NAA for applied investigations at FLNP JINR: present and future

Frontasyeva, M. V.; Павлов, С. С.; Швецов, В. Н.

doi:10.1007/s10967-010-0814-z

Cited by 9 publications

(5 citation statements)

References 37 publications

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“…The prepared samples were subjected to instrumental neutron activation analysis INAA by the sector of neutron activation analysis and applied research, REGATA facility – IBR2 and the group of neutron activation analysis GNAA - IREN research facility (intense resonance neutron source) at FLNP, JINR for the determination of intermediate and long-lived isotopes, respectively. Detailed description of the irradiation mechanism was published elsewhere by Frontasyeva and Pavlov [8] ; Frontasyeva [10] ; Pavlov [11] …”

Section: Experimental Design Materials and Methodsmentioning

confidence: 99%

“…All gamma spectra measurements were performed using a liquid nitrogen cooled HPGe detector with an energy resolution of 2.1 keV for the 1332 keV 60 Co gamma line. A Genie 2000 software was used to analyze the recorded spectra while the energy calibration elemental composition determination was done by using a proprietary software [10] . Under these conditions, the minimum measured mass fraction was of the order of magnitude of 0.1 mg/kg.…”

Section: Experimental Design Materials and Methodsmentioning

confidence: 99%

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Datasets of trace elements in shallow marine sediments along the Egyptian shore of the Mediterranean and Red Seas

et al. 2022

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Section: Experimental Design Materials and Methodsmentioning

confidence: 99%

Section: Experimental Design Materials and Methodsmentioning

confidence: 99%

Datasets of trace elements in shallow marine sediments along the Egyptian shore of the Mediterranean and Red Seas

et al. 2022

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“…The concentration of hydrogen ions in CL was determined by potentiometer pH-150M. The concentration of mineral elements in the biomass was determined by epithermal neutron activation analysis at the IBR-2 in Joint Institute of Nuclear Research (JINR, Dubna, Russia) [22][23][24]. Multiplicity of experimental replicates was 3.…”

Section: Methodsmentioning

confidence: 99%

Zirconia Nanoparticles Impact On Morphophysiological Data And Mineral Composition Of P. ostreatus

Doroshkevich

Frontasyeva

Doroshkevich

et al. 2015

Ecological Chemistry and Engineering S

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Neutron activation analysis of the Pleurotus ostreatus showed that adding of solid solution of ZrO2-Y2O3 hydroxide and oxide (3 mol % Y2O3) nanoparticles of size 4 and 9 nm at a concentration of 0.2 weight percent in a nutrient medium (Czapek) alters the character of physiological processes in the biological tissues of the mushrooms. This is manifested in the form of a significant change in morphological and physiological characteristics of the mushrooms and the elemental composition of the dry biomass. In particular, it is shown that the intercalation of nanoparticles into the tissues of the mushrooms leads to an increase of 1.3-1.4 times (more than 2.6 g/dm 3 ) of biomass accumulation (industrial strain HK 35) and decrease of 1.7-1.8 times (below 1.7-2.5 mg/mm 3 ) of concentrations of extracellular proteins into the culture fluid at a substantially constant value of the acidity. It is shown that the addition of ZrO2+3 mol % Y2O3 nanoparticles of sizes 4 or 9 nm into tissue of mushroom at step of the mother mycelium in very small concentrations can alter effectively the chemical composition of the substances produced by the cells and consequently, its physiological activity. It is shown that the use of low concentrations of ZrO2 nanoparticles allow to increase the yield and resistance of crops to diseases up to 1.2-1.5 times, as well as in the long term can be used in biomedical technologies for the treatment of cancer diseases.

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“…The IBR-2 pulsed nuclear reactor has an average power of 2 MW and installed a pneumatic system. 39 Short-lived elements (Mg, Al, Cl, Ca, Ti, V, Mn, and I) were irradiated for 3 minutes and measured for 15 minutes. Another aliquote of plant sample was irradiated for 3 days in the Cd-screened channel under the neutron flux of 1.8×10 11 cm −2 s −1 to determine long-lived isotopes.…”

Section: Instrumental Neutron Activation Analysis (Inaa)mentioning

confidence: 99%

Comparison of non-destructive techniques and conventionally used spectrometric techniques for determination of elements in plant samples (coniferous leaves)

Orlić

Anicic-Urosevic

Vergel

et al. 2022

JSCS

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Conventionally used spectrometric techniques (ICP-OES, ICP-MS) usually involve time-consuming sample preparation procedure of sample dissolution which requires the usage of aggressive and toxic chemicals. The need for suitable and sustainable analytical methods for direct multi-elemental analysis of plant samples has been increased in recent years. Spectrometric techniques for direct sample analysis (INAA, XRF) have been applied in environmental studies and various fields of screening tests. Nevertheless, these techniques are not commonly used for plant sample analysis and their performances need to be evaluated. This research aimed to assess how reliable non-destructive techniques are in the determination of elements in plants compared to conventionally used spectrometric techniques. A total of 49 plant samples of four conifer species (Pinus nigra, Abies alba, Taxus baccata, and Larix decidua) were measured using two conventionally used (ICP-MS, ICP-OES) and two non-destructive techniques (WD-XRF, INAA). The comparison was performed by investigation of relative ratios of concentrations and by correlation analysis. Moreover, precision of the techniques was examined and compared. The quality control included analysis of NIST pine needles certified reference material (1575a) using all examined techniques. Our results suggest that additional analytical and quality control steps are necessary for reaching the highest accuracy of multi-elemental analysis.

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NAA for applied investigations at FLNP JINR: present and future

Cited by 9 publications

References 37 publications

Datasets of trace elements in shallow marine sediments along the Egyptian shore of the Mediterranean and Red Seas

Datasets of trace elements in shallow marine sediments along the Egyptian shore of the Mediterranean and Red Seas

Zirconia Nanoparticles Impact On Morphophysiological Data And Mineral Composition Of P. ostreatus

Comparison of non-destructive techniques and conventionally used spectrometric techniques for determination of elements in plant samples (coniferous leaves)

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