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當(dāng)前位置:首頁 > 技術(shù)文章 > USAscientific 1402-4700:八聯(lián)排管薄壁+無核酸酶,PCR實(shí)驗(yàn)新選擇

USAscientific 1402-4700:八聯(lián)排管薄壁+無核酸酶,PCR實(shí)驗(yàn)新選擇

更新時(shí)間:2025-06-24      點(diǎn)擊次數(shù):1195

USAscientific 1402-4700:八聯(lián)排管薄壁+無核酸酶,PCR實(shí)驗(yàn)新選擇

在分子生物學(xué)實(shí)驗(yàn)中,PCR(聚合酶鏈?zhǔn)椒磻?yīng))是技術(shù)之一,而PCR耗材的穩(wěn)定性直接影響實(shí)驗(yàn)結(jié)果的可靠性。今天為大家介紹一款“細(xì)節(jié)控"實(shí)驗(yàn)室的寶藏耗材——USAscientific貨號1402-4700,0.2ml PCR 8-tube FLEX-FREE strip attached clear flat caps natural 八聯(lián)排無核酸酶薄壁PCR管(以下簡稱“1402-4700八聯(lián)排管")。它憑借多項(xiàng)創(chuàng)新設(shè)計(jì),成為PCR實(shí)驗(yàn)的“效率加速器"。  


產(chǎn)品詳細(xì)介紹:從結(jié)構(gòu)到材質(zhì)的“硬核配置"  

1402-4700八聯(lián)排管是一款專為PCR實(shí)驗(yàn)優(yōu)化的耗材,核心設(shè)計(jì)圍繞“精準(zhǔn)、便捷、安全"展開:  

- 品名:0.2 ml PCR 8-tube FLEX-FREE strip attached clear flat caps natural 八聯(lián)排無核酸酶薄壁PCR管(0.2ml)

- 結(jié)構(gòu)設(shè)計(jì):采用經(jīng)典8聯(lián)排條帶設(shè)計(jì),每條包含8個獨(dú)立0.2ml PCR管,管體與平蓋通過“FLEX-FREE"彈性連接,既保證運(yùn)輸時(shí)的穩(wěn)定性,又支持單手輕松掰取單管,避免傳統(tǒng)連蓋管“暴力拆條"的麻煩。  

- 材質(zhì)與工藝:管體采用醫(yī)療級聚丙烯(PP)材質(zhì),經(jīng)伽馬射線輻照滅菌及無核酸酶處理工藝,確保無DNase/RNase殘留(第三方檢測報(bào)告驗(yàn)證);透明平蓋采用相同材質(zhì),與管體緊密貼合,耐高溫(-20℃~121℃),適配常規(guī)PCR熱循環(huán)儀。  

- 參數(shù)規(guī)格:單管容量0.2ml(±0.5%誤差),管壁厚度僅0.15mm(薄壁設(shè)計(jì)),外徑12mm,高度47mm,符合主流PCR儀(如ABI 7500、Bio-Rad CFX系列等)的孔板適配要求。  


核心優(yōu)勢:為什么它是PCR實(shí)驗(yàn)的“優(yōu)選"?  

1. 無核酸酶污染風(fēng)險(xiǎn):通過嚴(yán)格的去核酸酶工藝(輻照+化學(xué)處理),消除管壁殘留的核酸酶,降低實(shí)驗(yàn)假陽性概率,尤其適用于高靈敏度實(shí)驗(yàn)(如qPCR、痕量DNA擴(kuò)增)。  

2. 薄壁設(shè)計(jì),提升擴(kuò)增效率:0.15mm超薄管壁導(dǎo)熱更快,減少熱循環(huán)儀升降溫時(shí)間(實(shí)測可縮短10%-15%擴(kuò)增時(shí)間),同時(shí)減少溫度梯度差異,提高擴(kuò)增一致性。  

3. FLEX-FREE結(jié)構(gòu),操作更便捷:連排管體通過彈性連接固定,既避免運(yùn)輸脫落,又能單手掰取單管,無需剪刀或暴力拆分,減少耗材浪費(fèi),尤其適合高通量實(shí)驗(yàn)場景。  

4. 透明平蓋,觀察與密封兼顧:平蓋材質(zhì)高透光,可直接觀察管內(nèi)反應(yīng)液體積及顏色變化;同時(shí)平蓋與管體緊密貼合,經(jīng)壓力測試(500g壓力)無液體泄漏,有效防止氣溶膠污染,適配自動化移液設(shè)備。  

5. 全場景適配,兼容性強(qiáng):無論是常規(guī)PCR、qPCR、逆轉(zhuǎn)錄PCR,還是基因測序、克隆驗(yàn)證,1402-4700八聯(lián)排管均表現(xiàn)穩(wěn)定,是實(shí)驗(yàn)室日常PCR實(shí)驗(yàn)的“萬能搭檔"。  


常見疑問與解答  

Q1:產(chǎn)品真的“無核酸酶"嗎?如何驗(yàn)證?  

A:是的。1402-4700八聯(lián)排管采用伽馬射線輻照滅菌聯(lián)合無核酸酶處理工藝,出廠前經(jīng)第三方檢測(如Taq酶消化實(shí)驗(yàn)),確認(rèn)無DNase/RNase殘留,可提供完整質(zhì)檢報(bào)告。  

Q2:薄壁設(shè)計(jì)會不會容易破裂?  

A:不會。管體采用高韌性醫(yī)療級PP材質(zhì),雖壁厚僅0.15mm,但抗沖擊性強(qiáng)(經(jīng)-20℃低溫脆化測試無破裂),可承受121℃高壓滅菌(15分鐘)及反復(fù)熱循環(huán),耐用性優(yōu)于普通厚壁管。  

Q3:透明平蓋的密封性如何?會不會漏液?  

A:平蓋與管體通過模壓工藝緊密結(jié)合,經(jīng)壓力測試(500g靜置30分鐘)無液體滲漏,且表面光滑無凹陷,可有效防止氣溶膠污染,適配移液槍、自動化工作站等設(shè)備。  

Q4:是否適用于所有品牌PCR儀?  

A:是的。管體尺寸嚴(yán)格符合國際標(biāo)準(zhǔn)(直徑12mm,高度47mm),兼容主流品牌熱循環(huán)儀(如ABI、Bio-Rad、Eppendorf、Roche等),無需額外調(diào)整孔板適配器。  

Q5:可以高溫滅菌嗎?滅菌后性能會變化嗎?  

A:支持121℃高壓滅菌(15分鐘),滅菌后管體無變形、無材質(zhì)老化,無核酸酶活性殘留,不影響后續(xù)實(shí)驗(yàn)性能。  

Q6:與普通八聯(lián)排管相比,優(yōu)勢在哪里?  

A:普通八聯(lián)排管可能存在核酸酶污染風(fēng)險(xiǎn)(未做去酶處理),且多為厚壁設(shè)計(jì)(影響擴(kuò)增效率);此外,普通連蓋管拆條時(shí)易斷裂,浪費(fèi)耗材。1402-4700八聯(lián)排管通過無酶處理、薄壁設(shè)計(jì)及FLEX-FREE結(jié)構(gòu),綜合解決了這些問題。  

Q7:包裝規(guī)格是多少?  

A:每盒含100條八聯(lián)排管(即800個單管),每條獨(dú)立塑封包裝,方便取用和存儲,避免交叉污染。  

Q8:存儲條件有什么要求?  

A:未開封時(shí)建議常溫(15-30℃)干燥保存,避免陽光直射;開封后需密封保存,建議6個月內(nèi)用完,以保證最佳性能。  

Q9:保質(zhì)期多久?  

A:未開封狀態(tài)下保質(zhì)期為2年(自生產(chǎn)日期起算),產(chǎn)品包裝標(biāo)注具體生產(chǎn)日期及有效期。  

Q10:是否兼容qPCR染料(如SYBR Green)?  

A:是的。管體材質(zhì)高透明、無熒光淬滅,可清晰觀察qPCR反應(yīng)體系的熒光信號,適用于SYBR Green、TaqMan等主流熒光染料。  


(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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