Production of chemically pure gaseous [13N]NH3 pulses for PEP studies using a modified DeVarda reduction

Autor: van Ra Rutger Santen, van J Joop Grondelle, de Am Arthur Jong, DP Darek Sobczyk, de Mja Martien Voigt

Publikováno v: Applied Radiation and Isotopes. 57:201-207

A fast and reproducible production method for pure gaseous [13N]NH3 pulses has been developed. 13N was produced by irradiation of water with 500 nA of 16 MeV protons via the 16O(p,α)13N reaction. A mixture of DeVarda's alloy and NaOH was used to con

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0cfee108c5be592f12de14533b2b353c
https://doi.org/10.1016/s0969-8043(02)00094-5

Tracer-exchange experiments with positron emission profiling: diffusion in zeolites

Autor: de Am Arthur Jong, de Mja Martien Voigt, de Fjmm Gauw, R R Schumacher, van Ra Rutger Santen, BG Bruce Anderson, NJ Noordhoek

Publikováno v: Microporous and Mesoporous Materials, 35-36, 315-326. Elsevier

A new technique for tracer-exchange experiments with positron emission profiling, was developed which permits the spatially resolved, in situ investigation of kinetic processes in fixed- bed reactors under steady-state conditions. Modeling of the com

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2bfccc7d24156dbe94532e14855340d0
https://doi.org/10.1016/s1387-1811(99)00230-9

Verification of a uranium micromass standard using the Eindhoven scanning microprobe

Autor: Pha Peter Mutsaers, de Mja Martien Voigt, Dpl David Simons, A Lagerwaard

Publikováno v: Nuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms, 158(1-4), 517-522. Elsevier

Analysis of dust samples from uranium enrichment facilities is focused on the detection and analysis of uranium-containing particles. A chemical and isotopic analysis of individual particles from dust samples is thought to be an effective analytical

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8ecccfb497ed4e383a90c932802a8e30
https://doi.org/10.1016/s0168-583x(99)00340-7

Energy response of a novel compact Ge+BGO spectrometer for 4-20 MeV gamma-rays

Autor: W. Przygoda, A. Balanda, J. C. S. Bacelar, A. Krasznahorkay, de Mja Martien Voigt, M. Csatlós, S. Schadmand

Publikováno v: Nuclear Instruments and Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 421(1-2), 272-277. Elsevier
Nuclear instruments & methods in physics research section a-Accelerators spectrometers detectors and associated equipment, 421(1-2), 272-277. ELSEVIER SCIENCE BV

The energy response of a novel composite Ge + BGO spectrometer has been measured for high-energy (4-20 MeV) photons. The spectrometer consists of a cooled Ge solid state central detector surrounded by a single BGO scintillator crystal without having

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aeca5d6d776bdc7b3ed3532fe5bb675f
https://doi.org/10.1016/s0168-9002(98)01210-8

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

Autor: Grzegorz Tatoń, Pha Peter Mutsaers, JA John Quaedackers, de Mja Martien Voigt, Eugeniusz Rokita

Publikováno v: Nuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms, 139(1-4), 180-185. Elsevier

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

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1e4e806fb94acb3f07ed7baaba66edf5
https://doi.org/10.1016/s0168-583x(97)01002-1