Our absolute quantified peptides SpikeTides™_TQL PLUS (SpikeTides Tagged Quantified Labeled Plus) are used as internal references for protein quantification (protein quantitation) in clinical proteomics. They are quantified with our proprietary QTag before delivery. Additionally you can perform an up-to-date peptide quantitation immediately before your experiment for clinical applications.
JPT's Absolute Quantified Peptides (AQUA Peptides) for Clinical Proteomics
Our proprietary absolute peptide quantification (peptide quantitation) method overcomes the limitations of traditional methods such as limited accuracy and high costs:
- JPT’s QTag is a small chemical tag attached to the peptide
- QTag is released by trypsin and does not interfere with measurements
- Peptide quantification via HPLC-UV or HPLC-MS and UV
- Robust, reproducible & accurate method (variation CV= 5%)
- Validated in numerous peer-reviewed papers
- Lower cost than traditional methods
- Peptide quantitation immediately before your experiment possible
More Proteomics Peptides
- Peptide Pools for Targeted Proteomics - SpikeMix™
- Reference Peptides for Targeted Proteomics - SpikeTides™
- Absolute Quantified Peptides - SpikeTides™ TQL
Comparison of Absolute Quantified Peptides (AQUA Peptides)
| SpikeTidesTM_TQL | SpikeTidesTM_TQL PLUS | ||
|---|---|---|---|
| Quantification by HPLC-UV | X | X | |
| Quantification by end-user possible |
X | ||
| Amount | 10 -150nmol | 10 -150nmol | |
| Aliquotation | 1 - 10 nmol/aliquot | 1 - 10nmol/aliquot | |
| Purity | purified | >95% | |
| Isotopical purity | 99% | 99% | |
| Incoming material inspection | X | X | |
| Vendor qualification | X | X | |
| Batch documentation & CoA | X | X | |
| Optional: certified vials | X | ||
| Optional: additional QC methods | X | ||
Select your AQUA Peptides for Clinical Proteomics
1. SpikeTides™_TQL PLUS
SpikeTides™_TQL PLUS are heavy labeled, absolute quantified, proteotypic peptides with a C-terminal QTag that is cleaved by tryptic digestion.
- Amount: 10-150nmol nmol/target peptide
- Aliquotation: 1-10nmol/aliquot
- Purity: >95%
- Application: Absolute protein quantification in clinical applications
- Peptide quantitation immediately before your experiment possible
- Validated pooling service available
2. SpikeTides™_TQL – absolute quantified, SIL peptides
SpikeTides™_TQL are heavy labeled, absolute quantified, proteotypic peptides with a C-terminal QTag that is cleaved by tryptic digestion.
- Amount: 10 -150nmol/target peptide
- Aliquotation: 1-10nmol/aliquot
- Purity: Purified
- Application: Absolute protein quantification
- Validated pooling service available
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