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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">vuzbiochemi</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Прикладная химия и биотехнология</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of Universities. Applied Chemistry and Biotechnology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2227-2925</issn><issn pub-type="epub">2500-1558</issn><publisher><publisher-name>ИРНИТУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21285/achb.933</article-id><article-id custom-type="edn" pub-id-type="custom">YXAMLK</article-id><article-id custom-type="elpub" pub-id-type="custom">vuzbiochemi-1282</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ФИЗИКО-ХИМИЧЕСКАЯ БИОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICOCHEMICAL BIOLOGY</subject></subj-group></article-categories><title-group><article-title>Ферментативный гидролиз высококонцентрированных субстратов, полученных из мискантуса гигантского</article-title><trans-title-group xml:lang="en"><trans-title>Enzymatic hydrolysis of highly concentrated substrates obtained from Miscanthus giganteus</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8897-347X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Скиба</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Skiba</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Скиба Екатерина Анатольевна - д.т.н., доцент, ведущий научный сотрудник.</p><p>659322, Бийск, ул. Социалистическая, 1</p></bio><bio xml:lang="en"><p>Ekaterina A. Skiba - Dr. Sci. (Engineering), Associate Professor, Leading Researcher.</p><p>1, Sotsialisticheskaya St., Biysk, 659322</p></bio><email xlink:type="simple">eas08988@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1593-7982</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кащеева</surname><given-names>Е. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kashcheyeva</surname><given-names>E. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кащеева Екатерина Ивановна - к.т.н., старший научный сотрудник.</p><p>659322, Бийск, ул. Социалистическая, 1</p></bio><bio xml:lang="en"><p>Ekaterina I. Kashcheyeva - Cand. Sci. (Engineering), Senior Researcher.</p><p>1, Sotsialisticheskaya St., Biysk, 659322</p></bio><email xlink:type="simple">massl@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9630-6332</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Золотухин</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Zolotukhin</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Золотухин Владимир Николаевич - к.т.н., старший научный сотрудник.</p><p>659322, Бийск, ул. Социалистическая, 1</p></bio><bio xml:lang="en"><p>Vladimir N. Zolotukhin - Cand. Sci. (Engineering), Senior Researcher.</p><p>1, Sotsialisticheskaya St., Biysk, 659322</p></bio><email xlink:type="simple">zolotukhin_vn@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3088-1198</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кухленко</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kukhlenko</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кухленко Алексей Анатольевич - к.т.н., ведущий инженер.</p><p>630058, г. Новосибирск, ул. Тихая, 1</p></bio><bio xml:lang="en"><p>Alexey A. Kukhlenko - Cand. Sci. (Engineering), Lead Engineer.</p><p>1, Tikhaya St., Novosibirsk, 630058</p></bio><email xlink:type="simple">ak-79@rambler.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт проблем химико-энергетических технологий СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute for Problems of Chemical and Energetic Technologies SB RAS</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>АО «Специальное конструкторско-технологическое бюро “Катализатор”»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Joint Stock Company “Special Design and Technology Bureau ‘Catalyst’”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>30</day><month>09</month><year>2024</year></pub-date><volume>14</volume><issue>3</issue><fpage>394</fpage><lpage>405</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Скиба Е.А., Кащеева Е.И., Золотухин В.Н., Кухленко А.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Скиба Е.А., Кащеева Е.И., Золотухин В.Н., Кухленко А.А.</copyright-holder><copyright-holder xml:lang="en">Skiba E.A., Kashcheyeva E.I., Zolotukhin V.N., Kukhlenko A.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://vuzbiochemi.elpub.ru/jour/article/view/1282">https://vuzbiochemi.elpub.ru/jour/article/view/1282</self-uri><abstract><p>В работе впервые исследуется ферментативный гидролиз четырех видов субстратов, полученных из мискантуса гигантского сорта КАМИС российской селекции, с помощью авторских методов химической предварительной обработки, проводимой при атмосферном давлении с использованием разбавленных растворов HNO3 и NaОН. Одностадийная предварительная обработка мискантуса гигантского позволяет повысить содержание полисахаридов до 90,4–90,8%, а двустадийная обработка – до 98,3–99,4%. Результаты опытных данных ферментативного гидролиза четырех полученных субстратов в диапазоне начальных концентраций от 30 до 120 г/л аппроксимированы с использованием подходов фрактальной кинетики. Повышение начальных концентраций субстрата в указанном диапазоне приводит к повышению начальной скорости гидролиза в 2,8–3,3 раза и снижению выхода редуцирующих сахаров на 12,4–13,1%. Все четыре вида предобработки оказались чрезвычайно эффективны для мискантуса гигантского, так как обеспечили повышение реакционной способности к ферментативному гидролизу в 34–36 раз по сравнению с исходным сырьем. Сниженные выходы редуцирующих сахаров наблюдаются при ферментативном гидролизе продукта щелочной делигнификации мискантуса гигантского, что связано с устойчивостью мискантуса гигантского к обработке гидроксидом натрия. Повышение начальной концентрации субстратов от 60 до 90 г/л не приводит к существенному снижению выхода редуцирующих сахаров, поэтому ферментативный гидролиз высококонцентрированных субстратов может успешно использоваться для получения биотоплив и биохимикатов.</p></abstract><trans-abstract xml:lang="en"><p>This work is the first to study the enzymatic hydrolysis of four types of substrates obtained from Miscanthus giganteus of the KAMIS variety of Russian breeding. The study was conducting using the authors’ methodology based on a chemical pretreatment of substrates at atmospheric pressure with HNO3 and NaOH dilute solutions. A one-stage pretreatment of Miscanthus giganteus allows the polysaccharide content to be increased up to 90.4–90.8%, compared to 98.3–99.4% following a two-stage treatment. The experimental results of enzymatic hydrolysis of the four obtained substrates in the range of initial concentrations from 30 to 120 g/l are approximated using fractal kinetics approaches. An increase in the initial substrate concentrations in the specified range leads to an increase in the initial hydrolysis rate by 2.8–3.3 times and a decrease in the yield of reducing sugars by 12.4–13.1%. All four pretreatment types turned out to be extremely effective for Miscanthus giganteus, ensuring an increase in the reactivity to enzymatic hydrolysis by 34–36 times compared to the starting raw material. Lowered yields of reducing sugars are observed during enzymatic hydrolysis of the alkaline delignification product of Miscanthus giganteus, which is associated with the resistance of Miscanthus giganteus to treatment with sodium hydroxide. An increase in the initial concentration of substrates from 60 to 90 g/l does not lead to a significant decrease in the yield of reducing sugars. Therefore, enzymatic hydrolysis of highly concentrated substrates can be successfully used to produce biofuels and biochemicals.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>мискантус гигантский</kwd><kwd>ферментативный гидролиз</kwd><kwd>высокая концентрация</kwd><kwd>фрактальная кинетика</kwd></kwd-group><kwd-group xml:lang="en"><kwd>miscanthus</kwd><kwd>pretreatment</kwd><kwd>enzymatic hydrolysis</kwd><kwd>high concentration</kwd><kwd>fractal kinetics</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена за счет гранта Российского научного фонда № 22-13-00107, https://rscf. ru/project/22-13-00107/</funding-statement><funding-statement xml:lang="en">The Russian Science Foundation supported this research (no. 22-13-00107, https://rscf.ru/project/22-13-00107/)</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Wagh M.S., Sowjanya S., Nath P.C., Chakraborty A., Amrit R., Mishra B., et al. 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