F.QUANT Titer
F.QUANT, powered by PAIA, is a bead- and plate-based fluorescence assay that measures the concentration of target antibodies in biological samples (e.g. serum, plasma and culture supernatant). The kit contains a bead-filled 384-well plate and a fluorescent reagent mix for fast and direct titer measurement, enabling reliable identification of high-producing cell lines for manufacturing biotherapeutics and high-throughput antibody discovery workflows.
CYTENA offers two different F.QUANT Titer assay kits. The F.QUANT Fc Titer assay is specific for Fc in IgG and other proteins containing the Fc part of IgG, such as Fc fusion proteins and bispecifics, while the F.QUANT Fab Titer assay recognizes human Fab fragments.
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Key Features & Benefits
Direct titer
quantification
from supernatant
Mix your sample with the F.QUANT Titer mix in the F.QUANT Titer plate for direct quantification.
No cell removal
or wash necessary
Pipette the supernatant directly into the F.QUANT Titer plate without washing steps needed, given that residual cells do not affect the results.
Optimized for clone
screening in CLD
Use our optimized protocols for monoclonal antibodies.
Mix, shake and
read workflow
Easily measure the titer of your samples in just a few simple steps.
Simple automation
on liquid handlers
Set up the F.QUANT Titer assay easily in your automated CLD workflows.
Assays require
as little as 5 µL
Take out a small volume of cell supernatant for measurements and continue with culturing.
Product Details
Choose the best
producing clone
Product
Applications
Monoclonal antibody titer quantification
Bispecific titer quantification
Fc fusion protein titer quantification
Fluorescent titer quantification
Bead-based titer quantification
Featured Workflow
Download Application Notes
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Product Datasheet
F.QUANT Fc Titer | CY.FQ.TIT.103 | Excitation 640 nm Emission 665 nm | 10x 384-well F.QUANT Fc Titer Plate and 200 mL Fc Titer Mix | 4ºC |
F.QUANT Fab Titer | CY.FQ.TIT.104 | Excitation 640 nm Emission 665 nm | 10x 384-well F.QUANT Fab Titer Plate and 200 mL Fab Titer Mix | 4ºC |
F.QUANT Fc Titer Trial Size | CY.FQ.TIT.101 | Excitation 640 nm Emission 665 nm | 2x 384-well F.QUANT Fc Titer Plate and 2x 25 mL Fc Titer Mix | 4ºC |
F.QUANT Fab Titer Trial Size | CY.FQ.TIT.102 | Excitation 640 nm Emission 665 nm | 2x 384-well F.QUANT Fab Titer Plate and 2x 25 mL Fab Titer Mix | 4ºC |