Structure and Characteristics of Bacterial Cellulose-Based Hydrogels Prepared by Cryotropic Gelation and Irradiation Methods

被引：15

作者：

Pandey, Manisha ^{[1
]}

Amin, Mohd Cairul Iqbal Mohd ^{[1
]}

Mohamad, Najwa ^{[1
]}

Ahmad, Naveed ^{[1
]}

Muda, Shahrani ^{[1
]}

机构：

[1] Univ Kebangsaan Malaysia, Fac Pharm, Ctr Drug Delivery Res, Kuala Lumpur, Malaysia

来源：

POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2013年 / 52卷 / 14期

关键词：

Acrylamide; Bacterial cellulose; Freezing; Microwave irradiation; NAOH/UREA AQUEOUS-SOLUTIONS; PH-SENSITIVE HYDROGEL; DRUG-DELIVERY; CONTROLLED-RELEASE; CROSS-LINKING; ACRYLAMIDE; ACID; HYDROCHLORIDE; BEHAVIOR; COPOLYMERS;

D O I：

10.1080/03602559.2013.820755

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Full interpenetrating network hydrogel of solubilized bacterial cellulose (BC)/acrylamide (Am) were synthesized by freezing, microwave irradiation and combination of both using epichlorohydrin and N,N-methylenebisacrylamide as a cross-linker for BC and Am respectively. FT-IR analysis of the hydrogels confirmed the grafting and indicated freezing method to limit the hydrolysis of acrylamide. X-ray diffractogram revealed that crystallinity of cellulose was reduced in hydrogel prepared by microwave radiation. The hydrogels exhibited pH and ionic responsive swelling behavior, with hydrogels prepared by an irradiation method, which exhibited higher swelling ratios. The release kinetics of hydrogels indicated a non-Fickian diffusion mechanism.

引用

页码：1510 / 1518

页数：9

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