14 articles in this issue
Tri Ana Mulyati,Ratna Ediati,Afifah Rosyidah
MOF-5 (metal-organic frameworks-5) have been synthesized using solvothermal method in which reaction mixtures of zinc nitrate hexahydrate and 1,4-benzenedicarboxylic acid (BDC) in dimethylformamide (DMF) were heated at various heating temperatures and tim... see more
Sri Hastuti,Nuryono Nuryono,Agus Kuncaka
In this research, L-arginine-modified silica (SiO2-Arg) with 3-glycidoxypropyl-trimethoxysilane (GPTMS) as the linking agent has been synthesized through sol gel process for adsorption of Au(III) in aqueous solution. Tetraethyl orthosilicate (TEOS) as the... see more
Rudy Situmeang,Sukma Wibowo,Wasinton Simanjuntak,R. Supryanto,Rizki Amalia,Mitra Septanto,Posman Manurung,Simon Sembiring
In this study, sol-gel method using egg white as emulsifying agent was applied to prepare nano size spinel NixFe3-xO4 (with x = 0.2–1). Sample preparation was carried out by mixing the solution of Fe(NO3)3.9 H2O and Ni(NO3)3.6 H2O with egg white, and then... see more
Eva Marlina Ginting,Nurdin Bukit
This study investigated the use of the electrochemical method to prepare alumina (a-Al2O3) from aluminum metal. The a-Al2O3 precursor was calcined at 110 °C for six hours and then characterized using Fourier Transform Infrared (FTIR) spectroscopy, Particl... see more
Dick Ferieno Firdaus,Masrudin Masrudin,Dessy Ayu Lestari,Mutya Rahmah Arbi,Mochamad Chalid
Shape Memory Polymer (SMP) is one of smart materials class that has the ability to recall a given shape before deformation in the transient state. The development of SMP is dominated by polyurethane which is currently focused on the optimization of manufa... see more
Sri Sugiarti,Noviyan Darmawan
Carbon nanoparticles (C-dot) are materials that belong to a class of 0-dimensional nanoparticles with a photoluminescence property. C-dot can be synthesized from a variety of organic acids through bottom-up synthetic methods or from other source of inorga... see more
Choirul Amri,Mudasir Mudasir,Dwi Siswanta,Roto Roto
An ester of butanediol-alginate has been studied as a possible hemodialysis membrane. With 1,4-butanediol molar ratio of 0.1, 0.5, and 1.0, it showed that the membrane mechanical properties, stability, protein adsorption, platelet adhesion and performance... see more
Suwardi Suwardi,Harno Dwi Pranowo,Ria Armunanto
A QM/MM molecular dynamics (MD) simulation has been carried out using three-body corrected pair potential to investigate the structural and dynamical properties of Zr4+ in dilute aqueous solution. Structural data in the form of radial distribution functio... see more
Anis Shofiyani,Narsito Narsito,Sri Juari Santosa,Sri Noegrohati,Titin Anita Zahara,Endah Sayekti
Ionic-Imprinted Chitosan/Chlorella biomass sorbent (IICCb) has been synthesized for selective adsorption of Cd(II) adsorption. IICCb was prepared by coating Cd(II)-complexed-chitosan hydrogel on the biomass surface followed by cross-linking procedure. Cd(... see more
Suratno Suratno,Rachma Puspitasari,Triyoni Purbonegoro,Dieni Mansur
In Copper (Cu) based antifouling (AF) paints Cu was largely used as booster biocide after organotin was banned. Cu is micronutrient which is important in photosynthesis process because Cu is an essential metal as component of enzyme and electron transport... see more
Susilawati Susilawati,Sabirin Matsjeh,Harno Dwi Pranowo,Chairil Anwar
Mahkota dewa plant (Phaleria macrocarpa (Scheff.) Boerl.) which is belong to family of Thymelaeaceae is one of Indonesia's traditional medicines. The aim of this research is to isolate secondary metabolites from ethyl acetate extract of leave and fruit of... see more
Vivi Anggia,Amri Bakhtiar,Dayar Arbain
?-Mangostin (1), ß-mangostin (2) and gartanin (3) have been isolated from the trunk latex of Garcinia mangostana Linn. and investigated for their antimicrobial activities against Bacillus subtilis, Enterococcus faecalis, Micrococcus luteus, Salmonella typ... see more
Ahmad Fatoni,Soerja Koesnarpadi,Nurlisa Hidayati
The modification of cellulose with 2-mercaptobenzhotiazole (MBT) through grafting and impregnating methods has been done. Modified cellulose used as adsorbent for Cu(II) ion in aqueous solution. The aims of research were modification cellulose with 3-chlo... see more
Noer Kasanah,Triyanto Triyanto,Drajad Sarwo Seto,Windi Amelia,Alim Isnansetyo
Seaweeds produce great variety of metabolites benefit for human. Red seaweeds (Rhodophyta) are well known as producer of phycocolloids such agar, agarose, carragenan and great variety of secondary metabolites. This review discusses the red algal secondary... see more