{"id":214572,"date":"2020-12-17T06:45:42","date_gmt":"2020-12-16T22:45:42","guid":{"rendered":"\/\/m.iemloyee.com\/?p=214572"},"modified":"2020-12-16T21:46:27","modified_gmt":"2020-12-16T13:46:27","slug":"%e6%b8%85%e5%8d%8e%e5%a4%a7%e5%ad%a6%e9%99%b6%e7%a3%8a%e8%af%be%e9%a2%98%e7%bb%84nat-commun-%ef%bc%9a%e4%b8%8d%e6%83%a7%e6%a0%b8%e8%be%90%e5%b0%84%ef%bc%8c%e6%96%b0%e5%9e%8b%e9%98%b2%e8%be%90","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=214572","title":{"rendered":"\u6e05\u534e\u5927\u5b66\u9676\u78ca\u8bfe\u9898\u7ec4Nat. Commun.\uff1a\u4e0d\u60e7\u6838\u8f90\u5c04\uff0c\u65b0\u578b\u9632\u8f90\u5c04\u805a\u5408\u7269\u8bde\u751f"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u4eba\u7c7b\u672a\u6765\u4e00\u5b9a\u4f1a\u8d70\u51fa\u5730\u7403\u6447\u7bee\u8fdb\u5165\u661f\u8fb0\u5927\u6d77\u3002\u5728\u672a\u6765\u957f\u8fbe\u6570\u5e74\u6216\u6570\u5341\u5e74\u7684\u661f\u9645\u65c5\u884c\u4e2d\uff0c\u4eba\u4eec\u4f1a\u9762\u4e34\u5927\u91cf\u7684\u56f0\u96be\uff0c\u9ad8\u80fd\u5b87\u5b99\u5c04\u7ebf\u5c31\u662f\u4e0d\u53ef\u907f\u514d\u7684\u95ee\u9898\u4e4b\u4e00\u3002\u540c\u65f6\uff0c\u6838\u6280\u672f\u5728\u73b0\u4ee3\u793e\u4f1a\u5e7f\u6cdb\u5e94\u7528\uff0c\u65f6\u6709\u53d1\u751f\u7684\u6838\u6cc4\u6f0f\u4e8b\u6545\u548c\u6f5c\u5728\u7684\u6050\u6016\u88ad\u51fb\u5747\u53ef\u80fd\u589e\u52a0\u4eba\u4eec\u53d7\u5230\u9ad8\u5242\u91cf\u7535\u79bb\u8f90\u5c04\u7684\u98ce\u9669\u3002\u76ee\u524d\uff0c\u6c28\u78f7\u6c40\u662f\u88ab\u6279\u51c6\u7528\u4f5c\u4e0e\u653e\u5c04\u6cbb\u7597\u76f8\u5173\u7684\u72ed\u7a84\u4e34\u5e8a\u9002\u5e94\u75c7\u7684\u552f\u4e00\u8f90\u5c04\u4fdd\u62a4\u5242\u3002\u7136\u800c\uff0c\u6c28\u78f7\u6c40\u8fd9\u4e00\u5c0f\u5206\u5b50\u836f\u7269\u4f1a\u8fc5\u901f\u88ab\u4eba\u4f53\u6392\u51fa\u4f53\u5916(\u7ed9\u836f1\u5c0f\u65f6\u540e\u8840\u6d46\u4e2d\u53ea\u5269\u4e0b\u7ea65%)\uff0c\u540c\u65f6\u4f4e\u5242\u91cf\u6c28\u78f7\u6c40\u5c31\u4f1a\u4ea7\u751f\u4e25\u91cd\u7684\u526f\u4f5c\u7528(\u5982\u4f4e\u8840\u538b\u3001\u53d1\u70ed\u3001\u6076\u5fc3\u548c\u5455\u5410)\uff0c\u8fd9\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u9650\u5236\u4e86\u5b83\u5728\u9ad8\u5242\u91cf\u7535\u79bb\u8f90\u5c04\u9632\u62a4\u65b9\u9762\u7684\u5e94\u7528\u3002\u56e0\u6b64\uff0c\u5f00\u53d1\u5b89\u5168\u6709\u6548\u7684\u653e\u5c04\u4fdd\u62a4\u5242\u7528\u4e8e\u6cbb\u7597\u6216\u9884\u9632\u9ad8\u5242\u91cf\u8f90\u5c04\u9020\u6210\u7684\u6025\u6027\u635f\u4f24\u5bf9\u56fd\u5bb6\u5b89\u5168\u3001\u516c\u5171\u5065\u5eb7\u3001\u793e\u4f1a\u53d1\u5c55\u5747\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n \u5c06\u5c0f\u5206\u5b50\u836f\u7269\u8f6c\u5316\u4e3a\u9ad8\u5206\u5b50\u53ef\u4ee5\u89e3\u51b3\u5c0f\u5206\u5b50\u836f\u7269\u5e94\u7528\u7684\u4e00\u4e9b\u95ee\u9898(\u5982\u5feb\u901f\u6392\u51fa\u4f53\u5185\u3001\u6c34\u6eb6\u6027\u5dee\u3001\u4e0d\u7a33\u5b9a\u6027\u548c\u6bd2\u6027)\u3002\u7136\u800c\uff0c\u7531\u4e8e\u7f3a\u4e4f\u7b80\u4fbf\u7684\u5408\u6210\u624b\u6bb5\uff0c\u5173\u4e8e\u9ad8\u5206\u5b50\u805a\u5408\u7269\u8f90\u5c04\u4fdd\u62a4\u5242\u7684\u7814\u7a76\u975e\u5e38\u5c11\u3002<\/p>\n \u3010\u7814\u7a76\u8fdb\u5c55\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u6e05\u534e\u5927\u5b66\u5316\u5b66\u7cfb\u9676\u78ca\u8bfe\u9898\u7ec4\u5728Nature communications\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u9898\u76ee\u4e3a\u201cHigh-throughput preparation of radioprotective polymers via Hantzsch\u2019s reaction for in vivo X-ray damage determination\u201d\u7684\u6587\u7ae0\u3002\u8be5\u7814\u7a76\u5c06Hantzsch\u53cd\u5e94\u3001\u9ad8\u901a\u91cf\uff08HTP\uff09\u6280\u672f\u548c\u9ad8\u5206\u5b50\u5316\u5b66\u76f8\u7ed3\u5408\uff0c\u5f00\u53d1\u4e86\u5177\u6709\u6297\u8f90\u5c04\u80fd\u529b\u7684\u9ad8\u5206\u5b50\u8f90\u5c04\u4fdd\u62a4\u5242\uff0c\u4f18\u5316\u7684\u9ad8\u5206\u5b50\u9632\u62a4\u5242\u5177\u6709\u826f\u597d\u7684\u5b89\u5168\u6027\uff0c\u80fd\u6709\u6548\u5730\u4fdd\u62a4\u7ec6\u80de\u548c\u6591\u9a6c\u9c7c\u80da\u80ce\u514d\u53d7\u81f4\u547d\u5242\u91cf\u7684\u7535\u79bb\u8f90\u5c04(80 Gy X\u5c04\u7ebf)\u3002<\/p>\n \u3010\u56fe\u6587\u7b80\u4ecb\u3011<\/strong><\/p>\n \u56fe1 \u00a0<\/strong>\u57fa\u4e8eHantzsch<\/strong>\u53cd\u5e94\u7684\u6297\u8f90\u5c04\u805a\u5408\u7269<\/strong><\/p>\n \u00a0 \u56fe2 Hantzsch<\/strong>\u5355\u4f53\u53ca\u76f8\u5173\u805a\u5408\u7269<\/strong><\/p>\n (a) \u901a\u8fc7Hantzsch\u53cd\u5e94\u9ad8\u901a\u91cf\u5236\u5907\u4e8645\u4e2a\u5355\u4f53\uff0c\u901a\u8fc7\u81ea\u7531\u57fa\u805a\u5408\u9ad8\u901a\u91cf\u5236\u5907\u4e8645\u4e2a\u805a\u5408\u7269\uff1b<\/p>\n (b) M(X)(1)\u5355\u4f53\u76841<\/sup>H NMR\u6ce2\u8c31(DMSO – d6,400 M)\uff1b<\/p>\n (c) P(X)(1)\u805a\u5408\u7269\u76841<\/sup>H NMR\u6ce2\u8c31(DMSO-d6, 400 M)\u3002<\/p>\n \u56fe3 <\/strong>\u805a\u5408\u7269\u7684\u6297\u6c27\u5316\u3001\u6297\u6c27\u5316\u3001\u6297\u6c27\u5316\u80fd\u529b<\/strong><\/p>\n \u00a0 \u56fe4 <\/strong>\u8f90\u5c04\u548c\u653e\u5c04\u4fdd\u62a4\u5242<\/strong><\/p>\n \u8f90\u5c04\u7167\u5c04\u540e\u53d1\u751f\u7684\u4e8b\u4ef6\u548c\u4f7f\u7528\u8f90\u5c04\u4fdd\u62a4\u5242\u5bf9\u6297\u53ef\u80fd\u9020\u6210\u7684\u635f\u5bb3\u3002<\/p>\n \u56fe5 <\/strong>\u7ec6\u80de\u5b9e\u9a8c\u8bc4\u4ef7\u4e0d\u540c\u5316\u5408\u7269\u7684\u653e\u5c04\u9632\u62a4\u80fd\u529b<\/strong><\/p>\n (a) \u4e0d\u540c\u57f9\u517b\u6761\u4ef6\u4e0b\u7167\u5c0480 Gy x\u5c04\u7ebf\u540eL929\u7ec6\u80de\u7684FDA\/PI\u53cc\u67d3\u8272\u3002\u6bd4\u4f8b\u5c3a= 100 \u03bcm\u3002\u8fd9\u4e2a\u5b9e\u9a8c\u72ec\u7acb\u91cd\u590d\u4e86\u4e09\u6b21\uff0c\u5f97\u5230\u4e86\u76f8\u4f3c\u7684\u7ed3\u679c\uff1b<\/p>\n (b) \u6d41\u5f0f\u7ec6\u80de\u672f\u5206\u6790\u4e0d\u540c\u6761\u4ef6\u4e0b\u7ec6\u80de\u574f\u6b7b\u60c5\u51b5\uff1b<\/p>\n (c)\u4e0d\u540c\u57f9\u517b\u6761\u4ef6\u4e0b\u7ec6\u80de\u7684\u5f57\u661f\u5b9e\u9a8c\u56fe\u50cf\u3002\u6bd4\u4f8b\u5c3a= 200 \u03bcm\uff1b<\/p>\n (d) \u7ec6\u80de\u5185\u53d7\u635fDNA(%)\u3002\u6570\u636e\u4ee5\u5e73\u5747\u503c\u00b1SD\u8868\u793a(n=6\u4e2a\u751f\u7269\u72ec\u7acb\u7ec6\u80de)\u3002<\/p>\n \u56fe6<\/strong>\u6d3b\u4f53(<\/strong>\u6591\u9a6c\u9c7c\u80da\u80ce)<\/strong>\u8bd5\u9a8c\u4e0d\u540c\u5316\u5408\u7269\u7684\u9632\u8f90\u5c04\u80fd\u529b<\/strong><\/p>\n (a) \u4e0d\u540c\u6761\u4ef6\u4e0b\u6591\u9a6c\u9c7c\u80da\u80ce(60hpf)\u7684\u6fc0\u5149\u5171\u805a\u7126\u663e\u5fae\u56fe\u50cf\u3002\u6bd4\u4f8b\u5c3a= 300 \u03bcm\uff1b<\/p>\n (b) \u4e0d\u540c\u6761\u4ef6\u4e0b\u6591\u9a6c\u9c7c\u80da\u80ce\u7684\u8367\u5149\u5f3a\u5ea6(AO)\u3002\u6570\u636e\u4ee5\u5e73\u5747\u503c\u00b1SD\u8868\u793a(n=15\u53ea\u72ec\u7acb\u52a8\u7269)\uff1b<\/p>\n (c) \u4e0d\u540c\u6761\u4ef6\u4e0b\u6591\u9a6c\u9c7c\u80da\u80ce\u7684\u8d85\u6c27\u5316\u7269\u6b67\u5316\u9176\u548cMDA\u6c34\u5e73\u3002\u6570\u636e\u4ee5\u5e73\u5747\u503c\u00b1S D\u8868\u793a(n=15\u53ea\u72ec\u7acb\u52a8\u7269)\u3002\u7ed3\u679c\u7684\u7edf\u8ba1\u5206\u6790\u91c7\u7528\u72ec\u7acb\u6837\u672c(\u5355\u4fa7)\u5b66\u751ft\u68c0\u9a8c\uff0c\u591a\u91cd\u6bd4\u8f83\u4e0d\u4f5c\u8c03\u6574\u3002<\/p>\n \u56fe7<\/strong>\u6591\u9a6c\u9c7c\u80da\u80ce\u5728\u4e0d\u540c\u6761\u4ef6\u4e0b\u7684\u8f90\u5c04\u540e\u9057\u75c7<\/strong><\/p>\n (a) \u4e0d\u540c\u6761\u4ef6\u4e0b\u5b75\u5316\u7684\u6591\u9a6c\u9c7c\u5e7c\u9c7c\u7684\u4ee3\u8868\u6027\u56fe\u7247\u30027\u5929\uff0c\u6807\u5c3a=500\u5fae\u7c73\uff1b<\/p>\n (b) \u5b75\u5316\u5e7c\u9c7c\u6570\u53ca\u7578\u5f62\u5e7c\u9c7c\u6570\uff0c30\u4e2a\u6837\u672c\/\u7ec4\uff1b<\/p>\n (c) \u4e0d\u540c\u6761\u4ef6\u4e0b\u80da\u80ce\u5b75\u5316\u7684\u6591\u9a6c\u9c7c\u5e7c\u9c7c\u7684\u53d7\u635fDNA\u3002\u6bd4\u4f8b\u5c3a500\u5fae\u7c73\u3002\u672c\u5b9e\u9a8c\u72ec\u7acb\u91cd\u590d\u4e24\u6b21\uff0c\u7ed3\u679c\u76f8\u4f3c\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u7814\u7a76\u8005\u5c06Hantzsch\u53cd\u5e94\u3001\u9ad8\u901a\u91cf\u65b9\u6cd5\u548c\u9ad8\u5206\u5b50\u5316\u5b66\u76f8\u7ed3\u5408\uff0c\u5f00\u53d1\u4e86\u5b89\u5168\u9ad8\u6548\u7684\u653e\u5c04\u9632\u62a4\u5242\u3002\u5236\u5907\u4e86\u4e00\u79cd\u5177\u6709\u4f4e\u7ec6\u80de\u6bd2\u6027\u548c\u4f18\u5f02\u6297\u8f90\u5c04\u80fd\u529b\u7684\u6c34\u6eb6\u6027\u805a\u5408\u7269\u3002\u5728\u6d3b\u4f53\u5b9e\u9a8c\u4e2d\uff0c\u8fd9\u79cd\u805a\u5408\u7269\u5728\u6709\u6548\u4fdd\u62a4\u6591\u9a6c\u9c7c\u80da\u80ce\u514d\u53d7\u81f4\u547d\u7684\u5927\u5242\u91cf\u7535\u79bb\u8f90\u5c04(80\u6208\u745ex\u5c04\u7ebf)\u65b9\u9762\u751a\u81f3\u4f18\u4e8e\u6c28\u78f7\u6c40\u8fd9\u4e00\u552f\u4e00\u88ab\u6279\u51c6\u7528\u4e8e\u4e34\u5e8a\u5e94\u7528\u7684\u653e\u5c04\u9632\u62a4\u5242\u3002\u673a\u7406\u7814\u7a76\u8868\u660e\uff0c\u8fd9\u79cd\u805a\u5408\u7269\u5177\u6709\u6709\u6548\u9632\u6b62DNA\u56e0\u9ad8\u5242\u91cf\u8f90\u5c04\u800c\u53d7\u635f\u7684\u80fd\u529b\u3002\u8fd9\u4e00\u7814\u7a76\u521d\u6b65\u63a2\u7d22\u4e86\u901a\u8fc7\u591a\u7ec4\u5206\u53cd\u5e94\u5f00\u53d1\u9ad8\u5206\u5b50\u9632\u8f90\u5c04\u5242\uff0c\u53ef\u80fd\u4fc3\u8fdb\u805a\u5408\u7269\u79d1\u5b66\u4e2d\u591a\u7ec4\u5206\u53cd\u5e94\uff08MCRs\uff09\u548cHTP\u65b9\u6cd5\u7684\u7814\u7a76\uff0c\u5e76\u6709\u53ef\u80fd\u4fc3\u8fdb\u65b0\u578b\u529f\u80fd\u9ad8\u5206\u5b50\u7684\u5f00\u53d1\u548c\u5728\u8de8\u5b66\u79d1\u9886\u57df\u4e2d\u7684\u5e94\u7528\u3002<\/p>\n
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