Preparation and characterization of N-(2-carboxybenzyl)chitosan as a potential pH-sensitive hydrogel for drug delivery

A novel pH-sensitive hydrogel composed of N,O-carboxymethyl chitosan and alginate cross-linked by genipin for protein drug delivery

Sung-Ching Chen, Yung-Chih Wu, Fwu‐Long Mi et al. · Journal of Controlled Release · 2004 · 922 citations

Pharmacy, Bioengineering, Pharmaceutics +16

pH-sensitive freeze-dried chitosan–polyvinyl pyrrolidone hydrogels as controlled release system for antibiotic delivery

Makarand V. Risbud, Anandwardhan A. Hardikar, Sujata V. Bhat et al. · Journal of Controlled Release · 2000 · 476 citations

Pharmacy, Molecular Pharmaceutics, Pharmaceutics +14

The use of polysaccharides to target drugs to the colon

Th.F. Vandamme · Carbohydrate Polymers · 2002 · 374 citations

Pharmacy, Pharmacology, Drug Discovery +9

Novel pH-sensitive chitosan hydrogels: swelling behavior and states of water

Xin Qu, Anders Wirsén, Ann‐Christine Albertsson · Polymer · 2000 · 372 citations

Natural Sciences, Materials Engineering, Materials Science +12

Method of colloid titration (a new titration between polymer ions)

Hiroshi Terayama · Journal of Polymer Science · 1952 · 353 citations

Natural Sciences, Chemistry, Analytical Chemistry +8