Kinetic Chromogenic LAL Assays
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產品英文名稱:Kinetic Chromogenic LAL Assays
產品中文名稱:動態(tài)顯色法鱟試劑(LAL)內毒素檢測試劑盒
LONZA Kinetic-QCL動態(tài)顯色法鱟試劑(LAL)內毒素檢測試劑盒產品介紹:
Kinetic-QCL?檢測是一種定量的,動態(tài)檢測革蘭氏陰性細菌內毒素。樣品與鱟試劑(LAL)混合,放在溫育板讀數器上,溶液變?yōu)辄S色指示測定完成。Kinetic-QCL?顯色檢測特點最適合用于微量注射藥物,疫苗,抗體和生物制劑檢測。相比于動態(tài)濁度法和凝膠檢測法,Kinetic-QCL?不會干擾凝膠形成。檢測靈敏度范圍在0.005 EU/ml – 50.0 EU/ml,是所有鱟試劑(LAL)檢測方法中最靈敏的。Kinetic-QCL?允許許多樣品在96高通量孔板中同時進行檢測,節(jié)約時間和工作量。
Kinetic-QCL?(50-650U)包含8瓶LAL鱟試劑,2瓶標準內毒素,3瓶LAL試劑水。每個試劑盒可以檢測192次。
鱟阿米巴樣細胞裂解物( Limulus Amebocyte Lysate,LAL )被用于檢測革蘭氏陰性細菌細胞壁的成分脂多糖(內毒素)。該裂解物來源于鱟(Limulus polyphemus)的循環(huán)阿米巴樣細胞。使用 LAL 進行內毒素檢測來源于 Bang 的發(fā)現, Bang 觀察發(fā)現 Limulus polyphemus 革蘭氏陰性感染后導致致命性的血管內凝聚。 Levin 和 Bang 后來發(fā)現這種凝結現象是內毒素與鱟血中的循環(huán)阿米巴樣細胞中的一種可凝結蛋白相互作用的結果。 Levin 和 Bang 從洗滌后的阿米巴樣細胞中制備了一種裂解物,該裂解物是內毒素的一種非常敏感的指示劑。 Solum,Young,Levin 和 Prendergast 已經從 LAL 中純化和定性了可凝結蛋白,并且可與內毒素發(fā)生酶促反應。
第一個商業(yè)化 LAL 檢測分析是凝膠分析。 1977 年, FDA (生物學)確定了一個裂解物的參考標準用于確定每批商業(yè)化裂解物的敏感度。他們隨后出版了詳細的實驗室操作流程用于每批裂解物和標準品的比較分析。當前有四種LAL法已經獲得 FDA 的批準。第一種,凝膠法,LONZA的商標名稱為 PYROGENT,是基于內毒素存在的條件下發(fā)生LAL凝結現象的事實。LONZA Kinetic-QCL動態(tài)顯色法鱟試劑(LAL)內毒素檢測試劑盒動態(tài)濁度法內毒素檢測
,LONZA商標名稱為 PYROGENT-5000 ,是一種利用凝膠率來測定內毒素含量的定量LAL法。第三種和第四種方法即顯色法, 美國LONZA公司商標名稱為 QCL-1000 和 Kinetic-QCL ,采用一種在有 LAL 和內毒素的情況下能顯黃色的顯色底物來定量 LAL ,顏色的深淺與內毒素的濃度呈線性相關。
PyroGene 是一種根據重組因子 C 的激活建立的新型內毒素檢測方法,并且不是取自動物血液。
Lonza Walkersville公司已獲得 FDA 的批準認證( No : 1775 )生產制造 LAL內毒素檢測鱟試劑。
§動態(tài)濁度法內毒素檢測檢測原理:革蘭氏陰性細菌中內毒素激活LAL中酶原,已激活的酶催化無色底物Ac-Ile-Glu-Ala-Arg-pNA裂解為肽段和硝基苯胺(pNA)。pNA可以在溫育板分光光度計405nm讀數,根據樣品反應時間和標準物內毒素反應時間可以確定樣品中內毒素濃度。
§美國LONZA Kinetic-QCL動態(tài)顯色法鱟試劑(LAL)內毒素檢測試劑盒結果處理:用微孔板讀數器測出每孔405nm吸光值(相應空白孔作對照)。WinKQCLTM Software自動生成標準物反應時間和標準內毒素濃度log/log線性相關。如果相關系數絕對值≥0.980,則可以建立多項式模型制作標準曲線,計算樣品內毒素濃度。使用WinKQCLTM Software軟件可以線性回歸自動計算出結果,具體計算過程參閱說明書。
LONZA 50-650U需自備物:
? 一次性無內毒素玻璃稀釋管(13x100mm)
? 獨立包裝移液管
? 手提式自動移液管(無菌,獨立包裝)
? 一次性無菌微孔板
? 試劑池(#25-364)
? 8道移液槍
? NaOH或HCl(0.1N),溶解于LAL試劑水用于調節(jié)PH
? 微孔板讀數器
? WinKQCLTM Software
? 計時器和試管振蕩器
美國LONZA 動態(tài)顯色法鱟試劑(LAL)內毒素檢測試劑盒注意事項:
? 所有試驗材料都要確保無內毒素,玻璃器皿和材料可以250℃,30min滅菌處理。
? 調節(jié)樣品PH到6.0-8.0
? 塑料管不建議用于內毒素稀釋
? 說明書如下載不了可以Email或電話咨詢索取
Kinetic Chromogenic LAL Assays 英文簡述:
The Kinetic-QCL? assay is a quantitative, kinetic assay for the detection of Gram negative bacterial endotoxin. A sample is mixed with the LAL/substrate reagent, placed in an incubating plate reader, and monitored over time (via WinKQCL? Software) for the appearance of a yellow color.
It is the chromogenic nature of the Kinetic-QCL? assay that makes it the most appropriate choice for testing small volume parenterals, vaccines, antibiotics and biologicals. The Kinetic-QCL? assay is less impacted by inhibitory products which may interfere with the clotting mechanism in Turbidimetric and Gel Clot assays. With a sensitivity range of 0.005 EU/ml – 50.0 EU/ml, the Kinetic-QCL? assay is the most sensitive of the LAL assays. Multiple samples can be processed at one time in this 96-well format resulting in time savings in a busy laboratory. An incubating plate reader is required to run this assay.
美國LONZA Kinetic-QCL動態(tài)顯色法鱟試劑(LAL)內毒素檢測試劑盒 50-650U產品介紹訂購信息:
上海華雅思創(chuàng)生物科技有限公司在中國代理銷售的內毒素檢測試劑盒-LAL鱟試劑由世界著名公司LONZA美國子公司生產,完全符合美國藥典USP標準。產品詳情盡在干細胞搜網。
LONZA??? 50-506U??? Endotoxin Detection??? EA??? INHIBITION CONTROL 5 VIALS/KIT
LONZA??? 50-647U??? Endotoxin Detection??? EA??? QCL-1000 120 Test Kit內毒素檢測試劑盒
LONZA??? 50-648U??? Endotoxin Detection??? EA??? QCL-1000 300 Test Kit內毒素檢測試劑盒
LONZA??? 50-650H??? Endotoxin Detection??? EA??? Kinetic-QCL Bulk Kit 2400 Test Kit內毒素檢測試劑盒
LONZA??? 50-650NV??? Endotoxin Detection??? EA??? Kinetic-QCL Bulk Kit 2040 Test Kit
LONZA??? 50-650U??? Endotoxin Detection??? EA??? Kinetic-QCL 192 Test Kit內毒素檢測試劑盒
LONZA??? 50-658NV??? Endotoxin Detection??? EA??? Pyrogene Bulk Kit 2880 Test Kit
LONZA??? 50-658U??? Endotoxin Detection??? EA??? PyroGene 192 Test Kit內毒素檢測試劑盒
LONZA??? N183-06??? Endotoxin Detection??? KT??? PYROGENT 80 Tests 0.06 EU/ml Sensitivity
LONZA??? N183-125??? Endotoxin Detection??? KT??? PYROGENT 80 Tests 0.125 EU/ml Sens
LONZA??? N184-25??? Endotoxin Detection??? KT??? PYROGENT 250 Tests 0.25 EU/ml Sens
LONZA??? N186??? Endotoxin Detection??? KT??? Endotoxin, E.coli O55:B5
LONZA??? N188??? Endotoxin Detection??? KT??? Pyrosperse Kit Dispersing Reagent
LONZA??? N189-06??? Endotoxin Detection??? KT??? PYROGENT 25 Single Tests 0.06 EU/ml Sens
LONZA??? N189-125??? Endotoxin Detection??? KT??? PYROGENT 25 Single Tests 0.125 EU/ml Sen
LONZA??? N189-25??? Endotoxin Detection??? KT??? PYROGENT 25 Single Tests 0.25 EU/ml Sens
LONZA??? N190??? Endotoxin Detection??? KT??? Beta-G-Blocker Kit
LONZA??? N194-03??? Endotoxin Detection??? KT??? PYROGENT 250 Tests 0.03 EU/ml Sens
LONZA??? N194-06??? Endotoxin Detection??? KT??? PYROGENT 250 Tests 0.06 EU/ml Sens
LONZA??? N194-125??? Endotoxin Detection??? KT??? PYROGENT 250 Tests 0.125 EU/ml Sens
LONZA??? N201??? Endotoxin Detection??? L??? Pyrogen-Free Test Tubes 10x75mm w/Caps
LONZA??? N205??? Endotoxin Detection??? PKG??? Pyrogen-Free Test Tubes 10x75mm w/oCap
LONZA??? N207??? Endotoxin Detection??? PKG??? Pyrogen-Free Dilution 13x100mm w/oCaps
LONZA??? N283-06??? Endotoxin Detection??? KT??? PYROGENT Plus 64 Tests 0.06 EU/ml Sens
LONZA??? N283-125??? Endotoxin Detection??? KT??? PYROGENT Plus 64 Tests 0.125 EU/ml Sens
LONZA??? N284-25??? Endotoxin Detection??? KT??? PYROGENT Plus 200 Tests 0.25 EU/ml Sens
LONZA??? N288-25??? Endotoxin Detection??? KT??? PYROGENT Plus 4000 Tests 0.25 EU/ml Sens
LONZA??? N289-06??? Endotoxin Detection??? KT??? PYROGENT Plus 24 Single Tests 0.06 EU/ml
LONZA??? N289-125??? Endotoxin Detection??? KT??? PYROGENT Plus 24 Single Tests 0.125EU/ml
LONZA??? N289-25??? Endotoxin Detection??? KT??? PYROGENT Plus 24 Single Tests 0.25 EU/ml
LONZA??? N294-03??? Endotoxin Detection??? KT??? PYROGENT Plus 200 Tests 0.03 EU/ml Sens
LONZA??? N294-06??? Endotoxin Detection??? KT??? PYROGENT Plus 200 Tests 0.06 EU/ml Sens
LONZA??? N294-125??? Endotoxin Detection??? KT??? PYROGENT Plus 200 Tests 0.125 EU/ml Sens
LONZA??? N383??? Endotoxin Detection??? KT??? PYROGENT-5000 100 Test Kit
LONZA??? N384??? Endotoxin Detection??? KT??? PYROGENT-5000 200 Test Kit
LONZA??? N494-03??? Endotoxin Detection??? KT??? PYROGENT Plus 4000 Tests 0.03 EU/ml Sens
LONZA??? N494-06??? Endotoxin Detection??? KT??? PYROGENT Plus 4000 Tests 0.06 EU/ml Sens
LONZA??? N494-125??? Endotoxin Detection??? KT??? PYROGENT Plus 4000 Tests 0.125 EU/ml Sen
LONZA??? N588??? Endotoxin Detection??? KT??? Pyrogent-5000 Bulk Kit 2250 Test Kit
LONZA??? N594-03??? Endotoxin Detection??? KT??? PYROGENT Ultra 200 Tests 0.03 EU/ml Sens
LONZA??? N594-06??? Endotoxin Detection??? KT??? PYROGENT Ultra 200 Tests 0.06 EU/ml Sens
LONZA??? N594-125??? Endotoxin Detection??? KT??? PYROGENT Ultra 200 Tests 0.125 EU/ml Sen
LONZA??? N688??? Endotoxin Detection??? KT??? Pyrogent-5000 Bulk Kit 4500 Test Kit
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