Our Expertise
Research Services
Custom peptide synthesis, labeling, and analytical services that go beyond the catalog.
Custom Peptide Synthesis
Sequence-to-vial peptide synthesis at research scale. Standard, modified, and cyclic peptides at purities up to 98%+, with full QC documentation.
- Solid-phase synthesis (Fmoc/Boc)
- Cyclic, branched, and modified sequences
- mg to multi-gram scales
- HPLC + mass-spec QC + COA
Custom Antibody Production
Antigen design, immunization, and antibody purification packages for polyclonal and monoclonal research projects.
- Polyclonal & monoclonal options
- Rabbit, mouse, and goat hosts
- Affinity-purified deliverables
- ELISA titer verification
Peptide Level Determination
Quantitative analysis of peptide content in biological matrices using LC-MS/MS and HPLC methods.
- Plasma, serum, and tissue matrices
- LC-MS/MS quantitation
- Method development support
- Full analytical report
Custom Peptide Labeling
Fluorescent, biotin, PEG, and chemiluminescent label conjugation on your peptide of interest.
- FITC, TAMRA, Cy3, Cy5 labels
- Biotin and PEG conjugation
- N- and C-terminal placement
- Mass-spec verified linkage
Radioactive Isotope Labeling
Radiolabeled peptide preparation with ³H, ¹⁴C, ³⁵S, ¹²⁵I, and others for tracer and binding studies.
- ³H, ¹⁴C, ³⁵S, ¹²⁵I, ³²P labels
- Specific activity tuning
- Stability-tested deliverables
- Shipped to licensed facilities only
Stable Isotope Labeling
Heavy-isotope (¹³C, ¹⁵N, ²H) labeled peptides for mass-spec quantitation and metabolic flux studies.
- ¹³C, ¹⁵N, ²H residue swaps
- SIL standards for LC-MS
- Residue-specific placement
- Isotopic purity certified
Have a custom project in mind?
Tell us about your sequence, purity, scale, and timeline. We'll send a quote with a delivery date.