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Heterogeneous Microtesla SABRE Enhancement of 15N NMR Signals Научная публикация

Журнал Angewandte Chemie - International Edition
ISSN: 1433-7851 , E-ISSN: 1521-3773
Вых. Данные Год: 2017, Том: 56, Номер: 35, Страницы: 10433-10437 Страниц : 5 DOI: 10.1002/anie.201705014
Ключевые слова het-SABRE, heterogeneous catalysis, heteronuclei, hyperpolarization, parahydrogen
Авторы Kovtunov Kirill V. 1,2 , Kovtunova Larisa M. 2,3 , Gemeinhardt Max E. 4 , Bukhtiyarov Andrey V. 3 , Gesiorski Jonathan 4 , Bukhtiyarov Valerii I. 3 , Chekmenev Eduard Y. 6,7,8,9 , Koptyug Igor V. 1,2 , Goodson Boyd 4,5
Организации
1 Laboratory of Magnetic Resonance Microimaging, International Tomography Center, SB RAS, 3A Institutskaya St., Novosibirsk 630090 (Russia)
2 Novosibirsk State University, 2 Pirogova St., Novosibirsk 630090 (Russia)
3 Boreskov Institute of Catalysis SB RAS, 5 Acad. Lavrentiev Pr., Novosibirsk 630090 (Russia)
4 Department of Chemistry and Biochemistry, Southern Illinois University, Carbondale, IL 62901 (United States)
5 Materials Technology Center, Southern Illinois University, Carbondale, IL 62901 (United States)
6 Vanderbilt University Institute of Imaging Science (VUIIS), Department of Radiology, Nashville, Tennessee, 37232-2310 (United States)
7 Department of Biomedical Engineering, VICC, Nashville, Tennessee, 37232-2310 (United States)
8 Department of Physics and Astronomy, Nashville, Tennessee, 37232-2310 (United States)
9 Russian Academy of Sciences, Leninskiy Prospekt 14, 119991 Moscow (Russia)

Информация о финансировании (13)

1 Российский научный фонд 14-23-00146
2 Российский фонд фундаментальных исследований 16-03-00407
3 Министерство образования и науки Российской Федерации МК-4498.2016.3
4 National Institutes of Health 1R21EB018014
5 National Institutes of Health 1R21EB020323
6 National Science Foundation CHE-1416268
7 United States Department of Defense W81XWH-12-1-0159/BC112431
8 United States Department of Defense W81XWH-15-1-0271
9 National Science Foundation CHE-1416432
10 ExxonMobil
11 United States Department of Defense W81XWH-15-1-0272
12 Федеральное агентство научных организаций России V.44.1.8. (0333-2016-0001)
13 Российский фонд фундаментальных исследований 17-54-33037

Реферат: The hyperpolarization of heteronuclei via Signal Amplification by Reversible Exchange (SABRE) was investigated under conditions of heterogeneous catalysis and microtesla magnetic fields. Immobilization of [IrCl(COD)​(IMes)​]​, [IMes = 1,​3-​bis(2,​4,​6-​trimethylphenyl)​, imidazole-​2-​ylidene; COD = cyclooctadiene] catalyst onto silica particles modified with NH2(CH2)​3- linkers engenders an effective heterogeneous SABRE (HET-​SABRE) catalyst that was used to demonstrate ~102-​fold enhancement of 15N NMR signals in pyridine at 9.4 T following parahydrogen bubbling within a magnetic shield. No 15N NMR enhancement was observed from the supernatant liquid following catalyst separation, which along with XRD characterization, supports that the effects result from SABRE under heterogeneous catalytic conditions. The technique can be developed further for producing catalyst-​free agents via SABRE with hyperpolarized heteronuclear spins, and thus is promising for biomedical NMR and MRI applications.
Библиографическая ссылка: Kovtunov K.V. , Kovtunova L.M. , Gemeinhardt M.E. , Bukhtiyarov A.V. , Gesiorski J. , Bukhtiyarov V.I. , Chekmenev E.Y. , Koptyug I.V. , Goodson B.
Heterogeneous Microtesla SABRE Enhancement of 15N NMR Signals
Angewandte Chemie - International Edition. 2017. V.56. N35. P.10433-10437. DOI: 10.1002/anie.201705014 WOS Scopus РИНЦ CAPlus PMID OpenAlex
Оригинальная: Kovtunov K.V. , Kovtunova L.M. , Gemeinhardt M.E. , Bukhtiyarov A.V. , Gesiorski J. , Bukhtiyarov V.I. , Chekmenev E.Y. , Koptyug I.V. , Goodson B.M.
Heterogeneous Microtesla SABRE Enhancement of 15N NMR Signals
Angewandte Chemie (German edition). 2017. V.129. N35. P.10569-10573. DOI: 10.1002/ange.201705014 РИНЦ OpenAlex
Файлы: Полный текст от издателя
Даты:
Поступила в редакцию: 15 мая 2017 г.
Опубликована online: 23 июн. 2017 г.
Опубликована в печати: 21 авг. 2017 г.
Идентификаторы БД:
Web of science: WOS:000434546000026
Scopus: 2-s2.0-85026362064
РИНЦ: 31111407
Chemical Abstracts: 2017:1250748
PMID (PubMed): 28644918
OpenAlex: W2672941940
Цитирование в БД:
БД Цитирований
Web of science 55
Scopus 57
РИНЦ 54
OpenAlex 66
Альметрики: