fCAL Assays

Multiple Applications, Evolving Assays for Inflammation to Meet Your Needs

Trust Your Calprotectin Results – Robust, Standardized, Validated and Published

Which Assay is Best for You?

The BÜHLMANN Calprotectin Assay product line has a range of solutions that services all types of users, from the subject’s home test to the high throughput labs running thousands of samples. We have a variety of test formats to best suit your needs and no matter which assay you choose results are reliable, accurate, and consistent across all the board.

Fast, Flexible, Random Access

For the highest throughput laboratories and can be applied on most routine clinical chemistry analyzers.

Health Canada License: 96808
US: Research Use Only. Not for use in diagnostic procedures in the US

Gold Standard

For higher throughput, batch testing laboratory use (automation available on the multiple ELISA Processing Systems).

Health Canada License: 80726
US: Research Use Only. Not for use in diagnostic procedures in the US

Rapid and Quantitative

Lateral Flow Assay for Calprotectin and Therapeutic Drug Monitoring for low throughput use.

Health Canada License: 88674
US: Research Use Only. Not for use in diagnostic procedures in the US

Three Easy Steps to Calprotectin Self Testing
Calprotectin Self Testing with IBDoc.
Three Easy Steps to Help Monitor IBD
IBD patient home monitoring with the IBDoc® system.

Health Canada License: 98903
US: Not available for Sale in the US.

BUHLMANN fCAL® turbo

Fast, Flexible, Random Access

BÜHLMANN fCAL® turbo is a flexible turbidimetric assay for fecal calprotectin applicable on many major clinical chemistry platforms.

The BÜHLMANN fCAL® turbo is a turbidimetric immunoassay based on the standardization of the  BÜHLMANN fCAL® ELISA, which is globally established in laboratories as the gold standard for calprotectin measurements.

The technology of immunoturbidimetry implements a further milestone in fecal calprotectin quantification. It allows very rapid and flexible random access use, as well as being the ideal solution for high throughput applications in the routine laboratory.

Speed: results within 10 minutes
Quality: This assay is standardized against the well established BÜHLMANN fCAL® ELISA and the PETIA methodolgy enhances precision and reproducibility.
Flexibility: Immunoturbiometric assays can be applied to most clinical chemistry platforms, allows random access workflow which can be directly integrated into the existing laboratory infrastructure.
Range: 20 – 8000 μg/g
Based on the established BÜHLMANN standards.
Use with CALEX® Cap device: Combined with the CALEX®CAP extraction device further simplifies the fecal calprotectin diagnostic workflow thus reducing hands-on time dramatically.

Validated Applications

Analyzer Validated Remarks
Siemens Advia 1650/1800 Siemens Advia XPT ††
Siemens Advia XPT †† new
Siemens Advia 2400
Siemens Dimension Vista 500/1500 establishment ongoing
Roche Cobas c501/c502 †††
Roche Cobas c701/702 †† new
Roche Cobas c111 ††
Roche Integra 800  †
Roche Cobas Integra 400+ validation ongoing
Abbott Architect (c series) ††
Beckman AU series †††
Beckman DxC 600/800 †† new
Mindray BS-380 ††
Mindray BS-200E †† new
Mindray BS-400 ††
Thermo Konelab30i ††
Thermo Indiko ††
Ortho Vitros 5600 ††
The Binding Site Optilite †† new
Horiba ABX Pentra 400 †† new
IDS iSYS †† new
††† optimized protocols available
†† validation data available
† application notes available

Method Comparison

Nilsen, T. et. al. A novel turbidimetric immunoassay for fecal calprotectin optimized for routine chemistry analyzers. J Clin Lab Anal. 2016 Sep 15. PMID:27629827

Method Comparison: fCAL® ELISA vs fCAL® turbo

K. Sunde1, M. Schneider2, T. Nilsen1, Ch. Niederberger2, Th. Jermann2, E. Sunderhagen

1Gentian AS, Moss (Norway)
2BÜHLMANN Labortories AG, Schönenbuch (Switzerland)

Learn more about BUHLMANN fCAL® turbo

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BUHLMANN fCAL® ELISA

BUHLMANN fCAL® ELISA is the Gold Standard in Calprotectin testing

The kit format is a microtiter plate based assay that can be performed manually or on an automated ELISA system to reduce hands-on time.

Two protocols are available with the fCAL ELISA to cover different ranges.

The ranges are 10-600µg/g or 30-1800µg/g.

All reagents, standards and controls are provided in one kit and are ready for use.
There is no requirement for reconstituting any component, apart from the wash buffer.
This minimizes any errors as well as ensuring a long shelf life.

  • Easy-to-use ELISA kit (total assay time is 75 minutes)
  • All reagents are ready to use*
  • Kit includes calibrators and controls
  • Analytical Sensitivity: <10µg/g Calprotectin in fecal sample
  • Measurable range 30-1800µg/g or 10-600µg/g**

* except wash buffer
** depending on which protocol is used

Learn more about BUHLMANN fCAL® ELISA

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Quantum Blue®

Rapid and Quantitative

  • BÜHLMANN’s Quantum Blue® Product line is designed with an innovative solution based on established lateral flow technology which utilizes highly specific monoclonal antibodies to capture the molecule being measured. Optical densities of test and control lines are detected by the Quantum Blue® Reader , (small, dedicated telephone sized reading device) and translated into a quantitative result.
  • The Quantum Blue® Calprotectin reader analyzes the signal intensity from the test and control line to give a quantitative value and is standardized with the BÜHLMANN fCAL™ ELISA.

Why Use Quantum Blue?

Quantum Blue® Reader

4 Easy Steps

Comparison of Quantum Blue® to fCAL (Calprotectin) ELISA

Assaying fCAL on Quantum Blue® LF test cassette/ cartridges (two options):

Test Quantum Blue® Calprotectin High Range Quantum Blue® Calprotectin extended
Order Code LF-CHR25 LF-CALE25
# tests per kit 25x 25x
Standard Range 100-1800 µg/g 30 -1000 µg/g
> top standard Dilute and re-run or report >1800 report as > 1000
Final Dilution *1:7500 *1:500
Option 1 (Quantum Blue® Calprotectin High Range)

REAGENTS SUPPLIED AND PREPARATION

Reagents Quantity Code Comments
Test Cassette 25 cartridges B-CAL-TC vacuum-sealed in a foil bag
Extraction Buffer 1 bottle 125 mL B-CAL-EX Ready to use
Chase Buffer 1 bottle 100 mL B-CHR-CB Dilution buffer; ready to use
RFID Chip Card 1 B-CHR-RCC Red plastic card
Option 2 (Quantum Blue® Calprotectin extended)

REAGENTS SUPPLIED AND PREPARATION

Reagents Quantity Code Comments
Test Cassette 25 cartridges B-LFCALUS-TC vacuum-sealed in a foil bag
Extraction Buffer 1 bottle 125 mL B-CAL-EX Ready to use
RFID Chip Card 1 piece B-CALE-RCC White plastic card
RFID Chip Card 1 piece B-CALE-RCC720 Green plastic card

Learn more about Quantum Blue®

Visit buhlmannlabs.com

IBDoc®

Three Easy Steps to Calprotectin Self Testing

US: Not available for Sale in the US.

Three Easy Steps to Help Monitor IBD
  1. Process the sample with the CALEX® Valve extraction device.
  2. Apply the extracted sample to the calprotectin cassette.
  3. Use the smartphone CalApp® to read and calculate the result and send it to the gastroenterologist via the secure IBDoc® Portal.
Health Canada License: 98903
  • The BÜHLMANN IBDoc®, provides sophisticated technology that enables your IBD patients to perform quantitative calprotectin testing themselves, in just three easy steps, reading the results using their smartphones.
  • Process the sample with the CALEX® Valve extraction device.
  • Apply the extracted sample to the calprotectin cassette
  • Use the smartphone CalApp® to read and calculate the result and send it to the gastroenterologist via the secure IBDoc® Portal.
More Regular Patient Monitoring
  • IBDoc provides a practical way for more frequent monitoring of patients in the privacy of their own home.
  • Under the guidance of clinicians, more regular patient monitoring can help predict potential relapse and assist in therapy optimization. This approach allows for a customized, patient-centric approach for management of disease and therapy.
  • IBDoc® is the first self testing application for fecal calprotectin in IBD subjects. Based on BÜHLMANN’s long lasting experience with calprotectin assays, IBDoc® allows IBD subjects for convenient self testing of fecal calprotectin. CALEX® Valve has been developed for simple and easy-to-handle stool extraction. The incorporated valve allows the precise application of 60 µl onto the test cassette. The CalApp® smart phone application is available for  iOS and Android transforms smartphones into a test cassette reader.
  • BÜHLMANN IBDoc® is the first CE-marked home application for measuring the fecal inflammation marker calprotectin and has been developed based on BÜHLMANN’s long lasting experience in calprotectin assays.
  • For further information, visit www.ibdoc.net

Learn more about IBDoc®

www.ibdoc.net
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