{"id":255269,"date":"2023-10-22T06:16:04","date_gmt":"2023-10-21T22:16:04","guid":{"rendered":"\/\/m.iemloyee.com\/?p=255269"},"modified":"2023-10-21T22:16:49","modified_gmt":"2023-10-21T14:16:49","slug":"%e8%a5%bf%e5%ae%89%e4%ba%a4%e9%80%9a%e5%a4%a7%e5%ad%a6nature-protocols%ef%bc%9a%e7%89%a9%e7%90%86%e5%8a%a8%e6%80%81%e5%8f%8c%e7%bd%91%e7%bb%9c%e6%b0%b4%e5%87%9d%e8%83%b6%e4%bd%9c%e4%b8%ba%e6%95%b7","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=255269","title":{"rendered":"\u897f\u5b89\u4ea4\u901a\u5927\u5b66Nature Protocols\uff1a\u7269\u7406\u52a8\u6001\u53cc\u7f51\u7edc\u6c34\u51dd\u80f6\u4f5c\u4e3a\u6577\u6599\uff0c\u4fc3\u8fdb\u7ec4\u7ec7\u4fee\u590d"},"content":{"rendered":"
\u00a0<\/p>\n
\u4e00\u3001\u3010\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u6577\u6599\u5728\u4f24\u53e3\u7ba1\u7406\u4e2d\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\uff0c\u56e0\u4e3a\u5b83\u4eec\u53ef\u4ee5\u4fdd\u62a4\u4f24\u53e3\u514d\u53d7\u5916\u90e8\u611f\u67d3\uff0c\u5e76\u52a0\u5feb\u6108\u5408\u8fc7\u7a0b\u3002\u5728\u5404\u79cd\u53ef\u7528\u7684\u6577\u6599\u4e2d\uff0c\u6c34\u51dd\u80f6<\/strong>\u56e0\u5176\u53ef\u8c03\u8282\u7684\u5316\u5b66\uff0c\u7269\u7406\u548c\u751f\u7269\u5b66\u7279\u6027\u4ee5\u53ca\u53ef\u5438\u6536\u548c\u4fdd\u7559\u5927\u91cf\u6c34\u7684\u4e09\u7ef4\u4ea4\u8054\u805a\u5408\u7269\u7f51\u7edc\u800c\u53d7\u5230\u8d8a\u6765\u8d8a\u591a\u7684\u5173\u6ce8\u3002\u968f\u7740\u7814\u7a76\u7684\u6df1\u5165\uff0c\u5177\u6709\u5355\u4e00\u529f\u80fd\u7684\u6c34\u51dd\u80f6\u6577\u6599\u96be\u4ee5\u6ee1\u8db3\u4ea4\u9519\u6108\u5408\u7684\u8981\u6c42\uff0c\u56e0\u6b64\u9700\u8981\u8bbe\u8ba1\u5177\u6709\u591a\u79cd\u53ef\u8c03\u529f\u80fd\u7684\u667a\u80fd\u6c34\u51dd\u80f6\u30022003\u5e74\uff0cGong\u7b49\u4eba\u9996\u6b21\u62a5\u9053\u4e86\u4e00\u79cd\u901a\u8fc7\u4e24\u6b65\u5e8f\u81ea\u7531\u57fa\u805a\u5408\u5236\u5907\u7684\u53cc\u7f51\u72b6\u6c34\u51dd\u80f6\uff08Adv. Mater. 2003, 15, 1155\u20131158\uff09\uff0c\u4e0e\u5355\u7f51\u72b6\u6c34\u51dd\u80f6\u76f8\u6bd4\u63d0\u9ad8\u4e86\u97e7\u6027\u3002\u968f\u7740\u7814\u7a76\u7684\u6df1\u5165\uff0c\u8d8a\u6765\u8d8a\u591a\u5408\u6210\u53cc\u7f51\u72b6\u6c34\u51dd\u80f6\u7684\u65b9\u6cd5\u88ab\u5f00\u53d1\u51fa\u6765\u3002\u5df2\u6709\u7684\u5236\u5907\u53cc\u7f51\u72b6\u6c34\u51dd\u80f6\u65b9\u6cd5\u5305\u62ec\u5316\u5b66\u4ea4\u8054\u3001\u6df7\u5408\u5316\u5b66\/\u7269\u7406\u4ea4\u8054\u548c\u7269\u7406\u4ea4\u8054\u3002\u5176\u4e2d\u7269\u7406\u76f8\u4e92\u4f5c\u7528\u5f62\u6210\u7684\u6c34\u51dd\u80f6\u901a\u5e38\u6bd4\u5316\u5b66\u4ea4\u8054\u7684\u6c34\u51dd\u80f6\u7f51\u7edc\u5177\u6709\u66f4\u9ad8\u7684\u52a8\u6001\u7f51\u7edc\uff0c\u53ef\u4ee5\u63d0\u4f9b\u81ea\u6108\u7279\u6027\u3002\u8fd1\u65e5\uff0c\u90ed\u4fdd\u6797\u56e2\u961f\u5728\u514b\u670d\u5355\u7f51\u72b6\u6c34\u51dd\u80f6\u673a\u68b0\u5f3a\u5ea6\u4e0d\u8db3\u7684\u57fa\u7840\u4e0a\uff082017\u5e74\u90ed\u6559\u6388\u7684\u7814\u7a76\uff09\uff0c\u5f00\u53d1\u4e86\u4e00\u79cd\u7269\u7406\u52a8\u6001\u53cc\u7f51\u7edc\u6c34\u51dd\u80f6<\/strong>\u7684\u901a\u7528\u5236\u5907\u65b9\u6cd5\uff0c\u4e0e\u5176\u4ed6\u7269\u7406\u4ea4\u8054\u6c34\u51dd\u80f6\u76f8\u6bd4\uff0c\u8fd9\u79cd\u7c7b\u578b\u7684\u6c34\u51dd\u80f6\u663e\u793a\u51fa\u975e\u5e38\u9ad8\u7684\u97e7\u6027\uff0c\u4f7f\u5176\u6210\u4e3a\u9700\u8981\u590d\u6742\u8fd0\u52a8\u7684\u4f24\u53e3\u6577\u6599\u7684\u7406\u60f3\u9009\u62e9\u3002<\/p>\n \u4e8c\u3001\u3010\u6210\u679c\u63a0\u5f71\u3011<\/strong><\/p>\n \u5f97\u76ca\u4e8e\u58f3\u805a\u7cd6(\u4f5c\u4e3a\u7b2c\u4e00\u7f51\u7edc)\u548c\u805a\u4e59\u70ef\u9187\u7ed3\u6676(\u4f5c\u4e3a\u7b2c\u4e8c\u7f51\u7edc)\u4e4b\u95f4\u7684\u6c22\u952e\u53ef\u4ee5\u751f\u6210\u7269\u7406\u4ea4\u8054\u7684\u53cc\u7f51\u7edc\u6c34\u51dd\u80f6\uff0c\u4ee5\u53ca\u758f\u6c34\u7f14\u5408\u548c\u6c22\u952e\u76f8\u4e92\u4f5c\u7528\u4e5f\u53ef\u7528\u4e8e\u83b7\u5f97\u53cc\u7f51\u7edc\u6c34\u51dd\u80f6\uff0c\u90ed\u4fdd\u6797\u56e2\u961f\u63cf\u8ff0\u4e86\u4e00\u79cd\u5236\u5907\u7269\u7406\u53cc\u7f51\u72b6\u6c34\u51dd\u80f6\u7684\u65b9\u6cd5\uff0c\u4ee5\u53ca\u5176\u5728\u4f24\u53e3\u6577\u6599\u3001\u751f\u7269\u7c98\u5408\u5242\u548c\u6b62\u8840\u5242\u7b49\u65b9\u9762\u7684\u5e94\u7528\u3002\u540c\u65f6\u4e5f\u5bf9\u8868\u5f81\u5176\u5c5e\u6027\u7684\u65b9\u6cd5\u8fdb\u884c\u4e86\u63a2\u7a76\u3002\u76f8\u5173\u7684\u7814\u7a76\u6210\u679c\u4ee5\u201cPhysical dynamic double-network hydrogels as dressings to facilitate tissue repair<\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Nature Protocols<\/em><\/strong>\u4e0a\u3002<\/p>\n \u4e09\u3001\u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/strong><\/p>\n \u56db\u3001\u3010\u6570\u636e\u6982\u89c8\u3011<\/strong><\/p>\n \u56fe<\/strong>1 | <\/strong>PEGSD\/GTU\u6c34\u51dd\u80f6\u5236\u5907\u793a\u610f\u56fe\u3002a,b, PEGSD\u9884\u805a\u7269\u7684\u5408\u6210\u3002c, UPy-HDI\u7684\u5408\u6210\u3002d, GTU\u7684\u5408\u6210\u3002e, PEGSD\/GTU\u6c34\u51dd\u80f6\u7684\u5236\u5907\uff0c\u4ee5\u53ca\u6c34\u51dd\u80f6\u7f51\u7edc\u4e2d\u7269\u7406\u53cc\u52a8\u6001\u4ea4\u8054\u793a\u610f\u56fe\u3002<\/p>\n \u56fe<\/strong>2 | <\/strong>PEGSD\u548cGTU\u805a\u5408\u7269\u7684\u8868\u5f81\u3002a, PEGSD2\u805a\u5408\u7269\u76841h NMR\u8c31\u3002b, PEGSD2\u805a\u5408\u7269\u3001\u660e\u80f6\u548cGTU\u805a\u5408\u7269\u7684FT-IR\u5149\u8c31\u3002c, \u51dd\u80f6\u548cGTU7.5\u805a\u5408\u7269\u76841<\/sup>H NMR\u8c31\u3002d, \u4e0d\u540c\u90bb\u82ef\u4e8c\u915a\u63a5\u679d\u7387PEGSD\u805a\u5408\u7269\u7684\u7d2b\u5916\u53ef\u89c1\u5149\u8c31\u3002\u4ee5\u53bb\u79bb\u5b50\u6c34(DI)\u4e3a\u6eb6\u5242\u3002e, \u4e0d\u540cUPy-HDI\u63a5\u679d\u6bd4\u4e0bGTU\u805a\u5408\u7269\u7684\u7d2b\u5916\u53ef\u89c1\u5149\u8c31\u3002\u91c7\u7528\u4e8c\u7532\u57fa\u4e9a\u781c\u4f5c\u4e3a\u6eb6\u5242\u3002<\/strong><\/p>\n \u56fe<\/strong>3 |<\/strong>\u7269\u7406\u53cc\u7f51\u72b6\u6c34\u51dd\u80f6\u7684\u6027\u8d28\u3002a, PEGSD2\/GTU5.0\u6c34\u51dd\u80f6\u56fe\u7247\u3002b, PEGSD2\/GTU5.0\u6c34\u51dd\u80f6\u7684\u538b\u7f29\u72b6\u6001\u3002c, PEGSD2\/GTU5.0\u6c34\u51dd\u80f6\u7684\u62c9\u4f38\u72b6\u6001\u3002d, PEGSD2\u3001PEGSD2\/GT\u3001PEGSD3\/GTU2.5\u3001PEGSD2\/GTU5.0\u3001PEGSD2\/GTU7.5\u6c34\u51dd\u80f6\u81a8\u80c0\u524d\u540e\u7684SEM\u56fe\u50cf\uff0c\u6bd4\u4f8b\u5c3a\uff0c300\u00b5m\u3002e, \u4e0d\u540c\u6c34\u51dd\u80f6\u5bf9PBS\u8fbe\u5230\u6eb6\u80c0\u5e73\u8861\u65f6\u7684\u6eb6\u80c0\u6bd4\u3002f\uff0c\u901a\u8fc716g\u9488\u6ce8\u5c04PEGSD2\/GTU5.0\u6c34\u51dd\u80f6\u56fe\u50cf\u3002g\uff0c\u201cXJTU\u201d\u7eb9\u7406\uff0c\u753116g\u9488\u6ce8\u5165\u7684\u6c34\u51dd\u80f6\u4e66\u5199\u3002<\/p>\n \u56fe<\/strong>4 |<\/strong>PEGSD2\/GTU5.0\u6c34\u51dd\u80f6\u7684\u81ea\u6108\u884c\u4e3a\u3002a\u3001\u5c06PEGSD2\/GTU5.0\u6c34\u51dd\u80f6\u5728\u5ba4\u6e29\u4e0b\u5207\u5272\u6108\u5408\u5728\u4e00\u8d77\uff0c\u6108\u5408\u540e\u7684\u6c34\u51dd\u80f6\u5177\u6709\u826f\u597d\u7684\u7c98\u63a5\u6027\u548c\u673a\u68b0\u5f3a\u5ea6\uff0c\u53ef\u627f\u53d76 g\u7ba1\u3002b\u3001PEGSD2\/GUT5.0\u6c34\u51dd\u80f6\u7684\u70ed\u89e6\u53d1\u6108\u5408\u884c\u4e3a\u3002\u572837\u00b0C\u4e0b\uff0c\u6c34\u51dd\u80f6\u572812\u5206\u949f\u5185\u6108\u5408\u3002C .\u8fd1\u7ea2\u5916\u8f90\u5c04\u89e6\u53d1\u6c34\u51dd\u80f6\u7684\u6108\u5408\u884c\u4e3a\uff0c\u572845 s\u5185\u6108\u5408\u3002d\uff0c\u6c34\u51dd\u80f6\u572837\u2103\u4e0b\u7684\u50a8\u5b58\u6a21\u91cf\u548c\u635f\u5931\u6a21\u91cf\u3002e\u3001\u6c34\u51dd\u80f6\u5728\u6d41\u53d8\u6027\u80fd\u6e29\u5ea6\u626b\u63cf\u8bd5\u9a8c\u4e2d\u7684\u50a8\u5b58\u6a21\u91cf\u548c\u635f\u5931\u6a21\u91cf\u3002f, PEGSD2\/GUT5.0\u6c34\u51dd\u80f6\u5bf9\u83cc\u682a\u7684\u50a8\u5b58\u6a21\u91cf\u548c\u635f\u5931\u6a21\u91cf(0.1% ~ 1000%)\u3002g\u3001PEGSD2\/GTU5.0\u6c34\u51dd\u80f6\u8fde\u7eed\u9636\u5e94\u53d8\u8bd5\u9a8c\u7ed3\u679c\u3002\u9ad8\u5e94\u53d8\u4e3a250%\uff0c\u4f4e\u5e94\u53d8\u4e3a1%\u3002\u6bd4\u4f8b\u5c3a\uff0c1\u5398\u7c73\u3002<\/p>\n \u56fe<\/strong>5 |<\/strong>\u6c34\u51dd\u80f6\u5149\u70ed\u6297\u83cc\u6548\u679c\u3002a, \u5149\u5f3a\u4e3a1.4 W\/cm2\u65f6\u6c34\u51dd\u80f6\u548c\u6c34\u51dd\u80f6\u524d\u9a71\u4f53\u5171\u805a\u7269\u6eb6\u6db2\u7684\u6e29\u5ea6\u53d8\u5316\u3002b, \u5149\u5f3a\u4e3a0.6 ~ 1.4\u548c2.3 W\/cm2\u65f6PEGSD2\/GTU5.0\u7684\u2206T-NIR\u8f90\u7167\u65f6\u95f4\u66f2\u7ebf\u3002c, \u70ed\u56fe10 wt %\u7684\u660e\u80f6\u6eb6\u6db2,10 wt % GTU5.0\u89e3\u51b3\u65b9\u6848,15 wt % PEGSD2\u89e3\u51b3\u65b9\u6848,\u6c34\u51dd\u80f6PEGSD2,\u6c34\u51dd\u80f6PEGSD2 \/ GT\u548c\u6c34\u51dd\u80f6PEGSD2 \/ 10\u5206\u949f\u540eGTU5.0\u8fd1\u7ea2\u5916\u7167\u5c04\u4e0b\u5149\u5f3a\u5ea6\u4e3a1.4 W \/ cm2 (i-vi)\u548c\u70ed\u6c34\u51dd\u80f6\u7684\u5730\u56fePEGSD2 \/ GTU5.0\u7684\u5149\u5f3a\u5ea6\u4e0b0.6(\u4e03)\u548c2.3 W \/ cm2(\u516b),d, e, Killing-irradiation\u65f6\u95f4\u66f2\u7ebf(d)\u548c\u5927\u80a0\u6746\u83cc\u91d1\u9ec4\u8272\u8461\u8404\u7403\u83cc(e) PEGSD2 \/ GTU5.0\u548cPBS\u7ec4\u63a5\u89e6\u8fd1\u7ea2\u5916\u5149\u8c31\u8f90\u7167\u540e\u4e0d\u540c\u65f6\u95f4(1.4 W \/ cm2)\u3002f, PEGSD2\/GTU5.0 (ii\u548civ)\u7ec4\u548cPBS (i\u548ciii)\u7ec4\u5728\u8fd1\u7ea2\u5916\u8f90\u5c04(1.4 W\/cm2)\u4e0b\u5206\u522b\u66b4\u97320\u30011\u30013\u30015\u548c10\u5206\u949f\u540e\u7684\u5b58\u6d3b\u5927\u80a0\u6746\u83cc(i\u548cii)\u548c\u91d1\u9ec4\u8272\u8461\u8404\u7403\u83cc(iii\u548civ)\u7684\u7167\u7247\u3002<\/p>\n \u56fe<\/strong>6 |<\/strong>\u6c34\u51dd\u80f6\u7684\u6297\u6c27\u5316\u548c\u6309\u9700\u53bb\u9664\u3002a, \u4e0d\u540c\u6d53\u5ea6\u6c34\u51dd\u80f6\u5bf9\u7a33\u5b9a\u81ea\u7531\u57faDPPH\u2022\u7684\u6e05\u9664\u6548\u7387\u3002**P < 0.01\uff0c ***P < 0.001\u3002b, \u7a7a\u767d\u3001156\u00b5g\/mL GTU5.0\u548c\u6d53\u5ea6\u4e3a39 ~ 156\u00b5g\/mL\u7684\u6c34\u51dd\u80f6\u5206\u6563\u6db2\u7684DPPH\u2022\u7d2b\u5916\u53ef\u89c1\u5149\u8c31\u3002c, \u8fd1\u7ea2\u5916\u8f90\u7167\u4e0bPEGSD2\/ GTU5.0\u6c34\u51dd\u80f6\u7684\u51dd\u80f6-\u6eb6\u80f6\u8f6c\u53d8\u3002d, \u6c34\u51dd\u80f6PEGSD2\/GTU5.0\u572837\u00b0C\u548c45\u00b0C\u76842%\u918b\u9178\u6eb6\u6db2\u4e2d\u6d78\u6ce11 min\u30015 min\u300110 min\u300115 min\u300120 min\u548c30 min\u7684\u7167\u7247\u3002<\/p>\n \u539f\u6587\u8be6\u60c5\uff1a<\/strong>https:\/\/doi.org\/10.1038\/s41596-023-00878-9<\/p>\n \u672c\u6587\u7531<\/strong>charfreen<\/strong>\u64b0\u7a3f<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":" \u00a0 \u4e00\u3001\u3010\u5bfc\u8bfb\u3011 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