解析血清中包含絮狀沉淀及入冬儲(chǔ)存怎么處理?
<p class="MsoNormal"><span style="color: rgb(255, 102, 0);"><strong><span style="font-family: 宋體; font-size: 9pt;">一、血清中包含絮狀沉淀,它們是什么,怎么處理?</span></strong></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">近期,我司新客戶檢測(cè)血清是,發(fā)現(xiàn)其血清中包含絮狀沉淀,致電我司請(qǐng)求解答。</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">根據(jù)我司經(jīng)驗(yàn)解析;血清沉淀包含纖維蛋白和脂蛋白,這是正常特性,不會(huì)影響產(chǎn)品性質(zhì)。要除去沉淀,離心血清(</font>400g<font face="宋體">,</font><font face="Calibri">1-2</font><font face="宋體">分鐘)或者簡(jiǎn)單的讓其沉淀在瓶子底部,將血清小心的轉(zhuǎn)移到另一個(gè)無菌瓶里(一般不建議采用過濾的方法除去沉淀,因?yàn)槌恋頃?huì)堵塞濾膜而無法過濾)。</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">大多情況輕輕搖動(dòng)沉淀并加熱至</font>37<font face="宋體">℃就會(huì)再溶解。所以,使用產(chǎn)品時(shí)要搖動(dòng)并加熱血清至</font><font face="Calibri">37</font><font face="宋體">℃,沉淀會(huì)自然消失。</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="color: rgb(255, 102, 0);"><strong><span style="font-family: 宋體; font-size: 9pt;">二、血清入冬儲(chǔ)存怎么辦?</span></strong></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;">根據(jù)我司的經(jīng)驗(yàn)分析,胎牛血清因?yàn)槠洚a(chǎn)品的特性,在儲(chǔ)存的時(shí)候需要多加注意,錯(cuò)誤的操作會(huì)使胎牛血清失去活性,在實(shí)際應(yīng)用的時(shí)候應(yīng)注意以下幾點(diǎn):</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"><strong><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.</span></strong><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">首先在解凍和儲(chǔ)存的時(shí)候應(yīng)該將血清從冷凍箱取出后,先置于</font><font face="Calibri">2</font><font face="宋體">~</font><font face="Calibri">8</font><font face="宋體">℃冰箱使之融解,然后在室溫下使之全融。但必須注意的是,融解過程中必須規(guī)則地?fù)u晃均勻。</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"><strong><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.</span></strong><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">長(zhǎng)時(shí)間儲(chǔ)存在</font><font face="Calibri">2</font><font face="宋體">-</font><font face="Calibri">8</font><font face="宋體">℃時(shí),血清中的各種蛋白和脂蛋白(如冷凝集素、纖維蛋白原、玻粘連蛋白等)可能聚集而形成沉淀或可見的混濁。因此,推薦在</font><font face="Calibri">-20</font><font face="宋體">℃以下儲(chǔ)存血清,并避免反復(fù)凍融。</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"><strong><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. </span></strong><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">我們建議血清應(yīng)保存在</font><font face="Calibri">-2O</font><font face="宋體">℃。若存放于</font><font face="Calibri">4</font><font face="宋體">℃時(shí),請(qǐng)勿超過一個(gè)月。若一次無法用完一瓶,建議無菌分裝血清至恰當(dāng)?shù)臏缇萜鲀?nèi),再放回冷凍。</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"><strong><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">我們公司承諾我司產(chǎn)品自檢定合格之日起有效期為</font>5<font face="宋體">年,感謝您的信賴,酶聯(lián)生物祝您購物愉快!</font></span></strong><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>