Macro–micro elementary content of liver and lungs in rats with alimentary adiposity (SRXRF)

Abstract

In alimentary adiposity, some microelements take active part in the metabolism change that proves to be true by an essential deviation from the norm of their concentration in liver and lung tissues during the physiological hunger and soon after fat consumption. The concentrations (in µg/g) of the following chemical elements P, S, Cl, K, Ca, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Br, Rb, and Sr were determined by synchrotron radiation excited X-ray fluorescence (SRXRF) analysis. The measurements were carried out at the experimental station of X-ray fluorescence elemental analysis (Budker Institute of Nuclear Physics SB RAS, storage ring VEPP-3). In alimentary adiposity, deficiency of separate microelements does not concern all organisms, but only some organs. At the condition of physiological hunger in the liver and lungs of rats with alimentary adiposity, the concentrations of As and Br are decreased; besides, in lungs the concentrations of Zn, Se, and Rb are also lowered. Copyright

Analytical Methodologies for Agrometallomics: A Critical Review

“…156 SRXRF has already been reported for elemental concentration and spatial distribution analysis in various agricultural samples such as soil, 157 microorganisms, 158 plants, 159 and animal. 160 For example, Wang et al 161 revealed the response mechanism of pakchoi under stress of Pb and Cr by studying the distribution of other elements related using SRXRF; Gao et al 162 investigated the effect of Se on Hg-containing and Hgresponsive protein in rice and confirmed the antagonism of Se against Hg toxicity by using SRXRF. For another, SRXRF can also be used to predict and diagnose the plant disease, e.g., Milori et al 163 investigated the constituents and contents of mineral elements (K, Ca, Fe, Cu, and Zn) in leaves with and without infection of citrus greening by micro SR-XRF (spot size 200 μm) and could distinguish the infected group from the normal group with 90% accuracy by combining chemometric analysis.…”

“…SRXRF analysis is particularly suitable for studying microscopic distribution (to several micrometer) of trace elements in samples, because of high spatial resolution and the ability of simultaneous multielemental analysis with 50–100 ng/g LOD . SRXRF has already been reported for elemental concentration and spatial distribution analysis in various agricultural samples such as soil, microorganisms, plants, and animal . For example, Wang et al revealed the response mechanism of pakchoi under stress of Pb and Cr by studying the distribution of other elements related using SRXRF; Gao et al investigated the effect of Se on Hg-containing and Hg-responsive protein in rice and confirmed the antagonism of Se against Hg toxicity by using SRXRF.…”