
Thermo Scientific™ DH5α Competent Cells
Chemically competent E. coli cells recommended for routine subcloning into plasmid vectors. Subcloning efficiency cells are not suitable for the generation of cDNA libraries.

Invitrogen™ One Shot™ TOP10 Chemically Competent E. coli
One Shot TOP10 Chemically Competent E. coli are ideal for high-efficiency cloning and plasmid DNA propagation and are provided at a transformation efficiency of 1 x 109 cfu/ÎĽg plasmid DNA.

Shipping Condition | Dry Ice |
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Blue/White Screening | Yes (lacZΔM15) |
Cloning Methylated DNA | Yes (mcrA) |
Transformation Efficiency Level | High Efficiency (>1 x 109 cfu/ÎĽg) |
High-throughput Compatibility | Low |
Improves Plasmid Quality | Yes (endA1) |
Preparing Unmethylated DNA | No |
Plasmid | High Copy Plasmid |
Reduces Recombination | Yes (recA1) |
T1 Phage - Resistant (tonA) | No |
Antibiotic Resistance Bacterial | Yes (Streptomycin) |
Format | Tube |
Product Type | Chemically Competent Cells |
Species | E. coli (K12) |
Product Line | One Shot™ |
Contains F' Episome | No |
Thermo Scientific™ pBR322 Plasmid DNA
Optimize cloning with Thermo Scientific™ pBR322 DNA, a 4361 bp double-stranded closed circular medium copy plasmid DNA.

Invitrogen™ One Shot™ ccdB Survival™ 2 T1R Competent Cells
One Shot ccdB Survival 2 T1R Competent Cells are suitable for the propagation of plasmids containing the ccdB gene and are designed for use with the Gateway Vector Conversion System and for propagating Gateway destination, donor, and supercoiled entry vectors.

Invitrogen™ Library Efficiency™ DH5α Competent Cells
Library Efficiency DH5α Competent Cells are a versatile strain of chemically competent cells that are used in many everyday cloning applications.

Invitrogen™ MAX Efficiency™ DH10Bac Competent Cells
Capable of supporting site-specific recombination between pFastBac™ and bMON14272

Invitrogen™ Phospha-Light™ SEAP Reporter Gene Assay System
Chemiluminescent reporter gene assay for sensitive detection of secreted human placental alkaline phosphatase used as a reporter protein.

Content And Storage | This kit contains the substrate, required buffers, enhancer, and control Placental Alkaline Phosphatase. Store the product at 4°C. |
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Form | Liquid |
Readout | End Point |
Compatible Cells | Mammalian Cells |
Target Enzyme | Alkaline Phosphatase |
Substrate Type | AP (Alkaline Phosphatase) Substrate |
For Use With (Application) | Enzyme Assay |
High-throughput Compatibility | High-throughput Compatible |
Detection Method | Chemiluminescence |
Substrate | CSPD™ |
Assay | Reporter Assay |
Substrate Properties | Chemical Substrate |
For Use With (Equipment) | Luminometer (Microplate) |
Product Type | Secreted Human Placental Alkaline Phosphatase Reporter Gene Assay System |
Sample Type | Cell Cultures |
Label or Dye | Unconjugated |
Product Line | NovaBright™, Phospha-Light™ |
Invitrogen™ One Shot™ TOP10F' Chemically Competent E. coli
One Shot TOP10F' Chemically Competent E. coli are identical to TOP10 cells, with the addition of an F' episome.

Shipping Condition | Dry Ice |
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Blue/White Screening | Yes (lacZΔM15) |
Cloning Unstable DNA | Not suitable for cloning unstable DNA |
Cloning Methylated DNA | Yes (mcrA) |
Transformation Efficiency Level | High Efficiency (>1 x 109 cfu/ÎĽg) |
High-throughput Compatibility | Low |
Improves Plasmid Quality | Yes (endA1) |
Promoter | Trc, Tac, Lac |
Preparing Unmethylated DNA | No |
Reduces Recombination | Yes (recA1) |
T1 Phage - Resistant (tonA) | No |
Antibiotic Resistance Bacterial | Yes (Streptamycin, Tetracycline) |
Format | Tube |
Product Type | Chemically Competent Cells |
Species | E. coli (K12) |
Product Line | One Shot™ |
Contains F' Episome | Yes |
Invitrogen™ MAX Efficiency™ DH5α Competent Cells
MAX Efficiency™ DH5α Competent Cells are a well-known, versatile strain that is used in many everyday cloning applications. Prepared by a proprietary modification of the Hanahan method, these cells are suitable for high efficiency transformations in applications where low amount of DNA is used or to construct libraries using plasmid-derived vectors.

Invitrogen™ ElectroMAX™ Stbl4™ Competent Cells
ElectroMAX Stbl4 Competent Cells are specifically designed for cloning unstable inserts. This strain is a derivative of Stbl2 cells (engineered from JM109/J5 strain).

Invitrogen™ One Shot™ PIR1 Chemically Competent E. coli
One Shot PIR1 Chemically Competent E. coli cells are for use with vectors that contain the R6KÎł origin of replication (e.g., pUni/V5-His-TOPO for recombination with an Echo cloning system).

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.

Invitrogen™ One Shot™ MAX Efficiency™ DH5α-T1R Competent Cells
One Shot MAX Efficiency DH5α-T1R Competent Cells are derived from the popular DH5α strain and carry the tonA (fhuA) mutation that confers resistance to T1 and T5 phage.

Thermo Scientific™ DH5α Competent Cells; High Efficiency
High efficiency, chemically competent E. coli cells ideal for construction of gene banks or generation of cDNA libraries using plasmid-derived vectors
Invitrogen™ Subcloning Efficiency™ DH5α Competent Cells
Subcloning Efficiency DH5α Competent Cells are a versatile, chemically competent strain for cloning that provides a transformation efficiency of >1 x 106 cfu/μg plasmid DNA.