Document Detail

I-STMAS, a new high-resolution solid-state NMR method for half-integer quadrupolar nuclei.
MedLine Citation:
PMID:  12787904     Owner:  NLM     Status:  PubMed-not-MEDLINE    
In complement to the previously proposed multiple-quantum magic-angle-spinning (MQMAS) and satellite transition MAS (STMAS) sequences, we describe a new two-dimensional high-resolution method, inverse-STMAS (I-STMAS) that allows second-order quadrupolar averaging. Like STMAS, I-STMAS correlates second-order quadrupole dephasing occurring on coherences related to the central transition (CT) and satellite transitions (STs), but does it in a reverse manner: CT evolves during the t(1) period while STs are detected during t(2). Although STMAS and I-STMAS are symmetric, there are some interesting and useful differences between the two methods. For example, we show that during the acquisition time t(2), it is possible to over-sample the data and then to process them to suppress the CT-CT correlation resonance.
Jean-Paul Amoureux; Cláudia Morais; Julien Trebosc; João Rocha; Christian Fernandez
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Solid state nuclear magnetic resonance     Volume:  23     ISSN:  0926-2040     ISO Abbreviation:  Solid State Nucl Magn Reson     Publication Date:  2003 Jun 
Date Detail:
Created Date:  2003-06-05     Completed Date:  2003-09-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9306181     Medline TA:  Solid State Nucl Magn Reson     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  213-23     Citation Subset:  -    
LCPS, CNRS-8012, Université de Lille-1, 59655 Villeneuve d'Ascq, France.
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