Сводный каталог книг

[Text] : научное издание / T. Shiroya et al., // Canadian Journal of Botany. - 1962. - Vol.: 40. - С. 1125-1135 : табл. - Библиогр.: с. 1135

УДК

58

Аннотация: Pinus strobus or P. resinosa seedlings, 2 or 3 years old, were illuminated in a closed chamber for 1 hour in the presence of C14O2. This was followed by various periods up to 24 hours under different conditions of light and darkness. Then each seedling was divided into its shoot, stem, and roots, and these were extracted separately with 80% ethanol. The extracts were resolved first on resins into sugar, amino acid, and organic acid fractions and then resolved further by paper chromatography. The C14 content of various fractions and the eluted compounds was determined by plating and counting their aliquots. Ethanol-insoluble residue was oxidized and counted as BaC14O3. 8 hours after administration of the C14O2, 91 to 94% of the total C 14 was found in the ethanol-soluble fractions of shoot, stem, or root. In the shoots sugars were found to represent more than 95% of the ethanol-soluble photosynthate, with sucrose forming three-quarters of it. In stem and roots sucrose represented from 75 to 94% of the translocated photosynthate. Raffinose, glucose, and fructose were present in both stem and root.

[Текст] / E. Ambellan, V.P. Hollander. - New York : [б. и.], 1966. - 474-484 с. : рис. - (Analytical Chemistry ; vol. 17). - eng. - Библиогр. в конце ст. - 0.66 р.

УДК

577

Аннотация: A method is described for the precipitation of unhydrolyzed RNA after RNase digestion that avoids the use of strong acids and is extremely sensitive for enzyme assay. The dilution step usually required for spectrophotometric measurements of supernatant fractions after separation from unhydrolyzed RNA is eliminated. The precipitating reagent is buffered lanthanum-magnesium-ethanol added in 10-fold volume to enzyme incubation mixtures. In the macroassay, an increase in absorbancy of 0.41 is obtained with 1 m g bovine pancreatic RNase after 15 min incubation at 37 C. For micromethods, the ethanol can be replaced by Cellosolve (2-ethoxyethanol) and sensitivity increased 5- to 10-fold


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Hollander, V.P.
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[Text] = Modern methods of plant analysis / Herg. von K. Paech, M.V. Tracey. / Bearb. von G. Braunitzer et al. - Berlin ; Gottingen ; Heidelberg : Springer-Verlag. - 542 p. : рис., табл. - ger. - eng. - Библиогр. в конце разд. - 121.00 р.

УДК

577

Аннотация: This volume deals with plant analysis to find or select the best avalable methods for their purposes. The collection offered in this handbook may help to pave the way for tackling problems in those fields of pure botany where chemical components are useful as indicators of the varied activities of the living plant cell

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[Text] = Modern methods of plant analysis / Herg. von K. Paech, M.V. Tracey. / Bearb. von S.A. Barker et al. - Berlin ; Gottingen ; Heidelberg : Springer-Verlag, 1955. - 626 p. : рис., табл. - ger. - eng. - Библиогр. в конце разд. - 121.00 р.

УДК

577

Аннотация: The volume deals with mono- and oligosaccharides and acidic monosaccharide derivatives, Naturstoffe, phosphorylated sugars, cellulose and hemicelluloses et al

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[Text] = Enzymatisk spjalkning av sackaros med nagra stammar av Valsa nivea Fr. : научное издание / A. Persson-Huppel. - Stockholm : Skogshogskolan, 1963. - 29 p. : рис., табл. - (Studia Forestalia Suecica ; № 7). - eng. - Библиогр.: с. 26-27. - 0.09 р.

УДК

06

Аннотация: The paper deals with the results of the present investigation: bark extracts from hybrid aspen and its parent species contained different sugars; if the fungus will, on the whole, establish and develop an attack inside the host, the capacity of utilizing the present sources of energy may be decisive; in experiments in vitro the effect of sucrose as a source of energy has been studied

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[Text] = Melampsora pinitorqua (Braun) Rostr. pa avkommor av Pinus silvestris och i forhallande till tillvaxtreglerande amnen : монография / A. Klingstrom. - Stockholm : Skogshogskolan, 1969. - 76 p. : рис., табл. - (Studia Forestalia Suecica, ISSN 0039-3150 ; № 69). - eng. - Библиогр.: с. 71-74. - Б. ц.

УДК

06

Аннотация: Various methods of recording pine twisting rust have been discussed, and attack frequences on 75 progenies of Pinus silvestris plus trees have been noted. Mention has also been made to the possibility of resistance breeding. Acid ether extracts of annual shoots of Pinus silvestris have been examined by various bioassays. Marked differences in the inhibitor effect between extracts from different pine clones have been established. A possible connection between inhibitor content and resistance has been discussed. Reduction in inhibitor content during axial extension and inhibitors in leachates from pine shoots has been connected with Melampsora occurrence. Gel filtration combined with thin layer chromatography has been used for separating tha extract components. Among the inhibitors a number of resin acids have been identified by chemical means

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[Text] = Chemical composition of the above ground biomass of small-sized trees : научное издание / R. Voipio, T. Laakso. - Helsinki : Metsantutkimuslaitos, 1992. - 22 с. : рис., табл. - (Folia Forestalia ; № 789). - fin. - Библиогр.: с. 20-21. - ISSN 0015-5543. - ISBN 951-40-1202-X : 1.00 р.

УДК

06

Аннотация: The total extractive, Klason lignin and monosacharide (glucose, xylose, galactose, arabinose and mannose) content in wood, inner and outer bark and foliage of small-sized trees were studied. Chemical results from different parts of trees were compared within each tree species as well as between the tree species.


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Laakso, T.
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