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      Understanding biophysicochemical interactions at the nano-bio interface.

      Nature materials

      Biocompatible Materials, chemistry, metabolism, Models, Biological, Nanoparticles, Nanotechnology, methods, trends, Particle Size, Proteins

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          Abstract

          Rapid growth in nanotechnology is increasing the likelihood of engineered nanomaterials coming into contact with humans and the environment. Nanoparticles interacting with proteins, membranes, cells, DNA and organelles establish a series of nanoparticle/biological interfaces that depend on colloidal forces as well as dynamic biophysicochemical interactions. These interactions lead to the formation of protein coronas, particle wrapping, intracellular uptake and biocatalytic processes that could have biocompatible or bioadverse outcomes. For their part, the biomolecules may induce phase transformations, free energy releases, restructuring and dissolution at the nanomaterial surface. Probing these various interfaces allows the development of predictive relationships between structure and activity that are determined by nanomaterial properties such as size, shape, surface chemistry, roughness and surface coatings. This knowledge is important from the perspective of safe use of nanomaterials.

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          Author and article information

          Journal
          19525947
          10.1038/nmat2442

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