Biomarker Discovery Services

Q: How can Raybiotech help with biomarker validation?

Developing probes for the validation of candidate biomarkers is resource-intensive, costly, and can impede the progress of discovery. However, using RayBiotech's high-density array platform for candidate screening takes that difficulty out of the equation. Tthe array panel contains reliable, validated antibodies to every protein of interest, streamlining workflows and reducing costs.

Trust your biomarker discovery needs to the company that's been in the multiplex protein analysis business longer than anyone else.

As the first company to commercialize the protein array and an innovation leader in multiplex protein analysis, RayBiotech has both the right tools and expertise to successfully advance your biomarker discovery projects.

We employ the latest technologies to find and validate the most relevant biomarkers to achieve your objectives, including all of the RayBiotech array, ELISA, and multiplex ELISA platforms as well as the Quanterix^™ Simoa^® single molecule protein detection platform.

With RayBiotech's Biomarker Discovery Services, you can experience the confidence of reliable, actionable data thanks to our expertise and commitment to quality.

Request a Quote

What You Can Expect

Our scientists work closely with you to understand your study's objectives and design a project to quickly and efficiently achieve your goals, from sample size considerations to the most appropriate technology platforms for discovery and validation.

Technologies We Use

RayBiotech Multiplex Arrays

We can use off-the-shelf or custom multiplex arrays that utilize antibody-based detection quantitatively or semi-quantitatively to detect a wide range of analytes with high sensitivity.

Learn more about how array technology works

RayPlex^® Bead-Based Arrays

RayPlex^® Bead-Based Arrays are an advanced technology that uses antibody-conjugated multiplex beads to quantitatively measure a wide range of analytes in a liquid phase at high sensitivity.

Compatible with a variety of sample types including whole blood, PBMCs and other primary and immortalized cell lines.
Detects up to 50 targets proteins.
Up to 12-color or 18-color analysis.
Custom and pre-validated panels are available.
Minimal sample volume required per test.

Quantitative Multiplex ELISAs

Quantibody^® glass slide arrays are sensitive, quantitative multiplex ELISAs.

Fully validated assays for cytokines, chemokines, growth factors, soluble receptors, and many more molecule classes.
Available for biomarker discovery of >1200 human proteins, >640 mouse proteins, and proteins in other species including rat, sheep, chicken, cow, pig, horse, dog, primate, rabbit, cat, and dolphin.
Quantifies up to 40 proteins using just 50 µL of sample.

Semi-Quantitative Multiplex Screening Arrays

Maximize the number of targets you can assess with RayBiotech L-Series Screening Arrays. This approach relies on direct labeling of sample proteins with biotin, enabling detection through binding with labeled streptavidin, avoiding the need to develop validated antibody pairs.

pre-made or customized biomarker panels available
>8000 human >1308 mouse target proteins
Just 10 µl of sample required

Post-translational Modification Arrays

RayBiotech's suite of PTM profiling tools includes easy-to-use antibody arrays to screen up to 8,000 target proteins for acetylation, palmitoylation (acylation), oxidation, nitrosylation, glycosylation, or phosphorylation signatures.

RAY_0069_Protein_Arrays_How_it_works_infographic_L5_-_cropped

Protein and Peptide Arrays

Protein arrays are spotted with immobilized proteins or peptides to profile serological (auto)antibodies as well as study protein interactions with other proteins, peptides, DNA, and drugs. Choose from our pre-established disease specific panels or customize a unique panel.

RayBiotech ELISAs

Choose from over 6000 targets across 15 different species and 7 different ELISA platforms for single target biomarker detection and validation

Sandwich ELISA
Phosphorylation ELISA
High-Sensitivity Immuno-PCR
Competition-based ELISA
Cell-based ELISA
Chemiluminescent Immunoassay (CLIA)
Transcription Factor Activity Assay

Simoa^®

Single molecule array (Simoa^®) testing is a powerful technique that utilizes the isolation of individual immunocomplexes on paramagnetic beads to generate data that is orders of magnitude more sensitive than standard sandwich-based immunoassay techniques.

Choose from a library of over 4,000 targets.
Sensitivity as low as femtogram (fg/mL) concentrations.

Auto-Western Blot Service

RayBiotech's Auto-Western Blot Service marries our state-of-the-art capillary immunoprobing system with our vast pre-validated antibody library.

Our high throughput system can achieve ng to pg sensitivity with only 5 µL of starting material and we can include a standard curve for full quantification.

Immunohistochemistry

Expert quantitative Immunohistochemistry (IHC) and Immunofluorescence (IF) staining services using our large library of validated, high specificity antibodies for a variety of pathological markers and for antibody characterization.

Ready to see how RayBiotech's Biomarker Discovery Services can advance your project?

Our Approach to Experiment Design for Biomarker Discovery

Experimental design is an often underappreciated step which is foundational to successful biomarker discovery and validation.

The first important consideration is n. Sample numbers for each experimental group must be large enough to ensure statistical significance. If the sample size is too low, you'll experience a high number of false positives-biomarker candidates which fail during validation. In addition, you may miss relevant biomarker candidates (false negatives. The minimum sample size per group largely depends on the objectives of your experiment. Our Biostatistics and Bioinformatics Group can assist you in making this determination.

Secondly, we consider if the proposed assay is suitable for the intended study. Rather than a single one-size-fits-all platform, RayBiotech's uniquely diverse offering includes a wide range of multiplex protein detection products to fit different purposes. These include high-density (>200 targets) antibody arrays (quantitative or semi-quantitative) for screening protein expression, smaller focused array panels for querying specific cellular functions, phospho-specific arrays for pathway profiling, protein arrays for exploring protein-protein and protein-small molecule interactions, and glycobiology-focused arrays for collecting glycosylation signatures. For difficult-to-detect targets, we offer ultrasensitive ELISA technologies including immuno-PCR ELISA and SIMOA. Our Technical Support team can assist you in choosing the best platform and product for your needs.

Lastly, we consider other experimental parameters such as the careful definition of patient populations (or animals in the case of experimental model systems), choosing an appropriate sample type, and standardized sample handling and storage protocols-all of which can make the difference between success and failure in biomarker development studies. While our Technical Support personnel and scientists cannot be experts in every field of study, we can assist you in reviewing experimental methods for optimal use with antibody array products.

RayBiotech also offers a bio-banking service for customers with sample storage space needs.

Ready to see how RayBiotech's Biomarker Discovery Services can advance your project?

Frequently Asked Questions

Still have questions?

How can Raybiotech help with biomarker candidate screening?

RayBiotech has developed an innovative platform for biomarker discovery and validation. Researchers can choose from several different array platforms to initiate biomarker development, utilizing them either alone or as a supplement to mass spectrometry-based proteomics. RayBiotech's highest-density arrays can offer hundreds to thousands of antibodies, providing a wide, diverse pool of disease-specific proteins to use to identify candidates for further investigation.

How can Raybiotech help with biomarker validation?

Can Raybiotech help create clinical diagnostics from our biomarkers?

Yes. We are an ISO 13485:2016 certified company (the certification required for the manufacture of clinical diagnostic products). As such, RayBiotech products can be used in clinical diagnostic lab developed tests. We are fully willing and able to aid in the validation of our immunoassays or array platforms for the FDA clearance required by clinical diagnostic products. We provide the technical expertise and assistance to prepare and submit data for clinical assay approval.

I don't see any relevant assays or arrays that suit my candidate biomarker. How can you help?

RayBiotech can produce customized arrays to fit your needs for biomarker screening or validation. Choose from over 3500 validated antibody pairs across 13 species. We can assemble your own semi-quantitative or quantitative panels in nearly any combination (after an antibody cross-reactivity check by the technical service team). We can also produce customized protein arrays to probe for protein-protein interactions, auto-antibody production, antibody specificity, and protein interactions with DNA, RNA, or small molecules.

Related Services

ELISA Services

Maximize operational efficiency while receiving data you can depend on when you trust your ELISA service needs to the experienced scientists at RayBiotech.

Array Services

From custom protein or peptide array printing to complete quantitative and/or discovery studies, we can help you advance your multiplex protein analysis projects efficiently and with confidence.

Biostatistics and Bioinformatics

Whether you're short on analytical resources or expertise, our experienced team can support your studies with a wide range of biostatistics and bioinformatics services.

Related Products

Arrays

Discover faster and develop deeper insights with simultaneous profiling of antibodies, proteins, peptides, and more-brought to you by the most experienced company in the business.

ELISA Kits

Analyze and quantify proteins with confidence when you choose our high-quality ELISA kits and validated antibody pairs-manufactured in our own US-based facilities.

Proteins and Peptides

Whether you need a purified recombinant protein or peptide, overexpressed protein in cell extract or supernatant, a natively produced protein, or related reagents like protease inhibitors, you'll find a quality product for confident discovery.

Antibodies

Choose from a wide range of pre-conjugated and unlabeled antibodies raised in a wide variety of species-all manufactured to the exacting standards you've come to expect from RayBiotech