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All Journal Jurnal Integrasi Sains dan Qur'an (JISQu)
Elnino Profetika Zarathrustra
SMA Trensains Muhammadiyah Sragen
Religion Agriculture, Biological Sciences & Forestry Education Environmental Science Other

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Corn Cob (Zea Mays L.) Bricket with the Addition of Lemongrass (Cymbopogon Nardus L.) as a Natural Mosquito Repellent Ahmadan Ilham Maulana; Elnino Profetika Zarathrustra; Agus Widayoko
Jurnal Integrasi Sains dan Quran Vol 1 No 1 (2022): Februari
Publisher : SMA Trensains Muhammadiyah Sragen

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Abstract

Various alternative materials have been found and utilized by the community, such as biogas and biomass. One of them that has been used is briquettes. The purpose of this study was to determine the manufacturing process and advantages of corn waste briquettes with the addition of lemongrass. This type of research is a combination of descriptive research with literature review. The focus of the research description is the manufacture of mosquito repellent briquettes and strengthened by analysis of literature studies to analyze the content of lemongrass which can repel mosquitoes. This research is the result of observations on the manufacture of corncob briquettes (Zea Mays L.) combined with the addition of lemongrass (Cymbopogon Nardus L.) with the aim of providing added value to the briquettes, that can also be used to repel mosquitoes. Analysis of the use is that each combustion produces carbon dioxide. By taking advantage of the nature of gas particles whose shape and volume are always changing, researchers add value to the results of the combustion. Thus, the carbon dioxide produced contains active substances contained in lemongrass, namely citronellal, geraniol, and silica from combustion. Silica is toxic when it hits insects (mosquitoes) and can cause death because mosquitoes will lose fluids continuously (dehydration). The aroma of briquette smoke can be used as aroma therapy. Another great benefit is that it can teach the community about making briquettes which can also be used as mosquito repellent.
Testing the Dielectric Permittivity Value of Three Layer Medical Mask Cloth Material with Arduino Uno Microcontroller Instrumentation System Based on Parallel Plate Capacitors Firjatullah Akbar Putra Budiman; Elnino Profetika Zarathrustra; Agus Widayoko; Frengki Prabowo Saputro Wijayanto
Jurnal Integrasi Sains dan Quran Vol 2 No 02 (2023): Agustus
Publisher : SMA Trensains Muhammadiyah Sragen

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The outbreak of the Covid-19 virus has caused a buildup of mask waste, especially medical masks. The use of medical mask waste as a dielectric material in capacitors can be an alternative solution to reduce the amount of mask waste. The purpose of this study was to find out the procedure for testing the dielectric permittivity value of mask cloth materials and find out the value resulting from the test. This study used parallel plates with a size of 30 x 40 cm with a thickness of 0.1 mm as capacitor electrodes. The use of the Arduino Uno microcontroller device in this study functions as a reader of the capacitance values ​​on parallel plate capacitors. The resulting capacitance value will be processed to determine the permittivity value of the dielectric material using the applicable formula or formula. This study uses two principles of capacitor stages, namely charging and discharging. The test was carried out by testing the value of each layer of the mask with three repetitions. The results showed that there were differences in the dielectric permittivity values ​​for each layer of the mask cloth. The dielectric permittivity value of the outer layer which is made from a hydrophobic non-woven layer is 1.681667, the middle layer is made from a melt blown filter of 1.860667, while the inner layer which is made from a soft absorbent non-woven layer has a permittivity value of 0. 9395. It can be concluded that the highest dielectric permittivity value is owned by the middle layer while the lowest dielectric permittivity value is owned by the inner layer. The results of this study can be used as a reference for the permittivity values ​​of materials for further research development.
Co-Authors Agus Widayoko Ahmadan Ilham Maulana Firjatullah Akbar Putra Budiman Frengki Prabowo Saputro Wijayanto