Sample Preparation Guide
Everything you need to know about preparing and shipping your peptide samples for testing.
Sample Requirements
We accept peptide samples in lyophilised (freeze-dried) powder or reconstituted solution form. Each sample should meet the following minimum requirements:
Sending the entire vial is easiest and avoids contamination during transfer. If you need to keep some, ensure the sample portion is stored in a clean, airtight container.
Label Your Samples
Proper labelling ensures the lab can match each sample to the correct order. This is especially important for multi-sample orders.
- Write your Order Reference (e.g., PV-A3F7B2-KPVX) on the outer package
- For multi-sample orders, label each vial with its Item Reference shown on your packing sheet
- Include a printed copy of your packing sheet (downloadable from your dashboard)
Package Securely
Peptides are sensitive to heat and moisture. Proper packaging protects sample integrity during transit.
- Place vials in a small sealed bag (ziplock or similar)
- Wrap with bubble wrap or tissue to prevent breakage
- Use a padded envelope or small box for outer packaging
- No cold chain or ice packs required for lyophilised powder — ambient shipping is fine
Reconstituted samples: If sending peptide in solution, ensure the vial is sealed tightly and packed upright. Consider using a cold pack for transit times over 48 hours in warm weather.
Ship to the Lab
The shipping address is shown on your payment confirmation page and packing sheet. You can also find it in your confirmation email.
After dispatching, log into your dashboard and enter your tracking number so we can monitor delivery. Analysis begins as soon as your sample arrives.
Endotoxin Orders
If your order includes endotoxin (LAL) testing, it's performed at a specialist facility. You'll see a separate shipping address on your confirmation page.
- Combined orders: Send HPLC/LC-MS samples to the main lab and endotoxin samples to the specialist lab — two shipments
- Endotoxin-only orders: Send directly to the specialist lab — one shipment
- Both addresses are clearly labelled on your payment confirmation and packing sheet
What Happens Next
Once the lab receives your sample, analysis begins. You can track progress on your dashboard.
Sample disposal: Samples are consumed during analysis and any remaining material is securely disposed of. We do not retain or return samples.