质谱流式细胞术实验既昂贵又耗时。使用层流清洗技术确保您的所有样品都能产生良好的数据。
减少碎片、背景、伪影和堵塞
增强细胞保留
提高分辨率
降低数据的 CV
即将举行的网络研讨会:实现无需离心的流式细胞术样品制备工作流程的标准化
质谱流式细胞术是流式细胞术的一种变体,其中抗体用重金属离子标签标记,而不是用荧光抗体标记。由于检测是通过飞行时间质谱法进行的,因此没有信号的光谱重叠,这允许分析更多数量的目标蛋白质。
质谱流式细胞术可以深入研究表面标志物和细胞内细胞因子。这是一种有大量文献记载的方法。大多数情况下,您会在科研机构的核心设施中找到质谱流式细胞仪,因此在您自己的实验室准备样品是获得良好结果的关键。
“The one thing which I didn't expect it here is that you reduce usage of antibody with roughly 50% and we've preserved signal and reproducibility.”
Jorgen Adolfsson,林雪平大学
用于制备用于流式细胞术分析的单细胞悬液的免疫染色工作流程的比较。层流洗涤技术在洗涤方面同样有效,但无需使用离心机。
减少碎片、背景、伪影和堵塞
增强细胞保留
提高分辨率
降低数据的 CV
在层流洗涤制备的样品中单峰的频率更高。使用层流洗涤处理的样品,完整细胞的数量也显着增加。
在此 t-SNE 图中,细胞根据所有 25 个标记的表达进行聚类。层流洗涤技术制备的重复似乎是同质的,这意味着样品在聚集时彼此无法区分。使用离心制备的细胞簇显示了簇内三个非常独特的样本,这意味着簇一端的细胞与簇另一端的细胞非常不同。
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