Preparation of cyclosporine A pH sensitive nanoparticles and oral pharmacokinetics in rats;

The influences of various kinds and different concentrations of lyoprotectant on the particle size stability of lyophilized pH sensitive nanoparticles loaded cyclosporin A were investigated.

A review on pH-sensitive nanocarriers for drug delivery

Study on pH sensitivity 0f PVP/CHI blend hydrogels;

The research about pH sensitivity of AAm/Ac hydrogel;

The results show that the hydrogels have amphiphilicity and different pH sensitivity compared with chitosan.

Synthesis and characterization of a novel pH-sensitive coating materials;

Preparation and properties of novel pH-sensitive chitosan/gelatin hydrogels

The structure and properties of temperature-sensitive hydrogels,pH-sensitive hydrogels and pH/temperature-sensitive hydrogels and their applications in drug delivery systems were reviewed.

A thermo and pH sensitive interpenetrating network hydrogels beads were prepared with both calcium alginate and PNIPAAm hydrogels which were synthesized by free radical aqueous solution polymerization using APS(ammonium persulphate)/Na 2S 2O 5(Sodium pyrosulfite) as redox initiators in a simultaneous interpenetrating network process.

An interpenetrating network like hydrogel of PE-g-AAm/AAc with sharp pH sensitive was obtained.

Preparation of N-carboxyethyl chitosan hydrogel and its pH-sensitivity;

pH-sensitivity investigation of carboxymethyl chitosan modified doxorubicin nanoliposomes;

The degree of grafting,permeation performance and pH-sensitivity of the grafted membrane were studied respectively.