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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">pimi</journal-id><journal-title-group><journal-title xml:lang="ru">Приборы и методы измерений</journal-title><trans-title-group xml:lang="en"><trans-title>Devices and Methods of Measurements</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2220-9506</issn><issn pub-type="epub">2414-0473</issn><publisher><publisher-name>BNTU</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21122/2220-9506-2025-16-3-185-190</article-id><article-id custom-type="elpub" pub-id-type="custom">pimi-972</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>Средства измерений</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Measuring instruments</subject></subj-group></article-categories><title-group><article-title>Прототип цифрового голографического микроскопа для исследования морского планктона</article-title><trans-title-group xml:lang="en"><trans-title>Prototype of a Digital Holographic Microscope for Studying Marine Plankton</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хурчак</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Khurchak</surname><given-names>A. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Капитанская, 2, г. Севастополь 299011</p></bio><bio xml:lang="en"><p>Kapitanskaya str., 2, Sevastopol 299011</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хурчак</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Khurchak</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Адрес для переписки:Хурчак А. И. -Институт биологии южных морей РАН,пр-т Нахимова, 2, г. Севастополь 299011, Россия e-mail: alenakhurchak@ibss-ras.ru</p></bio><bio xml:lang="en"><p>Address for correspondence:Khurchak A.I. - Institute of Biology of the Southern Seas of the RAN,Nakhimov Ave., 2, Sevastopol 299011, Russia e-mail: alenakhurchak@ibss-ras.ru</p></bio><email xlink:type="simple">alenakhurchak@ibss-ras.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Морской гидрофизический институт Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Marine Hydrophysical Institute of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт биологии южных морей имени А.О. Ковалевского Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>A.O. Kovalevsky Institute of Biology of the Southern Seas of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>02</day><month>10</month><year>2025</year></pub-date><volume>16</volume><issue>3</issue><fpage>185</fpage><lpage>190</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Хурчак А.П., Хурчак А.И., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Хурчак А.П., Хурчак А.И.</copyright-holder><copyright-holder xml:lang="en">Khurchak A.P., Khurchak A.I.</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://pimi.bntu.by/jour/article/view/972">https://pimi.bntu.by/jour/article/view/972</self-uri><abstract><p>Морской планктон – важнейший элемент водной экосистемы. Разработка современных и доступных инструментов для исследования планктонных организмов является актуальной задачей. Цель работы заключалась в создании прибора, который был бы максимально доступен и полезен исследователям морского планктона. Представлен прототип безлинзового микроскопа оригинальной конструкции, использующий метод цифровой голографической микроскопии для визуализации морского планктона. Сочетание корпуса, изготовленного по аддитивной технологии, минимума оптических и электронных компонент, возможности использования программного обеспечения с открытым кодом делает его хорошей альтернативой классическим световым микроскопам в задаче исследования планктонных организмов. Конструкция прибора предусматривает работу как со стандартными предметными стеклами, так и с проточной кюветой, что позволяет автоматизировать обработку проб и производить экспресс-анализ, сохранив при этом пробу для последующей консервации и тщательного анализа стандартными методами.</p></abstract><trans-abstract xml:lang="en"><p>Marine plankton is a key component of aquatic ecosystems. Development of modern and accessible tools for studying planktonic organisms is a relevant and important task. Aim of the study was to develop a device that would be highly accessible and useful for researchers of marine plankton. A prototype of a lensless microscope with an original design that utilizes digital holographic microscopy to visualize marine plankton is presented. Combination of an FDM-manufactured frame, a minimal set of optical and electronic components, and the ability to use open-source software makes it a viable alternative to conventional microscopes for studying planktonic organisms. The device is designed to work with both standard microscope slides and a flow cell, enabling automated sample processing and rapid analysis while, preserving the sample for subsequent conservation and in-depth examination using standard methods.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>цифровая голографическая микроскопия</kwd><kwd>безлинзовый микроскоп</kwd><kwd>планктон</kwd></kwd-group><kwd-group xml:lang="en"><kwd>digital holographic microscopy</kwd><kwd>lensless microscope</kwd><kwd>plankton</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа проведена в рамках государственных заданий FNNN-2024-0012 «Анализ, диагноз и оперативный прогноз состояния гидрофизических и гидрохимических полей морских акваторий на основе математического моделирования с использованием данных дистанционных и контактных методов измерений («Оперативная океанология»), FNNZ2024-0035 «Механизмы функционирования иммунной системы двустворчатых моллюсков и физиологические основы её адаптации к абиотическим, биотическим и антропогенным факторам окружающей среды».</funding-statement><funding-statement xml:lang="en">The study was carried out within the framework of the state assignments FNNN-2024-0012 "Analysis, diagnosis and real-time forecast of the state of hydrophysical and hydrochemical fields of marine water areas based on mathematical modelling using data from remote and in situ methods of measurements" and FNNZ-2024-0035 "Mechanisms of immune system functioning in bivalve mollusks and physiological basis of its adaptation to abiotic, biotic, and anthropogenic environmental factors".</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">Kim M. 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