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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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Catalog Number: ST200238
Supplier: Agilent Technologies



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Catalog Number: ST200158
Supplier: Agilent Technologies



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Catalog Number: ST230255
Supplier: Agilent Technologies



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Catalog Number: ST200247
Supplier: Agilent Technologies



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Catalog Number: ST200235
Supplier: Agilent Technologies



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Description:   NEB Stable competent E.coli (high efficiency)
Catalog Number: 102877-612
Supplier: New England Biolabs (NEB)


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Catalog Number: ST200249
Supplier: Agilent Technologies



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Catalog Number: ST230245
Supplier: Agilent Technologies



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Catalog Number: ST230192
Supplier: Agilent Technologies



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Description:   6x0.2 ml
Catalog Number: 101417-904
Supplier: New England Biolabs (NEB)


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Description:   Bl21 competent e.coli - 20x0.05 ml
Catalog Number: 101640-798
Supplier: New England Biolabs (NEB)


Small Business Enterprise

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Catalog Number: ST230191
Supplier: Agilent Technologies



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Catalog Number: ST200151
Supplier: Agilent Technologies



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Catalog Number: ST200133
Supplier: Agilent Technologies



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Description:   6x0.2 ml
Catalog Number: 101417-910
Supplier: New England Biolabs (NEB)


Small Business Enterprise

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Description:   Reduces The Number Of Common Cloning Vectors 10-Fold. 5 X 0.2-Ml.
Catalog Number: 99900-290
Supplier: Agilent Technologies



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Description:   Optimize your protein expression experiments for full length and high level expression by cloning into our variety pack of BL21 Competent Cells. 1 Kit
Catalog Number: 99900-854
Supplier: Agilent Technologies



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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.
Catalog Number: 89005-022
Supplier: Lucigen



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Description:   E. cloni* 10G ELITE Electrocompetent Cells (>2 x 1010 cfu/¦g) provide large numbers of transformants, even from hard-to-clone or limited DNA. Packaged in two transformations per tube (DUOs) for convenience. 24 rxns.
Catalog Number: 89002-660
Supplier: Lucigen



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Description:   22 reaction kit. Includes Test Plasmid and SOC Medium. Widely used host for protein expression from pET recombinants. Suitable for production of protein from target genes cloned in pET vectors by induction with IPTG. Deficient in both lon and ompT proteases.
Catalog Number: 80030-836
Supplier: MilliporeSigma



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Catalog Number: 16003-990
Supplier: MilliporeSigma



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Catalog Number: 82601-996
Supplier: MilliporeSigma



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Catalog Number: 16003-934
Supplier: MilliporeSigma



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Description:   pET Host Strain Glycerol Stocks. All pET System host strains* are available separately as standard glycerol stocks. The most widely used strains are also available as pretested competent cells, ready for transformation (see following page).
Catalog Number: 80030-050
Supplier: MilliporeSigma



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Catalog Number: 82601-916
Supplier: MilliporeSigma



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Description:   11 rxn. Efficiency>1x10(9th) cfu/ug. K-12 strain ideally suited as initial cloning host due to high transformation efficiency, blue-white screening capability & recA endA mutations. Single-use 50-µl volume. Include SOC Medium and Test Plasmid.
Catalog Number: 80601-638
Supplier: MilliporeSigma



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Catalog Number: 80109-916
Supplier: MilliporeSigma



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Catalog Number: 16003-950
Supplier: MilliporeSigma



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Description:   pET Host Strain Glycerol Stocks. All pET System host strains* are available separately as standard glycerol stocks. The most widely used strains are also available as pretested competent cells, ready for transformation (see following page).
Catalog Number: 80030-328
Supplier: MilliporeSigma



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Catalog Number: 95057-474
Supplier: Lucigen



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Description:   OverExpress C41(DE3) Chemcomp Cells (? 1 x 106 cfu/ug) are derivatives of BL21(DE3) strains that express toxic proteins. Packaged in one transformation per tube (SOLOs) for convenience. 12 rxns.
Catalog Number: 89027-134
Supplier: Lucigen



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Description:   CopyCutter* Induction Solution, Prepare unbiased fosmid libraries of approximately 40 kb that can be maintained at single-copy number and induced to high-copy number as needed when grown in the TransforMax EC300 E. Coli, Size: 25 ml
Catalog Number: 75927-888
Supplier: Lucigen



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Description:   Deliver 2 x 1010 cfu/µg. TG1 high-efficiency electrocompetent cells are suitable for general cloning, ssDNA phage display, M13 phage work, blue/white screening and protein expression. 12 reactions.
Catalog Number: 95040-450
Supplier: Lucigen



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Description:   E. cloni* 10G SUPREME Electrocompetent Cells (>4 x 1010 cfu/¦g) have the highest transformation efficiency available anywhere for the most demanding cloning applications. Packaged in one transformation per tube (SOLOs) for convenience. 12 rxns.
Catalog Number: 95024-012
Supplier: Lucigen



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Catalog Number: 16003-864
Supplier: MilliporeSigma



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Description:   E. cloni* 10G ELITE Electrocompetent Cells (>2 x 1010 cfu/¦g) provide large numbers of transformants, even from hard-to-clone or limited DNA. Packaged in six transformations per tube (SixPacks) for convenience. 48 rxns.
Catalog Number: 89002-664
Supplier: Lucigen



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Description:   pET Host Strain Glycerol Stocks. All pET System host strains* are available separately as standard glycerol stocks. The most widely used strains are also available as pretested competent cells, ready for transformation (see following page).
Catalog Number: 80030-340
Supplier: MilliporeSigma



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Description:   pET Host Strain Glycerol Stocks. All pET System host strains* are available separately as standard glycerol stocks. The most widely used strains are also available as pretested competent cells, ready for transformation (see following page).
Catalog Number: 80030-322
Supplier: MilliporeSigma



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Description:   pET Host Strain Glycerol Stocks. All pET System host strains* are available separately as standard glycerol stocks. The most widely used strains are also available as pretested competent cells, ready for transformation (see following page).
Catalog Number: 80030-336
Supplier: MilliporeSigma



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Catalog Number: 80109-908
Supplier: MilliporeSigma



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Description:   E. cloni* 10GF' ELITE Electrocompetent Cells (>2 x 1010 cfu/¦g) provide large numbers of transformants and production of ssDNA. Packaged in two transformations per tube (DUOs) for convenience. 12 rxns.
Catalog Number: 89002-666
Supplier: Lucigen



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Description:   22 reaction kit. Includes Test Plasmid and SOC Medium. For general cloning purposes. Has extremely high transformation efficiency, blue/white screening of recombinants by lacZ alpha-complementation, endA and recA mutations, and F factor to support M13 growth.
Catalog Number: 80030-754
Supplier: MilliporeSigma



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Catalog Number: 89428-538
Supplier: Lucigen



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Description:   E. cloni* 10G CLASSIC Electrocompetent Cells (? 5 x 109 cfu/¦g) are the most economical choice for standard cloning and library construction. Packaged in six transformations per tube (SixPacks) for convenience. 24 rxns.
Catalog Number: 89002-684
Supplier: Lucigen



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Description:   pET Host Strain Glycerol Stocks. All pET System host strains* are available separately as standard glycerol stocks. The most widely used strains are also available as pretested competent cells, ready for transformation (see following page).
Catalog Number: 80030-330
Supplier: MilliporeSigma



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Description:   TransforMax* EC100D* pir+Electrocompetent E. Coli, rescue cloning of DNA transposed using the EZ-Tn5* <R6KYori/KAN-2> Insertion kit or EZ-Tn5* <R6KYori/KAN-2>TNP Transposome*, 15 rescue plasmid copies per cell, Size: 5 x 100 ul
Catalog Number: 75927-934
Supplier: Lucigen



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Catalog Number: 71003-028
Supplier: Lucigen



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Catalog Number: 89428-536
Supplier: Lucigen



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Description:   Versatile and useful in a wide variety of applications including routine cloning, subcloning and plasmid isolation with or without blue/white screening. 24 reactions.
Catalog Number: 95040-456
Supplier: Lucigen



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Catalog Number: 16003-962
Supplier: MilliporeSigma



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Description:   22 rxn. Efficiency>1x10(9th) cfu/ug. K-12 strain ideally suited as initial cloning host due to high transformation efficiency, blue-white screening capability & recA endA mutations. Single-use 50-µl volume. Include SOC Medium and Test Plasmid.
Catalog Number: 80601-640
Supplier: MilliporeSigma



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Description:   NovaBlue is a general purpose strain featuring high transformation efficiency, blue/white screening, high plasmid yields, and single stranded plasmid rescue.
Catalog Number: 80030-482
Supplier: MilliporeSigma



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Catalog Number: 80509-790
Supplier: MilliporeSigma



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Catalog Number: 80509-788
Supplier: MilliporeSigma



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Description:   They are ultra-high efficiency cells for Phage Display or general cloning applications.
Catalog Number: 89260-196
Supplier: Lucigen



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Description:   Component of the Expresso* T7 Cloning and Expression Systems and are used for construction of clones in the pETite vectors.
Catalog Number: 89171-612
Supplier: Lucigen



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Description:   11 reaction kit with Test Plasmid and SOC Medium. Host for protein expression from pET recombinants. For production of protein from target genes cloned in pET vectors by induction with IPTG. Deficient in lon and ompT proteases. pLysS expresses T7 lysozyme.
Catalog Number: 80030-838
Supplier: MilliporeSigma



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Description:   OverExpress* C41(DE3) pLysS Chemcomp Cells (? 1 x 109 cfu/ug) are derivatives of BL21(DE3) strains used to express toxic proteins. The pLysS offers the most control over protein expression. Packaged in one transformation per tube (SOLOs) for convenience. 12 rxns.
Catalog Number: 89027-138
Supplier: Lucigen



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Catalog Number: 16003-960
Supplier: MilliporeSigma



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Description:   TransforMax* EPI300* Electrocompetent E. Coli, tandard cloning for large inserts and Gibson assembly electroporation, Clone large inserts and transform large plasmids, high transformation efficiencies >1 x 1010 cfu/ug, Size: 10 X 100 ul
Catalog Number: 75927-928
Supplier: Lucigen



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Description:   Provide An Economical Option For Simple Cloning, Subcloning, And Plasmid Isolation With Or Without Blue/White Screening. Substitute For Commonly Used Strains Such As Dh5A, Dh10B, Jm109Etc.
Catalog Number: 95062-660
Supplier: Lucigen



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Description:   TransforMax* EC100D* pir-116 Electrocompetent E. Coli, Each is supplied with 10 ul (100 pg/ul) of pR6Kan Control DNA in TE Buffer, 16 cells enable propagation of up to 250 rescue plasmid copies per cell, Size: 5 x 100 ul
Catalog Number: 75927-932
Supplier: Lucigen



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Description:   OverExpress C43(DE3) Chemcomp Cells (? 1 x 106 cfu/ug) are derivatives of BL21(DE3) strains that express toxic proteins. Packaged in one transformation per tube (SOLOs) for convenience. 12 rxns.
Catalog Number: 89027-142
Supplier: Lucigen



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Description:   CopyControl* Induction Solution Prepare unbiased fosmid libraries of approximately 40 kb that can be maintained at single-copy number and induced to high-copy number as needed when grown in the TransforMax EC300 E. Coli, Size: 25 ml
Catalog Number: 75927-886
Supplier: Lucigen



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