Vol. 13 No. 4 (2019): December 2019

• Cover

  Is Helianti

Articles

• Antibacterial Activity Test of Indigenous Yeast from Sapodilla Fruit against Staphylococcus aureus and Escherichia coli

  GEMILANG LARA UTAMA, MUTIARA NABILA, HENI RADIANI ARIFIN, ELAZMANAWATI LEMBONG, TITA RIALITA

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• Citric Acid Production From Toba Banana Peel (Musa acuminata Colla) Through Submerged Fermentation Using Aspergillus niger

  MEVA GUSTINA E. SIDAURUK, SURYA NINGSIH HUTAURUK, MERRY MERYAM MARTGRITA, ADELINA MANURUNG

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• Gene Cloning of Xylanase Glycoside Hydrolase Family 11 from Bacillus halodurans CM1 in Escherichia coli DH5α

  Muhamad Taufiqul Naufal1, Agustin Krisna Wardani, Is Helianti

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• The Effect Of Aeration Rate On The Growth Of Blue Green Microalgae in Buffalo Dung As Alternative Media

  EDWIN YONATHAN GURNING, AMOS IMANUEL, NINA JULIANA ROBERTA TURNIP, ADELINA MANURUNG

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• Prevalence of Hepatitis B Virus Infection in Blood Donors Based on Titer Hepatitis B Surface Antigen Examination (HBsAg)

  SUPIANA DIAN NURTJAHYANI , RETNO HANDAJANI

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