3 research outputs found

    Probes for Nanoscopy: Photoswitchable Fluorophores

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    In recent years, new concepts have emerged for imaging in a far-field fluorescence microscope with resolution under the diffraction limit. All these concepts bear in common the use of molecular states of the probe to switch its signal between a fluorescent and a dark state. So far, in these techniques different kinds of molecular switches have been applied, whose photochemical features become a crucial fact for the success. In this chapter, we will discuss how the two isomeric forms of a photochromic system can be used to design a fluorescent switch for that purpose. We will focus on the photochemical and photophysical relevant properties for these systems to fulfill the requirements of a suitable probe for the different strategies currently used in fluorescence nanoscopy. Examples containing diverse photochromes and their application in super-resolution fluorescence imaging will be described.Fil: Aramendia, Pedro Francisco. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Oficina de CoordinaciĂłn Administrativa Ciudad Universitaria. Instituto de QuĂ­mica, FĂ­sica de los Materiales, Medioambiente y EnergĂ­a. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de QuĂ­mica, FĂ­sica de los Materiales, Medioambiente y EnergĂ­a; Argentina. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Oficina de CoordinaciĂłn Administrativa Parque Centenario. Centro de Investigaciones en Bionanociencias "Elizabeth Jares Erijman"; ArgentinaFil: Bossi, Mariano Luis. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Oficina de CoordinaciĂłn Administrativa Ciudad Universitaria. Instituto de QuĂ­mica, FĂ­sica de los Materiales, Medioambiente y EnergĂ­a. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de QuĂ­mica, FĂ­sica de los Materiales, Medioambiente y EnergĂ­a; Argentin

    Tumour biology of obesity-related cancers: understanding the molecular concept for better diagnosis and treatment

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    State of the evidence 2017: an update on the connection between breast cancer and the environment

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