CromSil™ BioSphere (200Å)

Versatile Performance for Intermediate-Sized Peptides and Proteins

Overview

CromSil™ BioSphere columns utilize highly purified spherical silica particles with an optimized 200Å pore structure, designed explicitly for efficient, precise separations of peptides and medium-sized proteins (~80 kDa). BioSphere’s advanced particle design ensures reliable results with reduced back pressure and minimal sample degradation.

Key Properties

  • Separation Mechanism: Precision reversed-phase interactions designed for biomolecules
  • pH Range: Extended operational stability from pH 2–8
  • Particle Sizes: 3 µm, 5 µm
  • Chemistries Available: C18, C8, C4,

Performance & Benefits

Exceptional peak shape and minimal nonspecific interactions

Robust, reproducible analytical results

High mechanical stability and easy scalability for method transfer

Broad selectivity options to handle diverse bio-separations

Recommended Applications

  • Peptide and protein characterization and quantification
  • Peptide mapping and fingerprinting
  • Protein purification processes
  • Complex biological sample analyses (biopharma, clinical diagnostics)
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Available Chemistries

CromSil™ BioSphere (200Å)

Chemistry
Separation Mechanism
pH Range
Carbon Load
Endcapping
Performance & Benefits
C18
Strong hydrophobic reversed-phase
2–8
High
Fully endcapped
High resolution; excellent for peptide mapping and protein profiling
C8
Moderate hydrophobic interaction
2–8
Moderate
Fully endcapped
Faster elution; suitable for medium polarity biomolecules and peptide fragments
C4
Weak hydrophobic interaction
2–8
Low to Moderate
Fully endcapped
Optimized for large protein separations and improved recovery

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