期刊
APPLIED PHYSICS LETTERS
卷 101, 期 26, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4772509
关键词
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资金
- NIH, NIEHS [RO1 ES019311]
- Div Of Chem, Bioeng, Env, & Transp Sys
- Directorate For Engineering [1232724] Funding Source: National Science Foundation
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 scattering measurements evidently suggested that the functional groups play an important role in the formation of nanoparticle-protein corona. We found that uncoated and surfactant-free silver nanoparticles derived from a laser ablation process promoted a maximum protein (bovine serum albumin) coating due to increased changes in entropy. On the other hand, bovine serum albumin displayed a relatively lower affinity for electrostatically stabilized nanoparticles due to the constrained entropy changes. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4772509]
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