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(57)Fe ENDOR spectroscopy on the iron-sulfur cluster involved in substrate reduction of heterodisulfide reductase.
Heterodisulfide reductase (Hdr) from methanogenic archea is an iron-sulfur protein that catalyzes the reversible two-electron reduction of the mixed disulfide CoM-S-S-CoB to the thiol coenzymes,Expand
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Purification and optical spectroscopy of N@C60
Using multi-step high performance liquid chromatography (HPLC) it was possible to prepare a chromatographically pure sample of N@C60. Invoking EPR spectroscopy of solid samples prepared after eachExpand
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Atomic Nitrogen Encapsulated in Fullerenes: Effects of Cage Variations
The synthesis and EPR spectroscopic investigations of a family of six endohedral fullerenes, namely, N@C60 (1), N@C61(COOC2H5)2 (2), N@C66(COOC2H5)12 (3), N@C66(COOC2D5)12 (4), N@C61(COOC2D5)2 (5),Expand
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Potential of High-Frequency EPR for Investigation of Supported Vanadium Oxide Catalysts
Supported vanadium oxide catalysts were studied by high-frequency EPR for determination of the paramagnetic vanadium oxidation states vanadium(IV) and vanadium(III). TiO 2 -, γ-Al 2 O 3 -, and SiO 2Expand
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Single-wall carbon nanotubes and peapods investigated by EPR.
Single-wall carbon nanotubes (SWNT) prepared by the "super growth" method developed recently exhibit electron paramagnetic resonance (EPR) signals, which can be attributed to itinerant spins. EPRExpand
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EPR investigation of atoms in chemical traps
Abstract By performing high-resolution EPR and ENDOR experiments on nitrogen atoms encapsulated in C 60 , the capability of the quartet spin system to sense small local fields at the site of the atomExpand
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Electron paramagnetic resonance study of atomic phosphorus encapsulated in [60]fullerene
Well resolved EPR spectra of P@C60 in solution have been recorded, proving that the encased phosphorus atoms are in their quartet spin ground state. The isotropic hyperfine interaction is increasedExpand
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EPR characterization of catalyst-free SWNT and N@C60-based peapods
Single Wall Carbon Nanotubes (SWNT) produced by "Super-Growth" CVD technique show no evidence for non-carbon impurities. At X-Band frequencies an EPR signal from conduction electrons is observed atExpand
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Single-channel quadrature FT ESR
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Electron paramagnetic resonance investigation of metalloendofullerene derived carbon nanotube peapods.
Single Wall Carbon Nanotubes (SWCNT) prepared by the "super growth" method and arc-grown material were used as templates for peapod preparation with La@C(82). A qualitative change of the electronExpand
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