2008. Chemical modification of chitosan: synthesis and biological activity of new heterocyclic chitosan derivatives. Polym Int. 57:254-261.EL BADAWY,MOHAMED.Chemical modification of chitosan:synthesis and biological activity of new heterocyclic chitosan derivatives.Polymer International. 2008...
chitosan derivativesgene deliveryDNAsiRNAchemical modificationSmall interfering RNA (siRNA) is a promising candidate for gene therapy due to the strong and specific gene silencing effects. However, to effectively silence any protein, lack of an efficient delivery system is major obstacle for siRNA ...
waste water treatment and so on.In order to improve its poor solubility,stability and other shortcomings weak,expand its scope of application.We often use methods of physical and chemical to modified chitosan.The method of chitosan chemical modification were reviewed and its development were ...
Chemical modification of chitosan: Preparation of chitosan-sialic acid branched polysaccharide hybrids Water soluble hybrids of chitosan and sialic acid were prepared in good yields via reductive N-alkylation of p-formylphenyl α-sialoside 2 onto chitosan am... H Sashiwa,Y Makimura,R Roy,... -...
Giancarlo Cravotto,,Silvia Tagliapietra,Bruna Robaldo,et al.Chemical modification of chitosan under high-intensity ultrasound. Ultrasonics Sonochemistry . 2005Cravotto, Giancarlo, Tagliapietra, Silvia, Robaldo, Bruna, & Trotta, & Michele (2005). Chemical modification of chitosan under high-intensity ...
The recent progress in synthesis and application of adsorbents for metal ions,which were based on chitosan and its derivates,was summarized in this article.Chemical modification and synthesis of chitosan derivates were introduced with emphasis,such as crosslink,N-acylate,graft copolymerization.Meanwhile...
Chitosan (Chit) is a naturally derived polymer with significant potential for applications in medicine and pharmacology. Despite its biological activity, biocompatibility, cost-effectiveness, biodegradability, and low toxicity, Chit limited water solubility at pH < 6, restricts its use in biological...
Chitosans are recognized as ... C Randy,N Tzi,W Jack,... - 《Marine Drugs》 被引量: 121发表: 2015年 Chemical modification of biomedical materials with genipin Biocompatible cross-linked materials, suitable for use in implants, wound dressings, and blood substitutes, are described. The ...
The advancement in the research of chitin and chitosan's chemical modification is generalized. 介绍了甲壳素和壳聚糖化学改性的研究进展. 互联网 A type casting adhesive based on PVA as mian material has been prepared by chemical modification. 以聚乙烯醇为主要原料,采用化学改性的方法成功制备了A型铸造粘...
the importance of phthaloylated chitosan as a key intermediate that allows controlled modification reactions of chitosan, phthaloylation of chitosan was studied in detail to elucidate the substitution behavior and to establish a reliable method for preparing structurally well-defined N-phthaloyl-chitosan...