Results 151 to 160 of about 996 (203)

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

Nuclear 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 ...
E Rokita, Grzegorz Taton
exaly   +2 more sources

Micro-PIXE mapping of mineral distribution in mature grain of two pearl millet cultivars [PDF]

Nuclear Instruments & Methods in Physics Research B, 2015
Micro-proton-induced X-ray emission (micro-PIXE) was used to map the distribution of several nutritionally important minerals found in the grain tissue of two cultivars of pearl millet (Pennisetum glaucum (L.) R. Br.).
C A Pineda-Vargas
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, K. ISHII, A. SUGIMOTO, T. SATOH, K. GOTOH, H. YAMAZAKI, S. IWASAKI, K. MUROZONO, J. INOUE, T. HAMANO, S. YOKOTA, T. SAKAI, T. KAMIYA, R. TANAKA   +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., Seznec, H., Barberet, Ph., Bacqueville, D., Mavon, A., Moretto, Ph.   +5 more
openaire   +4 more sources

Quantitative micro-PIXE mapping of squid statoliths

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 1997
Distribution of elements in statoliths of squid Loligo vulgaris reynaudii d'Orbigny, 1845 was studied, using the true elemental imaging system (Dynamic Analysis) of the NAC nuclear microprobe. The analysis revealed various patterns of Ca and Sr distributions.
M.R. Lipinski, W.J. Przybylowicz, M.D. Durholtz, J. Mesjasz-Przybylowicz   +3 more
openaire   +3 more sources

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, T. Cichocki, S. Divoux, B. Gonsior, M. Höfert, L. Jarczyk, A. Strzalkowski, M. Sych   +7 more
openaire   +1 more source

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, S. Matsuyama, Y. Watanabe, Y. Kawamura, T. Yamaguchi, R. Oyama, G. Momose, A. Ishizaki, H. Yamazaki, Y. Kikuchi   +9 more
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Quantitative elemental analysis of rat bone using micro-PIXE analysis

Nuclear Instruments & Methods in Physics Research B
Hydroxyapatite (Ca5(PO4)3(OH)) is the main component of the bone, and the molar ratio of calcium and phosphorus (Ca/P) reflects the growth and health status of the bone.
Yugo Kato, Haruko Yakumaru, Masakazu Oikawa   +2 more
exaly   +2 more sources

Calibration of micro-PIXE analysis of sulfide minerals

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 1987
Abstract Two different standardization methods have been used in micro-PIXE analysis of several hundred sulfide mineral specimens. Their advantages and disadvantages are discussed and the compatibility of the two sets of results is investigated.
J.L. Campbell, L.J. Cabri, P.S.Z. Rogers, K. Traxel, T.M. Benjamin   +4 more
openaire   +1 more source

IN-AIR MICRO-PIXE ANALYSIS OF TISSUE SAMPLES

International Journal of PIXE, 2002
Micro-PIXE is capable of providing spatial distributions of elements in the micro-meter scale and its application to biology is useful to elucidate the cellular metabolism. Since, in this method, a sample target is usually irradiated with proton or α-particle beams in vacuum, beam heating results in evaporation of volatile elements and shrinking of ...
A. Tanaka, K. Ishii, Y. Komori, S. Matsuyama, H. Yamazaki, Y. Oishi, M. Rodriguez, Ts. Amartaivan, K. Kubota, H. Fukuda, T. Kamiya, T. Satoh, T. Sakai, M. Oikawa, K. Arakawa, M. Saidoh   +15 more
openaire   +1 more source