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A nanoparticle (NP) immersed in biological media rapidly forms a corona of adsorbed proteins, which later controls the eventual fate of the particle and the route through which adverse outcomes may occur. The composition and timescale for…

Soft Condensed Matter · Physics 2021-11-03 I. Rouse , V. Lobaskin

Nanoparticles (NPs) in contact with biological fluid adsorb biomolecules into a corona. This corona comprises proteins that strongly bind to the NP (hard corona) and loosely bound proteins (soft corona) that dynamically exchange with the…

Soft Condensed Matter · Physics 2025-01-20 Oriol Vilanova , Alberto Martinez-Serra , Marco P Monopoli , Giancarlo Franzese

Herein, we examined the dependence of protein adsorption on the nanoparticle surface in the presence of functional groups. Our UV-visible spectrophotometry, transmission electron microscopy, infrared spectroscopy and dynamic light…

Soft Condensed Matter · Physics 2016-10-18 Ramakrishna Podila , Ran Chen , Pu Chun Ke , Apparao M. Rao

Protein corona formation and nanoparticle aggregation have been heavily discussed over the last years since the lack of fine-mapping of these two combined effects has hindered the targeted delivery evolution and the personalized…

Nanoparticle (NP)-protein complexes exhibit the correct identity of NP in biological media. Therefore, protein-NP interactions should be closely explored to understand and to modulate the nature of NPs in medical implementations. This…

Engineered inorganic nanoparticles are essential components in the development of nanotechnologies. For applications in nanomedicine, particles need to be functionalized to ensure a good dispersibility in biological fluids. In many cases…

Materials Science · Physics 2011-08-25 M. Safi , J. Courtois , M. Seigneuret , H. Conjeaud , J. -F. Berret

When disperse in biological fluids, engineered nanoparticles are selectively coated with proteins, resulting in the formation of a protein corona. It is suggested that the protein corona is critical in regulating the conditions of entry…

Materials Science · Physics 2021-09-21 V. Torrisi , A. Graillot , L. Vitorazi , Q. Crouzet , G. Marletta , C. Loubat , J. -F. Berret

Extensive molecular dynamics simulations reveal that the interactions between proteins and poly(ethylene glycol)(PEG) can be described in terms of the surface composition of the proteins. PEG molecules accumulate around non-polar residues…

The main aim of this study is to report basic knowledge on how a protein corona (PC) could affect or modify the way in which multifunctionalized nanoparticles interact with cells. With this purpose, we have firstly optimized the development…

Intensive concerns about the biosafety of nanomaterials demand the systematic study of the mechanisms about their biological effects. Many biological effects can be attributed to the interaction of nanomaterials with protein and their…

Biological Physics · Physics 2016-01-20 Deyi An , Jiguo Su , Chunhua Li , Jingyuan Li

In ultrarelativistic heavy ion collisions, the multiplicity of multi-strange baryons per participating nucleon increases with centrality in a different fashion for different systems and energies. At RHIC, for copper+copper (CuCu) collisions…

Nuclear Theory · Physics 2014-11-18 J. Aichelin , K. Werner

Engineered biomedical nanoparticles (NP) administered via intravenous routes are prone to associate to serum proteins. The protein corona can mask the NP surface functionalization and hamper the delivery of the NP to its biological target.…

Computational Physics · Physics 2019-05-29 Federica Simonelli , Giulia Rossi , Luca Monticelli

Magnetic nanoparticles have a broad spectrum of biomedical applications including cell separation, diagnostics and therapy. One key issue is little explored: how do the engineered nanoparticles interact with blood components after…

Biological Physics · Physics 2020-12-22 Ulrike Martens , Una Janke , Sophie Moeller , Delphine Talbot , Ali Abou-Hassan , Mihaela Delcea

Quantum coherence is highly involved in photochemical functioning of complex molecular systems. Co-existence and intermixing of electronic and/or vibrational coherences, while never unambiguously identified experimentally, has been proposed…

When nanoparticles (NPs) are introduced into a biological solution, layers of biomolecules form on their surface, creating a corona. Understanding how the structure of the protein evolves into the corona is essential for evaluating the…

Quantum mechanical calculations are performed on the proteins that constitute the ubiquitin-Dsk2 complex whose atomic structure has been experimentally determined by NMR spectroscopy (PDB id 1WR1). The results indicate that the dipole…

Biomolecules · Quantitative Biology 2013-08-15 Fabio Pichierri

Biological forces govern essential cellular and molecular processes in all living organisms. Many cellular forces, e.g. those generated in cyclic conformational changes of biological machines, have repetitive components. However, little is…

Biomolecules · Quantitative Biology 2008-09-17 P. Szymczak , Harald Janovjak

Spatial confinement in nanoporous media affects the structure, thermodynamics and mobility of molecular soft matter often markedly. This article reviews thermodynamic equilibrium phenomena, such as physisorption, capillary condensation,…

Soft Condensed Matter · Physics 2015-02-17 Patrick Huber

The paper presents the results of investigation of the structure of porous condensates of Ag-NaCl and Cu-NaCl composition; chemical and phase compositions and dimensions of nanoparticles, produced from the vapour phase by EBPVD method.…

Materials Science · Physics 2019-01-04 Yu. A. Kurapov , S. E. Litvin , S. M. Romanenko , G. G. Didikin , N. N. Belyavina

Silver, especially in the form of nanostructures, is widely employed as an antimicrobial agent in a large range of commercial products. The origin of the biocidal mechanism has been elucidated in the last decades, and most likely originates…

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