军团菌尿抗原随时间的稳定性。
Stability of Legionella urinary antigens over time.
作者信息
Rigby E W, Plouffe J F, Hackman B A, Hill D S, Benson R F, Breiman R F
机构信息
Ohio State University Medical Center, Columbus, USA.
出版信息
Diagn Microbiol Infect Dis. 1997 May;28(1):1-3. doi: 10.1016/s0732-8893(97)89153-5.
Twenty-two urine samples positive for Legionella pneumophila serogroup 1 antigen by EQUATE radioimmunoassay (RIA) (Binax, Portland, ME, USA) were stored at various temperatures and the RIA repeated at 1, 7, 30, 90, and 120 days to evaluate stability of the urinary antigens. The mean ratios of patient/negative control remained stable. Although there was a 10% decrease in the mean ratios after 1 month, changes were not significant. However, individual samples with ratios close to 3 may fall to < 3.
通过EQUATE放射免疫测定法（RIA）（美国缅因州波特兰市Binax公司）检测出嗜肺军团菌血清1型抗原呈阳性的22份尿液样本，在不同温度下保存，并在第1、7、30、90和120天重复进行放射免疫测定，以评估尿液抗原的稳定性。患者/阴性对照的平均比值保持稳定。虽然1个月后平均比值下降了10%，但变化并不显著。然而，比值接近3的个别样本可能会降至<3。
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