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Nining Betawati Prihantini
Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, Kampus UI, Depok, 16424, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Materials Science & Nanotechnology Physics

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Biomass Production of Subang Isolated Scenedesmus in Tube-shaped Photobioreactor with the Exposure of Audible Sound (Music): Photobioreactor Improvement Strategy Rubiantin Mesha Nauli Tambunan; Nining Betawati Prihantini
Jurnal Penelitian Pendidikan IPA Vol 9 No 3 (2023): March
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i3.2765

Abstract

The cultivation of Subang Isolated Scenedesmus in tube-shaped photobioreactors (PBRs) with the exposure of audible sound (music) was done. The study was done to know the effect of different music to the growth and culture appearance of Subang Isolated Scenedesmus. Subang Isolated Scenedesmus itself is Indonesia’s indigenous microalgae from Subang, West Java. This study was using three groups of Subang Isolated Scenedesmus PBRs. One group was control group and not exposed to any sound (Control-PBR), one group was exposed to music called “Blues for Elle” (PBR-A), and another group was exposed to music called “Bloom” (PBR-B). Based on 8 days of observation, it is known that Subang isolated Scenedesmus in PBR-A has the highest average cell density at the peak phase (1.81±0.16 x 105 cells/mL), highest growth rate (26.22 % per day), and most intense green color compared to Subang isolated Scenedesmus in PBR-B and Control-PBR. Related-Samples Friedman’s Two-Way ANOVA by Ranks test has proven that the average cell density value of Subang isolated Scenedesmus in Control-PBR, PBR-A, and PBR-B are not the same (α = 95%, sig = 0.013). Therefore, different audible sound (music) with certain intensity and frequency may affect the growth of Subang Isolated Scenedesmus differently
Possible Usage of Various Microalgae Species from Rawa Besar Small Lake as Aquaculture Feedant Fadhlurrahman Maulana; Nining Betawati Prihantini
Jurnal Penelitian Pendidikan IPA Vol 9 No 3 (2023): March
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i3.2768

Abstract

One of Rawa Besar Small Lake’s roles for the surrounding community is as a fishing spot. Locals would often go fishing at the edges of the small lake. The ability of a lake to provide fishes to catch is partly due to the availability of food in the ecosystem, most importantly the microalgae community as the main producer in the freshwater food web. This concept is used in aquaculture as a way to obtain a more sustainable ingredient for feedant. Microalgae are used for aquaculture feedant due to its nutritional value. However, it is important to assess the safety and suitability of microalgae used for feedant due to the difference in toxicity and nutritional value of various microalgae species. Observation of the water samples taken from Rawa Besar Small Lake shown that potential microalgae species like Kirchneriella and Arthrospira lives in Rawa Besar Small Lake. However, toxic microalgae species like Planktothrix has been found in said water sample as well. Isolation of potential species is necessary in order to produce a healthy feedant for aquaculture out of Rawa Besar Small Lake’s microalgae community
Co-Authors Fadhlurrahman Maulana Rubiantin Mesha Nauli Tambunan