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Artigo Acesso aberto

Melville T. Cook, Guy West Wilson,

... chemical composition and the presence of tannin-like substances other than tannic acid. Commercial tannins of the ... No extract will be the same as the substances in the plant. 3. Tannin is an anhydrous ... converted by hydrolysis into gallic acid and related substances. It is very doubtful if any culture medium ... plant is associated with coloring materials and other substances, some of which are toxic. Furthermore, the fungus ... response to the presence of tannin and related substances in the culture medium. 8. The species of ...

Tópico(s): Yeasts and Rust Fungi Studies

1915 - University of Chicago Press | Botanical Gazette

Periodico Revisado por pares

Project Muse

Primary Document -- Manuscript Acesso aberto

Pétain, Marshal Philippe (Leader Of Vichy France),

Substance of Marshal Pétain's promises made to the National Assembly when he was given full powers ...

1941 - Gale Group | ArchivesUnbound Western Europe

Artigo

George Gabriel Stokes,

... specimen, prepared by Professor Harley, of the green substance obtained from the bile, which has been named ... Berzelius to be identical with chlorophyll. The latter substance yields with alcohol, ether, chloro­form, &c., solutions ... land-plants to be a mixture of four substances, two green and two yellow, all possessing highly distinctive optical properties. The green substances yield solutions exhibiting a strong red fluorescence; the yellow substances do not. The four substances are soluble in the same solvents, and three ...

Tópico(s): Animal Diversity and Health Studies

1864 - Royal Society | Proceedings of the Royal Society of London

Primary Document -- Manuscript Acesso aberto

British Embassy official in Turkey reveals substance of conversation with Iraqi Military Attaché on coup and military rule. Internal political situation in Iraq. 24/10/1958. FO 371/133070- ...

1958 - Gale Group | ArchivesUnbound Iraq

Artigo Acesso aberto Revisado por pares

Leo Loeb,

... the blood.(d) The coagulation of a fibrinogenous substance.2. The agglomeration of the blood cells leads ... like structures. The formation of the fibrillar intercellular substance corresponds to the formation of fibrillar connective tissue. ... are suspended, the formation of an intercellular fibrillar substance can be prevented. By agglutination of cells which ... through injection of certain body fluids or albuminous substances into different species of animals.7. Potassium cyanide, ... of peptone inhibit the second coagulation. If these substances are add to the serum their inhibiting influence ...

Tópico(s): Toxin Mechanisms and Immunotoxins

1903 - Marine Biological Laboratory (MBL) | Biological Bulletin

Primary Document -- Manuscript Acesso aberto

Correspondence giving substance of a resolution of the Committee of Liberation in North Italy. Part 5B. Italy. 06/04/1944. FO ...

1944 - Gale Group | ArchivesUnbound Western Europe

Artigo Acesso aberto Revisado por pares

Evelyn Ashley Cooper,

I. On the distribution of the anti-neuritic substance amongst foodstuffs 1. The amounts of various raw ... use a larger proportion of the anti-neuritic substance distributed in the tissues than the well-fed ... polyneuritis. The low concentration of the anti-neuritic substance in brain suggests that the substance although essential for the integrity of the nervous ... is a secondary deficiency in polished rice of substances essential for the maintenance of body-weight and ... deficiency in polished rice of the anti-neuritic substance and not of the secondary deficiency of substances ...

Tópico(s): Animal Virus Infections Studies

1912 - Cambridge University Press | Epidemiology and Infection

Artigo Acesso aberto Revisado por pares

Hideyo Noguchi, J. Bronfenbrenner,

... guinea pigs, etc.) yield, upon alcoholic extraction, various substances which may be divided by their physical and chemical properties into several groups. While many substances are present in the alcoholic extract, the ones ... properties exhibited by the whole alcoholic extract. The substances extracted with alcohol were fractionated into the following four groups. (a) Substances Insoluble in Ether and Hot Alcohol.-These are ... in apparent suspension in alcohol until all other substances are removed. The water extracted from the tissues ...

Tópico(s): Immunodeficiency and Autoimmune Disorders

1911 - Rockefeller University Press | The Journal of Experimental Medicine

Primary Document Acesso aberto

Issued as part of: Sierra Leone Company. Substance of the reports delivered by the court of directors of the Sierra Leone Company ... Philadelphia : Thomas Dobson, 1799 (Evans 36310). First issued separately ( ...

0000 - Gale Group | SASII

Artigo Acesso aberto Revisado por pares

G. O. Shinji,

... been saturated with the solution of a certain substance, nearly one hundred per cent. of winged individuals ... making a distinction between these two groups of substances, we may call the former the "wing-developing" substances, and the latter, the "non-wing-developing" substances.3. As far as the tests go, the ... shown to belong to the non-wing-developing substances, while the salts of the heavy metals, and ... others belong to the category of wing-developing substances.4. The wing-developing substances were only effective ...

Tópico(s): Insect-Plant Interactions and Control

1918 - Marine Biological Laboratory (MBL) | Biological Bulletin

Artigo Revisado por pares

G. H. A. Clowes, Emma E. Bachman,

... suspended in sea water secrete a sperm-stimulating substance studied by Jacques Loeb and H. M. Fuchs, as well as the sperm-agglutinating substance investigated by Frank Lillie and O. Glaser. From ... Woods Hole, it appears that this sperm-stimulating substance may be derived from the eggs of the ... specific and is a comparatively simple volatile, organo substance, a product of enzymatic action or fermentation within the cell. This substance, the exact constitution of which is not yet ... activity of at least 100 to 1. This substance, when added to quiescent or attenuated sperm, greatly ...

Tópico(s): Cephalopods and Marine Biology

1921 - SAGE Publishing | Experimental Biology and Medicine

Artigo Acesso aberto Revisado por pares

Hans Zinsser,

... injections of large amounts of the acid-precipitable substances (nucleoproteins?) from bacterial extracts. 4. In animals made ... mechanism of hypersensitiveness to tuberculin and similar bacterial substances is still a problem of much uncertainty. The ... such reactions forces the conclusion that the sensitizing substance must, in some way, be derived from the ... keeping with biological experience to assume that one substance will sensitize to reaction with another. This mistake ... lie in the manner in which the sensitizing substance is administered to the animals, and that sensitization ...

Tópico(s): Tuberculosis Research and Epidemiology

1921 - Rockefeller University Press | The Journal of Experimental Medicine

Primary Document -- Manuscript Acesso aberto

UN and Palestine: UN Political Commission. Security resolutions. Substance of report on Truce observance sent in cable ...

1948 - Gale Group | ArchivesUnbound Arabi Israeli

Artigo Acesso aberto Revisado por pares

A. R. Dochez, Oswald T. Avery,

1. A specifically reacting substance of bacterial origin is present in the cell-free fluids of young cultures of pneumococcus. This substance is present when the organisms are growing at ... cell disintegration but represents the extrusion of bacterial substance by the living organism. 2. The blood and ... infected with pneumococcus contain a similar specific soluble substance during the early hours of the infectious process. ... more frequently in their urine a specific soluble substance of pneumococcus origin. The amount of this substance ...

Tópico(s): Infant Nutrition and Health

1917 - Rockefeller University Press | The Journal of Experimental Medicine

Primary Document Acesso aberto

... plate is dated: 28 Nov. 1794. Issued with: 'Substance of the report of the Court of Directors ...

0000 - Gale Group | SASII

Artigo Acesso aberto

J. A. Arkwright,

... to indicate the presence of two acid agglutinable substances in an emulsion of B. typhosus , ( a ) which ... and is present in a watery extract (this substance is rendered inagglutinable by heating to 80° C. ... B. typhosus , but has characters shared by similar substances in other bacilli; it resists heating to 100° ... 80° C. for half an hour. (3) The substance agglutinable by serum and that agglutinable by acid ... by washing with distilled water. The serum-agglutinable substance is however less easily completely removed. This apparent ...

Tópico(s): Antimicrobial Resistance in Staphylococcus

1914 - Cambridge University Press | Journal of Hygiene