Scale Up from Trial Size & Save 25%
Already tested a 20 µL antibody? Continue your research with confidence and save 25% on the full-size antibody.
Promotion details
Finding the right antibody is an important step in any experiment. If you have already evaluated a Proteintech 20 µL antibody, you can save 25% when you purchase the full-size antibody. This exclusive offer helps you move seamlessly from testing to larger-scale experiments while using the same validated antibody you've already trusted in your research.
Use code at checkout. Offer ends 30 September, 2026
How the promotion works
Purchase a 20 µL antibody
Start with a 20 µL trial size to test the antibody in your assay before committing to a larger format.
Validate your antibody in your workflow
Check performance in your own application, sample type, and protocol so you can buy with more confidence.
Upgrade to the full-size antibody
Once the trial size works for your experiment, move up to the full-size product for ongoing use.
Save 25% at checkout
Apply code 150UL25 when you purchase the full-size antibody to receive 25% off as part of the promotion.
Why choose Proteintech antibodies?
When you move to a full-size antibody, you can expect the same quality and performance you've already tested.
Rigorous quality standards
Every antibody is produced with a focus on consistency, traceability, and dependable lot-to-lot quality.
Validated performance
Full-size antibodies are backed by validation data to support reliable and reproducible experimental results.
Application data and protocols
Access detailed product information, recommended applications, and supporting protocols for your workflow.
Scientific support
Get guidance from experienced scientists who can help with antibody selection and troubleshooting.
Terms & Conditions
- This promotional offer is only available to customers who have previously purchased a 20 µL sample antibody based in the UK and Europe (excluding Turkey) who have previously purchased a 20 µL sample within the last 12 months.
- Valid until 30 September, 2026.
- Eligible customers receive 25% off the corresponding full-size version of the same antibody they previously purchased as a 20 µL sample.
- This promotion is limited to one use per customer and the discount applies only to the matching full-size antibody and cannot be transferred to other products.
- Trial size (20ul) antibodies are excluded from this promotion.
- All ChromoTek, and HumanKine products are excluded from this promotion.
- Tag/Control antibodies are included in this promotion.
- Antibody trial packs cannot be redeemed as a single item.
- This promotion code cannot be used in conjunction with any other promotional offer.
- The promotion code 150UL25 must be entered at checkout or quoted on your email/fax order to be applied. We cannot apply the promotion retrospectively.
- Available for direct orders only.
- Usual shipping charges apply.
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