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Fourier transform spectroscopy
About: Fourier transform spectroscopy is a research topic. Over the lifetime, 5418 publications have been published within this topic receiving 134133 citations.
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TL;DR: In this paper, a review discusses recent advances in the use of infrared spectroscopy in electrochemistry, focusing on analytical factors that affect the ability to derive structural information from infrared spectra of molecular adlayers.
Abstract: This review discusses recent advances in the use of infrared spectroscopy in electrochemistry. The central focus is on analytical factors that affect the ability to derive structural information from infrared spectra of molecular adlayers. The effects of vibrational coupling and dielectric screening are emphasized. Applications of real-time polarization modulation and step-scan Fourier transform infrared spectroscopy are also presented.
44 citations
TL;DR: In this article, the vibrational spectrum of the linear C6 cluster produced by trapping the products of the high temperature evaporation of graphite in Ar at ∼10 K has yielded a complete set of measurements of the ν4(σu) and ν5σu ) stretching modes for all possible 13C-substituted isotopomers.
Abstract: The vibrational spectrum of the linear C6 cluster produced by trapping the products of the high temperature evaporation of graphite in Ar at ∼10 K has yielded a complete set of measurements of the ν4(σu) and ν5(σu) stretching modes for all possible 13C‐substituted isotopomers. The observed isotopomer frequencies are in excellent agreement with the predictions of recent second‐order, Mo/ller–Plesset, ab initio calculations.
44 citations
TL;DR: In this article, the spin-rotation coupling constants for (33)SO(2) and SO(17)O were determined experimentally for the first time, and they were compared with values for the isoelectronic O(3) molecule.
44 citations
TL;DR: The comprehensive fragmentation of large peptides by CID, IRMPD, and particularly ECD, in conjunction with the high resolution and mass accuracy of FT-MS/MS, is shown to be a valuable means of characterizing mammalian membrane proteins with both chemical and posttranslational modifications.
Abstract: Fourier transform tandem mass spectrometry (FT-MS/MS) can be used to unambiguously assign intramolecular chemical cross-links to specific amino acid residues even when two or more possible cross-linking sites are adjacent in the cross-linked protein. Bovine rhodopsin (Rho) in its dark-adapted state was intramolecularly cross-linked with lysine−cysteine (K−C) or lysine−lysine (K−K) cross-linkers to obtain interatomic distance information. Large, multiply charged, cross-linked peptide ions containing adjacent lysines, corresponding to Rho50-86 (K66 or K67) cross-linked to Rho310-317 (C316) or Rho318-348 (K325 or K339), were fragmented by collision-induced dissociation (CID), infrared multiphoton dissociation (IRMPD), and electron capture dissociation (ECD). Complementary sequence-specific information was obtained by combining cross-link assignments; however, only ECD revealed full palmitoylation of adjacent cysteines (C322 and C323) and cross-linking of K67 (and not K66) to C316, K325, and K339. ECD spectra...
44 citations
TL;DR: A sensitive thermoluminescence emission spectrometer based on Fourier transform spectroscopy is described, sufficiently sensitive to record thermolUMinescence spectra of dosimeter phosphors and minerals for thermolumscence dating at levels corresponding to those found during actual use as radiation monitors or in dating.
Abstract: A sensitive thermoluminescence (TL) emission spectrometer based on Fourier transform spectroscopy is described. It employs a modified scanning Twyman-Green interferometer with photomultiplier detection in a photon-counting mode. The etendue is 180π mm2, and it covers the 350–600-nm wavelength range. The output can be displayed either as a 3-D isometric plot of intensity vs temperature and wavelength, as a contour diagram, or as a conventional TL glow curve of intensity vs temperature. It is sufficiently sensitive to record thermoluminescence spectra of dosimeter phosphors and minerals for thermoluminescence dating at levels corresponding to those found during actual use as radiation monitors or in dating. Examples of actual spectra are given.
44 citations