Construct strategy
Domain, tag, cleavage, and expression-system planning for soluble, usable assay reagents.
Recombinant protein services for assay-ready reagents
VexisBio supports recombinant protein design, expression, purification, and QC planning when a program needs a credible antigen, standard, control, or assay-development reagent.
Recombinant protein services
Built around downstream assay use
Protein projects are scoped around the final decision the material must support: antibody screening, ELISA calibration, biomarker feasibility, reagent qualification, or partner-facing technical documentation.
Expression support
Small-scale expression feasibility and workflow planning for recombinant antigens and controls.
Purification workflow
Affinity purification and polishing strategy with attention to purity, yield, and formulation needs.
Assay-ready QC
Concentration, purity, identity, lot consistency, and fit-for-purpose documentation support.
Common starting points
- Protein target, accession, or sequence
- Species and domain boundaries
- Desired tag, buffer, and purity target
- Intended use as antigen, ELISA standard, calibrator, or control
- Timeline, scale, and downstream assay plan
Best-fit projects
Research-use recombinant antigens, assay standards, controls, antibody-screening reagents, and protein materials that need to connect cleanly to ELISA or biomarker assay development.
Start a Protein ProjectRelated service paths
Protein work often becomes most valuable when it is connected to antibody pairing, ELISA development, and validation planning.
Antibody and ELISA development
Use recombinant antigens and standards in antibody pairing, capture/detection strategy, and assay optimization.
Custom ELISA development
Turn protein reagents into fit-for-purpose sandwich or competitive ELISA workflows.
Biomarker assay validation
Connect reagent qualification to analytical performance, matrix behavior, and technical summaries.