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style=\"width: 1080px;\" class=\"wp-video\"><!--[if lt IE 9]><script>document.createElement('video');<\/script><![endif]-->\n<video class=\"wp-video-shortcode\" id=\"video-203181-1\" width=\"1080\" height=\"1920\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/playing-DNA-T-puzzle.mp4?_=1\" \/><a href=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/playing-DNA-T-puzzle.mp4\">\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/playing-DNA-T-puzzle.mp4<\/a><\/video><\/div>\n<p>\uff08\u4e03\u5de7\u677f\u73a9\u5177\u7684\u5851\u6599\u89c6\u9891\uff09<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-203198\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/3-6.jpg\" alt=\"\" width=\"807\" height=\"157\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/3-6.jpg 807w, \/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/3-6-300x58.jpg 300w, \/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/3-6-768x149.jpg 768w\" sizes=\"(max-width: 807px) 100vw, 807px\" \/><\/p>\n<p>DNA\u5851\u6599\u62fc\u56fe\u73a9\u5177<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-203199\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/4-7.jpg\" alt=\"\" width=\"692\" height=\"157\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/4-7.jpg 692w, \/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/4-7-300x68.jpg 300w\" sizes=\"(max-width: 692px) 100vw, 692px\" \/><\/p>\n<p>DNA\u5851\u6599\u52fa\u5b50<\/p>\n<p>\u7b2c\u4e09\u4e2a\u74f6\u9888\u662f\uff0c\u771f\u6709\u7528\u5417\uff1f\u6709\u4ec0\u4e48\u7528\uff1f\u8fd9\u5c31\u7275\u6d89\u5230\u8fd9\u4e2a\u7814\u7a76\u6700\u6fc0\u52a8\u4eba\u5fc3\u7684\u5730\u65b9\u3002\u7b80\u5355\u7684\u7b54\u6848\u662f\uff1a\u6709\u4e14\u6709\u65e0\u7a77\u591a\u79cd\u7528\u9014\uff08\u5f53\u7136\u5938\u5f20\u4e86\uff09\u3002 \u5c31\u50cf\u5851\u6599\u6709\u8f6f\u6709\u786c\uff0c\u6709\u8584\u6709\u539a\uff0c\u5929\u7136DNA\u5851\u6599\u4e5f\u53ef\u4ee5\u505a\u6210\u8f6f\u80f6\u3002\u7528\u5904\u4e4b\u4e00\u5c31\u662f\u8f7d\u836f\u3002\u56e0\u4e3a\u6574\u4e2a\u53cd\u5e94\u6761\u4ef6\u5f88\u6e29\u548c\uff0c\u505a\u5851\u6599\u65f6\u5c31\u53ef\u4ee5\u628a\u836f\u653e\u8fdb\u53bb\uff0c\u4e0d\u4f1a\u7834\u574f\u836f\u7269\u5206\u5b50\u3002\u6210\u80f6\u540e\uff0c\u836f\u7269\u5c31\u53ef\u4ee5\u53d7\u63a7\u5236\u5730\uff0c\u7f13\u6162\u91ca\u653e\u51fa\u6765\u3002\u4e00\u4e2a\u6781\u5176\u6709\u7528\u7684\u597d\u5904\u5c31\u662f\u5929\u7136DNA\u8f6f\u80f6\u65e0\u7ec6\u80de\u6bd2\u6027\uff0c\u751f\u7269\u53ef\u517c\u5bb9\uff0c\u800c\u4e14\u53ef\u4ee5\u81ea\u7136\u964d\u89e3\uff0c\u964d\u89e3\u51fa\u6765\u7684\u4ea7\u7269\u53eb\u201c\u6838\u82f7\u9178\u201d\uff0c\u662f\u4e00\u79cd\u5fc5\u9700\u7684\u8425\u517b\u5206\u5b50\uff0c\u4eba\u4f53\u53ef\u4ee5\u76f4\u63a5\u5438\u6536\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-203200\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/5-4.jpg\" alt=\"\" width=\"101\" height=\"166\" \/><\/p>\n<p>\uff08\u5305\u57cbAdriamycin\u7684DNA\u80f6\uff09<\/p>\n<p>\u5929\u7136DNA\u5206\u5b50\u8fd8\u53ef\u4ee5\u4ea4\u8054\u8f6c\u5316\u6210\u50cf\u8f6e\u80ce\u90a3\u6837\u7684\u6a61\u80f6\u7c7b\u5851\u6599\uff0c\u7528\u5200\u5272\u4e5f\u5272\u4e0d\u65ad\u3002\u901a\u8fc7\u6539\u53d8\u4ea4\u8054\u6761\u4ef6\uff0c\u5929\u7136DNA\u5206\u5b50\u8fd8\u53ef\u4ee5\u505a\u6210\u8584\u819c\u3002\u8fd9\u4e2a\u8584\u819c\u7528\u5904\u53ef\u5927\u4e86\uff0c\u5728\u5149\u5b66\uff0c\u7535\u5b50\uff0c\u50ac\u5316\u7b49\u9886\u57df\u90fd\u6709\u53ef\u80fd\u7528\u5230\u3002\u738b\u680b\u7b49\u7814\u7a76\u4eba\u5458\u8fd8\u5c55\u793a\u4e86\u4e0d\u4f1a\u88ab\u6495\u7834\u7684\u5929\u7136DNA\u8584\u819c\u3002\u8fd9\u4e2a\u770b\u8d77\u6765\u6bd4\u4e1d\u7ef8\u8fd8\u8584\u5f88\u591a\uff0c\u4f46\u201c\u8f7b\u63c9\u6162\u637b\u62b9\u590d\u6311\u201d\u4ee5\u540e\uff0c\u8fd8\u662f\u575a\u97e7\u4e0d\u62d4\uff0c\u67d4\u8f6f\u5982\u521d\u3002\u7531\u6b64\uff0c\u80fd\u5426\u8fdb\u4e00\u6b65\u5f00\u53d1\u51fa\u8f7b\u76c8\u7684\u9632\u5f39\u8863\u4e4b\u7c7b\u7684\u6750\u6599\uff1f\u6216\u8005\u505a\u51fa\u5176\u5b83\u4ec0\u4e48\u65b0\u9896\u96be\u5f97\u7684\u6750\u6599\uff1f\u8ba9\u6211\u4eec\u62ed\u76ee\u4ee5\u5f85\u5427\u3002<\/p>\n<div style=\"width: 1080px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-203181-2\" width=\"1080\" height=\"1920\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/blade-cutting.mp4?_=2\" \/><a href=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/blade-cutting.mp4\">\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/blade-cutting.mp4<\/a><\/video><\/div>\n<p>DNA\u51dd\u80f6\u5200\u7247\u5207\u5272\u89c6\u9891<\/p>\n<div style=\"width: 1920px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-203181-3\" width=\"1920\" height=\"1080\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/DNA-membrane.mp4?_=3\" \/><a href=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/DNA-membrane.mp4\">\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/DNA-membrane.mp4<\/a><\/video><\/div>\n<p>DNA\u8584\u819c\u89c6\u9891<\/p>\n<p>\u4f5c\u4e3a\u4e16\u754c\u9996\u6b21\u5b9e\u73b0\u7684\u5929\u7136DNA\u5851\u6599\uff0c\u8fd8\u6709\u5f88\u591a\u795e\u5947\u7684\u7279\u6027\u3002\u738b\u680b\u535a\u58eb\u53d1\u73b0\u4e86\u4e00\u4e2a\u610f\u60f3\u4e0d\u5230\u7684\u6027\u8d28\uff1a\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\u4ea7\u751f\u7684\u4e00\u79cdDNA\u5851\u6599\u80f6\uff0c\u50cf\u7279\u9ecf\u80f6\uff0c\u6709\u6781\u5f3a\u7684\u7c98\u5408\u529b\u3002\u5947\u602a\u7684\u662f\uff0c\u8fd9\u79cd\u80f6\u80f6\uff08\u4e0d\u80fd\u53eb\u80f6\u6c34\u5566\uff0c\u56e0\u4e3a\u4e0d\u662f\u6db2\u4f53\u6c34\uff0c\u800c\u662f\u80f6\uff09\uff0c\u53ef\u4ee5\u9ecf\u4f4f\u4e0d\uff01\u7c98\uff01\u9505\uff01\u800c\u4e14\uff0c\u5373\u4f7f\u5728\u96f6\u4e0b\u4e8c\u5341\u5ea6\u4e0b\u4e5f\u4e0d\u4f1a\u51bb\u4f4f\uff0c\u800c\u4e14\u8fd8\u6709\u5f88\u5f3a\u7684\u7c98\u5408\u529b\u3002\u4e00\u5c0f\u5757\u6bd4\u5c0f\u624b\u6307\u6307\u7532\u8fd8\u5c0f\u7684\u751f\u7269\u8d28DNA\u80f6\u5c31\u53ef\u4ee5\u5728\u96f6\u4e0b\u4e8c\u5341\u5ea6\u4e0b\u9ecf\u4f4f\u7279\u6c1f\u9f99\uff08\u4e00\u79cd\u4e0d\u7c98\u9505\u6750\u6599\uff09\uff0c\u5e76\u540a\u6253\u4e00\u4e2a\u6c89\u91cd\u7684\u624b\u673a\uff01\uff08\u56fe3\uff09<\/p>\n<p>\u9664\u4e86\u505a\u6b63\u5b97\u7684\u5851\u6599\u5916\uff0c\u5929\u7136DNA\u8fd8\u53ef\u4ee5\u7528\u7c7b\u4f3c\u7684\u529e\u6cd5\u8f6c\u5316\u6210\u590d\u5408\u6750\u6599\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u53ef\u4ee5\u5728\u5929\u7136DNA\u91cc\u9762\u52a0\u5404\u79cd\u5176\u5b83\u6750\u6599\u3002\u6240\u4ee5\uff0c\u5929\u7136DNA\u5b9e\u9645\u4e0a\u662f\u4e00\u79cd\u767e\u642d\u6750\u6599\u3002\u6bd4\u5982\uff0c\u91cc\u9762\u52a0\u7eb3\u7c73\u78c1\u9897\u7c92\uff0c\u5c31\u53ef\u4ee5\u8ba9DNA\u8f6f\u5851\u6599\u968f\u7740\u53d8\u52a8\u7684\u78c1\u573a\u8fce\u201c\u78c1\u201d\u8d77\u821e\uff1b\u4ee5\u540e\u8df3\u8d77\u5927\u5988\u5e7f\u573a\u821e\u4e5f\u672a\u5fc5\u4e0d\u53ef\u80fd\u3002\u5929\u7136DNA\u5851\u6599\u672c\u8eab\u662f\u7edd\u7f18\u4f53\uff0c\u53ef\u4ee5\u505a\u6210\u7535\u7ebf\u7684\u6f06\u5305\u7ebf\uff08\u56fe5\uff09\u3002 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loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-203203\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/7-3.jpg\" alt=\"\" width=\"576\" height=\"366\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/7-3.jpg 576w, \/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/7-3-300x191.jpg 300w\" sizes=\"(max-width: 576px) 100vw, 576px\" \/><\/p>\n<p>Figure 1. Mechanism of molecular cross-linking and preparations of biomass DNA materials. (A) Aza-Michael addition-based cross-linking of biomass DNA. (B\u2013I) Biomass DNA hydrogels made from blue-green algae,\u00a0<em>E. coli<\/em>, onion, and salmon testes. (Top) Photographs of DNA hydrogels; (bottom) fluorescence images of DNA hydrogels stained by DNA specific dyes: GelRed or SYBR Green I. (J and K) A photograph and an SYBR Green I-stained fluorescence image, respectively, of a biomass DNA organogel. (L and M) A photograph and a GelRed-stained fluorescence image, respectively, of biomass DNA membrane triggered by ammonia. (N) A photograph of T-puzzle toys made from biomass DNA materials. The colors were from food dyes. (O) A photograph of a meter scale biomass DNA hydrogel on a glass plate. (\u56fe\u7247\u6765\u6e90JACS)<\/p>\n<p>\u5728\u6c34\u4e2d\u4ea4\u8054\u5929\u7136DNA\u53ef\u4ee5\u5f97\u5230\u6c34\u51dd\u80f6\uff0c\u901a\u8fc7\u8c03\u8282\u4ea4\u8054\u65f6\u95f4\u548c\u5929\u7136DNA\u7684\u6d53\u5ea6\u7b49\u53c2\u6570\u53ef\u4ee5\u8c03\u63a7\u6c34\u51dd\u80f6\u7684\u673a\u68b0\u6027\u80fd\uff0c\u751a\u81f3\u53ef\u4ee5\u5236\u5907\u50cf\u6a61\u80f6\u4e00\u6837\u7684\u6c34\u51dd\u80f6\u3002\u901a\u8fc7\u5f15\u5165\u80fd\u8868\u8fbe\u7279\u5b9a\u86cb\u767d\u7684\u7684\u57fa\u56e0\u7247\u6bb5\uff0c\u4ed6\u4eec\u7684\u6c34\u51dd\u80f6\u5c31\u53ef\u4ee5\u9ad8\u6548\u7387\u7684\u751f\u4ea7\u86cb\u767d\u8d28\u3002\u540c\u65f6\uff0c\u4e5f\u80fd\u53ef\u63a7\u5730\u7f13\u91ca\u86cb\u767d\u7b49\u836f\u7269\u5206\u5b50\u3002\u7ec6\u80de\u5b9e\u9a8c\u4e5f\u663e\u793a\u5929\u7136DNA\u6c34\u51dd\u80f6\u5177\u6709\u975e\u5e38\u597d\u7684\u751f\u7269\u76f8\u5bb9\u6027\u3002\u8fd9\u4e9b\u7279\u6027\u4e0d\u4ec5\u4f7f\u5f97\u5929\u7136DNA\u5177\u6709\u548c\u77f3\u5316\u5206\u5b50\u57fa\u6c34\u51dd\u80f6\u7c7b\u4f3c\u7684\u673a\u68b0\u6027\u80fd\uff0c\u66f4\u91cd\u8981\u662f\u5177\u6709\u90a3\u4e9b\u77f3\u5316\u5206\u5b50\u57fa\u4e0d\u53ef\u80fd\u5177\u5907\u7684\u6027\u8d28&#8212;-\u86cb\u767d\u751f\u4ea7\u80fd\u529b\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-203204\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/8-2.jpg\" alt=\"\" width=\"400\" height=\"583\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/8-2.jpg 400w, \/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/8-2-206x300.jpg 206w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/p>\n<p>Figure 2. Mechanical properties and biofunctions of biomass DNA hydrogels. The stress\u2013strain curves (A) and the young\u2019s moduli (B) of biomass DNA hydrogels with different DNA contents. (C) Photographs of a hydrogel (with 8.3% biomass DNA) being cut by a razor blade. (D) A series of video screen shots of a rubber-like biomass DNA hydrogel showed a quick and reversible shape recovery. (E) Preparation and protein expression processes of biomass DNA hydrogel for cell-free protein production. Comparison of fluorescence intensities and images (insets) (F) and comparison of expression efficiencies (G) of GFP expressed between the biomass DNA hydrogel and the control samples. (H and I) Cytotoxicity assessment of biomass DNA hydrogels on two cell lines: Caco-2 and MCF-7, respectively. (J) Cumulative controlled release profiles of insulin in biomass DNA hydrogels. Error bars represent the standard deviation of three measurements. (\u56fe\u7247\u6765\u6e90JACS)<\/p>\n<p>\u7528\u7518\u6cb9\u7f6e\u6362\u8f6c\u5316\u8fc7\u7a0b\u4e2d\u7684\u6c34\uff0c\u7814\u7a76\u4eba\u5458\u9996\u6b21\u5236\u5907\u4e86\u57fa\u4e8eDNA\u7684\u6709\u673a\u51dd\u80f6\u3002\u7531\u4e8e\u7518\u6cb9\u6781\u4f4e\u7684\u84b8\u6c14\u538b\u3001\u751f\u7269\u76f8\u5bb9\u6027\u548c\u53ef\u6297\u51bb\u7279\u6027\uff0c\u5929\u7136DNA\u6709\u673a\u51dd\u80f6\u5177\u6709\u975e\u5e38\u9ad8\u7684\u673a\u68b0\u5f3a\u5ea6\u7684\u540c\u65f6\u4e5f\u4fdd\u6301\u4e86\u975e\u5e38\u60ca\u4eba\u7684\u53ef\u62c9\u4f38\u6027\u3002\u7814\u7a76\u4eba\u5458\u610f\u5916\u5730\u53d1\u73b0\u5929\u7136DNA\u6709\u673a\u51dd\u80f6\u53ef\u4ee5\u5f88\u597d\u5730\u7c98\u9644\u5728\u5404\u79cd\u8868\u9762\u4e0a\u3002\u7279\u522b\u662f\u53ef\u4ee5\u7c98\u9644\u5728\u7528\u4e8e\u4e0d\u7c98\u9505\u6d82\u5c42\u7684\u7279\u5bcc\u9f99\u8868\u9762\u4e0a\u3002\u7531\u4e8e\u7518\u6cb9\u7684\u6297\u51bb\u6027\uff0c\u5929\u7136DNA\u6709\u673a\u51dd\u80f6\u53ef\u4ee5\u4e0d\u4ec5\u5728\u96f6\u4e0b\u4e09\u5341\u5ea6\u4ecd\u7136\u4fdd\u6301\u67d4\u8f6f\u51dd\u80f6\u72b6\u6001\uff0c\u800c\u4e14\u7c98\u9644\u5f3a\u5ea6\u5927\u5927\u589e\u5f3a\u3002\u5229\u7528\u8fd9\u4e2a\u7279\u6027\uff0c\u7814\u7a76\u4eba\u5458\u53ef\u4ee5\u7528\u4ec5\u6709\u5c0f\u62c7\u6307\u5927\u5c0f\u7684\u5929\u7136DNA\u6709\u673a\u51dd\u80f6\u5728\u96f6\u4e0b\u4e8c\u5341\u5ea6\u901a\u8fc7\u7c98\u9644\u63d0\u8d77\u4e00\u90e8\u624b\u673a\u3002\u8fd9\u4e2a\u4f8b\u5b50\u8bc1\u660e\u5929\u7136DNA\u5c55\u793a\u4e86\u975e\u5e38\u51fa\u8272\u7684\u6709\u673a\u51dd\u80f6\u5f62\u6210\u80fd\u529b\uff0c\u5e76\u4e14\u5929\u7136\u5730\u5177\u6709\u7279\u6b8a\u7684\u7c98\u9644\u6027\u80fd\u3002\u4e5f\u5c55\u793a\u4e86\u5176\u5728\u7279\u6b8a\u6c14\u5019\u6761\u4ef6\u4e0b\uff0c\u5728\u67d4\u6027\u7535\u5b50\u5b66\u548c\u673a\u5668\u4eba\u9886\u57df\u7684\u5e94\u7528\u6f5c\u529b\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-203205\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/9-1.jpg\" alt=\"\" width=\"450\" height=\"626\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/9-1.jpg 450w, \/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/9-1-216x300.jpg 216w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/p>\n<p>Figure 3. Preparation and mechanical and adhesive properties of biomass DNA organogels. (A) Preparation scheme of biomass DNA organogels. (B) Variations of morphologies and appearances in the preparation process of biomass DNA organogels. The percentage numbers represented glycerol\/water plus glycerol (wt %). The stress\u2013strain curve (C) and corresponding stretching photographs (D) of an organogel with 31.6% biomass DNA. (E) Adhesive strengths of biomass DNA organogels with different pHs on different substrates (<sup>#<\/sup><em>P<\/em>\u00a0&gt; 0.05, *<em>P<\/em>\u00a0&lt; 0.05, **<em>P<\/em>\u00a0&lt; 0.01). (F) Temperature-dependent adhesive strengths of biomass DNA organogels on a Teflon surface. (G) At \u221220 \u00b0C, a cell phone was completely lifted by a very small biomass DNA organogel (about 0.4 cm<sup>2<\/sup>). Significance according to a one-tailed homoscedastic\u00a0<em>t<\/em>\u00a0test. Error bars represent the standard deviation of 3 measurements. (\u56fe\u7247\u6765\u6e90JACS)<\/p>\n<p>\u7531\u4e8e\u6c34\u6eb6\u6db2\u4e2d\u5929\u7136DNA\u8f6c\u5316\u8fc7\u7a0b\u975e\u5e38\u8fc5\u901f\uff0c\u5982\u4f55\u4f7f\u8fd9\u4e2a\u5feb\u901f\u7684\u4ea4\u8054\u8fc7\u7a0b\u53d8\u5f97\u5747\u5300\u7f13\u6162\u3001\u53ef\u63a7\u662f\u5f00\u53d1\u591a\u79cd\u5f62\u5f0f\u5929\u7136DNA\u6750\u6599\u7684\u5173\u952e\uff0c\u6bd4\u5982\u5236\u5907\u5929\u7136DNA\u8584\u819c\u3002\u4e3a\u6b64\uff0c\u7814\u7a76\u4eba\u5458\u5f15\u5165\u6c14\u4f53\u50ac\u5316\u5242\u6982\u5ff5\uff0c\u9996\u6b21\u5229\u7528\u6c14\u4f53\u628a\u5929\u7136DNA\u8f6c\u5316\u4e3a\u8584\u819c\u6750\u6599\u3002\u901a\u8fc7\u8fd9\u4e2a\u53ef\u63a7\u7684\u8f6c\u5316\u8fc7\u7a0b\u53ef\u4ee5\u5c06\u5404\u79cd\u6750\u6599\u590d\u5408\u5230\u5929\u7136DNA\u8584\u819c\u4e2d\uff0c\u5305\u62ec\u78b3\u7eb3\u7c73\u6750\u6599\u3001\u91d1\u5c5e\u6216\u91d1\u5c5e\u6c27\u5316\u7269\u7eb3\u7c73\u9897\u7c92\u3001\u9ad8\u5206\u5b50\u3001\u9ad8\u5206\u5b50\u5355\u4f53\u3001\u91d1\u5c5e\u79bb\u5b50\u7b49\u3002\u8fd9\u4e2a\u7b56\u7565\u4e5f\u53ef\u5c06\u4e0d\u540c\u7684\u590d\u5408\u6750\u6599\u50cf\u710a\u63a5\u4e00\u6837\u8fde\u63a5\u5728\u4e00\u8d77\u5f62\u6210\u590d\u6742\u590d\u5408\u7ed3\u6784\u6750\u6599\uff0c\u6bd4\u5982\u4e00\u4e2a\u5929\u7136DNA\u201c\u82b1\u6735\u201d\u3002\u5f15\u5165\u5fae\u7535\u5b50\u52a0\u5de5\u9886\u57df\u5149\u523b\u8680\u6982\u5ff5\u540e\uff0c\u5bf9\u5929\u7136DNA\u590d\u5408\u8584\u819c\u8fdb\u884c\u6b63\u523b\u8680\u548c\u8d1f\u523b\u8680\u5f62\u6210\u4e86\u4e0d\u540c\u7684\u56fe\u6848\u5316\u8584\u819c\u3002\u8fd9\u4e2a\u65b9\u6cd5\u5728\u5fae\u7eb3\u7ed3\u6784\u6750\u6599\u9886\u57df\u663e\u793a\u4e86\u5de8\u5927\u6f5c\u529b\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-203206\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/10-1.jpg\" alt=\"\" width=\"409\" height=\"461\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/10-1.jpg 409w, \/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/10-1-266x300.jpg 266w\" sizes=\"(max-width: 409px) 100vw, 409px\" \/><\/p>\n<p>Figure 4. Gas-triggered functional composite membranes made from biomass DNA. (A) A large-scale preparation of biomass DNA hydrogel membrane triggered by ammonia. (B\u2013I) Photographs of biomass DNA composite membranes with SWCNT, GO, Au nanoparticles, iron oxide particles, nanoclays, PEDOT:PSS, PDA, and Tb<sup>3+<\/sup>, respectively. (J) A fluorescence image of DNA-SWCNT composite membrane stained by GelRed. (K) A fluorescence image of DNA-Tb<sup>3+<\/sup>\u00a0composite membrane. (L) A laser confocal microscopic image of DNA-SWCNT composite membrane stained by GelRed. (M and N) Cross-sectional SEM images of DNA-SWCNT and DNA-iron oxide particles composite membrane, respectively. (O and P) A photograph and a fluorescence image (GelRed), respectively, of a pattern consisting of groups of diamond-shaped holes by a negative etching of a DNA-SWCNT membrane. (Q and R) A photograph and a fluorescence image, respectively, of a positive pattern consisting of groups of diamond shapes by spraying Tb<sup>3+<\/sup>\u00a0solution on a masked DNA membrane. (S and T) A photograph and a fluorescence image, respectively, of a four-component biomass DNA flower fused together. (U) The DNA flower closed by applying a magnetic field. (scale bars: 1 cm). (\u56fe\u7247\u6765\u6e90JACS)<\/p>\n<p>\u6700\u540e\u7814\u7a76\u4eba\u5458\u5c06\u5929\u7136DNA\u8f6c\u5316\u4e3a\u65e5\u5e38\u751f\u6d3b\u4e2d\u5e38\u89c1\u7684\u5851\u6599\u5236\u54c1\u6bd4\u5982\u7535\u7ebf\u7684\u7edd\u7f18\u76ae\uff0c\u62fc\u56fe\u73a9\u5177\u548c\u52fa\u5b50\u3002\u8fd9\u8fdb\u4e00\u6b65\u9a8c\u8bc1\u4e86\u5929\u7136DNA\u53ef\u4ee5\u4f5c\u4e3a\u4e00\u79cd\u53ef\u518d\u751f\u53ef\u964d\u89e3\u7684\u5929\u7136\u8d44\u6e90\u7528\u4e8e\u53d6\u4ee3\u77f3\u6cb9\u5316\u5b66\u4ea7\u54c1\u7684\u53ef\u884c\u6027\u548c\u5de8\u5927\u6f5c\u529b\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-203207\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/11-2.jpg\" alt=\"\" width=\"479\" height=\"499\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/11-2.jpg 479w, \/\/m.iemloyee.com\/wp-content\/uploads\/2020\/06\/11-2-288x300.jpg 288w\" sizes=\"(max-width: 479px) 100vw, 479px\" \/><\/p>\n<p>Figure 5. Demonstration of biomass DNA plastic objects. (A) Biomass DNA-coated copper wires. (B and C) Insulating biomass DNA coatings switched a circuit on and off, respectively. (D) Biomass DNA T-puzzle toys. (E) A biomass DNA spoon. All of the colors were from food dyes except that of the spoon (E), which was a natural color. (\u56fe\u7247\u6765\u6e90JACS)<\/p>\n<p>\u603b\u4e4b\uff0c\u4e0a\u8ff0\u7814\u7a76\u7ed3\u679c\u663e\u793a\u5929\u7136DNA\u5177\u6709\u591a\u65b9\u9762\u7684\u6750\u6599\u5f00\u53d1\u80fd\u529b\u548c\u591a\u529f\u80fd\u6027\uff0c\u80fd\u88ab\u5236\u4f5c\u6210\u8bb8\u591a\u7531\u77f3\u5316\u539f\u6599\u5236\u9020\u7684\u4ea7\u54c1\u3002\u67d0\u4e9b\u65b9\u9762\u8fd8\u663e\u793a\u4e86\u77f3\u5316\u4ea7\u54c1\u4e0d\u5177\u5907\u7684\u529f\u80fd\uff0c\u5305\u62ec\u53ef\u964d\u89e3\u6027\u4ee5\u53ca\u751f\u7269\u529f\u80fd\u3002\u8fd9\u4e9b\u53d1\u73b0\u4e3a\u672a\u6765\u6574\u4e2a\u77f3\u5316\u4ea7\u54c1\u8d44\u6e90\u6d88\u8017\u5f15\u8d77\u7684\u8d44\u6e90\u532e\u4e4f\u548c\u73af\u5883\u6c61\u67d3\u7b49\u95ee\u9898\u63d0\u4f9b\u4e86\u4e00\u4e2a\u53ef\u6301\u7eed\u7684\u3001\u7ecf\u6d4e\u7684\u3001\u65b0\u5174\u7684\u548c\u8bf1\u4eba\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6446\u5728\u4eba\u7c7b\u9762\u524d\u7684\u6700\u5927\u6311\u6218\u4e4b\u4e00\u662f\u5982\u4f55\u63a7\u5236\u73af\u5883\u6c61\u67d3\u3002\u73af\u5883\u6c61\u67d3\u7684\u4e00\u4e2a\u6700\u5927\u6e90\u5934\u5c31\u662f\u77f3\u6cb9\u5316\u5de5\u4ea7\u54c1\uff0c\u5c24\u5176\u662f\u5851\u6599\u3002 \u5c31\u62ff\u4eba\u7c7b\u7684\u6447\u7bee\u6d77\u6d0b\u4e3a\u4f8b\uff0c\u6bcf\u5e74\u5927\u7ea6\u6709\u516b\u767e\u4e07\u5428\u5851\u6599\u5783\u573e\u6d41\u5411\u6d77\u6d0b\uff1b&#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-203181","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/203181"}],"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\/2"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=203181"}],"version-history":[{"count":4,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/203181\/revisions"}],"predecessor-version":[{"id":203209,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/203181\/revisions\/203209"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=203181"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=203181"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=203181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}