Journal
CHEMISTRYSELECT
Volume 1, Issue 10, Pages 2552-2555Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/slct.201600761
Keywords
Hyperpolarization; parahydrogen; SABRE; sulfur-heterocycles; petroleum
Categories
Funding
- NIH [1R21EB018014, 1R21EB020323, T32 EB001628, 1F32EB021840]
- NSF [CHE1416268, CHE-1416432]
- DOD CDMRP [W81XWH-12-1-0159/BC112431, W81XWH-15-1-0271, W81XWH-15-1-0272]
- ExxonMobil Research and Engineering Company Knowledge Build
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1416432] Funding Source: National Science Foundation
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1416268] Funding Source: National Science Foundation
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NMR hyperpolarization via Signal Amplification by Reversible Exchange (SABRE) was employed to investigate the feasibility of enhancing the NMR detection sensitivity of sulfur-heterocycles (specifically 2-methylthiophene and dibenzothiophenes), a family of compounds typically found in petroleum and refined petroleum products. SABRE hyperpolarization of sulfurheterocycles (conducted in seconds) offers potential advantages of providing structural information about sulfur-containing contaminants in petroleum, thereby informing petroleum purification and refining to minimize sulfur content in refined products such as gasoline. Moreover, NMR spectroscopy sensitivity gains endowed by hyperpolarization potentially allows for performing structural assays using inexpensive, low-magneticfield (ca. 1 T) high-resolution NMR spectrometers ideally suited for industrial applications in the field.
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