/jst.v11i1.18488

Abstract

Dicranopteris linearis (rasam fern) is known to contain flavonoid compounds that exhibit significant antioxidant activity. In this study, the antioxidant potential of rasam fern leaf extract was assessed using the DPPH assay at three different concentrations: 30 ppm (P1), 40 ppm (P2), and 50 ppm (P3). Phytochemical screening confirmed the presence of flavonoids, tannins, and saponins in the extract. The IC50 values obtained for each treatment were as follows: P1 = 8.37 ppm, P2 = 12.31 ppm, and P3 = 13.57 ppm, all of which fall within the category of very strong antioxidant activity. Statistical analysis using one-way ANOVA revealed a significant difference in IC50 values among the three DPPH concentrations. These results indicate that variations in DPPH concentration significantly influence the IC50 values, thereby affecting the accuracy and interpretation of antioxidant activity measurements.

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