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Journals and Conferences
The adaptation process of the leaves of higher plants to dark and far red light under the conditions of oxygen deficiency was investigated. The reaction constant for the oxidation of the electron carrier molecules with oxygen in the dark was obtained and found to be 1.4 with 10-3 M-1 min-1.
The temperature dependence of steady-state millisecond delayed luminescence (DL) is studied within the temperature range from -23 to 45 degrees C in leaf segments of chinese rose (Hibiscus rosa-sinensis L.) and bean (Ficia faba). To describe the experimental dependence of DL steady-state intensity on temperature theoretically, we suggest the temperature… (More)
The temperature dependence of delayed luminescence of Hibiscus rosa sinensis leaves was studied in the temperature range from -25 degrees C to degrees C. Temperature dependence of the steady-state delayed luminescence intensity has two maxima, at -10 and at +35 degrees C. For the theoretical modeling, the mathematical model of plant photosynthesis… (More)
Using the method of Modified Neglect of Diatomic Overlap (MNDO), the electronic structure of plastoquinol (PQH(2)) and plastoquinone (PQ) in neutral, singly (PQ(-)) and doubly (PQ(2-)) reduced states is studied. The conformational analysis performed on these molecules shows that in the lowest energy conformation, the angle between the first link of the tail… (More)
The temperature dependence of parameters of light-induced changes in millisecond delayed luminescence (half-width of the maximum, maximal and steady-state luminescence intensity) is studied within the temperature range from -23 to 45 degrees C in leaf segments of Chinese rose (Hibiscus rosa sinensis). Delayed luminescence (DL) is induced and registered by a… (More)
Now the methods using the radiance with complex dependence of light intensity on time are applied to research of photosynthesis by means of fluorescence, exciting photosynthetic pigments. One of these methods is applied in PAM-fluorometers--the commercial devices currently widely used to investigate a state of photosynthesizing systems. However, if… (More)
The effect of the transport of sucrose from leaves of higher plants on the width of the spectra of induction of delayed luminescence was studied. It was shown that the duration of the induction period decreases when the sucrose outflow from the leaves is limited by cooling the leaf petiole for two hours under light. It was concluded that the accumulation of… (More)
Arguments pro et con the hypothesis about the transfer of neutral excitation between photosystems have been studied qualitatively; experiments which could help to solve this problem are proposed.