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- Translocation of nanoparticles, carbon nanotubes and polymers through bilayers Cell membranes represent a serious protective barrier for external molecules, proteins, nanoparticles and drugs. This barrier is quite efficient in protecting the interior of the cells. However, large nanoscale objects, single-walled carbon nanotubes (SWNTs) have been found inside the cells both in direct and indirect biological experiments. Such experiments suggest that carbon nanotubes can efficiently [...]...
- Translocation of nanoparticles, carbon nanotubes and polymers through bilayers Cell membranes represent a serious protective barrier for external molecules, proteins, nanoparticles and drugs. This barrier is quite efficient in protecting the interior of the cells. However, large nanoscale objects, single-walled carbon nanotubes (SWNTs) have been found inside the cells both in direct and indirect biological experiments. Such experiments suggest that carbon nanotubes can efficiently [...]...
- General model of phospholipid bilayers in fluid phase within the single chain mean field theory J. Chem. Phys. 140, 174903 (2014) Yachong Guo, Sergey Pogodin and Vladimir A. Baulin Coarse-grained model for saturated phospholipids: 1,2-didecanoyl-sn-glycero-3-phosphocholine (DCPC), 1,2-dilauroyl-sn-glycero-3-phosphocholine (DLPC), 1,2-dimyristoyl-sn-glycero-3-phosphocholine (DMPC), 1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC), 1,2-distearoyl-sn-glycero-3-phosphocholine (DSPC) and unsaturated phospholipids: 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine (POPC), 1,2- dioleoyl-sn-glycero-3-phosphocholine (DOPC) is introduced within the single chain mean field theory. A single set of parameters adjusted for DMPC bilayers gives an adequate description [...]...
- Direct proof of spontaneous translocation of lipid-covered hydrophobic nanoparticles through a phospholipid bilayer Science Advances 2 (11), e1600261 (2016) Yachong Guo, Emmanuel Terazzi, Ralf Seemann, Jean Baptiste Fleury and Vladimir A. Baulin Hydrophobic nanoparticles introduced into living systems may lead to increased toxicity, can activate immune cells, or can be used as nanocarriers for drug or gene delivery. It is generally accepted that small hydrophobic nanoparticles are blocked by lipid bilayers and accumulate in the [...]...
- Can a carbon nanotube pierce through a phospholipid bilayer? S. Pogodin and V.A. Baulin ACS Nano, 4 (9), 5293–5300 (2010) Great efficiency to penetrate into living cells is attributed to carbon nanotubes due to a number of direct and indirect observations of carbon nanotubes inside the cells. However, a direct evidence of physical translocation of nanotubes through phospholipid bilayers and the exact microscopic mechanism of their [...]...