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Now showing items 161-170 of 186
BIOACTIVITY TEST OF COMPOUND (Hexa-Tetra Contana) FROM SPONGE (Callyspongia pseudoreticulata) AS ANTIBACTERIAL OF WITHERED DISEASE ON POTATO PLANT (Ralstonia solanacearum)
(2017-10-20)
Sponge is one of the marine organisms of coral reefs that is able to produce secondary metabolite
compounds with varieties of bioactivity and structural variations; one of its biological activities is as an
antimicrobial. ...
TOXICITY AND ANTIMICROBIAL ACTIVITY FROM EXTRACT AND OLEANAN DERIVATIVE COMPOUNDS OF THE BARK MELOCHIA UMBELLATE (HOUTT) STAPF VAR. DEGRABRATA
(2014-07-15)
Oleanan derivative compound namely 3-acetyl-12-oleanen-28-oic acid, has been isolated
from n-hexane fraction of the bark M. umbellate (Houtt) Stapf var. degrabrata The
molecular structure was determined by IR spectroscopy, ...
BIOACTIVITY TEST OF COMPOUND (Hexa-Tetra Contana) FROM SPONGE (Callyspongia pseudoreticulata) AS ANTIBACTERIAL OF WITHERED DISEASE ON POTATO PLANT (Ralstonia solanacearum)
(2017-10-20)
Sponge is one of the marine organisms of coral reefs that is able to produce secondary metabolite
compounds with varieties of bioactivity and structural variations; one of its biological activities is as an
antimicrobial. ...
Developing IT-Based Learning Media of the Aufbau Electron Configuration Principle in Constructivism Oriented Chemistry Learning to Improve Mastery of Concepts and Problem Solving Skills
(AIP Conference Proceedings 2540, 040005 (2023), 2023-01-27)
The development of IT-based Aufbau electron configuration principle media has been conducted. This study
aims to identify the validity, practicality and effectiveness of the use of the media to improve students’ mastery ...
Antibacterials Activity of Escherichia coli and Salmonella typhi by Acetone Extract of the Lichen Usnea sp.
(AIP Conference Proceedings, 2023-05-02)
Lichen organisms have been used by the community as traditional herbal ingredients, especially lichens of the
genus Usnea sp.. In this study, we focused on examining the effect of the acetone extract lichen Usnea sp. in ...
Inhibitory Activity of Candida albicans Fungi by Acetone Extract of the Lichen Usnea sp.
(AIP Conference Proceedings, 2023-05-02)
Lichen is a unique organism that produces various organic compounds such as primary and secondary
metabolites. In this study, we focused on reporting the growth inhibitory activity of Candida albicans fungi by acetone ...
Integration of Water Treatment Knowledge Using SETS Approach in Online Chemistry Learning to Improve Chemical Literacy of Students on the Aspect of Knowledge and Context
(AIP Conference Proceedings 2642, 090007 (2023), 2023-01-11)