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Competent Cells


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Competent Cells

Competent cells are those that have had their cell walls altered to render it easier to incorporate foreign DNA into their interiors. Cells are made competent by a process that uses calcium chloride and heat shock, and cells that are undergoing very rapid growth are made competent more easily than cells in other stages of growth. Factors such as transformation efficiency, genetic markers, and packaging formats will impact the time and effort required for your project, and so too its success. Choose from a number of cell types and formats to ensure optimal function.


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Supplier:  New England Biolabs (NEB)
Description:   Widely used non-T7 expression E.coli strain.
Small Business Enterprise

Supplier:  New England Biolabs (NEB)
Description:   Enhanced BL21 E.coli derivative, chemically competent E. coli cells suitable for high efficiency transformation and for T7 expression with enhanced re...
Small Business Enterprise

Supplier:  Agilent Technologies
Description:   Protein Expression competent cell packs efficiently test multiple strains for expression.

Supplier:  Agilent Technologies
Description:   ABLE Competent Cells for toxic clones reduce copy number four to ten fold compared to the XL1-Blue strain.

Supplier:  New England Biolabs (NEB)
Description:   NEB 10-beta electrocompetent E. coli cells are optimized for high efficiency transformation by electroporation. These cells are ideal for DNA l...
Small Business Enterprise

Supplier:  New England Biolabs (NEB)
Description:   Chemically competent E. coli cells suitable for T7 protein expression with enhanced capacity to correctly fold proteins with multiple disulfide...

Supplier:  Agilent Technologies
Description:   SCS110 competent cells for generating unmethylated DNA improve quality and yield of miniprep DNA.
Supplier:  Lucigen
Description:   E. cloni* EXPRESS BL21(DE3) Electrocompetent Cells (? 5 x 109 cfu/ug) are perfect for everyday protein expression and offer the best value available from any supplier. Packaged in two transformations per tube (DUOs) for convenience. 24 rxns.
Supplier:  Lucigen
Description:   Lucigen’s E. cloni competent cells share the most useful genetic elements of standard cloning strains like DH5α™, DH10B™, JM109, TOP10, etc. and direc...
Supplier:  MilliporeSigma
Description:   Designed for convenience and reliability for high efficiency plasmid transformation
MSDS SDS
Supplier:  MilliporeSigma
Description:   A common method for transformation of plasmids into E. coli is the use of chemically competent cells. Although competent cells can be prepared in the ...
MSDS SDS
Supplier:  MilliporeSigma
Description:   A common method for transformation of DNA plasmids into E. coli is the use of chemically competent cells. Although competent cells can be prepa...
MSDS SDS
Supplier:  MilliporeSigma
Description:   A common method for transformation of plasmids into <italic>E
Supplier:  MilliporeSigma
Description:   A common method for transformation of plasmids into E
MSDS SDS

Supplier:  MilliporeSigma
Description:   Rosetta™ 2 host strains are BL21 derivatives designed to enhance the expression of eukaryotic proteins that contain codons rarely used in E. coli.<...
Supplier:  MilliporeSigma
Description:   NovaBlue Competent Cells are designed for convenient and reliable plasmid transformation
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
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