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  1. Book: Hormonalʹnyĭ kompleks roslyn i hrybiv

    Sytnik, K. M

    2003  

    Title variant Hormonal complex of plants and fungi
    Author's details K.M.Sytnyk ... [et al]
    Keywords Plant hormones. ; Fungi/Physiology.
    Language Russian
    Size 186 p. :, ill. ;, 20 cm.
    Publisher Instytut botaniky im. M.H. Kholodnoho NAN Ukraïny
    Publishing place Kyïv
    Document type Book
    Note Summary also in English.
    ISBN 9668002563 ; 9789668002564
    Database NAL-Catalogue (AGRICOLA)

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  2. Book: Pisli︠a︡zbyralʹne dozrivanni︠a︡ nasinni︠a︡ ozymykh khlibnykh zlakiv

    Sytnik, K. M

    2002  

    Author's details Sytnyk, K.M. ... [et al.]
    Keywords Winter wheat ; Winter wheat/Seeds. ; Winter wheat/Preharvest sprouting
    Language Ukrainian
    Size 131 p. :, ill. ;, 21 cm.
    Publisher Fitosot︠s︡iot︠s︡entr
    Publishing place Kyïv
    Document type Book
    ISBN 9667938654 ; 9789667938659
    Database NAL-Catalogue (AGRICOLA)

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  3. Article: Peculiarities of ultrastructure of Chlorella cells growing aboard the Bion-10 during 12 days.

    Popova, A F / Sytnik, K M

    Advances in space research : the official journal of the Committee on Space Research (COSPAR)

    2000  Volume 17, Issue 6-7, Page(s) 99–102

    Abstract: The ultrastructure of Chlorella cells grown in darkness on a solid agar medium with organic additions aboard the Bion-10 biosatellite was studied. Certain differences in submicroscopic organization of organelles in the experimental cells were revealed ... ...

    Abstract The ultrastructure of Chlorella cells grown in darkness on a solid agar medium with organic additions aboard the Bion-10 biosatellite was studied. Certain differences in submicroscopic organization of organelles in the experimental cells were revealed compared to the Earth control. The changes are registered mainly in ultrastructure of energetic organelles--mitochondria and plastids of the experimental cells, in particular, an increase of mitochondria and their cristae size, as well as an increase of the total volume of mitochondrion per cell were established. The decrease of the starch amount in the plastid stroma and the electron density of the latter was also observed. In many experimental cells, the increase of condensed chromatin in the nuclei has been noted. Ultrastructural rearrangements in cells after laboratory experiment realized according to the thermogram registered aboard the Bion-10 were insignificant compared to the flight experiment. Data obtained are compared to results of space flight experiments carried out aboard the Bion-9 (polycomponent aquatic system) and the orbital station Mir (solid agar medium).
    MeSH term(s) Chlorella/ultrastructure ; Darkness ; Microscopy, Electron ; Mitochondria/physiology ; Mitochondria/ultrastructure ; Organelles/physiology ; Organelles/ultrastructure ; Plastids/physiology ; Plastids/ultrastructure ; Space Flight ; Weightlessness
    Language English
    Publishing date 2000-11-16
    Publishing country England
    Document type Comparative Study ; Journal Article
    ZDB-ID 392339-3
    ISSN 0273-1177
    ISSN 0273-1177
    DOI 10.1016/0273-1177(95)00619-p
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

    Einzelsign.: Show issues
    Z 82/701: Show issues
    CONF 13: Show issues

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  4. Article: Hydrolytic opening of the quinazoline ring in 3-furfuryl-4-oxo-3,4-dihydroquinazoline derivatives

    Shemchuk, L. A / Chernykh, V. P / Levashov, D. V / Sytnik, K. M

    Russian journal of organic chemistry. 2010 Aug., v. 46, no. 8

    2010  

    Abstract: Ethyl 3-furfuryl-4-oxo-3,4-dihydroquinazoline-2-carboxylate extremely readily undergoes hydrolysis in acid, alkaline, or neutral medium with formation of 2-(2-ethoxy-1,2-dioxoethylamino)-N-furfurylbenzamide. The reaction of ethyl 3-furfuryl-4-oxo-3,4- ... ...

    Abstract Ethyl 3-furfuryl-4-oxo-3,4-dihydroquinazoline-2-carboxylate extremely readily undergoes hydrolysis in acid, alkaline, or neutral medium with formation of 2-(2-ethoxy-1,2-dioxoethylamino)-N-furfurylbenzamide. The reaction of ethyl 3-furfuryl-4-oxo-3,4-dihydroquinazoline-2-carboxylate with phenylmagnesium bromide yields N-furfuryl-2-(2-hydroxy-2,2-diphenyl-1-oxoethylamino)benzamide as a result of hydrolytic cleavage of the quinazoline ring.
    Language English
    Dates of publication 2010-08
    Size p. 1243-1245.
    Publisher SP MAIK Nauka/Interperiodica
    Publishing place Dordrecht
    Document type Article
    ZDB-ID 2065669-5
    ISSN 1608-3393 ; 1070-4280
    ISSN (online) 1608-3393
    ISSN 1070-4280
    DOI 10.1134/S1070428010080208
    Database NAL-Catalogue (AGRICOLA)

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  5. Article: Changes in plant mitochondria ultrastructure and respiration intensity in altered gravity.

    Sytnik, K M / Popova, A F

    Journal of gravitational physiology : a journal of the International Society for Gravitational Physiology

    1998  Volume 5, Issue 1, Page(s) P169–70

    Abstract: Analysis of experimental results involving both animals and plants showed that cell mitochondria considerably changed regarding organelles shape, matrix density, number and size of cristae. However, oxidative-reductive enzymes did not lose their activity ...

    Abstract Analysis of experimental results involving both animals and plants showed that cell mitochondria considerably changed regarding organelles shape, matrix density, number and size of cristae. However, oxidative-reductive enzymes did not lose their activity (2). Moreover, there are some data concerning an increase in respiration intensity of plants grown on a horizontal clinostat (3) and in seedlings being on board of Biosatellite-11 (4). Similar rearrangements in mitochondria are also observed during clinorotation (5). Taking into account that energy supply of cells during their adaptation to various factors considerably depends on the functional activity of these organelles along with ultrastructure the activity of some enzymes of energetic and oxidative metabolism as well as the level of cell respiration in altered gravity was studied.
    MeSH term(s) Ca(2+) Mg(2+)-ATPase/metabolism ; Cell Respiration ; Chlorella/cytology ; Chlorella/metabolism ; Chlorella/ultrastructure ; Gravitation ; Mitochondria/metabolism ; Mitochondria/physiology ; Mitochondria/ultrastructure ; Rotation ; Space Flight ; Succinate Dehydrogenase/metabolism ; Weightlessness
    Chemical Substances Succinate Dehydrogenase (EC 1.3.99.1) ; Ca(2+) Mg(2+)-ATPase (EC 3.6.1.-)
    Language English
    Publishing date 1998-07
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2171102-1
    ISSN 1077-9248
    ISSN 1077-9248
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 6244: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
    ab Jg. 2022: Lesesaal (EG)

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  6. Book: Formy i metody upravlenija naučno-techničeskim progressom v regione

    Sytnik, K. M

    1988  

    Institution Akademija Nauk Ukrainskoj SSR, Otdelenie Naučnoj Informacii Instituta Matematiki
    Author's details K. M. Sytnik [Hrsg.]. Akademija Nauk Ukrainskoj SSR, Otdelenie Naučnoj Informacii Instituta Matematiki
    Size 141 S
    Publisher Naukova Dumka
    Publishing place Kiev
    Document type Book
    Note In kyrill. Schr.
    ISBN 5120004334 ; 9785120004336
    Database Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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  7. Article: Effects of abscisic acid on the contents of polyamines and proline in common bean plants under salt stress

    Shevyakova, N. I / Musatenko, L. I / Stetsenko, L. A / Vedenicheva, N. P / Voitenko, L. P / Sytnik, K. M / Kuznetsov, Vl. V

    Russian journal of plant physiology. 2013 Mar., v. 60, no. 2

    2013  

    Abstract: The effects of ABA treatment on the contents of polyamines (PAs) and proline (Pro) in the glycophyte Phaseolus vulgaris L. during plant adaptation to salt stress were studied. Two-week-old common bean seedlings grown in the phytotron chamber on the ... ...

    Abstract The effects of ABA treatment on the contents of polyamines (PAs) and proline (Pro) in the glycophyte Phaseolus vulgaris L. during plant adaptation to salt stress were studied. Two-week-old common bean seedlings grown in the phytotron chamber on the Jonson nutrient medium were subjected to salinity for 6 days by one-time NaCl addition to medium up to final concentrations of 50 and 100 mM. During first three days of salinity, the root system was daily treated with ABA (1, 5, 10, or 50 μM) for 30 min. Salt stress (100 mM NaCl) elevated the level of endogenous ABA, increased the content of Pro 14-fold, reduced sharply the content of free PAs (putrescine, spermidine, spermine, and cadaverine), and the accumulation of 1,3-diaminopropan, a product of oxidation of high-molecular PAs. Common bean plant treatment with 1 μM ABA weakened the adverse effects of salt stress (100 mM NaCl), which was manifested in the maintenance of plant growth, stimulation of chlorophyll (a and b) and carotenoid accumulation, a stabilization of water and Na⁺ balance. Seedling treatment with ABA suppressed NaCl-induced Pro and intracellular ABA accumulation and restored the levels of putrescine and spermidine. The content of spermine in the leaves of plants subjected to salt stress and treated with ABA was approximately threefold higher than in control plants, whereas the content of cadaverine increased under similar conditions more than fivefold. Simultaneously, the contents of 1,3-diaminopropan and malondialdehyde as well as activity of superoxide dismutase were reduced, which indicates a weakening of oxidative stress, one of the possible causes of defensive ABA effects against salt stress. In addition, the suppression by exogenous ABA of Pro accumulation and stimulation of PA content under salt stress confirm indirectly our hypothesis that ABA is involved in the coordinated regulation of two biosynthetic pathways, Pro and PA formation, which use a common precursor, glutamate, and play an important protective role during stress in plants.
    Keywords Phaseolus vulgaris ; abscisic acid ; adverse effects ; beans ; biochemical pathways ; cadaverine ; chlorophyll ; leaves ; oxidation ; oxidative stress ; plant adaptation ; plant growth ; proline ; putrescine ; root systems ; salinity ; salt stress ; seedlings ; sodium ; sodium chloride ; spermidine ; spermine ; superoxide dismutase
    Language English
    Dates of publication 2013-03
    Size p. 200-211.
    Publishing place Springer-Verlag
    Document type Article
    ZDB-ID 1166808-8
    ISSN 1608-3407 ; 1070-3292 ; 1021-4437
    ISSN (online) 1608-3407
    ISSN 1070-3292 ; 1021-4437
    DOI 10.1134/S102144371301007X
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Bonn / Germany

    Z 80/728: Show issues
    Z 1938: Show issues

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  8. Book: Kosmičeskaja Biologija i biotechnologija

    Sytnik, K. M

    1986  

    Institution Akademija Nauk Ukrainskoj SSR, Institut Molekuljarnoj Biologii i Genetiki
    Author's details K. M. Sytnik [Hrsg.]. Akademija Nauk Ukrainskoj SSR, Institut Molekuljarnoj Biologii i Genetiki
    Size 70 S
    Publisher Naukova Dumka
    Publishing place Kiev
    Document type Book
    Database Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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  9. Article: Synthesis of 3-aryl-2-[hydroxy(diaryl)methyl]-4-oxo-3,4-dihydroquinazolines

    Shemchuk, L. A / Chernykh, V. P / Levashov, D. V / Sytnik, K. M / Shemchuk, L. M

    Russian journal of organic chemistry. 2010 Nov., v. 46, no. 11

    2010  

    Abstract: By heating arylamides of N-ethoxalylanthranilic acid in the acetic acid mediun in the presence of triethylamine the corresponding ethyl 3-aryl-4-oxo-3,4-dihydroquinazoline-2-carboxylates were obtained. The latter in the conditions of the Grignard ... ...

    Abstract By heating arylamides of N-ethoxalylanthranilic acid in the acetic acid mediun in the presence of triethylamine the corresponding ethyl 3-aryl-4-oxo-3,4-dihydroquinazoline-2-carboxylates were obtained. The latter in the conditions of the Grignard reaction formed 3-aryl-2-[hydroxy-(diaryl)methyl]-4-oxo-3,4-dihydroquinazolines.
    Language English
    Dates of publication 2010-11
    Size p. 1687-1690.
    Publisher SP MAIK Nauka/Interperiodica
    Publishing place Dordrecht
    Document type Article
    ZDB-ID 2065669-5
    ISSN 1608-3393 ; 1070-4280
    ISSN (online) 1608-3393
    ISSN 1070-4280
    DOI 10.1134/S107042801011014X
    Database NAL-Catalogue (AGRICOLA)

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  10. Book: Living in the environment

    Sytnik, K. M

    a sourcebook for environmental education

    1985  

    Institution Unesco.
    United Nations Environment Programme
    Author's details [authors, K.M. Sytnik ... et al.]
    Keywords Environmental protection. ; Conservation of natural resources. ; Ecology.
    Language English
    Size 230 p., [26] p. of plates :, ill. (some col.) ;, 23 cm.
    Publisher Unesco/UNEP ; Naukova Dumka Publishers
    Publishing place Kiev
    Document type Book
    Note "Translated from Russian"--T.p. verso.
    ISBN 9231023063 ; 9789231023064
    Database NAL-Catalogue (AGRICOLA)

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