<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE book PUBLIC "-//NLM//DTD BITS Book Interchange DTD v2.3 20210610//EN" "BITS-book2.3.dtd"> <book xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mml="http://www.w3.org/1998/Math/MathML" book-type="conference-proceedings" dtd-version="2.3" xml:lang="ru"> <front> <book-meta>   <book-id pub-id-type="doi">10.31483/a-10871</book-id>   <title-group>  <book-title xml:lang="ru">Фундаментальные и прикладные исследования по приоритетным направлениям биоэкологии и биотехнологии</book-title>   <trans-title-group xml:lang="en"> <trans-title>Fundamental and applied research for key propriety areas of bioecology and biotechnology</trans-title> </trans-title-group>  </title-group>  <description xml:lang="ru"> <p>В сборнике представлены статьи участников IX Всероссийской научно-практической конференции с международным участием «Фундаментальные и прикладные исследования по приоритетным направлениям биоэкологии и биотехнологии». В материалах сборника приведены результаты теоретических и прикладных изысканий представителей научного и образовательного сообщества в области биологии и медицины. Статьи представлены в авторской редакции.</p> </description>   <contrib-group>  <contrib contrib-type="editor" id="editor1">  <contrib-id contrib-id-type="role">chief_editor</contrib-id>    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Антонова</surname> <given-names>Елена Ивановна</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Antonova</surname> <given-names>Elena Ivanovna</given-names> </name>  </name-alternatives>  <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3686-9686</contrib-id> <email xlink:type="simple">antonov_67@mail.ru</email> </contrib>  <contrib contrib-type="editor" id="editor2">    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Ленгесова</surname> <given-names>Наталья Анатольевна</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Lengesova</surname> <given-names>Natal&#039;ia Anatol&#039;evna</given-names> </name>  </name-alternatives>  <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7512-6386</contrib-id> <email xlink:type="simple">lengesova@yandex.ru</email> </contrib>  <contrib contrib-type="editor" id="editor3">    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Фирсова</surname> <given-names>Наталья Викторовна</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Firsova</surname> <given-names>Natalia Viktorovna</given-names> </name>  </name-alternatives>  <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9907-8857</contrib-id> <email xlink:type="simple">n-firsova@mail.ru</email> </contrib>  </contrib-group>   <contrib-group>  <contrib contrib-type="member-of-organizing-committee" id="orgcomm1">    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Антонова</surname> <given-names>Елена Ивановна</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Antonova</surname> <given-names>Elena Ivanovna</given-names> </name>  </name-alternatives>  <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3686-9686</contrib-id> </contrib>  <contrib contrib-type="member-of-organizing-committee" id="orgcomm2">    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Антонова</surname> <given-names>Елена Ивановна</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Antonova</surname> <given-names>Elena Ivanovna</given-names> </name>  </name-alternatives>  <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3686-9686</contrib-id> </contrib>  <contrib contrib-type="member-of-organizing-committee" id="orgcomm3">    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Ленгесова</surname> <given-names>Наталья Анатольевна</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Lengesova</surname> <given-names>Natal&#039;ia Anatol&#039;evna</given-names> </name>  </name-alternatives>  <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7512-6386</contrib-id> </contrib>  <contrib contrib-type="member-of-organizing-committee" id="orgcomm4">    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Фирсова</surname> <given-names>Наталья Викторовна</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Firsova</surname> <given-names>Natalia Viktorovna</given-names> </name>  </name-alternatives>  <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9907-8857</contrib-id> </contrib>  <contrib contrib-type="member-of-organizing-committee" id="orgcomm5">    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Давидюк</surname> <given-names>Юрий Николаевич</given-names> </name>   </name-alternatives>   </contrib>  <contrib contrib-type="member-of-organizing-committee" id="orgcomm6">    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Ефремов</surname> <given-names>Андрей Николаевич</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Efremov</surname> <given-names>Andrei Nikolaevich</given-names> </name>  </name-alternatives>  <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8983-392X</contrib-id> </contrib>  <contrib contrib-type="member-of-organizing-committee" id="orgcomm7">    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Ачилов</surname> <given-names>Атабег Батырович</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Achilov</surname> <given-names>Atabeg Batyrovich</given-names> </name>  </name-alternatives>   </contrib>  <contrib contrib-type="member-of-organizing-committee" id="orgcomm8">    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Торутанов</surname> <given-names>Павел Сергеевич</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Torutanov</surname> <given-names>Pavel Sergeevich</given-names> </name>  </name-alternatives>   </contrib>  </contrib-group>   <event>  <event-desc xml:lang="ru">Фундаментальные и прикладные исследования по приоритетным направлениям биоэкологии и биотехнологии</event-desc>  <event-desc xml:lang="en">Fundamental and applied research for key propriety areas of bioecology and biotechnology</event-desc>   <conf-date> <day>22</day> <month>05</month> <year>2026</year> </conf-date>   <conf-loc xml:lang="ru">Ульяновск</conf-loc>  </event>   <publisher> <publisher-name>ИД «Среда»</publisher-name> </publisher>    <pub-date date-type="collection" publication-format="electronic" iso-8601-date="1900"> <year>1900</year> </pub-date>    <permissions>  <copyright-statement xml:lang="en">© 2026 Pavel E. Platonov, Mariia A. Frolova, Anatolii P. Zhuravlev</copyright-statement>   <copyright-statement xml:lang="ru">© 2026 Платонов П. Е., Фролова М. А., Журавлев А. П.</copyright-statement>   <copyright-year>2026</copyright-year>  <copyright-holder xml:lang="ru">Платонов П. Е., Фролова М. А., Журавлев А. П.</copyright-holder>   <copyright-holder xml:lang="en">Pavel E. Platonov, Mariia A. Frolova, Anatolii P. Zhuravlev</copyright-holder>    <license license-type="open-access" xlink:href="https://creativecommons.org/licenses/by/4.0/" xml:lang="en" xlink:type="simple"> <license-p>This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0)</license-p> </license>   <license license-type="open-access" xlink:href="https://creativecommons.org/licenses/by/4.0/" xml:lang="ru" xlink:type="simple"> <license-p>Это произведение доступно по лицензии Creative Commons Attribution 4.0 International (CC BY 4.0)</license-p> </license>   </permissions>  </book-meta> <book-part book-part-type="conference-paper"> <book-part-meta>   <book-id custom-type="publisher-id" pub-id-type="custom">168397</book-id> <title-group>  <chapter-title xml:lang="ru">Содержание стронция в листьях лопуха большого (Arctium lappa l.) первого года жизни</chapter-title>   <trans-title-group xml:lang="en"> <trans-title>Strontium Content in the Leaves of Greater Burdock (Arctium lappa L.) during the First Year of Life</trans-title> </trans-title-group>  </title-group>  <contrib-group>   <contrib contrib-type="author" id="author1">   <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Платонов</surname> <given-names>Павел Евгеньевич</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Platonov</surname> <given-names>Pavel Evgenevich</given-names> </name>   </name-alternatives>  <email xlink:type="simple">Pavelplat2007@mail.ru</email> <xref ref-type="aff" rid="aff1"/> </contrib>   <contrib contrib-type="author" id="author2">   <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Фролова</surname> <given-names>Мария Александровна</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Frolova</surname> <given-names>Mariia Aleksandrovna</given-names> </name>   </name-alternatives>  <email xlink:type="simple">mariafrolova25@yandex.ru</email> <xref ref-type="aff" rid="aff1"/> </contrib>   <contrib contrib-type="author" id="author3">   <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Журавлев</surname> <given-names>Анатолий Петрович</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Zhuravlev</surname> <given-names>Anatolii Petrovich</given-names> </name>   </name-alternatives>  <email xlink:type="simple">zaboiski1972@gmail.com</email> <xref ref-type="aff" rid="aff2"/> </contrib>    <aff-alternatives id="aff1">   <aff xml:lang="ru">  <institution-wrap> <institution-id institution-id-type="ror">01jmd7f74</institution-id> <institution>Чувашский государственный университет им. И.Н. Ульянова</institution> </institution-wrap>   <country>Россия</country> </aff>    <aff xml:lang="en">  <institution-wrap> <institution-id institution-id-type="ror">01jmd7f74</institution-id> <institution>Chuvash State University</institution> </institution-wrap>   <country>Russia</country> </aff>     </aff-alternatives>  <aff-alternatives id="aff2">   <aff xml:lang="ru">  <institution-wrap> <institution-id institution-id-type="ror">042xdvf13</institution-id> <institution>Чувашский государственный аграрный университет</institution> </institution-wrap>   <country>Россия</country> </aff>    <aff xml:lang="en">  <institution-wrap> <institution-id institution-id-type="ror">042xdvf13</institution-id> <institution>Chuvash State Agricultural Academy</institution> </institution-wrap>   <country>Russia</country> </aff>   </aff-alternatives>  </contrib-group>      <abstract xml:lang="ru"> <p>В статье представлены результаты количественного определения стронция в образцах листьев лопуха большого (Arctium lappa L.), отобранных на территории Чувашской Республики. С применением метода рентгенофлуоресцентной спектрометрии (РФС) на спектрометре Shimadzu EDX-7000 в сочетании с методом добавок установлено содержание изучаемого вещества. Многократное превышение регламентированных нормативных значений содержания стронция в лекарственном растительном сырье стало свидетельством потенциально экологической нагрузки на территорию сбора и обусловливает необходимость внедрения систематического контроля качества фитосырья. Продемонстрирована эффективность и воспроизводимость метода РФС для неразрушающего экспресс-анализа элементного состава растительных матриц.</p> </abstract>      <trans-abstract xml:lang="en"> <p>The present study reports the results of quantitative determination of strontium in leaf samples of greater burdock (Arctium lappa L.) collected in the Chuvash Republic. The content of the target element was determined using X‑ray fluorescence spectrometry (XRF) with a Shimadzu EDX 7000 spectrometer, combined with the standard addition method. The strontium levels in the medicinal plant material were found to exceed the established regulatory limits by several times, indicating a potential environmental load on the collection area and underscoring the need to implement systematic quality control of herbal raw materials. The study demonstrates the efficiency and reproducibility of the XRF method for non‑destructive, rapid analysis of the elemental composition of plant matrices.</p> </trans-abstract>     <kwd-group xml:lang="ru">  <kwd>биоаккумуляция</kwd>  <kwd>листья лопуха</kwd>  <kwd>стронций</kwd>  <kwd>рентгенофлуоресцентная спектрометрия</kwd>  <kwd>метод добавок</kwd>  <kwd>фитосырьё</kwd>  <kwd>Arctium lappa L</kwd>  </kwd-group>    <kwd-group xml:lang="en">  <kwd>burdock leaves</kwd>  <kwd>Arctium lappa L.</kwd>  <kwd>strontium</kwd>  <kwd>X‑ray fluorescence spectrometry</kwd>  <kwd>standard addition method</kwd>  <kwd>herbal raw material</kwd>  <kwd>bioaccumulation</kwd>  </kwd-group>      </book-part-meta> </book-part> </front>  <back> <ref-list> <title>References</title>  <ref id="ref1"> <label>1</label> <citation-alternatives>  <mixed-citation xml:lang="ru">Агроэкологические аспекты использования селенита натрия и цеолитов при выращивании гороха / И.А. Добросмыслова, А.А. Сазанова, В.Г. 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