Relevant bibliographies by topics / Elemental-tagged

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Academic literature on the topic 'Elemental-tagged'

Author: Grafiati
Published: 25 January 2025

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Journal articles on the topic "Elemental-tagged"

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Rogov, Yury, Vladislav Kremenets, Mikhail Sapozhnikov, and Motswakae Sebele. "Application of Tagged Neutron Method for Detecting Diamonds in Kimberlite." Instruments 4, no. 4 (November 2, 2020): 33. http://dx.doi.org/10.3390/instruments4040033.

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The results of testing a prototype of a separator for detecting diamonds in kimberlite ore using tagged neutron method are discussed. Kimberlite ore was irradiated with fast tagged neutrons with an energy of 14.1 MeV. The elemental content of the tray with kimberlite ore was determined. The criterion for detecting diamond was the presence of excess carbon concentration in a certain region of a kimberlite sample.
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JOSEPH, D., S. D. MAIND, A. SAXENA, and R. K. CHOUDHURY. "CHARACTERIZATION OF OFFSET PRINTING INK TAGGED WITH RARE-EARTH TAGGANTS BY X-RAY EMISSION TECHNIQUES." International Journal of PIXE 17, no. 03n04 (January 2007): 183–91. http://dx.doi.org/10.1142/s0129083507001241.

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Proton Induced X-ray Emission (PIXE) and Energy Dispersive X-ray Fluorescence (EDXRF) techniques have been used for elemental characterization of offset printing ink tagged with rare-earth taggants. The offset printing ink was tagged with rare-earth ( La , Pr , Nd , Sm , Eu and Gd ) thenoyltrifluoroacetonate chelates at about 1000-ppm level for each element separately. Small aliquots (approximately 20 mg) of tagged inks were coated on paper supports in the form of small circles having diameter 10–15 mm each and then analyzed. In the case of PIXE, a proton beam of energy 4 MeV and in the case of EDXRF a radioisotope source of 241 Am (100 mCi ) was used to excite the samples. The PIXE analysis showed well-resolved rare-earth L X-rays and EDXRF analysis showed the K X-rays of rare earths. Satisfactory results to identify and quantify the taggants were achieved.
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Pecl, Gretta T., Sean R. Tracey, Leonid Danyushevsky, Simon Wotherspoon, and Natalie A. Moltschaniwskyj. "Elemental fingerprints of southern calamary (Sepioteuthis australis) reveal local recruitment sources and allow assessment of the importance of closed areas." Canadian Journal of Fisheries and Aquatic Sciences 68, no. 8 (August 2011): 1351–60. http://dx.doi.org/10.1139/f2011-059.

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Movement of individuals over a range of temporal and spatial scales is a critical process in determining the structure and size of populations. For most marine species, a substantial amount of movement that is responsible for connecting subpopulations occurs when individuals are too small and numerous to be tagged using conventional methods. Using the elemental fingerprints of the statoliths of the squid Sepioteuthis australis and a robust machine learning classification technique, this study determined that newly hatched squid had elemental signatures that exhibited sufficient spatial variation to act as natural tags for natal origin and that elemental signatures can be used to allocate adult squid back to their natal site. Between 55% and 84% of the adult squid caught throughout the east and southeast of Tasmania, Australia, were classified back to an area that is closed to commercial fishing over much of the peak spawning period, and this was the only location with substantive evidence of natal recruitment. Although many studies have demonstrated the potential of this approach to discern connectivity between population units, few studies have successfully done so by then examining the trace element profiles of adults in addition to those of hatchlings as we have demonstrated with S. australis.
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Pröfrock, Daniel. "Progress and possible applications of miniaturised separation techniques and elemental mass spectrometry for quantitative, heteroatom-tagged proteomics." Analytical and Bioanalytical Chemistry 398, no. 6 (June 28, 2010): 2383–401. http://dx.doi.org/10.1007/s00216-010-3901-7.

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Sokaras, D., and Et al. "The new external ion-beam station at the Demokritos Tandem 5.5 MV accelerator: A unique analytical tool in the fields of cultural heritage and environmental science." HNPS Proceedings 16 (January 1, 2020): 209. http://dx.doi.org/10.12681/hnps.2599.

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At the 5.5 MV Tandem accelerator of the Institute of Nuclear Physics of NCSR Demokritos, Athens, a new external ion-beam set-up has been recently installed. The aim of this development was to establish a complete experimental set-up integrating the analytical capabilities of the PIXE, RBS and PIGE techniques, so that a complete elemental and near surface structural characterization of samples/artifacts to be attained in an almost non-destructive way and without any limitation concerning their size or conductive state. A careful 3D mechanical drawing optimized the experimental parameters of the set-up so that the special requirements imposed for optimum performance of the aforementioned techniques to be fulfilled.The first applications were focused in the quality control of tagged materials (technologically authentic replicas of attic ceramics and in coatings used by conservators for paintings).
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D.F., Odeyemi, Oso J. A., Oyejobi S. A., and Asawe O. E. "Comparative Study of the Nutritive and Elemental Composition of Smoked and Raw Clarias gariepinus from Three Selected Fish Farms in Ado Ekiti, Ekiti State, Nigeria." Asian Journal of Fisheries and Aquatic Research 26, no. 11 (November 8, 2024): 121–28. http://dx.doi.org/10.9734/ajfar/2024/v26i11835.

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Clarias gariepinus is of economic importance in aquaculture due to its rapid growth, omnivorous diet, and potential as food source. It has been widely cultured and dispensed both in raw and smoked forms in various regions to meet the demand for fish protein This study assessed and compared the nutritional quality and elemental composition of smoked and raw samples of Clarias gariepinus. A total of twelve fish samples were analysed, six raw samples and six smoked samples with two fishes sampled from each farm tagged A, B and C. The Proximate and elemental analysis were done using standard procedures. The result of the study showed that moisture content measured in the raw Clarias gariepinus which ranged between (73.074 ± 1.59) % and (71.52 ± 1.83) %. was higher than that of the smoked fish ranging from (26.69±0.03) % to (32.21± 0.02) %. The protein content of smoked fish ranged (43.2±0.02) % to (46.78±0.01) while that of raw fish was between (20.52 ± 1.12) % and (22.15 ± 0.43) %. Similarly, the crude fat, ash, carbohydrate, and fibre content were higher in the smoked fish than raw catfish samples. The elemental composition of both smoked and raw catfish were within the permissible limit of World Health Organization. Arsenic was not detected in the muscle of the raw fish, while cadmium, chromium, lead and magnesium were present in values within WHO permissible limit and similar results was observed for the smoked fish samples. The result of this study presents the possibility of smoked catfish being more nutritious than the raw samples aside from the fact that it has more shelf life than raw fish. Also, both smoked and raw samples of the fish are safe as the values of heavy metal observed were all within the permissible limit of WHO.
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Albalawi, Ahmed H., Saud M. Almutairi, Ateyatallah Aljuhani, Pramod K. Sahu, Praveen K. Sahu, Nadjet Rezki, Mohamed R. Aouad, and Mouslim Messali. "Novel Fluorinated Imidazolium Ionic Liquids: Eco-friendly, Facile and Efficient Construction, Characterization, in vitro Anticancer Activity, Toxicity and in silico Analysis." Asian Journal of Chemistry 32, no. 3 (January 31, 2020): 690–96. http://dx.doi.org/10.14233/ajchem.2020.22491.

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An efficient and facile synthesis of novel fluorinated imidazolium-tagged ionic liquids under microwave irradiation is described. Novel prepared ionic liquids was identified and confirmed by spectroscopic and elemental analysis. Synthesized ionic liquids (1-12) was explored for their antiproliferative inhibition potency against three selected human cancer cell lines (MCF-7, HepG-2 and CACO2). Screening results have revealed that some tested ionic liquids exhibited promising activity compared with standard drugs, especially compounds 5 and 6 which consistently produced low IC50 values. Preliminary structure activity relationship (SAR) studies have been performed to identify the relation between molecular structure and activity. in silico Analysis of ionic liquids was carried out based on ADME, Lipinski rule, drug likeness, toxicity profiles and other physico-chemical properties. All compounds were safe in toxicity profile and computed LD50 values were in accepted range (2.55-2.89 mol/kg). in silico Results have shown that Lipinski rule of five was in accept range, except compound 1 and 2.
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Saha, S. "Synthesis of New Mn(II), Co(II) and Cu(II) Complexes Grabbed in Novel Functionalized Ionic Liquid Tagged Schiff base: Physico-chemical Properties and Antibacterial Applications." Journal of Scientific Research 16, no. 1 (January 1, 2024): 301–10. http://dx.doi.org/10.3329/jsr.v16i1.66367.

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An ionic liquid tagged schiff base, [1-{2-(2-hydroxybenzylideneamino)ethyl}-3-methylimidazolium]PF6 was synthesized from a functionalized ionic liquid (FIL) 2-aminoethyl-3-methylimidazolium hexafluorophosphate, [2-aemim]PF6 and salicylaldehyde without using any organic solvent. The Schiff base was used as a ligand to trap Mn(II), Co(II), Cu(II) ions from its corresponding metal acetates and to form the new transition metal complexes. The synthesized Mn(II), Co(II), Cu(II) complexes along with the Schiff base were characterized by ESI-MS, PXRD, UV-Visible, FT-IR, 1H NMR spectroscopic and analytical (elemental analysis and magnetic susceptibility measurements) methods. Based on these spectral analysis data tetra coordinated geometries were assigned for the newly synthesized metal(II) complexes. Antibacterial sensitivity of the Schiff base and the Mn(II), Co(II), Cu(II) complexes were evaluated against gram positive (Staphylococcus aureus) and gram negative (Escherichia coli) bacteria to assess their minimum zone of inhibition.
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Yang, Bin, Yuan Zhang, Beibei Chen, Man He, and Bin Hu. "Elemental-tagged immunoassay combined with inductively coupled plasma mass spectrometry for the detection of tumor cells using a lead sulfide nanoparticle label." Talanta 167 (May 2017): 499–505. http://dx.doi.org/10.1016/j.talanta.2017.02.063.

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Sanz-Medel, Alfredo, Maria Luisa Fernández-Sánchez, Héctor González Iglesias, and José Blas López-Sastre. "Speciation and isotope pattern deconvolution for inductively coupled plasma-mass spectrometry quantitative studies of mineral metabolism and supplementation." Pure and Applied Chemistry 82, no. 2 (January 31, 2010): 447–60. http://dx.doi.org/10.1351/pac-con-09-05-07.

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Human breast milk can be considered as “ideal” food for the correct development of newborn babies and, for those that are not breast-fed, formula milk has to be used instead. Ideally, the composition of such formula milk preparations should closely resemble that of maternal human milk. Considerable differences between both in the total content of trace elements such as Fe, Cu, Se, Zn, and I and in their chemical form in both milk types have been demonstrated. Speciation analysis in milk whey was carried out first by high-performance liquid chromatography (HPLC) with inductively coupled plasma-mass spectrometry (ICP-MS) elemental detection and showed that the observed element distribution patterns were very different in the investigated human and formula milks. Using complementary molecular mass techniques (i.e., MALDI-TOF), the identity and chemical characterization of some biomolecules (e.g., protein) with which metals are associated in each fraction was also established (by a typical heteroatom-tagged proteomics protocol). Attempts to assess the nutritional value of elemental supplements in formula milk with the aid of quantitative chemical speciation, using stable isotopes in combination with ICP-MS and isotope pattern deconvolution (IPD), proved to be successful to differentiate and quantify endogenous (natural) and exogenous (supplemented) Se or Fe trace levels. In particular, the application of such ICP-MS based techniques to study Se bioavailability from formula milk and metabolism in Se-supplemented lactating rats is discussed in detail. Quantification of selenospecies of endogenous (natural) and exogenous (supplement) Se in rat’s urine is demonstrated and relevant information on possible Se biotransformations and its final catabolism from such results is discussed.
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Dissertations / Theses on the topic "Elemental-tagged"

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Toska, Antonia. "Development of a new analytical approach for the diagnosis of Lyme disease." Electronic Thesis or Diss., Pau, 2024. http://www.theses.fr/2024PAUU3081.

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Le diagnostic de la maladie de Lyme causée par des bactéries Borrelia transmises par les tiques est difficile en raison de leur faible concentration dans les échantillons cliniques, ainsi que de l'existence de plusieurs espèces pathogènes. Les diagnostics actuels de la maladie de Lyme, principalement basés sur des approches sérologiques indirectes, sont insuffisants à cause d'un nombre trop important de faux positifs et faux négatifs. L'objectif de ce travail de doctorat fut de développer une preuve de concept méthodologique pour la détection ultra-sensible et hautement spécifique de Borrelia burgdorferi en utilisant des nanoparticules fonctionnalisées ainsi que des analyses poussées en spectrométrie de masse à plasma inductif (ICP-MS). La synthèse et la fonctionnalisation des nanoparticules ont été réalisées et optimisées à l'aide de techniques d'analyse de surface comme la spectroscopie XPS et la spectroscopie Auger. Plusieurs voies analytiques ont été suivies, basées sur l'utilisation de différents types de particules combinées à un panel de conditions d'expérience en ICP-MS permettant une spécificité et une sensibilité significative de bactéries Borrelia burgdorferi à partir de solutions tampons ou d'échantillons de sang artificiel utilisés comme matrices modèles
The diagnosis of Lyme disease, caused by tick-borne Borrelia bacteria, is difficult due to their low concentration in clinical samples, as well as the existence of several pathogenic species. The recommended diagnostic method is an indirect serological approach, which is associated with the risk of both false-positive and false-negative results. The aim of this PhD work was to develop a methodological proof-of-concept for the ultra-sensitive and highly specific detection of Borrelia burgdorferi using functionalized nanoparticles and inductively coupled plasma mass spectrometry (ICP-MS) analysis. Nanoparticle synthesis and functionalization were carried out and optimized using surface analysis techniques such as XPS and Auger spectroscopy. Several analytical routes were followed, based on the use of different particle types combined with a panel of ICP-MS experimental conditions enabling significant specificity and sensitivity for Borrelia burgdorferi from buffer solutions or artificial blood samples used as model blood matrix
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Conference papers on the topic "Elemental-tagged"

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Lunardon, M., G. Nebbia, S. Pesente, G. Viesti, M. Barbui, M. Cinausero, E. Fioretto, et al. "Performances of a large area scanning system for elemental analysis with tagged 14 MeV neutron beams." In Proceedings of the International Workshop. WORLD SCIENTIFIC, 2003. http://dx.doi.org/10.1142/9789812704245_0016.

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Nebbia, G. "Performances of a large area scanning system for elemental analysis with tagged 14 MeV neutron beams." In APPLICATION OF ACCELERATORS IN RESEARCH AND INDUSTRY: 17TH International Conference on the Application of Accelerators in Research and Industry. AIP, 2003. http://dx.doi.org/10.1063/1.1619765.

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