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- Nucleic Acid Analysis
- Protein Analysis
- Biochemical Reagents
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Enzymes
- Thermophilic DNA Polymerases
- Mesophilic DNA Polymerases
- Restriction Endonucleases
- Reverse Transcriptase and RNA Polymerases
- DNA/RNA Ligases
- RNases
- Proteases
- Nucleases
- Kinases
- Phosphatases and Sulfurylases
- DNA Repair Proteins
- Single-Stranded DNA Binding Proteins
- Chaperon Proteins and Disulfide Bond Isomerase
- Gene editing
- Molecular cloning
- Clinical diagnostics
- Laboratory instruments
- Software
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Description
TWEEN 20 helps to prevent non-specific antibody binding in enzyme immunoassay as a washing agent (e.g. Western blots and ELISAs). In this major application, it is dissolved in Tris-Buffered Saline or Phosphate buffered saline at dilutions of 0.05% to 0.5% v/v. These buffers are used for washes between each immunoreactions, to remove unbound immunologicals, and eventually for incubation solutions of immunoreagents (labeled antibodies) to reduce unspecific background.
Applications
- Saturates binding sites on surfaces (i.e. to coat polystyrene microplates, generally combined to proteins such as BSA).
- Stabilize proteins purified in protein derivative (PPD) solution used in skin testing for tuberculosis exposure
- As a solubilizing agent of membrane proteins
- Lysing mammalian cells, at a concentration of 0.05% to 0.5% v/v, generally combined to other detergents, salts and additives.
Recommended Storage Condition: room temperature
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