The development and use of techniques and equipment to study or perform chemical reactions, with small quantities of materials, frequently less than a milligram or a milliliter.
D002854
Chromatography, Paper
An analytical technique for resolution of a chemical mixture into its component compounds. Compounds are separated on an adsorbent paper (stationary phase) by their varied degree of solubility/mobility in the eluting solvent (mobile phase).
Paper Chromatography,Chromatographies, Paper,Paper Chromatographies
D006801
Humans
Members of the species Homo sapiens.
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013053
Spectrophotometry
The art or process of comparing photometrically the relative intensities of the light in different parts of the spectrum.
D013276
Stomach Ulcer
Ulceration of the GASTRIC MUCOSA due to contact with GASTRIC JUICE. It is often associated with HELICOBACTER PYLORI infection or consumption of nonsteroidal anti-inflammatory drugs (NSAIDS).
November 1962,
Technical bulletin of the Registry of Medical Technologists. American Society of Clinical Pathologists. Registry of Medical Technologists,