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On-The-Flight trapping, LIBS analysis and discrimination of single meteorite particles generated by laser ablation
Burgos-Palop, Clara; Fortes-Román, Francisco Javier
; Purohit Pacheco, Pablo; Delgado-Pérez, Tomás; Laserna-Vázquez, José Javier (Elsevier, 2024)
Results: Bulk meteorite samples were directly ablated within an ablation cell. From few micrograms of ablated matrix, we originated dry aerosols consisting of multielemental particles which were representative of the sample ... -
Analytical methodologies for the determination of cisplatin
Espinosa-Bosch, Maria; Ruiz-Sánchez, Antonio Jesús; Sánchez-Rojas, María Fuensanta; Bosch-Ojeda, Catalina (ScienceDirect, 2008-07-15)
cis-Diamminedichloroplatinum(II) (cisplatin) is a important chemotherapeutic drug for cancer treatment since 1978. Unfortunately, because of the severe side-effects like nephrotoxicity, ototoxicity, etc., they are administered ... -
Synthesis of all-aliphatic polyamide dendrimers based on a 3,3′-diaminopivalic acid scaffold.
Ruiz-Sánchez, Antonio Jesús; Mesa-Antúnez, Pablo; Barbero, Nekane; Collado-Martín, Daniel; Vida-Pol, Yolanda; Nájera-Albendín, Francisco; Pérez-de-Inestrosa-Villatoro, Ezequiel[et al.] (RSC publication, 2015-03-09)
Over recent years the importance of dendrimers has continued to increase in both life and material sciences. Multiple chemical strategies have been described toward the preparation of dendrimeric structures. Here, we present ... -
Role of minor determinants of amoxicillin in the diagnosis of immediate allergic reactions to amoxicillin.
Background: Skin testing of subjects with immediate hypersensitivity to amoxicillin is performed using major and minor determinants of benzylpenicillin plus amoxicillin. However, sensitivity is not optimal, and other ... -
Cation template assisted oligoethylene glycol desymmetrization by intramolecular Cannizzaro reaction of topologically remote aldehydes.
Ruiz-Sanchez, Antonio Jesus; Vida-Pol, Yolanda; Suau Suárez, Rafael; Pérez-de-Inestrosa-Villatoro, Ezequiel (Elsevier, 2008)
Oligoethylene glycol chains containing 2–5 ethylene glycol units, and possessing a benzyl alcohol and a benzoic acid end groups, can be quantitatively obtained by intramolecular Cannizzaro reaction of the corresponding ... -
Dendrimer-Modified Solid Supports: Nanostructured Materials with Potential Drug Allergy Diagnostic Applications
Ruiz-Sanchez, Antonio Jesus; Montañez-Vega, María Isabel; Nájera-Albendín, Francisco; Vida-Pol, Yolanda; Pérez-de-Inestrosa-Villatoro, Ezequiel (CURRENT MEDICINAL CHEMISTRY, 2012)
Complex functional materials consisting of bioactive molecules immobilized on solid supports present potential applications in biosensoring. Advances in the fabrication of these surface materials are of growing interest ... -
Recent Development in Optical Fiber Biosensors
Ruiz-Sanchez, Antonio Jesus; Sánchez-Rojas, María Fuensanta; Bosch-Ojeda, Catalina; Espinosa-Bosch, Maria (MDPI, 2007)
Remarkable developments can be seen in the field of optical fibre biosensors in the last decade. More sensors for specific analytes have been reported, novel sensing chemistries or transduction principles have been introduced, ... -
Detection of indigenous organic matter in rocks from the interpretation of carbon molecular forms in the laser-induced plasma
García-Gómez, Laura; Delgado-Pérez, Tomás; Fortes-Román, Francisco Javier; Cabalín-Robles, Luisa María; Laserna-Vázquez, José Javier (Elsevier, 2024-01-19)
Detection of indigenous organic matter (IOM) in rocks using molecular-laser-induced breakdown spectroscopy (LIBS) is reported. IOM refers to carbon-based compounds of variable complexity intimately associated with mineral ... -
Size-dependent synergetic seeding effects in the inspection of airborne dry nanoaerosols by LIBS.
Purohit, Pablo; Fortes-Román, Francisco Javier; Malegiannaki, I.; Jaime-Fernández, Lourdes; Laserna-Vázquez, José Javier (Elsevier, 2021-11-18)
In the present paper, confined dry Cu nanoaerosols of controlled particle size are inspected under a time-resolved LIBS scheme to explore the effect of laser-particulate matter interaction upon the detection capability of ... -
Atomization efficiency and photon yield in laser-induced breakdown spectroscopy analysis of single nanoparticles in an optical trap.
Purohit, Pablo; Fortes-Román, Francisco Javier; Laserna-Vázquez, José Javier (Elsevier, 2017-02-16)
Laser-induced breakdown spectroscopy (LIBS) was employed for investigating the influence of particle size on the dissociation efficiency and the absolute production of photons per mass unit of airborne solid graphite spheres ... -
Spectral identification in the attogram regime through laser-induced emission of single optically-trapped nanoparticles in air.
Purohit, Pablo; Fortes-Román, Francisco Javier; Laserna-Vázquez, José Javier (Wiley-VCH, 2017-09-06)
Current trends in nanoengineering are bringing along new structures of diverse chemical compositions that need to be meticulously defined in order to ensure their correct operation. Few methods can provide the sensitivity ... -
Sub-femtogram simultaneous elemental detection in multicomponent nanomatrices using laser-induced plasma emission spectroscopy within atmospheric pressure optical traps.
Purohit, Pablo; Fortes-Román, Francisco Javier; Laserna-Vázquez, José Javier (American Chemical Society, 2019-05-10)
Simultaneous detection of multiple constituents in the characterization of state-of-the-art nanomaterials is an elusive topic to a majority of the analytical techniques covering the field of nanotechnology. Optical catapulting ... -
Optical trapping as a morphologically selective tool for in-situ LIBS elemental characterization of single nanoparticles generated by laser ablation of bulk targets in air
Purohit, Pablo; Fortes-Román, Francisco Javier; Laserna-Vázquez, José Javier (American Chemical Society, 2021-01-05)
In the present work, authors introduce a shape-specific methodology for evaluating the full elemental composition of single micro and nanoparticles fabricated by laser ablation of bulk targets. For this purpose, bronze ... -
Discriminating organic carbon from endokarstic moonmilk-type deposits by LIBS. The case of a natural carbonated Martian analogue
Delgado-Pérez, Tomás; García-Gómez, Laura; Fortes-Román, Francisco Javier; Cabalín-Robles, Luisa María; Liñán-Baena, Cristina; Vadillo-Pérez, Iñaki; Jiménez-Gavilán, Pablo; Ojeda, Lucía; Laserna-Vázquez, José Javier[et al.] (Elsevier, 2024-01-06)
Moonmilk-type deposits exemplify carbonated Martian analogues existing in the subsurface of Earth, an endokarstic speleothem with a possible biochemical origin composed principally by carbonates, mainly huntite and dolomite. ... -
Differentiation of closely related mineral phases in Mars atmosphere using frequency domain laser-induced plasma acoustics.
Álvarez-Llamas, César; Purohit, Pablo; Moros-Portolés, Javier; Laserna-Vázquez, José Javier (Elsevier, 2022-08-16)
The combination of data yielded by laser-induced breakdown spectroscopy (LIBS) and laser-induced plasma acoustics (LIPAc) is a topic of many prospective applications as these coexisting phenomena can cover different sample ... -
sp-ICP-MS and HR–CS–GFAAS as useful available techniques for the size characterization and speciation of ionic and nanoparticular zinc in cosmetic and pharmaceutical samples
García-Mesa, Juan Carlos; Morales-Benítez, Irene; Montoro-Leal, Pablo; López-Guerrero, María del Mar; Vereda-Alonso, Elisa Isabel (Elsevier, 2023-10-29)
The use of zinc oxide nanoparticles (ZnO NPs) in cosmetic and pharmaceutical industry has been increased in recent years due to their good properties as solar radiation filters and antibacterial agent. According to the ... -
Ultrafast Laser Excitation Improves LIBS Performance for the Analysis of Optically Trapped Single Nanoparticles Owing to Characteristic Interaction Mechanisms
Burgos-Palop, Clara; Purohit, Pablo; Fortes-Román, Francisco Javier; Laserna-Vázquez, José Javier (ACS, 2023-09-20)
Owing to the exceedingly small mass involved, complete elemental characterization of single nanoparticles demands a highly precise control of signal background and noise sources. LIBS has demonstrated remarkable merits for ... -
Magnetic graphene molecularly imprinted polypyrrole polymer (MGO@MIPy) for electrochemical sensing of malondialdehyde in serum samples
Montoro-Leal, Pablo; Zougagh, Mohammed; Sánchez-Ruiz, Antonio; Rios, Angel; Vereda-Alonso, Elisa Isabel (Elsevier, 2022-03-12)
A modified screen-printed carbon electrode (SPCE) has been designed and fabricated for the determination of malondialdehyde (MDA), an important biomarker of oxidative stress. Magnetic graphene oxide (MGO) was synthesized ... -
The sound of geological targets on Mars from the absolute intensity of laser-induced sparks shock waves
Álvarez-Llamas, César; Laserna-Vázquez, José Javier; Moros-Portolés, Javier; Purohit, Pablo; García-Gómez, Laura; Angel, S.M.; Bernardi, P.; Bousquet, B.; Cadu, A.; Dauson, E.; Forni, O.; Fouchet, T.; Gasnault, O.; Jacob, X.; Lacombe, G.; Lanza, N.L.; Larmat, C.; Lasue, J.; Lorenz, R.D.; Meslin, P. -Y.; Mimoun, D.; Montmessin, F.; Murdoch, N.; Ollila, A.M.; Pilleri, P.; Randazzo, N.; Reyes-Newell, A.L.; Schröder, S.; Stott, A.; Cate, J. Ten; Udry, A.; Vogt, D.; Clegg, S.; Cousin, A.; Maurice, S.; Wiens, R.C.[et al.] (Elsevier, 2023)
Inspection of geological material is one of the main goals of the Perseverance rover during its journey across the landscape of the Jezero crater in Mars. NASA's rover integrates SuperCam, an instrument capable of performing ... -
The crucial role of molecular emissions on LIBS differentiation of organic compounds of interest in astrobiology under a Mars simulated atmosphere
Delgado-Pérez, Tomás; Fortes-Román, Francisco Javier; Cabalín-Robles, Luisa María; Laserna-Vázquez, José Javier (Elsevier, 2022-12-04)
In this work, the influence of Martian atmosphere on the recombination mechanisms in laser-induced plasmas of organic compounds of interest in astrobiology has been closely examined. The proposed LIBS methodology reveals ...