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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">bioph</journal-id><journal-title-group><journal-title xml:lang="ru">Biomedical Photonics</journal-title><trans-title-group xml:lang="en"><trans-title>Biomedical Photonics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2413-9432</issn><publisher><publisher-name>Non-profit partnership for development of domestic photodynamic therapy and photodiagnosis</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24931/2413-9432-2018-7-3-36-42</article-id><article-id custom-type="elpub" pub-id-type="custom">bioph-251</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>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>Математическая модель обнаружения внутриэритроцитарных  инфекций с помощью оптоакустического метода</article-title><trans-title-group xml:lang="en"><trans-title>Mathematical model of detection of intra-erythrocyte pathologies using optoacoustic method</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>Кравчук</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kravchuk</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><email xlink:type="simple">Kravchukda@sfedu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Южный федеральный университет<country>Россия</country></aff><aff xml:lang="en">Southern Federal University<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>10</day><month>10</month><year>2018</year></pub-date><volume>7</volume><issue>3</issue><fpage>36</fpage><lpage>42</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кравчук Д.А., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Кравчук Д.А.</copyright-holder><copyright-holder xml:lang="en">Kravchuk D.A.</copyright-holder><license 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://www.pdt-journal.com/jour/article/view/251">https://www.pdt-journal.com/jour/article/view/251</self-uri><abstract><p>Малярия вызывает серьезную проблему со здоровьем в тропических и субтропических регионах земного шара. Во многих случаях</p><p>последствия этого заболевания являются фатальными. Поэтому необходима простая, быстрая, точная и доступная диагностическая система раннего выявления этого заболевания для своевременного назначения противомалярийных препаратов.</p><p>Малярийный паразит во время его внутриэритроцитарного развития перерабатывает значительное количество гемоглобина, который при этом превращается в форму гема, называемую гемозоином. Гемозоин и гемоглобин имеют разные молярные коэффициенты экстинкции при определенных длинах волн оптического излучения, следовательно, поглощение света и оптоакустический сигнал (ОАС) от зараженной клетки будут отличаться от аналогичных параметров здоровой клетки. В работе описана теоретическая модель, предназначенная для изучения влияния внутриэритроцитарного развития малярийного паразита на оптоакустические сигналы. ОАС были рассчитаны на основе смоделированных на основе 3D-модели образцов здоровой и инфицированной крови.</p><p>Моделируемые ОАС анализировались во временной и частотной областях для получения признаков наличия инфекции разных стадий. Рассчитанные спектры ОАС имеют различные уровни амплитуды, что указывает на то, что оптоакустический метод может быть полезен для дифференциации различных внутриэритроцитарных стадий малярийного паразита. Проведенное моделирование и полученные результаты позволяют продолжить работы по созданию оптоакустического проточного цитометра.</p></abstract><trans-abstract xml:lang="en"><p>Malaria causes a serious health problem in the tropical and subtropical regions of the globe. In many cases, the consequences of this disease are fatal. Therefore, a simple, fast, accurate and affordable diagnostic system for the early detection of this disease is necessary for the timely administration of antimalarial drugs.</p><p>The malarial parasite, during its intra-erythrocyte development, processes a significant amount of hemoglobin, which in this case turns into a hem form called hemozoin. Hemozoin and hemoglobin have different molar extinction coefficients at certain optical wavelengths, hence, light absorption and an optoacoustic signal (OAS) from the infected cell will be different from that of a healthy cell. The paper describes the developed theoretical model intended for studying the influence of intra-erythrocyte malarial parasite development on optoacoustic signals. The OAS were calculated based on the models of healthy and infected blood modeled on the basis of a 3D model.</p><p>The simulated OAS were analyzed in the temporal and frequency domains to obtain signs of infection at various stages. The calculated OAS spectra have different amplitude levels, which indicates that the optoacoustic method can be useful for differentiating various intraerythrocyte stages of the malarial parasite. The carried out modeling and the results obtained allow us to continue working on the creation of an optoacoustic flow cytometer.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>оптоакустический сигнал</kwd><kwd>агрегация</kwd><kwd>эритроциты</kwd><kwd>спектральная плотность мощности</kwd><kwd>лазер</kwd></kwd-group><kwd-group xml:lang="en"><kwd>optoacoustic signal</kwd><kwd>aggregation</kwd><kwd>erythrocytes</kwd><kwd>spectral power density</kwd><kwd>laser</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Deán-Ben X.L, Razansky D. 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