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Nanoscale objects are typically internalized by cells into membrane-bounded endosomes and fail to access the cytosolic cell machinery. Whereas some biomacromolecules may penetrate or fuse with cell membranes without overt membrane disruption, no synthetic material of comparable size has shown this property yet. Cationic nano-objects pass through cell(More)
Nanoparticles can be used as the building blocks for materials such as supracrystals or ionic liquids. However, they lack the ability to bond along specific directions as atoms and molecules do. We report a simple method to place target molecules specifically at two diametrically opposed positions in the molecular coating of metal nanoparticles. The(More)
into a tube furnace preheated to 600±700 C. The Zn powder was kept about 5 cm below the high-temperature zone of the tube furnace , as shown in the left portion of Figure 1. All the experiments were carried out under atmospheric pressure. The fundamental output of a Q-switched Nd:YAG laser (Quantary DCR 130), 1064 nm in wavelength and 7 ns in pulse width,(More)
The stability and longevity of surface-stabilized lubricant layers is a critical question in their application as low-and nonfouling slippery surface treatments in both industry and medicine. Here, we investigate lubricant loss from surfaces under flow in water using both quantitative analysis and visualization, testing the effects of underlying surface(More)
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