疫苗研发对于 COVID-19 和其他新出现的疾病而言从未如此重要。对可靠的免疫学数据的需求对于疫苗开发和临床试验至关重要。
提高不同操作者、时间和地点之间的可重复性
减少潜在传染性样本的雾化
提高细胞保留率
摆脱离心机
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
评估免疫反应是在疫苗开发过程中评估疫苗功效的不可或缺的手段。当遇到成功的疫苗抗原时,我们的免疫系统会受到刺激并产生一系列复杂的保护机制。
接种疫苗后,可以通过流式细胞术免疫表型分析确定不同免疫细胞亚群频率的变化。功能测定还用于测量由有效疫苗诱导的特定免疫功能。通过鉴定表达的特定细胞因子和表面标志物,可以使用细胞内细胞因子染色进一步评估免疫细胞的免疫状态。除了多功能性外,流式细胞术还具有很高的应用灵活性。
流式细胞术是一种用于疫苗开发的强大而重要的技术,它可以更好地表征和分析复杂的免疫反应。它的独特之处在于它能够测量前所未有的参数数量,从而促进对多个免疫细胞亚群的同时分析。
在疫苗开发过程中,Laminar Wash™ 技术可以很容易地融入流式细胞术样品制备中。使用 Laminar Wash™ 技术实现细胞清洗的自动化减少了样品制备所需的时间,并提高了检测之间的重现性。通过层流清洗技术温和清洗细胞可增强细胞活力和保留能力,这在处理少量起始细胞或针对稀有免疫细胞群时尤其有益。除了更高质量的数据外,由于层流清洗技术降低了传染性样品气溶胶化的风险,因此生物安全性也有所提高。
“We have used the DA-plate washer to develop a very consistent and time-efficient high throughput thymocyte activation assay.”
Joanna Brzostek,博士,新加坡国立大学
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。
提高不同操作者、时间和地点之间的可重复性
减少潜在传染性样本的雾化
提高细胞保留率
摆脱离心机
自动化的层流洗涤™技术提供了良好的一致性,并增加了来自新鲜解冻PBMC的低K] 输入 T 细胞的保留率
与离心相比,保留率更高。当处理细胞计数较低(10,000 - 100,000 个细胞)的样品时,层流洗涤(红色数据点)比离心(黑色数据点)导致保留更多细胞。在层流洗涤的每个额外循环(9 轮 60uL 洗涤缓冲液更换)和 1 次旋转洗涤循环之间比较细胞计数。
使用层流洗涤™技术保留更多的总细胞和单核细胞
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