14 articles in this issue
Imam Prasetyo,Rochmadi Rochmadi,Teguh Ariyanto,Rakhmat Yunanto
Nanoporous carbon materials, a unique and useful material, have been widely used in many technologies such as separation processes, catalysis, energy storage, gas storage, energy conversion, etc. due to its high specific surface area and tunable porosity.... see more
Rodiansono Rodiansono,Takayoshi Hara,Shogo Shimazu
Inexpensive Raney Ni-clay composite (R-Ni/clay) catalysts exhibited excellent activity and reusability in the total hydrogenation of biomass-derived furfural into tetrahydrofurfuryl alcohol under mild conditions. For the Raney Ni-bentonite (R-Ni/BNT) cata... see more
Miratul Khasanah,Muji Harsini,Alfa Akustia Widati
Development of the uric acid sensor through coating of glassy carbon (GC) electrode with imprinting zeolite (IZ) was carried out. Zeolite was synthesized by mixing TEOS, TBOT, TPAOH, and water followed by hydrothermal process. Zeolite was molded together ... see more
Faisal Amri Tanjung,Salmah Husseinsyah,Kamarudin Hussin,Iqmal Tahir
Effects of methyl methacrylate on the properties of chitosan-filled polypropylene (PP) composites has been investigated. Mechanical and thermal properties of the composites were analyzed according to ASTM D 638-91, thermogravimetry analysis (TGA) and diff... see more
Budi Riza Putra,Latifah K Darusman,Eti Rohaeti
A simple voltammetric technique for quantification of chromium(VI) is presented in this work. The technique is based on linear sweep voltammetric reduction Cr(VI) on hexadecyltrimethylammonium bromide (HDTMABr) modified Lampung zeolite carbon paste electr... see more
Ihsanul Arief,Ria Armunanto,Bambang Setiaji
Study on anti-HIV activity of diarylaniline derivative compounds by using quantitative structure-activity relationship (QSAR) has been done. The compounds structure and their anti-HIV activities were obtained from literature. Molecular and electronic para... see more
Ahyar Ahmad,Harningsih Karim
In this study, we cloned and sequenced cDNA encoding the chicken p46 polypeptide, RbAp46. The cDNA encoding a protein consists of 424 amino acids is a member of the WD protein family, with seven WD repeat motifs, and exhibits 90.3% identity to RbAp48, and... see more
Nafly C. Tiven,Lies Mira Yusiati,Rusman Rusman,Umar Santoso
This research aimed to determine the effect of crude palm oil protected with formaldehyde on the hydrogenation of unsaturated fatty acids in the rumen and its effect on blood and meat fatty acids. Fifteenth local male lambs aged 9-12 months weighing 14-17... see more
Jaya Hardi,Purwantiningsih Sugita,Laksmi Ambarsari
Ketoprofen coated tripolyphosphate modified chitosan nanoparticle was resulted from ionic gelation process by ultrasonication, centrifugation, and spray dry methods. Particle was analyzed by particle Size Analyzer. Dissolution and stability of them have c... see more
Suryadi Budi Utomo,Jumina Jumina,Dwi Siswanta,Mustofa Mustofa
A research has been conducted to synthesize tetrakis-N,N,N-trimethylammoniummethyl-C-3,4-dimethoxyphenylcalix[4]resorcinarene iodide from vanillin and investigate its antidote capability for Cr(VI) intoxication. The synthesis was carried out in four steps... see more
Salahuddin Salahuddin,Muhammad Hanafi,Hariyanti Hariyanti
The novel compound of 2-hydroxy-N-phenylnicotinamide was synthesized from modification of the UK-3A compound, which was known biologically active to inhibit bacterial and cancer cells growth. Synthesis of this compound was carried out in one-step reaction... see more
Hendro Juwono,Triyono Triyono,Sutarno Sutarno,Endang Tri Wahyuni
Biogasoline have been synthesized through catalytic hydrocracking reaction against FAMEs compounds (fatty acid methyl esters) obtained from the transesterification of Nyamplung seed oil. The performance of Al-MCM-41 and Pd/Al-MCM-41 as the catalytic hydro... see more
Aldes Lesbani,Palita Tamba,Risfidian Mohadi,Fahmariyanti Fahmariyanti
Preparation of calcium oxide from Achatina fulica shell has been carried out systematically by decomposition for 3 h at various temperatures i.e. 600, 700, 800 and 900 °C. Formation of calcium oxide was characterized using XR diffractometer. The calcium o... see more
I Made Sudarma,Emmy Yuanita,I Wayan Suana
The objective of this research was to synthesize new compounds with potential biological activity from readily accessed natural products. Eugenol has been reported to posses antioxidant and anticancer properties and was prepared by extracting from clove b... see more