Although the two-letter symbol pH is extremely common in chemistry and elsewhere, its origin and early dissemination has only received scant attention among chemists and historians of science. Introduced as a convenient symbol for ‘hydrogen ion exponent’ by the Danish biochemist S.P.L. Sørense...
Although the term “hyaluronic acid” is commonly used in an improper sense, meaning, as can be seen from above, a whole series of polysaccharides with alternations of residues of D-glucuronic acid and N-acetyl-D-glucosamine with varying molecular weights or even degraded fractions of the same...