A new nitrocellulose membrane

NEW! Whatman Fast Flow, High Performance (FF HP) nitrocellulose backed membrane. This new grade allows for easy swap-out of similar nitrocellulose membranes for lateral flow immunoassay tests and assay development.

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Build a smarter diagnostic assay

Choose from our wide selection of high performance, customizable components and solutions for immunoassay and molecular diagnostic applications when you partner with GE Healthcare Life Sciences.

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Blood separation challenges

Hemolysis, cell breakthrough, analyte binding…they all can prevent effective blood separation. Find out how to tackle them.

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Customization options

Cellulose and glass fiber media

Manufacturing Properties Conversion Treatment
Material
  • Cotton linter
  • Specialty wood pulps
Manufacturing specifications
  • Airflow
  • Grammage
  • Thickness
  • Mechanical strength
  • Particle retention
  • Wicking rate
  • Filtration performance
  • Surface characteristics

Grammage: 40–700 gsm (+/-10%)

Thickness: 80–2600 µm

 Cutting
  • Sheet length: 430–790 mm
  • Sheet width: 460–1500 mm

Slitting

  • Slitting: 6–1500 mm
  • Tolerances up to +/- 0.5 mm
  • Max rewind diameter: 1200 mm

Punching

  • Circles: 10–500 mm diameter
  • Shapes and patterns possible

Controlled impregnation

Acid treatment

Lamination

Membrane media

Manufacturing Properties Conversion Treatment
Casting
  • Dry
  • Wet
 Specifications
  • Pore size
  • Thickness
  • Water flow rate
  • Capillary rise/flow time
  • Burst strength
  • Porosity
  • Protein binding
  • Leachables
  • Autoclavable
  • Bubble point
  • Flow-through
  • Scanning electron microscope use
  • Laser scanning microscope
 Cutting
  • Min: 10 x 10 mm
  • Max: 640 x 1200 mm

Slitting

  • Precision slitting: 6–1500 mm
  • Tolerances up to +/- 0.5 mm
  • Max rewind diameter: 250 mm

Punching

  • Circles: 6–500 mm diameter
  • Shapes and patterns possible

 Backing
  • Unbacked
  • Foil-backed
  • PTFE-backed

Supported

Impregnation

Lamination

Coloring

Printing

Sterilization