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Jurnal Biologi Universitas Andalas
Published by Universitas Andalas
ISSN : -     EISSN : 23032162     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Arjuna Subject : -
Articles 13 Documents
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Search results for , issue "Vol 2, No 2 (2013)" : 13 Documents clear
Struktur Histologis Insang dan Kadar Hemoglobin Ikan Asang (Osteochilus hasseltii C.V) di Danau Singkarak dan Maninjau, Sumatera Barat Hari Marta Saputra; Netti Marusin; Putra Santoso
Jurnal Biologi Universitas Andalas Vol 2, No 2 (2013)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbioua.2.2.%p.2013

Abstract

A study on histological structure of gill and hemoglobin concentration of Silver Sharkminnow (Osteochilus hassletii C.V) in Singkarak and Maninjau Lakes, West Sumatera has been conducted from December 2012 to March 2013. This study aimed to determine the damage of histological structure of gill and haemoglobin concentration of O. hasseltii. We prepared slide preparation of gills to observe their damage structure, while hemoglobin concentration was counted/measured using Sahli method. The results showed various types of damage such as edema, loss of the epithelium on the secondary lamella, hyperplasia, fusion of secondary lamella, the loss of the secondary lamella structure, clubbing and thickening of elastic cartilage. Hemoglobin concentration of O. hasseltii ware 3.28% and 3.05 % for Singkarak and Maninjau respectively. There was no statistically significant difference between sampling sites for both of studied parameters.Keywords: Ostechilius hasseltii, gill histology, hemoglobin, Singkarak and Maninjau lakes
Penapisan Bakteri Termo-Amilolitik Dari Sumber Air Panas Sungai Medang, Kerinci, Jambi Devi Syafriyani; Anthoni Agustien; - Periadnadi
Jurnal Biologi Universitas Andalas Vol 2, No 2 (2013)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbioua.2.2.%p.2013

Abstract

This study aimed to observe the ability of isolated bacteria from Sungai Medang hot spring in producing amylase and to determine the activity and characteristic of isolated amylolytic bacteria which gave the highest amylolytic index. The water samples were collectied by using purposive sampling based on different level of temperatures. This study has successfully collected 48 bacterial isolated from the hot spring. To find the highest amylolytic activity, we tested ten isolated bacteria which have high amylolytic indices. We found that MV2.7 isolated from 740C of hot spring gave the highest amylolytic activity. The isolated bacteria was positive proteolytic, cellulolytic and negative lipolytic. The isolated bacteria showed higher and more spesific activity on rice starch rather than corn and sago starchKeywords: Screening, thermophilic, amylolytic, activity
Potensi Herpetofauna Dalam Pengobatan Tradisional Di Sumatera Barat Rivi Hamdani; Djong Hon Tjong; Henny Herwina
Jurnal Biologi Universitas Andalas Vol 2, No 2 (2013)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbioua.2.2.%p.2013

Abstract

The research about potential of herpetofauna on traditional medicine in West Sumatera was conducted from March to August 2012. This research was conducted at several districts in West Sumatera such as Batusangkar, Padang, Payakumbuh, Pasaman, Painan and Sijunjung. The survey and quisioner method were used by interviewing informan about the species of herpetofauna which were used in traditional medicine. A total of 5 reptilian species were recognized as medicine such as Eutropis multifasciata (Bingkaruang), Naja sumatrana (Ula sendok), Phyton reticulatus (Piton), Chelonia mydas (Katuang), Dogania subplana (Labi-labi) and one species of amphibian i.e Hylarana erythrea (Koncek hijau) from Ranidae.Keywords: potential, herpetofauna, tradicional medicine, West Sumatera

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