上海酶联血清白蛋白的主要结构

<p><span style="color: rgb(255, 0, 0);"><strong><span style="font-family: 宋体; font-size: 9pt;"><span style="font-family: 宋体;">上海酶联</span><span style="font-family: 宋体; font-size: 9pt;">生物科技有限公司</span></span></strong></span><span style="font-family: 宋体; font-size: 9pt;"><span style="mso-spacerun:'yes';font-family:宋体;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;">的产品在相当宽的领域得到广泛的应用，长期和各大高校、研究机构、工厂、企业等建立了深厚的合作关凢系，</span><span style="mso-spacerun:'yes';font-family:宋体;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></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋体;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;">我们的企业文化是为树立行业的地位而不懈努力，为科研事业贡献绵薄之力！公司的核心价值是诚信为本，质量第一，为客户提供高品质的产品、为员工提供发展平台、为社会创造更多价值。</span><span style="mso-spacerun:'yes';font-family:宋体;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:宋体;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="宋体">牛血清白蛋白（</font>BSA<font face="宋体">），又称第五组分，是牛血清中的一种球蛋白，包括</font><font face="Calibri">583</font><font face="宋体">个氨基酸</font><font face="Calibri">/</font><font face="宋体">残基，分子量为</font><font face="Calibri">66.430 kDa</font><font face="宋体">，等电点为</font><font face="Calibri">4.8</font><font face="宋体">。</font></span><span style="mso-spacerun:'yes';font-family:宋体;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:宋体;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="宋体">牛血清白蛋白在生化试验中有广泛的应用，例如在</font>western blot<font face="宋体">中作为</font><font face="Calibri">Blocking agent</font><font face="宋体">。</font></span><span style="mso-spacerun:'yes';font-family:宋体;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:宋体;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="宋体">它是牛血清中的简单蛋白，是血液的首要成分（</font>38g/100ml<font face="宋体">），分子量</font><font face="Calibri">68kD</font><font face="宋体">。等电点</font><font face="Calibri">4.8</font><font face="宋体">。含氮量</font><font face="Calibri">16%</font><font face="宋体">，含糖量</font><font face="Calibri">0.08%</font><font face="宋体">。仅含已糖和已糖胺，含脂量只要</font><font face="Calibri">0.2%</font><font face="宋体">。</font></span><span style="mso-spacerun:'yes';font-family:宋体;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:宋体;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="宋体">白蛋白由</font>581<font face="宋体">个氨基酸残基组成，其中</font><font face="Calibri">35</font><font face="宋体">个半胱氨酸组成</font><font face="Calibri">17</font><font face="宋体">个二硫键，在肽链的第</font><font face="Calibri">34</font><font face="宋体">位有一自在巯基。</font></span><span style="mso-spacerun:'yes';font-family:宋体;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:宋体;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;">白蛋白可与多种阳离子、阴离子和其他小分子物质结合。</span><span style="mso-spacerun:'yes';font-family:宋体;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:宋体;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="宋体">血液中的白蛋白首要起保持渗透压效果、</font>PH<font face="宋体">缓冲效果、载体效果和营养效果。在动物细胞无血清培育中，增加白蛋白可起到生理和机械维护效果和载体效果。</font></span><span style="mso-spacerun:'yes';font-family:宋体;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="background-color: rgb(255, 255, 153);"><span style="font-family: 宋体; font-size: 9pt;">上海酶联生物科技有限公司具有良好的市场信誉，我们有一支由生物技术、化学、精细化工等专业毕业的大学生组成的专业的销售和技术服务团队，过硬的产品、合理的价格、优质的服务为不同类型的客户提供专业的实验室配备解决方案。</span></span><span style="mso-spacerun:'yes';font-family:宋体;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="background-color: rgb(255, 255, 153);"><span style="font-family: 宋体; font-size: 9pt;"><font face="宋体">上海酶联生物科技有限公司，凭着</font>ELISA<font face="宋体">类系列产品经验已经成为业内知名公司，全体员工衷心感谢您长期以来的信任和支持！</font></span></span><span style="mso-spacerun:'yes';font-family:宋体;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>