Tono-Pen® Tonometers & Ocu-Film® Tip Covers

The trusted choice of doctors & technicians for over 30 years.

Tono-Pen® and Ocu-Film® are for the clinician who's passionate about managing their patients. Supported by hundreds of publications, Tono-Pen provides fast, accurate, and reliable IOP measurements that are less sensitive to corneal centration, and can be taken in any position, including on patients in beds or wheelchairs. Tono-Pen is easy-to-use and requires minimal training. The advanced Tono-Pen AVIA® builds on all the features that make the classic Tono-Pen® XL the most widely used handheld tonometer. 

Carboxymethyl Dextran Hydrogel Surface

Sensor Chip

  • Surface: Carboxymethyl Dextran Hydrogel
  • A stable surface resistant to non-specific binding
  • Use for large/medium sized molecules and their interactions with low molecular weight molecules

Gradient Pump

Upgrade to SPR Plus

Fits: SR7000DC (2-channel semi-automatic) and SR7500DC (2-channel automatic) instruments

This pneumatic gradient pump gives you more flexibility, including the ability to run solvent, pH, and salt gradients.

NeutrAvidin Covalently Immobilized on a Planar mSAM Surface

Sensor Chip

  • Surface: NeutrAvidin
  • Minimal biotinylation of the ligand and subsequent capture results in a more oriented arrangement of ligand molecules on the surface
  • Use for capture of biotinylated molecules such as proteins, peptides, and nucleic acids

Hydrophobic Planar Alkyl Sensor Chip

Sensor Chip

  • Surface: Planar Hydrophobic
  • Employs a long chain alkanethiol self-assembled monolayter (SAM) on the surface
  • Use to study lipid binding

Plain Gold Surface

Sensor Chip

  • Surface: bare gold
  • Study surface formation and adsorption in real-time
  • Add your own surface coatings
  • Can also be used for SPR Electrochemistry experiments

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