{"id":120077,"date":"2018-01-05T06:30:03","date_gmt":"2018-01-04T22:30:03","guid":{"rendered":"\/\/m.iemloyee.com\/?p=120077"},"modified":"2018-01-04T23:32:51","modified_gmt":"2018-01-04T15:32:51","slug":"nature-%e5%ad%90%e5%88%8a-%e5%90%88%e6%88%90%e7%9a%84%e4%bd%8e%e8%81%9a%e5%9b%9b%e6%b0%a7%e5%8c%96%e6%b0%ae%e8%83%bd%e5%9c%a8%e6%9c%ba%e6%a2%b0%e8%b4%9f%e8%bd%bd%e4%b8%8b%e6%8a%98%e5%8f%a0%e6%97%b6","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=120077","title":{"rendered":"Nature \u5b50\u520a : \u5408\u6210\u7684\u4f4e\u805a\u56db\u6c27\u5316\u6c2e\u80fd\u5728\u673a\u68b0\u8d1f\u8f7d\u4e0b\u6298\u53e0\u65f6\uff0c\u53d1\u6325\u5f3a\u5927\u7684\u4f5c\u7528\u529b"},"content":{"rendered":"

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

\u6298\u53e0\u662f\u4e00\u4e2a\u65e0\u5904\u4e0d\u5728\u7684\u5f62\u6001\uff0c\u5927\u81ea\u7136\u7528\u4ee5\u63a7\u5236\u5176\u5206\u5b50\u673a\u5668\u7684\u6784\u8c61\uff0c\u4f7f\u5176\u80fd\u591f\u6267\u884c\u5316\u5b66\u548c\u673a\u68b0\u4efb\u52a1\u3002<\/span>\u591a\u5e74\u6765\uff0c\u5316\u5b66\u5bb6\u5df2\u7ecf\u5408\u6210\u4e86\u591a\u79cd\u6298\u53e0\u4f53\uff0c\u5229\u7528\u5b9a\u4e49\u660e\u786e\u548c\u7a33\u5b9a\u7684\u6298\u53e0\u7ed3\u6784\uff0c\u6a21\u4eff\u81ea\u7136\u7cfb\u7edf\u8868\u8fbe\u63a7\u5236\u3002<\/span>\u673a\u68b0\u4e92\u9501\u5206\u5b50\uff0c\u5982\u8f6e\u70f7\u548c\u7d22\u70c3\uff0c\u662f\u539f\u578b\u5206\u5b50\u673a\u5668\uff0c\u5176\u7ec4\u6210\u90e8\u5206\u53d7\u63a7\u53ef\u4ee5\u79fb\u52a8\u548c\u5b9a\u4f4d\u3002<\/span>\u6700\u8fd1\uff0c\u7ed3\u5408\u8fd9\u4e24\u7c7b\u5206\u5b50\u7684\u7cbe\u5de7\u590d\u6742\u6027\uff0c\u5df2\u7ecf\u5408\u6210\u4e86\u4f9b\u4f53 – \u53d7\u4f53\u5be1\u805a\u8f6e\u70f7\u6298\u53e0\u805a\u4f53\uff0c\u5176\u4e2d\u673a\u68b0\u4e92\u9501\u7ec4\u5206\u90e8\u5206\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u51b3\u5b9a\u4e86\u5355\u5206\u5b50\u7ec4\u88c5\u6210\u6298\u53e0\u4e8c\u7ea7\u7ed3\u6784\u3002<\/span>\u672c\u6587\u62a5\u9053\u4e86\u8fd9\u4e9b\u5206\u5b50\u7684\u673a\u68b0\u5316\u5b66\u6027\u8d28\u3002<\/span>\u7531\u73af\u53cc\uff08\u5bf9 – \u5bf9 – \u4e9a\u82ef\u57fa\uff09\u73af\u5305\u56f4\u76841,5-\u4e8c\u6c27\u4ee3\u8418\u5355\u5143\u4f4e\u805a\u7269\u7531\u539f\u5b50\u529b\u663e\u5fae\u955c\u7684\u5355\u5206\u5b50\u529b\u5149\u8c31\u5b66\u673a\u68b0\u5c55\u5f00<\/span><\/span>\u3002<\/span>\u5b9e\u65f6\u6355\u83b7\u5c55\u5f00\u72b6\u6001\u548c\u6298\u53e0\u72b6\u6001\u4e4b\u95f4\u7684\u6ce2\u52a8\u663e\u793a\uff0c\u5206\u5b50\u5bf9\u9ad8\u8fbe150 pN\u7684\u673a\u68b0\u8d1f\u8f7d\u53ef\u65bd\u52a0\u9ad8\u8fbe50 pN\u7684\u529b\uff0c\u5e76\u663e\u793a\u5c0f\u4e8e10\u03bcs\u7684\u8fc7\u6e21\u65f6\u95f4\u3002<\/span>\u867d\u7136\u8be5\u6298\u53e0\u901f\u5ea6\u4e0e\u86cb\u767d\u8d28\u4e2d\u7684\u6298\u53e0\u901f\u5ea6\u4e00\u6837\u5feb\uff0c\u4f46\u7531\u4e8e\u673a\u68b0\u4e92\u9501\u7ed3\u6784\uff0c\u8fd9\u79cd\u6298\u53e0\u975e\u5e38\u7a33\u5065\u3002<\/span>\u7814\u7a76\u7ed3\u679c\u8868\u660e\uff0c\u5408\u6210\u7684\u5be1\u805a\u8f6e\u70f7<\/span>\u6709\u8d85\u8fc7\u5929\u7136\u6298\u53e0\u86cb\u767d\u7684\u6027\u80fd\u3002<\/span><\/span><\/p>\n

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

\u5929\u7136\u590d\u5408\u529f\u80fd\u5206\u5b50\u548c\u673a\u5668\u7684\u7ed3\u6784\u3001\u52a8\u529b\u5b66\u548c\u64cd\u4f5c\u65b9\u9762\u7684\u5927\u90e8\u5206\u4fe1\u606f\u5df2\u7ecf\u4ece\u5355\u5206\u5b50\u529b\u8c31\u83b7\u5f97\u3002\u5728\u8fd9\u4e9b\u5b9e\u9a8c\u4e2d\uff0c\u5206\u5b50\u88ab\u6355\u83b7\u5e76\u88ab\u62c9\u5230\u57fa\u5e95\u548c\u663e\u5fae\u63a2\u9488\u4e4b\u95f4\uff0c\u6d4b\u91cf\u5176\u6062\u590d\u529b\u3002 \u4ee5\u539f\u5b50\u529b\u663e\u5fae\u955c\uff08AFM\uff09\u4e3a\u57fa\u7840\u7684\u529b\u5b66\u5149\u8c31\u5b66\u80fd\u591f\u4ee5\u4e9a\u7eb3\u7c73\u7ea7\u7684\u5206\u8fa8\u7387\u63a2\u6d4b\u5206\u5b50\u7684\u529b\u5b66\u6027\u80fd\uff0c\u5df2\u88ab\u5e7f\u6cdb\u7528\u4e8e\u9610\u660e\uff08\u751f\u7269\uff09\u5927\u5206\u5b50\u7684\u6784\u8c61\u3001\u7814\u7a76\u751f\u7269\u673a\u68b0\u7684\u529b\u5b66\u5316\u5b66\u3001<\/span>\u4e86\u89e3\u5206\u5b50\u4f34\u4fa3\u4e4b\u95f4\u7684\u7ed3\u5408\u8fc7\u7a0b;<\/span> \u5e76\u7814\u7a76\u8f6e\u70f7\u3001\u7d22\u70c3\u548c\u5176\u4ed6\u673a\u68b0\u4e92\u9501\u5316\u5408\u7269\u7684\u673a\u68b0\u5316\u5b66\u8fc7\u7a0b\u3002<\/span><\/span><\/p>\n

\u8fd1\u65e5\uff0c\u5217\u65e5\u5927\u5b66<\/strong>\u7684Anne-Sophie Duwez<\/strong>\u6559\u6388\u5728Nat. Nanotech.<\/strong>\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u5173\u4e8e\u5408\u6210\u7684\u4f4e\u805a\u56db\u6c27\u5316\u6c2e\u80fd\u5728\u673a\u68b0\u8d1f\u8f7d\u4e0b\u6298\u53e0\u65f6\u7684\u6587\u7ae0\uff0c\u9898\u4e3a\u201cSynthetic oligorotaxanes exert high forces when folding under mechanical load<\/strong>\u201d\u3002\u8be5\u7814\u7a76\u4ece\u5927\u81ea\u7136\u7684\u5206\u5b50\u673a\u5668\u4e2d\u83b7\u5f97\u7075\u611f\uff0c\u5f62\u6210\u4e00\u79cd\u5b9a\u4e49\u660e\u786e\u3001\u7a33\u5b9a\u800c\u9ad8\u5ea6\u52a8\u6001\u7684\u7cfb\u7edf\u7684\u5206\u5b50\u673a\u5236\uff0c\u65b0\u5174\u7684\u5408\u6210\u5be1\u805a\u534a\u80f1\u6c28\u9178\u7c7b\u5316\u5408\u7269\u663e\u793a\u51fa\u6709\u6548\u6027\u3001\u7a33\u5b9a\u6027\u548c\u9519\u7efc\u590d\u6742\u7684\u52a8\u529b\u5b66\u8c03\u8282\u6027\u80fd\u3002<\/span><\/span><\/p>\n

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

\u56fe<\/strong>1 <\/strong>[0.5\uff08n-1\uff09+ 2]\u65cf[5]\u8f6e\u70f7\u7684\u7ed3\u6784\u5f0f\u548c\u5171\u6784\u8c61<\/span><\/span>\u793a\u610f\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>2 \u57fa\u4e8eAFM\u7684[5]\u8f6e\u70f7\u5728DMF\u4e2d\u7684\u673a\u68b0\u5c55\u5f00<\/strong><\/span><\/span><\/p>\n

\"\"<\/p>\n

a\uff09\u62c9\u52a8\u5b9e\u9a8c\u7684\u63d2\u56fe\u3002 \u901a\u8fc7\u4ee5\u6052\u5b9a\u7684\u901f\u5ea6\u6536\u56de\u60ac\u81c2\u800c\u53d1\u751f\u673a\u68b0\u5c55\u5f00\u3002 \u65ad\u5f00\u6e38\u79bbDNP\u548c\u8fde\u7eed\u73af\u4e4b\u95f4\u7684\u4e00\u4e2a\u76f8\u4e92\u4f5c\u7528\u4e4b\u540e\u957f\u5ea6\u7684\u7406\u8bba\u53d8\u5316<\/span>\u7ea6\u4e3a1.2\u7eb3\u7c73\u3002<\/span><\/span><\/p>\n

b\uff09\u572840 nm\u00b7s-1<\/sup>\uff08103<\/sup> pN\u00b7s-1<\/sup>\uff09\u4e0b\u83b7\u5f97\u7684\u529b- \u8ddd\u79bb\u66f2\u7ebf\u7684\u5b9e\u4f8b\u3002<\/span><\/span><\/p>\n

c\uff09\u8fde\u7eed\u5cf0\u503c\u4e4b\u95f4\u7684\u8f6e\u5ed3\u957f\u5ea6\u589e\u91cf\u5206\u5e03\uff08\u0394Lc<\/sub>\uff09\uff08N = 1712\uff09\u3002<\/span><\/span><\/p>\n

d\uff09\u5728350 nm\u00b7s-1<\/sup>\uff08104<\/sup> pN\u00b7s -1<\/sup>\uff09\u4e0b\u83b7\u5f97\u7684\u529b – \u8ddd\u79bb\u66f2\u7ebf\u7684\u5b9e\u4f8b\u3002<\/span><\/span><\/p>\n

\u56fe<\/strong>3<\/strong> \u7275\u62c9 – \u677e\u5f1b\u5faa\u73af\u663e\u793a\u673a\u68b0\u8f7d\u8377\u4e0b\u4e00\u6b21\u76f8\u4e92\u4f5c\u7528\u7684\u6539\u53d8<\/span><\/span><\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>4 \u00a0<\/strong>\u62c9\u4f38\u653e\u677e\u5b9e\u9a8c\u663e\u793a\u4e86\u6298\u53e0\u72b6\u6001\u548c\u672a\u6298\u53e0\u72b6\u6001\u4e4b\u95f4\u7684\u5927\u91cf\u6ce2\u52a8<\/strong><\/span><\/span><\/p>\n

\"\"<\/p>\n

a\uff09\u5728DMF\u4e2d\u7684\u4e2a\u522b[5]\u8f6e\u70f7\u5206\u5b50\u4e0a\u83b7\u5f97\u7684\u62c9 – \u677e\u5f1b\u5faa\u73af\u3002<\/span><\/span><\/p>\n

b\uff09\u5728\u4ece\u5c40\u90e8\u5c55\u5f00\u5230\u5c40\u90e8\u6298\u53e0\u72b6\u6001\uff08N = 115\uff09\u7684\u6ce2\u52a8\u4e4b\u524d\u65bd\u52a0\u7684\u5916\u529b\u7684\u5206\u5e03\u3002<\/span><\/span><\/p>\n

c\uff09\u6ce2\u52a8\u8fc7\u7a0b\u4e2d\u529b\u589e\u91cf\uff08\u0394F\uff09\u7684\u5206\u5e03\uff08N = 115\uff09\u3002\u5728\u5c40\u90e8\u6298\u53e0\u671f\u95f4\uff0c\u5be1\u805a\u534a\u80f1\u6c28\u9178\u5e73\u5747\u65bd\u52a025 pN\u7684\u529b\uff0c\u8fbe\u523050 pN\uff08\u52a0\u8f7d\u901f\u7387\u4e3a104<\/sup> pN\u00b7s-1<\/sup>\uff09\u3002<\/span><\/span><\/p>\n

d\uff09\u529b – \u65f6\u95f4\u66f2\u7ebf\uff08\u52a0\u8f7d\u901f\u7387\uff1a104<\/sup> pN\u00b7s-1<\/sup>\uff08350 nm\u00b7s-1<\/sup>\uff09\uff09\u3002\u0394F\u662f\u7531\u5206\u5b50\u91cd\u65b0\u83b7\u5f97\u5176\u5c40\u90e8\u6298\u53e0\u72b6\u6001\u6240\u65bd\u52a0\u7684\u529b\u3002<\/span><\/span><\/p>\n

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

\u672c\u7814\u7a76\u7ed3\u679c\u663e\u793a\uff0c\u4f9b\u4f53 – \u53d7\u4f53\u5be1\u805a\u56db\u6c22\u5316\u7269\uff0c\u54d1\u94c3\u7ed3\u6784\u7531\u88ab1,5-\u4e8c\u6c27\u4ee3\u8418\u5355\u5143\u95f4\u9694\u7684\u5be1\u805a\u919a\u94fe\u7ec4\u6210\uff0c\u4e00\u534a\u88ab\u73af\u53cc\uff08\u767e\u8349\u67af – \u5bf9 – \u4e9a\u82ef\u57fa\uff09\u73af\u5305\u56f4\uff0c\u80fd\u591f\u5728\u91cd\u6298\u53e0\u4e2d\u65bd\u52a0\u663e\u7740\u7684\u529b<\/span>\u62b5\u6297\u9ad8\u5916\u90e8\u8d1f\u8377\u3002<\/span>\u5373\u4f7f\u5728\u9ad8\u8d1f\u8f7d\u7387\u4e0b\u4e5f\u89c2\u5bdf\u5230\u6ce2\u52a8\u3002\u8fd9\u610f\u5473\u7740\u8fd9\u4e9b\u5206\u5b50\u7684\u70ed\u52a8\u529b\u5b66\u975e\u5e38\u9ad8\uff0c\u4f7f\u5f97\u5b83\u4eec\u662f\u5728\u8d85\u9ad8\u7684\u52a0\u8f7d\u901f\u7387\u4e0b\u8fd8\u80fd\u6d4b\u5f97\u5feb\u901f\u7684\u6298\u53e0\u901f\u5ea6\u3002<\/span>\u673a\u68b0\u4e92\u9501\u7ed3\u6784\u6700\u6709\u53ef\u80fd\u662f\u9020\u6210\u8fd9\u79cd\u975e\u5e38\u5f3a\u52b2\u548c\u9ad8\u5ea6\u52a8\u6001\u6298\u53e0\u7684\u539f\u56e0\u3002\u8be5\u7814\u7a76<\/span>\u4ece\u5927\u81ea\u7136\u7684\u5206\u5b50\u673a\u5668\u4e2d\u83b7\u5f97\u7075\u611f\uff0c\u8fd9\u79cd\u5206\u5b50\u673a\u5236\u5229\u7528\u4e86\u5b9a\u4e49\u660e\u786e\u3001\u7a33\u5b9a\u800c\u9ad8\u5ea6\u52a8\u6001\u7684\u7cfb\u7edf\u3002\u8be5\u7bc7\u62a5\u9053\u7684\u65b0\u5174\u5408\u6210\u7684\u5be1\u805a\u534a\u80f1\u6c28\u9178\u7c7b\u5316\u5408\u7269\u5177\u6709\u6709\u6548\u6027\u3001\u7a33\u5b9a\u6027\u548c\u9519\u7efc\u590d\u6742\u7684\u52a8\u529b\u5b66\u8c03\u8282\u6027\u80fd\u3002<\/span>\u79cd\u79cd\u7814\u7a76\u7ed3\u679c\u8868\u660e\uff0c\u8be5\u7269\u8d28\u6709\u671b\u8d85\u8fc7\u5929\u7136\u6298\u53e0\u86cb\u767d\u7684\u6027\u80fd\u3002<\/span><\/span><\/p>\n

\u6587\u732e\u94fe\u63a5<\/strong>\uff1aSynthetic oligorotaxanes exert high forces when folding under mechanical load<\/a>\uff08Nat. Nanotech.\uff0c2018\uff0cDOI: 10.1038\/s41565-017-0033-7\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u9ad8\u5206\u5b50\u5b66\u672f\u7ec4\u6c34\u624b\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\u3002<\/p>\n

\u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u8fd9\u91cc\u6c47\u96c6\u4e86\u5404\u5927\u9ad8\u6821\u7855\u535a\u751f\u3001\u4e00\u7ebf\u79d1\u7814\u4eba\u5458\u4ee5\u53ca\u884c\u4e1a\u4ece\u4e1a\u8005\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/strong><\/a>\u3002\u53c2\u4e0e\u9ad8\u5206\u5b50\u8bdd\u9898\u8ba8\u8bba\u6216\u4e86\u89e3\u9ad8\u5206\u5b50\u7ec4\u62db\u52df\u8be6\u60c5\uff0c\u8bf7\u52a0\u9ad8\u5206\u5b50\u4ea4\u6d41\u7fa4\uff08298064863\uff09\u3002<\/p>\n

\u6750\u6599\u6d4b\u8bd5\u3001\u6570\u636e\u5206\u6790\uff0c\u4e0a<\/strong>\u6d4b\u8bd5\u8c37<\/strong><\/a>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

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