Competent Cells
Invitrogen™ ElectroMAX™ DH10B Cells
ElectroMAX DH10B Cells are electrocompetent E. coli cells offering the highest transformation efficiencies of >1 x 1010 cfu/μg plasmid DNA.
Invitrogen™ One Shot™ BL21(DE3) Chemically Competent E. coli
One Shot BL21(DE3) Chemically Competent E. coli cells are ideal for use with bacteriophage T7 promoter-based expression systems such as pRSET and pET.
MilliporeSigma™ Novagen™ NovaBlue Singles™ Competent Cells
NovaBlue Singles Competent Cells are designed for ultimate convenience and reliability in plasmid transformation.
Invitrogen™ BL21 Star™ (DE3)pLysS One Shot™ Chemically Competent E. coli
One Shot BL21 Star (DE3)pLysS Chemically Competent E. coli are cells designed for applications that require high-level expression of non-toxic recombinant proteins from low or high copy number vectors, such as pRSET and pET.
MilliporeSigma™ Novagen™ BL21 Competent Cells
BL21 host strain is the most widely used host background and has the advantage of being deficient in both lon and ompT proteases.
MilliporeSigma™ Novagen™ NovaBlue(DE3) 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.
MilliporeSigma™ Novagen™ BL21(DE3) Competent Cells
Achieve greater efficiency, reproducibility and convenience with Novagen prepared 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.
MilliporeSigma™ Novagen™ Rosetta™ 2(DE3)pLysS Singles™ 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.
Invitrogen™ TOP10F' Electrocomp™ Kit
TOP10F' Electrocomp Kit E. coli cells are identical to TOP10 cells, with the addition of an F' episome.
Invitrogen™ One Shot™ OmniMAX™ 2 T1R Chemically Competent E. coli
The One Shot OmniMAX 2 T1R E. coli strain is an improved chemically competent cell line that can achieve extremely high transformation efficiency of >5 x 109 transformants/μg pUC19 DNA. It offers the highest transformation efficiency of any chemically competent cells in a One Shot format.
Invitrogen™ MultiShot™ FlexPlate TOP10 Competent Cells
MultiShot FlexPlate TOP10 chemically competent E. coli cells are cloning competent cells that are pre-aliquoted in a 96-well PCR plate to increase transformation productivity.
Invitrogen™ MultiShot™ BL21(DE3) Chemically Competent E. coli Cells, FlexPlate
MultiShot BL21(DE3) Chemically Competent E. coli Cells offer high-efficiency protein expression in a flexible 96-well format. Breakable into 8-well strips, it enables convenient, scalable workflows for recombinant protein production and parallel cloning experiments.
Gibco™ Expi293™ Met (–) Expression Medium
Expi293 Met (–) Expression Medium is a cGMP-manufactured, chemically defined, serum-free, protein-free, animal origin-free, methionine-free medium for growth and transfection of Expi293F cells.
Invitrogen™ ElectroMAX™ DH5α-E Competent Cells
ElectroMAX DH5α-E Competent Cells are derived from the DH5α strain and are suitable for transformation by electroporation.
Invitrogen™ MAX Efficiency™ DH5αF'IQ Competent Cells
MAX Efficiency DH5αF'IQ Competent Cells are high transformation efficiency chemically competent cells prepared by a patented modification of the procedure of Hanahan. This strain is a derivative of the DH5α strain, sharing the same benefits.