Towards Determination of Distances Between Nanoparticles and Grafted Paramagnetic Ions by NMR Relaxation [0.03%]
利用核磁共振弛豫测定纳米颗粒与接枝的顺磁离子之间的距离
A M Panich,N A Sergeev
A M Panich
We developed an approach for determining distances between carbon nanoparticles and grafted paramagnetic ions and molecules by means of nuclear spin-lattice relaxation data. The approach was applied to copper-, cobalt- and gadolinium-grafte...
Determination of Carbon Chain Lengths of Fatty Acid Mixtures by Time Domain NMR [0.03%]
利用时域核磁共振测定脂肪酸混合物碳链长度分布的新方法研究
E Nikolskaya,Y Hiltunen
E Nikolskaya
Average carbon chain length is a key parameter that defines the quality of liquid biofuels. In this paper, a method for the determination of carbon chain lengths of fatty acid mixtures is presented. The approach is based on proton relaxatio...
George A Rinard,Richard W Quine,Laura A Buchanan et al.
George A Rinard et al.
Resonators for preclinical electron paramagnetic resonance imaging have been designed primarily for rodents and rabbits and have internal diameters between 16 and 51 mm. Lumped circuit resonators include loop-gap, Alderman-Grant, and saddle...
Derek Marsh
Derek Marsh
Calibrations are given to extract orientation order parameters from pseudo-powder electron paramagnetic resonance line shapes of 14N-nitroxide spin labels undergoing slow rotational diffusion. The nitroxide z-axis is assumed parallel to the...
High-pressure EPR spectroscopy studies of the E. coli lipopolysaccharide transport proteins LptA and LptC [0.03%]
大肠杆菌脂多糖转运蛋白LptA和LptC的高压电子参数共振光谱研究
Kathryn M Schultz,Candice S Klug
Kathryn M Schultz
The use of pressure is an advantageous approach to the study of protein structure and dynamics because it can shift the equilibrium populations of protein conformations toward higher energy states that are not of sufficient population to be...
James S Hyde,Richard R Mett
James S Hyde
The dielectric tube resonator (DTR) for EPR spectroscopy is introduced. It is defined as a metallic cylindrical TE011 microwave cavity that contains a dielectric tube centered on the axis of the cylinder. Contour plots of dimensions of the ...
George A Rinard,Richard W Quine,Joseph McPeak et al.
George A Rinard et al.
A copper X-band (9.22 GHz) cross loop resonator has been constructed for use with 4 mm sample tubes. The Q for the two resonators are 380 and 350, respectively. The resonator efficiency is about 1 G per square root of watt. Operation has be...
Subramanian V Sundramoorthy,Boris Epel,Howard J Halpern
Subramanian V Sundramoorthy
A magnetometer designed for permanent magnet manufacturing and operated around 25 mT with 10ppm absolute accuracy is described. The magnetometer uses pulse electron paramagnetic resonance (EPR) methodology. The use of a pulsed broadband acq...
Uniform Field Re-entrant Cylindrical TE[Formula: see text] Cavity for Pulse Electron Paramagnetic Resonance Spectroscopy at Q-band [0.03%]
用于Q波段脉冲电子顺磁共振光谱的均匀场再入式圆柱形TE111模腔
Jason W Sidabras,Edward J Reijerse,Wolfgang Lubitz
Jason W Sidabras
Uniform field (UF) resonators create a region-of-interest, where the sample volume receives a homogeneous microwave magnetic field ([Formula: see text]) excitation. However, as the region-of-interest is increased, resonator efficiency is re...
Klaus Möbius,Wolfgang Lubitz,Anton Savitsky
Klaus Möbius
In this minireview, we report on our year-long EPR work, such as electron-nuclear double resonance (ENDOR), pulse electron double resonance (PELDOR) and ELDOR-detected NMR (EDNMR) at X-band and W-band microwave frequencies and magnetic fiel...