Showing 21 - 40 results of 45 for search '"mass spectrometry"', query time: 0.06s Refine Results
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    Combined use of gas chromatography and HPLC-ESI-Q-TOF to assess the culinary uses of archaeological Santa María style ceramic vessels from El Colorado (Catamarca, Argentina) by Lantos, Irene Johanna, Careaga Quiroga, Valeria Pilar, Palamarczuk, Valeria, Aversente, Yanina, Bonifazi, Evelyn Lucia, Petrucci, Natalia Silvana, Maier, Marta Silvia

    Published 2020
    “…The combined use of gas chromatography (GC-FID), gas chromatography–mass spectrometry (GC-MS), and high-performance liquid chromatography coupled to electrospray ionization and quadrupole time-of-flight mass spectrometry (HPLC-ESI-Q-TOF) to study residual lipids from Santa María style vessels provided valuable information on their ancient use. …”
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    info:eu-repo/semantics/article
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    Gibberellin A₃ levels in bark and flower buds of peach (Prunus persica L.) before leaf fall by Soriano, María Dolores, Bottini, Rubén

    Published 1992
    “…Gibberellin A₃ was the only gibberellin characterized by gas chromatography–mass spectrometry (full spectrum) in cambial tissue from both, free acid ethyl acetate soluble extract (free gibberellins), and free acid ethyl acetate after enzymatic hydrolysis of the water-soluble extract (glucosyl conjugated gibberellins). …”
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    Campo Laborde: A Late Pleistocene giant ground sloth kill and butchering site in the Pampas by Politis, Gustavo Gabriel, Messineo, Pablo Geronimo, Stafford, Thomas W., Lindsey, Emily L.

    Published 2019
    “…However, recent excavations and more advanced accelerator mass spectrometry radiocarbon dating at Campo Laborde site in the Argentinian Pampas challenge the Holocene survival of Pleistocene megamammals and provide original and high-quality information documenting direct human impact on the Pleistocene fauna. …”
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    info:eu-repo/semantics/article
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    Marine reservoir effect values from shell-middens of san matías gulf, northern patagonia (Argentina): A 5000-yr record by Favier Dubois, Cristian Mario, Jull, A. J. Timothy

    Published 2018
    “…They were determined by accelerator mass spectrometry (AMS) measurements on marine shell (Mytilidae) and charcoal samples (burned, short-lived plants) derived from a common stratigraphic unit. …”
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    Essential oil of Tagetes filifolia against the flour beetle Tribolium castaneum and its relation to acetylcholinesterase activity and lipid peroxidation by Olmedo, R., Herrera, J.M., Lucini, E.I., Zunino, M.P., Pizzolitto, R.P., Dambolena, J.S., Zygadlo, J.A.

    Published 2015
    “…The essential oils were analyzed by gas chromatography–mass spectrometry. The essential oil and (E)-anethole were the most toxic at 24 h against adult insects (CL50= 2.4 y 2.6 µL/mL water, respectively). …”
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    Evaluation of degradation of organophosphate insecticide residues in stored corn (Zea mays L.) grains by Strada, J., Bruno, C., Nassetta, M. M., Balzarini, M. G., Conles, M. Y., D., Rojas, Ricca, A. P., Cristos, D., Martínez, María José, Conles, M. Y., Martínez, María José

    Published 2021
    “…The samples were processed and extracted using the QuEChERS technique and  the pesticide residues were identified and  quantified by gas chromatography-mass spectrometry. Deltamethrin residues were not  analized. …”
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    Effect of cumin seed (Cuminum cyminum L.) essential oil from Catamarca, Argentina, on the stored maize pests Sitophilus zeamais and Fusarium verticillioides by Quiroga, Viviana del Valle, Pizzolitto, Romina, Zunino, María Paula, Dambolena, José Sebatian, Herrera, Jimena, Zygadlo, Julio, Pizzolitto, Romina

    Published 2023
    “…The essential oil composition of Cuminum cyminum L. from Catamarca province, Argentina, and its insecticide and antifungal activities were studied, with the major constituents detected by gas chromatography (GC) and gas chromatography-mass spectrometry (GC/MS) being: cuminaldehyde (20.58 %), ϒ-terpinene (20.43 %), p-cymene (17.35 %) and β-pinene (13.75 %). …”
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  9. 29

    Otoliths as indicators for fish behaviour and procurement strategies of hunter-gatherers in north Patagonia by Avigliano, Esteban, Martinez, Gustavo Adolfo, Stoessel, Luciana, Méndez, Ana, Bordel, Nerea, Pisonero, Jorge, Volpedo, Alejandra

    Published 2020
    “…To assess whether exposure to fire significantly affects the otolith Sr:Ca and Ba:Ca ratios, burned and unburned modern lapilli otoliths have been analyzed by Laser Ablation Inductively Coupled Plasma Mass Spectrometry and no statistically significant differences were found between the results of both treatments. …”
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    Compositional data supports decentralized model of production and circulation of artifacts in the pre-Columbian south-central Andes by Lazzari, Marisa, Pereyra Domingorena, Lucas, Stoner, Wesley D., Scattolin, Maria Cristina, Korstanje, María Alejandra, Glascock, Michael

    Published 2017
    “…To improve understanding of ancient exchange practices and their potential role in structuring alliances, we examine material exchanges in northwest Argentina (part of the south-central Andes) during 400 BC to AD 1000 (part of the regional Formative Period), with a multianalytical approach (petrography, instrumental neutron activation analysis, laser ablation inductively coupled plasma mass spectrometry) to artifacts previously studied separately. …”
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    Insecticidal and antifungal effects of lemon, orange, and grapefruit peel essential oils from Argentina by Achimón, Fernanda, Leal, Laura E., Pizzolitto, Romina P., Brito, Vanessa D., Alarcón, Rosana, Omarini, Alejandra B., Zygadlo, Julio A., Achimón, Fernanda

    Published 2022
    “…The chemical profile of EOs was determined by Gas Chromatography-Mass Spectrometry (GC/MS); the insecticidal activity was studied through contact and fumigant assays; the antifungal activity was evaluated with fumigant tests. …”
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    A Perspective of Integral Analysis for the Study of Stone Tools: Cases of Bifaces of Quebrada Seca 3 Site (Antofagasta de la Sierra, Catamarca) by Hocsman, Salomón, Babot, Pilar

    Published 2020
    “…These artifacts are analyzed from a perspective that integrates multiple complementary and equivalent lines of evidence, namely: detailed technotypological study, multiple microfossil analysis by polarization microscopy, lipid analysis by Gas Chromatography-Mass Spectrometry (GC-MS), analysis of adhesives used in the hafting through Fourier Transform Infrared Spectrometry (FTIR), and contextual information from the layers considered.…”
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    info:eu-repo/semantics/article
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    Burger´s medicinal chemistry drug discovery /

    eBook