{"id":119368,"date":"2017-12-29T14:00:43","date_gmt":"2017-12-29T06:00:43","guid":{"rendered":"\/\/m.iemloyee.com\/?p=119368"},"modified":"2017-12-29T21:56:12","modified_gmt":"2017-12-29T13:56:12","slug":"%e6%96%af%e5%9d%a6%e7%a6%8f%e5%a4%a7%e5%ad%a6%e8%8b%8f%e5%b7%9e%e5%a4%a7%e5%ad%a6nano-letters-%ef%bc%9ajanus%e7%ba%b3%e7%b1%b3%e7%b2%92%e5%ad%90fe3o4semoconducting-polymer%e9%80%9a%e8%bf%87%e7%a3%81","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=119368","title":{"rendered":"\u65af\u5766\u798f\u5927\u5b66\/\u82cf\u5dde\u5927\u5b66Nano Letters \uff1aJanus\u7eb3\u7c73\u7c92\u5b50Fe3O4@Semoconducting polymer\u901a\u8fc7\u78c1\u6210\u50cf\u5b9e\u73b0\u793a\u8e2a\u7ec6\u80de"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n

\u4ee5\u7ec6\u80de\u4e3a\u57fa\u7840\u7684\u6cbb\u7597\uff0c\u5982\u764c\u75c7\u514d\u75ab\u6cbb\u7597\u6216\u5e72\u7ec6\u80de\u6cbb\u7597\uff0c\u4f5c\u4e3a\u65b0\u5174\u7684\u764c\u75c7\u6cbb\u7597\u624b\u6bb5\uff0c\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u5173\u6ce8\u3002\u5c06\u8fd9\u4e9b\u7ec6\u80de\u5f15\u5165\u4f53\u5185\u540e\uff0c\u8fd9\u4e9b\u6cbb\u7597\u624b\u6bb5\u9700\u8981\u975e\u4fb5\u5165\u5f0f\u7684\u6210\u50cf\u6280\u672f\u6765\u5bf9\u5f15\u5165\u7ec6\u80de\u8fdb\u884c\u5b9e\u65f6\u7684\u793a\u8e2a\uff0c\u5e76\u62a5\u544a\u4e0d\u540c\u6cbb\u7597\u7ec6\u80de\u5728\u751f\u7269\u4f53\u5185\u7684\u547d\u8fd0\uff0c\u6fc0\u6d3b\u548c\u5206\u5316\u60c5\u51b5\uff0c\u66f4\u7406\u60f3\u7684\u60c5\u51b5\u662f\u4efb\u4f55\u7ec4\u7ec7\u6df1\u5ea6\u7075\u654f\u5ea6\u90fd\u53ef\u8fbe\u5230\u5355\u7ec6\u80de\u6c34\u5e73\u3002\u5e38\u7528\u7684\u7ec6\u80de\u793a\u8e2a\u6280\u672f\u4e3b\u8981\u6709\u78c1\u5171\u632f\u6210\u50cf\uff08MRI\uff09\uff0c\u653e\u5c04\u6027\u6838\u7d20\u6210\u50cf\uff08\u5982\uff1aSPECT, PET\uff09\uff0c\u4ee5\u53ca\u5149\u5b66\u6210\u50cf\uff08\u8367\u5149\u3001\u751f\u7269\u53d1\u5149\u3001\u5149\u58f0\uff09\u3002\u7136\u800c\uff0c\u5149\u5b66\u6210\u50cf\u901a\u5e38\u5177\u6709\u5f88\u9ad8\u7684\u7075\u654f\u5ea6\uff0c\u53ef\u89c1\u5149\u5b50\u5728\u7a7f\u8fc7\u751f\u7269\u7ec4\u7ec7\u65f6\u4f1a\u88ab\u5438\u6536\u5e76\u53d1\u751f\u6563\u5c04\uff0c\u8fd9\u5c31\u9650\u5236\u4e86\u5176\u5728\u7ec4\u7ec7\u6df1\u90e8\u7684\u6210\u50cf\uff0c\u5373\u4f7f\u662f\u7a7f\u900f\u6df1\u5ea6\u5728\u51e0\u4e2a\u6beb\u7c73\u7684\u957f\u6ce2\u957f\u8303\u56f4\uff081000-1700 nm\uff09\u4e5f\u65e0\u6cd5\u5b9e\u73b0\u6df1\u90e8\u6210\u50cf\u3002MRI\u5177\u6709\u4f18\u5f02\u7684\u7ec4\u7ec7\u7a7f\u900f\u6df1\u5ea6\uff0c\u7a7a\u95f4\u5206\u8fa8\u7387\u9ad8\uff1b\u4f46\u662f\uff0cT1\u9020\u5f71\u5242\u5bf9\u5206\u5b50\u6210\u50cf\u7684\u654f\u611f\u5ea6\u8f83\u5dee\uff0cT2\u6216T2*\u9020\u5f71\u5242\u5982\u6c27\u5316\u94c1\u7eb3\u7c73\u7c92\u5b50\u4ea7\u751f\u8d1f\u589e\u5f3a\u5bf9\u6bd4\uff0c\u8fd9\u5c31\u5f88\u96be\u4e0e\u5929\u7136MRI\u4fe1\u53f7\u4f4e\u7684\u7ec4\u7ec7\uff08\u9aa8\u5934\uff0c\u80ba\uff09\u8fdb\u884c\u533a\u5206\u3002\u653e\u5c04\u6027\u6838\u7d20\u6210\u50cf\u9700\u8981\u5229\u7528\u653e\u5c04\u6027\u7269\u8d28\uff0c\u4e14\u7a7a\u95f4\u5206\u8fa8\u7387\u5dee\u3002<\/p>\n

\u968f\u7740\u5206\u5b50\u5f71\u50cf\u5b66\u79d1\u7684\u53d1\u5c55\uff0c\u78c1\u6027\u7c92\u5b50\u6210\u50cf\uff08MPI\uff09\u4f5c\u4e3a\u4eceMRI\u884d\u751f\u6765\u7684\u4e00\u4e2a\u65b0\u578b\u5206\u5b50\u5f71\u50cf\u6280\u672f\uff0c\u91c7\u7528\u7279\u6b8a\u7ec4\u5408\u65b9\u5f0f\u7684\u65cb\u8f6c\u78c1\u573a\uff0c\u76f4\u63a5\u68c0\u6d4b\u6c27\u5316\u94c1\u7eb3\u7c73\u7c92\u5b50\uff0c\u4e0e\u73b0\u6709\u65b9\u6cd5\u76f8\u6bd4\uff0cMPI\u5177\u6709\u8f83\u5927\u7684\u7a7f\u900f\u6df1\u5ea6\uff0c\u53ef\u7ebf\u6027\u5b9a\u91cf\uff0c\u6b63\u5bf9\u6bd4\uff0c\u65e0\u8f90\u5c04\uff0c\u4e14\u57fa\u672c\u6ca1\u6709\u7ec4\u7ec7\u4ea7\u751f\u7684\u80cc\u666f\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u65af\u5766\u798f\u5927\u5b66\u9976\u6c5f\u5b8f\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u548c\u82cf\u5dde\u5927\u5b66\u5218\u5e84\u6559\u6388<\/strong>\u56e2\u961f\u5728Nano Letters<\/strong>\u5728\u7ebf\u53d1\u8868\u4e86\u4e00\u7bc7\u9898\u4e3a\u201cJanus Iron Oxides @ Semiconducting Polymer Nanoparticle Tracer for Cell Tracking by Magnetic Particle Imaging<\/strong>\u201d\u7684\u6587\u7ae0\uff0c\u4ecb\u7ecd\u4e86\u53ef\u901a\u8fc7\u78c1\u6027\u7c92\u5b50\u6210\u50cf\u5b9e\u73b0\u7ec6\u80de\u793a\u8e2a\u7684\u4e24\u4eb2\u6027\u7eb3\u7c73\u7c92\u5b50\uff1aFe3<\/sub>O4<\/sub>@PFODBT-COOH\uff0c\u8be5\u78c1\u6027\u7c92\u5b50\u4e0d\u4ec5\u7075\u654f\u5ea6\u9ad8\uff0c\u65e0\u7ec4\u7ec7\u7a7f\u900f\u6df1\u5ea6\u7684\u9650\u5236\uff0c\u800c\u4e14\u53ef\u4ee5\u5b9e\u73b0\u7ebf\u6027\u5b9a\u91cf\uff0c\u4e3a\u7ec6\u80de\u793a\u8e2a\u63d0\u4f9b\u65b0\u601d\u8def\u3002<\/p>\n

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

\u56fe1. \u78c1\u6027\u7eb3\u7c73\u7c92\u5b50\u7684\u5408\u6210\u8c03\u63a7\u53ca\u8868\u5f81\u00a0\u00a0\u00a0\u00a0 <\/strong><\/p>\n

\"\"<\/p>\n

(a) 310\u2103\u5408\u6210\u7684\u6c27\u5316\u94c1\u7eb3\u7c73\u7c92\u5b50\u7684TEM\u7167\u7247<\/p>\n

(b) 310\u2103\u5408\u6210\u7684\u6c27\u5316\u94c1\u7eb3\u7c73\u7c92\u5b50\u7c89\u672b\u7684XRD\u56fe\u8c31<\/p>\n

(c) PSMA\u4fee\u9970310\u2103\u5408\u6210\u7684\u6c27\u5316\u94c1\u7eb3\u7c73\u7c92\u5b50\u7684MPI\u5cf0\u503c\u4fe1\u53f7\uff08\u76f8\u5f53\u4e8e200 \u03bcL\u6c34\u4e2d\u542b8\u03bcg Fe\uff09(d) \u9884\u5148\u5408\u6210\u7684\u6c27\u5316\u94c1\u7eb3\u7c73\u7c92\u5b50\u7684TEM\u7167\u7247<\/p>\n

(e) \u9884\u5148\u5408\u6210\u7684\u6c27\u5316\u94c1\u7eb3\u7c73\u7c92\u5b50\u7c89\u672b\u7684XRD\u56fe\u8c31<\/p>\n

(f) \u7ebf\u6027\u626b\u63cf\u9884\u5148\u5408\u6210\u7684\u6c27\u5316\u94c1\u7eb3\u7c73\u7c92\u5b50\uff08\u76f8\u5f53\u4e8e200 \u03bcL\u6c34\u4e2d\u542b8\u03bcg Fe \uff09\u7684MPI\u5149\u8c31<\/p>\n

(g) \u88c5\u6709Fe3<\/sub>O4<\/sub>\u2212COOH \u548cVivotrax\uff08\u542b\u94c18\u03bcg\uff09\u7684PCR\u7ba1\u7684\u7167\u7247\u4ee5\u53ca\u76f8\u5e94\u7684\u7ebf\u6027\u626b\u63cfMPI\u5149\u8c31<\/p>\n

(h) Fe3<\/sub>O4<\/sub>\u2212COOH\uff08\u5728310\u2103\/31h\u4e0b\u5236\u5907\uff09\u548cVivotrax\u7684MPI\u4fe1\u53f7\u76f8\u5bf9\u4e8e\u5728200\u03bcL H2<\/sub>O\u4e2d\u7684Fe\u91cf<\/p>\n

\u56fe2. Fe3<\/sub>O4<\/sub>@Semiconducting polymers\u7684\u5408\u6210\u8fc7\u7a0b\u4ee5\u53ca\u76f8\u5e94\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u7eb3\u7c73\u6c89\u6dc0\u6cd5\u5236\u5907\u4e24\u6027\u7eb3\u7c73\u7c92\u5b50Fe3O4@PFODBT-COOH\u793a\u610f\u56fe<\/p>\n

(b) \u4e24\u6027\u7eb3\u7c73\u7c92\u5b50Fe3<\/sub>O4<\/sub>@PFODBT-COOH\u7684TEM\u7167\u7247<\/p>\n

(c) Fe3<\/sub>O4<\/sub>-COOH\u548cFe3<\/sub>O4<\/sub>@PFODBT-COOH\u5728PBS\u4e2d\u7684DLS\u7c92\u5f84\u8868\u5f81<\/p>\n

(d) PFODBT\uff08THF\u6eb6\u89e3\uff09\u3001Fe3<\/sub>O4<\/sub>-COOH\uff08PBS\u6eb6\u89e3\uff09\u548cFe3<\/sub>O4<\/sub>@PFODBT-COOH\uff08PBS\u6eb6\u89e3\uff09\u7684UV-vis \u5438\u6536\u5149\u8c31<\/p>\n

(e) Fe3<\/sub>O4<\/sub>@PFODBT-COOH\u7684\u8367\u5149\u5149\u8c31\u56fe\uff08540 nm\u6fc0\u53d1\uff09<\/p>\n

(f) Fe\u542b\u91cf\uff088\u03bcg\uff09\u76f8\u540c\u7684Fe3<\/sub>O4<\/sub>-COOH\u548cFe3<\/sub>O4<\/sub>@PFODBT-COOH\u7684MPI\u626b\u63cf\u7684\u4e8c\u7ef4\u6295\u5f71\uff0c\u53ca\u5176\u5bf9\u5e94\u7684\u7ebf\u6027\u626b\u63cfMPI\u8c31\u56fe<\/p>\n

(g) Fe3<\/sub>O4<\/sub>@PFODBT-COOH\u7684MPI\u4fe1\u53f7\u76f8\u5bf9\u4e8e\u5728200\u03bcL H2<\/sub>O\u4e2d\u7684Fe\u91cf\u7684\u56fe<\/p>\n

\u56fe3. \u78c1\u6027\u7eb3\u7c73\u7c92\u5b50\u5728\u7ec6\u80de\u6c34\u5e73\u7684\u6210\u50cf\u8bc4\u4ef7<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u5171\u805a\u7126\u663e\u5fae\u955c\u89c2\u5bdfHela\u7ec6\u80de\u5bf9Fe3<\/sub>O4<\/sub>@PFODBT-COOH\u7684\u5185\u541e\u4f5c\u7528\uff1b\u7528Fe\u542b\u91cf60\u03bcg\/mL\u7684Fe3<\/sub>O4<\/sub>@PFODBT-COOH\u5b75\u80b2Hela\u7ec6\u80de4\u5c0f\u65f6\u540e\u5c06\u7ec6\u80de\u56fa\u5b9a\u5e76\u7528DAPI\u8fdb\u884c\u67d3\u8272\u3002\uff08\u84dd\u8272\uff1a\u7ec6\u80de\u6838\uff0c\u7ea2\u8272\uff1aFe3<\/sub>O4<\/sub>@PFODBT-COOH\u4f4d\u7f6e\uff09<\/p>\n

(b) \u4e0d\u540c\u5b75\u80b2\u6d53\u5ea6\u7ed8\u5236\u7ec6\u80de\u5bf9\u9897\u7c92\u7684\u6444\u53d6\uff08ICP\u8fdb\u884c\u6d4b\u5b9a\uff09<\/p>\n

(c) Fe3<\/sub>O4<\/sub>@PFODBT-COOH\u6807\u8bb0\u7684\u7ec6\u80de\u5728\u65b0\u9c9c\u57f9\u517b\u57fa\u4e2d\u57f9\u517b\u4e0d\u540c\u65f6\u95f4\u7684\u589e\u6b96\u60c5\u51b5<\/p>\n

(d) MPI\u4fe1\u53f7\u76f8\u5bf9\u4e8eFe3<\/sub>O4<\/sub>@PFODBT-COOH\u6807\u8bb0\u7684\u7ec6\u80de\u6570\u91cf\u7684\u56fe\uff0831pg Fe\/cell, \u7ec6\u80de\u6570\u91cf\u8303\u56f4\uff1a2500-640000\uff09<\/p>\n

(e) 2500\u4e2a\u6807\u8bb0\u8fc7\u7684\u7ec6\u80de\uff0831pg Fe\/cell\uff09\u7684\u7ebf\u6027\u626b\u63cfMPI\u5149\u8c31\uff08\u63d2\u56fe\u662f2500\u4e2a\u7ec6\u80de\u7684MPI\u6295\u5f71\u56fe\u50cf\uff09<\/p>\n

(f-g) \u6807\u8bb0\u540e\u7ec6\u80de\u7684MPI\u7ebf\u6027\u626b\u63cf\u5149\u8c31(f)500\u4e2a\u7ec6\u80de(g)250\u4e2a\u7ec6\u80de<\/p>\n

(h) \u8367\u5149\u4fe1\u53f7\u76f8\u5bf9\u4e8e\u6807\u8bb0\u540e\u4e0d\u540c\u7ec6\u80de\u6570\u91cf\uff080-16\u4e07\uff09\u7684\u56fe\uff08\u63d2\u56fe\u662f\u542b\u4e0d\u540c\u7ec6\u80de\u6570\u91cf\u7684\u8367\u5149\u56fe\u50cf\uff09<\/p>\n

(i) \u6807\u8bb0\u540e\u7ec6\u80de\u7684T2\u52a0\u6743\u78c1\u5171\u632f\u6210\u50cf\u76f8\u5bf9\u4e8e\u6807\u8bb0\u540e\u7ec6\u80de\u6570\u91cf\u7684\u56fe\uff08\u63d2\u56fe\u662f0-8\u4e07\u7ec6\u80de\u7684MRI\u6210\u50cf\u56fe\uff09<\/p>\n

\u56fe4.<\/strong> \u78c1\u6027\u7eb3\u7c73\u7c92\u5b50\u5728\u52a8\u7269\u6c34\u5e73\u7684\u6210\u50cf\u8bc4\u4ef7<\/strong><\/p>\n

\"\"<\/p>\n

(a,b) \u8001\u9f20\u5c40\u90e8\u76ae\u4e0b\u6ce8\u5c04Fe3<\/sub>O4<\/sub>@PFODBT-COOH\u6807\u8bb0\u7684\u7ec6\u80de\u540e\u8367\u5149\u7684\u524d\u89c6\u56fe\u548c\u540e\u89c6\u56fe\uff08540 nm\u6fc0\u53d1\uff0c680 nm\u53d1\u5c04\uff09<\/p>\n

(c,d) \u8001\u9f20\u5c40\u90e8\u76ae\u4e0b\u6ce8\u5c04\u6807\u8bb0\u7684\u7ec6\u80de\u540e\u8001\u9f20\u524d\u89c6\u548c\u540e\u89c6\u78c1\u6210\u50cf\u7684\u4e8c\u7ef4\u6295\u5f71<\/p>\n

(e) \u5c40\u90e8\u76ae\u4e0b\u6ce8\u5c04\u6807\u8bb0\u7ec6\u80de\u540e\u8001\u9f20\u7684\u78c1\u6210\u50cf\u4e09\u7ef4\u6295\u5f71\u548cCT\u6210\u50cf\u7684\u7ed3\u5408<\/p>\n

(f) \u8001\u9f20\u690d\u5165250\u4e2a\u7ec6\u80de\u540e\u767d\u5149\u548c\u78c1\u6210\u50cf\u4e8c\u7ef4\u6295\u5f71\u7684\u53e0\u52a0\uff08\u6263\u6389\u80cc\u666f\uff09<\/p>\n

(g) \u5c40\u90e8\u76ae\u4e0b\u6ce8\u5c04\u7528Fe3<\/sub>O4<\/sub>@PFODBT-COOH\u6807\u8bb0\u7684\u7ec6\u80de\u540e\u7684\u5c0f\u9f20\u8eab\u4f53\u7684\u6a2a\u65ad\u9762MRI\u56fe<\/p>\n

(h) \u4e0d\u540c\u65f6\u95f4\u70b9\u4ee3\u8868\u6027\u5c0f\u9f20\u7684\u7eb5\u5411\u8367\u5149\u56fe\uff08540 nm\u6fc0\u5149,680 nm\u53d1\u5c04\uff09<\/p>\n

(i) \u80bf\u7624\u4f4d\u7f6e\u8367\u5149\u4fe1\u53f7\u5f3a\u5ea6\u5b9a\u91cf\uff08%\uff09\u4f5c\u4e3a\u690d\u5165\u540e\u65f6\u95f4\u7684\u51fd\u6570\uff08\u76f8\u5bf9\u4e8e\u690d\u5165\u540e10\u5929\u7684\u4fe1\u53f7\u503c\uff09<\/p>\n

(g) \u4ee3\u8868\u6027\u5c0f\u9f20\u7eb5\u5411MPI\u56fe\u50cf\u7684\u4e8c\u7ef4\u6295\u5f71\uff0810\u5929\u540e\uff09<\/p>\n

(k) \u80bf\u7624\u4f4d\u7f6eMPI\u4fe1\u53f7\u5f3a\u5ea6\u5b9a\u91cf\uff08%\uff09\u4f5c\u4e3a\u690d\u5165\u540e\u65f6\u95f4\u7684\u51fd\u6570\uff08\u76f8\u5bf9\u4e8e\u690d\u516510\u5929\u540e\u7684\u4fe1\u53f7\u503c\uff09<\/p>\n

(l) \u690d\u516520\u5929\u540e\u6574\u4e2a\u8001\u9f20\u7684MPI\u6210\u50cf\u7684\u4e09\u7ef4\u6295\u5f71\u548cCT\u6210\u50cf<\/p>\n

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

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\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Janus Iron Oxides @ Semiconducting Polymer Nanoparticle Tracer for Cell Tracking by Magnetic Particle Imaging<\/a> \uff08Nano Letters\uff0c2017\uff0cDOI:10.1021\/acs.nanolett.7b03829\uff09<\/p>\n

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