• Synchrotron based X-ray absorption near edge structure (XANES) spectroscopy, together with two-dimensional X-ray fluorescence (XRF) microscopy, provide information beyond the elemental distribution and speciation of the daguerreian tarnish features, revealing the presence of NaCl, KCl, HgCl 2 , HgSO 4 , CuS, and Ag 2 S on the surface. (springeropen.com)
  • Dr. Tim Elam's main research interest is X-ray spectroscopy. (washington.edu)
  • M. Jopen, M. Paulus, C. Sternemann, P. Degen and R. Weberskirch, Comparative Studies on the Organogel Formation of a Polyester in Three Different Base Oils by X-ray Analysis, Rheology and Infrared Spectroscopy, Gels 9 , 696 (2023). (tu-dortmund.de)
  • The distribution of the layer(s) in the background were imaged using: infrared reflectography (900-1100 nm), multi-scale optical coherence tomography scanning, macroscopic X-ray fluorescence and 3D digital microscopy. (springeropen.com)
  • We used skin and lymphatic tissues from human corpses to address local biokinetics by means of synchrotron X-ray fluorescence (XRF) techniques at both the micro (μ) and nano (ν) scale. (nature.com)
  • With the aim of quick and efficient imaging of element distribution in alloys, an imaging strategy, which shows a significant difference around the K-edge of X-ray absorption with respect to specific elements, is a good candidate. (sinap.ac.cn)
  • He has worked in the areas of X-ray absorption, emission, fluorescence, and non-resonant inelastic scattering. (washington.edu)
  • The sensitivity of the X-ray spectroscopic methods is relatively high. (sinap.ac.cn)
  • Additional advanced mass spectrometry-based methodology enabled to demonstrate simultaneous transport of organic pigments, heavy metals and titanium dioxide from skin to regional lymph nodes. (nature.com)
  • However, compared with other types of mass spectrometry, such as thermal ionization mass spectrometry (TIMS) and glow discharge mass spectrometry (GD-MS), ICP-MS introduces many interfering species: argon from the plasma, component gases of air that leak through the cone orifices, and contamination from glassware and the cones. (wikipedia.org)
  • Glow Discharge Mass Spectrometry (GDMS) and Thermal Ionization Mass Spectrometry (TIMS), that require a two-stage process: Insert sample(s) into a vacuum chamber, seal the vacuum chamber, pump down the vacuum, energize sample, thereby sending ions into the mass analyzer. (wikipedia.org)
  • Furthermore, experiments with phantoms and alloys demonstrated that, after elaborate calibration, X-ray KES imaging is capable of nondestructive and sensitive analysis of doped elements in alloys. (sinap.ac.cn)
  • A PANalytical 2.4 kW Axios wavelength dispersive XRF spectrometer with rhodium tube, operated under vacuum, was used for all measurements. (spectroscopyeurope.com)
  • Inductively coupled plasma mass spectrometry (ICP-MS) is a type of mass spectrometry that uses an inductively coupled plasma to ionize the sample. (wikipedia.org)
  • However, compared with other types of mass spectrometry, such as thermal ionization mass spectrometry (TIMS) and glow discharge mass spectrometry (GD-MS), ICP-MS introduces many interfering species: argon from the plasma, component gases of air that leak through the cone orifices, and contamination from glassware and the cones. (wikipedia.org)
  • The Inductively Coupled Plasma Mass Spectrometry is operated in the H mode. (wikipedia.org)
  • What makes Inductively Coupled Plasma Mass Spectrometry (ICP-MS) unique to other forms of inorganic mass spectrometry is its ability to sample the analyte continuously, without interruption. (wikipedia.org)
  • Glow Discharge Mass Spectrometry (GDMS) and Thermal Ionization Mass Spectrometry (TIMS), that require a two-stage process: Insert sample(s) into a vacuum chamber, seal the vacuum chamber, pump down the vacuum, energize sample, thereby sending ions into the mass analyzer. (wikipedia.org)
  • Around 21 compounds are tentatively elucidated from both plants using rapid, simple, and high-resolution analytical technique for chemical profiling of natural compounds by direct analysis in real-time of flight-mass spectrometry, of which 17 were not isolated or reported previously. (bvsalud.org)
  • inductively coupled plasma-optical emission spectroscopy (ICP-OES), 5 and inductively coupled plasma-mass spectrometry (ICP-MS). 6 (The references cited in this paragraph are intended to document the historical progression of the analysis technique, and are not intended to represent the state of the art of current technology. (nationalacademies.org)
  • Essential in an introductory consideration of microanalysis in biological cryosections is the physical basis for the instrumentation, fundamentals of X-ray spectrometry, and various analytical modes such as static probing and X-ray imaging. (nih.gov)
  • Calcium measurements with electron probe X-ray and electron energy loss analysis. (nih.gov)
  • The filter media is analysed directly by XRF spectrometry with little sample preparation other than the mounting of the filter. (spectroscopyeurope.com)
  • This paper presents a broad survey of the rationale for electron probe X-ray microanalysis (EPXMA) and the various methods for obtaining qualitative and quantitative information on the distribution and amount of elements, particularly calcium, in cryopreserved cells and tissues. (nih.gov)
  • Enhancement effects may happen when elements measured are excited by fluorescence from nearby major elements in the matrix. (spectroscopyeurope.com)