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分子大小测量实验全流程从油膜法操作到动态光散射数据解读

社会2025-05-27 22:24:37

馃専寮€澶存彁闂細浣犵煡閬撲竴鏍瑰ご鍙戜笣鐨勭洿寰勬湁澶氬ぇ鍚楋紵

鈥斺€旂瓟妗堝ぇ姒傛槸0.02姣背銆備絾瑕佹槸鎹㈡垚娴嬮噺鍒嗗瓙鍛紵姣斿姘村垎瀛愬彧鏈?.3绾崇背锛?绾崇背=鐧句竾鍒嗕箣涓€姣背锛夛紒浠婂ぉ鍜变滑灏辨潵鍞犲敔锛岀瀛﹀鏄€庝箞鐢ㄦ补鑶滄硶杩欑鈥滃湡鍔炴硶鈥濆拰鍔ㄦ€佸厜鏁e皠杩欑鈥滈珮绉戞妧鈥濇潵缁欏垎瀛愰噺灏哄鐨勩€?/p>


馃敩Part 1 | 娌硅啘娉曪細鏈€鈥滄帴鍦版皵鈥濈殑鍒嗗瓙娴嬮噺鏈?/h3>

鈥?strong>鈥嬪師鐞嗘彮绉樷€?/strong>鈥嬶細鎯宠薄涓€涓嬫妸涓€婊存补閰搁厭绮炬憾娑叉淮鍦ㄦ按闈紝娌归吀浼氬儚閾哄湴姣竴鏍峰舰鎴愬崟灞傚垎瀛愯啘銆傚彧瑕佹祴鍑烘补鑶滈潰绉拰娌归吀浣撶Н锛屽氨鑳界畻鍑哄垎瀛愮洿寰勩€?/p>

鈥?strong>鈥嬫搷浣滀笁姝ヨ蛋鈥?/strong>鈥嬶細

  1. 鈥?strong>鈥嬮厤婧舵恫鈥?/strong>鈥嬶細1ml娌归吀+500ml閰掔簿锛屾憞鍖€鍚庢淮涓€婊村埌姘撮潰銆?/li>
  2. 鈥?strong>鈥嬫拻绮夌敾杞粨鈥?/strong>鈥嬶細姘撮潰涓婃拻鐥卞瓙绮夛紙鏂逛究瑙傚療锛夛紝绛夋补鑶滅ǔ瀹氬悗锛岀敤绗斿湪鐜荤拑鏉夸笂鎻忚竟銆?/li>
  3. 鈥?strong>鈥嬫暟鏍煎瓙绠楅潰绉€?/strong>鈥嬶細鎶婄幓鐠冩澘鏀惧潗鏍囩焊涓婏紝鏁版牸瀛愮畻闈㈢Н锛堜笉瓒冲崐鏍肩洿鎺ヨ垗鍘伙紒锛夈€?/li>

鈥?strong>鈥嬩釜浜哄悙妲解€?/strong>鈥嬶細杩欐柟娉曠畝鐩存槸楂樹腑瀹為獙瀹ょ殑缁忓吀锛佷笉杩囪宸兘鍒?0%锛屼负鍟ヨ繕鐢ㄥ畠锛熷洜涓轰究瀹滃晩锛佷竴鍙拌澶囨墠鍑犵櫨鍧楋紝鏂版墜缁冩墜棣栭€夆渽銆?/p>


馃殌Part 2 | 鍔ㄦ€佸厜鏁e皠锛氱撼绫充笘鐣岀殑鈥滅洃鎺ф帰澶粹€?/h3>

鈥?strong>鈥嬫牳蹇冨師鐞嗏€?/strong>鈥嬶細鐢ㄦ縺鍏夌収婧舵恫锛屽垎瀛愬竷鏈楄繍鍔ㄤ細璁╂暎灏勫厜闂儊銆傞€氳繃鍒嗘瀽鍏夊己娉㈠姩锛岀洿鎺ョ畻鍑哄垎瀛愬昂瀵搞€?/p>

鈥?strong>鈥嬪疄楠岄伩鍧戞寚鍗椻€?/strong>鈥嬶細

  • 鈥?strong>鈥嬫牱鍝佽骞插噣鈥?/strong>鈥嬶細涓€绮掔伆灏樺氨鑳借缁撴灉宕╃洏锛佸繀椤荤敤0.22渭m婊よ啘杩囨护銆?/li>
  • 鈥?strong>鈥嬫俯搴︽帶鍒垛€?/strong>鈥嬶細卤0.5鈩冩槸搴曠嚎锛堟瘮濡傛祴铔嬬櫧璐ㄦ椂锛?5鈩冨拰30鈩冪粨鏋滃樊涓€鍊嶏紒锛夈€?/li>
  • 鈥?strong>鈥嬫祿搴﹀埆澶珮鈥?/strong>鈥嬶細瓒呰繃1mg/ml浼氬嚭鐜板閲嶆暎灏勶紝鏁版嵁鐩存帴浣滃簾銆?/li>

鈥?strong>鈥嬫暟鎹В璇籘ip鈥?/strong>鈥嬶細鐪嬪埌鈥滃鍒嗘暎鎸囨暟锛圥DI锛夆€濓紴0.1锛熻鏄庡垎瀛愬ぇ灏忎笉鍧囦竴锛屽緱閲嶆柊鎻愮函鏍峰搧锛?/p>


馃搳Part 3 | 娌硅啘娉?vs 鍔ㄦ€佸厜鏁e皠锛氳皝鎵嶆槸鐜嬭€咃紵

鈥?strong>鈥嬫寚鏍団€?/strong>鈥?/th>鈥?strong>鈥嬫补鑶滄硶鈥?/strong>鈥?/th>鈥?strong>鈥嬪姩鎬佸厜鏁e皠鈥?/strong>鈥?/th>
绮惧害绾崇背绾э紙璇樊20%锛?/td>浜氱撼绫崇骇锛堣宸紲3%锛?/td>
閫傜敤瀵硅薄娌规憾鎬уぇ鍒嗗瓙锛堝鑴傝偑閰革級姘存憾鎬?娌规憾鎬у垎瀛愰€氱敤
璁惧鎴愭湰500鍏冩悶瀹?/td>涓€鍙颁华鍣?0涓囪捣姝ヰ煉?/td>
瀹為獙鑰楁椂30鍒嗛挓鎵嬪姩鎿嶄綔5鍒嗛挓鍏ㄨ嚜鍔?/td>

鈥?strong>鈥嬩釜浜鸿鐐光€?/strong>鈥嬶細瑕佹暀瀛︽紨绀洪€夋补鑶滄硶锛岃绉戠爺鍙戣鏂囧繀椤讳笂鍔ㄦ€佸厜鏁e皠锛?/p>


馃ИPart 4 | 瀹炴祴妗堜緥锛氭祴鏂板啝鐥呮瘨鍒虹獊铔嬬櫧

鐢ㄥ姩鎬佸厜鏁e皠娴嬪嚭鐩村緞绾?0nm锛屽鍒嗘暎鎸囨暟0.05锛堣鏄庢牱鏈秴绾紒锛夈€備絾鎹㈡垚娌硅啘娉曪紵鏍规湰娴嬩笉鍑烘潵鈥斺€斿洜涓鸿泲鐧戒翰姘翠笉閾哄睍鍟婏紒


馃挕鐙骞茶揣锛?0%鐨勪汉涓嶇煡閬撶殑鍐风煡璇?/h3>

涓闄㈠寲瀛︽墍鏈€杩戝彂鐜帮紝鍔ㄦ€佸厜鏁e皠杩樿兘娴嬪嚌鑳堕噷鐨勭墿鐞嗕氦鑱旂偣瀵嗗害锛侀€氳繃鐗瑰緛寮涜鲍鏃堕棿蟿尾锛岀洿鎺ョ畻鍑烘阿閿己搴︼紙姣斿涓濈礌铔嬬櫧鍑濊兌閿兘鈮?0kJ/mol锛夈€傝繖鎶€鏈鏄櫘鍙婁簡锛屾柊鏉愭枡鐮斿彂閫熷害鑳界炕鍊嶐煔€锛?/p>

鍐欏埌杩欓噷绐佺劧鎯冲埌鈥斺€斾笅娆′綘瑕佹槸鐪嬪埌濂惰尪閲岀殑鐝嶇彔棰楃矑鍒嗗竷鍧囧寑锛岃涓嶅畾灏辨槸鍘傚鐢ㄤ簡鍔ㄦ€佸厜鏁e皠璐ㄦ鍛紒姣曠珶杩欏勾澶达紝杩為鍝佸伐涓氶兘鍗峰埌绾崇背绾ф娴嬩簡锝?/p>

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