PIXE ANALYSIS OF TRACE ELEMENTS IN CLAM SHELLS MARKED WITH IRON RUSTING

1996 ◽  
Vol 06 (03n04) ◽  
pp. 517-522 ◽  
Author(s):  
YOSHINORI KOSHIKAWA ◽  
NOBUAKI ARAI ◽  
WATARU SAKAMOTO ◽  
KOJI YOSHIDA
Keyword(s):  
Trace Elements ◽  
Trace Element ◽  
Intensity Ratio ◽  
Ruditapes Philippinarum ◽  
Pixe Analysis ◽  
X Ray ◽  
Elemental Concentrations ◽  
Element Concentrations ◽  
Pixe Method

Trace element concentrations in short necked clam Ruditapes philippinarum marked shells with iron rusting were determined by particle induced X-ray emission (PIXE) method. Element such as Ca, Mn, Fe, Zn, Sr, and Br were detected in the shells. The Fe/Ca X-ray intensity ratio decreased exponentially on the day after marking. It was concluded that the higher Fe concentration on marked clams was caused by attached iron rusting. The concentrations of Fe, Br, and Sr differed among the 3 stations (Kamaya, Shigaki, and Iwatani), suggesting that elemental concentrations may be related to the growth of clams.

TRACE ELEMENT ANALYSIS IN ANTS COLLECTED IN JAPAN, FINLAND AND SWEDEN

1992 ◽  
Vol 02 (03) ◽  
pp. 405-411 ◽  
Author(s):  
K. KITAO
Keyword(s):  
Trace Elements ◽  
Trace Element ◽  
Trace Element Analysis ◽  
Reasonable Accuracy ◽  
Element Analysis ◽  
Pixe Analysis ◽  
X Ray ◽  
Minor Elements ◽  
Analytical Results ◽  
Pixe Method

Particle induced x-ray emission has been used to determine the concentration of trace elements in ants (Formicidae). Scanning PIXE analysis was also used to determine the distribution of these elements. Samples of ants were collected from gardens, buildings or from the roadway in Japan, Finland and Sweden. The only pre-treatments were dusting and washing. In each run of experiments we used only one individual ant and have obtained the analytical results of a reasonable accuracy. We have detected chemical minor elements, i.e., Mn, Fe, Cu, Zn, Rb, Br and Sr. The PIXE, and scanning PIXE method proved to be useful and sensitive enough to measure trace elements in such small insects as ants.

PIXE ANALYSIS OF CARTILAGE SAMPLES

1992 ◽  
Vol 02 (04) ◽  
pp. 481-487 ◽  
Author(s):  
J. VOGT ◽  
G. OTTO ◽  
K.H. Dannhauer
Keyword(s):  
Trace Element ◽  
Proton Beam ◽  
Pixe Analysis ◽  
Domestic Pigs ◽  
Element Concentrations ◽  
Elemental Contents ◽  
Intensive Investigation ◽  
Pixe Method

Despite intensive investigation, normal and abnormal calcification mechanisms are still poorly understood. In our study we measured the change of main and trace element concentrations across the calcification area of the mandibular cartilage of domestic pigs of different age. The PIXE method was employed for the analysis of the cartilage samples, using a proton beam with an energy of 1700 keV. Concentration values of the elements P, S, Cl, K, Fe, Ni, Cu, Zn, Br, Rb, and Sr were evaluated from the measured spectra. Significant changes of elemental contents across the calcification area could be observed.

scholarly journals The stability of major and trace element concentrations from musts to Champagne during the production process

OENO One ◽  
2022 ◽  
Vol 56 (1) ◽  
pp. 29-40
Author(s):  
Robin Cellier ◽  
Sylvain Berail ◽  
Ekaterina Epova ◽  
Julien Barre ◽  
Fanny Claverie ◽  
...  
Keyword(s):  
Trace Elements ◽  
Production Process ◽  
Trace Element ◽  
Narrow Range ◽  
Grape Juice ◽  
Elemental Concentrations ◽  
Element Concentrations ◽  
Production Processes ◽  
Overall Stability ◽  
The Stability

Thirty-nine Champagnes from six different brands originating from the AOC Champagne area were analyzed for major and trace element concentrations in the context of their production processes and in relation to their geographical origins. Inorganic analyses were performed on the must (i.e., grape juice) originating from different AOC areas and the final Champagne. The observed elemental concentrations displayed a very narrow range of variability. Typical concentrations observed in Champagne are expressed in mg/L for elements such as K, Ca, Mg, Na, B, Fe, A, and Mn. They are expressed in µg/L for trace elements such as Sr, Rb, Ba, Cu, Ni, Pb Cr and Li in decreasing order of concentrations. This overall homogeneity was observed for Sr and Rb in particular, which showed a very narrow range of concentrations (150 < Rb < 300 µg/L and 150 < Sr < 350 µg/L) in Champagne. The musts contained similar levels of concentration but showed slightly higher variability since they are directly influenced by the bedrock, which is quite homogenous in the AOC area being studied. Besides the homogeneity of the bedrock, the overall stability of the concentrations recorded in the samples can also be directly linked to the successive blending steps, both at the must level and prior to the final bottling. A detailed analysis of the main additives, sugar, yeast and bentonite, during the Champagne production process, did not show a major impact on the elemental signature of Champagne.

DETERMINATION OF TRACE ELEMENTS IN HUMAN SALIVA BY PIXE TECHNIQUE

1996 ◽  
Vol 06 (01n02) ◽  
pp. 273-276 ◽  
Author(s):  
P. HATAMI ◽  
H. PEYROVAN ◽  
H. AFARIDEH ◽  
S. SHOJAEI
Keyword(s):  
Trace Elements ◽  
Healthy Volunteers ◽  
Trace Element ◽  
Element Concentration ◽  
Trace Element Concentration ◽  
Human Saliva ◽  
Normal Range ◽  
Pixe Analysis ◽  
X Ray

Mineral trace element concentration of human saliva from healthy volunteers, were investigated by Proton-Induced X-ray Emission (PIXE) analysis. The specimens were bombarded with Proton beams of 2 MeV from a Van de Graaff accelerator at NRC . The object of this measurement was to find a normal range of trace element concentration for Iranian people.

AN ATTEMPT TO DETERMINE POSITIONS OF AEROSOL SOURCE BY THE PIXE ANALYSIS

1999 ◽  
Vol 09 (01n02) ◽  
pp. 51-56 ◽  
Author(s):  
S. Matsuyama ◽  
Y. Tokai ◽  
K. Ishii ◽  
H. Yamazaki ◽  
K. Gotoh ◽  
...  
Keyword(s):  
Meteorological Data ◽  
Pixe Analysis ◽  
X Ray ◽  
Elemental Concentrations ◽  
Wind Velocities ◽  
Aerosol Sources ◽  
People Movement ◽  
The Many ◽  
Aerosol Source ◽  
Pixe Method

Aerosols were continuously collected for 2 or 3 hours during the periods of 4-27 August 1997 and of 23 March-2 April 1998 at a suburb of Sendai City (east 10 km from Sendai), and meteorological data such as wind directions, wind velocities, etc were measured at the same time. The collected aerosol samples were analyzed by the particle-induced X-ray emission (PIXE) method. Fourteen elements (S, Cl, K, Ca, Ti, V, Cr, Mn, Fe, Ni, Cu, Zn, Hg and Pb) were contained in these samples. The elemental concentrations increased in the daytime and decreased at night. It coincided with the time variation of people movement. The concentrations of Mn, Fe, Zn and Pb elements depended strongly on the direction of wind and their distributions for wind directions reflected to the position of aerosol sources. This result suggests that the position of aerosol source can be determined by measuring aerosols and wind directions at the many positions.

Elemental Analysis of Biomedical Samples by Pixe

1977 ◽  
Vol 21 ◽  
pp. 261-266
Author(s):  
J. A. Guffey ◽  
H. A. Van Rinsvelt ◽  
W. R. Adams ◽  
R. M. Sarper ◽  
Z. Karcioglu ◽  
...  
Keyword(s):  
Trace Elements ◽  
Early Detection ◽  
Trace Element ◽  
Elemental Analysis ◽  
Diagnostic Tool ◽  
Trace Element Analysis ◽  
Analytical Tool ◽  
Element Analysis ◽  
Pixe Analysis ◽  
X Ray

The use of particle-induced X-ray emission (PIXE) analysis as a standard analytical tool in the study of trace elements is well known. In the present investigation, an attempt is made to correlate human diseases with the presence or absence of trace elements and/or the changes in their concentration in healthy and diseased tissues. If such correlations do actually exist, trace element analysis could certainly be used as a diagnostic tool for the early detection of diseases and there is considerable interest in such information.

CHANGES OF BLOOD PLASMA ELEMENT CONTENTS IN X-RAY IRRADIATED MICE BY PIXE ANALYSIS

1995 ◽  
Vol 05 (02n03) ◽  
pp. 85-95 ◽  
Author(s):  
ITSURO TAMANOI ◽  
AKEMI NAKAMURA ◽  
KIYOFUSA HOSHIKAWA ◽  
MUTSUMI KACHI ◽  
BUNSHIRO GOTO ◽  
...  
Keyword(s):  
Trace Elements ◽  
Blood Plasma ◽  
Whole Body ◽  
Pixe Analysis ◽  
X Ray ◽  
Dead Mouse ◽  
Small Rise ◽  
Quantitative Changes ◽  
Pixe Method ◽  
In Blood Plasma

The quantitative changes of elements in blood plasma were observed with the passage of time after X-ray whole body irradiation with 12 Gy on C57BL/6J mice by PIXE method. From 4 days after irradiation, dead mouse was found and all mice died by 8 days. Hematocrit (Ht) values indicated a decrease from the 1st day, but on days 3 and 4 there was a small rise. Finally the values became 64 % of that of non-irradiated control on day 7, it was just before death. By analysis with PIXE method, 15 elements were observable in blood plasma of control mice. The elements such as P, S, Cl, K, Ca and Cr were abundant and Fe and Br followed. As trace elements, the peaks of Zn, Cu and Ni were clearly observed. After irradiation, K and Ca decreased on day 1st, afterwards increased gradually. On the contrary, the elements, S, Cl, were rather stable. While Fe decreased from 1st day, Cu increased from the day 2. Zn and Ni showed intensely down and rise in amount, and decreased on day 7. The results of possible measurement of the changes in amount of these elements of blood plasma suggest PIXE method is an easy and useful way for diagnosis.

APPLICATION OF PIXE TECHNIQUE TO DETERMINATION OF TRACE ELEMENTS IN DIET AND COMPARISON WITH NAA AND ICP-AES

1996 ◽  
Vol 06 (01n02) ◽  
pp. 395-403
Author(s):  
Masae Yukawa ◽  
Yoshito Watanabe ◽  
Yoshikazu Nishimura ◽  
Mieko Kimura
Keyword(s):  
Trace Elements ◽  
South America ◽  
Daily Intake ◽  
Radiation Doses ◽  
Internal Radiation ◽  
Pixe Analysis ◽  
Daily Dietary Intake ◽  
Elemental Concentrations ◽  
Total Diet

PIXE technique was applied to measurement of trace elements in total diet samples collected in Japan for estimation of their daily dietary intake. Results of PIXE analysis were compared with INAA Concentration of Cl, K, Mn and Zn by PIXE analysis well agreed with the results from NAA, while Ca, Fe and Cu showed different results between these two techniques. Preliminary data of elemental concentrations in Mate-cha, a kind of tea popular in South America, determined by ICP-AES indicated a little higher concentration of Cu than that by PIXE and much lower value than that by INAA For Zn. concentrations by PIXE and ICP well agreed to each other, while INAA gave much lower value. Japanese internal radiation doses by 137 Cs and 90 Sr were estimated to be 2.30µSv/year and 1.27µSv/year respectively as the effective dose equivalents using the daily intake data obtained for K and Ca.

Radioisotope X-ray fluorescence and neutron activation analyses of the trace element concentrations of the rainbow trout

1999 ◽  
Vol 49 (S1) ◽  
pp. 389-393
Author(s):  
T. Akyuz ◽  
A. Bassari ◽  
C. Bolcal ◽  
E. Sener ◽  
M. Yildiz ◽  
...  
Keyword(s):  
Rainbow Trout ◽  
Neutron Activation ◽  
Trace Element ◽  
X Ray ◽  
Element Concentrations

scholarly journals Trace-Element Concentrations In Human Hair Measured By Proton-Induced X-Ray Emission

1976 ◽  
Vol 66 (6) ◽  
pp. 371-375 ◽  
Author(s):  
D. Rendić ◽  
S. Holjević ◽  
V. Valković ◽  
T.H. Zabel ◽  
G.C. Phillips
Keyword(s):  
Trace Element ◽  
Human Hair ◽  
X Ray ◽  
Element Concentrations
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