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Save time in assay development

Achieve top immunoassay performance

Ensure sample enters and flows optimally through the CD

Enhance binding between analyte and reagent

Minimize non-specific binding

Compatible with a variety of molecules with different analytical properties

The Rexxip buffer range has been developed to take into account the many parameters that may influence assay performance, such as application objective, type of analyte, assay format, sample origin and sample components.

General guidelines for buffer selection

Buffer (max = 1+1 dilutions)

Primary use

Rexxip A, Rexxip A-max

buffer of choice unless analytes are positvely charged or hydrophobic or if heterophilic antibodies are present in the sample

Rexxip AN, Rexxip AN-max

for positively charged analytes - see also Rexxip A and Rexxip A-max

Rexxip H, Rexxip H-max

for samples containing heterophilic antibodies (e.g. human or cyno samples) and where the assay format (Ab/Ab) could cause false positives

Rexxip HN, Rexxip HN-max

for positively charged analytes - see also Rexxip H and Rexxip H-max

Rexxip F

for dilution of detection reagent and suitable for hydrophobic analytes

Rexxip CCS

for cell culture samples

More Information

Gyrolab Bioaffy CDs and Rexxip buffers

(PDF, 233.2 kB)

Immunoassays at nanoliter scale

Cut time to result and overcome everyday challenges

Gyros immunoassay platform

See how microfluidics and robotics combine to transform lab productivity

Develop and run immunoassays at nanoliter scale:

Ready to use on Gyrolab xP workstation

Designed for Bioaffy CD applications

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