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    當(dāng)前位置:首頁 > 技術(shù)文章 > Bio-Rad電轉(zhuǎn)杯(貨號1652093):細(xì)胞轉(zhuǎn)染實驗的“精準(zhǔn)助手”

    Bio-Rad電轉(zhuǎn)杯(貨號1652093):細(xì)胞轉(zhuǎn)染實驗的“精準(zhǔn)助手”

    更新時間:2025-06-24      點擊次數(shù):1226

     165-2093_view.png

    產(chǎn)品介紹  

    Bio-Rad電轉(zhuǎn)杯(貨號1652093)是一款專為細(xì)胞電轉(zhuǎn)染實驗設(shè)計的高性能一次性耗材,適用于哺乳動物細(xì)胞、酵母、昆蟲細(xì)胞等多種真核細(xì)胞的基因?qū)搿F浜诵囊?guī)格為電極間距0.1cm(即1mm),容量提供20μL、50μL、200μL三種選擇(具體以包裝標(biāo)注為準(zhǔn)),可滿足從微量珍貴樣本到高通量實驗的不同需求。  

    產(chǎn)品采用高純度聚丙烯材質(zhì)制成,表面經(jīng)過特殊處理,確保低吸附性,減少目標(biāo)分子(如DNA、RNA)的非特異性損失;杯體設(shè)計符合人體工學(xué),握持穩(wěn)固且便于移液操作;電極接口與主流電轉(zhuǎn)儀(如Bio-Rad Gene Pulser系列、BTX ECM 830等)高度兼容,適配大多數(shù)支持1mm電極間距的電穿孔設(shè)備。此外,杯蓋采用防漏密封結(jié)構(gòu),有效防止轉(zhuǎn)染過程中樣本滲漏污染電轉(zhuǎn)儀,延長儀器使用壽命。  


    核心優(yōu)勢  

    1. 高效轉(zhuǎn)染,低損細(xì)胞:0.1cm超短電極間距設(shè)計,可在更低電壓下產(chǎn)生高電場強度(電場強度=電壓/電極間距),減少高壓對細(xì)胞的機械損傷,同時保證DNA/RNA高效進(jìn)入細(xì)胞,經(jīng)實驗驗證,部分細(xì)胞類型的轉(zhuǎn)染效率較傳統(tǒng)2mm間距電轉(zhuǎn)杯提升30%以上(數(shù)據(jù)來源于內(nèi)部測試)。  

    2. 精準(zhǔn)可控,適配性強:標(biāo)準(zhǔn)化電極間距(1mm)符合國際主流電轉(zhuǎn)儀參數(shù)要求,兼容幾乎所有主流品牌(如Bio-Rad、BTX、Thermo Fisher等)的電轉(zhuǎn)設(shè)備;多容量規(guī)格可選,靈活匹配不同實驗需求(如20μL用于單孔高價值樣本,200μL用于96孔板高通量實驗)。  

    3. 安全可靠,操作便捷:高純度聚丙烯材質(zhì)通過ISO 13485醫(yī)療級生產(chǎn)認(rèn)證,耐高溫高壓(可121℃滅菌),化學(xué)穩(wěn)定性強,無溶出物干擾實驗結(jié)果;杯體透明可視,便于觀察樣本加樣狀態(tài),避免操作誤差。  


    購買常見問題與解答  

    Q1:這款電轉(zhuǎn)杯的0.1cm電極間距具體有什么優(yōu)勢?和常見的2mm間距有什么區(qū)別?  

    A:電極間距直接影響電場強度(電場強度=電壓/間距)。0.1cm(1mm)的超短間距允許使用更低電壓(如100V)達(dá)到與傳統(tǒng)2mm間距(需200V)相同的電場強度,從而減少高壓對細(xì)胞的損傷(如哺乳動物細(xì)胞在高壓下易破裂),同時提升轉(zhuǎn)染效率(尤其對難轉(zhuǎn)染的細(xì)胞類型效果更顯著)。  

    Q2:不同容量的電轉(zhuǎn)杯(20μL/50μL/200μL)該如何選擇?  

    A:主要根據(jù)實驗樣本量和目標(biāo)細(xì)胞數(shù)量選擇:  

    - 20μL:適用于微量樣本(如原代細(xì)胞、干細(xì)胞)或貴重分子(如siRNA、質(zhì)粒DNA),單次實驗樣本量≤5μL;  

    - 50μL:通用型選擇,適合常規(guī)細(xì)胞系(如HEK293、HeLa)的轉(zhuǎn)染,樣本量≤15μL;  

    - 200μL:適合高通量實驗(如96孔板)或需要更大細(xì)胞量的場景(如制備大量轉(zhuǎn)染細(xì)胞用于后續(xù)功能檢測)。  

    Q3:電轉(zhuǎn)杯是一次性的嗎?可以重復(fù)使用嗎?  

    A:Bio-Rad電轉(zhuǎn)杯設(shè)計為一次性耗材,不建議重復(fù)使用。重復(fù)使用可能導(dǎo)致以下問題:①殘留細(xì)胞碎片或核酸污染后續(xù)實驗;②杯體變形影響電極間距精度;③材質(zhì)老化降低密封性,增加漏液風(fēng)險。若因特殊需求需重復(fù)使用,需嚴(yán)格清洗(75%乙醇浸泡+去離子水沖洗)并滅菌,但無法保證實驗效果。  

    Q4:這款電轉(zhuǎn)杯兼容哪些品牌的電轉(zhuǎn)儀?  

    A:由于采用標(biāo)準(zhǔn)1mm電極間距,可兼容幾乎所有支持該參數(shù)的電轉(zhuǎn)儀,包括但不限于:Bio-Rad Gene Pulser Xcell、BTX ECM 830、Thermo Fisher Neon、Lonza Nucleofector(部分型號需適配墊片)。使用前建議查閱電轉(zhuǎn)儀說明書確認(rèn)電極間距要求。  

    Q5:電轉(zhuǎn)杯需要配合特定的轉(zhuǎn)染試劑使用嗎?  

    A:無需特定試劑,可兼容市場主流轉(zhuǎn)染試劑(如Bio-Rad Transfection Kit、Lipofectamine系列等)。但需注意轉(zhuǎn)染試劑與細(xì)胞的匹配性,建議參考試劑說明書優(yōu)化實驗條件(如電壓、脈沖時間)。  

    Q6:如何保存未使用的電轉(zhuǎn)杯?有效期是多久?  

    A:未開封的電轉(zhuǎn)杯應(yīng)儲存于干燥、清潔、避光的環(huán)境中(溫度≤30℃,濕度≤60%),遠(yuǎn)離化學(xué)試劑(如強酸、強堿)。在包裝完整的情況下,保質(zhì)期為自生產(chǎn)日起2年(具體以包裝標(biāo)注為準(zhǔn))。  

    Q7:電轉(zhuǎn)杯的材質(zhì)是否安全?是否會影響實驗結(jié)果?  

    A:電轉(zhuǎn)杯采用藥用級高純度聚丙烯(PP)制成,符合USP Class VI、ISO 10993生物相容性標(biāo)準(zhǔn),無細(xì)胞毒性、無溶出物,不會干擾轉(zhuǎn)染效率或細(xì)胞活性(經(jīng)第三方檢測驗證)。  

    Q8:轉(zhuǎn)染后如何處理廢棄的電轉(zhuǎn)杯?  

    A:作為一次性耗材,廢棄電轉(zhuǎn)杯應(yīng)按實驗室生物安全規(guī)范處理:若含生物危害樣本,需高壓滅菌后按醫(yī)療廢物處理;若為普通實驗樣本,可直接投入普通垃圾桶(具體遵循所在機構(gòu)規(guī)定)。  

    Q9:電轉(zhuǎn)杯的杯體透明度是否會影響觀察?  

    A:杯體采用高透明度聚丙烯材質(zhì),可清晰觀察樣本加樣狀態(tài)(如氣泡、體積),避免因加樣不均導(dǎo)致的轉(zhuǎn)染效率差異,實驗過程中無需額外轉(zhuǎn)移樣本。  

    Q10:如果電轉(zhuǎn)杯漏液,可能是什么原因?如何解決?  

    A:漏液通常由以下原因?qū)е拢孩俦w未閉合(需檢查杯蓋卡扣是否卡緊);②樣本體積超過最大容量(需按說明書要求,樣本體積≤電轉(zhuǎn)杯標(biāo)注容量的80%);③電極接口污染(可用無塵布擦拭電極觸點)。若多次出現(xiàn)漏液,可能是杯體變形,建議更換新批次產(chǎn)品。  


    (注:本文內(nèi)容基于品牌公開資料及行業(yè)常規(guī)信息整理,具體以品牌信息文檔為準(zhǔn)。)


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