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當(dāng)前位置:首頁(yè) > 技術(shù)文章 > Bio-Rad電轉(zhuǎn)杯(貨號(hào)1652093):細(xì)胞轉(zhuǎn)染實(shí)驗(yàn)的“精準(zhǔn)助手”

Bio-Rad電轉(zhuǎn)杯(貨號(hào)1652093):細(xì)胞轉(zhuǎn)染實(shí)驗(yàn)的“精準(zhǔn)助手”

更新時(shí)間:2025-06-24      點(diǎn)擊次數(shù):32

 165-2093_view.png

產(chǎn)品介紹  

Bio-Rad電轉(zhuǎn)杯(貨號(hào)1652093)是一款專(zhuān)為細(xì)胞電轉(zhuǎn)染實(shí)驗(yàn)設(shè)計(jì)的高性能一次性耗材,適用于哺乳動(dòng)物細(xì)胞、酵母、昆蟲(chóng)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(shí)驗(yàn)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(guò)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(jì)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(guò)程中樣本滲漏污染電轉(zhuǎn)儀,延長(zhǎng)儀器使用壽命。  


核心優(yōu)勢(shì)  

1. 高效轉(zhuǎn)染,低損細(xì)胞:0.1cm超短電極間距設(shè)計(jì),可在更低電壓下產(chǎn)生高電場(chǎng)強(qiáng)度(電場(chǎng)強(qiáng)度=電壓/電極間距),減少高壓對(duì)細(xì)胞的機(jī)械損傷,同時(shí)保證DNA/RNA高效進(jìn)入細(xì)胞,經(jīng)實(shí)驗(yàn)驗(yàn)證,部分細(xì)胞類(lèi)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(lái)源于內(nèi)部測(cè)試)。  

2. 精準(zhǔn)可控,適配性強(qiáng):標(biāo)準(zhǔn)化電極間距(1mm)符合國(guó)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(shí)驗(yàn)需求(如20μL用于單孔高價(jià)值樣本,200μL用于96孔板高通量實(shí)驗(yàn))。  

3. 安全可靠,操作便捷:高純度聚丙烯材質(zhì)通過(guò)ISO 13485醫(yī)療級(jí)生產(chǎn)認(rèn)證,耐高溫高壓(可121℃滅菌),化學(xué)穩(wěn)定性強(qiáng),無(wú)溶出物干擾實(shí)驗(yàn)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(gòu)買(mǎi)常見(jiàn)問(wèn)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(shì)?和常見(jiàn)的2mm間距有什么區(qū)別?  

A:電極間距直接影響電場(chǎng)強(qiáng)度(電場(chǎng)強(qiáng)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(chǎng)強(qiáng)度,從而減少高壓對(duì)細(xì)胞的損傷(如哺乳動(dòng)物細(xì)胞在高壓下易破裂),同時(shí)提升轉(zhuǎn)染效率(尤其對(duì)難轉(zhuǎn)染的細(xì)胞類(lèi)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(shí)驗(yàn)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(shí)驗(yàn)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(shí)驗(yàn)(如96孔板)或需要更大細(xì)胞量的場(chǎng)景(如制備大量轉(zhuǎn)染細(xì)胞用于后續(xù)功能檢測(cè))。  

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(jì)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(wèn)題:①殘留細(xì)胞碎片或核酸污染后續(xù)實(shí)驗(yàn);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(xiǎn)。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(wú)法保證實(shí)驗(yàn)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(hào)需適配墊片)。使用前建議查閱電轉(zhuǎn)儀說(shuō)明書(shū)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(wú)需特定試劑,可兼容市場(chǎng)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(shuō)明書(shū)優(yōu)化實(shí)驗(yàn)條件(如電壓、脈沖時(shí)間)。  

Q6:如何保存未使用的電轉(zhuǎn)杯?有效期是多久?  

A:未開(kāi)封的電轉(zhuǎn)杯應(yīng)儲(chǔ)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(qiáng)酸、強(qiáng)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(huì)影響實(shí)驗(yàn)結(jié)果?  

A:電轉(zhuǎn)杯采用藥用級(jí)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(wú)細(xì)胞毒性、無(wú)溶出物,不會(huì)干擾轉(zhuǎn)染效率或細(xì)胞活性(經(jīng)第三方檢測(cè)驗(yàn)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(shí)驗(yàn)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(shí)驗(yàn)樣本,可直接投入普通垃圾桶(具體遵循所在機(jī)構(gòu)規(guī)定)。  

Q9:電轉(zhuǎn)杯的杯體透明度是否會(huì)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(shí)驗(yàn)過(guò)程中無(wú)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(guò)最大容量(需按說(shuō)明書(shū)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(wú)塵布擦拭電極觸點(diǎn))。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(kāi)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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Pkg of 1

Bio-Rad

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