Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
| Parameter | Freeze/thaw cycles | |||
|---|---|---|---|---|
| Prior F/T | 1 | 2 | 3 | |
| Particles observed | - | - | - | - |
| pH | 7.46 | 7.46 | 7.48 | 7.47 |
| Protein content (mg/mL) | 1.07 | 1.07 | 1.087 | 1.09 |
Evaluation of color and appearance, and measurement of pH and protein content by absorbance at 280nm for the Na-GST-1 protein samples before and after 3 freeze/thaw cycles.
