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All Journal Populis : Jurnal Sosial dan Humaniora Jurnal Techno Bahari ARMATUR : Artikel Teknik Mesin dan Manufaktur Agro Tatanen Jurnal HUMANIS Jurnal Umum Pengabdian Masyarakat (JUPEMAS) ROCE : Jurnal Pertanian Terapan Jurnal At-Ta'bir Jurnal Pendidikan Bahasa Arab
Amarullah
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THE ROLE OF ADOLESCENT POSYANDU IN IMPROVING ADOLESCENTS' KNOWLEDGE AND CONCERN TOWARDS HEALTH IN RAHAYU VILLAGE, SOKO DISTRICT, TUBAN REGENCY Amarullah; Nurul Jariyatin; Sony Aditya Kusuma; Zuhryansah
Jurnal Humanis ( Jurnal Pengabdian Masyarakat ISTeK ICsada Bojonegoro) Vol. 10 No. 1 (2025): Jurnal HUMANIS
Publisher : LPPM ISTeK ICsada Bojonegoro

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Abstract

Adolescent Posyandu is a program that aims to improve adolescent knowledge and awareness of health through counseling and providing relevant health services. This study aims to examine the role of Adolescent Posyandu in Rahayu Village, Soko District, Tuban Regency, in improving adolescent knowledge about health and encouraging their awareness of health problems. This program is the result of collaboration between Pertamina EP and ISTek ICsada Bojonegoro. This study used a survey method with a qualitative approach. The results showed that the Adolescent Posyandu in Rahayu Village succeeded in increasing adolescent knowledge and awareness of healthy lifestyles, reproductive health, and the importance of exercise and balanced nutrition. Participants who participated in adolescent posyandu activities ranged from 20-25. However, improvements are still needed in terms of active participation of adolescents and utilization of health services available at the Posyandu.
SENSORY AND CHEMICAL PROPERTIES OF SHRIMP HEAD WASTE–BASED BIOFLAVOR: KARAKTERISTIK SENSORI DAN KIMIA BIOFLAVOR BERBASIS LIMBAH KEPALA UDANG Insani, Sri Ayu; Wahdania; Anhar Rozi; Uswatun Hasanah; Amarullah
ROCE : Jurnal Pertanian Terapan Vol. 3 No. 1 (2026): JPT ROCE 5, 2026
Publisher : PT. ROCE WISDOM ACEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71275/roce.v3i1.174

Abstract

Shrimp head waste is a byproduct of the fishing industry that could be used as a raw material for natural flavorings. This study aims to determine the yield, chemical characteristics, and sensory acceptance of bioflavor powder derived from shrimp head waste as an alternative to MSG. The bioflavor production process includes drying, grinding, and sieving. Parameters analyzed include yield, moisture content, ash content, protein content, and organoleptic tests (color, aroma, texture, and appearance). The results of the study indicate that shrimp head bioflavor powder yields 47.7%, with a moisture content of 3.7%, an ash content of 29.84%, and a protein content of 50.93%, which meet the quality requirements of SNI fishmeal. The organoleptic test showed an average hedonic value of 8.24, placing it in the highly liked category for panelists. Based on these results, shrimp head waste-based bioflavor powder has good chemical and sensory qualities and shows potential as a natural food additive to replace MSG, making it nutritious and environmentally friendly.
Pengaruh Variasi Waktu Sputtering Terhadap Karakteristik Mekanik dan Evolusi Struktur Mikro Baja AISI 4140 Mutaqin, Niki Agastia; Amarullah
ARMATUR : Artikel Teknik Mesin & Manufaktur Vol. 7 No. 2 (2026): Jurnal Armatur (in Progress)
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/armatur.v7i2.11127

Abstract

AISI 4140 steel is a high‑strength, low‑alloy material commonly used in mechanical components subjected to high load and friction. Although its bulk properties are favorable, surface modification is often required to enhance wear resistance and prolong service life. This study investigates the influence of DC sputtering Titanium Nitride (TiN) deposition time on the mechanical performance and microstructural evolution of AISI 4140 steel. The experimental procedure varied sputtering times at 30, 60, 90, 120, and 150 minutes while maintaining constant processing parameters. Characterization techniques included Vickers hardness testing, wear testing, and SEM–EDX analysis to evaluate coating morphology and coating–substrate interface quality. The results indicate that TiN deposition significantly enhances surface hardness compared to the uncoated substrate. The maximum hardness value of 186.66 VHN was achieved at 60 minutes of deposition, corresponding to a dense, uniform coating with strong adhesion. Prolonged deposition times, however, led to decreased hardness and increased wear rate, attributed to excessive coating thickness, microstructural non-uniformity, and the formation of micro-defects. SEM observations corroborate these findings by revealing notable variations in coating morphology and interface integrity across deposition durations. Overall, the study concludes that sputtering time is a critical parameter in optimizing TiN coatings to improve the surface performance of AISI 4140 steel for engineering applications.
Laundry Drying Chambers with Greenhouse Effect (GHE) Utilization Hadiwijaya, Lukman; Furqon, Muhammad; Amarullah; Hamid, Abdul; Dwi Kurniasih, Agustia; Jakfar, Amin; Fikri, Mohammad Anas
Techno Bahari Vol. 12 No. 2 (2025): Oktober
Publisher : Politeknik Negeri Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52234/tb.v12i2.388

Abstract

The greenhouse effect is defined as an increase in the earth's temperature. The increase in the earth's temperature is caused by the trapping of long-wave (infrared) sunlight by greenhouse gases. The greenhouse effect (GHG) is in the troposphere, which is the atmospheric layer on the earth's surface. The purpose of making a dryer by utilizing the greenhouse effect as a medium to help overcome the problem of drying clothes that have been relying on solar heat. But it is different when the rainy season arrives, by utilizing solar heat energy and managing it in such a way by using the greenhouse effect system (Green House Effect). In this research, we found that equipment with a base material made of glass can absorb heat faster, because the glass material has a fairly high thermal conductivity value. By applying heat transfer study materials, so that the trapped heat can be used as one of the sources of disposable dryers. Providing an exhaust fan on the roof of the tool as a mass transfer medium for evaporation of water in the dryer. The size of the tool to be made is 200 x 180 x 60 cm using a frame and galvanized glass. The efficiency obtained from the dryer is 8.98% in cloudy and 8.94% in sunny weather.
Electrolysis Using Magnesium and Copper Electrodes: A Study of Voltage, Current, and Light Intensity Putrawardana, Ulika Trijoga; Amarullah; Masruroh, Ulil; Kriswahyudi, Yoga; Furqon, Muhammad; Afandi, Achmad
Techno Bahari Vol. 12 No. 2 (2025): Oktober
Publisher : Politeknik Negeri Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52234/tb.v12i2.402

Abstract

This research aims to develop a lighting system that utilizes seawater as an electrical energy source through the electrolysis process. Two metals, copper and magnesium, are used as electrodes that generate DC voltage when immersed in seawater. The output voltage from this process is relatively low, so a boost converter circuit is employed to increase the voltage level sufficiently to power a lamp. The converter circuit is designed using electronic components such as an inductor, diode, capacitor, and transistor to regulate and stabilize the output voltage. The experimental results show that the system can produce up to 5 watts of power and successfully illuminate a lamp with optimal brightness. This study demonstrates that combining seawater electrolysis with an electronic voltage-boosting circuit can serve as a simple and effective renewable energy alternative, particularly for coastal areas that are not yet connected to conventional electricity networks.
Co-Authors Abdul Hamid Abdul Rahim Achmad Afandi, Achmad Aditya Murtilaksono Adiwena, Muh amar, sony Anhar Rozi Dwi Kurniasih, Agustia DWI SANTOSO Fikri, Mohammad Anas Gustiani, Widya Hadiwijaya, Lukman Hasanah, Fatiatul Ilmi, Fauziah Insani, Sri Ayu Jakfar, Amin Jariyatin, Nurul Kriswahyudi, Yoga Kusuma, Sony Aditya Masruroh, Ulil Maswani Melati, Latifa Sukma MUHAMMAD FURQONI Mumpuni Anggrayni, Irra Mutaqin, Niki Agastia Nonon Saribanon Nurul Nurul Jariatin Nurul Jariyatin Prabandari, Hanna Puji Sumeh Pangestu Putrawardana, Ulika Trijoga Rafsanzani, Muhammad Firdaus Siregar, Zuhriansyah Sony Aditya Kusuma Ubaid Ridlo USWATUN HASANAH Wahdania Zuhriansyah Zuhryansah