美洲型豬繁殖與呼吸綜合征病毒實時(shí)熒開門光RT-PCR定量檢測試劑盒測量不就坐确定度研究

2020-06-04 10:16:41 吳 迪,栗雲鵬,巴洪宇,等 中國(guó)動物檢疫

爲填補測量不确定度在獸醫領域病和店原學(xué)檢測的空白,建立豬繁殖與呼吸綜合征病毒(PRRSV)實時(s城厭hí)熒光定量RT-PCR檢測試劑盒測量不确定度評估模型,對(du生文ì)市售的3種(zhǒng)美洲型PRRSV實時(弟錢shí)熒光RT-PCR檢測試劑盒進(jìn)大的行了測量不确定度評估,評估了移液器、溫度、火的重複性測量因素對(duì)試驗結果産生的不确定度影場睡響。研究數據表明:移液器與重複性測量對(duì到說)試驗結果産生的不确定度影響較大,應予以重視,需規範操作;建立的3種光白(zhǒng)試劑盒測量不确定度模型縮小了試劑盒畫錯對(duì)可疑樣(yàng)品的判定區域,對(duì)樣(yàn雪事g)品臨界參考值的檢測結果判定具有實際意義。通過(guò)比對(duì)4個離技廠家的核酸提取試劑,篩選出了提取效率最高的試劑坐筆盒。本研究建立的PRRSV實時(shí)熒光RT-林文PCR定量檢測試劑盒測量不确定度模型爲獸醫間光實驗室檢測結果不确定度評估及應用奠定了基礎。

 

Study on the Uncertainty of 男章Real-time PCR Kits for Quant科用itative Detection of PRRSV of Ameri北件can Type

In order to fill in the blan影信k of the measuremen術件t uncertainty in the fi會話eld of veterinar森數y etiology,an evalu窗計ation model of measurement uncertaint鐘山y for real-time 雜下PCR kits for quantitative de鄉兒tection of PRRSV was estab答舊lished,and three kinds o友著f commercial RT-PCR kits(det兵答ecting PRRSV strain of American typ分道e)were evaluated,including the inf務線luence of pipette,temperature從報 and repeated me拿嗎asurement on test re鐵也sults. It was found that the test re話月sults were greatly influe答了nced by the pipette and repeat吧答ed measurement,which sh很錢ould be paid at北樂tention to,and the operations s媽器hould be standardized;the師影 determination area of the kits fo銀高r suspected samples內煙 was reduced,which co拿化ntributed to the deter物看mination of the critical re民如ference value of samples. The kit with 用著highest extraction effi相房ciency was selected through comparing t票明he nucleic acid extraction reagent麗場s produced by four manuf日廠acturers. In conc哥從lusion,a founda照了tion was hereby laid f我器or evaluation and applica上男tion of measurement這那 uncertainty in veterinary laborato嗎你ries by the model e計錢stablished in this study員雪.

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