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All Journal Lantanida Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Samakia: Jurnal Ilmu Perikanan Jurnal Pengabdian Nasional (JPN) Indonesia KATALIS: Jurnal Penelitian Kimia dan Pendidikan Kimia Jurnal Pengabdian Nasional (JPN) Indonesia
Said Ali Akbar
Universitas Syiah Kuala
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Environmental Science Immunology & microbiology Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Physics Social Sciences Other

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Journal : Lantanida Journal

 1 
VARIASI SUMBER KARBON TERHADAP PRODUKSI BIOSURFAKTAN OLEH BAKTERI HALOFILIK ISOLAT TAMBAK GARAM KAJHU ACEH BESAR Rahmad Rizki Fazli; Latifah Hanum; Mieke Alvionita; Said Ali Akbar
Lantanida Journal Vol 10, No 1 (2022)
Publisher : UIN AR-RANIRY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/lj.v10i1.14108

Abstract

This research has isolated one type of halophilic bacterial strain from the salt pond of Kajhu Village with the code KJ-AB2. This bacterium grew optimally at 10% (w/v) NaCl so it was classified as moderate halophilic bacteria. Several types of halophilic bacteria are known to produce biosurfactants. Biosurfactants are surface active agents that are widely used in several pharmaceutical, food dan petroleum industries. The production of biosurfactants is strongly influenced by the type of carbon source used for bacterial growth. Olive oil, palm oil, sunflower oil, glucose dan glycerol are types of carbon sources used to see their effect in producing biosurfactants. This isolate growed well on the five carbon sources with an average OD600 2.001±0.293 at 72 hours of fermentation. Biosurfactant production was measured by oil spreading test (OST) every 24 hours until 120 hours of fermentation. The highest OST value was obtained when KJ-AB2 isolate was grown on biosurfactant production media using olive oil, sunflower oil dan palm oil with an average OST value of 5.6±0.6 cm, 4.7±0.6 cm, dan 4.6±0.7 cm, respectively.
TINJAUAN LITERATUR: BIOAKUMULASI LOGAM BERAT PADA IKAN DI PERAIRAN INDONESIA Said Ali Akbar; Hanis Kusumawati Rahayu
Lantanida Journal Vol 11, No 1 (2023)
Publisher : UIN AR-RANIRY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/lj.v11i1.17834

Abstract

Heavy metals are frequently employed in a variety of industries, including industry, agriculture, food processing, and domestic appliances. Heavy metal concentrations will be extremely high in locations with residential, mining, and manufacturing activity. The concentration of heavy metals in fish reflects the state of heavy metal pollution in the ecosystem. Heavy metal accumulation in aquatic creatures' organs can occasionally exceed the level of heavy metals in their environment. The purpose of this literature review is to give information on the bioaccumulation of heavy metals in fish in Indonesian seas. 38 fish species were recorded, and literacy parameters in the form of sample locations and levels, units and types of heavy metals discovered were summarized. Pb > Cd > Hg > Cu > As > Zn > Cr > Mn > Fe is the order of metal abundance discovered. It is advised that heavy metal contamination studies be carried out in the future as part of the government's strategy for tracking down this problem.
Co-Authors Ainun Mardhiah Alvionita, Mieke Dedi Fazriansyah Putra Hanis Kusumawati Rahayu Hasby Hasby Ichsan Rusydi Kavinta Melanie Latifah Hanum Miya Audina Putri Muttakin Nispi Mawaddah Rahmad Rizki Fazli Sri Ismulyati