{"id":161026,"date":"2018-12-10T06:30:30","date_gmt":"2018-12-09T22:30:30","guid":{"rendered":"\/\/m.iemloyee.com\/?p=161026"},"modified":"2018-12-09T20:50:53","modified_gmt":"2018-12-09T12:50:53","slug":"%e5%b7%b2%e6%a0%a1%e7%a8%bf%e4%bb%b6-acs-nano%ef%bc%9a%e6%9c%89%e6%9c%ba%e5%8d%8a%e5%af%bc%e4%bd%93%e8%81%9a%e5%90%88%e7%89%a9%e7%ba%b3%e7%b1%b3%e7%b2%92%e5%ad%90%e7%94%a8%e4%ba%8e%e5%b9%b2%e7%bb%86","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=161026","title":{"rendered":"ACS Nano\uff1a\u6709\u673a\u534a\u5bfc\u4f53\u805a\u5408\u7269\u7eb3\u7c73\u7c92\u5b50\u7528\u4e8e\u5e72\u7ec6\u80de\u8fd1\u7ea2\u5916II\u7a97\u5149\u58f0\u6807\u8bb0\u548c\u793a\u8e2a"},"content":{"rendered":"

\u3010\u7814\u7a76\u80cc\u666f\u3011<\/strong><\/p>\n

\u4eba\u9aa8\u9ad3\u95f4\u5145\u8d28\u5e72\u7ec6\u80de\uff08hMSCs\uff09\u7531\u4e8e\u5177\u6709\u591a\u80fd\u6027\u800c\u5f15\u8d77\u5e7f\u6cdb\u7814\u7a76\u3002\u76ee\u524d\u5e38\u7528\u8367\u5149\u3001MRI\u53caPET\u5bf9\u5176\u8fdb\u884c\u6210\u50cf\u548c\u793a\u8e2a\uff0c\u4f46\u90fd\u5b58\u5728\u5404\u81ea\u7684\u7f3a\u70b9\u548c\u4e0d\u8db3\u3002\u5149\u58f0\u6210\u50cf\uff08PA\uff09\u662f\u4e00\u79cd\u6d3b\u4f53\u5149\u5b66\u6210\u50cf\u6280\u672f\uff0c\u5b83\u5177\u6709\u66f4\u5927\u7684\u6210\u50cf\u6df1\u5ea6\u53ca\u66f4\u9ad8\u7684\u7a7a\u95f4\u5206\u8fa8\u7387\u3002\u4f46\u662f\u76ee\u524d\u7684\u5149\u58f0\u9020\u5f71\u5242\u7684\u751f\u7269\u5b89\u5168\u6027\u53ca\u8fd1\u7ea2\u5916\u4e00\u533a\uff08NIR-I\uff09\u6210\u50cf\u9650\u5236\u4e86\u5176\u5728\u5e72\u7ec6\u80de\u6210\u50cf\u53ca\u793a\u8e2a\u65b9\u9762\u7684\u5e94\u7528\u3002\u7531\u534a\u5bfc\u4f53\u805a\u5408\u7269\uff08SP\uff09\u5236\u5907\u7684\u6709\u673a\u534a\u5bfc\u4f53\u805a\u5408\u7269\u7eb3\u7c73\u7c92\u5b50\uff08OSPN\uff09\u5177\u6709\u7528\u4e8e\u6210\u50cf\u548c\u6cbb\u7597\u7684\u4f18\u5f02\u5149\u5b66\u6027\u8d28\u3002\u4e0e\u4e00\u4e9b\u65e0\u673a\u7eb3\u7c73\u6750\u6599\u76f8\u6bd4\uff0cOSPN\u5177\u6709\u4f18\u5f02\u7684\u5149\u5b66\u6027\u80fd\uff0c\u826f\u597d\u7684\u751f\u7269\u76f8\u5bb9\u6027\u548c\u8f83\u9ad8\u7684\u5149\u70ed\u8f6c\u6362\u6548\u7387\u7b49\u4f18\u70b9\uff0c\u5df2\u88ab\u5e7f\u6cdb\u7528\u4e8e\u8367\u5149\uff0c\u5316\u5b66\u53d1\u5149\uff0c\u957f\u4f59\u8f89\u548c\u5149\u58f0\u6210\u50cf\uff0c\u4ee5\u53ca\u5149\u70ed\u548c\u5149\u52a8\u529b\u6cbb\u7597\u3002\u6b64\u5916\uff0cSP\u7684\u7ed3\u6784\u591a\u529f\u80fd\u6027\u4f7f\u5f97\u5236\u5907\u4ece\u7d2b\u5916\u5230NIR-II\u533a\u57df\u7684\u4e0d\u540c\u5438\u6536\u5e26\u7684OSPN\u6210\u4e3a\u53ef\u80fd\u3002<\/p>\n

\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u9999\u6e2f\u4e2d\u6587\u5927\u5b66\u8fb9\u9ece\u660e\u6559\u6388\u8054\u5408\u9999\u6e2f\u57ce\u5e02\u5927\u5b66\u738b\u7acb\u4ee3\u535a\u58eb\u3001\u65b0\u52a0\u5761\u5357\u6d0b\u7406\u5de5\u5927\u5b66\u6d66\u4f83\u88d4\u526f\u6559\u6388<\/strong>\u7b49\uff0c\u62a5\u9053\u4e86\u5177\u6709\u8fd1\u7ea2\u5916\u4e8c\u533a\uff08NIR-II\uff09\u5438\u6536\u6027\u8d28\u7684\u534a\u5bfc\u4f53\u805a\u5408\u7269\u7eb3\u7c73\u7c92\u5b50\uff08OSPN+\uff09\u5e76\u7814\u7a76\u4e86\u5176\u5728\u6d3b\u4f53\u6df1\u5c42\u7ec4\u7ec7\u5185\u5bf9\u5e72\u7ec6\u80de\u7684\u4e8c\u533a\u5149\u58f0\u8ffd\u8e2a\u6548\u679c\u3002\u751f\u7269\u7ec4\u7ec7\u7684\u6bd4\u8f83\u7814\u7a76\u8868\u660e\uff0cOSPN+\u7684NIR-II\u5149\u6fc0\u53d1PA\u6210\u50cf\u6bd4NIR-I\u5149\u6fc0\u53d1PA\u6210\u50cf\u5177\u6709\u66f4\u9ad8\u7684\u4fe1\u566a\u6bd4\uff0c\u4ece\u800c\u8bc1\u660e\u4e86OSPN+\u5bf9\u6df1\u90e8\u7ec4\u7ec7\u6210\u50cf\u7684\u4f18\u8d8a\u6027\u3002OSPN+\u5177\u6709\u826f\u597d\u7684\u751f\u7269\u76f8\u5bb9\u6027\uff0c\u5408\u9002\u7684\u5c3a\u5bf8\u548c\u4f18\u5f02\u7684\u8868\u9762\u7279\u6027\uff0c\u5c55\u73b0\u51fa\u589e\u5f3a\u7684\u7ec6\u80de\u6444\u53d6\u80fd\u529b\uff0c\u53ef\u9ad8\u6548\u5730\u5bf9\u5e72\u7ec6\u80de\u8fdb\u884cPA\u6807\u8bb0\u3002\u4f53\u5185\u7814\u7a76\u663e\u793a\uff0c\u4e0e\u672a\u6807\u8bb0\u7684\u7ec6\u80de\u76f8\u6bd4\uff0c\u76ae\u4e0b\u548c\u8111\u6210\u50cf\u4e2d\u79fb\u690d\u7684OSPN+\u6807\u8bb0\u7684hMSCs\u7ec6\u80de\u7684NIR-II PA\u5bf9\u6bd4\u589e\u5f3a\u5206\u522b\u4e3a40.6\u548c21.7\u500d\u3002\u8be5\u7814\u7a76\u6210\u679c\u4eca\u65e5\u4ee5\u9898\u4e3a\u201cOrganic Semiconducting Polymer Nanoparticles for Photoacoustic Labeling and Tracking of Stem Cells in the Second Near-Infrared Window<\/strong>\u201d\u53d1\u8868\u5728\u77e5\u540d\u671f\u520aACS Nano<\/strong>\u4e0a\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u56fe\u4e00\uff1a\u805a\u5408\u7269\u5408\u6210\u3001\u7eb3\u7c73\u7c92\u5b50\u5236\u5907\u53ca\u5728\u4f53\u5185\u6210\u50cf\u5e94\u7528<\/strong>
\n \"\"
\n (a) OSPNs+\u7684\u5236\u5907\u65b9\u6cd5\u548c\u4f53\u5185\u5e72\u7ec6\u80de\u6807\u8bb0\u793a\u610f\u56fe\uff1b
\n (b) OSPNs-\u548cOSPNs+\u7684\u6c34\u6eb6\u6db2\u7167\u7247\uff1b
\n (c) \u534a\u5bfc\u4f53\u805a\u5408\u7269\u7684\u5408\u6210\u8def\u7ebf\u3002<\/p>\n

\u56fe\u4e8c\uff1aOSPNs+\u7684\u5f62\u8c8c\u3001\u5c3a\u5bf8\u53ca\u5149\u58f0\uff08PA\uff09\u6027\u8d28\u8868\u5f81<\/strong>
\n \"\"
\n (a) OSPNs+\u7684TEM\u5f62\u8c8c\uff1b
\n (b) OSPNs+\u548cOSPNs-\u7684DLS\u5c3a\u5bf8\u8868\u5f81\uff1b
\n (c) \u6c34\u6eb6\u6db2\u4e2dOSPNs+\u548cOSPNs-\u7684Zeta\u7535\u4f4d\u8868\u5f81\uff1b
\n (d) OSPNs+\u6c34\u6eb6\u6db2\u7684\u5438\u6536\u5149\u8c31\uff1b
\n (e) OSPNs+\u6c34\u6eb6\u6db2\u548c\u7eaf\u6c34\u7684PA\u5f3a\u5ea6\u8868\u5f81\uff1b
\n (f)(g)(h) \u5f52\u4e00\u5316\u7684OSPNs+\u6c34\u6eb6\u6db2\u5728532nm\uff0c860nm\u548c1064nm\u5904\u7684PA\u5f3a\u5ea6\u4e0e\u6d53\u5ea6\u4e4b\u95f4\u7684\u7ebf\u6027\u5173\u7cfb\uff08\u63d2\u56fe\uff1a\u4e0d\u540c\u6d53\u5ea6\u4e0bPA\u6210\u50cf\u56fe\uff09\uff1b
\n (i) \u5f52\u4e00\u5316\u7684OSPNs+\u6c34\u6eb6\u6db2\u5728532nm\uff0c860nm\u548c1064nm\u5904\u7684PA\u5f3a\u5ea6\u968f\u6fc0\u5149\u8109\u51b2\u53d8\u5316\u7ed3\u679c\u3002<\/p>\n

\u56fe\u4e09\uff1aOSPNs+\u5bf9hMSCs\u7ec6\u80de\u7684\u6bd2\u6027\u3001PA\u6210\u50cf\u6548\u679c\u4ee5\u53ca\u591a\u80fd\u6027\u5f71\u54cd<\/strong>
\n \"\"
\n (a) \u5b75\u80b212\u5c0f\u65f6\u540eOSPNs+\u5bf9hMSCs\u7ec6\u80de\u7684\u6bd2\u6027\u8868\u5f81\uff1b
\n (b) OSPNs-\uff08\u5de6\uff09\u548cOSPNs+\uff08\u53f3\uff09\u4e0ehMSCs\u7ec6\u80de\u5b75\u80b212h\u7684PA\u6210\u50cf\u56fe\uff08532nm\uff09\uff1b
\n (c) \u7ecfOSPNs+\u6807\u8bb0\u7684hMSCs\u7ec6\u80de\u4f53\u5916\u6210\u50cf\u793a\u610f\u56fe\uff1b
\n (d) OSPNs-\u548cOSPNs+\u4e0ehMSCs\u7ec6\u80de\u5b75\u80b2\u540e\u5728860nm\u548c1064nm\u5904\u7684PA\u6210\u50cf\u56fe\uff1b
\n (e) OSPNs+\u5bf9hMSCs\u7ec6\u80de\u591a\u80fd\u6027\u7684\u5f71\u54cd\u3002<\/p>\n

\u56fe\u56db\uff1a\u4e0d\u540c\u6210\u50cf\u6df1\u5ea6\u4e0bNIR-I PA\u548cNIR-II PA\u6210\u50cf\u6548\u679c\u5bf9\u6bd4<\/strong>
\n \"\"
\n (a) \u4e0d\u540c\u539a\u5ea6\u9e21\u8089\u7ec4\u7ec7\u8986\u76d6\u4e0b\u4e0d\u540c\u6d53\u5ea6OSPNs+\u6eb6\u6db2\u5728NIR-I\u6216NIR-II\u6fc0\u53d1\u4e0b\u7684PA\u6210\u50cf\u56fe\uff1b
\n (b) \u4e0d\u540c\u6d53\u5ea6\u4e0bOSPNs+\u6eb6\u6db2\u5728860nm\u5904\u7684\u4fe1\u566a\u6bd4\u4e0e\u7ec4\u7ec7\u539a\u5ea6\u7684\u5173\u7cfb\uff1b
\n (c) \u4e0d\u540c\u6d53\u5ea6\u4e0bOSPNs+\u6eb6\u6db2\u57281064nm\u5904\u7684\u4fe1\u566a\u6bd4\u4e0e\u7ec4\u7ec7\u539a\u5ea6\u7684\u5173\u7cfb\uff1b
\n (d) OSPNs+\u6eb6\u6db2\u5728860nm\u548c1064nm\u5904PA\u6210\u50cf\u7684\u4fe1\u566a\u6bd4\u4e0e\u7ec4\u7ec7\u539a\u5ea6\u7684\u7ebf\u6027\u5173\u7cfb\uff08\u3010OSPNs+\u3011= 0.573 mg\/mL\uff09\u3002<\/p>\n

\u56fe\u4e94\uff1aOSPNs+\u7684\u6d3b\u4f53PA\u6210\u50cf<\/strong>
\n \"\"
\n (a) OSPNs+\u6807\u8bb0\u4e0e\u672a\u6807\u8bb0\u7684hMSCs\u7ec6\u80de\u76ae\u4e0b\u79fb\u690d\u540e\u5728\u4e0d\u540c\u65f6\u95f4\u70b9\u7684\u8d85\u58f0-\u5149\u58f0\u6210\u50cf\u53e0\u52a0\u56fe\u50cf\uff1b
\n (b) OSPNs+\u6807\u8bb0\u4e0e\u672a\u6807\u8bb0\u7684hMSCs\u7ec6\u80de\u88f8\u9f20\u8111\u79fb\u690d\u540e\u7684\u8d85\u58f0-\u5149\u58f0\u6210\u50cf\uff08NIR-I\u548cNIR-II\uff09\u7684\u56fe\u50cf\uff1b
\n (c) NIR-I\u548cNIR-II\u6fc0\u53d1\u4e0bOSPNs+\u6807\u8bb0\u7684hMSCs\u7ec6\u80de\u5728\u88f8\u9f20\u8111\u79fb\u690d\u540e\u7684PA\u6210\u50cf\u4fe1\u566a\u6bd4\u3002<\/p>\n

\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n

\u672c\u6587\u62a5\u9053\u4e86\u5177\u6709\u8fd1\u7ea2\u5916\u4e8c\u533a\uff08NIR-II\uff09\u5438\u6536\u6027\u8d28\u7684\u534a\u5bfc\u4f53\u805a\u5408\u7269\u7eb3\u7c73\u7c92\u5b50\uff08OSPN+\uff09\u5e76\u7814\u7a76\u4e86\u5176\u5728\u6d3b\u4f53\u6df1\u5c42\u7ec4\u7ec7\u5185\u5bf9\u5e72\u7ec6\u80de\u7684\u4e8c\u533a\u5149\u58f0\u8ffd\u8e2a\u6548\u679c\u3002\u751f\u7269\u7ec4\u7ec7\u5bf9\u6bd4\u7814\u7a76\u8868\u660e\uff0cOSPN+\u5728NIR-II\u5149\u6fc0\u53d1\u4e0b\u7684PA\u6210\u50cf\u6548\u679c\u660e\u663e\u4f18\u4e8e\u5176NIR-I PA\u6210\u50cf\uff0c\u4ece\u800c\u8bc1\u660e\u4e86OSPN+\u5728\u6df1\u5c42\u7ec4\u7ec7\u6210\u50cf\u4e2d\u7684\u4f18\u8d8a\u6027\u3002\u5e76\u4e14OSPN+\u5177\u6709\u826f\u597d\u7684\u751f\u7269\u76f8\u5bb9\u6027\u3001\u9002\u5b9c\u7684\u5c3a\u5bf8\u548c\u4f18\u5f02\u7684\u8868\u9762\u6027\u8d28\uff0c\u8fd9\u4e9b\u90fd\u6709\u5229\u4e8e\u589e\u5f3a\u7ec6\u80de\u5bf9OSPN+\u7684\u5438\u6536\u3002\u4f53\u5185\u7814\u7a76\u663e\u793a\uff0c\u4e0e\u5bf9\u7167\u7ec4\u76f8\u6bd4\uff0cOSPN+\u6807\u8bb0\u7684\u4eba\u95f4\u5145\u8d28\u5e72\u7ec6\u80de\uff08hMSCs\uff09\u5728\u76ae\u4e0b\u548c\u8111\u79fb\u690d\u540e\u7684NIR-II PA\u5bf9\u6bd4\u5206\u522b\u589e\u5f3a\u4e8640.6\u548c21.7\u500d\u3002\u6b64\u5916\uff0cNIR-II\u533aPA\u6210\u50cf\u5728\u6df1\u90e8\u8111\u7ec4\u7ec7\u4e2d\u8868\u73b0\u51fa\u6bd4NIR-I\u533aPA\u6210\u50cf\u66f4\u9ad8\u7684\u4fe1\u566a\u6bd4\uff081.38\u500d\uff09\uff0c\u8fdb\u4e00\u6b65\u8bc1\u660e\u4e86\u5176\u5bf9\u5e72\u7ec6\u80de\u6807\u8bb0\u548c\u8ffd\u8e2a\u7684\u4f18\u8d8a\u6027\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aOrganic Semiconducting Polymer Nanoparticles for Photoacoustic Labeling and Tracking of Stem Cells in the Second Near-Infrared Window<\/a> (ACS Nano, 2018, DOI: 10.1021\/acsnano.8b05906)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u751f\u7269\u9ad8\u5206\u5b50\u7ec4\u5927\u5175\u54e5\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n

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