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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">chemicallytech</journal-id><journal-title-group><journal-title xml:lang="en">Fine Chemical Technologies</journal-title><trans-title-group xml:lang="ru"><trans-title>Тонкие химические технологии</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2410-6593</issn><issn pub-type="epub">2686-7575</issn><publisher><publisher-name>MIREA – Russian Technological University (RTU MIREA).</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32362/2410-6593-2026-21-2-188-211</article-id><article-id custom-type="edn" pub-id-type="custom">LAJHYG</article-id><article-id custom-type="elpub" pub-id-type="custom">chemicallytech-2387</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="en"><subject>BIOCHEMISTRY AND BIOTECHNOLOGY</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>БИОХИМИЯ И БИОТЕХНОЛОГИЯ</subject></subj-group></article-categories><title-group><article-title>Development and scaling of a chromatographic purification technology for single-domain antibodies fused to the Fc fragment of human IgG1</article-title><trans-title-group xml:lang="ru"><trans-title>Разработка и масштабирование технологии хроматографической очистки однодоменных антител, слитых с Fc-фрагментом IgG1 человека</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0792-7063</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Полянский</surname><given-names>Д. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Polyansky</surname><given-names>D. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Полянский Дмитрий Сергеевич, ассистент, кафедра аналитической химии им. И.П. Алимарина, Институт тонких химических технологий им. М.В. Ломоносова</p><p>Scopus Author ID 57890564200</p><p>119454, Москва, пр-т Вернадского, д. 78</p></bio><bio xml:lang="en"><p>Dmitry S. Polyansky, Assistant Professor, I.P. Alimarin Department of Analytical Chemistry, M.V. Lomonosov Institute of Fine Chemical Technologies</p><p>Scopus Author ID 57890564200</p><p>78, Vernadskogo pr., Moscow, 119454</p></bio><email xlink:type="simple">polanskiydmitriy15@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4130-177X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Прокофьев</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Prokofiev</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Прокофьев Владимир Владимирович, лаборант-исследователь, лаборатория иммунобиотехнологии</p><p>Scopus Author ID 57300704700</p><p>123098, Москва, ул. Гамалеи, д. 18</p></bio><bio xml:lang="en"><p>Vladimir V. Prokofiev, Laboratory Research Assistant, Laboratory of Immunobiotechnology</p><p>Scopus Author ID 57300704700</p><p>18, Gamaleya ul., Moscow, 123098</p></bio><email xlink:type="simple">vladimir.prokofev.96@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8060-4370</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Саморукова</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Samorukova</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Саморукова Александра Владимировна, ведущий технолог, филиал «Медгамал»</p><p>123098, Москва, ул. Гамалеи, д. 18</p></bio><bio xml:lang="en"><p>Alexandra V. Samorukova, Leading Technologist, Medgamal branch</p><p>18, Gamaleya ul., Moscow, 123098</p></bio><email xlink:type="simple">av.samorukova@medgamal.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0009-7886-6019</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шишконаков</surname><given-names>Ф. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shishkonakov</surname><given-names>F. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шишконаков Федор Алексеевич, технолог, филиал «Медгамал»</p><p>123098, Москва, ул. Гамалеи, д. 18</p></bio><bio xml:lang="en"><p>Fedor A. Shishkonakov, Technologist, Medgamal branch</p><p>18, Gamaleya ul., Moscow, 123098</p></bio><email xlink:type="simple">fa.shishkonakov@medgamal.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-9296-0588</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Васильев</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vasiliev</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Васильев Дмитрий Валерьевич, технолог, филиал «Медгамал»</p><p>123098, Москва, ул. Гамалеи, д. 18</p></bio><bio xml:lang="en"><p>Dmitry V. Vasiliev, Technologist, Medgamal branch</p><p>18, Gamaleya ul., Moscow, 123098</p></bio><email xlink:type="simple">vasilyevdv@medgamal.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2687-5185</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рябова</surname><given-names>Е. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Ryabova</surname><given-names>E. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рябова Екатерина Игоревна, младший научный сотрудник, лаборатория иммунобиотехнологии</p><p>Scopus Author ID 57301278100, ResearcherID AAE-7335-2022</p><p>123098, Москва, ул. Гамалеи, д. 18</p></bio><bio xml:lang="en"><p>Ekaterina I. Ryabova, Junior Researcher, Laboratory of Immunobiotechnology</p><p>Scopus Author ID 57301278100, ResearcherID AAE-7335-2022</p><p>18, Gamaleya ul., Moscow, 123098</p></bio><email xlink:type="simple">ryabovaei96@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3776-3856</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Деркаев</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Derkaev</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Деркаев Артем Алексеевич, младший научный сотрудник, лаборатория иммунобиотехнологии</p><p>Scopus Author ID 57381507000, ResearcherID AFU-7075-2022</p><p>123098, Москва, ул. Гамалеи, д. 18</p></bio><bio xml:lang="en"><p>Artem A. Derkaev, Junior Researcher, Laboratory of Immunobiotechnology</p><p>Scopus Author ID 57381507000, ResearcherID AFU-7075-2022</p><p>18, Gamaleya ul., Moscow, 123098</p></bio><email xlink:type="simple">derkaev.a@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8594-2627</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Государев</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Gosudarev</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Государев Андрей Игоревич, начальник отделения разработки и масштабирования, филиал «Медгамал»</p><p>123098, Москва, ул. Гамалеи, д. 18</p></bio><bio xml:lang="en"><p>Andrey I. Gosudarev, Head of the Department of Development and Scaling, Medgamal branch</p><p>18, Gamaleya ul., Moscow, 123098</p></bio><email xlink:type="simple">gosudarev@medgamal.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3582-0012</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ефимова</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Efimova</surname><given-names>Yu. А.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ефимова Юлия Александровна, к.х.н., доцент, кафедра аналитической химии им. И.П. Алимарина, Институт тонких химических технологий им. М.В. Ломоносова</p><p>Scopus Author ID 25228417800</p><p>119454, Москва, пр-т Вернадского, д. 78</p></bio><bio xml:lang="en"><p>Yuliya A. Efimova, Cand. Sci. (Chem.), Assistant Professor, I.P. Alimarin Department of Analitical Chemistry, M.V. Lomonosov Institute of Fine Chemical Technologies</p><p>Scopus Author ID 25228417800</p><p>78, Vernadskogo pr., Moscow, 119454</p></bio><email xlink:type="simple">efimova_yulia@bk.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/0000-0002-1289-3411</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Щебляков</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shcheblyakov</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Щебляков Дмитрий Викторович, д.б.н., ведущий научный сотрудник, заведущий лабораторией иммунобиотехнологии</p><p>Scopus Author ID 35073056900, ResearcherID E-5899-2014</p><p>123098, Москва, ул. Гамалеи, д. 18</p></bio><bio xml:lang="en"><p>Dmitry V. Shcheblyakov, Dr. Sci. (Biol.), Leading Researcher, Head of the Laboratory of Immunobiotechnology</p><p>Scopus Author ID 35073056900, ResearcherID E-5899-2014</p><p>18, Gamaleya ul., Moscow, 123098</p></bio><email xlink:type="simple">sdmitryv@yahoo.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Карпов</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Karpov</surname><given-names>A. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Карпов Андрей Павлович, к.б.н., главный технолог, филиал «Медгамал»</p><p>Scopus Author ID 22834845200</p><p>123098, Москва, ул. Гамалеи, д. 18</p></bio><bio xml:lang="en"><p>Andrey P. Karpov, Cand. Sci. (Biol.), Chief Technologist, Medgamal branch</p><p>Scopus Author ID 22834845200</p><p>18, Gamaleya ul., Moscow, 123098</p></bio><email xlink:type="simple">ap.karpov@medgamal.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2063-2449</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Есмагамбетов</surname><given-names>И. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Esmagambetov</surname><given-names>I. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Есмагамбетов Ильяс Булатович, к.б.н., ведущий научный сотрудник, заведующий лабораторией стромальной регуляции иммунитета</p><p>Scopus Author ID 56120429700, ResearcherID E-3327-2014</p><p>123098, Москва, ул. Гамалеи, д. 18</p></bio><bio xml:lang="en"><p>Ilias B. Esmagambetov, Cand. Sci. (Biol.), Leading Researcher, Head of the Laboratory of Stromal Regulation of Immunity</p><p>Scopus Author ID 56120429700, ResearcherID E-3327-2014</p><p>18, Gamaleya ul., Moscow, 123098</p></bio><email xlink:type="simple">iesmagambetov@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>МИРЭА — Российский технологический университет (Институт тонких химических технологий  им. М.В. Ломоносова)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>MIREA – Russian Technological University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный исследовательский центр эпидемиологии и микробиологии им. Н.Ф. Гамалеи Министерства  Здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N.F. Gamaleya National Research Center for Epidemiology and Microbiology (The Gamaleya National Center), Ministry of Health of the Russian Federati</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>06</day><month>05</month><year>2026</year></pub-date><volume>21</volume><issue>2</issue><fpage>188</fpage><lpage>211</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Polyansky D.S., Prokofiev V.V., Samorukova A.V., Shishkonakov F.A., Vasiliev D.V., Ryabova E.I., Derkaev A.A., Gosudarev A.I., Efimova Y.А., Shcheblyakov D.V., Karpov A.P., Esmagambetov I.B., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Полянский Д.С., Прокофьев В.В., Саморукова А.В., Шишконаков Ф.А., Васильев Д.В., Рябова Е.И., Деркаев А.А., Государев А.И., Ефимова Ю.А., Щебляков Д.В., Карпов А.П., Есмагамбетов И.Б.</copyright-holder><copyright-holder xml:lang="en">Polyansky D.S., Prokofiev V.V., Samorukova A.V., Shishkonakov F.A., Vasiliev D.V., Ryabova E.I., Derkaev A.A., Gosudarev A.I., Efimova Y.А., Shcheblyakov D.V., Karpov A.P., Esmagambetov I.B.</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://www.finechem-mirea.ru/jour/article/view/2387">https://www.finechem-mirea.ru/jour/article/view/2387</self-uri><abstract><sec><title>Objectives</title><p>Objectives. The work set out to develop a chromatographic purification technology for drugs based on modified single-domain antibodies specific to the SARS-CoV-2 virus, as well as to select the optimal parameters for the purification process and scale up this technology for production.</p></sec><sec><title>Methods</title><p>Methods. The study was conducted on a culture of Chinese hamster ovary (CHO) cells GAMP2C5  clone 78, CHO B5 clone 4, and CHO B10 clone 4, which were used to produce modified single-domain antibodies GAMP2C5, GAMB5, and GAMB10, respectively. Chromatographic purification was performed using AKTA pure 25 and AKTA Pilot 600s chromatographs. Quality control of the obtained drugs was carried out using high-performance liquid chromatography, capillary gel electrophoresis, dynamic light scattering, enzymelinked immunosorbent assay, and polymerase chain reaction.</p></sec><sec><title>Results</title><p>Results. Multimodal chromatography using CA++Pure-HA (TOSOH, Japan) resin based on type 1 ceramic hydroxyapatite can be effectively used for the removal of aggregated antibody forms. The drugs obtained after chromatography using CA++Pure-HA resin based on type 1 ceramic hydroxyapatite have a purity of more than 97%. The developed purification technology was scaled up to purify 200 L of culture fluid after cultivation in an STR 200 bioreactor.</p></sec><sec><title>Conclusions</title><p>Conclusions. The described technology developed for purifying modified mono-domain antibodies using the CA++Pure-HA multimodal resin based on type 1 ceramic hydroxyapatite allows for the effective removal of low-molecular-weight impurities and aggregated forms of the antibody. The antibodies obtained using the developed technology are characterized by a high degree of purity and the absence of various impurities (residual protein of the producer strain, residual protein A, and residual DNA of the producer strain), as well as offering a hydrodynamic molecular radius corresponding to the theoretical value of monomeric forms of antibodies.</p></sec></abstract><trans-abstract xml:lang="ru"><sec><title>Цели</title><p>Цели. Разработать технологию хроматографической очистки для препаратов на основе модифицированных однодоменных антител, специфичных к вирусу SARS-CoV-2. Подобрать оптимальные параметры процесса очистки и масштабировать данную технологию на производстве.</p></sec><sec><title>Методы</title><p>Методы. Исследование проводилось на культуре клеток яичников китайского хомячка CHO GAMP2C5  клон 78, СНО B5 клон 4, СНО B10 клон 4, продуцирующих модифицированные однодоменные антитела GAMP2C5, GAMB5, GAMB10 соответственно. Хроматографическая очистка проводилась с применением хроматографов AKTA Pure 25 и AKTA Pilot 600s. Контроль качества полученных препаратов был осуществлен при помощи высокоэффективной жидкостной хроматографии, капиллярного гель-электрофореза, динамического рассеяния света, иммуноферментного анализа, полимеразной цепной реакции.</p></sec><sec><title>Результаты</title><p>Результаты. Мультимодальная хроматография с применением сорбента Ca++Pure-HA (TOSOH, Япония) на основе керамического гидроксиапатита 1 типа позволяет эффективно избавляться от агрегированных форм антитела. Препараты, полученные после хроматографии с применением сорбента Ca++Pure-HA на основе керамического гидроксиапатита 1, имеют чистоту более 97%. Разработанная технология очистки была масштабирована до очистки объемом 200 л культуральной жидкости после культивирования в биореакторе STR 200.</p></sec><sec><title>Выводы</title><p>Выводы. Разработана технология очистки модифицированных однодоменных антител с применением мультимодального сорбента Ca++Pure-HA на основе керамического гидроксиапатита 1 типа, позволяющая эффективно избавляться от низкомолекулярных примесей и агрегированных форм антитела. Полученные с помощью разработанной технологии антитела характеризуются высокой степенью чистоты, отсутствием различных примесей (остаточного белка штамма продуцента, остаточного белка А и остаточного ДНК штамма продуцента), а также обладают гидродинамическим радиусом молекул, соответствующим теоретическому значению мономерной форм антител.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>хроматографическая очистка</kwd><kwd>кармический гидроксиапатит 1 типа</kwd><kwd>мультимодальная хроматография</kwd><kwd>разработка технологии очистки</kwd><kwd>масштабирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>chromatographic purification</kwd><kwd>type 1 karmic hydroxyapatite</kwd><kwd>multimodal chromatography</kwd><kwd>purification technology development</kwd><kwd>scaling</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">Mekala J.R., Nalluri H.P., Reddy P.N., Sainath S.B., Sampath Kumar N.S., Sai Kiran G.V.S.D., Dhiman R., Chamarthy S., Komaragiri R.R., Manyam R.R., Dirisala V.R. 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