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Identifikasi Senyawa Antioksidan Dalam Spons Callyspongia Sp Dari Kepulauan Seribu, Endang Hanani
Identifikasi Senyawa Antioksidan Dalam Spons Callyspongia Sp Dari Kepulauan Seribu, Endang Hanani
Majalah Ilmu Kefarmasian
Antioxidant activity and identification of antioxidative compounds of Callyspongia sponge from Seribu Island (Kepulauan Seribu) were investigated. The sponge was extracted with acetone and the extract was concentrated using rotary vacuum evaporator. DPPH and tiocyanate methods were used to examine the antioxidant activity of the extract. The extract exhibited strong antioxidant activity in DPPH method with IC50 of 41.21 µg/ml. Chemical analysis indicated that the antioxidative compound in the sponge was alkaloid group.
Rna Therapeutic, Pendekatan Baru Dalam Terapi Gen, Amarila Malik
Rna Therapeutic, Pendekatan Baru Dalam Terapi Gen, Amarila Malik
Majalah Ilmu Kefarmasian
Some diseases, such as cancer, hereditary and genetic diseases, as well as viral infectious diseases, have been treated unsatisfied by the conventional therapy so far, and even more, by the gene therapy. Together with the pharmaceutical industries, researchers put their best effort to hunt some molecules that can be more favorable for such kind of therapy. After a pivotal study reported in May, 2001, it is certain that Ribonucleic acid (RNA) could effectively silence gene expression in mammalian cell line, so it was then proposed in 2004 the term RNA therapeutics. Antisense RNA therapy which came into the stage earlier …