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    Bukhanov, E. R.
    A study of wheat wax optical properties / E. R. Bukhanov, Y. L. Gurevich, K. A. Shabanova // Photonics & Electromagnetics Research Symposium - Fall (PIERS - Fall) : IEEE, 2019. - P. 2890-2897. - (Progress in Electromagnetics Research Symposium), DOI 10.1109/PIERS-Fall48861.2019.9021781. - Cited References: 36
   Перевод заглавия: Изучение оптических свойств воска пшеницы

РУБ Engineering, Electrical & Electronic + Physics, Applied
Рубрики:
DIMENSIONAL PHOTONIC CRYSTALS
BLUE-GREEN FLUORESCENCE
Аннотация: Epicuticular waxes are a multifunctional interface between a plant and the environment. In this paper wheat leaves wax has been studied. Wax isolation was carried out using the method of gradual freezing in water followed by slow thawing. The morphology of the samples obtained was observed with a Hitachi SU3500 electron microscope. The structure period is determined by the nanotubes diameter which equals 150-200 nm. Random orientation of their long axes in the layer allows using a one-dimensional model to calculate the transmission spectrum of a photonic crystal with the help of the transfer matrix method. While making the calculations a defect that may be caused by possible interlayer heterogeneity also must be taken into account. Numerical modeling made it possible to identify the stop zone and the defective mode. Intense fluorescence appears in the optical area of the wax layer under ultraviolet radiation, thus increasing the efficiency of photosynthesis.

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Держатели документа:
Kirensky Inst Phys Fed Res Ctr KSC SB RAS, Krasnoyarsk, Russia.
Fed Res Ctr KSC SB RAS, Krasnoyarsk, Russia.
Reshetnev Siberian State Univ Sci & Technol, Krasnoyarsk, Russia.

Доп.точки доступа:
Gurevich, Y. L.; Shabanova, K. A.; Буханов, Евгений Романович; Photonics and Electromagnetics Research Symposium - Fall(2019 ; Dec 17-20 ; Xiamen, China)
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    Bukhanov, E. R.
    Modeling an optical properties of plant epiticular wax / E.R. Bukhanov, Y.L. Gurevich, D.A. Shabanov // Информационные технологии и нанотехнологии (ИТНТ-2020) : сб трудов. - 2020. - P224-231. - Библиогр.: 38
   Перевод заглавия: Моделирование оптических свойств эпитикулярного воска растений
Аннотация: Wax is found on the leaves almost of all plants. Its physicochemical and protective properties are widely discussed in the scientific literature. In the presented work, the influence of the structure of wax on the optical properties in wheat leaves and needles of blue spruce has been revealed for the first time. Long-period ordering was established. The structural elements are nanotubes up to several microns in length and about 150 nm in diameter. The paper presents the influence of a long-period structure on the optical properties and local characteristics of light waves, including the transmission spectrum, the density of photon states, as well as fluorescence spectra and polarization microscopy. Using modern mathematical tools, the main spectral and optical characteristics were calculated using the example of the wax cover of blue spruce and glaucas wheat. Based on calculations that establish the relationship between the structural, spectral and optical properties, the influence of wax structures on the process of photosynthesis was revealed.

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Доп.точки доступа:
Gurevich, Юрий Леонидович; Shabanov, D. A.; Шабанов, Дмитрий Александрович; Буханов, Евгений Романович; "Информационные технологии и нанотехнологии", Международная конференция и молодежная школа(6 ; 2020 ; ; Самара (on-line)); Самарский национальный исследовательский университет им. акад. С.П. Королева; Институт систем обработки изображений РАН
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Bukhanov, E. R.
Photonics of plant chloroplasts / E. R. Bukhanov, M. N. Volochaev, S. A. Pyatina // Bull. Russ. Acad. Sci. Phys. - 2023. - Vol. 87, Is. 10. - P. 1488-1492, DOI 10.3103/S1062873823703549. - Cited References: 19 . - ISSN 1062-8738. - ISSN 1934-9432
Аннотация: It is shown that features of light propagation in plant leaves depend on the long-range ordering in chloroplasts and spectral characteristics of pigments. It is established that, allowing for the dispersion of chlorophyll’s absorption spectrum, the photonic density of states grows and the spectral peak shifts to the efficient photosynthesis wavelength range, enhancing the probability of photosynthesis.

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Публикация на русском языке Буханов, Евгений Романович. Фотоника хлоропластов растений [Текст] / Е. Р. Буханов, М. Н. Волочаев, С. А. Пятина. - 5 с. // Изв. РАН. Сер. физич. - 2023. - Т. 87 № 10. - С. 1458-1462

Держатели документа:
Kirensky Institute of Physics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Volochaev, M. N.; Волочаев, Михаил Николаевич; Pyatina, S. A.; Буханов, Евгений Романович
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Effect of long-period ordering of the structure of a plant on the initial stages of photosynthesis / M. A. Korshunov [et al.] // Dokl. Phys. - 2018. - Vol. 63, Is. 1. - P. 1-4, DOI 10.1134/S1028335818010068. - Cited References: 15 . - ISSN 1028-3358
Кл.слова (ненормированные):
Electromagnetic fields -- Plants (botany) -- Density of photonic state -- Long wavelength -- Photosystems -- Plant leaves -- Soft modes -- Stopband -- Two bands -- Water dissociation -- Transfer matrix method
Аннотация: Using data on the structure of plant leaves, specific features of light propagation in biophotoniccrystal structures have been established by the transfer matrix method. Splitting of the stopband in two bands has been found. The density of photonic states and the electromagnetic field value have been calculated. The occurrence of two photosystems (splitting of the stopband in two bands), the peculiarity of the long-wavelength quantum yield and its enhancement (Emerson effect), and water dissociation in the soft mode due to an increase in the electromagnetic field on the layers are explained.

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Публикация на русском языке Влияние длиннопериодической упорядоченности в структуре растений на первичные стадии фотосинтеза [Текст] / М. А. Коршунов [и др.] // Докл. Акад. наук. - 2018. - Т. 478 № 3. - С. 280-283

Держатели документа:
Kirenskii Institute of Physics, Federal Research Center, Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Federal Research Center, Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Korshunov, M. A.; Коршунов, Михаил Анатольевич; Shabanov, A. V.; Шабанов, Александр Васильевич; Bukhanov, E. R.; Shabanov, V. F.; Шабанов, Василий Филиппович
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    Influence of growth environment on structural and optical characteristics of barley / E. R. Bukhanov, V. N. Shikhov, A. G. Lipshin [et al.] // IV International conference on photonics research (Interphotonics 2022) : book of abstracts / International conference on photonics research (4 ; 2022 ; Apr. 22-28 ; Oludeniz, Turkey). - 2022. - Ст. Id-611. - P. 13
   Перевод заглавия: Влияние среды роста на структурные и оптические характеристики ячменя

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Держатели документа:
Kirensky Institute of Physics FRC «KSC of SB RAS», Krasnoyarsk, Russian Federation
Federal Research Center «KSC of SB RAS», Krasnoyarsk, Russian Federation
Institute of Biophysics FRC «KSC of SB RAS», Krasnoyarsk, Russian Federation
Krasnoyarsk Research Institute of Agriculture FRC «KSC of SB RAS», Krasnoyarsk, Russian Federation

Доп.точки доступа:
Bukhanov, E. R.; Буханов, Евгений Романович; Shikhov, V. N.; Шихов, В. Н.; Lipshin, A. G.; Velichko, V. V.; Surin, N. A.; International conference on photonics research(4 ; 2022 ; Apr. 22-28 ; Oludeniz, Turkey)
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Influence of growth environment on structural and optical characteristics of higher plants / E. Bukhanov, V. N. Shikhov, V. V. Velichko [et al.] // AIP Conf. Proc. - 2024. - Vol. 2924: Proceedings of the 3rd International Advances in Applied Physics and Materials Science Congress & Exhibition, Is. 1. - Ст. 040003, DOI 10.1063/5.0181655. - Cited References: 26 . - ISSN 0094-243X. - ISSN 1551-7616. - ISSN 978-07354
Аннотация: Two barley samples were taken for the study – one grown in the field and the other in a special chamber under intensive light. Chloroplasts structure was obtained during electron microscopy process. The results showed that the maximum quantum yield of photosystem II in both samples was in the range of values typical for normal physiological state of plants. At the same time, electron transport speed comparison shows that electrons are transferred 1.7 times faster in the vegetation chamber compared to field environment. Such difference is confirmed by the results of microscopy performed with flag leaves tissue samples of barley grown under intensive light in a chamber and in the field. A grana structure significantly denser and better organized was observed in chloroplasts of barley grown in chamber. This study shows a clear connection between the environment, the ordering of thylakoid structures and fluorescent indicators of photosynthesis.

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Держатели документа:
Kirensky Institute of Physics FRC, «KSC of SB RAS», Krasnoyarsk, 660036, Russian Federation
Federal Research Center, «KSC of SB RAS», Krasnoyarsk, Russian Federation
Institute of Biophysics FRC, «KSC of SB RAS», Krasnoyarsk, 660036, Russian Federation
Krasnoyarsk Research Institute of Agriculture FRC, «KSC of SB RAS», Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Bukhanov, E. R.; Буханов, Евгений Романович; Shikhov, V. N.; Velichko, V. V.; Lipshin, A. G.; Surin, N. A.; International Advances in Applied Physics and Materials Science Congress and Exhibition(3 ; April 22-28, 2022 ; Oludeniz, Turkey)
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Modeling optical properties of plant epicuticular wax / E. Bukhanov, Y. Gurevich, M. Krakhalev, D. Shabanov // Proceedings of ITNT 2020 - 6th IEEE International Conference on Information Technology and Nanotechnology : Institute of Electrical and Electronics Engineers Inc., 2020. - Ст. 9253272DOI 10.1109/ITNT49337.2020.9253272. - Cited References: 39
Кл.слова (ненормированные):
photonic crystal -- epicuticular wax -- density of photon states -- fluorescence
Аннотация: Wax is found on the leaves almost of all plants. Its physicochemical and protective properties are widely discussed in the scientific literature. In the presented work, the influence of the structure of wax on the optical properties in wheat leaves and needles of blue spruce has been revealed for the first time. Long-period ordering was established. The structural elements are nanotubes up to several microns in length and about 150 nm in diameter. The paper presents the influence of a long-period structure on the optical properties and local characteristics of light waves, including the transmission spectrum, the density of photon states, as well as fluorescence spectra and polarization microscopy. Using modern mathematical tools, the main spectral and optical characteristics were calculated using the example of the wax cover of blue spruce and glaucas wheat. Based on calculations that establish the relationship between the structural, spectral and optical properties, the influence of wax structures on the process of photosynthesis was revealed.

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Держатели документа:
Kirensky Institute of Physics Sb Ras, Krasnoyarsk, Russian Federation
Frc Ksc Sb Ras, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Bukhanov, E. R.; Буханов, Евгений Романович; Gurevich, Y.; Krakhalev, M. N.; Крахалев, Михаил Николаевич; Shabanov, D. A.; Шабанов, Дмитрий Александрович; IEEE International Conference on Information Technology and Nanotechnology(6th ; 26 - 29 May 2020 ; Samara, Russian Federation)
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The role of periodic structures in light harvesting / E. Bukhanov, A. V. Shabanov, M. N. Volochaev, S. A. Pyatina // Plants. - 2021. - Vol. 10, Is. 9. - Ст. 1967, DOI 10.3390/plants10091967. - Cited References: 34 . - ISSN 2223-7747
Кл.слова (ненормированные):
chloroplast -- thylakoid -- chlorophyll -- light harvesting -- density of photon states -- photosynthesis -- biophotonic crystal
Аннотация: The features of light propagation in plant leaves depend on the long-period ordering in chloroplasts and the spectral characteristics of pigments. This work demonstrates a method of determining the hidden ordered structure. Transmission spectra have been determined using transfer matrix method. A band gap was found in the visible spectral range. The effective refractive index and dispersion in the absorption spectrum area of chlorophyll were taken into account to show that the density of photon states increases, while the spectrum shifts towards the wavelength range of effective photosynthesis.

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Держатели документа:
Kirensky Institute of Physics FRC «KSC of SB RAS», Academgorodok str. 50/12, Krasnoyarsk, 660036, Russian Federation
Federal Research Center «KSC of SB RAS», Academgorodok str. 50, Krasnoyarsk, 660036, Russian Federation
Institute of Fundamental Biology and Biotechnology, Siberian Federal University, 79 Svobodnyi av., Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Bukhanov, E. R.; Буханов, Евгений Романович; Shabanov, A. V.; Шабанов, Александр Васильевич; Volochaev, M. N.; Волочаев, Михаил Николаевич; Pyatina, S. A.
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    Буханов, Евгений Романович.
    Моделирование оптических свойств на основе биологических структур / Е. Р. Буханов // IX Международная молодежная научная конференция "Физика. Технологии. Инновации" (ФТИ-2022) : тезисы докладов. - Екатеринбург, 2022. - Секция: Биоинженерия и биотехнологии. - С. 993-994. - Библиогр.: 5
   Перевод заглавия: Modeling optical properties of biological structures
Аннотация: Numerical calculations of the optical characteristics were made of the plant chloroplast structure based on thylakoids and the stromal distance between grana. The results showed that even on such small structures there are resonance phenomena in the visible wavelength range.

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Держатели документа:
Институт Физики им. Л.В. Киренского ФИЦ КНЦ СО РАН, Красноярск, Россия
Федеральный исследовательский центр КНЦ СО РАН, Красноярск, Россия

Доп.точки доступа:
Bukhanov, E. R.; "Физика.Технологии. Инновации", международная молодежная научная конференция(9 ; 2022 ; 16-20 мая ; Екатеринбург)Уральский федеральный университет им. первого Президента России Б.Н. Ельцина
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10.

Буханов, Евгений Романович.
Нанофотоника в высших растениях / Е.Р. Буханов, А.В. Шабанов // Сборник трудов XVIII Всероссийской школы-семинара «Физика и применение микроволн» имени профессора А.П. Сухорукова (Волны-2020). - 2020. - Секция 1: Метаматериалы и фотонные кристаллы. - С. 50-52. - Библиогр.: 17

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Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Шабанов, Александр Васильевич; Shabanov, A. V.; Bukhanov, E. R.; Московский государственный университет им. М.В. Ломоносова; Российский фонд фундаментальных исследований; Волны-2020, Всероссийская школа-семинар "Волновые явления в неоднородных средах" имени А. П. Сухорукова(18 ; 2020 ; 23-28 авг. ; Можайск, Московская обл.)"Волновые явления в неоднородных средах", Всероссийская школа-семинар имени А. П. Сухорукова(18 ; 2020 ; 23-28 авг. ; Можайск, Моск. обл.)
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