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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">vuzbiochemi</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Прикладная химия и биотехнология</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of Universities. Applied Chemistry and Biotechnology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2227-2925</issn><issn pub-type="epub">2500-1558</issn><publisher><publisher-name>ИРНИТУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21285/2227-2925-2019-9-3-430-438</article-id><article-id custom-type="elpub" pub-id-type="custom">vuzbiochemi-215</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>ФИЗИКО-ХИМИЧЕСКАЯ И ОБЩАЯ БИОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICOCHEMICAL AND GENERAL BIOLOGY</subject></subj-group></article-categories><title-group><article-title>Сравнительный анализ состава питательных основ методом спектроскопии ЯМР</article-title><trans-title-group xml:lang="en"><trans-title>Comparative analysis of base nutrient composition by NMR spectroscopy</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>Остяк</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Ostyak</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>научный сотрудник,</p><p>Иркутск</p></bio><bio xml:lang="en"><p>Researcher,</p><p>Irkutsk</p></bio><email xlink:type="simple">ostykalex@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>Ушаков</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ushakov</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.х.н., доцент,</p><p>Иркутск</p></bio><bio xml:lang="en"><p>Ph.D. (Chemistry), Assosiat Professor,</p><p>Irkutsk</p></bio><email xlink:type="simple">nmr@istu.edu</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>Хаптанова</surname><given-names>Н. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Khaptanova</surname><given-names>N. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>младший научный сотрудник,</p><p>Иркутск</p></bio><bio xml:lang="en"><p>Junior researcher,</p><p>Irkutsk</p></bio><email xlink:type="simple">khaptnat@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>Гефан</surname><given-names>Н. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Gefan</surname><given-names>N. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н., заведующая отделом,</p><p>Иркутск</p></bio><bio xml:lang="en"><p>Ph.D. (Biology), Head of the Biological and Technological Controls Department,</p><p>Irkutsk</p></bio><email xlink:type="simple">adm@chumin.irkutsk.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>Кузнецов</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetsov</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н., заведующий лабораторией,</p><p>Иркутск</p></bio><bio xml:lang="en"><p>Ph.D. (Biology), Head of the Cultural Media Department,</p><p>Irkutsk</p></bio><email xlink:type="simple">adm@chumin.irkutsk.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>Оборина</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Oborina</surname><given-names>E. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.х.н., научный сотрудник,</p><p>Иркутск</p></bio><bio xml:lang="en"><p>Ph.D. (Chemistry), Researcher,</p><p>Irkutsk</p></bio><email xlink:type="simple">mir@irioch.irk.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Адамович</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Adamovich</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.х.н., ведущий научный сотрудник,</p><p>Иркутск</p></bio><bio xml:lang="en"><p>Dr. Sci. (Chemistry), Senior Researcher,</p><p>Irkutsk</p></bio><email xlink:type="simple">mir@irioch.irk.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иванова</surname><given-names>Е. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanova</surname><given-names>E. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.х.н., ведущий научный сотрудник,</p><p>Иркутск</p></bio><bio xml:lang="en"><p>Ph.D. (Chemistry), Senior Researcher,</p><p>Irkutsk</p></bio><email xlink:type="simple">ivanova.iem@gmail.com</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Розенцвейг</surname><given-names>И. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Rozentsveig</surname><given-names>I. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.х.н., заведующий лабораторией,</p><p>Иркутск</p></bio><bio xml:lang="en"><p>Dr. Sci. (Chemistry), Head of the Department,</p><p>Irkutsk</p></bio><email xlink:type="simple">i_roz@irioch.irk.ru</email><xref ref-type="aff" rid="aff-5"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Иркутский научно-исследовательский противочумный институт Роспотребнадзора</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Irkutsk Antiplague Scientific Research Institute for Siberia and Far East</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Иркутский национальный исследовательский технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Irkutsk National Research Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Иркутский институт химии им. А. Е. Фаворского СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>A.E. Favorsky Irkutsk Institute of Chemistry SB RAS</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Иркутский научный центр СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Irkutsk scientific center, Siberian Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>Иркутский институт химии им. А. Е. Фаворского СО РАН,</institution><country>Россия</country></aff><aff xml:lang="en"><institution>A.E. Favorsky Irkutsk Institute of Chemistry SB RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>07</day><month>10</month><year>2019</year></pub-date><volume>9</volume><issue>3</issue><fpage>430</fpage><lpage>438</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Остяк А.С., Ушаков И.А., Хаптанова Н.М., Гефан Н.Г., Кузнецов В.И., Оборина Е.Н., Адамович С.Н., Иванова Е.И., Розенцвейг И.Б., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Остяк А.С., Ушаков И.А., Хаптанова Н.М., Гефан Н.Г., Кузнецов В.И., Оборина Е.Н., Адамович С.Н., Иванова Е.И., Розенцвейг И.Б.</copyright-holder><copyright-holder xml:lang="en">Ostyak A.S., Ushakov I.A., Khaptanova N.M., Gefan N.G., Kuznetsov V.I., Oborina E.N., Adamovich S.N., Ivanova E.I., Rozentsveig 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://vuzbiochemi.elpub.ru/jour/article/view/215">https://vuzbiochemi.elpub.ru/jour/article/view/215</self-uri><abstract><p>Традиционным подходом к оценке качества питательных основ является определение аминного азота, кислотности. Недостатком данного подхода является его неинформативность – неспособность выявить антибиотики, ингибиторы роста и другие нежелательные соединения. В этой связи существует необходимость использования более современных и информативных методов для контроля технологического процесса приготовления питательных основ, а следовательно, и качества получаемой продукции. Целью данной работы являлось исследование физикохимических свойств питательных основ, изготовленных из морской, речной рыбы и кальмара, используя новые подходы (ЯМР-спектроскопия). Было использовано следующее сырье: сельдь (1), сорога (2), минтай (3), кальмар (4). Сырье подвергали ферментативному гидролизу с помощью поджелудочной железы (по Хоттингеру). Определяли качественный состав органической составляющей гидролизатов (1–4) с помощью метода ЯМР 1Н, 13С и 15N. Спектры ЯМР 1Н имели одинаковый вид, типичный для смесей аминокислот или аминокислотных последовательностей. В сильнопольной части (0,9–2,5 м.д.) наблюдался набор мультиплетов, характерный для алифатических фрагментов молекул. Так как большинство сигналов в спектрах ЯМР 1Н частично перекрывается, количественную оценку состава органической компоненты сделать нельзя. Можно судить о качественно схожем составе всех четырех образцов без выделения доминирующего соединения. Анализ 2М спектров ЯМР позволил установить присутствие в смесях образцов (1–4) свободных аминокислот: аланин, валин, треонин, аргинин, лизин, лейцин, метионин, фенилаланин, глицин. Применение ЯМР-спектроскопии показало незначительные расхождения в компонентном составе гидролизатов (1–4), что дает возможность изготовителям питательных сред выбирать наиболее доступное сырье. Полученные данные могут быть использованы для контроля технологического процесса приготовления питательных основ и определения качества полученной продукции в процессе ее хранения. </p></abstract><trans-abstract xml:lang="en"><p>The traditional approach to assessing the quality of nutrient bases involves a determination of amino nitrogen and acidity. The disadvantage of this approach consists in a lack of information, i.e. an inability to detect antibiotics, growth inhibitors and other undesirable compounds. In this regard, more modern and informative methods are required to control the technological process of preparing the nutritional basis and therefore the quality of the products obtained. The aim of this work was to study the physicochemical properties of nutrient bases made from sea and river fish and squid using new approaches (NMR spectroscopy). The following raw materials were used: herring (1), roach (2), pollock (3), squid (4). The raw materials were subjected to enzymatic hydrolysis by the pancreas (according to Hottinger). The qualitative composition of the organic component of hydrolysates (1–4) was determined by 1H, 13С and 15N NMR spectroscopy. All of the 1H NMR spectra had the same appearance, typical of mixtures of amino acids or amino acid sequences. In the high-field part (0.9–2.5 ppm), a set of multiplets was observed, characteristic of aliphatic fragments of molecules. Since most of the signals in the 1H NMR spectra partially overlap, a quantitative assessment of the composition of the organic component appears impossible. All four samples can be confirmed as being qualitatively similar without isolating the dominant compound. Analysis of 2D NMR spectra revealed the presence of the following free amino acids in mixtures of samples (1–4): alanine, valine, threonine, arginine, lysine, leucine, methionine, phenylalanine and glycine. The use of NMR spectroscopy demonstrated that any discrepancies in the component composition of hydrolysates (1–4) were insignificant, allowing manufacturers of nutrient media to choose the most affordable raw materials. The obtained data appear to be applicable for controlling the technological process of preparing the nutrient bases and determining the quality of the resulting products during storage. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>питательная основа</kwd><kwd>питательная среда</kwd><kwd>ЯМР-спектроскопия</kwd><kwd>рыбный гидролизат</kwd><kwd>гидролизат Хоттингера</kwd></kwd-group><kwd-group xml:lang="en"><kwd>nutrient base</kwd><kwd>growth medium</kwd><kwd>NMR spectroscopy</kwd><kwd>fish hydrolysate</kwd><kwd>Hottinger hydrolysate</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках Интеграционной программы Иркутского научного центра СО РАН «Фундаментальные исследования и прорывные технологии как основа опережающего развития Байкальского региона и его межрегиональных связей». Исследование выполнено при финансовой поддержке РФФИ и Правительства Иркутской области в рамках научного проекта № 17-43-380006.</funding-statement><funding-statement xml:lang="en">The work was carried out as part of the Integration Program of the Irkutsk Scientific Centre of the SB RAS «Basic Research and Breakthrough Technologies as the Basis of the Rapid Development of the Baikal Region and its Interregional Relations». The study was carried out with the financial support of the RFBR and the Government of the Irkutsk Region as part of a scientific project No. 17-43-380006.</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">Козлов Ю.А. Питательные среды в медицинской микробиологии. М.: Медгиз, 1950. 250 с. 2. Поляк М.С., Сухаревич В.И., Сухаревич М.Э. Питательные среды для медицинской и санитарной микробиологии. СПб.: ЭЛБИ-СПб, 2008. 350 с.</mixed-citation><mixed-citation xml:lang="en">Kozlov Yu.A. Pitatel'nye sredy v meditsinskoi mikrobiologii [Nutrient media in medical microbiology]. Moscow: Medgiz Publ., 1950, 250 p.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Дятлов И.А., Кутырев В.В., Храмов М.В. Питательные среды для выделения, культивирования и идентификации возбудителей особо опасных инфекций бактериальной природы. М., 2012. 415 с.</mixed-citation><mixed-citation xml:lang="en">Polyak M.S., Sukharevich V.I., Sukharevich M.E. Pitatel'nye sredy dlya meditsinskoi i sanitarnoi mikrobiologii [Nutrient media for medical and sanitary microbiology]. St. Petersburg: ELBI-SPb Publ., 2008, 350 p.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Артюхин В.И., Шепелин А.П., Киселева Н.В. Белковые гидролизаты в производстве питательных сред // Производство и применение продуктов микробиологических производств. Обзорная информация ВНИИСЭНТИ Минмедпрома СССР. 1990. Вып. 9-10. 52 с.</mixed-citation><mixed-citation xml:lang="en">Dyatlov I.A., Kutyrev V.V., Khramov M.V. Pitatel'nye sredy dlya vydeleniya, kul'tivirovaniya i identifikatsii vozbuditelei osobo opasnykh infektsii bakterial'noi prirody [Nutrient media for the isolation, cultivation and identification of pathogens of particularly dangerous infections of a bacterial nature]. Moscow, 2012, 415 p.</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Пат. № 95109381/13, Российская Федерация. Способ получения белковой основы для бактериологических питательных сред / А.Ф. Карышева, В.В. Доценко, С.В. Карышев, П.П. Достоевский. Заявл. 13.06.1995; опубл. 27.09.1997.</mixed-citation><mixed-citation xml:lang="en">Artyukhin V.I., Shepelin A.P., Kiseleva N.V. Protein hydrolysates in the production of nutrient media. Proizvodstvo i primenenie produktov mikrobiologicheskikh proizvodstv. Obzornaya informatsiya VNIISENTI Minmedproma SSSR. 1990, issue 9–10, 52 p.</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Кучина Ю.А., Широнина А.Ю., Коновалова И.Н., Молчановская Т.И. Ферментативные гидролизаты из гидробионтов, полученные электрохимическим методом, как основа микробиологических питательных сред // Рыбное хозяйство. 2011. N 3. С. 114–116.</mixed-citation><mixed-citation xml:lang="en">Karysheva A.F., Dotsenko V.V., Karyshev S.V., Dostoevskii P.P. Sposob polucheniya belkovoi osnovy dlya bakteriologicheskikh pitatel'nykh sred [Method of preparing the protein base for bacteriological nutrient media]. Patent of RF, no. 95109381/15, 1997.</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Насыпаева Е.Н., Лещенко А.А. Сравнительный анализ способов приготовления питательных основ из продуктов переработки молока // Общество, наука, инновации: сб. тр. Всерос. ежегодной науч.-практ. конф. (Киров, 15–26 апреля 2014 г.). Киров: Изд-во Вятского государственного университета, 2014. С. 154–155.</mixed-citation><mixed-citation xml:lang="en">Kuchina Yu.A., Shironina A.Yu., Konovalova I.N., Molchanovskaya T.I. Enzymatic hydrolysates from hydrobionts, obtained by the electrochemical method, as the basis of microbiological nutrient media. Rybnoe khozyaistvo. 2011, no. 3, pp. 114–116. (In Russian)</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Няникова Г.Г., Куприна Е.Э., Водолажская С.В. Белковые гидролизаты, полученные из ракообразных электрохимическим способом, как основа микробиологических питательных сред // Прикладная биохимия и микробиология. 2003. Т. 39. N 4. С. 489–492.</mixed-citation><mixed-citation xml:lang="en">Nasypaeva E.N., Leshchenko A.A. Sravnitel'nyi analiz sposobov prigotovleniya pitatel'nykh osnov iz produktov pererabotki moloka [Comparative analysis of methods for preparing nutritional bases from milk processing products]. Sbornik trudov Vserossiiskoi ezhegodnoi nauchno-prakticheskoi konferentsii «Obshchestvo, nauka, innovatsii» [Proc. AllRuss. Ann. Sci. Pract. Conf. «Society, science, innovations»]. Kirov: Vyatka State University Publ., 2014, pp. 154–155.</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Stephens N.L., Bough W.A., Beuchat L.R., Heaton E.K. Preparation and evaluation of two microbiological media from shrimp heads and hulls // Applied and Environmental Microbiology. 1976. Vol. 31. No. 1. P. 1–6.</mixed-citation><mixed-citation xml:lang="en">Nyanikova G.G., Kuprina E.E., Vodolazhskaya S.V. Protein hydrolysates obtained from crustaceans by the electrochemical method as the basis of microbiological nutrient media. Prikladnaya biokhimiya i mikrobiologiya. 2003, vol. 39, no. 4, pp. 489–492. (In Russian)</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Пат. № 2108381, Российская Федерация. Основа питательной среды для культивирования микроорганизмов / В.И. Сушко, И.И. Школьник, В.В. Щеткин. Патентообладатель: ООО «Фирма “Цеолит”»; заявл. 18.03.1996; опубл. 10.04.1998.</mixed-citation><mixed-citation xml:lang="en">Stephens N.L., Bough W.A., Beuchat L.R., Heaton E.K. Preparation and evaluation of two microbiological media from shrimp heads and hulls. Applied and Environmental Microbiology. 1976, vol. 31, no. 1, pp. 1–6.</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Шепелин А.П., Шолохова Л.П., Марчихина И.И., Полосенко О.В. Панкреатический гидролизат рыбной кормовой муки – полноцен роорганизмы и биосфера «Microbios-2018»: материалы IV Национального конгресса бактериологов и Международного симпозиума (Омск, 12–13 сентября 2018 г.). Омск, 2018. С. 82–83.</mixed-citation><mixed-citation xml:lang="en">Sushko V.I., Shkolnik I.I., Shchetkin V.V. Osnova pitatel'noi sredy dlya kul'tivirovaniya mikroorganizmov [Base for nutrient medium being used for cultivation of microorganism]. Patent of RF, no. 2108381, 1998.</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Кузьмина Н.Е., Моисеев С.В., Крылов В.И., Кутин А.А., Жуков Е.А., Яшкир В.А., Меркулов В.А. Валидация методики определения аминокислотного состава фармацевтической субстанции «Глатирамера ацетат» методом 13С ЯМР-спектроскопии // Ведомости НЦЭСМП. 2017. Т. 7. N 3. С. 175–181.</mixed-citation><mixed-citation xml:lang="en">Shepelin A.P., Sholokhova L.P., Marchikhina I.I., Polosenko O.V. Pankreaticheskii gidrolizat rybnoi kormovoi muki – polnotsennaya belkovaya osnova pitatel'nykh sred [Pancreatic hydrolyzed fish feed meal – a complete protein base of nutrient media]. Materialy IV Natsional'nogo kongressa bakteriologov i Mezhdunarodnogo simpoziuma «Mikroorganizmy i biosfera» – «Microbios-2018» [Proc. IV National Congress of Bacteriologists and the Int. Symp. «Microorganisms and biosphere» –«Microbios-2018»]. Omsk, 2018, pp. 82–83.</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Fan T.W.-M., Lane A.N. Applications of NMR spectroscopy to systems biochemistry // Progress in Nuclear Magnetic Resonance Spectroscopy. 2016. Vol. 92-93. P. 18–53.</mixed-citation><mixed-citation xml:lang="en">Kuz'mina N.E., Moiseev S.V., Krylov V.I., Kutin A.A., Zhukov E.A., Yashkir V.A., Merkulov V.A. Validation of the procedure for determination of amino acids composition of glatiramer acetate by 13C NMR spectroscopy. Vedomosti Nauchnogo tsentra ekspertizy sredstv meditsinskogo primeneniya. 2017, vol. 7, no. 3, pp. 175–181. (In Russian)</mixed-citation></citation-alternatives></ref><ref id="cit13"><label>13</label><citation-alternatives><mixed-citation xml:lang="ru">Tyszka J.M., Fraser S.E., Jacobs R.E. Magnetic resonance microscopy: recent advances and applications // Current Opinion in Biotechnology. 2005. Vol. 16. No. 1. P. 93–99.</mixed-citation><mixed-citation xml:lang="en">Fan T.W.-M., Lane A.N. Applications of NMR spectroscopy to systems biochemistry. Progress in Nuclear Magnetic Resonance Spectroscopy. 2016, vol. 92–93, pp. 18–53.</mixed-citation></citation-alternatives></ref><ref id="cit14"><label>14</label><citation-alternatives><mixed-citation xml:lang="ru">Simmler C., Napolitano J.G., McAlpine J.B., Chen S.-N., Pauli G.F. Universal quantitative NMR analysis of complex natural samples // Current Opinion in Biotechnology. 2014. Vol. 25. P. 51–59.</mixed-citation><mixed-citation xml:lang="en">Tyszka J.M., Fraser S.E., Jacobs R.E. Magnetic resonance microscopy: recent advances and applications. Current Opinion in Biotechnology. 2005, vol. 16, no. 1, pp. 93–99.</mixed-citation></citation-alternatives></ref><ref id="cit15"><label>15</label><citation-alternatives><mixed-citation xml:lang="ru">Zheng G., Price W.S. Solvent Signal Suppression in NMR // Progress in Nuclear Magnetic Resonance Spectroscopy. 2010. Vol. 56. No. 3. P. 267–288.</mixed-citation><mixed-citation xml:lang="en">Simmler C., Napolitano J.G., McAlpine J.B., Chen S.-N., Pauli G.F. Universal quantitative NMR analysis of complex natural samples. Current Opinion in Biotechnology. 2014, vol. 25, pp. 51–59.</mixed-citation></citation-alternatives></ref><ref id="cit16"><label>16</label><citation-alternatives><mixed-citation xml:lang="ru">Vogeli B. The nuclear Overhauser effect from a quantitative perspective // Progress in Nuclear Magnetic Resonance Spectroscopy. 2014. Vol. 78. P. 1–46.</mixed-citation><mixed-citation xml:lang="en">Zheng G., Price W.S. Solvent Signal Suppression in NMR. Progress in Nuclear Magnetic Resonance Spectroscopy. 2010, vol. 56, no. 3, pp. 267–288.</mixed-citation></citation-alternatives></ref><ref id="cit17"><label>17</label><citation-alternatives><mixed-citation xml:lang="ru">Oldfield E. Chemical Shifts in Amino Acids, Peptides, and Proteins: From Quantum Chemistry to Drug Design // Annual Review of Physical Chemistry. 2002. Vol. 53. P. 349–378.</mixed-citation><mixed-citation xml:lang="en">Vogeli B. The nuclear Overhauser effect from a quantitative perspective. Progress in Nuclear Magnetic Resonance Spectroscopy. 2014, vol. 78, pp. 1–46.</mixed-citation></citation-alternatives></ref><ref id="cit18"><label>18</label><citation-alternatives><mixed-citation xml:lang="ru">Prabhu V., Chatson B., Abrams G., King J. 13C Chemical shifts of 20 free amino acids and their use in detection by NMR of free amino acids in intact plants of Arabidopsis // Journal of Plant Physiology. 1996. Vol. 149, No. 3–4. P. 246–250.</mixed-citation><mixed-citation xml:lang="en">Oldfield E. Chemical Shifts in Amino Acids, Peptides, and Proteins: From Quantum Chemistry to Drug Design. Annual Review of Physical Chemistry. 2002, vol. 53, pp. 349–378.</mixed-citation></citation-alternatives></ref><ref id="cit19"><label>19</label><citation-alternatives><mixed-citation xml:lang="ru">Platzer G., Okon M., McIntosh L.P. pH-dependent random coil 1H, 13C, and 15N chemical shifts of the ionizable amino acids: a guide for protein pKa measurements // Journal of Biomolecular NMR. 2014. Vol. 60. P. 109–129.</mixed-citation><mixed-citation xml:lang="en">Prabhu V., Chatson B., Abrams G., King J. 13C Chemical shifts of 20 free amino acids and their use in detection by NMR of free amino acids in intact plants of Arabidopsis. Journal of Plant Physiology. 1996, vol. 149, no. 3–4, pp. 246–250.</mixed-citation></citation-alternatives></ref><ref id="cit20"><label>20</label><citation-alternatives><mixed-citation xml:lang="ru">Platzer G., Okon M., McIntosh L.P. pH-dependent random coil 1H, 13C, and 15N chemical shifts of the ionizable amino acids: a guide for protein pKa measurements. Journal of Biomolecular NMR. 2014, vol. 60, pp. 109–129.</mixed-citation><mixed-citation xml:lang="en">Platzer G., Okon M., McIntosh L.P. pH-dependent random coil 1H, 13C, and 15N chemical shifts of the ionizable amino acids: a guide for protein pKa measurements. Journal of Biomolecular NMR. 2014, vol. 60, pp. 109–129.</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
