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截留分子量为3K，10K，30K，50K，100K几种。每种包装规格有8个 24个 96个。

• High recovery Ultracel regenerated cellulose membrane in a range of molecular weight cut-offs
  
• High retentate recovery of >90%
  
• Vertical membrane reduces concentration polarization for ultra-fast spin times (as fast as 10–15 minutes)
  
• Heat-sealed membrane minimizes downstream extractables
  
• 100% integrity tested for reliable performance
  
• Convenient sample monitoring with translucent housing and volume gradations
  
• Direct pipettor sample access eliminates processing step to recover concentrate
  
• High concentration factors of 80–100X

Applications

• Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms
  
• Purification of macromolecular components found in tissue culture extracts or cell lysates and protein removal prior to HPLS
  
• Concentration of dilute or pre-purified proteins from column eluents
  
• Desalting, buffer exchange and protein dialysis
  
• Size exclusion and protein fractionation

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Typical Spin Times to Filtrate Volume

Spin conditions: 4000 xg swinging bucket rotor at 25°C, 15 mL sample.
3K, 10K: Cytochrome c (0.25 mg/mL); 30K, 50K: BSA (1 mg/mL); 100K: IgG (1 mg/mL).

Typical Protein Recovery (return to top)

Specifications (return to top)

Amicon Ultra-15 Centrifugal Filter Unit with Ultracel-10 membrane is CE marked.