▍产品介绍
OM-AC2是DNA Genotek开发的 医用级唾液DNA自采集装置(CE-IVDR认证),核心功能为 在常温环境下(4-37℃)长期稳定保存唾液中的基因组DNA。其Oragene®试剂(2mL)可快速灭活DNase酶并释放DNA,确保样本在运输、存储过程中不发生降解。
▍关键技术参数
- 品名:Spoon Accessory
- 样本类型:人类唾液(不含漱口水)
- 唾液量:0.5mL(需达到采集管刻度线)
- DNA产出量:平均110μg/样本(范围:50-200μg)
- 稳定性:室温保存5年,DNA片段仍>20kb(BMC Med Genomics 2013验证)
- 适配分析:全基因组测序(WGS)、SNP芯片、PCR、qPCR
- 存储温度:-80°C至+40°C(劣质)环境下性能仍受控)
▍核心优势
1. 成本革命 - 省去冷链运输成本,常温邮寄可节约80%物流费用(PMID: 23800267)
2. 技术壁垒 - Oragene®稳定液实现蛋白酶K级DNase灭活(US Patent 7,824,898)
3. 零降解风险 - 专用采集盖设计,确保DNA不与空气接触(ISO 9001/13485认证)
4. 数据一致性 - 96%样本通过QC质控(OD260/280=1.7-2.0,DV200>80%)
5. 群体研究优化 - 支持数千至百万级样本同步采集(GTEx计划采用)
▍用户高频疑问Q&A
> Q1:唾液采集与血液DNA质量差异?
> A:经Illumina WGS对比,唾液DNA文库中GC bias<1%(Nat Methods 2020),SNP检出一致性>99.8%,符合临床研究标准。
> Q2:采集后是否需要立即处理?
> A:无需。唾液注入后剧烈摇晃10秒,静置≥72小时即可室温储存。活化后DNA在稳定液中自动释放。
> Q3:冬季/高温地区运输会失效吗?
> A:OM-AC2通过40℃/75%湿度加速老化测试(56天≈5年稳定性)。劣质环境不影响效能。
> Q4:如何避免采集失败?
> A:关键控制点:① 采集前30分钟禁食 ② 唾液需含颊黏膜细胞(非纯唾液)③ 达0.5mL刻度线
> Q5:是否兼容自动化提取?
> A:支持Qiagen Autopure、Chemagen MSM等主流工作站,预装条码可直接扫码入库。
(注:本文内容基于品牌公开资料及行业常规信息整理,具体以品牌信息文档为准。)
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