QUANTITATIVE MICROANALYSIS OF MATRIX-ELEMENTS IN BIOLOGICAL SAMPLES BY MEV PROTON-SCATTERING

被引:6
作者
HULT, M
THEMNER, K
机构
[1] Department of Nuclear Physics, Lund Institute of Science and Technology, S-223 62 Lund
关键词
D O I
10.1016/0168-583X(90)90349-Y
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
A computer program, HCNO-MAP, has been specially designed to evaluate data from the analysis of biological samples done with a scanning nuclear microprobe. It produces quantitative maps of the elements 1H, 12C, 14N and 16O from spectra of elastically backscattered and forward-scattered protons, at a speed of 0.3-0.4 s/pixel on a microVAX-II computer. Algorithms for the automatic evaluation used in the program are described. Results from analyses of plastic foils show that the program is capable of handling poor pulse statistics. A quantitative map of 12C in a cross section of a rootlet is presented. © 1990.
引用
收藏
页码:154 / 158
页数:5
相关论文
共 14 条
[1]  
Andersen H. H., 1977, HYDROGEN STOPPING PO, V3
[2]  
Chu W.-K., 1978, BACKSCATTERING SPECT
[4]  
JARJIS RA, 1979, NUCLEAR CROSS SECTIO, V3
[5]  
JARJIS RA, 1979, NUCLEAR CROSS SECTIO, V2
[6]   PROTON-PROTON SCATTERING FROM 1.4 TO 2.4 MEV [J].
KNECHT, DJ ;
MESSELT, S ;
BERNERS, ED ;
NORTHCLIFFE, LC .
PHYSICAL REVIEW, 1959, 114 (02) :550-559
[8]   PIXE AND PROTON MICROPROBE ADVANCES AT THE LUND-INSTITUTE-OF-TECHNOLOGY [J].
MALMQVIST, KG ;
ASKING, L ;
HANSSON, HC ;
HELLBORG, R ;
HYLTEN, G ;
JOHANSSON, EM ;
JOHANSSON, SAE ;
KRISTIANSSON, P ;
LARSSON, P ;
LOVESTAM, NEG ;
MARTINSSON, BG ;
PALLON, J ;
SVANTESSON, B ;
SWIETLICKI, E ;
TAPPER, UAS ;
THEMNER, K .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 1989, 40-1 :685-689
[9]  
PALLON J, 1990, NUCL INSTRUM METH B, V44, P391