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Competent Cells

Chemically modified bacterial cells capable of uptaking DNA from the environment via transformation. Competent cultures of E. coli are used in the lab for various procedures including cloning, protein expression, and genetic library creation.
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106 – 120 of 364 results
106

Invitrogen™ Tali™ Cell Cycle Kit

Convenient and accurate determination of the percentage of cells in each phase of the cell cycle

ENCOMPASS_PREFERRED
107

MilliporeSigma™ Novagen™ Tuner™ Competent Cells

Tuner host strains are lacZY deletion mutants of BL21, which enable adjustable levels of protein expression throughout all cells in a culture.

Content And Storage ≤-70°C
Efficiency Guaranteed efficiency: >2 x 106 cfu/μg
108

MilliporeSigma™ Novagen™ Rosetta™ (DE3) pLacI Competent Cells

Rosetta strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. coli. Contains the pLacI plasmid producing extra Lac repressor.

Content And Storage ≤-70°C
109

MilliporeSigma™ Novagen™ HT96™ BL21(DE3) Competent Cells

High-efficiency competent cells predispensed in 96-well plate for high-throughput applications

Content And Storage Store HT96 Competent Cells, SOC Medium and Test Plasmid at -70°C or below. Store Cap Strips, Plate Lids and Reagent Reservoirs at room temperature
Efficiency > 2 x 106CFU/μg
For Use With (Application) For high-throughput transformation
110

MilliporeSigma™ Novagen™ Rosetta-gami™ 2 (DE3) pLysS Competent Cells

Rosetta-Gami 2 host strains allows for enhanced disulfide bond formation and enhanced expression of eukaryotic proteins. T7 lysozyme expression suppresses basal T7 expression.

111

MilliporeSigma™ Novagen™ Rosetta-gami™ 2 Competent Cell Set

Novagen's Rosetta™ 2 host strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. Coli.

112

MilliporeSigma™ Novagen™ Rosetta-gami™ B Competent Cell Set

Rosetta-gami B strains combine the key features of BL21, Origami, and Rosetta to enhance the expression of eukaryotic proteins. Contains the pLacI plasmid producing extra Lac repressor.

113

MilliporeSigma™ Novagen™ Rosetta-gami™ B (DE3) pLysS Competent Cells

Rosetta-gami B strains combines the key features of BL21, Origami, and Rosetta to enhances the expression of eukaryotic proteins. T7 lysozyme expression suppresses basal T7 expression.

Content And Storage ≤-70°C
Efficiency Guaranteed efficiency: >1 x 106 cfu/μg
114

MilliporeSigma™ Novagen™ Rosetta-gami™ 2 (DE3) Competent Cells

Rosetta-Gami 2 host strains allows for enhanced disulfide bond formation and enhanced expression of eukaryotic proteins that contain codons rarely used in E. coli.

Content And Storage ≤-70°C
Efficiency Guaranteed efficiency: >2 x 106 cfu/μg
115

MilliporeSigma™ Novagen™ Rosetta-gami™ 2 Competent Cells

Rosetta-Gami 2 host strains allows for enhanced disulfide bond formation and enhanced expression of eukaryotic proteins that contain codons rarely used in E. coli.

Content And Storage ≤-70°C
Efficiency Guaranteed efficiency: >2 x 106 cfu/μg
116

MilliporeSigma™ Novagen™ Rosetta™ 2(DE3)pLysS Singles™ Competent Cells
GSA_VA

Novagen's Rosetta™ 2 host strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. Coli.

Content And Storage ≤-70°C
Efficiency Guaranteed efficiency: >2 x 106 cfu/μg
117

MilliporeSigma™ Novagen™ NovaBlue Competent Cells

NovaBlue is a K-12 strain ideally suited as an initial cloning host due to its high transformation efficiency, blue/white screening capability (with appropriate plasmids) and recA endA mutations.

118

MilliporeSigma™ Novagen™ Rosetta™ (DE3) pLysS Competent Cells

Rosetta host strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. coli. T7 lysozyme expression suppresses basal T7 expression.

Content And Storage ≤-70°C
119

MilliporeSigma™ Novagen™ Rosetta™ (DE3) Competent Cells
GSA_VA

Rosetta host strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. coli.

Content And Storage ≤-70°C
120

MilliporeSigma™ Novagen™ Rosetta™ Blue Competent Cells

RosettaBlue host strains are NovaBlue derivatives that combine high transformation efficiency and with enhanced expression of eukaryotic proteins that contain codons rarely used in E. coli.

Content And Storage ≤-70°C
Efficiency Guaranteed efficiency: >1 x 106 cfu/μg