Lyophilized QC Organisms

Preparations of identified strains of microorganisms manufactured at predetermined concentrations for versatile laboratory testing requirements. Ideal for use in quality assurance testing.

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136 – 150 of 295 results

136

Cayman Chemical METONITAZENE CRM

NC3848184 METONITAZENE CRM

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137

General Laboratory Products GENERAL LABORATORY PRODUCTS INC

NC3993286 SALINE 0.85 - 9.9 ML 100/CS

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138

INTACT GENOMICS INC Staphylococcus aureus (S. aureus) RN4220 Electrocompetent Cells 10x50µl

Intact Genomics (ig®) Staphylococcus aureus (S. aureus) RN4220 Electrocompetent Cells offer high transformation efficiencies, suitable for studies involving virulence, resistance, and metabolism. This RN4220 strain is restriction deficient due to a mutation in the sau1 hsdR genes, making it an effective intermediate cloning host.

High transformation efficiencies for cloning and various applications.
Restriction deficient (sau1 hsdR gene mutation).
Competent cell type: Electrocompetent.
Species: S. aureus.
Strain: RN4220.
Format: Tubes.
Transformation efficiency: ≥1 x 10⁵ cfu/μg DNA.
No blue/white screening.
Shipping condition: Dry ice.
Storage: -80 °C for cells, 4 °C for recovery medium.
Biosafety Level 2.