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88  Articles
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The synthesis of 6-nitro veratryl alcohol and 6-nitro veratraldoxim from vanilin which was required as intermediates for the preparation of C-9154 antibiotic derivatives was carried out. C-9154 antibiotic is a sufficiently potent antibiotic, but so far th... see more

Abstrak __________________________________________________________________________________________ Telah dilakukan penelitian tentang isolasi, identifikasi, dan elusidasi struktur senyawa alkaloid dalam ekstrak metanol-asam nitrat dari biji mahoni bebas m... see more

This study aims to investigate the application of two calix[4]arene derivatives named 5,11,17,23-tetra-(t-butyl)-25,26,27,28-tetrahydroxycalix[4]arene (TBCA) and 5,11,17,23-tetra-(t-butyl)-26,27,28-tribenzoyloxycalix[4]arene (TBMTCA) as adsorbents of Pb(I... see more

This study aims to determine the effectiveness of songs in improving students' affixation analysis. The method used in this research is a qualitative method with an analytical research design. The results showed that before applying song media, student ac... see more



Plasmodium falciparum (P. falciparum) is the most fatal among the other Plasmodium parasites that infect humans with the malaria disease. Currently, the resistance of P. falciparum against some antifolate drugs has become a severe problem. On the other ha... see more

Poly(ethyl eugenyl oxyacetate) (PEEOA) had been synthesized for separating heavy metals like Fe(III), Cr(III), Cu(II), Ni(II), Co(II), and Pb(II) by liquid membrane transport method. The effects of pH, ion carrier volume, stripping concentration, transpor... see more


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