Results 141 to 150 of about 1,251,014 (199)

Holographic tomographic volumetric additive manufacturing. [PDF]

open access: yesNat Commun
Álvarez-Castaño MI   +6 more
europepmc   +1 more source

On the characterization of the “Paris” meteorite using PIXE, RBS and micro-PIXE

open access: yesNuclear Instruments & Methods in Physics Research B, 2013
Abstract “Paris” meteorite is a CM type carbonaceous chondrite, a primitive meteorite whose parent body has been formed in the early stage of the solar system and that has experienced low alterations (thermal and aqueous) since its formation. Proton induced X-ray emission (PIXE), Rutherford backscattering spectroscopy (RBS) and micro-PIXE techniques ...
Thomas Calligaro   +2 more
exaly   +5 more sources

Comparison between major and trace element concentrations in garnet performed by EPMA and micro-PIXE techniques

open access: yesSpectrochimica Acta, Part B: Atomic Spectroscopy, 2003
This paper deals with the application of the electron and proton microprobe (EPMA and micro-PIXE) in order to determine major and trace elements in metamorphic garnet samples.
Claudio Mazzoli   +2 more
exaly   +2 more sources
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Development of a Micro-PIXE Camera

International Journal of PIXE, 1998
We developed a system of μ-PIXE analysis at the division of Takasaki ion accelerator for advanced radiation application (TIARA) in Japan Atomic Energy Research Institute (JAERI), which consists of a microbeam apparatus, a multi-parameter data acquisition system and a personal computer.
S. MATSUYAMA   +13 more
openaire   +1 more source

The skin barrier function: a micro‐PIXE study

X-Ray Spectrometry, 2009
Abstract Human body is perpetually subjected to environmental exposures as sun, natural, urban or industrial pollutions and societal exposures. Skin is the main physiological barrier facing to these different stresses; however its response mechanisms are still not well understood. Skin models are thus necessary to
Simon, M.   +5 more
openaire   +4 more sources

Micro-PIXE and FT–IR microscopic studies of mineralized nodules formed in rat bone marrow stromal cell cultures

open access: yesNuclear Instruments & Methods in Physics Research B, 1998
A proton microprobe in combination with Proton Induced X-ray Emission (micro-PIXE) and Fourier transform–infrared (FT–IR) microscopy are used for examination of the elemental composition and structure of inorganic deposits formed in cell cultures of rat ...
Grzegorz Tatoń   +2 more
exaly   +2 more sources

Micro‐PIXE characterization of different skin models

X-Ray Spectrometry, 2005
Abstract Because of the large natural inter‐individual variability and of some difficulties in obtaining material from surgery or from healthy volunteers, the use of human native skin in experimentation comes up against fierce competition from experimental models, such as reconstituted epidermis or human skin grafted in animals.
Gontier, E.   +13 more
openaire   +2 more sources

Micro-PIXE investigation of bean seeds to assist micronutrient biofortification

open access: yesNuclear Instruments & Methods in Physics Research B, 2011
AbstractThis study compares the distribution and concentrations of micro- and macronutrients in different bean cultivars with the aim of optimizing the biofortification, a sustainable approach towards improving dietary quality. Micro-PIXE was used to reveal the distribution of Fe, Zn, Mn, Ca, P, S in seeds of common beans (Phaseolus vulgaris) and ...
Jens Stougaard   +2 more
exaly   +4 more sources

3D-imaging using micro-PIXE

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2007
Abstract We have developed a 3D-imaging system using characteristic X-rays produced by proton micro-beam bombardment. The 3D-imaging system consists of a micro-beam and an X-ray CCD camera of 1 mega pixels (Hamamatsu photonics C8800X), and has a spatial resolution of 4 μm by using characteristic Ti–K-X-rays (4.558 keV) produced by 3 MeV protons of ...
K. Ishii   +9 more
openaire   +1 more source

Micro-PIXE quantification of histochemical reactions

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 1990
Abstract The proton induced X-ray emission in combination with a proton microprobe (micro-PIXE) was used for the quantitative determination of a locally bound histochemical reaction end-product. The determination of proteoglycans (PG) content in the cartilage is described in detail. The cartilage from the femur and the skull of 17–19 days old embryos
E. Rokita   +7 more
openaire   +1 more source

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