{"id":3824,"date":"2023-02-20T14:30:53","date_gmt":"2023-02-20T12:30:53","guid":{"rendered":"https:\/\/marte.i3a.es\/?p=3824"},"modified":"2023-03-21T17:10:12","modified_gmt":"2023-03-21T15:10:12","slug":"ana-rua-ibarz","status":"publish","type":"post","link":"https:\/\/marte.i3a.es\/es\/ana-rua-ibarz\/","title":{"rendered":"Ana Rua Ibarz"},"content":{"rendered":"
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    Investigadores<\/a><\/h3>\n

    Ana Rua Ibarz<\/strong><\/h1>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/li>\n\t\t<\/ul>\t\t\t\t
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      Tel\u00e9fono:<\/strong> +34 876 553 510<\/p>\n

      Email:<\/strong> arua@unizar.es<\/a><\/p>\n

      Direcci\u00f3n:<\/strong> c\/Pedro Cerbuna 12, Universidad de Zaragoza, Facultad de Ciencias, Departamento de Qu\u00edmica Anal\u00edtica \u2013 Zaragoza (Espa\u00f1a)<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>\n\n

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      Ana Mar\u00eda Rua Ibarz obtuvo su Licenciatura y M\u00e1ster en Qu\u00edmica por la Universidad de Zaragoza (Zaragoza, Espa\u00f1a). Llev\u00f3 a cabo su investigaci\u00f3n de doctorado en la Universidad de Gante (Gante, B\u00e9lgica) enfocado en el desarrollo de m\u00e9todos y aplicaciones de an\u00e1lisis isot\u00f3pico de alta precisi\u00f3n de Hg utilizando generaci\u00f3n de vapor fr\u00edo acoplado a espectrometr\u00eda de masas-ICP multi-colector (MC-ICP-MS), y obtuvo su T\u00edtulo de Doctor en 2018. En mayo de 2018, tras un proceso de selecci\u00f3n competitivo entre investigadores internacionales, Ana obtuvo una posici\u00f3n postdoctoral en el Instituto Flamenco de Investigaci\u00f3n Tecnol\u00f3gica (VITO, Mol, B\u00e9lgica), para llevar a cabo un proyecto de investigaci\u00f3n dedicado a explorar nuevas estrategias anal\u00edticas para la caracterizaci\u00f3n de nanoparticulas. En marzo de 2020, comenz\u00f3 a trabajar como investigadora postdoctoral en la Universidad de Gante, en un proyecto en colaboraci\u00f3n con TotalEnergies (Feluy, B\u00e9lgica). El proyecto estaba basado en el desarrollo de m\u00e9todos de an\u00e1lisis cuantitativo tanto elemental como resuelto espacialmente de muestras relevantes en petroqu\u00edmica, como catalizadores, pol\u00edmeros y rocas mediante ablaci\u00f3n laser ICP-MS. Desde noviembre de 2022, Ana esta trabajando como investigadora postdoctoral en la Universidad de Zaragoza (Espa\u00f1a) tras ser galardonada con el Programa de Becas Internacionales Marie Sklodowska-Curie (MSCA)-COFUND para la Atracci\u00f3n de Talento al Campus de Excelencia Internacional Campus Iberus. Su proyecto de investigaci\u00f3n se titula \u201cExplorando nuevas rutas para la caracterizaci\u00f3n de nanomateriales y micropl\u00e1sticos mediante espectroscopia de plasma\u201d.<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>

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      <\/a>
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      18 registros<\/span> «<\/a> ‹<\/a> 1 de 4 ›<\/a> »<\/a> <\/div><\/div>

      2025<\/h3>

      Rua-Ibarz, Ana; Nakadi, Fl\u00e1vio V.; Bolea-Fernandez, Eduardo; Bazo, Antonio; Battistella, Beatrice; Matiushkina, Anna; Resch-Genger, Ute; Abad, Carlos; Resano, Mart\u00edn<\/p>

      Discrete Entity Analysis via Microwave-Induced Nitrogen Plasma\u2013Mass Spectrometry in Single-Event Mode<\/a> Art\u00edculo de revista<\/span> <\/p>

      En: <\/span>Analytical Chemistry, <\/span>vol. 0, <\/span>no 0, <\/span>pp. null, <\/span>2025<\/span>, (PMID: 41084806)<\/span>.<\/p>

      Resumen<\/a><\/span> | Enlaces<\/a><\/span> | BibTeX<\/a><\/span><\/p>

      @article{,
      \r\ntitle = {Discrete Entity Analysis via Microwave-Induced Nitrogen Plasma\u2013Mass Spectrometry in Single-Event Mode},
      \r\nauthor = {Ana Rua-Ibarz and Fl\u00e1vio V. Nakadi and Eduardo Bolea-Fernandez and Antonio Bazo and Beatrice Battistella and Anna Matiushkina and Ute Resch-Genger and Carlos Abad and Mart\u00edn Resano},
      \r\nurl = {https:\/\/doi.org\/10.1021\/acs.analchem.5c04341},
      \r\ndoi = {10.1021\/acs.analchem.5c04341},
      \r\nyear  = {2025},
      \r\ndate = {2025-10-14},
      \r\nurldate = {2025-10-14},
      \r\njournal = {Analytical Chemistry},
      \r\nvolume = {0},
      \r\nnumber = {0},
      \r\npages = {null},
      \r\nabstract = {In this work, single-event microwave-induced nitrogen plasma\u2013mass spectrometry (single-event MINP-MS) was evaluated for the first time for the analysis of discrete entities such as nanoparticles, biological cells, and microplastics. Nitrogen (N2) effectively overcomes Ar-based polyatomic interferences, enabling (ultra)trace element determination of Fe and Se using their most abundant isotopes, 56Fe (91.66%) and 80Se (49.82%). Iron oxide nanoparticles (Fe2O3 NPs) ranging from 20 to 70 nm were accurately characterized, with excellent agreement with established sizing techniques, such as transmission electron microscopy (TEM) and dynamic light scattering (DLS). A limit of detection (LoD) of 8.6 ag for Fe\u2500equivalent to an LoDsize of 19 nm for Fe2O3\u2500was achieved, which is significantly lower than recent values reported for high-end quadrupole-based ICP-MS. Selenium nanoparticles (SeNPs) of 150 and 250 nm were also accurately characterized, without the N2-based plasma experiencing issues handling relatively large metallic NPs (linearity, R2 = 0.9994). Se-enriched yeast cells (SELM-1 certified reference material) were successfully analyzed via single-cell MINP-MS using external calibration based on SeNPs and a transport efficiency-independent approach. In addition, 2\u20133 \u03bcm polystyrene (PS) and polytetrafluoroethylene (PTFE) were accurately sized by monitoring 12C+, confirming the method\u2019s suitability for handling micrometer-sized polymeric materials (microplastics). The average duration of individual events (680 \u00b1 160 \u03bcs) suggests that the digestion of individual entities in N2-based plasmas is comparable to that in Ar-based plasmas. These results open new avenues for this instrumentation as an alternative to ICP ionization sources, also in the context of discrete entity analysis.},
      \r\nnote = {PMID: 41084806},
      \r\nkeywords = {},
      \r\npubstate = {published},
      \r\ntppubtype = {article}
      \r\n}
      \r\n<\/pre><\/div>
      Cerrar<\/a><\/p><\/div>
      In this work, single-event microwave-induced nitrogen plasma\u2013mass spectrometry (single-event MINP-MS) was evaluated for the first time for the analysis of discrete entities such as nanoparticles, biological cells, and microplastics. Nitrogen (N2) effectively overcomes Ar-based polyatomic interferences, enabling (ultra)trace element determination of Fe and Se using their most abundant isotopes, 56Fe (91.66%) and 80Se (49.82%). Iron oxide nanoparticles (Fe2O3 NPs) ranging from 20 to 70 nm were accurately characterized, with excellent agreement with established sizing techniques, such as transmission electron microscopy (TEM) and dynamic light scattering (DLS). A limit of detection (LoD) of 8.6 ag for Fe\u2500equivalent to an LoDsize of 19 nm for Fe2O3\u2500was achieved, which is significantly lower than recent values reported for high-end quadrupole-based ICP-MS. Selenium nanoparticles (SeNPs) of 150 and 250 nm were also accurately characterized, without the N2-based plasma experiencing issues handling relatively large metallic NPs (linearity, R2 = 0.9994). Se-enriched yeast cells (SELM-1 certified reference material) were successfully analyzed via single-cell MINP-MS using external calibration based on SeNPs and a transport efficiency-independent approach. In addition, 2\u20133 \u03bcm polystyrene (PS) and polytetrafluoroethylene (PTFE) were accurately sized by monitoring 12C+, confirming the method\u2019s suitability for handling micrometer-sized polymeric materials (microplastics). The average duration of individual events (680 \u00b1 160 \u03bcs) suggests that the digestion of individual entities in N2-based plasmas is comparable to that in Ar-based plasmas. These results open new avenues for this instrumentation as an alternative to ICP ionization sources, also in the context of discrete entity analysis.<\/div>
      Cerrar<\/a><\/p><\/div>