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Makara Journal of Science
Published by Universitas Indonesia
ISSN : 23391995     EISSN : 23560851     DOI : https://doi.org/10.7454/mss
Core Subject :
Makara Journal of Science publishes original research or theoretical papers, notes, and minireviews on new knowledge and research or research applications on current issues in basic sciences, namely: Material Sciences (including: physics, biology, and chemistry); Biochemistry, Genetics, and Molecular Biology (including: microbiology, physiology, ecology, taxonomy and evolution); and Biotechnology.
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Articles 6 Documents
 1 
Search results for , issue "Vol. 7, No. 2" : 6 Documents clear
ISOLASI DAN KARAKTERISASI SENYAWA KIMIA DARI EKSTRAK n-HEKSAN KULIT BATANG Garcinia rigida Elya, Berna
Makara Journal of Science Vol. 7, No. 2
Publisher : UI Scholars Hub

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Abstract

Garcinia rigida, stogmasterol, triterpen, oleanolic acid.
ISOLASI DAN IDENTIFIKASI FLAVONOID PADA DAUN KATU (Sauropus androgynus (L.) Merr) Wijono, Sri Harsodjo
Makara Journal of Science Vol. 7, No. 2
Publisher : UI Scholars Hub

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Abstract

Isolation and Identification of Flavonoid in Katu Leaf (Sauropus androgynus (L.) Merr. Flavonoids in 95% ethanol extract of katu leaf were isolated using Charaux-Paris method. Extract of 95 % ethanol was fractionated with chloroform, ethyl acetate and three times with n-butanol. Flavonoids to be isolated from n-butanol I fraction by chromatography paper preparative method, and identified by spectrophotometer UV (Ultra-Violet) and infrared. Six flavonoids were isolated, one of flavonoids identified as rutin, and the other five were flavonol OH-3 conjugated or flavon groups.
PENGARUH MUSIM TERHADAP PLANKTON DI PERAIRAN RIAU KEPULAUAN DAN SEKITARNYA Thoha, Hikmah
Makara Journal of Science Vol. 7, No. 2
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Abstract

Seasonal influenzed on plankton of the waters around Riau islands. The observation was conducted during April - May 2002. This study was done in relation with observation on environment quality of the waters around Riau Islands. The parameter observed were focus on the plankton communities for tweentyfives points of stations which were grouped into two zone based on the distance of the each station. Plankton abundance varied with location groups from 50- 90 % respectively. Community structure was dominated by the group of diatoms such as Chaetoceros, Dytilum, Nitzschia, Thalassionema, Thalassiothrix and the genus Ceratium (the group of Dinoflagellata). Community structure of zooplankton was dominated by the group of Copepods (45 – 90 %) and Polychaeta, Chaetognata, Bivalvia, Gastropods and Oikopleura (more than 90 %). The results describe the relationship between the water environmental condition and variation of plankton condition
EFFECTS OF PROTEIN-ENERGY MALNUTRITION ON THE IMMUNE SYSTEM Amir, Mellova Amir
Makara Journal of Science Vol. 7, No. 2
Publisher : UI Scholars Hub

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Abstract

Protein-Energy Malnutrition (PEM) is believed to lead to an increased susceptibility to infection, or cause impaired immunity. Infection, occurring with malnutrition, is a major cause of morbidity in all age groups and is responsible for two-thirds of all death under 5 yr of age in developing countries. Many cells of the immune system are known to depend for their function on metabolic pathways that employ various nutrients as critical factors. The most consistent changes in immune competence in PEM are in cell-mediated immunity, the bactericidal function of neutrophils, the complement system, the secretory immunoglobin A, and antibody response
PEMANTAUAN KONDISI HIDROLOGI DI PERAIRAN RAHA P. MUNA SULAWESI TENGGARA DALAM KAITANNYA DENGAN KONDISI TERUMBU KARANG Edward, Edward; Tarigan, Z
Makara Journal of Science Vol. 7, No. 2
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Abstract

Monitoring On Hydrology Condition In Raha Waters Muna Island and Its Relation to Coral Reef Condition. Monitoring on hydrology condition in Raha waters Muna Island, Southeast of Sulawesi were carried out on May and June 2001. The results showed that the temperature vary between 27.80-30.39 oC, salinity between 30.0-32.9 ppt, suspended solid between 70-80 ppm, transparency between see bottom – 8,5 m, nutrient phosphate between 0.13-1.79 mg/l, nitrate between 0.20-2.66 mg/l, dissolved oxygen between 3,68-4.53 ppm, and pH between 7.4-8.2. The values are still good for coralreef growth and development, and still in good agreement with government criteria for miscellaneous purpose. The variation of hydrology condition is not the caution of coral reef damage in Raha waters.
PENGARUH MUSIM TERHADAP FLUKTUASI KADAR FOSFAT DAN NITRAT DI LAUT BANDA Edward, Edward; Tarigan, M. M.
Makara Journal of Science Vol. 7, No. 2
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Abstract

The Influence of Season to Nitrate and Phosphate Content Eutrophication in Banda Sea. Observation on phosphate and nitrate nutrient content were carried out in May, August, November, 1996 and February 1997 in Banda Sea. The results showed the averages content of phosphate and nitrate in August is higher compared to May, November and February. Phosphate content in August 1.492 mg.at/l, while in May, November and February are 1.025 mg.at/l, 0.878 mg.at/l and 0.766 mg.at/l. Nitrate content in August is 1.932 mg.at/l, while in May, November and February are 0.975 mg.at/l, 0.804 mg.at/l and 0.670 mg.at/l respectively. This result fixed with statistical Analysis (Randomized Block Anova) (Fh > F t 1%). This condition is caused by upwelling process in Banda Sea at that time.

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