accessibility menu, dialog, popup

UserName
Viewing profile as user:

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.
Format 
  • (5)
  • (13)
  • (1)
  • (1)
  • (47)
  • (2)
  • (13)
Species 
  • (26)
  • (8)
  • (39)
  • (3)
  • (3)
Promoter 
  • (2)
  • (8)
  • (2)

Filtered Search Results

Products from some of our suppliers do not display in filtered search results. Please clear all filters to see these products.

Narrow Results

Narrow Results

category

special offers

  • (60)

brands

  • (8)
  • (1)
  • (1)
  • (2)
  • (1)
  • (3)
  • (4)
  • (1)
  • (1)
  • (1)
  • (7)
  • (1)
  • (7)
  • (6)
  • (1)
  • (2)
  • (1)
  • (1)
  • (12)
  • (1)
  • (2)
  • (4)
  • (1)
  • (177)
  • (1)
  • (66)
  • (1)
  • (1)
  • (5)
  • (112)
  • (3)
  • (1)
  • (1)
  • (25)
  • (1)
  • (3)
  • (2)
  • (2)
  • (1)
  • (2)
  • (1)
  • (4)
  • (4)
  • (1)
  • (1)
  • (13)

special interests

  • (9)
  • (43)
  • (2)
  • (1)
  • (269)

Format

  • (5)
  • (13)
  • (1)
  • (1)
  • (47)
  • (2)
  • (13)

Species

  • (26)
  • (8)
  • (39)
  • (3)
  • (3)

Promoter

  • (2)
  • (8)
  • (2)

Search Within Results
Keyword Search:
106 – 120 of 581 results
106

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

Rosetta-gami B strains combine the key features of BL21, Origami, and Rosetta to enhance both the expression of eukaryotic proteins and the formation of target protein disulfide bonds.

Content And Storage ≤-70°C
Efficiency Guaranteed efficiency: >1 x 108 cfu/μg
107

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
108

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.

109

Invitrogen™ Tali™ Cell Cycle Kit

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

ENCOMPASS_PREFERRED
110

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
111

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
112

MilliporeSigma™ Novagen™ Rosetta-gami™ B Competent Cells

Rosetta-gami B strains combine the key features of BL21, Origami, and Rosetta to enhance both the expression of eukaryotic proteins and the formation of target protein disulfide bonds.

Content And Storage ≤-70°C
113

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

BL21(DE3) is a chemically competent E. coli cell suitable for transformation and high level protein expression using a T7 RNA polymerase-IPTG induction system.

Content And Storage ≤-70°C
Efficiency Guaranteed efficiency: >2 x 107 cfu/μg
114

MilliporeSigma™ Novagen™ Rosetta™ Competent Cells

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
Efficiency Guaranteed efficiency: >2 x 106 cfu/μg
115

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
116
Promotions Available

Invitrogen™ MAX Efficiency™ DH10B Competent Cells

MAX Efficiency DH10B Competent Cells are highly efficient E. coli suitable for a variety of molecular biology applications. This strain is one of the most commonly used strains for everyday applications due to key strain features such as high transformation efficiency.

ENCOMPASS_PREFERRED
117

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
118

MilliporeSigma™ Novagen™ Rosetta™ 2 Competent Cells

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
119

MilliporeSigma™ Novagen™ Veggie NovaBlue Singles™ Competent Cells

Produces high-quality plasmid DNA

Content And Storage ≤-70°C
Efficiency Guaranteed efficiency: >1.5 x 108 cfu/μg
120
Promotions Available

Invitrogen™ MultiShot™ StripWell BL21 Star™ (DE3) Competent Cells

MultiShot StripWell BL21 Star (DE3) chemically competent E. coli cells are cloning competent cells designed for applications that require high-level expression of non-toxic recombinant proteins from low copy number, T7 promoter-based expression systems.

ENCOMPASS_PREFERRED