血清保存條件以及注意事項

<p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><font face="宋體">血清采用正常人血液為原料，經無菌采集、分離、微孔過濾后而成。本產品無支原體、無病毒、無噬毒體、內毒素含量低于</font>1EU/ml<font face="宋體">，適用于細胞、組織器官培養(yǎng)、細胞株保藏、單抗研制，是醫(yī)院、科研院校、動物疫苗、生物制藥廠家重要培養(yǎng)基之一。</font></span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;">血清保存條件以及注意事項：</span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;">1<font face="宋體">、需要長期保存的血清必須儲存于</font><font face="Calibri">-20</font><font face="宋體">℃ </font><font face="Calibri">- 70</font><font face="宋體">℃ 低溫冰箱中。</font><font face="Calibri">4</font><font face="宋體">℃冰箱中保存時間切勿超過</font><font face="Calibri">1</font><font face="宋體">個月。由于血清結冰時體積會增加約</font><font face="Calibri">10%</font><font face="宋體">，因此，血清在凍入低溫冰箱前，必須預留一定體積空間，否則易發(fā)生污染或玻璃瓶凍裂；</font></span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;">2<font face="宋體">、熱滅活是指</font><font face="Calibri">56</font><font face="宋體">℃， </font><font face="Calibri">30</font><font face="宋體">分鐘加熱已完全解凍的血清。加熱過程中須規(guī)則搖晃均勻。此熱處理的目的是使血清中的補體成分（</font><font face="Calibri">complement</font><font face="宋體">）滅活。除非必須，一般不建議作此熱處理，因為熱處理會造成血清沉淀物顯著增多，而且還會影響血清的質量。</font></span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><font face="宋體">補體參與反應有</font>:<font face="宋體">細胞毒作用， 平滑肌細胞收縮， 肥大細胞和血小板釋放組胺， 增強吞噬作用， 促進淋巴細胞和巨噬細胞發(fā)生化學趨化和活化；</font></span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;">3<font face="宋體">、瓶裝血清解凍需采用逐步解凍法</font><font face="Calibri">:-20</font><font face="宋體">℃ 至 </font><font face="Calibri">-70</font><font face="宋體">℃ 低溫冰箱中的血清放入</font><font face="Calibri">4</font><font face="宋體">℃冰箱中溶解</font><font face="Calibri">1</font><font face="宋體">天。然后移入室溫，待全部溶解后再分裝。在溶解過程中需不斷輕輕搖晃均勻（小心勿造成氣泡），使溫度與成分均一，減少沉淀的發(fā)生。切勿直接將血清從</font><font face="Calibri">-20</font><font face="宋體">℃進入</font><font face="Calibri">37</font><font face="宋體">℃解凍，這樣因溫度改變太大，容易造成蛋白質凝集而出現(xiàn)沉淀；</font></span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;">4<font face="宋體">、一般廠商提供的血清為無菌，無需再過濾除菌。如發(fā)現(xiàn)血清有懸浮物，則可將血清加入培養(yǎng)液內一起過濾，切勿直接過濾血清；</font></span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;">5<font face="宋體">、血清中的沉淀物 絮狀物</font><font face="Calibri">:</font><font face="宋體">主要是血清中的脂蛋白變性及解凍后血清中纖維蛋白造成，這些絮狀物不會影響血清本身的質量?？捎秒x心</font><font face="Calibri">3000rpm</font><font face="宋體">， </font><font face="Calibri">5</font><font face="宋體">分鐘去除，也可不用處理。 顯微鏡下</font><font face="Calibri">&quot;</font><font face="宋體">小黑點</font><font face="Calibri">&quot;:</font><font face="宋體">經過熱處理過的血清，沉淀物的形成會顯著增多。</font></span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><font face="宋體">有些沉淀物在顯微鏡下觀察象</font>&quot;<font face="宋體">小黑點</font><font face="Calibri">&quot;</font><font face="宋體">，常誤認為血清受污染。一般情況下，此小黑點不會影響細胞生長，但如果懷疑血清質量，則應立即停止使用，更換另一批號的血清；</font></span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;">6<font face="宋體">、切勿將血清在</font><font face="Calibri">37</font><font face="宋體">℃放置太久，否則血清會變得渾濁，同時血清中的有效成分會破會而影響血清質量。</font></span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;">我公司提供的血清種類齊全，可以滿足所有血清用戶的需求。</span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;">多種血清都提供了熱滅活的包裝，減少了實驗室自行熱滅活的工作，并最大限度降低了熱滅活對血清的負面影響。</span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p>