A rapid, non-invasive and non-destructive method for studying swelling behavior and microstructure variations of hydrogels
文献类型：期刊论文
| 作者 | Li, Yaqiong1; Li, Xiunan2; Chen, Chao2; Zhao, Dawei2; Su, Zhiguo2,3; Ma, Guanghui2; Yu, Rong1 |
| 刊名 | CARBOHYDRATE POLYMERS
 |
| 出版日期 | 2016-10-20 |
| 卷号 | 151期号:OCT页码:1251-1260 |
| 关键词 | Hydrogels Swelling LF-NMR T-2 Microstructure |
| ISSN号 | 0144-8617 |
| 英文摘要 | A new method for studying swelling behavior of hydrogels was developed based on low field NMR (LFNMR). This method is established on these facts: firstly, internal water (water trapped in hydrogel) and external water (water outside of hydrogel) correspond to different components of transverse relaxation time (T-2); secondly, T-2 component amplitude is proportional to relative water content; and finally, T-2 value is closely related to mesh size of hydrogel network, the main effect being due to the overall concentration (degree of swelling). This method was successfully applied to swelling ratio determination of chitosan/glutaraldehyde (CS/GA) hydrogels in situ, and the results had better accuracy and repeatability compared with that of weighing method. Furthermore, swelling kinetics at different pH and microstructure of CS/GA hydrogels was well elucidated based on T-2. It is clearly showed that LF-NMR provides a powerful tool for probing processes related to water transport and microstructure variation of hydrogels. (C) 2016 Elsevier Ltd. All rights reserved. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 类目[WOS] | Chemistry, Applied ; Chemistry, Organic ; Polymer Science |
| 研究领域[WOS] | Chemistry ; Polymer Science |
| 关键词[WOS] | CONTROLLED-RELEASE ; WATER MOBILITY ; NMR RELAXATION ; DRUG-DELIVERY ; LUNG INJURY ; CHITOSAN ; PROTEIN ; GELATINIZATION ; DYNAMICS ; PH |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000380943900142 |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/21288]  |
| 专题 | 过程工程研究所_生化工程国家重点实验室 |
| 作者单位 | 1.Sichuan Univ, West China Sch Pharm, Minist Educ, Key Lab Drug Targeting & Drug Delivery Syst, Chengdu 610041, Peoples R China 2.Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China 3.Jiangsu Natl Synerget Innovat Ctr Adv Mat SICAM, Nanjing 210023, Jiangsu, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Yaqiong,Li, Xiunan,Chen, Chao,et al. A rapid, non-invasive and non-destructive method for studying swelling behavior and microstructure variations of hydrogels[J]. CARBOHYDRATE POLYMERS,2016,151(OCT):1251-1260. |
| APA | Li, Yaqiong.,Li, Xiunan.,Chen, Chao.,Zhao, Dawei.,Su, Zhiguo.,...&Yu, Rong.(2016).A rapid, non-invasive and non-destructive method for studying swelling behavior and microstructure variations of hydrogels.CARBOHYDRATE POLYMERS,151(OCT),1251-1260. |
| MLA | Li, Yaqiong,et al."A rapid, non-invasive and non-destructive method for studying swelling behavior and microstructure variations of hydrogels".CARBOHYDRATE POLYMERS 151.OCT(2016):1251-1260. |
入库方式： OAI收割
来源：过程工程研究所
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