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在色谱分析、有机合成和交叉偶联反应领域已被 0 篇同行评审文献引用。
Aladdin IgG洗脱缓冲液(1×),pH 2.7 是一款即用型胺基酸性溶液,专为从Protein A、Protein G、Protein A/G及Protein L亲和介质中高效解离并回收纯化抗体而设计。该低pH缓冲液可在变性条件下实现高产量洗脱,适用于多种抗体-抗原或蛋白质-蛋白质亲和纯化系统。
主要特点
高效洗脱:在低pH条件下能有效解离所有主要IgG结合蛋白上结合的抗体。
即用便利:预稀释的1×溶液无需配制,适合快速且标准化的操作流程。
广泛兼容:适用于单重及多重亲和纯化流程中的抗体洗脱。
性能稳定:预调至pH 2.7,确保在不同应用中获得重现性良好的洗脱效果。
应用灵活:也可用于抗原-抗体或常规蛋白质相互作用研究。
应用场景
使用Protein A、G、A/G或L树脂进行IgG纯化时的抗体洗脱。
特别适合研发规模的免疫亲和纯化。
兼容手动与自动化色谱系统。
适用于大多数抗原-抗体亲和纯化装置的洗脱流程。
使用说明
完成样品结合与清洗步骤后,将Aladdin IgG洗脱缓冲液 (1×),pH 2.7加入亲和树脂。
短暂孵育(通常1-10分钟)以实现抗体完全解离。
收集洗脱液组分并立即使用适宜缓冲液 (如1 M Tris-HCl,pH 9.0) 中和,以保持抗体活性。
为获得最佳性能,建议与Aladdin配套的IgG结合缓冲液协同使用,实现无缝操作流程。
注意事项
避免抗体长时间暴露于低pH环境,以防止变性。
洗脱组分需及时中和处理,以确保抗体获得最佳回收率与稳定性。
对于敏感抗体,建议考虑选用Aladdin温和抗原/抗体洗脱缓冲液(近中性高盐配方)。
Aladdin IgG Elution Buffer (1x), pH 2.7, is a ready-to-use, amine-based acidic solution designed for the efficient dissociation and recovery of purified antibodies from Protein A, Protein G, Protein A/G, and Protein L affinity supports. This low-pH buffer enables high-yield elution under denaturing conditions and is suitable for a wide range of antibody-antigen or protein-protein affinity purification systems.
Key Features
High-Efficiency Elution: Effectively dissociates bound antibodies from all major IgG-binding proteins under low-pH conditions.
Ready-to-Use: Pre-diluted 1× solution requires no preparation—ideal for fast and consistent workflows.
Broad Compatibility: Suitable for eluting antibodies in both singleplex and multiplex affinity purification workflows.
Consistent Performance: Pre-adjusted to pH 2.7 to ensure reproducible elution profiles across applications.
Versatile Application: Also effective in antigen-antibody or general protein-protein interaction studies.
Applications
Antibody elution in IgG purification using Protein A, G, A/G, or L resins
Ideal for research and development-scale immunoaffinity purification
Compatible with manual and automated chromatography systems
Suitable for elution in most antigen-antibody affinity purification setups
Instructions for Use
After sample binding and washing steps, apply Aladdin IgG Elution Buffer (1×), pH 2.7, to the affinity resin.
Incubate briefly (typically 1-10 minutes) for complete antibody dissociation.
Collect eluate fractions and immediately neutralize using an appropriate buffer (e.g., 1 M Tris-HCl, pH 9.0) to preserve antibody activity.
For optimal performance, combine with Aladdin’s matching IgG Binding Buffers for a seamless workflow.
Notes
Avoid prolonged exposure of antibodies to low-pH conditions to prevent denaturation.
Neutralize eluted fractions promptly for maximum antibody recovery and stability.
For sensitive antibodies, consider Aladdin’s Gentle Ag/Ab Elution Buffer (near-neutral, high-salt).
| pH | pH 2.7 |
|---|
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