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Jurnal Institusi
Synthesis of Fe Ionic-Imprinted Polyeugenol Using Polyethylene Glycol Diglycidilether as Cross-Linking Agent for Sorption of Fe(III)
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 305-314
Fe-Ionic Imprinted Polymer (IIP) from polyeugenol as base polymer and polyethylene glycol diglycidyl ether (PEGDE) as cross-linking agent had been synthesized to adsorb Fe(III) from aqueous media. The non-imprinting material (NIP) and polyeugenol wer...
Jurnal Institusi
Crystal Phase and Surface Morphology of Zeolite-Y Templated Carbon with K2CO3 and ZnCl2 Activation
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 315-318
Zeolite-Y templated carbon (ZTC) has been activated with K2CO3 and ZnCl2. This research aims to compare the characteristics of ZTC with K2CO3 and ZnCl2 activation. ZTC was synthesized via impregnation method followed by carbonization. In this researc...
Jurnal Institusi
Influence of Solvothermal Temperatures and Times on Crystallinity and Morphology of MOF-5
Indonesian Journal of Chemistry; Vol 15, No 2 (2015); 101-107
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 an...
Jurnal Institusi
L-Arginine-Modified Silica for Adsorption of Gold(III)
Indonesian Journal of Chemistry; Vol 15, No 2 (2015); 108-115
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) a...
Jurnal Institusi
Characteristics of Nanosize Spinel NixFe3-xO4 Prepared by Sol-Gel Method Using Egg White as Emulsifying Agent
Indonesian Journal of Chemistry; Vol 15, No 2 (2015); 116-122
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, a...
Jurnal Institusi
Synthesis and Characterization of Alumina Precursors Derived from Aluminum Metal through Electrochemical Method
Indonesian Journal of Chemistry; Vol 15, No 2 (2015); 123-129
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, P...
Jurnal Institusi
Structure and Compatibility Study of Modified Polyurethane/Fe3O4 Nanocomposite for Shape Memory Materials
Indonesian Journal of Chemistry; Vol 15, No 2 (2015); 130-140
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 m...
Jurnal Institusi
Synthesis of Fluorescence Carbon Nanoparticles from Ascorbic Acid
Indonesian Journal of Chemistry; Vol 15, No 2 (2015); 141-145
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 i...
Jurnal Institusi
Characterization of Butanediol-Alginate Ester as Candidate of Hemodialysis Membrane
Indonesian Journal of Chemistry; Vol 15, No 2 (2015); 146-154
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 perfor...
Jurnal Institusi
Structure and Dynamics of Zr4+ in Aqueous Solution: An Ab Initio QM/MM Molecular Dynamics Study
Indonesian Journal of Chemistry; Vol 15, No 2 (2015); 155-162
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 fu...
Jurnal Institusi
Copper and Cadmium Toxicity to Marine Phytoplankton, Chaetoceros gracilis and Isochrysis sp.
Indonesian Journal of Chemistry; Vol 15, No 2 (2015); 172-178
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 tran...
Jurnal Institusi
Cadmium Adsorption on Chitosan/Chlorella Biomass Sorbent Prepared by Ionic-Imprinting Technique
Indonesian Journal of Chemistry; Vol 15, No 2 (2015); 163-171
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...
Jurnal Institusi
Two Isophalerin Compounds from Ethyl Acetate of Leave and Fruit of Mahkota Dewa (Phaleria macrocarpa (Scheff.) Boerl.) and Its Antibacterial Activity
Indonesian Journal of Chemistry; Vol 15, No 2 (2015); 179-186
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 an...
Jurnal Institusi
The Isolation of Xanthones from Trunk Latex of Garcinia mangostana Linn. and Their Antimicrobial Activities
Indonesian Journal of Chemistry; Vol 15, No 2 (2015); 187-193
ɑ-Mangostin (1), β-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, Salmone...
Jurnal Institusi
Synthesis, Characterization of Cellulose Modified with 2-Mercaptobenzothiazole and Its Adsorption To Cu(II) Ion in Aqueous Solution
Indonesian Journal of Chemistry; Vol 15, No 2 (2015); 194-200
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...
Jurnal Institusi
Antibacterial Compounds from Red Seaweeds (Rhodophyta)
Indonesian Journal of Chemistry; Vol 15, No 2 (2015); 201-209
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 seco...
Jurnal Institusi
Detection of Hg2+ Metal Ions Using Silver Nanoparticles Stabilized by Gelatin and Tween-20
Indonesian Journal of Chemistry; Vol 15, No 1 (2015); 1-8
Silver nanoparticles were synthesized by reduction method using glucose as reducing agent for precursor AgNO3. This research was aimed at comparing the stability and performance of silver nanoparticles with stabilizer gelatin (Gelatin-AgNPs) and twee...
Jurnal Institusi
Analytical Method Validation and Determination of Pyridoxine, Nicotinamide, and Caffeine in Energy Drinks Using Thin Layer Chromatography-Densitometry
Indonesian Journal of Chemistry; Vol 15, No 1 (2015); 9-15
Food supplement which contains vitamins and stimulants such as caffeine were classified as energy drink. TLC-densitometry method was chosen to determine the pyridoxine, nicotinamide, and caffeine in the energy drink sample. TLC plates of silica gel 6...
Jurnal Institusi
Synthesis and Characterization of Chitosan- Alginate for Controlled Release of Isoniazid Drug
Indonesian Journal of Chemistry; Vol 15, No 1 (2015); 16-21
The aim of this research was to synthesize and characterize chitosan-calcium alginate as matrix isoniazid encapsulation to produce controlled release isoniazid drug. The microparticles were evaluated for surface morphology, functional groups, size pa...
Jurnal Institusi
Glucose Oxidase Immobilization on TMAH-Modified Bentonite
Indonesian Journal of Chemistry; Vol 15, No 1 (2015); 22-28
The influence of bentonite modification by tetramethyl ammonium hydroxide (TMAH) on its capability to immobilize glucose oxidase (GOX) was studied. Modification of bentonite was conducted by the adding of 0-5% (v/v) TMAH. The observed results show th...