microcoil nmr
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2021 ◽  
Vol 12 ◽  
Author(s):  
Chandrashekhar Honrao ◽  
Xiaoyu Ma ◽  
Shashank Kulkarni ◽  
Vinit Joshi ◽  
Michael Malamas ◽  
...  


2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Dongkeun Park ◽  
Jiho Lee ◽  
Juan Bascuñán ◽  
Zhuyong Li ◽  
Yukikazu Iwasa

AbstractWe present promising results of novel high-temperature superconducting (HTS) shim coil prototypes that circumvent the size and strength limitation of our earlier innovative HTS shim concept based on 46-mm wide REBCO tape. The HTS shim coil is placed inside the HTS magnet, mainly for ultra-high-field (> 1 GHz or 23.5 T) NMR magnets, and thus unaffected from the windings’ diamagnetic wall effects. One full-scale version will be applied to clean up Z1 and Z2 harmonic errors in the MIT 1.3-GHz high-resolution NMR magnet composed of an 835-MHz HTS insert, while another version for an MIT 1-GHz microcoil NMR magnet whose small-scale model we are currently building. The prototype sets were wound with a 2-pile, 1.03-mm wide, 0.30-mm thick REBCO conductor. Operated at 77 K, the Z1 shim set generated a 1st harmonic field strength of 179 kHz/cm at 70 A, while the Z2 shim set, composed of two pairs, Z21 and Z22, generated the 2nd harmonic field of 141 kHz/cm2 at 50 A. Together with discussion on technical challenges for this REBCO shim coil concept, we demonstrate its feasibility for the next generation of ultra-high-field (UHF) HTS NMR magnets.



2020 ◽  
Vol 11 ◽  
Author(s):  
Chandrashekhar Honrao ◽  
Xiaoyu Ma ◽  
Shashank Kulkarni ◽  
Vinit Joshi ◽  
Michael Malamas ◽  
...  


2019 ◽  
Vol 29 (5) ◽  
pp. 1-5
Author(s):  
Dongkeun Park ◽  
Yoon Hyuck Choi ◽  
Yukikazu Iwasa
Keyword(s):  




The Analyst ◽  
2017 ◽  
Vol 142 (24) ◽  
pp. 4812-4824 ◽  
Author(s):  
I. Fugariu ◽  
R. Soong ◽  
D. Lane ◽  
M. Fey ◽  
W. Maas ◽  
...  

Planar NMR microcoils are evaluated, their application to single eggs is demonstrated, and their potential for studying smaller single cells is discussed.



The Analyst ◽  
2015 ◽  
Vol 140 (18) ◽  
pp. 6217-6221 ◽  
Author(s):  
Michael C. D. Tayler ◽  
S. (Bas) G. J. van Meerten ◽  
Arno P. M. Kentgens ◽  
P. Jan M. van Bentum

A protocol combining rapid and low-cost chromatography and NMR spectroscopy is demonstrated.



2012 ◽  
Vol 84 (16) ◽  
pp. 7099-7106 ◽  
Author(s):  
Christopher J. Jones ◽  
Cynthia K. Larive


2012 ◽  
Vol 116 (23) ◽  
pp. 6775-6780 ◽  
Author(s):  
Reto Horst ◽  
Pawel Stanczak ◽  
Pedro Serrano ◽  
Kurt Wüthrich


2011 ◽  
Vol 346 (14) ◽  
pp. 2244-2254 ◽  
Author(s):  
John F.K. Limtiaco ◽  
Szabolcs Beni ◽  
Christopher J. Jones ◽  
Derek J. Langeslay ◽  
Cynthia K. Larive


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