ChEBI

Any compound that produces a peak used as reference frequency in the delta chemical shift scale.

A substance that removes electrons from another reactant in a redox reaction.

Any substance that causes disturbance to organisms by chemical reaction or other activity on the molecular scale, when a sufficient quantity is absorbed by the organism.

Any compound used for the purpose of preserving biological tissues from decay in such a way as to allow for the preparation of thin, stained sections for subsequent histological study.

Any compound that produces a peak used as reference frequency in the delta chemical shift scale.

A dye used in microscopic or electron microscopic examination of cells and tissues to give contrast and to highlight particular features of interest, such as nuclei and cytoplasm.