Aqueous, Heterogeneous para-Hydrogen-Induced 15N Polarization Научная публикация
Журнал |
The Journal of Physical Chemistry C
ISSN: 1932-7447 , E-ISSN: 1932-7455 |
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Вых. Данные | Год: 2017, Том: 121, Номер: 28, Страницы: 15304-15309 Страниц : 6 DOI: 10.1021/acs.jpcc.7b05912 | ||||||||||||||||
Ключевые слова | Catalysts; Deuterium; Hydrogen; Medical applications; Nuclear magnetic resonance spectroscopy; Solutions | ||||||||||||||||
Авторы |
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Организации |
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Информация о финансировании (17)
1 | Российский научный фонд | 14-23-00146 |
2 | Федеральное агентство научных организаций России | 0303-2015-0010 |
3 | Российский фонд фундаментальных исследований | 16-03-00407 |
4 | Министерство образования и науки Российской Федерации | МК-4498.2016.3 |
5 | National Institutes of Health | 1R21EB018014 |
6 | National Institutes of Health | 1R21EB020323 |
7 | National Science Foundation | CHE-1416268 |
8 | United States Department of Defense | W81XWH-12-1-0159/BC112431 |
9 | United States Department of Defense | W81XWH-15-1-0271 |
10 | National Science Foundation | CHE-1416432 |
11 | National Institutes of Health | 1F32EB021840 |
12 | United States Department of Defense | W81XWH-15-1-0272 |
13 | Федеральное агентство научных организаций России | V.44.1.8. (0333-2016-0001) |
14 | Российский фонд фундаментальных исследований | 17-54-33037 |
15 | National Science Foundation | REU DMR-1461255 |
16 | National Institutes of Health | 5R00CA134749 |
17 | National Institutes of Health | 5R00CA134749-02S1 |
Реферат:
The successful transfer of para-hydrogen-induced polarization to 15N spins using heterogeneous catalysts in aqueous solutions was demonstrated. Hydrogenation of a synthesized unsaturated 15N-labeled precursor (neurine) with parahydrogen (p-H2) over Rh/TiO2 heterogeneous catalysts yielded a hyperpolarized structural analogue of choline. As a result, 15N polarization enhancements of over 2 orders of magnitude were achieved for the 15N-labeled ethyltrimethylammonium ion product in deuterated water at elevated temperatures. Enhanced 15N NMR spectra were successfully acquired at 9.4 and 0.05 T. Importantly, long hyperpolarization lifetimes were observed at 9.4 T, with a 15N T1 of ∼6 min for the product molecules, and the T1 of the deuterated form exceeded 8 min. Taken together, these results show that this approach for generating hyperpolarized species with extended lifetimes in aqueous, biologically compatible solutions is promising for various biomedical applications.
Библиографическая ссылка:
Bales L.B.
, Kovtunov K.V.
, Barskiy D.A.
, Shchepin R.V.
, Coffey A.M.
, Kovtunova L.M.
, Bukhtiyarov A.V.
, Feldman M.A.
, Bukhtiyarov V.I.
, Chekmenev E.Y.
, Koptyug I.V.
, Goodson B.M.
Aqueous, Heterogeneous para-Hydrogen-Induced 15N Polarization
The Journal of Physical Chemistry C. 2017.
V.121. N28. P.15304-15309. DOI: 10.1021/acs.jpcc.7b05912
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Aqueous, Heterogeneous para-Hydrogen-Induced 15N Polarization

Файлы:
Полный текст от издателя
Даты:
Поступила в редакцию: | 16 июн. 2017 г. |
Принята к публикации: | 20 июн. 2017 г. |
Опубликована online: | 21 июн. 2017 г. |
Опубликована в печати: | 20 июл. 2017 г. |
Идентификаторы БД:
Web of science: | WOS:000406355700035 |
Scopus: | 2-s2.0-85025806660 |
РИНЦ: | 31063087 |
Chemical Abstracts: | 2017:1037989 |
Chemical Abstracts (print): | 167:216716 |
PMID (PubMed): | 29238438 |
OpenAlex: | W2691254047 |