CN103263688A - 一种明胶组合物及其制备方法和应用 - Google Patents
一种明胶组合物及其制备方法和应用 Download PDFInfo
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- CN103263688A CN103263688A CN2013101701697A CN201310170169A CN103263688A CN 103263688 A CN103263688 A CN 103263688A CN 2013101701697 A CN2013101701697 A CN 2013101701697A CN 201310170169 A CN201310170169 A CN 201310170169A CN 103263688 A CN103263688 A CN 103263688A
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- gelatin
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- hydroxylation
- mtg
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- 239000000203 mixture Substances 0.000 title claims abstract description 101
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- 108090000790 Enzymes Proteins 0.000 claims description 37
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- 239000000499 gel Substances 0.000 claims description 27
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Images
Landscapes
- Enzymes And Modification Thereof (AREA)
Abstract
Description
MTG添加量(μL) | 200 | 200 | 200 | 200 | 200 | 200 |
PG添加量(μL) | 100 | 100 | 100 | 100 | 100 | 100 |
明胶添加量(mg/ml) | 0 | 20 | 40 | 60 | 80 | 100 |
1min后 | 不凝结 | 不凝结 | 不凝结 | 不凝结 | 凝结 | 凝结 |
20min后 | 不凝结 | 不凝结 | 不凝结 | 微量凝结 | 凝结 | 凝结 |
血液添加量(加抗凝血剂)(ml) | 2 | 2 | 2 | 2 | 0 |
MTG添加量(μL) | 200 | 0 | 200 | 200 | 200 |
明胶添加量(mg/ml) | 0 | 60 | 60 | 60 | 60 |
PG添加量(μL) | 100 | 100 | 100 | 0 | 100 |
磷酸盐缓冲液 | 0 | 0 | 0 | 0 | 2 |
1min后 | 不凝结 | 不凝结 | 凝结 | 不凝结 | 不凝结 |
2min后 | 不凝结 | 不凝结 | 凝结 | 凝结 | 不凝结 |
温度(℃) | 25 | 30 | 35 | 40 | 45 | 50 |
凝胶时间(s) | 100 | 90 | 70 | 70 | 90 | 120s |
反应温度(℃) | 4 | 37 | 50 | 80 |
普通MTG酶活(U/ml) | 0.5 | 10 | 12 | 0 |
低温MTG酶活(U/ml) | 7.6 | 10 | 8.3 | 1 |
明胶羟化程度 | 交联凝胶的描述 |
无羟化 | 凝胶是脆的,无粘合性 |
10%-20%羟化 | 凝胶保持良好的粘合性,但是5min后变脆 |
30%-40%羟化 | 凝胶具有良好的粘合性和弹性,具有非常好的稳定性 |
50%-70%羟化 | 凝胶具有良好的粘合性,具有良好的稳定性,但是硬度太强 |
80%-100%羟化 | 凝胶具有良好的稳定性,但是融化点也相应提高,硬度太强,无弹性 |
Claims (9)
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CN103263688A true CN103263688A (zh) | 2013-08-28 |
CN103263688B CN103263688B (zh) | 2014-07-30 |
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CN103820411A (zh) * | 2013-12-02 | 2014-05-28 | 华东师范大学 | 一种微生物谷氨酰胺转胺酶及其制备的日常用止血产品 |
CN104489232A (zh) * | 2015-01-06 | 2015-04-08 | 韩山师范学院 | 一种包衣凝胶糖果及其制备方法 |
CN108187129A (zh) * | 2018-02-07 | 2018-06-22 | 广州迈普再生医学科技有限公司 | 一种可吸收的明胶止血粉及其制备方法 |
CN109503707A (zh) * | 2018-11-22 | 2019-03-22 | 江西师范大学 | 一种提高鱼皮明胶品性的方法 |
CN110591126A (zh) * | 2019-09-20 | 2019-12-20 | 西安交通大学 | 一种可注射磁性水凝胶及其制备方法 |
CN116607322A (zh) * | 2023-07-06 | 2023-08-18 | 成都尚元太生物科技有限公司 | 一种选择性去除活化白细胞的高分子生物材料 |
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CN103820411A (zh) * | 2013-12-02 | 2014-05-28 | 华东师范大学 | 一种微生物谷氨酰胺转胺酶及其制备的日常用止血产品 |
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CN103820412B (zh) * | 2013-12-02 | 2016-05-04 | 华东师范大学 | 用于临床手术创伤的快速止血产品及其制备方法和应用 |
CN103820411B (zh) * | 2013-12-02 | 2016-05-04 | 华东师范大学 | 一种微生物谷氨酰胺转胺酶及其制备的日常用止血产品 |
CN104489232A (zh) * | 2015-01-06 | 2015-04-08 | 韩山师范学院 | 一种包衣凝胶糖果及其制备方法 |
CN108187129A (zh) * | 2018-02-07 | 2018-06-22 | 广州迈普再生医学科技有限公司 | 一种可吸收的明胶止血粉及其制备方法 |
US11998654B2 (en) | 2018-07-12 | 2024-06-04 | Bard Shannon Limited | Securing implants and medical devices |
CN109503707A (zh) * | 2018-11-22 | 2019-03-22 | 江西师范大学 | 一种提高鱼皮明胶品性的方法 |
CN110591126A (zh) * | 2019-09-20 | 2019-12-20 | 西安交通大学 | 一种可注射磁性水凝胶及其制备方法 |
CN116607322A (zh) * | 2023-07-06 | 2023-08-18 | 成都尚元太生物科技有限公司 | 一种选择性去除活化白细胞的高分子生物材料 |
CN116607322B (zh) * | 2023-07-06 | 2023-10-13 | 成都尚元太生物科技有限公司 | 一种选择性去除活化白细胞的高分子生物材料 |
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