Cover Depan.CDR


ISSN 1978-3477, eISSN 2087-8575
Volume 13, Number 4, December 2019

Antibacterial Activity Test of Indigenous Yeast from Sapodilla 

Fruit against Staphylococcus aureus and Escherichia coli

Citric Acid Production from Toba Banana Peel (Musa acuminata 

Colla) through Submerged Fermentation using Aspergillus niger

Gene Cloning of Xilanase Glycoside Hydrolase Family 11 from 

Bacillus halodurans CM1 in Escherichia coli DH5α

The Effect of Aeration Rate on the Growth of Blue Green 

Microalgae in Buffalo Dung as Alternative Media

Prevalence of Hepatitis B Virus Infection in Blood Donors Based 

on Titer Hepatitis B Surface Antigen Examination (HBsAg)

Gemilang Lara Utama, Mutiara Nabila, 

Heni Radiani Arifin, Elazmanawati 

Lembong, and Tita Rialita  

Meva Gustina E. Sidauruk, Surya Ningsih 

Hutauruk, Merry Meryam Martgrita, and 

Adelina Manurung   

Muhamad Taufiqul Naufal, Agustin Krisna 

Wardani, and Is Helianti       

Edwin Yonathan Gurning, Amos Imanuel, 

Nina Juliana Roberta Turnip, and Adelina 

Manurung   

Supiana Dian Nurtjahyani and Retno 

Handajani   

109

118

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129

134

Author Index 137

Subject Index 138


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