Browsing by Author "Bresolí Obach, Roger"

Now showing items 1-14 of 14

    • Antimicrobial efficacy of solar disinfection in cellulose fiber supported photoactive materials 

      Langerreiter, Daniel; Solin, Katariina; Jordà Redondo, Mireia; Bresolí Obach, Roger; Fliri, Lukas; Nonell, Santi; Kostiainen, Mauri A.; Anaya-Plaza, Eduardo (Materials Today Communications. 2024;38:107858, 2023-12-29)
      According to the World Health Organization, antimicrobial resistance is one of the emerging threats to global health. Therefore, the development of new strategies to mitigate resistant bacterial strains ...

    • Cluster and Kill: the Use of Clustering-Triggered Emission Materials for Singlet Oxygen Photosensitization in Antimicrobial Photodynamic Therapy 

      Dueñas Parro, Karina; Gulias, Oscar; Agut Bonsfills, Montserrat; de la Cruz-Martínez, Felipe; Lara Sánchez, Agustín; Castro Osma, José A.; García Reyes, Juan F.; Sánchez Ruiz, Antonio; Martín, Cristina; Nonell, Santi; Bresolí Obach, Roger (Advanced Optical Materials 2025, 13 (3), 2402179, 2025-01-24)
      The emergence of light-based technologies is revolutionizing modern medicine and healthcare by enabling precise disease diagnosis and treatment through various luminescent agents and imaging techniques. ...

    • Gaining control on optical force by the stimulated-emission resonance effect 

      Kudo, Tetsuhiro; Louis, Boris; Sotome, Hikaru; Chen, Jui-Kai; Ito, Syoji; Miyasaka, Hiroshi; Masuhara, Hiroshi; Hofkens, Johan; Bresolí Obach, Roger (Chemical Space 2023, 14(37), 10087, 2023-10)
      The resonance between an electronic transition of a micro/nanoscale object and an incident photon flux can modify the radiation force exerted on that object, especially at an interface. It has been ...

    • High photostability in nonconventional coumarins with far-red/NIR emission through azetidinyl substitution 

      Nonell, Santi; Bresolí Obach, Roger; Gandioso, Albert; Palau Requena, Marta; Galindo Muñoz, Alex; Rovira, Anna; Bosch, Manel; Marchán Sancho, Vicente (Journal of Organic Chemistry. Vol.83, n.19 (2018), p.11519-11531, 2018-08)
      Replacement of electron-donating N,N-dialkyl groups with three- or four-membered cyclic amines (e.g., aziridine and azetidine, respectively) has been described as a promising approach to improve some ...

    • NanoFN10: A High-Contrast Turn-On Fluorescence Nanoprobe for Multiphoton Singlet Oxygen Imaging 

      Zanocco, Renzo; Bresolí Obach, Roger; Nájera, Francisco; Pérez de Inestrosa, Ezequiel; Zanocco, Antonio; Lemp, Else; Nonell, Santi (Sensors 2023, 23(10), 4603, 2023-05)
      An “off-on” fluorescent nanoprobe for near-infrared multiphoton imaging of singlet oxygen has been developed. The nanoprobe comprises a naphthoxazole fluorescent unit and a singlet-oxygen-sensitive furan ...

    • On the mechanism of Candida tropicalis biofilm reduction by the combined action of naturally-occurring anthraquinones and blue light 

      Nonell, Santi; Bresolí Obach, Roger; Agut Bonsfills, Montserrat; Marioni, Juliana; Comini, Laura R.; Cabrera, José L.; Paraje, María G.; Núñez Montoya, Susana C. (PLoS ONE. Vol.12, n.7 (2017), e0181517, 2017-07)
      The photoprocesses involved in the photo-induced Candida tropicalis biofilm reduction by two natural anthraquinones (AQs), rubiadin (1) and rubiadin-1-methyl ether (2), were examined. Production of ...

    • Optical control of pain in vivo with a photoactive mGlu5 receptor negative allosteric modulator 

      Nonell, Santi; Bresolí Obach, Roger; Font Inglès, Joan; López-Cano, Marc; Notartomaso, Serena; Scarselli, Pamela; Di Pietro, Paola; Battaglia, Giuseppe; Malhaire, Fanny; Rovira, Xavier; Catena, Juanlo; Giraldo, Jesús; Pin, Jean-Philippe; Fernández-Dueñas, Víctor; Goudet, Cyril; Nicoletti, Ferdinando; Llebaria, Amadeu; Ciruela, Francisco (eLIFE. Vol.6 (2017), e23545, 2017-04)
      Light-operated drugs constitute a major target in drug discovery, since they may provide spatiotemporal resolution for the treatment of complex diseases (i.e. chronic pain). JF-NP-26 is an inactive ...

    • Photodynamic synergistic effect of pheophorbide a and doxorubicin in combined treatment against tumoral cells 

      Nonell, Santi; Bresolí Obach, Roger; Ruiz González, Rubén; Milán, Paula; Stockert, Juan Carlos; Villanueva, Ángeles; Cañete, Magdalena (Cancers. Vol.9, n.2 (2017), 18, 2017-02)
      A combination of therapies to treat cancer malignancies is at the forefront of research with the aim to reduce drug doses (ultimately side effects) and diminish the possibility of resistance emergence ...

    • Synthesis, photophysical characterization and photoinduced antibacterial activity of methylene blue-loaded amino- and mannose-targeted mesoporous silica nanoparticles 

      Planas Marquès, Oriol; Bresolí Obach, Roger; Nos, Jaume; Gallavardin, Thibault; Ruiz González, Rubén; Agut Bonsfills, Montserrat; Nonell, Santi (Molecules. Vol.20, n.4 (2015), p.6284-6298, 2015-04)
      Over the last 20 years, the number of pathogenic multi-resistant microorganisms has grown steadily, which has stimulated the search for new strategies to combat antimicrobial resistance. Antimicrobial ...

    • Tetramethylbenzidine: an acoustogenic photoacoustic probe for reactive oxygen species detection 

      Nonell, Santi; Agut Bonsfills, Montserrat; Bresolí Obach, Roger; Frattini, Marcello; Abbruzzetti, Stefania; Viappiani, Cristiano (Sensors. Vol.20, n.20 (2020), 5952, 2020-10)
      Photoacoustic imaging is attracting a great deal of interest owing to its distinct advantages over other imaging techniques such as fluorescence or magnetic resonance image. The availability of photoacoustic ...

    • The primeval optical evolving matter by optical binding inside and outside the photon beam 

      Huang, Chih-Hao; Louis, Boris; Bresolí Obach, Roger; Kudo, Tetsuhiro; Camacho, Rafael; Scheblykin, Ivan; Sugiyama, Teruki; Hofkens, Johan; Masuhara, Hiroshi (Nature Communications 2022, 13(1), 5325, 2022)
      Optical binding has recently gained considerable attention because it enables the light-induced assembly of many-body systems; however, this phenomenon has only been described between directly irradiated ...

    • Unconventional Optical Matter of Hybrid Metal–Dielectric Nanoparticles at Interfaces 

      Louis, Boris; Huang, Chih-Hao; Meléndez, Marc; Sánchez-Iglesias, Ana; Olmos-Trigo, Jorge; Seth, Sudipta; Rocha, Susana; Delgado-Buscalioni, Rafael; Liz-Marzán, Luis M.; Marqués, Manuel I.; Masuhara, Hiroshi; Hofkens, Johan; Bresolí Obach, Roger (ACS Nano 2024;18(47):32746-32758, 2024-11-18)
      Optical matter, a transient arrangement formed by the interaction of light with micro/nanoscale objects, provides responsive and highly tunable materials that allow for controlling and manipulating light ...

    • Unravelling 3D Dynamics and Hydrodynamics during Incorporation of Dielectric Particles to an Optical Trapping Site 

      Louis, Boris; Huang, Chih-Hao; Camacho, Rafael; Scheblykin, Ivan; Sugiyama, Teruki; Kudo, Tetsuhiro; Melendez, Marc; Delgado-Buscalioni, Rafael; Masuhara, Hiroshi; Hofkens, Johan; Bresolí Obach, Roger (ACS Nano 2023, 17(4), 2023-02)
      Mapping of the spatial and temporal motion of particles inside an optical field is critical for understanding and further improvement of the 3D spatio-temporal control over their optical trapping dynamics. ...

    • Una visión moderna sobre la desactivación de cetonas aromáticas por beta-fenilos 

      Bresolí Obach, Roger; Nonell, Santi (Afinidad. Vol.73, n.574 (2016), p.90-95, 2016-04)
      La desactivación por beta fenilos (en inglés, Beta Phenyl Quenching o BPQ) es una reacción que se produce a partir del estado triplete de cetonas aromáticas con un grupo fenilo en posición beta. Esta ...