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NEB T7 表达晶体 E.coli 感受态细胞 20×0.05ml /T7 Express Crystal Competent E.coli(High Efficiency)
来自 : 发布时间:2024-04-28
主页试剂和分子生物学产品 DNA 修饰酶和克隆技术产品激酶产品\"DNA 激酶产品列表产品概览 选择产品:激酶激酶激酶Close5-羟甲基尿苷 DNA 激酶CloseT4 多核苷酸激酶CloseT4 多核苷酸激酶(3\' 磷酸酶负)CloseT4 多核苷酸激酶反应缓冲液提交补货订单不合格的项目已添加到购物车

基于在您的 Freezer Program 类型上,您正尝试将不允许或不允许使用购物车现有内容的产品添加到购物车。请相应地检查并更新您的订单 如果您有任何疑问,请通过 freezers@neb.com 或 1-800-632-5227 x 8 联系客户服务。

继续主页研究实验室卡洛实验室卡洛实验室项目通过基于唾液的 SARS-CoV-2 检测让你的鼻子远离它通过基于唾液的 SARS-CoV-2 检测让你的鼻子远离它

管理 Covid-19 大流行需要广泛和频繁测试。人们对使用唾液作为鼻咽样本的替代品来诊断 SARS-CoV-2 感染非常感兴趣。唾液的收集不需要专门的人员或材料,患者可以轻松提供。我们开发了一种简单、快速、灵敏的基于唾液的检测方法,该方法需要最少的样品处理和简单的设备。热灭活后,RNA 迅速释放并稳定下来,随后进行逆转录环介导等温扩增 (RT-LAMP) 并使用比色或荧光读数检测阳性结果。该测试具有 100% 的特异性和 95% 的灵敏度,检测限与市售的实时 RT-PCR-ba 相当sed 诊断。该方法已在 CLIA 实验室环境中实施,用于工作场所监测和报告。

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主页工具与资源使用指南同位素数据同位素数据同位素粒子发射半衰期14Cβ5,730 年 3Hβ12.3 年 125Iγ 60 天 32Pβ14.3 天 33Pβ25 天 35Sβ87.4 天 1 Ci=1,000 mCi1 mCi=1,000 µCi1 µCi=2.2 X 106 崩解/分钟 1 贝克勒尔 = 1 崩解/second1 µCi=3.7 X 104 贝克勒尔1 贝克勒尔=2.7 X 10-5 µCi主页表格国际冷冻计划申请表国际冷冻计划申请表

联系信息

HomeResearch LabsSamuelson LabSamuelson Lab改善人 Fbs 的 N-糖肽结合特性改善人 Fbs1 的 N-糖肽结合特性

应用了一种新的质粒展示方法来消除对唾液酸化 N-聚糖的偏倚。由此产生的 FbsI-GYR 蛋白现在能够从复杂的生物样品中无偏地结合和富集 N-糖肽。\"\"

用于选择改进结合亲和力的质粒展示Fbs1

陈, M., Shi, X., Duke, R.M., Ruse, C.I., Dai, N., Taron, C.H.和 Samuelson, J.C (2017) 一种工程化的高亲和力 Fbs1 碳水化合物结合蛋白,用于选择性捕获 N-聚糖和 N-糖肽。Nat。公社。 PMID: 28534482

产品描述

1)晶体学和 SeMet 标记的理想选择

2BL21 源增强型菌株

3)无动物来源产品

4)抗 T1 噬菌体感染(fhuA2

概述:T7 表达晶体 E.coli 感受态细胞适用于高效转化和蛋白表达,专用于 X 射线结晶学研究。非常适合于对蛋白进行硒代蛋氨酸标记。

基因型:fhuA2 lacZ::T7 gene1 [lon] ompT gal sulA11R(mcr-73::miniTn10--TetS)2 [dcm] R(zgb-210::Tn10--TetS) endA1metB1 (mcrC-mrr)114::IS10

特性:

1T7 Express 的衍生物,T7 RNA 聚合酶位于染色体上并受 lac 调控

2Lon OmpT 蛋白酶缺失

转化效率:

高效级:0.61 x 109 cfu/μg pUC19 DNA

未被转化的细胞需要检测抗 Φ80 噬菌体感染的能力,这是检测抗 T1 噬菌体感染能力的标准检测法。此外,未转化细胞还要检测其对氨苄青霉素、氯霉素、卡那霉素、链霉素和四环素的敏感性。

随产品提供:

20ml SOC Outgrowth 培养基 (室温贮存)

0.025 ml 50 pg/μl pUC19 对照 DNA(–20 °C 贮存)

注意事项:感受态细胞应贮存于 –80°C,一旦融化,就不能再被冻存。 –20°C 贮存会显著降低其转化效率。只要温度高于 –80°C,即使未被融化,细胞转化效率也会降低为零。

本文链接: http://neb.immuno-online.com/view-1357247210.html

发布于 : 2024-04-28 阅读()
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