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The light-cell pump can enhance the action of anticancer drugs by transporting them into cancer cells, and can also serve to bring nutrients and antioxidants deep into the skin. Right: On hydrophilic surfaces the density (ρ) and viscosity (η) of nanoscopic interfacial water layers (IWL) is increased relative to bulk water, affecting the interfacial tension (γ). The parameters making up the triangle can be modulated by moderately intense 670 nm light – the mechanism behind the light-cell pump's operation. (Courtesy: A Sommer)
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