{"id":33688,"date":"2016-08-17T08:01:19","date_gmt":"2016-08-17T00:01:19","guid":{"rendered":"\/\/m.iemloyee.com\/?p=33688"},"modified":"2016-08-17T12:11:05","modified_gmt":"2016-08-17T04:11:05","slug":"acs-nano-%e5%8e%8b%e7%94%b5%e7%94%b5%e5%ad%90%e5%ad%a6%e6%95%88%e5%ba%94%e5%a2%9e%e5%bc%ba%e6%b0%a7%e5%8c%96%e9%94%8c%e7%ba%b3%e7%b1%b3%e7%ba%bf%e7%94%9f%e7%89%a9%e4%bc%a0%e6%84%9f%e5%99%a8%e7%9a%84d","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=33688","title":{"rendered":"ACS Nano: \u538b\u7535\u7535\u5b50\u5b66\u6548\u5e94\u589e\u5f3a\u6c27\u5316\u950c\u7eb3\u7c73\u7ebf\u751f\u7269\u4f20\u611f\u5668\u7684DNA\u65e0\u6807\u8bb0\u68c0\u6d4b"},"content":{"rendered":"

\u3010\u5f15\u8bed\u3011<\/strong><\/p>\n

2016\u5e748\u67081\u65e5\uff0cACS Nano\u671f\u520a\u5b98\u7f51\u5728\u7ebf\u53d1\u8868\u4e86\u9898\u4e3a\u201dPiezotronic Effect Enhanced Lable-Free Detection of DNA Using a Schottky-Contacted ZnO Nanowire Biosensor\u201d\u7684\u6587\u7ae0\u3002\u8be5\u6587\u7ae0\u7684\u7b2c\u4e00\u4f5c\u8005\u662f\u56fd\u5bb6\u7eb3\u7c73\u79d1\u5b66\u4e2d\u5fc3\u7684Xiaotao Cao\uff0c\u901a\u8baf\u4f5c\u8005\u4e3a\u56fd\u5bb6\u7eb3\u7c73\u79d1\u5b66\u4e2d\u5fc3\uff08\u4e2d\u56fd\u79d1\u5b66\u9662\u5317\u4eac\u7eb3\u7c73\u80fd\u6e90\u4e0e\u7cfb\u7edf\u7814\u7a76\u6240\uff09\u7684\u738b\u4e2d\u6797\u6559\u6388\u3001\u66f9\u971e\u6559\u6388\u4ee5\u53ca\u5317\u4eac\u79d1\u6280\u5927\u5b66\u7684\u738b\u5b81\u526f\u6559\u6388\u3002<\/p>\n

\u8fd9\u7bc7\u6587\u7ae0\u7684\u4e3b\u8981\u5de5\u4f5c\u662f\u53d1\u5c55\u4e86\u57fa\u4e8e\u8096\u7279\u57fa\u63a5\u89e6\uff08Schottky-contacted\uff09\u6c27\u5316\u950c\u7eb3\u7c73\u7ebf\uff08nanowire\uff09\u4f20\u611f\u5668\uff0c\u5b9e\u73b0\u4e86\u5bf9\u4eba\u7c7b\u514d\u75ab\u7f3a\u9677\u75c5\u6bd21\u578b\uff08HIV-1\uff09\u57fa\u56e0\u7684\u7075\u654f\u3001\u539f\u4f4d\u9009\u62e9\u6027\u65e0\u6807\u8bb0\u68c0\u6d4b\u3002<\/p>\n

\u3010\u6210\u679c\u7b80\u4ecb\u3011
\n<\/strong>
\n\u968f\u7740\u6838\u9178\u68c0\u6d4b\u8d8a\u6765\u8d8a\u5e7f\u6cdb\u5730\u5e94\u7528\u4e8e\u57fa\u56e0\u5206\u578b\u6280\u672f\u3001\u4e34\u5e8a\u8bca\u65ad\u4ee5\u53ca\u751f\u7269\u533b\u5b66\u7814\u7a76\u7b49\u9886\u57df\uff0c\u4f20\u7edf\u7684\u5149\u5b66\u68c0\u6d4b\u548c\u5b9e\u65f6PCR\u6280\u672f\u56e0\u5176\u81ea\u8eab\u6709\u7740\u68c0\u6d4b\u6210\u672c\u9ad8\u7b49\u7f3a\u70b9\uff0c\u5df2\u7ecf\u4e0d\u80fd\u591f\u6ee1\u8db3\u5668\u4ef6\u5bf9\u4e8e\u9ad8\u6027\u4ef7\u6bd4\u3001\u9ad8\u901f\u5ea6\u4ee5\u53ca\u9ad8\u7075\u654f\u5ea6\u7684\u68c0\u6d4b\u8981\u6c42\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u4ee5\u4e00\u7ef4\u7eb3\u7c73\u6750\u6599\u4e3a\u4ee3\u8868\u7684\u65e0\u6807\u8bb0\u68c0\u6d4b\u5668\u4ef6\u56e0\u4e3a\u62e5\u6709\u8d85\u9ad8\u7684\u6bd4\u8868\u9762\u79ef\u800c\u4e3a\u5b9e\u73b0\u4f4e\u6210\u672c\u3001\u7b80\u5355\u6709\u6548\u7684DNA\u68c0\u6d4b\u63d0\u4f9b\u4e86\u53ef\u80fd\u6027\u3002\u57fa\u4e8e\u534a\u5bfc\u4f53\u7eb3\u7c73\u7ebf\u7684\u573a\u6548\u5e94\u7ba1\u5c31\u662f\u8fd9\u6837\u4e00\u79cd\u6781\u5177\u5e94\u7528\u6f5c\u529b\u7684\u5668\u4ef6\u3002\u5176\u4e2d\uff0c\u901a\u8fc7\u6539\u53d8\u91d1\u5c5e-\u534a\u5bfc\u4f53\u754c\u9762\u7684\u8096\u7279\u57fa\u52bf\u78ca\u5792\uff08SBH\uff09\u53ef\u4ee5\u8c03\u63a7\u5668\u4ef6\u6027\u80fd\u7684\u8096\u7279\u57fa\u63a5\u89e6\u578b\u4f20\u611f\u5668\u662f\u7814\u7a76\u4eba\u5458\u7684\u5173\u6ce8\u70ed\u70b9\u3002<\/p>\n

\u6c27\u5316\u950c\u7eb3\u7c73\u7ebf\u62e5\u6709\u4f18\u5f02\u7684\u534a\u5bfc\u4f53\u548c\u538b\u7535\uff08piezoelectricity\uff09\u6027\u80fd\uff0c\u662f\u5236\u5907\u8096\u7279\u57fa\u63a5\u89e6\u578b\u5668\u4ef6\u7684\u7406\u60f3\u6750\u6599\u3002\u56fd\u5bb6\u7eb3\u7c73\u79d1\u5b66\u4e2d\u5fc3\u7b49\u673a\u6784\u7684\u7814\u7a76\u4eba\u5458\u5229\u7528\u65bd\u52a0\u5728\u6c27\u5316\u950c\u7eb3\u7c73\u7ebf\u4e0a\u7684\u5916\u52a0\u5e94\u53d8\uff08external strains\uff09\u6765\u4ea7\u751f\u538b\u7535\u7535\u52bf\uff08piezoelectric potential\uff09\u3002\u968f\u540e\u6839\u636e\u538b\u7535\u7535\u5b50\u5b66\u6548\u5e94\uff08piezotronic effect\uff09\uff0c\u8be5\u7535\u52bf\u53ef\u4ee5\u901a\u8fc7\u589e\u52a0\u6216\u964d\u4f4eSBH\u6765\u5f71\u54cd\u8fde\u7ed3\/\u754c\u9762\u5904\u8f7d\u6d41\u5b50\u7684\u4f20\u8f93\uff0c\u4ece\u800c\u6539\u53d8\u7eb3\u7c73\u7ebf\u57fa\u5668\u4ef6\u7684\u6027\u80fd\u3002\u6b64\u5916\uff0c\u901a\u8fc7\u5e26\u8d1f\u7535\u7684\u63a2\u9488\u4e92\u8865DNA\uff08target cDNA\uff09\u4e0e\u5438\u9644\u5728\u7eb3\u7c73\u7ebf\u4e0a\u7684\u5355\u94feDNA\uff08ssDNA\uff09\u8fdb\u884c\u7279\u5f02\u6027\u6742\u4ea4\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5668\u4ef6\u9009\u62e9\u6027\u68c0\u6d4b\u7684\u529f\u80fd\u3002<\/p>\n

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

\u56fe<\/strong>1<\/strong>\uff1a\u6c27\u5316\u950c\u7eb3\u7c73\u7ebf<\/strong>DNA<\/strong>\u4f20\u611f\u5668<\/strong><\/p>\n

\"97<\/a>
\n(a) \u6c27\u5316\u950c\u7eb3\u7c73\u7ebfDNA\u4f20\u611f\u5668\u7684\u6570\u7801\u56fe\u50cf\u53ca\u5149\u5b66\u663e\u5fae\u56fe\u50cf\uff1b(b) \u5408\u6210\u7684\u6c27\u5316\u950c\u7eb3\u7c73\u7ebf\u7684\u626b\u63cf\u7535\u955c\u56fe\uff1b(c) \u538b\u7535\u7535\u5b50\u5b66\u6548\u5e94\u5bf9DNA\u4f20\u611f\u5668\u6027\u80fd\u5f71\u54cd\u7684\u5b9e\u9a8c\u8bbe\u7f6e\u793a\u610f\u56fe\uff1b(d) \u65e0\u5e94\u53d8\u6216\u5916\u90e8\u5e94\u53d8\u4e0b\u6c27\u5316\u950c\u7eb3\u7c73\u7ebfDNA\u4f20\u611f\u5668\u7684\u529f\u80fd\u5316\u548c\u68c0\u6d4b\u8fc7\u7a0b\u3002<\/p>\n

\u56fe<\/strong>2<\/strong>\uff1a<\/strong>ssDNA<\/strong>\u7eb3\u7c73\u7ebf\u8868\u9762\u56fa\u5b9a\u5b9e\u9a8c\u8367\u5149\u53d1\u5c04\u5206\u6790<\/strong><\/p>\n

\"97<\/p>\n

(a) \u6c27\u5316\u950c\u7eb3\u7c73\u7ebf\u7684\u8367\u5149\u663e\u5fae\u56fe\u50cf\uff1b(b) \u6807\u8bb0\u6709\u6fc0\u53d1\u6ce2\u957f\u4e3a494nm\u7684\u8367\u5149\u67d3\u6599FAM\u7684ssDNA\u5728\u6c27\u5316\u950c\u7eb3\u7c73\u7ebf\u8868\u9762\u529f\u80fd\u5316\u7684\u8367\u5149\u663e\u5fae\u56fe\u50cf\u3002<\/p>\n

\u56fe<\/strong>3<\/strong>\uff1a\u4e0d\u540c\u538b\u5e94\u53d8\u53ca\u4e0d\u540c\u63a2\u9488<\/strong>DNA<\/strong>\u6d53\u5ea6\u6761\u4ef6\u4e0b<\/strong>DNA<\/strong>\u4f20\u611f\u5668\u7684\u4f0f\u5b89\u7279\u6027\u66f2\u7ebf\uff08\u504f\u7f6e\u7535\u538b\u8303\u56f4\u4e3a<\/strong>-1.5-1.5V<\/strong>\uff09<\/strong><\/p>\n

\"97
\n(a) \u538b\u5e94\u53d8\u4e3a00%\uff0c\u63a2\u9488cDNA\u6d53\u5ea6\u8303\u56f4\u4e3a0\u52301E-7M\uff1b(b) \u538b\u5e94\u53d8\u4e3a-0.59%\uff0c\u63a2\u9488cDNA\u6d53\u5ea6\u8303\u56f4\u4e3a0\u52301E-7M\uff1b(c) \u63a2\u9488cDNA\u6d53\u5ea6\u4e3a1E-10M\uff0c\u538b\u5e94\u53d8\u8303\u56f4\u4e3a0\u5230-0.59%\uff1b(d) \u63a2\u9488cDNA\u6d53\u5ea6\u4e3a1E-7M\uff0c\u538b\u5e94\u53d8\u8303\u56f4\u4e3a0\u5230-0.59%\uff1b(e) \u538b\u5e94\u53d8\u4e3a00%\uff0c\u975e\u63a2\u9488cDNA\u6d53\u5ea6\u8303\u56f4\u4e3a0\u52301E-7M\uff1b(f) \u538b\u5e94\u53d8\u8303\u56f4\u4e3a0\u5230-0.59%\u5e76\u4e14\u63a2\u9488cDNA\u6d53\u5ea6\u8303\u56f4\u4e3a0\u52301E-7M\u65f6\u7684\u8f93\u51fa\u7535\u6d41\u54cd\u5e94\u4e09\u7ef4\u56fe\u50cf\uff08\u504f\u7f6e\u7535\u538b\u4e3a5V\uff09\u3002<\/p>\n

\u56fe<\/strong>4<\/strong>\uff1a\u7ecf\u8fc7\u538b\u7535\u7535\u5b50\u5b66\u6548\u5e94\u589e\u5f3a\u6027\u80fd\u7684\u6c27\u5316\u950c\u7eb3\u7c73\u7ebf<\/strong>DNA<\/strong>\u4f20\u611f\u5668<\/strong><\/p>\n

\"97
\n<\/strong>(a) \u5728\u4e00\u5b9a\u63a2\u9488cDNA\u6d53\u5ea6\uff080, 1E\u221210, 1E\u22129, 1E\u22128, 1E\u22127 M\uff09\u4e0b\uff0cDNA\u4f20\u611f\u5668\u5bf9\u4e0d\u540c\u538b\u5e94\u53d8\u7535\u6d41\u54cd\u5e94\uff08\u7edd\u5bf9\u503c\uff09\uff1b(b) \u5728\u4e00\u5b9a\u63a2\u9488cDNA\u6d53\u5ea6\uff080, 1E\u221210, 1 E\u22129, 1 E\u22128, 1 E\u22127 M\uff09\u4e0b\uff0cDNA\u4f20\u611f\u5668\u5bf9\u4e0d\u540c\u538b\u5e94\u53d8\u7535\u6d41\u54cd\u5e94\uff08\u76f8\u5bf9\u503c\uff09\uff1b(c) \u5728\u4e00\u5b9a\u538b\u5e94\u53d8\uff0800, -0.25,-0.36 , -0.45,-0.59%\uff09\u4e0b\uff0cDNA\u4f20\u611f\u5668\u5bf9\u4e0d\u540c\u63a2\u9488cDNA\u6d53\u5ea6\u7535\u6d41\u54cd\u5e94\uff08\u7edd\u5bf9\u503c\uff09\uff1b(d) \u5728\u4e00\u5b9a\u538b\u5e94\u53d8\uff0800, -0.25,-0.36 , -0.45,-0.59%\uff09\u4e0b\uff0cDNA\u4f20\u611f\u5668\u5bf9\u4e0d\u540c\u63a2\u9488cDNA\u6d53\u5ea6\u7535\u6d41\u54cd\u5e94\uff08\u76f8\u5bf9\u503c\uff09\u3002<\/p>\n

\u56fe<\/strong>5<\/strong>\uff1a\u4e0d\u540c\u6761\u4ef6\u4e0b\u6c27\u5316\u950c\u7eb3\u7c73\u7ebf<\/strong>DNA<\/strong>\u4f20\u611f\u5668\u7684\u7b80\u8981\u80fd\u5e26\u56fe<\/strong><\/p>\n

\"97<\/p>\n

(a) \u65e0\u5e94\u53d8\uff1b(b) \u538b\u5e94\u53d8\u4ee5\u53cassDNA\u529f\u80fd\u5316\u5904\u7406\uff0c\u4f46\u65e0\u63a2\u9488DNA\uff1b(c) \u538b\u5e94\u53d8\u3001ssDNA\u4ee5\u53ca\u63a2\u9488DNA\u529f\u80fd\u5316\u5904\u7406\u3002<\/p>\n

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

\u8be5\u9879\u5de5\u4f5c\u7684\u5b9e\u9a8c\u7ed3\u679c\u663e\u793a\uff0c\u5f53\u65bd\u52a0\u5728\u6c27\u5316\u950c\u7eb3\u7c73\u7ebf\u57faDNA\u4f20\u611f\u5668\u4e0a\u7684\u538b\u5e94\u53d8\u4e3a-0.59%\u65f6\uff0c\u7535\u6d41\u54cd\u5e94\u7684\u76f8\u5bf9\u503c\u88ab\u589e\u5f3a\u4e86454%\u3002\u8fd9\u5145\u5206\u8bf4\u660e\u5229\u7528\u538b\u7535\u7535\u5b50\u5b66\u6548\u5e94\u7684\u5668\u4ef6\u6539\u6027\u65b9\u6cd5\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u8096\u7279\u57fa\u63a5\u89e6\u578b\u6c27\u5316\u950c\u7eb3\u7c73\u7ebf\u57faDNA\u4f20\u611f\u5668\u7684\u68c0\u6d4b\u6027\u80fd\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Piezotronic Effect Enhanced Label-Free Detection of DNA Using a Schottky-Contacted ZnO Nanowire Biosensor<\/a>\uff08ACS Nano, 2016, DOI: \u00a010.1021\/acsnano.6b04121\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u6750\u6599\u4eba\u7eb3\u7c73\u5b66\u4e60\u5c0f\u7ec4ShiXiong Chern\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\u3002<\/p>\n

\u5982\u679c\u60a8\u60f3\u53c2\u4e0e\u7eb3\u7c73\u8bdd\u9898\u8ba8\u8bba\u6216\u4e86\u89e3\u7eb3\u7c73\u5b66\u4e60\u5c0f\u7ec4\u62db\u52df\u8be6\u60c5\uff0c\u8bf7\u52a0\u5165\u6750\u6599\u4eba\u7eb3\u7c73\u5b66\u672f\u4ea4\u6d41\u7fa4\uff08228686798\uff09<\/strong>\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\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8bed\u3011 2016\u5e748\u67081\u65e5\uff0cACS Nano\u671f\u520a\u5b98\u7f51\u5728\u7ebf\u53d1\u8868\u4e86\u9898\u4e3a\u201dPiezotronic Effect Enhanced Lable-Free Detect…<\/p>\n","protected":false},"author":82,"featured_media":33689,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[75,33],"class_list":["post-33688","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","tag-biomaterial","tag-nano"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/33688"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/82"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=33688"}],"version-history":[{"count":12,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/33688\/revisions"}],"predecessor-version":[{"id":34328,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/33688\/revisions\/34328"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/33689"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=33688"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=33688"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=33688"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}