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前列腺特异抗原质控品的制备与评价 被引量:2

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摘要 目的制备性能稳定的前列腺特异抗原(prostate specific antigen,PSA)质控品,用作PSA定量检测试剂临床检测的质量控制。方法将人源PSA蛋白以不同稀释配方稀释成低、中、高3个浓度,制备液体和干粉两种形式的质控品,用Abbott定量检测试剂进行活性检测,考察PSA质控品的稳定性能。结果 PSA液体质控品使用未灭活血清稀释,制备过程简单,瓶间差较低,冷藏保存可至少稳定8个月,冷冻保存可至少稳定18个月;PSA干粉质控品使用含有10%人血清、50 g/L甘氨酸和4g/L人血清清蛋白的PBS制备,冻干粉外观均匀,复溶后澄清透明,干粉在37℃和复溶后25℃可稳定放置4周,冷藏保存至少稳定12个月。结论制备的PSA液体质控品和干粉质控品使用方便,稳定性能够满足室内质控要求,具有较好的市场前景。
出处 《临床检验杂志》 CAS CSCD 2016年第1期64-66,共3页 Chinese Journal of Clinical Laboratory Science
基金 国家高技术研究发展计划(863计划)(2011AA02A114 2011AA02A103)
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