{"id":235647,"date":"2022-04-10T06:45:54","date_gmt":"2022-04-09T22:45:54","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=235647"},"modified":"2022-04-09T21:46:04","modified_gmt":"2022-04-09T13:46:04","slug":"nature-nanotechnology%ef%bc%9a%e5%88%a9%e7%94%a8%e8%84%89%e5%86%b2%e7%87%83%e6%96%99%e5%88%86%e5%ad%90ratchet%e5%9c%a8%e7%9b%b8%e9%97%b4%e6%b3%b5%e9%80%81","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=235647","title":{"rendered":"Nature Nanotechnology\uff1a\u5229\u7528\u8109\u51b2\u71c3\u6599\u5206\u5b50ratchet\u5728\u76f8\u95f4\u6cf5\u9001"},"content":{"rendered":"

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

\u5c06\u6eb6\u6db2\u4e2d\u7684\u7269\u79cd\u5438\u9644\u5230\u56fa\u4f53\u4e2d\u5e76\u5438\u9644\u5230\u56fa\u4f53\u4e0a\u662f\u5e9f\u7269\u548c\u6c61\u67d3\u7269\u9694\u79bb\u3001\u8d35\u91d1\u5c5e\u56de\u6536\u3001\u591a\u76f8\u50ac\u5316\u3001\u5206\u6790\u548c\u5206\u79bb\u79d1\u5b66\u4ee5\u53ca\u5176\u4ed6\u6280\u672f\u7684\u57fa\u7840\u3002\u76f8\u95f4\u7684\u8f6c\u79fb\u503e\u5411\u4e8e\u6cbf\u7740\u5e73\u8861\u65b9\u5411\u81ea\u53d1\u8fdb\u884c\uff0c\u4f8b\u5982\u4e8c\u6c27\u5316\u7845\uff08SiO2<\/sub>\uff09\u7eb3\u7c73\u9897\u7c92\u4e0a\u7684\u70f7\u57fa\u94f5\u57fa\u56e2\uff08alkyl ammonium groups\uff09\u901a\u8fc7\u4e3b-\u5ba2\u4f53\u7ed3\u5408\u4ece\u6eb6\u6db2\u4e2d\u5316\u5b66\u5438\u9644\u846b\u82a6\u7d20\u5927\u73af\uff08cucurbituril macrocycles\uff09\u3002\u5176\u4e2d\uff0c\u5206\u5b50ratchet\u673a\u5236\uff0c\u5373\u52a8\u529b\u5b66\u95e8\u63a7\u6291\u5236\u6216\u52a0\u901f\u7279\u5b9a\u7684\u6b65\u9aa4\uff0c\u4f7f\u5176\u6709\u53ef\u80fd\u9010\u6b65\u63a8\u52a8\u52a8\u6001\u7cfb\u7edf\u504f\u79bb\u5e73\u8861\u3002\u57fa\u4e8e\u7406\u8bba\u7814\u7a76\uff0c\u80fd\u91cf\u548c\u4fe1\u606fratchet\u673a\u5236\u5bf9\u5206\u5b50\u7cfb\u7edf\u8fdc\u79bb\u5e73\u8861\u7684\u8bc1\u660e\uff0c\u4f7f\u5206\u5b50\u9a6c\u8fbe\u548c\u5206\u5b50\u6cf5\u7684\u8bbe\u8ba1\u6210\u4e3a\u53ef\u80fd\u3002<\/p>\n

\"\"<\/p>\n

\u3010\u6210\u679c\u63a0\u5f71\u3011 <\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u82f1\u56fd\u66fc\u5f7b\u65af\u7279\u5927\u5b66David A. Leigh\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09\u7b49\u4eba<\/strong>\u62a5\u9053\u4e86\u56fa\u5b9a\u5728\u805a\u5408\u7269beads\u4e0a\u7684\u5206\u5b50\u6cf5\uff0c\u5b83\u4f7f\u7528\u80fd\u91cfratchet\u673a\u5236\u5c06\u57fa\u8d28\u4ece\u6eb6\u6db2\u5b9a\u5411\u8f93\u9001\u5230beads\u4e0a\u3002\u5728\u52a0\u5165\u4e09\u6c2f\u4e59\u9178\uff08CCl3<\/sub>CO2<\/sub>H\uff09\u540e\uff0c\u901a\u8fc7\u6eb6\u5242\u53ef\u63a5\u8fd1\u7684\u5206\u5b50\u6cf5\u529f\u80fd\u5316\u7684\u76f4\u5f84\u4e3a\u5fae\u7c73\u7684\u805a\u82ef\u4e59\u70ef\u73e0\u4e0e\u9644\u52a0\u8367\u5149\u6807\u7b7e\u7684\u6eb6\u6db2\u51a0\u919a\u9694\u79bb\u3002\u5728\u71c3\u6599\u6d88\u8017\u540e\uff0c\u8fd9\u4e9b\u73af\u88ab\u673a\u68b0\u5730\u56f0\u5728beads\u4e0a\uff0c\u5904\u4e8e\u66f4\u9ad8\u80fd\u91cf\u7684\u4e0d\u5e73\u8861\u72b6\u6001\uff0c\u4e0d\u80fd\u901a\u8fc7\u7a00\u91ca\u6216\u5f7b\u5e95\u6e05\u6d17\u6765\u53bb\u9664\u3002\u8fd9\u4e0e\u8017\u6563\u7ec4\u88c5\u6750\u6599\u4e0d\u540c\uff0c\u8017\u6563\u7ec4\u88c5\u6750\u6599\u9700\u8981\u6301\u7eed\u4f9b\u5e94\u80fd\u91cf\u624d\u80fd\u6301\u7eed\u5b58\u5728\uff0c\u4e5f\u4e0d\u540c\u4e8e\u4f20\u7edf\u7684\u4e3b-\u5ba2\u4f53\u590d\u5408\u7269\u3002\u6dfb\u52a0\u7b2c\u4e8c\u4e2a\u71c3\u6599\u8109\u51b2\u4f1a\u5bfc\u81f4\u5438\u6536\u66f4\u591a\u7684\u5927\u5faa\u73af\uff0c\u4ece\u800c\u4f7f\u7cfb\u7edf\u8fdb\u4e00\u6b65\u8fdc\u79bb\u5e73\u8861\u3002\u7b2c\u4e8c\u4e2a\u5927\u73af\u53ef\u4ee5\u7528\u4e0d\u540c\u7684\u8367\u5149\u6807\u7b7e\u8fdb\u884c\u6807\u8bb0\uff0c\u4ece\u800c\u63d0\u4f9b\u6709\u5173\u5438\u6536\u7ed3\u6784\u7684\u5e8f\u5217\u4fe1\u606f\u3002\u805a\u5408\u7269\u7ed3\u5408\u7684\u57fa\u6750\u53ef\u4ee5\u4e00\u6b21\u91ca\u653e\u4e00\u4e2a\u9694\u95f4\u6216\u4e00\u6b21\u5168\u90e8\u91ca\u653e\u56de\u672c\u4f53\u3002\u56fa\u5b9a\u5316\u4eba\u5de5\u5206\u5b50\u673a\u5668\u7684\u975e\u5e73\u8861\u5438\u9644\u4f7f\u5316\u5b66\u71c3\u6599\u4e2d\u7684\u80fd\u91cf\u8f6c\u5316\u4e3a\u80fd\u91cf\u548c\u4fe1\u606f\u7684\u4f7f\u7528\u3001\u5b58\u50a8\u548c\u91ca\u653e\u3002\u7814\u7a76\u6210\u679c\u4ee5\u9898\u4e3a\u201cPumping between phases with a pulsed-fuel molecular ratchet\u201d<\/strong>\u53d1\u5e03\u5728\u56fd\u9645\u8457\u540d\u671f\u520aNature Nanotechnology<\/em>\u4e0a\u3002<\/p>\n

\u672c\u6587\u6240\u6709\u56fe\u6765\u6e90\u4e8e\u00a9 2022 Springer Nature Limited\u3002<\/p>\n

\u3010\u6838\u5fc3\u521b\u65b0\u3011<\/strong><\/p>\n

1\u3001\u56fa\u5b9a\u5728\u805a\u5408\u7269beads\u4e0a\u7684\u5206\u5b50\u6cf5\uff0c\u5229\u7528\u80fd\u91cfratchet\u673a\u5236\u5c06\u57fa\u8d28\u4ece\u6eb6\u6db2\u5b9a\u5411\u8f93\u9001\u5230beads\u4e0a\u3002<\/p>\n

2\u3001\u7814\u7a76\u80fd\u91cf\u548c\u4fe1\u606fratchet\u673a\u5236\uff0c\u52a9\u529b\u8bbe\u8ba1\u5206\u5b50\u9a6c\u8fbe\u548c\u5206\u5b50\u6cf5\u3002<\/p>\n

\u3010\u6570\u636e\u6982\u89c8\u3011 <\/strong><\/p>\n

\u56fe\u4e00\u3001\u5229\u7528\u8109\u51b2\u5316\u5b66\u71c3\u6599\u4ece\u6eb6\u6db2\u6cf5\u9001\u81f3\u805a\u5408\u7269beads\u7684\u6eb6\u5242\u53ef\u53ca\u90e8\u4f4d <\/strong><\/p>\n

\"\"<\/p>\n

\u56fe\u4e8c\u3001\u5206\u5b50\u6cf51\u5728\u6eb6\u6db2\u4e2d\u7684\u9010\u6b65\u64cd\u4f5c <\/strong><\/p>\n

\"\"<\/p>\n

\u56fe\u4e09\u3001\u5206\u5b50ratchet 1\u5728\u6eb6\u6db2\u4e2d\u64cd\u4f5c\u7684\u90e8\u52061<\/sup>H NMR\u5149\u8c31 <\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09DB24C8\uff1b<\/p>\n

\uff08b\uff09\u5206\u5b50ratchet 1<\/strong>\uff1b<\/p>\n

\uff08c\uff09[2]\u8f6e\u70f73H+<\/sup>\uff0c1<\/strong>\u4e0eCF3<\/sub>CO2<\/sub>H\u3001DB24C8\u548c\u9170\u80bc2<\/strong>\u53cd\u5e94\u540e\u5206\u79bb\uff1b<\/p>\n

\uff08d\uff09[2]\u8f6e\u70f76<\/strong>\uff0c\u57283H+<\/sup>\u4e0eDBU\u3001\u786b\u91874<\/strong>\u548c\u4e8c\u786b\u5316\u72695<\/strong>\u53cd\u5e94\u540e\u5206\u79bb\uff1b<\/p>\n

\uff08e\uff09[3]\u8f6e\u70f77H+<\/sup>\uff0c6<\/strong>\u4e0eCF3<\/sub>CO2<\/sub>H\u3001DB24C8\u548c\u9170\u80bc2<\/strong>\u53cd\u5e94\u540e\u5206\u79bb\u3002<\/p>\n

\u56fe\u56db\u3001\u5229\u7528\u8109\u51b2\u5316\u5b66\u71c3\u6599\u4ece\u6eb6\u6db2\u987a\u5e8f\u6cf5\u9001\u81f3\u805a\u5408\u7269beads <\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u56fa\u5b9a\u5728\u76f4\u5f84\u4e3a10 \u03bcm\u7684\u805a\u82ef\u4e59\u70efbeads\u4e0a\u7684\u5206\u5b50ratchet\u7ed3\u6784\uff1b<\/p>\n

\uff08b\uff09\u64cd\u4f5c\u6761\u4ef6\uff1a\uff081\uff09beads 10<\/strong>\uff080.5\u2009mmol\uff09\u3001\u84bd\u5927\u73af8<\/strong>\uff082.8\u2009mM\uff09\u3001\u9170\u80bc2<\/strong>\uff081.1\u2009mM\uff09\u3001\u786b\u91875<\/strong>\uff081.3\u2009mM\uff09\u3001\u4e8c\u786b\u5316\u72696<\/strong>\uff0813\u2009mM\uff09\u3001Et3<\/sub>N\uff08400\u2009mM\uff09\u548cCCl3<\/sub>CO2<\/sub>H\uff081200\u2009mM\uff09\uff0cCH3<\/sub>CN\uff0c\u5ba4\u6e2918\u2009 h\uff1b\uff082\uff09beads 11<\/strong>\uff080.5\u2009mmol\uff09\u3001\u8418\u9170\u4e9a\u80fa\u5927\u73af\u5316\u5408\u72699<\/strong>\uff082.8\u2009mM\uff09\u3001\u9170\u80bc2<\/strong>\uff081.1\u2009mM\uff09\u3001\u786b\u91875<\/strong>\uff081.3\u2009mM\uff09\u3001\u4e8c\u786b\u5316\u72696<\/strong>\uff0813\u2009mM\uff09\u3001Et3<\/sub>N\uff08400\u2009mM\uff09\u548cCCl3<\/sub>CO2<\/sub>H\uff081200\u2009mM\uff09\u3001CH3<\/sub>CN\uff0c\u5ba4\u6e2918\u2009 h\uff1b<\/p>\n

\uff08c\uff09\u64cd\u4f5c\u6761\u4ef6\uff1a\uff081\uff09beads 10<\/strong>\uff080.5\u2009mmol\uff09\u3001\u8418\u9170\u4e9a\u80fa\u5927\u73af\u5316\u5408\u72699<\/strong>\uff082.8\u2009mM\uff09\u3001\u9170\u80bc2<\/strong>\uff081.1\u2009mM\uff09\u3001\u786b\u91875<\/strong>\uff081.3\u2009mM\uff09\u3001\u4e8c\u786b\u5316\u72696<\/strong>\uff0813\u2009mM\uff09\u3001Et3<\/sub>N\uff08400\u2009mM\uff09\u548cCCl3<\/sub>CO2<\/sub>H\uff081200\u2009mM\uff09\u3001CH3<\/sub>CN\uff0c\u5ba4\u6e2918\u2009 h\uff1b\uff082\uff09beads 13<\/strong>\uff080.5\u2009mmol\uff09\u3001\u84bd\u5927\u73af8<\/strong>\uff082.8\u2009mM\uff09\u3001\u9170\u80bc2<\/strong>\uff081.1\u2009mM\uff09\u3001\u786b\u91875<\/strong>\uff081.3\u2009mM\uff09\u3001\u4e8c\u786b\u5316\u72696<\/strong>\uff0813\u2009mM\uff09\u3001Et3<\/sub>N\uff08400\u2009mM\uff09\u548cCCl3<\/sub>CO2<\/sub>H\uff081200\u2009mM\uff09\u3001CH3<\/sub>CN\uff0c\u5ba4\u6e2918\u2009 h\u3002<\/p>\n

\u56fe\u4e94\u3001\u8bfb\u53d6\u5b58\u50a8\u5728ratcheted\u8f6e\u70f7\u805a\u5408\u7269beads\u4e2d\u7684\u5e8f\u5217\u4fe1\u606f<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u64cd\u4f5c\u6761\u4ef6\uff1a\uff081\uff09beads 12<\/strong>\uff080.5\u2009mmol\uff09\u3001\u7532\u80bc\uff08200\u2009mM\uff09\u3001CF3<\/sub>CO2<\/sub>H\uff0850\u2009mM\uff09\u3001CH3<\/sub>CN\uff0c\u5ba4\u6e2924 \u2009h\uff1b\uff082\uff09beads 15<\/strong>\uff080.5\u2009mmol\uff09\u3001DTT\uff0850\u2009mM\uff09\u3001Et3<\/sub>N\uff0850\u2009mM\uff09\u3001CH3<\/sub>CN\uff0c\u5ba4\u6e2924 \u2009h\uff1b<\/p>\n

\uff08b\uff09\u64cd\u4f5c\u6761\u4ef6\uff1a\uff081\uff09beads 14<\/strong>\uff080.5\u2009mmol\uff09\u3001\u7532\u80bc\uff08200\u2009mM\uff09\u3001CF3<\/sub>CO2<\/sub>H\uff0850\u2009mM\uff09\u3001CH3<\/sub>CN\uff0c\u5ba4\u6e2924 \u2009h\uff1b\uff082\uff09beads 17<\/strong>\uff080.5\u2009mmol\uff09\u3001DTT\uff0850\u2009mM\uff09\u3001Et3<\/sub>N\uff0850\u2009mM\uff09\u3001CH3<\/sub>CN\uff0c\u5ba4\u6e2924\u2009 h\u3002<\/p>\n

\u3010\u6210\u679c\u542f\u793a\u3011<\/p>\n

\u7efc\u4e0a\u6240\u8ff0\uff0c\u4f5c\u8005\u8bc1\u660e\u4e86\u56fa\u5b9a\u5316\u7684\u5206\u5b50ratchets\u53ef\u4ee5\u4ece\u5316\u5b66\u71c3\u6599\u4e2d\u8f6c\u6362\u80fd\u91cf\uff0c\u4ee5\u5c06\u5e95\u7269\u4ece\u7269\u8d28\u7684\u4e00\u4e2a\u76f8\u5e73\u8861\u8f6c\u79fb\u5230\u53e6\u4e00\u4e2a\u76f8\u3002\u4f5c\u8005\u4f7f\u7528\u5fae\u7c73\u5c3a\u5bf8\u7684\u805a\u5408\u7269beads\u8bf4\u660e\u4e86\u8fd9\u4e00\u70b9\uff0c\u4f46\u8be5\u65b9\u6cd5\u5e94\u8bc1\u660e\u9002\u7528\u4e8e\u5176\u4ed6\u56fa\u4f53\u3001\u8868\u9762\u3001\u51dd\u80f6\u548c\u7eb3\u7c73\u9897\u7c92\u3002\u8fd9\u4e9b\u8fc7\u7a0b\u53ef\u80fd\u88ab\u8bc1\u660e\u53ef\u7528\u4e8e\u4ece\u6eb6\u6db2\u6216\u6c14\u76f8\u4e2d\u63d0\u53d6\u5316\u5b66\u7269\u8d28\uff0c\u4ee5\u53ca\u5206\u5b50\u7eb3\u7c73\u6280\u672f\u548c\u5176\u4ed6\u5316\u5b66\u8fc7\u7a0b\u4e2d\u80fd\u91cf\u548c\u4fe1\u606f\u7684\u5b58\u50a8\u548c\u91ca\u653e\u3002\u4e8b\u5b9e\u4e0a\uff0c\u901a\u8fc7\u80fd\u91cfratchets\u673a\u5236\u63a7\u5236\u5438\u6536\/\u89e3\u5438\u8fc7\u7a0b\u6700\u8fd1\u5df2\u88ab\u786e\u5b9a\u4e3a\u9a71\u52a8\u591a\u76f8\u50ac\u5316\u9ad8\u4e8e\u9759\u6001Sabatier\u6700\u5927\u503c\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aPumping between phases with a pulsed-fuel molecular ratchet<\/a><\/strong>. Nature Nanotechnology<\/em>, 2022<\/strong>, DOI: 10.1038\/s41565-022-01097-1.<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4ebaCQR\u7f16\u8bd1\u3002<\/p>\n

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