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All Journal Natural B Jurnal Penelitian Pendidikan IPA (JPPIPA)
Johan Andoyo Effendi Noor
Brawijaya University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Environmental Science Materials Science & Nanotechnology Physics

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The Effect of Egg White Addition to Increase the Tensile Strength of Organic Planting Ribbons Lintang Ayu Rengganingrum; Johan Andoyo Effendi Noor; Lailatin Nuriyah
Natural B, Journal of Health and Environmental Sciences Vol 5, No 1 (2019)
Publisher : Natural B, Journal of Health and Environmental Sciences

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

Abstract

Egg white contains high protein. Egg white acts as supporting matrix as well as adhesive and organic preservation. Organic planting ribbon based on mixture of water hyacinth with banana stalk is a supporting material for planting purpose, especially for rice planting system. This ribbon is in the form of a rice seed filled ribbon. The application of organic rolling tape in rolls and then lengthwise requires a high level of tensile strength so as not to tear easily. Variations of egg white composition are added to the organic planting tape to increase the value of its tensile strength. The tensile strength test was performed by Force Gauge physical properties i.e. shape, modulus, and density to determine density and strength of adding egg white as a matrix amplifier on the organic plant tape filler. Measurements were made by simulating the planting of rice planted with organic tuna with egg white and without egg whites which watered once every five days for sixty days. The results obtained are compared for analysis and drawn conclusions. The best data obtained for the addition of 250 grams of egg whites respectively for the value of tensile strength of 0.112 N / mm (before planting simulation) and 0.058 N / mm (after planting simulation) with the ability to survive around the age of 50 days.
Impact of In-House Bolus Thickness on The Percentage of Surface Dose for 10 and 12 MeV Electron Beams Sigma Nur Rismawati; Johan Andoyo Effendi Noor; Yuyun Yueniwati; Fatimah Kunti Hentihu; Margaretha Berek; Ayu Hardianti Pratiwi; Karimah Karimah
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 6 (2022): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i6.2344

Abstract

The surface dose on electron irradiation which is received by the skin does not reach 100%, so a bolus is needed as a compensator material in order to reach or approach 100%. This study aims to create, test, and describe the effect of different thicknesses of boluses that are made of 3D printed TPU, silicone sealant and resin on equivalence with tissue and the percentage of surface dose produced. A bolus with a size of 15x15 cm2 and with variations in thickness of 0.3 cm, 0.5 cm, and 1 cm was imaged by a CT-Scan to analyze the CT-Number value and relative electron density using imageJ software. After that, the bolus was irradiated by a Linac with an energy of 10 MeV and 12 MeV to measure the surface dose using an advances marcus detector. The result of this study showed that 3D printed TPU, silicone sealant and resin are similar to some soft tissues. Silicone sealant has the highest flexibility of the two boluses. In addition, silicone sealant also produces the highest increase in the percentage of surface dose in phantom.
Co-Authors Ayu Hardianti Pratiwi Fatimah Kunti Hentihu Karimah Karimah Lailatin Nuriyah Lintang Ayu Rengganingrum Margaretha Berek Sigma Nur Rismawati Yuyun Yueniwati