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All Journal AL KAUNIYAH JURNAL BIOLOGI INDONESIA Biosaintifika: Journal of Biology & Biology Education Lembaran Publikasi Minyak dan Gas Bumi

Irawan Sugoro

Pusat Aplikasi Teknologi Isotop dan Radiasi, BATAN Pasar Jumat

Author-ID : 389021

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Energy Environmental Science Materials Science & Nanotechnology

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Angsana (Pterocarpus indicus) sebagai Bioindikator untuk Polusi di Sekitar Terminal Lebak Bulus Waryanti, Waryanti; Sugoro, Irawan; Dasumiati, Dasumiati
Al-Kauniyah: Jurnal Biologi Vol 8, No 1 (2015): Al-Kauniyah Jurnal Biologi
Publisher : Department of Biology, Faculty of Science and Technology, Syarif Hidayatullah State Islami

Jakarta as one of the biggest city in Indonesia, it own more than 6.506.244 units of motor vehicles. The combustion of fossil fuels in motor vehicles can cause air pollution. Station is represented as one of heavy pollution location. The observation has be done by abservate the amount of vehicles, stomatal characteristic, and weight of dust on Angsana leaves, which growth around Lebak Bulus station. As the result, there is relation between weight of dust on leaf and stomatal characteristic, with r value = 1. The level weighat of dust on leaf has effect to stomata conditions, such as surface of stomata become smaller and shape of stomata become irregular, but amount and size of stomata didnâ€™t influenced. In some case, leaf can be identifid by visible symptoms of injury such as chlorotic at the leaf veins, which caused by SO2 or black or brown flecks at the leaf veins, which caused by NOx.

Pemanfaatan Urea sebagai Sumber Nitrogen pada Biosolubisasi Batubara oleh Trichoderma sp. Mulyawati, Novi; Pikoli, Megga Ratnasari; Sugoro, Irawan; Aditiawati, Pingkan
Al-Kauniyah: Jurnal Biologi Vol 6, No 2 (2013): Al-Kauniyah Jurnal Biologi
Publisher : Department of Biology, Faculty of Science and Technology, Syarif Hidayatullah State Islami

Lignite coal was found abundant in Indonesia, but usage for this type of coal was still relatively low. Economic value of coal increases when it is solubilized. Biosolubilization of coal by utilize of microbes produces compounds equivalent to petroleum. In this research, effect of urea on lignite biosolubilization by Trichoderma sp. was examined. Method of this research consisted of spore inoculum preparation, biosolubilization lignite coal with a variety of treatment that consists of treatment A (MSS + sucroseÂ 1% + coal 5% + urea), and treatment B (MSS + sucroseÂ 1% + coal 5%). Results showed that the addition of urea supported lignit coal biosolubilization by Trichoderma sp. based on increase in medium pH, concentration of phenolic and conjugated aromatic compounds, and activity of extracellular enzyme. In addition, result of product characterization using GCMS revealed compounds equivalent to 13,60%, 26,20% and 90,8% respectively for gasoline, kerosene and diesel components. Those confirmed that urea can be used as an alternative nitrogen source to support Trichoderma sp. in lignit biosolubilization producing petroleum compounds.

Co-Authors Dasumiati Dasumiati Dewi Elfidasari Dwiwahju Sasongko Effendi, Dahrul Effendi, Dahrul Haninah, Haninah Indriani, Dea Indriani, Dea Ismi, Laksmi Nurul KOSASIH KOSASIH, KOSASIH Megga Ratnasari Pikoli, Megga Ratnasari Novi Mulyawati, Novi PINGKAN ADITIAWATI Pratama, Byan Muslim Pratama, Byan Muslim Putri, Handhini Dwi Sandra Hermanto Shabira, Afina Putri Waryanti Waryanti, Waryanti Widjayanto, Bambang Agus Widjayanto, Bambang Agus

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