39,039 dokumen ditemukan
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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
Photocatalytic Decolorization Study of Methyl Orange by TiO2–Chitosan Nanocomposites
Indonesian Journal of Chemistry; Vol 14, No 3 (2014); 209-218
The photocatalytic decolorization of methyl orange (MO) by TiO2-chitosan nanocomposite has been studied. This study was started by synthesizing TiO2-chitosan nanocomposites using sol-gel method with various concentrations of Titanium(IV) isopropoxide...
Jurnal Institusi
Preparation of Citric Acid Crosslinked Chitosan/Poly(Vinyl Alcohol) Blend Membranes for Creatinine Transport
Indonesian Journal of Chemistry; Vol 16, No 2 (2016); 144-150
Preparation of membrane using crosslinking reaction between chitosan and citric acid showed that functional group modification increased the number of active carrier groups which lead to better transport capacity of the membrane. In addition, the sub...
Jurnal Institusi
Significance of Glucose Addition on Chitosan-Glycerophosphate Hydrogel Properties
Indonesian Journal of Chemistry; Vol 16, No 1 (2016); 65-71
Chitosan-glycerophosphate hydrogel can be used as dental scaffold due to its thermosensitivity, gelation performance at body temperature, suitable acidity for body condition, biocompatibility, and ability to provide good environment for cell prolifer...
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
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
Synthesis of Silver-Chitosan Nanocomposites Colloidal by Glucose as Reducing Agent
Indonesian Journal of Chemistry; Vol 15, No 1 (2015); 29-35
Silver-chitosan nanocomposites colloidal was successfully performed by chemical reduction method at room temperature using glucose as reducing agent, sodium hydroxide (NaOH) as accelerator reagent, silver nitrate (AgNO3) as metal precursor and chitos...
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
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
Preservation of Natural Colorant Extract of Jalawe Fruit Peel (Terminalia bellirica) in Water-Based Solution
Indonesian Journal of Chemistry; Vol 16, No 3 (2016); 315-321
The general objective of this study is to preserve natural colorant extract of jalawe fruit peel in water-based solution during storing. The specific objectives in this research are finding suitable type and amount of antimicrobial compound to preven...
PubMed
Effects of carboxymethyl chitosan on the growth and nutrient uptake in Prunus davidiana seedlings
Physiol Mol Biol Plants
To determine the effects of carboxymethyl chitosan on plant growth and nutrient uptake, Prunus davidiana seedlings were treated with various concentrations of carboxymethyl chitosan. The biomass, physiological characteristics, and nutrient uptake of ...
PubMed
Novel Hybrid Catalysts of Cysteine Proteases Enhanced by Chitosan and Carboxymethyl Chitosan Micro- and Nanoparticles
Polymers (Basel)
Micro- and nanoparticles of chitosan and carboxymethyl chitosan were synthesized, both with and without ascorbic acid. Methods were developed to form complexes between these micro- and nanoparticles and plant proteases—ficin, papain, and bromelain....
PubMed
Investigation of partially myristoylated carboxymethyl chitosan, an amphoteric‐amphiphilic chitosan derivative, as a new material for cosmetic and dermal application
J Cosmet Dermatol
BACKGROUND: Cationic amphiphilic chitosan derivatives can form polymeric micelles, which are useful cosmetic materials, but they form polyion complexes with anionic polymers, which can cause formulation difficulties. AIMS: This study aimed to evaluat...
PubMed
Modeling and optimization of degree of folate grafted on chitosan and carboxymethyl-chitosan
Prog Biomater
Chitosan is a cationic polysaccharide with great properties and so is considered as an attractive biopolymer. However, chitosan shows its antibacterial activity only in acidic environment and this restricts its uses. So water-soluble chitosan derivat...
PubMed
Inhibition of Amphiphilic N-Alkyl-O-carboxymethyl Chitosan Derivatives on Alternaria macrospora
Biomed Res Int
Cotton leaf spot (Alternaria macrospora) is a widespread disease that occurs in the main cotton-producing area of China. In managing this disease, a novel chitosan-based biopesticide, an amphiphilic N-alkyl-O-carboxymethyl chitosan derivative, was pr...
PubMed
Study of Different Chitosan/Sodium Carboxymethyl Cellulose Proportions in the Development of Polyelectrolyte Complexes for the Sustained Release of Clarithromycin from Matrix Tablets
Polymers (Basel)
This study investigated the combination of different proportions of cationic chitosan and anionic carboxymethyl cellulose (CMC) for the development of polyelectrolyte complexes to be used as a carrier in a sustained-release system. Analysis via scann...
PubMed
Chitosan and Its Carboxymethyl-Based Membranes Produced by Crosslinking with Magnesium Phytate
Molecules
Membranes produced by crosslinking chitosan with magnesium phytate were prepared using highly deacetylated chitosan and its N-carboxymethyl, O-carboxymethyl and N,O-carboxymethyl derivatives. The conditions of the membrane production were described. ...
PubMed
Preparation and Characterization of Novel Chitosan Coatings to Reduce Changes in Quality Attributes and Physiochemical and Water Characteristics of Mongolian Cheese during Cold Storage
Foods
The objective of this study was to evaluate the effect of O-carboxymethyl chitosan coating on microbiological, physiochemical, and water characteristics of Mongolian cheese during refrigerated storage. O-carboxymethyl chitosan coatings, particularly ...
PubMed
Application of Mulberry (Morus nigra) Anthocyanin Extract Combined with Carboxymethyl Chitosan for Postharvest Preservation of Strawberry (Fragaria x ananassa)
Curr Issues Mol Biol
Strawberries are highly susceptible to postharvest deterioration, including softening, decay, and nutrient loss, which severely limits their shelf life and commercial value. This study developed and evaluated a natural composite coating combining mul...
PubMed
Development of ligustrazine hydrochloride carboxymethyl chitosan and collagen microspheres: Formulation optimization, characterization, and vitro release
Bioengineered
This study investigates the preparation of ligustrazine hydrochloride carboxymethyl chitosan and collagen microspheres. This experiment investigates effects of the ratio of carboxymethyl chitosan and collagen blend, water to oil ratio, stirring speed...
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