SEM result showed that the sample had uniform phase distribution and smooth surface at dried state as well as interpenetrate network structure at hydrogel state. It was seen from the swell ing behavior curves that groups T1, T2 and T3 swelled rapidly within 10-30 minutes, and formed elastic composite hydrogel pipes. In addition, the expanding ratio of inner and outer diameter of the tube was 20%-30% and 100%-120% with swell ing, respectively. The equil ibrium water content of the hydrogel pipes increased with increase of collagen composition. Three groups of samples were immerged in PBS solution contained 2 mg/mL lysozyme at 37 for 1 month, their nozzle cracked, their wall became thin and more transparent. And also, there was small floc deposited on the tube surface.

掃描電鏡觀察到液氮脆斷的人工淚小管內(nèi)部成分分布均勻，內(nèi)外壁表面平整美女销魂国产一级A片，冷凍干燥的人工淚小管斷口呈凝膠態(tài)的互穿網(wǎng)絡(luò)結(jié)構(gòu)yw193.com。3 組不同成分的人工淚小管在PBS 溶液中浸泡30 min 后均快速吸水溶脹，外徑擴(kuò)大100%～ 120%国产激情综合网，內(nèi)徑擴(kuò)大20%～ 30%国产天美精品VA在线观看，并且隨膠原含量增高，溶脹速度增快91午夜在线视频，平衡溶脹率增大A片视频观看。3 組人工淚小管在37℃含2 mg/mL 溶菌酶的PBS 液中浸泡1 個(gè)月后，表面有部分細(xì)小絮狀物无码国产有码精品91，管口開裂国产免费特大黄色网站，管壁變薄，透明度增加搜索欧美黄片。