A substance that signals a gland or cell to secrete another substance. A descriptive classification used in research literature.
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Mass Spectrometry
An analytical technique that confirms a molecule identity by measuring its exact mass-to-charge ratio.
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Certificate of Analysis
A document reporting the lab-tested identity and purity of a specific production batch, traceable by batch number.
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Bacteriostatic Water
Sterile water containing 0.9% benzyl alcohol, which inhibits bacterial growth and is commonly used to reconstitute multi-use vials.
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