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Composite Hydrogel Beads Based on Chitosan and Laponite: Preparation, Swelling, and Drug Release Behaviour
chitosan Laponite composite drug release Ofloxacin
2011/12/14
Biopolymer/layered silicate composites have shown unique advantages and potentials for the passive targeting of drugs because they can overcome the burst drawbacks of organic carrier, increase the dru...
Fast removal of ammonium ion using a hydrogel optimized with response surface methodology
Adsorption Ammonium ion Box–Behnken design Hydrogel Response surface methodology
2011/12/14
Response surface methodology (RSM) based on a three-level, three-variable, Box–Behnken design (BBD) was used to optimize the preparation parameters of a hydrogel consisted of polyvinyl alcohol (PVA),a...
Adsorption behavior of methylene blue from aqueous solution on the hydrogel composites based on carboxymethyl cellulose and attapulgite
adsorption attapulgite carboxymethyl cellulose composite methylene blue
2011/10/10
A series of carboxymethyl cellulose-g-poly (acrylic acid)/attapulgite hydrogel composites were synthesized for the removal of cationic dye methylene blue. Various factors affecting the uptake behavior...
A pH-Sensitive Composite Hydrogel Based on Sodium Alginate and Medical Stone:Synthesis, Swelling, and Heavy Metal Ions Adsorption Properties
composite hydrogel sodium alginate medical stone swelling adsorption pH-sensitivity
2011/12/14
New pH-sensitive composite hydrogels were synthesized by free-radical graft copolymerization among sodium alginate (NaAlg), sodium acrylate (NaA), and medical stone (MS). Fourier transform infrared sp...
Synthesis, swelling and responsive properties of a new composite hydrogel based on hydroxyethyl cellulose and medicinal stone
A. Polymer-matrix composites (PMCs) D. Thermal analysis
2011/12/13
In this study, a series of pH- and saline-responsive composite hydrogels were prepared by a facile freeradical graft copolymerization amongst hydroxyethyl cellulose (HEC), sodium acrylate (NaA) and me...
Response surface methodology was employed to optimize the adsorption parameters of Methylene Blue onto a chitosan-g-poly(acrylic acid)/halloysite hydrogel composite with 50% halloysite content. Such o...
Chitosan-g-poly(acrylic acid) hydrogel with crosslinked polymeric networks for Ni2+ recovery
Hydrogel Adsorption Nickel Recovery Mechanism
2011/12/13
In this study, chitosan-g-poly(acrylic acid) (CTS-g-PAA) hydrogel with crosslinked polymeric networks was prepared from an aqueous dispersion polymerization and then used as the adsorbent to recover a...
Adsorption Behavior of Methylene Blue from Aqueous Solution by the Hydrogel Composites Based on Attapulgite
adsorption attapulgite carboxymethyl cellulose composite methylene blue
2011/12/13
A series of carboxymethyl cellulose-g-poly (acrylic acid)/attapulgite hydrogel composites were synthesized for the removal of cationic dye methylene blue. Various factors affecting the uptake behavior...
Removal of Cd(II) from aqueous solution by a composite hydrogel based on attapulgite
composite hydrogel attapulgite cadmium adsorption mechanism thermodynamic parameters
2011/10/10
Chitosang-poly(acrylic acid)/attapulgite composite with 30 wt% attapulgite content was used to remove Cd(II) from aqueous solutions. The parameters influencing the adsorption were investigated. When C...
Removal of Cd(II) from aqueous solution by a composite hydrogel based on attapulgite
composite hydrogel attapulgite cadmium adsorption mechanism thermodynamic parameters
2011/12/13
Chitosang-poly(acrylic acid)/attapulgite composite with 30 wt% attapulgite content was used to remove Cd(II) from aqueous solutions. The parameters influencing the adsorption were investigated. When C...
Evaluation of ammonium removal using a chitosan-g-poly (acrylic acid)/rectorite hydrogel composite
Ammonium Hydrogel composite Fast-responsive High-capacity Regeneration
2011/12/14
This paper concerns the removal of ammonium ions (NH4+) from aqueous solution using a hydrogel composite chitosan graftedpoly (acrylic acid)/rectoritepreparedfromin situ copolymerization. The effects ...
Preparation and characterization of a novel pH-sensitive chitosan-g-poly (acrylic acid)/attapulgite/sodium alginate composite hydrogel bead for controlled release of diclofenac sodium
Composite hydrogel bead pH-sensitive Controlled release Diclofenac sodium
2011/10/10
A series of pH-sensitive composite hydrogel beads composed of chitosan-g-poly (acrylic acid)/attapulgite/sodium alginate (CTS-g-PAA/APT/SA) was prepared as drug delivery matrices crosslinked by Ca2+ow...
Preparation and characterization of a novel pH-sensitive chitosan-g-poly (acrylic acid)/attapulgite/sodium alginate composite hydrogel bead for controlled release of diclofenac sodium
Composite hydrogel bead pH-sensitive Controlled release Diclofenac sodium
2011/12/14
A series of pH-sensitive composite hydrogel beads composed of chitosan-g-poly (acrylic acid)/attapulgite/sodium alginate (CTS-g-PAA/APT/SA) was prepared as drug delivery matrices crosslinked by Ca2+ o...
A novel N-succinylchitosan-graft-polyacrylamide/attapulgite composite hydrogel was prepared by using N-succinylchitosan, acrylamide and attapulgite through inverse suspension polymerization. The resul...