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71 results
  1. NLM Digital Collections - The Basics of searching MEDLINE 
    Publication: Bethesda, Md. : U.S. Dept. of Health and Human Services, Public Health Service, National Institutes of Health, National Library of Medicine, 1989
    ... and pollutants and adverse drug reactions. Almost all references in TOXLIT have abstracts and all chemical compounds mentions in TOXLIT are further identified with Chemical ...
  2. NLM Digital Collections - Annual report - National Eye Institute (1979) 
    Publication: [Bethesda, Md.] : National Eye Institute
    ... lens A.R. is only one tenth as active against the human placenta A.R. A chromone carboxylic acid compound, developed in our Laboratory, is the only A. ...
  3. NLM Digital Collections - Nutritional physiology 
    Publication: Philadelphia ; London : W. B. Saunders Company, 1924
    ... since an able writer protested against this confident reference to a substance where it is a property rather than a compound which we are observing. It will be admitted ...
  4. ... properties of these antigens have been studied and correlated with changes in chemical constitution. These studies have revealed that the etereochemical configuration of simple hexoses, the configuration and position of intramolecular liakeges of ...
  5. NLM Digital Collections - Methods for laboratory technicians, 1941 
    Publication: Washington, D.C. : U.S. G.P.O., 1941
    ... Normal solution.—By a normal solution of any compound is meant one which contains one gram-equivalent of the active reagent in 1 liter of solution. By gram- ...
  6. ... Contribution to the chemistry of the pituitary pressor compounds. Am. J. Pharm., Phila., 1914, Ixxxvi, 291- 306.—Dale (H. H.) & Dudley (H. W.). On the pituitary active principles and histamine. J. Pharmacol. & Exper. Therap., Bait., ...
  7. NLM Digital Collections - Recombination Analysis of Bacterial Heredity 
    Publication: Cold Spring Harbor Laboratory. Press, 1951
    ... exposure. Table 10 summarizes the tests of these compounds for radiomimetic effects. It will be observed that all of the active com- pounds, except H.0, are effective reagents ...
  8. NLM Digital Collections - Pathological physiology of internal diseases : functional pathology 
    Publication: New York ; London : D. Appleton and Company, 1923
    ... gastric ferment which digests proteins. It is most active in an acid medium, being particularly effective in the presence of hydrochloric acid. It splits up the proteins by a process of hydrolysis into simpler nitrogenous compounds, the peptones and proteoses, which are characterized by ...
  9. ... in relation to the bacteriostatic effect of sulfonamide compounds both in vitro and in vivo an investigation of the biochemical voroperties of the inhibiting substance has been undertaken, The active principle is readily diealysable through cellophane; it is ...
  10. NLM Digital Collections - Annual report - National Eye Institute (1980) 
    Publication: [Bethesda, Md.] : National Eye Institute
    ... actor site. Studies on the transport of organic compounds into the lens have also been initiated. Through these studies a choline transport system in the lens has been discovered. This system through apparent active transport can concentrate choline, ethanolamine and other analogs ...
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