{"id":263982,"date":"2024-12-19T06:10:50","date_gmt":"2024-12-18T22:10:50","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=263982"},"modified":"2024-12-18T16:23:11","modified_gmt":"2024-12-18T08:23:11","slug":"%e9%a6%99%e6%b8%af%e5%9f%8e%e5%a4%a7%e5%bd%ad%e5%92%8f%e5%ba%b7%e5%89%af%e6%95%99%e6%8e%88small%ef%bc%9a%e5%a4%a7%e8%a7%84%e6%a8%a1%e5%90%88%e6%88%90%e5%85%b7%e6%9c%89%e5%8f%af%e6%8e%a7o2%e6%b4%bb","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=263982","title":{"rendered":"\u9999\u6e2f\u57ce\u5927\u5f6d\u548f\u5eb7\u526f\u6559\u6388Small\uff1a\u5927\u89c4\u6a21\u5408\u6210\u5177\u6709\u53ef\u63a7O2\u6d3b\u5316\u8def\u5f84\u548c\u76f8\u5173\u9176\u4fc3\u53cd\u5e94\u7279\u5f02\u6027\u7684Fe\u57fa\u7eb3\u7c73\u9176"},"content":{"rendered":"<p>\u8fd1\u671f\uff0c\u9999\u6e2f\u57ce\u5e02\u5927\u5b66\u5f6d\u548f\u5eb7\u526f\u6559\u6388\u56e2\u961f\u5728Small\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cOne-Pot\u00a0and Gram-Scale Synthesis of Fe-Based Nanozymes with Tunable\u00a0O<sub>2<\/sub>\u00a0Activation Pathway\u00a0and Specificity between Associated Enzymatic Reactions\u201d\u7684\u7814\u7a76\u8bba\u6587\u3002\u8be5\u5de5\u4f5c\u901a\u8fc7\u7b80\u5355\u7684\u7145\u70e7\u6cd5\u5b9e\u73b0\u4e86\u94c1\u57fa\u7eb3\u7c73\u9176\u7684\u5927\u89c4\u6a21\u5408\u6210\uff0c\u4e14\u8be5\u94c1\u57fa\u7eb3\u7c73\u9176\u5177\u6709\u53ef\u8c03\u63a7\u7684O<sub>2<\/sub>\u6d3b\u5316\u8def\u5f84\u548c\u76f8\u5173\u9176\u4fc3\u53cd\u5e94\u7279\u5f02\u6027\u3002<\/p>\n<p><strong><b>\u5168\u6587\u901f\u89c8\uff1a<\/b><\/strong><\/p>\n<p>\u4e0d\u540c\u4e8e\u5929\u7136\u9176\uff0c\u7eb3\u7c73\u9176\u5f80\u5f80\u7f3a\u4e4f\u50ac\u5316\u7279\u5f02\u6027\uff0c\u4ece\u800c\u963b\u788d\u5176\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u8fd9\u4e00\u6311\u6218\u5728\u6700\u8fd1\u7684\u8bb8\u591a\u7efc\u8ff0\u6587\u7ae0\u4e2d\u5f97\u5230\u4e86\u5e7f\u6cdb\u5173\u6ce8\u3002\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u4e00\u4e9b\u5de5\u4f5c\u5728\u8c03\u8282H<sub>2<\/sub>O<sub>2<\/sub>\u7684\u6d3b\u5316\u8fdb\u800c\u5b9e\u73b0\u76f8\u5173\u7279\u5b9a\u9176\u4fc3\u53cd\u5e94\u6d3b\u6027\u65b9\u9762\u53d6\u5f97\u4e86\u8fdb\u5c55\u3002\u5728\u672c\u8bfe\u9898\u7ec4\u7684\u4e00\u9879\u8fd1\u671f\u5de5\u4f5c\u4e2d\uff0c\u6211\u4eec\u5bf9H<sub>2<\/sub>O<sub>2<\/sub>\u5728CeO<sub>2<\/sub>\u8868\u9762\u7684\u6d3b\u5316\u8fdb\u884c\u4e86\u7cbe\u786e\u63a7\u5236\uff0c\u4ece\u800c\u8c03\u63a7\u4e86CeO<sub>2<\/sub>\u5728\u8fc7\u6c27\u5316\u7269\u9176\u6a21\u62df\u548c\u5364\u8fc7\u6c27\u5316\u7269\u9176\u6a21\u62df\u53cd\u5e94\u4e2d\u7684\u6d3b\u6027\u548c\u4e13\u4e00\u6027(<em>A<\/em><em>CS<\/em><em>\u00a0Nano <\/em><strong>2023<\/strong>, <em>17<\/em>\u00a0(17), 17383-17393)\u3002\u7136\u800c\uff0c\u5bf9\u4e8eO<sub>2<\/sub>\u6d3b\u5316\u7684\u8c03\u63a7\u7684\u62a5\u9053\u4ecd\u7136\u5341\u5206\u6709\u9650\u3002\u672c\u5de5\u4f5c\u65e8\u5728\u8c03\u63a7O<sub>2<\/sub>\u6d3b\u5316\u9014\u5f84\u53ca\u76f8\u5173\u9176\u4fc3\u53cd\u5e94\u7279\u5f02\u6027\u3002\u6211\u4eec\u4f7f\u7528\u4e86\u4e00\u79cd\u7b80\u6613\u7684\u9ad8\u6e29\u70ed\u5206\u89e3\u6cd5\u5236\u5907\u4e86\u5d4c\u5165\u5728\u591a\u5b54\u78b3\u4e2d\u7684Fe\u57fa\u7eb3\u7c73\u9176\uff0c\u8be5\u65b9\u6cd5\u53ef\u4ee5\u8fbe\u5230\u514b\u7ea7\u751f\u4ea7\u89c4\u6a21\uff0c\u5e76\u901a\u8fc7\u63a7\u5236\u7145\u70e7\u6e29\u5ea6\u6765\u8c03\u8282\u7eb3\u7c73\u9176\u4e2dFe\u7269\u79cd\u7684\u7ec4\u6210(Fe<sub>3<\/sub>O<sub>4<\/sub>\u6216Fe<sub>3<\/sub>C)\u3002\u6709\u8da3\u7684\u662f\uff0c\u542bFe<sub>3<\/sub>O<sub>4<\/sub>\u7684\u6837\u54c1\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u6f06\u9176(laccase)\u6a21\u62df\u6d3b\u6027\uff0c\u800c\u542bFe<sub>3<\/sub>C\u7684\u6837\u54c1\u5219\u8868\u73b0\u51fa\u66f4\u597d\u7684\u6c27\u5316\u9176(oxidase)\u6a21\u62df\u6d3b\u6027\u3002\u8fdb\u4e00\u6b65\u7684\u7814\u7a76\u8868\u660e\uff0c\u8868\u9762Fe\u7269\u79cd\u7684\u5dee\u5f02\u5bfc\u81f4\u4e86\u4e0d\u540c\u7684O<sub>2<\/sub>\u6d3b\u5316\u9014\u5f84\uff0c\u4ece\u800c\u8ba9\u5bf9\u5e94\u7684\u7eb3\u7c73\u9176\u5c55\u73b0\u4e86\u76f8\u53cd\u7684\u6d3b\u6027\u8d8b\u52bf\u3002\u8fd9\u9879\u5de5\u4f5c\u6709\u671b\u4e3a\u63d0\u5347\u4e0eO<sub>2<\/sub>\u6d3b\u5316\u76f8\u5173\u7eb3\u7c73\u9176\u7684\u6d3b\u6027\u548c\u7279\u5f02\u6027\u63d0\u4f9b\u53c2\u8003\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-263984\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/12\/\u56fe\u7247-1-1.png\" alt=\"\" width=\"312\" height=\"284\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/12\/\u56fe\u7247-1-1.png 312w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/12\/\u56fe\u7247-1-1-300x273.png 300w\" sizes=\"(max-width: 312px) 100vw, 312px\" \/><\/p>\n<p><strong><b>\u80cc\u666f\u4ecb\u7ecd\uff1a<\/b><\/strong><\/p>\n<p>\u5c3d\u7ba1\u7eb3\u7c73\u9176\u7684\u591a\u79cd\u9176\u4fc3\u53cd\u5e94\u6d3b\u6027\u4f7f\u5176\u80fd\u591f\u53c2\u4e0e\u81ea\u7ea7\u8054\u53cd\u5e94\uff0c\u4f46\u7f3a\u4e4f\u201c\u5e95\u7269\u201d\u6216\u201c\u53cd\u5e94\u201d\u7279\u5f02\u6027\u53ef\u80fd\u4f1a\u963b\u788d\u5176\u5728\u9009\u62e9\u6027\u751f\u7269\u6d4b\u5b9a\u4e2d\u7684\u5e94\u7528\u3002\u7eb3\u7c73\u9176\u7684\u201c\u5e95\u7269\u201d\u7279\u5f02\u6027\u662f\u6307\u5176\u5728\u5404\u79cd\u5e95\u7269\u4e2d\u9009\u62e9\u6027\u6fc0\u6d3b\u7279\u5b9a\u5e95\u7269\u7684\u80fd\u529b\u3002O<sub>2<\/sub>\u548cH<sub>2<\/sub>O<sub>2<\/sub>\u5206\u522b\u662f\u6c27\u5316\u9176\u548c\u8fc7\u6c27\u5316\u7269\u9176\u7684\u5e95\u7269<strong><b>(\u793a\u610f\u56fe 1a)<\/b><\/strong>\uff0c\u5bf9O<sub>2<\/sub>\u548cH<sub>2<\/sub>O<sub>2<\/sub>\u201c\u5e95\u7269\u201d\u7279\u5f02\u6027\u7684\u63a7\u5236\u4f9d\u8d56\u4e8eO<sub>2<\/sub>\u548cH<sub>2<\/sub>O<sub>2<\/sub>\u4e4b\u95f4\u6c27\u5316\u8fd8\u539f\u7535\u4f4d\u7684\u5dee\u5f02<strong><b>(\u793a\u610f\u56fe 1b)<\/b><\/strong>\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-263985\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/12\/\u56fe\u7247-2-1.png\" alt=\"\" width=\"709\" height=\"732\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/12\/\u56fe\u7247-2-1.png 709w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/12\/\u56fe\u7247-2-1-291x300.png 291w\" sizes=\"(max-width: 709px) 100vw, 709px\" \/><\/p>\n<p><strong><b>\u793a\u610f\u56fe<\/b><\/strong><strong><b>\u00a01<\/b><\/strong><strong><b>. <\/b><\/strong>(a)<strong><b>\u00a0<\/b><\/strong>\u7531 (i) \u8fc7\u6c27\u5316\u7269\u9176\u548c (ii) \u6c27\u5316\u9176\u50ac\u5316\u7684 TMB \u6c27\u5316\u548c (b) \u5728O<sub>2<\/sub>\u8fde\u7eed\u8fd8\u539f\u8fc7\u7a0b\u4e2d\u4ea7\u751f\u7684\u6d3b\u6027\u6c27 (ROS)\u7684\u793a\u610f\u56fe\u3002(c) (i) \u901a\u8fc7\u8fc7\u6c27\u5316\u9014\u5f84\u6d3b\u5316H<sub>2<\/sub>O<sub>2<\/sub>\u548c (ii) \u901a\u8fc7\u8d85\u6c27\u5316\u9014\u5f84\u6d3b\u5316O<sub>2<\/sub>\u7684\u673a\u7406\u793a\u610f\u56fe\u3002(d) \u6bd4\u8f83\u6587\u732e\u548c\u672c\u7814\u7a76\u4e2d\u6c27\u5316\u9176\/\u6f06\u9176\u6a21\u62df\u7269\u7684\u5408\u6210\u3002<\/p>\n<p>\u9664\u4e86\u201c\u5e95\u7269\u201d\u7279\u5f02\u6027\u4e4b\u5916\uff0c\u63a7\u5236\u5355\u4e00\u5e95\u7269\u7684\u6d3b\u5316(\u4ece\u800c\u63a7\u5236\u5b83\u4eec\u7684\u201c\u53cd\u5e94\u201d\u7279\u5f02\u6027)\u662f\u66f4\u5177\u6311\u6218\u7684\u4efb\u52a1\u3002\u8bfe\u9898\u7ec4\u6700\u8fd1\u7684\u5de5\u4f5c\u8bc1\u660e\uff0c\u901a\u8fc7\u63a7\u5236CeO<sub>2<\/sub>\u7eb3\u7c73\u9897\u7c92\u66dd\u9732\u7684\u8868\u9762\u53ef\u4ee5\u7cbe\u786e\u8c03\u8282H<sub>2<\/sub>O<sub>2<\/sub>\u7684\u6d3b\u5316\u9014\u5f84\uff0c\u9014\u5f84\u5206\u522b\u4e3a\u81ea\u7531\u57fa\u9014\u5f84\u4ee5\u53ca\u975e\u81ea\u7531\u57fa\u9014\u5f84<strong><b>(\u793a\u610f\u56fe 1c(i))<\/b><\/strong>\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86CeO<sub>2<\/sub>\u5728\u8fc7\u6c27\u5316\u7269\u9176\u6a21\u62df\u548c\u5364\u8fc7\u6c27\u5316\u7269\u9176\u6a21\u62df\u53cd\u5e94\u4e2d\u7684\u7279\u5f02\u6027\u3002\u4e0eH<sub>2<\/sub>O<sub>2<\/sub>\u7c7b\u4f3c\uff0cO<sub>2<\/sub>\u7684\u6d3b\u5316\u9014\u5f84\u4e5f\u5305\u542b\u81ea\u7531\u57fa\u9014\u5f84<strong><b>(\u793a\u610f\u56fe 1b)<\/b><\/strong>\u548c\u975e\u81ea\u7531\u57fa\u9014\u5f84<strong><b>(\u793a\u610f\u56fe 1c(ii))<\/b><\/strong>\uff0c\u7136\u800c\u76ee\u524d\u5173\u4e8e\u8c03\u63a7O<sub>2<\/sub>\u6d3b\u5316\u9014\u5f84\u7684\u7814\u7a76\u975e\u5e38\u6709\u9650\u3002\u4e0eO<sub>2<\/sub>\u6d3b\u5316\u76f8\u5173\u7684\u9176\u4fc3\u53cd\u5e94\u65b9\u9762\uff0c\u867d\u7136\u6c27\u5316\u9176\u548c\u6f06\u9176\u6a21\u62df\u6d3b\u6027\u88ab\u5927\u91cf\u7814\u7a76\uff0c\u4f46\u5176\u4e2d\u5173\u4e8eO<sub>2<\/sub>\u6d3b\u5316\u9014\u5f84\u7684\u7efc\u5408\u7406\u89e3\u4e0d\u751a\u660e\u786e\u3002\u6b64\u5916\uff0c\u7528\u4e8e\u6a21\u62df\u8fd9\u4e24\u79cd\u9176\u4fc3\u53cd\u5e94\u6d3b\u6027\u7684\u7eb3\u7c73\u9176\u7684\u5236\u5907\u901a\u5e38\u6d89\u53ca\u591a\u4e2a\u6b65\u9aa4\u548c\u7eaf\u5316\u8fc7\u7a0b\uff0c\u8fd9\u5bf9\u4e8e\u5b9e\u9645\u5e94\u7528\u6765\u8bf4\u5e76\u4e0d\u7406\u60f3<strong><b>(\u793a\u610f\u56fe 1d)<\/b><\/strong>\u3002<\/p>\n<p>\u672c\u6587\u4ecb\u7ecd\u4e86\u4e00\u79cd\u7b80\u4fbf\u4e14\u53ef\u6279\u91cf\u751f\u4ea7\u7684\u65b9\u6cd5\u6765\u5236\u5907\u5177\u6709\u53ef\u8c03\u63a7\u7684\u6c27\u5316\u9176\u548c\u6f06\u9176\u6a21\u62df\u6d3b\u6027\u7684Fe\u57fa\u7eb3\u7c73\u9176\u3002\u8be5\u5236\u5907\u53ef\u4ee5\u4e00\u6b65\u5b8c\u6210\uff0c\u6240\u5f97\u6837\u54c1\u65e0\u9700\u7eaf\u5316\u5373\u53ef\u76f4\u63a5\u4f7f\u7528\u3002\u5728\u4f4e\u4e8e600\u00b0C\u7684\u6e29\u5ea6\u4e0b\u83b7\u5f97\u7684\u542bFe<sub>3<\/sub>O<sub>4<\/sub>\u7684\u6837\u54c1\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u6f06\u9176\u6a21\u62df\u6d3b\u6027\uff0c\u800c\u5728\u9ad8\u4e8e600\u00b0C\u7684\u6e29\u5ea6\u4e0b\u5236\u5907\u6240\u5f97\u6837\u54c1\u4e2d\u7684Fe<sub>3<\/sub>C\u5219\u7531Fe<sub>3<\/sub>O<sub>4<\/sub>\u8f6c\u5316\u800c\u6765\uff0c\u5e76\u8868\u73b0\u51fa\u66f4\u597d\u7684\u6c27\u5316\u9176\u6a21\u62df\u6d3b\u6027\u3002\u7814\u7a76\u53d1\u73b0\uff0cO<sub>2<\/sub>\u4e0d\u540c\u7684\u6d3b\u5316\u9014\u5f84\u4e0e\u5176\u8868\u9762Fe\u7269\u79cd\u7684\u5206\u5e03\u5bc6\u5207\u76f8\u5173\u3002Fe<sub>3<\/sub>C\u4e2d\u78b3\u539f\u5b50\u914d\u4f4d\u7684\u91d1\u5c5eFe\u53ef\u4ee5\u901a\u8fc7\u81ea\u7531\u57fa\u9014\u5f84\u5c06\u5438\u9644\u7684O<sub>2<\/sub>\u8fd8\u539f\u4e3a\u6d3b\u6027\u6c27\u7269\u79cdROS\uff0c\u4ece\u800c\u4fc3\u8fdb\u6c27\u5316\u9176\u6a21\u62df\u6d3b\u6027\u3002\u800cFe<sub>3<\/sub>O<sub>4<\/sub>\u8868\u9762\u6676\u754c\u4e0a\u9ad8\u6d3b\u6027\u7684Fe<sup>2+<\/sup>(Fe<sub>sgb<\/sub><sup>2+<\/sup>)\u5219\u503e\u5411\u4e8e\u901a\u8fc7\u975e\u81ea\u7531\u57fa\u9014\u5f84\u5c06\u5438\u9644\u7684O<sub>2<\/sub>\u8f6c\u5316\u4e3a Fe<sub>sgb<\/sub><sup>3+<\/sup>-\u8d85\u6c27\u590d\u5408\u7269\uff0c\u4ece\u800c\u4fc3\u8fdb\u6f06\u9176\u6a21\u62df\u6d3b\u6027\u3002<\/p>\n<p><strong><b>\u6587\u7ae0\u8981\u70b9\uff1a<\/b><\/strong><\/p>\n<p>\u5728\u8fd9\u9879\u7814\u7a76\u4e2d\uff0cFe\u57fa\u7eb3\u7c73\u9176\u901a\u8fc7\u5728\u6c2e\u6c14\u4e0b\u9ad8\u6e29\u5206\u89e3Fe(NO<sub>3<\/sub>)<sub>3<\/sub>\u548c\u805a\u4e59\u70ef\u5421\u54af\u70f7\u916e(PVP)\u7684\u6df7\u5408\u7269\u5236\u5907\u3002\u4ec5\u9700\u7b80\u5355\u5730\u8c03\u8282\u7145\u70e7\u6e29\u5ea6\uff0c\u5373\u53ef\u63a7\u5236\u9576\u5d4c\u4e8e\u8702\u7a9d\u72b6\u78b3\u57fa\u6846\u67b6\uff08\u7b80\u79f0\u4e3aCN\uff09\u7684Fe\u57fa\u7eb3\u7c73\u9176\u7684\u7c7b\u578b(Fe<sub>3<\/sub>O<sub>4<\/sub>\u6216Fe<sub>3<\/sub>C)\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-263986\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/12\/\u56fe\u7247-3-1.png\" alt=\"\" width=\"756\" height=\"643\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/12\/\u56fe\u7247-3-1.png 756w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/12\/\u56fe\u7247-3-1-300x255.png 300w\" sizes=\"(max-width: 756px) 100vw, 756px\" \/><\/p>\n<p>\u56fe1.\u00a0(a)\u5d4c\u5165\u8702\u7a9d\u72b6\u78b3\u57fa\u6846\u67b6\u4e2d\u7684Fe\u57fa\u7eb3\u7c73\u9176\u5408\u6210\u793a\u610f\u56fe\u3002(b)\u6837\u54c1\u7684XRD\u8c31\u56fe\u3002(c)Fe<sub>3<\/sub>O<sub>4<\/sub>\/CN-300\u3001Fe<sub>3<\/sub>O<sub>4<\/sub>\/CN-400\u3001Fe<sub>3<\/sub>O<sub>4<\/sub>\/CN-500\u3001Fe<sub>3<\/sub>C\/CN-600\u3001Fe<sub>3<\/sub>C\/CN-700 \u548c Fe<sub>3<\/sub>C\/CN-800\u7684 SEM\u548cTEM\u56fe\u50cf\u3002(d)\u5728\u6c2e\u6c14\u4e0b Fe(NO<sub>3<\/sub>)<sub>3<\/sub>-PVP\u00a0\u6df7\u5408\u7269\u5728\u9ad8\u6e29\u4e0b\u7684\u5206\u89e3\u3002(e) Fe\u57fa\u7eb3\u7c73\u9176\u4e2dFe<sub>3<\/sub>O<sub>4<\/sub>\/Fe<sub>3<\/sub>C\u7eb3\u7c73\u9897\u7c92\u7684\u7c92\u5ea6\u5206\u5e03\u3002<\/p>\n<p>\u6837\u54c1\u6c27\u5316\u9176\u6a21\u62df\u6d3b\u6027\u7684\u8bc4\u4f30\u901a\u8fc7\u8ffd\u8e2a3,3&#8217;5,5&#8242;-\u56db\u7532\u57fa\u8054\u82ef\u80fa(TMB)\u7684\u6c27\u5316\u6765\u5b9e\u73b0\u3002\u6f06\u9176\u6a21\u62df\u6d3b\u6027\u5219\u901a\u8fc72,4-\u4e8c\u6c2f\u82ef\u915a(2,4-DP)\u88ab\u6c27\u5316\u540e\u548c4-\u6c28\u57fa\u5b89\u66ff\u6bd4\u6797(4-AP)\u751f\u6210\u7684\u4ea7\u7269\u8fdb\u884c\u8bc4\u4f30\u3002\u5bf9\u4e8e\u6c27\u5316\u9176\u6a21\u62df\u53cd\u5e94\u6d3b\u6027,\u542bFe<sub>3<\/sub>C\u7684\u6837\u54c1\u6bd4\u542bFe<sub>3<\/sub>O<sub>4<\/sub>\u7684\u6837\u54c1\u8868\u73b0\u66f4\u4f73\uff0c\u5176\u4e2dFe<sub>3<\/sub>C\/CN-700\u5177\u6709\u6700\u9ad8\u7684\u6c27\u5316\u9176\u6a21\u62df\u6d3b\u6027\u3002\u5bf9\u4e8e\u6f06\u9176\u6a21\u62df\u53cd\u5e94\u6d3b\u6027, \u6d3b\u6027\u8d8b\u52bf\u5219\u76f8\u53cd\uff0c\u542bFe<sub>3<\/sub>O<sub>4<\/sub>\u7684\u6837\u54c1\u6d3b\u6027\u8d85\u8fc7\u4e86\u542bFe<sub>3<\/sub>C\u7684\u6837\u54c1\uff0c\u5176\u4e2dFe<sub>3<\/sub>O<sub>4<\/sub>\/CN-400\u5177\u6709\u6700\u4f18\u7684\u6f06\u9176\u6a21\u62df\u6d3b\u6027\u3002\u901a\u8fc7\u5f15\u5165Fe(NO<sub>3<\/sub>)<sub>3<\/sub>-PVP\u6df7\u5408\u7269\u3001PVP-700\u548cPVP-400(\u5206\u522b\u5bf9\u5e94\u5728700\u5ea6\u548c400\u5ea6\u7145\u70e7\u7684\u7eafPVP\u6837\u54c1)\u7684\u6d3b\u6027\u6d4b\u8bd5\uff0c\u6392\u9664\u4e86\u57fa\u5e95\u4e2d\u6f5c\u5728\u7684\u672a\u5206\u89e3\u7684Fe(NO<sub>3<\/sub>)<sub>3<\/sub>\u548c\u7145\u70e7\u540e\u78b3\u57fa\u5e95\u5bf9\u4e8e\u53cd\u5e94\u6d3b\u6027\u7684\u8d21\u732e\u3002\u56e0\u6b64\uff0c\u89c2\u6d4b\u5230\u7684\u6c27\u5316\u9176\u6a21\u62df\u6d3b\u6027\u6216\u6f06\u9176\u6a21\u62df\u6d3b\u6027\uff0c\u4e3b\u8981\u6765\u6e90\u4e8e\u9576\u5d4c\u4e8e\u78b3\u57fa\u5e95\u7684Fe<sub>3<\/sub>O<sub>4<\/sub>\u6216Fe<sub>3<\/sub>C\u7eb3\u7c73\u9897\u7c92\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-263987\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/12\/\u56fe\u7247-4-1.png\" alt=\"\" width=\"700\" height=\"323\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/12\/\u56fe\u7247-4-1.png 700w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/12\/\u56fe\u7247-4-1-300x138.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/p>\n<p>\u56fe2.\u00a0(a)\u5728TMB\u5b58\u5728\u4e0b\u6c27\u5316\u9176\u7eb3\u7c73\u9176\u53cd\u5e94\u7684\u793a\u610f\u56fe\uff0c(b)\u53cd\u5e9410\u5206\u949f\u540e\u8bb0\u5f55\u7684Fe\u57fa\u7eb3\u7c73\u9176\u7684\u7d2b\u5916\u53ef\u89c1\u5149\u8c31, (c)\u00a0\u5728652 nm\u5904\u968f\u65f6\u95f4\u53d8\u5316\u7684\u7d2b\u5916\u53ef\u89c1\u5438\u5149\u5ea6, \u548c(d)\u76f8\u5e94\u7684\u901f\u7387\u5e38\u6570(min<sup>-1<\/sup>)\u3002\u00a0(e)\u57282,4-DP\u548c4-AP\u5b58\u5728\u4e0b\u6f06\u9176\u7eb3\u7c73\u9176\u53cd\u5e94\u7684\u793a\u610f\u56fe\u3002(f)\u53cd\u5e9460\u5206\u949f\u540e\u8bb0\u5f55\u7684 Fe\u57fa\u7eb3\u7c73\u9176\u7684\u7d2b\u5916\u53ef\u89c1\u5149\u8c31, (g)\u00a0\u5728652 nm\u5904\u968f\u65f6\u95f4\u53d8\u5316\u7684\u7d2b\u5916\u53ef\u89c1\u5438\u5149\u5ea6, \u548c(h)\u76f8\u5e94\u7684\u901f\u7387\u5e38\u6570(min<sup>-1<\/sup>)\u3002<\/p>\n<p>\u5982\u4e0a\u6240\u8ff0\uff0cFe\u57fa\u7eb3\u7c73\u9176\u5728\u6c27\u5316\u9176\u6a21\u62df\/\u6f06\u9176\u6a21\u62df\u6d3b\u6027\u4e2d\u8868\u73b0\u7684\u7279\u5f02\u6027\u4e0e\u5176Fe<sub>3<\/sub>C\u548cFe<sub>3<\/sub>O<sub>4<\/sub>\u8868\u9762\u7684Fe\u7269\u79cd\u5bc6\u5207\u76f8\u5173\u3002\u56e0\u6b64\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u5bf9\u53d1\u6325\u5173\u952e\u4f5c\u7528\u7684Fe\u7269\u79cd\u8fdb\u884c\u4e86\u8fdb\u4e00\u6b65\u7814\u7a76\u3002Fe K\u8fb9X\u5c04\u7ebf\u5438\u6536\u8fd1\u8fb9\u7ed3\u6784(XANES)\u8868\u660e\uff0cFe\u7269\u79cd\u7684\u5e73\u5747\u7535\u5b50\u5bc6\u5ea6\u8d8b\u52bf\u4e3a\uff1aFe<sub>3<\/sub>C\/CN-700 &gt; Fe<sub>3<\/sub>C\/CN-600 &gt; Fe<sub>3<\/sub>O<sub>4<\/sub>\/CN-500 \u2248 Fe<sub>3<\/sub>O<sub>4<\/sub>\/CN-400\uff0c\u8fd9\u4e00\u8d8b\u52bf\u4e0e\u5176\u6c27\u5316\u9176\u6a21\u62df\u6d3b\u6027\u4e00\u81f4\uff0c\u8def\u6613\u65af\u9178\u6027\u987a\u5e8fFe<sub>3<\/sub>O<sub>4<\/sub>\/CN-400 \u2248 Fe<sub>3<\/sub>O<sub>4<\/sub>\/CN-500 &gt; Fe<sub>3<\/sub>C\/CN-600 &gt; Fe<sub>3<\/sub>C\/CN-700\u4e5f\u548c\u89c2\u6d4b\u5230\u7684\u6f06\u9176\u6a21\u62df\u6d3b\u6027\u8d8b\u52bf\u76f8\u7b26\u5408\u3002\u6269\u5c55 X \u5c04\u7ebf\u5438\u6536\u7cbe\u7ec6\u7ed3\u6784(EXAFS)\u548c\u76f8\u5e94\u7684\u5c0f\u6ce2\u5206\u6790\u8fdb\u4e00\u6b65\u63ed\u793a\u4e86\u6837\u54c1\u4e2d\u7531Fe<sub>3<\/sub>O<sub>4<\/sub>\u5411Fe<sub>3<\/sub>C\u7684\u8f6c\u5316\u3002X\u5c04\u7ebf\u5149\u7535\u5b50\u80fd\u8c31(XPS)\u5206\u6790\u8868\u660e\uff0c\u542bFe<sub>3<\/sub>C\u6837\u54c1\u7684\u91d1\u5c5eFe\u4fc3\u8fdb\u4e86\u6c27\u5316\u9176\u6a21\u62df\u6d3b\u6027\uff0c\u800c\u542bFe<sub>3<\/sub>O<sub>4<\/sub>\u6837\u54c1\u4e2dFe<sub>sgb<\/sub><sup>2+<\/sup>\u7269\u79cd\u662f\u6f06\u9176\u6a21\u62df\u6d3b\u6027\u7684\u5173\u952e\u56e0\u7d20\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-263988\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/12\/\u56fe\u7247-5-1.png\" alt=\"\" width=\"700\" height=\"413\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/12\/\u56fe\u7247-5-1.png 700w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/12\/\u56fe\u7247-5-1-300x177.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/p>\n<p>\u56fe3.\u00a0(a) Fe K\u8fb9XANES\u5149\u8c31\uff0c(b)\u00a0\u5085\u91cc\u53f6\u53d8\u6362\u7684 EXAFS\u00a0\u7ed3\u679c\u548c (c)\u00a0\u76f8\u5e94\u7684\u5c0f\u6ce2\u5206\u6790\uff0c(d)\u00a0XPS Fe2p\u5149\u8c31\uff0c(e)\u00a0\u5faa\u73af\u4f0f\u5b89\u56fe\u7ed3\u679c\u548c\u00a0(f)\u00a0Fe\u00a0\u57fa\u7eb3\u7c73\u9176\u4e2d\u91d1\u5c5eFe\u3001Fe<sup>2+<\/sup>\u548cFe<sup>3+<\/sup>\u7684\u6bd4\u4f8b\u3002<\/p>\n<p>\u901a\u8fc7\u7535\u5b50\u987a\u78c1\u5171\u632f\uff08EPR\uff09\u3001\u9176\u6291\u5236\u5b9e\u9a8c\u7b49\u7814\u7a76\u8868\u660e\uff0c\u5bf9\u4e8e\u6c27\u5316\u9176\u6a21\u62df\u6d3b\u6027\uff0c \u542bFe<sub>3<\/sub>C\u6837\u54c1\u4e2d\u66f4\u9ad8\u7535\u5b50\u5bc6\u5ea6\u7684\u91d1\u5c5eFe\u4fc3\u8fdb\u4e86O<sub>2<\/sub>\u8fd8\u539f\u751f\u6210HO<sub>2<\/sub>\u81ea\u7531\u57fa\u548cOH\u81ea\u7531\u57fa\u7684\u8fc7\u7a0b\uff0c\u5176\u4e2dOH\u81ea\u7531\u57fa\u662fTMB\u6c27\u5316\u7684\u4e3b\u8981\u9a71\u52a8\u529b\uff0cHO<sub>2<\/sub>\u81ea\u7531\u57fa\u4fc3\u8fdb\u4e86\u6d3b\u6027\u4f4d\u70b9\u7684\u518d\u751f\u3002\u800c\u5bf9\u4e8e\u6f06\u9176\u6a21\u62df\u6d3b\u6027\uff0c\u5219\u4e3b\u8981\u7531\u542bFe<sub>3<\/sub>O<sub>4<\/sub>\u6837\u54c1\u8868\u9762\u7684Fe<sub>sgb<\/sub><sup>3+<\/sup>-\u8d85\u6c27\u590d\u5408\u7269\u4ecb\u5bfc\uff0c\u5b9e\u73b0\u5bf92,4-DP\u7684\u9009\u62e9\u6027\u6c27\u5316\uff0c\u800c\u975e\u901a\u8fc7\u81ea\u7531\u57fa\u8def\u5f84\u5b8c\u6210\u50ac\u5316\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-263989\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/12\/\u56fe\u7247-6.png\" alt=\"\" width=\"700\" height=\"387\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/12\/\u56fe\u7247-6.png 700w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2024\/12\/\u56fe\u7247-6-300x166.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/p>\n<p>\u56fe4.\u00a0(a) \u6c27\u5316\u9176\u6a21\u62df\u673a\u5236\u7684\u793a\u610f\u56fe\uff0c(b) EPR\u76d1\u6d4b\u5728\u918b\u9178\u7f13\u51b2\u6db2(pH=4.0)\u4e2dFe\u57fa\u7eb3\u7c73\u9176\u6fc0\u6d3bO<sub>2<\/sub>\u751f\u6210\u7684OH\u81ea\u7531\u57fa\uff0c(c) \u6dfb\u52a0\u8d85\u6c27\u5316\u7269\u6b67\u5316\u9176(SOD)\u6216\u8fc7\u6c27\u5316\u6c22\u9176(CAT)\u81f3\u53cd\u5e94\u6eb6\u6db2\u540e\uff0c\u76f8\u5bf9\u4e8e\u5bf9\u7167\u7ec4(\u6d3b\u6027\u8bbe\u5b9a\u4e3a100%)\u7684\u6c27\u5316\u9176\u6a21\u62df\u6d3b\u6027\u53d8\u5316\uff0c(d) \u6f06\u9176\u6a21\u62df\u673a\u5236\u7684\u793a\u610f\u56fe\uff0c(e) EPR\u76d1\u6d4b\u5728\u4e2d\u6027\u6761\u4ef6\u4e0bOH\u81ea\u7531\u57fa\u7684\u4ea7\u751f\u60c5\u51b5\uff0c(f) 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Fe<sub>3<\/sub>O<sub>4<\/sub>\u9897\u7c92\u76f8\u6bd4\uff0c\u5b83\u80fd\u63d0\u4f9b\u7684\u5bf9\u6f06\u9176\u6a21\u62df\u6d3b\u6027\u8d77\u4e3b\u8981\u8d21\u732e\u7684Fe<sub>sgb<\/sub><sup>2+<\/sup>\u7269\u79cd\u8f83\u5c11\u3002\u6700\u540e\uff0cFe<sub>3<\/sub>O<sub>4<\/sub>\/CN-400\u548cFe<sub>3<\/sub>C\/CN-700\u7684\u6c27\u5316\u9176\u548c\u6f06\u9176\u6a21\u62df\u6d3b\u6027\u88ab\u7528\u4e8e\u68c0\u6d4bGSH\u548c\u591a\u5df4\u80fa\uff0c\u4ee5\u5f3a\u8c03\u63a7\u5236O<sub>2<\/sub>\u6d3b\u5316\u9014\u5f84\u5728\u76f8\u5173\u5e94\u7528\u4e2d\u7684\u91cd\u8981\u6027\u3002\u672c\u7814\u7a76\u63d0\u51fa\u7684\u80fd\u591f\u8c03\u8282O<sub>2<\/sub>\u6d3b\u5316\u9014\u5f84\u3001\u5e76\u5177\u6709\u9ad8\u53cd\u5e94\u7279\u5f02\u6027\u7684Fe\u57fa\u7eb3\u7c73\u9176\uff0c\u9884\u8ba1\u80fd\u591f\u4e3a\u76f8\u5173\u7eb3\u7c73\u9176\u7684\u8bbe\u8ba1\u63d0\u4f9b\u89c1\u89e3\u3002<\/p>\n<p>\u5168\u6587\u94fe\u63a5: https:\/\/doi.org\/10.1002\/smll.202408609<\/p>\n<p>\u4f5c\u8005\u53ca\u56e2\u961f\u4ecb\u7ecd\uff1a<\/p>\n<p>Prof. Will Yung-Kang Peng\u00a0(\u5f6d\u8a60\u5eb7) began his PhD study in 2013 at the Wolfson Catalysis Centre of Inorganic Chemistry at the University of Oxford (UK) under the supervision of Prof. Edman Tsang. He received a Clarendon Scholarship from the university for being in the top 3% of admitted graduates in his cohort. After obtaining his PhD in 2017, he joined the Chemistry Department at City University of Hong Kong in 2018 as an Assistant Professor and is now an Associate Professor. His research focuses on the understanding of surface coordination chemistry to design and synthesize hetero(photo)catalysts and MRI contrast agents. To date, he has published over 90 SCI papers in the relevant field and secured more than 5 million HKD in funding as a principal investigator.<\/p>\n<p>\u8bfe\u9898\u7ec4\u4e3b\u9875\uff1ahttps:\/\/ykpenglab.wixsite.com\/ykpenglab<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd1\u671f\uff0c\u9999\u6e2f\u57ce\u5e02\u5927\u5b66\u5f6d\u548f\u5eb7\u526f\u6559\u6388\u56e2\u961f\u5728Small\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cOne-Pot\u00a0and Gram-Scale Synthesis of Fe-Based Nanoz&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-263982","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/263982"}],"collection":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=263982"}],"version-history":[{"count":2,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/263982\/revisions"}],"predecessor-version":[{"id":263990,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/263982\/revisions\/263990"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=263982"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=263982"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=263982"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}