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All Journal Jurnal Ilmu Dasar Jurnal Penelitian Sains
Farahdina, Ulya
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Chemistry Control & Systems Engineering Mathematics Physics

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Electric Field Distribution Analysis of Blood Cancer as a Potential Blood Cancer Therapy Firdhaus, Miftakhul; Farahdina, Ulya; Zulfa, Vinda Zakiyatuz; Endarko, Endarko; Rubiyanto, Agus; Nasori, Nasori
Jurnal ILMU DASAR Vol 22 No 2 (2021)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jid.v22i2.19784

Abstract

Blood cancer causes a significant increase in the concentration of Leukocytes, which can be broken down through dielectrophoresis and electrochemical procedures. Therefore, the electric field plays an important role in the migration of leukocytes to high voltage areas. This is because different electrode arrangements produce varying electric field distributions. Furthermore, this study applied finite element methods to generate electric fields when electrodes with an AC voltage were applied to blood placed in a chamber. Therefore, in this study, variations of mediums and electrode arrangements were investigated, which led to the recommendation of 3 models. The objective was to investigate electrode arrangements that produce optimal electric field distribution for the three models to exhibit a booster of electric field distribution. The maximum electric field is generated close to the electrode (Z=2 mm and Z=92 mm) for any material (i.e. normal blood, B lymphocyte, and T lymphocyte) with values of 22.6 V/m and 23.47 V/m, 22.85 V/m and 22.97 V/m, and 24.88 V/m and 25.01 V/m. Based on principle, lymphocytes in the blood result in positive dielectrophoresis, since they migrate to a higher electric field close to the electrode, with enough input voltage to turn the electrochemical process on the leukocytes into electric current. Furthermore, this study provides new perspectives and ideas, which have not been revealed in previous studies on blood cancer therapy using the electric field of Ag electrode in blood cancer distribution.Keywords: blood cancer, dielectrophoresis, electric field, voltage, electrochemical, and cancer therapy.
SMART FISH DRYING: Solar-powered Automatic Salted Fish Production System Arini, Nadine Nova; Bisri, Shahwa Namira; Jaenuri, Jaenuri; Farahdina, Ulya
Jurnal Penelitian Sains Vol 27 (2025): Special Issue
Publisher : Faculty of Mathtmatics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56064/jps.v27i0.1188

Abstract

Due to weather instability in recent years, dried fish production in Indonesia has declined, while the quality of the produced dried fish remains low. To address this challenge, the authors introduce "SMART FISH DRYING," an automatic fish drying system based on a transparent greenhouse structure. This system uses acrylic walls and a convex lens roof that focuses sunlight. Inside "SMART FISH DRYING," fish are arranged on a stainless steel wire mesh table equipped with a humidity sensor that automatically rotates the table when the fish's moisture content on one side reaches 30%. When both sides reach the desired moisture level, an LED light and alarm activate, signaling that the dried fish is ready for harvesting. "SMART FISH DRYING" operates using solar cells connected to a battery, significantly reducing energy consumption and operational costs. Additionally, the system features a gas collection system to capture H?S compounds released during the drying process, which can be processed into pesticides. This process is monitored by an MQ136 gas sensor to measure the concentration of harmful compounds. Moreover, "SMART FISH DRYING" optimizes the moisture from the drying process through a distillation system to produce purified water as a byproduct. With this technology, dried fish production can be accelerated by two times compared to traditional methods, with a fourfold increase in profitability and a 20% improvement in product quality.Keywords: dried fish; convex lens; automatic; solar.
Co-Authors Agus Rubiyanto Arini, Nadine Nova Bisri, Shahwa Namira Endarko Endarko Firdhaus, Miftakhul Jaenuri Jaenuri Nasori, Nasori Zulfa, Vinda Zakiyatuz