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Refeyn consumables for
mass photometry

Using consumables developed specifically for Refeyn instruments, you can benefit from hassle-free measurements, with less time for sample prep and more confidence in your measurements. The consumables range includes the essential tools to perform molecular mass measurement and AAV characterization with mass photometry.

For purchases, contact orders@refeyn.com

Find out which category works best for your analyses!

MP-CON-21018 Auto AAV starter kit_24 wells.png

Starter kits

Everything you need to prepare and run your measurements. Buy once and use every day.

Sample Preparation Package automated systems 14 welll

Sample preparation packages

Keep your measurements going with a supply of ready-to-use sample carrier slides and sample well cassettes.  

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MassFerence P1 Calibrant

for the OneMP, TwoMP, TwoMP Auto

Ref: MP-CON-41033

  • A calibrant protein tailored for the OneMP and TwoMP mass photometers

  • Each package contains 3 x 50 µL aliquots in high concentration

  • Provides a calibration suitable for measuring proteins between 90 to 1000 kDa

  • Each vial is sufficient for 10 Calibrations

  • Store at -20 ºC, stable for 3 months

MassFerence P1 Calibrant

Sample Carrier Package

for the OneMP, TwoMP and SamuxMP

Ref: MP-CON-21009

This package contains enough sample carrier slides to support 300 mass photometry measurements. Includes:


  • 5 boxes of ready-to-use uncoated and clean sample carrier slides (10 slides/box, 3 months shelf life)


Note: sample well cassettes required for measurement not included.

Sample Carrier Package

Auto MP Starter kit

for Automated Systems

Ref: MP-CON-21018

Preparation kit for the TwoMP and SamuxMP range to support 1200 sample measurements, and the Alignment Assist Package to affix the sample well cassette precisely and reliably to the sample carrier slide included:


  • 5 boxes of ready-to-use uncoated and clean sample carrier slides (10 slides/box, 3 months shelf life).

  • 50 sample well cassettes (24 sample wells/cassette).

  • Alignment Assist Package: alignment tool, tweezers, and magnetic slide holders. Also includes lens tissue to clean the instrument objective

Auto MP Starter kit

SizeFerence® Calibrant

for the KaritroMP

Ref: MP-CON-41030

Get the most out of your macro mass photometry measurements with SizeFerence, a calibrant tailored for the KaritroMP.

SizeFerence contains a mix of silica beads of different sizes in roughly equimolar concentrations and is designed to calibrate the size of particles measured by macro mass photometry, including adenoviral and lentiviral vectors.


  • Each package contains a 0.3 mL vial of silica beads suspended in deionized water.

  • Calibrates the size of non-reflective particles in the 40-150 nm range measured with the KaritroMP

  • Dilute before use following the instructions included with the product


Shelf life: Stable for 1 year at room temperature (max. 25ºC). Do not freeze.

SizeFerence® Calibrant

MassFerence® P2 Calibrant

for the SamuxMP and SamuxMP Auto

Ref: MP-CON-41015

Streamline your AAV measurements with MassFerence P2, Refeyn’s bespoke calibrant for the Samux line of mass photometers. MassFerence P2 is designed to calibrate mass photometry measurements of AAV-containing samples with masses ranging from 670 kDa to 5 MDa.


  • Contains 3 vials of MassFerence P2 calibrant in dry form

  • Resuspend by adding 120 μL of buffer

  • Each vial is sufficient for 10 calibrations when reconstituted


Shelf life:  Dried calibrant stable for 6 months at 4 ºC. Solution stable for 5 days at 4 ºC.

MassFerence® P2 Calibrant

Unsure about which consumables are best for your analyses? Let us help you decide!

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