A 263 GHz gyrotron dedicated to Dynamic Nuclear Polarization (DNP) enhanced Nuclear Magnetic Resonance (NMR) spectroscopy has been designed by EPFL and manufactured by Thales. With this device, we have demonstrated an output power up to 160 W in continuous wave. Design and main experimental results are discussed in this paper.
First tests of a 527 GHz gyrotron for dynamic nuclear polarization
From The DNP-NMR Blog:
First tests of a 527 GHz gyrotron for dynamic nuclear polarization
Felch, K., et al. First tests of a 527 GHz gyrotron for dynamic nuclear polarization. in Vacuum Electronics Conference (IVEC), 2013 IEEE 14th International. 2013.
http://dx.doi.org/10.1109/IVEC.2013.6571048
nmrlearner
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09-02-2013 10:45 PM
PostDoc position for gyrotron DNP at EPFL, Lausanne
From The DNP-NMR Blog:
PostDoc position for gyrotron DNP at EPFL, Lausanne
This came through the AMPERE MAGNETIC RESONANCE list:
A post-doc postion is now opened for gyrotron-DNP and related DNP methods.
nmrlearner
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08-27-2013 09:51 AM
αH(i,i+1) NOEs in helical peptide, can this be present continuously...
Hi,
I have observed some interesting NOEs for my peptide (5 kDa) in my 2D NOESY spectrum recorded at 900 MHz. I see NOEs that forms an α-helical pattern between 12-24 residues and N&C-terminus of my peptide is unstructured and does not have any secondary structure. The interesting part is, apart from seeing helical NOE patterns, such as αN(i,i+3)and αβ(i,i+3) for the residues between 12 & 24, I see in the alpha proton chemical shift regions of my 2D NOESY spectrum, a continuous αH(i,i+1) NOEs for the residues where I have helical secondary structural region (12-24 aa). That is, I see NOE...
Vivekanandan Subramanian
NMR Questions and Answers
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05-06-2013 02:31 PM
Continuously Tunable 250 GHz Gyrotron with a Double Disk Window for DNP-NMR Spectroscopy
From The DNP-NMR Blog:
Continuously Tunable 250 GHz Gyrotron with a Double Disk Window for DNP-NMR Spectroscopy
Jawla, S., et al., Continuously Tunable 250 GHz Gyrotron with a Double Disk Window for DNP-NMR Spectroscopy. J Infrared Milli Terahz Waves, 2013. 34(1): p. 42-52.
http://dx.doi.org/10.1007/s10762-012-9947-1
nmrlearner
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04-24-2013 09:48 PM
Gyrotron DNP NMR, post-doc position - Telejob
Gyrotron DNP NMR, post-doc position
Inserat Nr. 21707
Vom Mittwoch, 12. September 2012
Arbeitsort Lausanne
Arbeitsbeginn sofort
Vertragsdauer 4 Jahre
Anstellung 100%
EPFL enjoys a strong position in Dynamic Nuclear Polarization for NMR, because it has
developed original designs using several approaches. A campus-wide collaboration in
particular with the CRPP (fusion research center, specialized in gyrotrons) has allowed us to
nmrlearner
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09-22-2012 09:38 PM
Tunable paramagnetic relaxation enhancements by [Gd(DPA)3]3â?? for protein structure
Abstract Paramagnetic relaxation enhancements (PRE) present a powerful source of structural information in nuclear magnetic resonance (NMR) studies of proteins and proteinâ??ligand complexes. In contrast to conventional PRE reagents that are covalently attached to the protein, the complex between gadolinium and three dipicolinic acid (DPA) molecules, 3â??, can bind to proteins in a non-covalent yet site-specific manner. This offers straightforward access to PREs that can be scaled by using different ratios of 3â?? to protein, allowing quantitative distance measurements for nuclear spins...
Manufacturing of a 263 GHz continuously tunable gyrotron
Linear Mode
