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  1. Article

    Open Access

    Polydopamine coating of living diatom microalgae

    Many microorganisms produce specific structures, known as spores or cysts, to increase their resistance to adverse environmental conditions. Scientists have started to produce biomimetic materials inspired by ...

    Danilo Vona, Stefania R. Cicco, Roberta Ragni… in Photochemical & Photobiological Sciences (2022)

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  2. Article

    Open Access

    Incorporating a molecular antenna in diatom microalgae cells enhances photosynthesis

    Diatom microalgae have great industrial potential as next-generation sources of biomaterials and biofuels. Effective scale-up of their production can be pursued by enhancing the efficiency of their photosynthe...

    Gabriella Leone, Gabriel De la Cruz Valbuena, Stefania Roberta Cicco… in Scientific Reports (2021)

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  3. No Access

    Article

    Nanostructured interfaces between photosynthetic bacterial Reaction Center and Silicon electrodes

    Optimizing interfaces between photosynthetic natural photoconverters, like photosynthetic bacterial Reaction Centers (RCs) and electrode surfaces represents a challenge in the progress of bio-optoelectronic de...

    Marco Lo Presti, Danilo Vona, Gabriella Leone, Giorgio Rizzo, Roberta Ragni… in MRS Advances (2019)

  4. No Access

    Article

    A heptamethine cyanine dye suitable as antenna in biohybrids based on bacterial photosynthetic reaction center

    Sunlight is the most environmental friendly energy source available on Earth; many efforts devoted to design artificial photoconversion systems are ongoing, nevertheless they are still expensive and poorly eff...

    Roberta Ragni, Gabriella Leone, Simona la Gatta, Giorgio Rizzo… in MRS Advances (2019)

  5. No Access

    Article

    Biosilica/polydopamine/silver nanoparticles composites: new hybrid multifunctional heterostructures obtained by chemical modification of Thalassiosira weissflogii silica shells

    Biosilica from living diatom microalgae has recently attracted the interest of the scientific community and found several applications in bio-nanotechnology. Among silica-maker organisms, diatom microalgae rep...

    Danilo Vona, Stefania Roberta Cicco, Roberta Ragni, Gabriella Leone… in MRS Communications (2018)

  6. No Access

    Article

    In vivo functionalization of biosilica from Thalassiosira weissflogii with a two-photon red emitting fluorescent tag

    The chemical decoration of biosilica shells (frustules) from microalgae with several classes of organic molecules is a convenient, scalable biotechnological route to silica nanostructures with applications ran...

    Danilo Vona, Gabriella Leone, Marco Lo Presti, Roberta Ragni… in MRS Advances (2018)

  7. No Access

    Article

    Biosilica from diatoms microalgae: smart materials from bio-medicine to photonics

    Diatoms microalgae can be regarded as living factories producing nanostructured and mesoporous biosilica shells (frustules) having a highly ordered hierarchical architecture. These unique, morphological, chemi...

    Roberta Ragni, Stefania Cicco, Danilo Vona… in Journal of Materials Research (2017)

  8. No Access

    Article

    Diatoms Biosilica as Efficient Drug-Delivery System

    Diatoms are the most abundant resource of biosilica on Earth. These microalgae are encased in a 3-D amorphous silica “shell” called frustule whose size and morphology is strictly dependent on the diatom specie...

    Danilo Vona, Gabriella Leone, Roberta Ragni, Fabio Palumbo… in MRS Advances (2016)