Services

Sample Submission

Requirements for free amino acids in liquid samples, the sample sheet, and where to send them. For solids, powders or unusual matrices, contact us first.

VolumeAt least 200 µL per sample; 400 µL preferred.
LabelingYour sample ID on the tube, matching the sample sheet exactly.
ConcentrationExpected range 5 µM – 5 mM per analyte; we dilute in-lab. Tell us if you expect higher, e.g. concentrated hydrolysates.
Sample sheetOne line per tube: sample ID, matrix, collection time, expected range and service code. Download the sample sheet (Excel), or request it with your quote. Email the completed sheet to info@openchemworks.com and include a printed copy in the box.
Solids and powdersContact us before shipping; PREP-1 applies.
Labeled sample tubes ready for shipment

Shipping

Email the tracking number when you ship; we confirm receipt on arrival.

OpenChemWorks
Attn: Sample Receiving
720 Olive Drive, Suite G
Davis, CA 95616720 Olive Drive is a multi-tenant building — please keep Suite G on the label.

Download the sample sheet (Excel)

From quote to report

1

Request a quote

Tell us the matrix, the number of samples and the question. You'll receive a price and a sample sheet.

2

Ship samples

Send labeled samples with the completed sample sheet. We confirm receipt on arrival.

3

Analysis and QC

Samples are prepared, derivatized and analyzed by HPLC with an internal standard in every sample and a quality-control standard in every run.

4

Report

PDF report with concentrations, the chromatogram and the QC summary. Raw data as CSV on request.

Typically 5 business days

Have samples in mind?

Published prices, a person replies, and every report includes the chromatogram and QC behind the numbers.