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Showing 1 to 12 of 12 entries
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Copper ESEEM and HYSCORE through ultra-wideband chirp EPR spectroscopy.

The Journal of chemical physics

Segawa TF, Doll A, Pribitzer S, Jeschke G.
PMID: 26233121
J Chem Phys. 2015 Jul 28;143(4):044201. doi: 10.1063/1.4927088.

The main limitation of pulse electron paramagnetic resonance (EPR) spectroscopy is its narrow excitation bandwidth. Ultra-wideband (UWB) excitation with frequency-swept chirp pulses over several hundreds of megahertz overcomes this drawback. This allows to excite electron spin echo envelope modulation...

Pulsed triple electron resonance (TRIER) for dipolar correlation spectroscopy.

Journal of magnetic resonance (San Diego, Calif. : 1997)

Pribitzer S, Sajid M, Hülsmann M, Godt A, Jeschke G.
PMID: 28802243
J Magn Reson. 2017 Sep;282:119-128. doi: 10.1016/j.jmr.2017.07.012. Epub 2017 Aug 01.

A new pulse sequence is presented for correlating dipolar frequencies in molecules with more than two paramagnetic centers. This triple electron resonance experiment (TRIER) is an extension the double electron-electron resonance (DEER) experiment, which is widely used for distance...

Reprogramming CBX8-PRC1 function with a positive allosteric modulator.

Cell chemical biology

Suh JL, Bsteh D, Hart B, Si Y, Weaver TM, Pribitzer C, Lau R, Soni S, Ogana H, Rectenwald JM, Norris JL, Cholensky SH, Sagum C, Umana JD, Li D, Hardy B, Bedford MT, Mumenthaler SM, Lenz HJ, Kim YM, Wang GG, Pearce KH, James LI, Kireev DB, Musselman CA, Frye SV, Bell O.
PMID: 34715055
Cell Chem Biol. 2021 Oct 26; doi: 10.1016/j.chembiol.2021.10.003. Epub 2021 Oct 26.

Canonical targeting of Polycomb repressive complex 1 (PRC1) to repress developmental genes is mediated by cell-type-specific, paralogous chromobox (CBX) proteins (CBX2, 4, 6, 7, and 8). Based on their central role in silencing and their dysregulation associated with human...

Determining electron-nucleus distances and Fermi contact couplings from ENDOR spectra.

Physical chemistry chemical physics : PCCP

Pribitzer S, Mannikko D, Stoll S.
PMID: 33875997
Phys Chem Chem Phys. 2021 Apr 14;23(14):8326-8335. doi: 10.1039/d1cp00229e. Epub 2021 Apr 06.

The hyperfine coupling between an electron spin and a nuclear spin depends on the Fermi contact coupling a

Bayesian Probabilistic Analysis of DEER Spectroscopy Data Using Parametric Distance Distribution Models.

The journal of physical chemistry. A

Sweger SR, Pribitzer S, Stoll S.
PMID: 32614584
J Phys Chem A. 2020 Jul 30;124(30):6193-6202. doi: 10.1021/acs.jpca.0c05026. Epub 2020 Jul 20.

Double electron-electron resonance (DEER) spectroscopy measures distance distributions between spin labels in proteins, yielding important structural and energetic information about conformational landscapes. Analysis of an experimental DEER signal in terms of a distance distribution is a nontrivial task due...

Coherence Transfer by Passage Pulses in Electron Paramagnetic Resonance Spectroscopy.

The journal of physical chemistry. B

Jeschke G, Pribitzer S, Doll A.
PMID: 25941897
J Phys Chem B. 2015 Oct 29;119(43):13570-82. doi: 10.1021/acs.jpcb.5b02964. Epub 2015 May 13.

Linear passage pulses provide a simple approach to ultra-wideband electron paramagnetic resonance (EPR) spectroscopy. We show by numerical simulations that the efficiency of inversion of polarization or coherence order on a single transition by idealized passage pulses is an...

Reprogramming CBX8-PRC1 function with a positive allosteric modulator.

Cell chemical biology

Suh JL, Bsteh D, Hart B, Si Y, Weaver TM, Pribitzer C, Lau R, Soni S, Ogana H, Rectenwald JM, Norris JL, Cholensky SH, Sagum C, Umana JD, Li D, Hardy B, Bedford MT, Mumenthaler SM, Lenz HJ, Kim YM, Wang GG, Pearce KH, James LI, Kireev DB, Musselman CA, Frye SV, Bell O.
PMID: 34715055
Cell Chem Biol. 2021 Oct 26; doi: 10.1016/j.chembiol.2021.10.003. Epub 2021 Oct 26.

Canonical targeting of Polycomb repressive complex 1 (PRC1) to repress developmental genes is mediated by cell-type-specific, paralogous chromobox (CBX) proteins (CBX2, 4, 6, 7, and 8). Based on their central role in silencing and their dysregulation associated with human...

Soil Respiration in European Grasslands in Relation to Climate and Assimilate Supply.

Ecosystems (New York, N.Y.)

Bahn M, Rodeghiero M, Anderson-Dunn M, Dore S, Gimeno C, Drösler M, Williams M, Ammann C, Berninger F, Flechard C, Jones S, Balzarolo M, Kumar S, Newesely C, Priwitzer T, Raschi A, Siegwolf R, Susiluoto S, Tenhunen J, Wohlfahrt G, Cernusca A.
PMID: 20936099
Ecosystems. 2008 Dec;11(8):1352-1367. doi: 10.1007/s10021-008-9198-0.

Soil respiration constitutes the second largest flux of carbon (C) between terrestrial ecosystems and the atmosphere. This study provides a synthesis of soil respiration (R(s)) in 20 European grasslands across a climatic transect, including ten meadows, eight pastures and...

SPIDYAN, a MATLAB library for simulating pulse EPR experiments with arbitrary waveform excitation.

Journal of magnetic resonance (San Diego, Calif. : 1997)

Pribitzer S, Doll A, Jeschke G.
PMID: 26773526
J Magn Reson. 2016 Feb;263:45-54. doi: 10.1016/j.jmr.2015.12.014. Epub 2016 Jan 04.

Frequency-swept chirp pulses, created with arbitrary waveform generators (AWGs), can achieve inversion over a range of several hundreds of MHz. Such passage pulses provide defined flip angles and increase sensitivity. The fact that spectra are not excited at once,...

Determining electron-nucleus distances and Fermi contact couplings from ENDOR spectra.

Physical chemistry chemical physics : PCCP

Pribitzer S, Mannikko D, Stoll S.
PMID: 33875997
Phys Chem Chem Phys. 2021 Apr 14;23(14):8326-8335. doi: 10.1039/d1cp00229e. Epub 2021 Apr 06.

The hyperfine coupling between an electron spin and a nuclear spin depends on the Fermi contact coupling a

Transverse interference peaks in chirp FT-EPR correlated three-pulse ESEEM spectra.

Journal of magnetic resonance (San Diego, Calif. : 1997)

Pribitzer S, Segawa TF, Doll A, Jeschke G.
PMID: 27620823
J Magn Reson. 2016 Nov;272:37-45. doi: 10.1016/j.jmr.2016.08.010. Epub 2016 Aug 22.

Fourier transform (FT) electron paramagnetic resonance (EPR) correlation spectroscopy usually requires broader excitation bandwidth than can be achieved by monochromatic rectangular pulses. Replacement of such pulses by frequency-swept pulses affords the correlation spectra, which, however, may not look the...

Sensitivity enhancement by population transfer in Gd(III) spin labels.

Physical chemistry chemical physics : PCCP

Doll A, Qi M, Pribitzer S, Wili N, Yulikov M, Godt A, Jeschke G.
PMID: 25697259
Phys Chem Chem Phys. 2015 Mar 21;17(11):7334-44. doi: 10.1039/c4cp05893c.

In order to enhance echo signals observed with selective pulses, equilibrium populations of the energy levels of S = 7/2 Gd(III) spin labels are rearranged with frequency-swept passage pulses. To transfer population from as many energy levels as possible,...

Showing 1 to 12 of 12 entries