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技術文章首頁 > 技術文章 > 分享一個高效的手動單通道可調移液槍的使用方法
分享一個高效的手動單通道可調移液槍的使用方法
點擊量:354     時間:2022-10-22
  手動單通道可調移液槍采用了賽多利斯百得先進的生產線和相關質量管理體系,使其集輕巧耐用于一身。更具有量程選擇多、按壓舒適和配置疏水性安全濾芯等特點。手動單通道可調移液槍有九個不同規格的量程,并支持半支消毒。
 
  手動單通道可調移液槍的使用方法:
  1、選擇合適的手動單通道可調移液槍:移取標準溶液時多使用空氣置換移液槍,移取具有高揮發性、高黏稠度以及密度大于2.0g/cm的液體或者在臨床聚合酶鏈反應(PCR)測定中的加樣時使用正向置換移液槍。如移取15ul的液體,最好選擇較大量程為20ul的移液槍,選擇50ul及其以上量程的移液槍都不夠準確。
 
  2、設定移液體積:調節手動單通道可調移液槍的移液體積控制旋鈕進行移液量的設定。調節移液量時,應視體積大小而旋轉刻度至超過設定體積的刻度,再回調至設定體積,以保證移取的較佳精確度。
 
  3、裝配吸頭:使用手動單通道可調移液槍時,將可調式移液槍的嘴錐對準吸頭管口,輕輕用力垂直下壓使之裝緊。使用多通道移液槍時,將移液槍的第一排對準第一個管嘴,傾斜插入,前后稍微搖動擰緊。
 
  4、移液:保證手動單通道可調移液槍、吸頭和待移取液體處于同一溫度;然后用待移取吸液體潤洗吸頭1-2次,尤其是黏稠的液體或密度與水不同的液體。移取液體時,將吸頭頭端垂直浸入液面以下2-3mm深度(嚴禁將吸頭全部插入溶液中),緩慢均勻地松開操作桿,待吸頭吸入溶液后靜置2-3秒,并斜貼在容器壁上淌走吸頭外壁多余的液體。
 
  5、手動單通道可調移液槍的放置:使用手動單通道可調移液槍完畢后,用大拇指按住吸頭推桿向下壓,安全退出吸頭后將其容量調到標識的較大值,然后將移液槍懸掛在專用的移液槍架上;長期不用時應置于專用盒內。

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