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    	<h1 class="NyNewDetail_Name">黄曲霉毒素免疫亲和柱重要操作程序明细</h1>
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        	<span><img src="/Skins/393903/images/ico04.png" />更新时间：2019-01-15</span><span><img src="/Skins/393903/images/ico05.png" />点击次数：2481</span>
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        	&nbsp;黄曲霉毒素免疫亲和柱系列产品包括以下特点：<div>采用高特异性和高亲和力的的单克隆抗体。</div><div>柱容量高，有效提高纯化效率。</div><div>达到真菌毒素检测的国内外*。</div><div>良好的稳定性和可靠性，回收率达到90－95%。</div><div>&nbsp;</div><div>操作程序</div><div>样品准备：</div><div>以下只是对一般样品的操作过程。具体到某些样品，可以在对操作过程进行调整。</div><div>适用样品：玉米，小麦，燕麦，黑麦和大麦，奶制品。</div><div>&nbsp;</div><div>样品取样：</div><div>真菌毒素分析的误差来源是样品的收集和取样过程，所以要保证样品收集和取样具有代表性。</div><div>样品提取：</div><div>步：称取粉碎后的样品，加入提取溶液；</div><div>第二步：用高速均质机搅拌，提取；</div><div>第三步：用漏斗过滤样品溶液；</div><div>&nbsp;</div><p align="center"><img src="http://img50.chem17.com/9/20190115/636831618673086940681.png" width="280" height="374" align="middle" alt="" /></p><div>样品过柱纯化</div><div>称取粉碎后的样品，加入提取溶液；</div><div>1.纯化柱准备：取出黄曲霉m1免疫亲和层析柱,&nbsp;恢复至室温，将上方塞子取出斜剪断，再插回亲和柱上,连接储样管和收集管；</div><div>2.加样：加入10ml样品液过柱，去掉亲和柱下方堵头，调节开关，流速为1ml/min左右。</div><div>3.洗涤：液体*排净后,加入5ml10%甲醇水2次,流速为3ml/min左右。（如有需要，可重复洗涤几次）</div><div>4.洗脱：液体排净后,更换收集管，加入1.5-3ml甲醇，孵育2min，流速为1ml/min左右。</div><div>注：收集管中的洗脱液即为纯化后的样品，可直接用ELISA,荧光和液相等方法进行检测。</div><div>&nbsp;</div><div>可重复性(CV%)：</div><div>纯化后直接用于ELISA 法，液相色谱法，荧光光度法等。</div><div>稳定性：18个月</div><div>可以用于复杂样品检测，包括食品、饲料、调味品等多种复杂基质。</div><div>可用于黄曲霉毒素B1B2G1G2M1M2，呕吐毒素，伏马毒素，赭曲霉毒素和玉米赤霉烯酮的检测。</div><div>&nbsp;</div><div>产品功能：黄曲霉毒素免疫亲和柱可选择性吸附样品液中的黄曲霉毒素m1，从而对黄曲霉毒素m1样品起到非常针对性的纯化作用，过柱净化后的样品液可直接用于液相进行黄曲霉毒素m1含量的检测。亲和层析柱与HPLC配合使用可达到快速测定的目的，以改善信噪比，可提高检测方法的准确度。</div><div>&nbsp;</div><div>反应原理：<strong><a href="http://www.bjzkhrtek.com/Products-30719193.html" target="_blank">黄曲霉毒素免疫亲和柱</a></strong>的测定的基础是抗原抗体反应，黄曲霉毒素m1单克隆抗体连接在柱内凝胶上，样品中的黄曲霉毒素m1经过提取、过滤、稀释，然后将样品提取液缓慢的通过黄曲霉毒素B1免疫亲和层析柱，在免疫亲和柱内，毒素与抗体结合，之后洗涤免疫亲和柱除去没有被结合的其他物质。用甲醇洗脱黄曲霉毒素m1，然后注入到分析仪器中用于检测。</div>
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