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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
Evaluation of Lagergren Kinetics Equation by Using Novel Kinetics Expression of Sorption of Zn2+ onto Horse Dung Humic Acid (HD-HA)
Indonesian Journal of Chemistry; Vol 16, No 3 (2016); 338-346
Extraction and purification of humic acid from dry horse dung powder (HD-HA) was performed successfully and the purified HD-HA was then applied as sorbent to adsorb Zn2+. Extraction and purification were performed based on procedure of Stevenson (199...
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
Comparative Study of Ni-Zn LHS and Mg-Al LDH Adsorbents of Navy Blue and Yellow F3G Dye
Indonesian Journal of Chemistry; Vol 16, No 1 (2016); 36-44
Adsorption of disperse dyes from wastewater onto Ni-Zn LHS (layered hydroxide salts) and Mg-Al LDH (layered double hydroxides) has been compared in this study. Effects of initial pH solution, contact time and initial dye concentration were investigat...
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
Adsorption of Ca(II), Mg(II), Zn(II), and Cd(II) on Chitosan Membrane Blended with Rice Hull Ash Silica and Polyethylene Glycol
Indonesian Journal of Chemistry; Vol 16, No 1 (2016); 45-52
In this research, chitosan based membrane blended with rice hull ash (RHA) silica and polyethylene glycol (PEG) has been applied as adsorbent of Ca(II), Mg(II), Zn(II) and Cd(II) in an aqueous solution. Membrane was synthesized by blending RHA silica...
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
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...
Jurnal Institusi
Functionalization of Fe3O4/SiO2 with N-(2-Aminoethyl)-3-aminopropyl for Sorption of [AuCl4]-
Indonesian Journal of Chemistry; Vol 16, No 2 (2016); 130-137
Synthesis of Fe3O4/SiO2 modified with N-(2-aminoethyl)-3-aminopropyl group (Fe3O4/SiO2/ED) via coating method and its application for adsorption-desorption of anionic gold in aqueous solution have been conducted. The synthesized product was character...
PubMed
Factor VIII Antibodies Demonstrate Type I or Type II Kinetics in Acquired Haemophilia A
Haemophilia
BACKGROUND: Acquired haemophilia A (AHA) is an acquired bleeding disorder resulting from autoantibodies against Factor VIII (FVIII). Previous studies have reported differences in FVIII inhibitor kinetics (type I or type II) in AHA compared to severe ...
PubMed
Comparison of V̇O(2)-Kinetic Parameters for the Management of Heart Failure
Front Physiol
Objective: The aim of this study was to analyze whether V̇O(2)-kinetics during cardiopulmonary exercise testing (CPET) is a useful marker for the diagnosis of heart failure (HF) and to determine which V̇O(2)-kinetic parameter distinguishes healthy ...
PubMed
Long tail kinetics in biophysics?
Biophys J
Long tail kinetics describe a variety of data from complex, disordered materials that cannot be described by conventional kinetics. It is suggested that the kinetics of diffusive motion in complex biological media, such as cytoplasm or biomembranes, ...
PubMed
Study of metastatic kinetics in metastatic melanoma treated with B-RAF inhibitors: Introducing mathematical modelling of kinetics into the therapeutic decision
PLoS One
BACKGROUND: Evolution of metastatic melanoma (MM) under B-RAF inhibitors (BRAFi) is unpredictable, but anticipation is crucial for therapeutic decision. Kinetics changes in metastatic growth are driven by molecular and immune events, and thus we hypo...
PubMed
Swelling and infusion of tea in tea bags
J Food Sci Technol
The present study deals with swelling and infusion kinetics of tea granules in tea bags. The swelling and infusion kinetics of tea bags differing in tea loading and tea bag shapes were compared with loose tea. Increment in temperature and dipping fre...
PubMed
Cellular senescence: ex vivo p53-dependent asymmetric cell kinetics
J Biomed Biotechnol
Although senescence is a defining property of euploid mammalian cells, its physiologic basis remains obscure. Previously, cell kinetics properties of normal tissue cells have not been considered in models for senescence. We now provide evidence that ...
PubMed
Probing the Kinetics of Single Molecule Protein Folding
Biophys J
We propose an approach to integrate the theory, simulations, and experiments in protein-folding kinetics. This is realized by measuring the mean and high-order moments of the first-passage time and its associated distribution. The full kinetics is re...
PubMed
An iron oxide nanoparticle-based magnetic resonance method to monitor release kinetics from polymeric particles with high resolution
Anal Chem
A new method to precisely monitor rapid release kinetics from polymeric particles using super paramagnetic iron oxide nanoparticles, specifically by measuring spin-spin relaxation time (T(2)), is reported. Previously, we have published the formulatio...
PubMed
Potential Roles of the Glass Transition Temperature of PLGA Microparticles in Drug Release Kinetics
Mol Pharm
Poly(lactic-co-glycolic acid) (PLGA) has been used for long-acting injectable drug delivery systems for more than 30 years. The factors affecting the properties of PLGA formulations are still not clearly understood. The drug release kinetics of PLGA ...
PubMed
Influence of an electrical potential on the charge transfer kinetics of bacteriorhodopsin
Biophys J
The adsorption of bacteriorhodopsin(bR)-containing purple membranes (PM) to black lipid membranes (BLM) was used to study the charge translocation kinetics of bR upon flash excitation. The discharge of the PM-BLM system after charging upon illuminati...
PubMed
Anomalous entropy-driven kinetics of dislocation nucleation
Nat Commun
The kinetics of dislocation reactions, such as dislocation multiplication, controls the plastic deformation in crystals beyond their elastic limit, therefore critical mechanisms in a number of applications in materials science. We present a series of...