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Jurnal Institusi
Development of Candidate Reference Materials of Endosulfan Sulfate and Bifenthrin in Black Tea
Indonesian Journal of Chemistry; Vol 16, No 1 (2016); 72-79
The candidate reference materials of endosulfan sulfate and bifenthrin in black tea have been developed according to the requirements of ISO Guide 34 and 35. Preparation of candidate material includes grinding and sieving of the black tea leaves, spi...
Jurnal Institusi
Chalcone Based Colorimetric Sensor for Anions: Experimental and TD-DFT Study
Indonesian Journal of Chemistry; Vol 16, No 1 (2016); 80-86
The interactions between sensor chalcone of 3-(4-hydroxy-3-methoxyphenyl)-1-phenyl-2-propen-1-one (1) and anions (F–, Cl–, Br–, CN–, CO32–, and SO42–) have been experimentally and TD-DFT theoretically investigated. Sensor (1) showed a nak...
Jurnal Institusi
A Rapid and Sensitive Diagnosis of Typhoid Fever Based On Nested PCR-Voltammetric DNA Biosensor Using Flagellin Gene Fragment
Indonesian Journal of Chemistry; Vol 16, No 1 (2016); 87-91
Typhoid fever caused by Salmonella typhi is an important issue for public health in the world. Laboratory methods for rapid and sensitive diagnosis are very important for disease management. The purpose of this study was to determine the performance ...
Jurnal Institusi
Immobilization of Glucose Oxidase on Modified-Carbon-Paste-Electrodes for Microfuel Cell
Indonesian Journal of Chemistry; Vol 16, No 1 (2016); 92-97
Glucose oxidase (GOx) is being developed for many applications such as an implantable fuel cell, due to its attractive property of operating under physiological conditions. This study reports the functional immobilization of glucose oxidase onto poly...
Jurnal Institusi
Biodiesel Production from Waste Palm Oil Catalyzed by Hierarchical ZSM-5 Supported Calcium Oxide
Indonesian Journal of Chemistry; Vol 16, No 1 (2016); 98-104
Biodiesel production from waste palm oil catalyzed by hierarchical ZSM-5 supported calcium oxide was studied. The activity of CaO increased after supported on h-ZSM-5 resulting an increase in conversion from 93.17% to 95.40%. A maximum conversion of ...
Jurnal Institusi
Isothermal Vapor-Liquid Equilibrium of Methanol + Glycerol and 1-Propanol + Glycerol
Indonesian Journal of Chemistry; Vol 16, No 1 (2016); 111-116
Isothermal vapor-liquid equilibrium (VLE) data for two binary mixtures of methanol + glycerol and 1-propanol + glycerol were determined at the temperature range from (313.15 to 363.15) K using a simple quasi-static ebulliometer. All systems showed th...
Jurnal Institusi
Oxidative Desulfurization of Dibenzothiophene Using Dawson Type Heteropoly Compounds/Tantalum as Catalyst
Indonesian Journal of Chemistry; Vol 16, No 1 (2016); 105-110
Catalyst (NH4)6[b-P2W18O62]/Ta has been synthesized by simple wet impregnation at 30-40 °C under atmospheric conditions using Dawson type polyoxometalate (NH4)6[b-P2W18O62] and tantalum. The catalyst was characterized by FTIR spectrophotometer, XRD,...
Jurnal Institusi
Retracted-Enhanced X-Ray Absorption Property of Gold-Doped Single Wall Carbon Nanotube
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 211-217
Enhanced X-ray absorption property of single wall carbon nanotube (SWCNT) through gold (Au) doping (Au@SWCNT) has been studied. Mass attenuation coefficient of SWCNT increased 5.2-fold after Au doping treatment. The use of ethanol in the liquid phase...
Jurnal Institusi
Synthesis and Characterization of Chitosan/Phosphotungstic Acid-Montmorillonite Modified by Silane for DMFC Membrane
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 218-225
Montmorillonite was functionalized by (3-glycidyloxypropyl) trimethoxy silane (GPTMS). Subsequently, chitosan (CS) membranes filled by GPTMS-modified montmorillonite particles were prepared and characterized by FTIR. The result of FTIR obtained the p...
Jurnal Institusi
Polyaniline-Invertase-Gold Nanoparticles Modified Gold Electrode for Sucrose Detection
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 226-233
Sucrose sensor has been made by deposited the active materials on the surface of gold electrode. The active materials, i.e. polyaniline (PANI), invertase and gold nanoparticles, were deposited step by step. Aniline polymerization were conducted elect...
Jurnal Institusi
Anionic and Cationic Dyes Removal from Aqueous Solutions by Adsorption onto Synthetic Mg/Al Hydrotalcite-Like Compound
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 234-241
The current investigation reports an effective adsorption of both anionic species and cationic dyes on Mg/Al hydrotalcite-like compounds (Mg/Al HTlc) synthetic from brine water, as novel, inexpensive available alternative to the commercial hydrotalci...
Jurnal Institusi
Microstructure Analysis of Synthesized LiBOB
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 242-247
Lithium bis (oxalate) borate or LiBOB is an active material used as the electrolyte for lithium battery application. LiBOB (LiB(C2O4)2) powder was prepared from LiOH, H2C2O4 and H3BO3. The employed method was solid state reaction. LiBOB powder produc...
Jurnal Institusi
Preparation and Pb(II) Adsorption Properties of Crosslinked Pectin-Carboxymethyl Chitosan Film
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 248-255
A modified pectin has been synthesized by reacting/combining -OH group among pectin and chitosan with BADGE (Bisphenol A diglycidyl ether) crosslinker agent. The structure and morphology of the new material were characterized by Fourier transform inf...
Jurnal Institusi
Methylation of Eugenol Using Dimethyl Carbonate and Bentonite as Catalyst
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 256-262
Eugenol is a compound with a variety of reactive functional groups such as allyl, hydroxy and methoxy. The presence of the functional groups brings eugenol possible to undertake the transformation into various derivative compounds with diverse activi...
Jurnal Institusi
Precious Metals Supported on Alumina and Their Application for Catalytic Aqueous Phase Reforming of Glycerol
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 269-273
The high cost of Pt based catalyst for aqueous phase reforming (APR) reaction makes it advantageous to develop less cost of other metals for the same reaction. APR is hydrogen production process from biomass-derived source at mild condition near 500 ...
Jurnal Institusi
Direct Synthesis of Methanol by Partial Oxidation of Methane with Oxygen over Cobalt Modified Mesoporous H-ZSM-5 Catalyst
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 263-268
Partial oxidation of methane over mesoporous catalyst cobalt modified H-ZSM-5 has been carried out. Mesoporous Na-ZSM-5 (Si/Al = 35.4) was successfully synthesized using double template method which has high surface area (450 m2/g) and average pore d...
Jurnal Institusi
Computer-Aided Drug Repurposing: A Cyclooxygenase-2 Inhibitor Celecoxib as a Ligand for Estrogen Receptor Alpha
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 274-280
A cyclooxygenase-2 (COX-2) inhibitor celecoxib has been previously reported to have cytotoxic activities towards gastric, prostate, ovarian, colon and breast cancer cell lines. This article reports that the cytotoxic activities of celecoxib could be ...
Jurnal Institusi
Synthesis and Characterization Superabsorbent Hydrogels of Partially Neutralized Acrylic Acid Prepared Using Gamma Irradiation; Swelling and Thermal Behavior
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 281-287
A series of superabsorbent hydrogels were synthesized from partially neutralized acrylic acid with varying degree of neutralization (0-1) using gamma radiation. The effects of degree neutralization of acrylic acid on swelling ratio were studied. DSC ...
Jurnal Institusi
Reversible Second Order Kinetics of Sorption-Desorption of Cr(VI) Ion on Activated Carbon from Palm Empty Fruit Bunches
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 288-294
Activated carbon (AC) from palm empty fruit bunches has been prepared, and this material was then used to adsorb Cr(VI) from a solution. Characterization of the AC was conducted by detection of its functional groups, determination of total volatile c...
Jurnal Institusi
Production by Lintnerization-Autoclaving and Physicochemical Characterization of Resistant Starch III from Sago Palm (Metroxylon sagu rottb)
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 295-304
Indonesia is one of the biggest central distributions of sago starch. There are some characteristics of sago starch which make it difficult to use in variation of foods. In this study, resistant starch type III (RS3) was produced from sago starch by ...