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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">goslasmed</journal-id><journal-title-group><journal-title xml:lang="ru">Лазерная медицина</journal-title><trans-title-group xml:lang="en"><trans-title>Laser Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2071-8004</issn><issn pub-type="epub">2686-8644</issn><publisher><publisher-name>Skobelkin Centre for Laser Medicine - a branch of the Federal Clinical Center for High Medical Technologies, FMBA of Russia</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.37895/2071-8004-2019-23-2-44-51</article-id><article-id custom-type="elpub" pub-id-type="custom">goslasmed-467</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 ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL RESEARCHES</subject></subj-group></article-categories><title-group><article-title>Оценка оптических свойств крови в диапазоне длин волн излучения 1,3–2,0 мкм</article-title><trans-title-group xml:lang="en"><trans-title>Evaluation of blood optical properties in the wavelength range of 1.3–2.0 µm</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>Марченко</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Marchenko</surname><given-names>A. A.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Минаев</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Minaev</surname><given-names>V. P.</given-names></name></name-alternatives><email xlink:type="simple">minaev46@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Смирнов</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Smirnov</surname><given-names>I. V.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шевелкина</surname><given-names>Е. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Shevelkina</surname><given-names>E. D.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ООО «Научно-техническое объединение «ИРЭ-Полюс»<country>Россия</country></aff><aff xml:lang="en">«IRE-Polus» Ltd<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">ООО «Агат-Мед»<country>Россия</country></aff><aff xml:lang="en">LLC «Agat-Med»<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>09</day><month>11</month><year>2019</year></pub-date><volume>23</volume><issue>2</issue><fpage>44</fpage><lpage>51</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Марченко А.А., Минаев В.П., Смирнов И.В., Шевелкина Е.Д., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Марченко А.А., Минаев В.П., Смирнов И.В., Шевелкина Е.Д.</copyright-holder><copyright-holder xml:lang="en">Marchenko A.A., Minaev V.P., Smirnov I.V., Shevelkina E.D.</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://goslasmed.elpub.ru/jour/article/view/467">https://goslasmed.elpub.ru/jour/article/view/467</self-uri><abstract><p>Целью настоящей работы является оценка соотношений коэффициентов поглощения лазерного излучения µа в воде и в крови, а также эффективного коэффициента ослабления излучения µэфф в крови в диапазоне длин волн излучения 1,3–2,0 мкм. Для моделирующих кровь растворов окси- и метгемоглобина с концентрацией, соответствующей гематокриту Hct ≈ 50% экспериментально измерены коэффициенты поглощения. Проведенная оценка подтвердила, что вблизи локальных максимумов поглощения лазерного излучения, соответствующих длинам волн 1,45 и 1,94 мкм, поглощение в воде превосходит поглощение в крови. Полученные зависимости позволяют оценить глубину воздействия лазерных излучений с длинами волн в указанном диапазоне на биоткани при облучении через поверхность и размеры области, в которой поглощается излучение в крови при интерстициальном воздействии, а также распределение количеств поглощенной энергии между водой и гемоглобином.</p></abstract><trans-abstract xml:lang="en"><p>Purpose. To find out the ratio of laser light absorption coefficients µа in water and in blood and the effective attenuation coefficient of radiation µeff in blood in the wavelength range of 1.3–2.0 µm. Absorption coefficients were experimentally measured for blood modeling solutions of oksi- and methemoglobin with concentration corresponding to hematocrit Hct ≈ 50%. The performed estimations confirmed that absorption in water exceeds absorption in blood close to local maxima of laser light absorption which correspond to wavelengths 1.45 and 1.94 µm. The obtained dependences allow to define the depth of effective impact of superficial laser irradiation of studied wavelengths at biotissues. They also allow to find out dimensions of areas in which laser radiation is absorbed in blood under interstitial irradiation and to find out distribution of absorbed energy amounts in water and in hemoglobin.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>лазеры в хирургии</kwd><kwd>оптические свойства крови</kwd></kwd-group><kwd-group xml:lang="en"><kwd>lasers in surgery</kwd><kwd>optical properties of blood</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">Жилин К.М., Минаев В.П., Соколов А.Л. О влиянии особенностей поглощения лазерного излучения в воде и крови на выбор рабочей длины волны для эндовенозной облитерации вен при лечении варикозной болезни // Квантовая электроника. – 2009. – Т. 39. – Вып. 8. – С. 781–784.</mixed-citation><mixed-citation xml:lang="en">Zhilin K.M., Minayev V.P., Sokolov A.L. 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