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Maize was first domesticated in a restricted valley in south-central Mexico. It was diffused throughout the Americas over thousands of years, and following the discovery of the New World by Columbus, was introduced into Europe. Trade and colonization introduced it further into all parts of the world to which it could adapt. Repeated introductions, local(More)
PEDOT nanoparticles with a suitable nanosize of 17.2 nm, broad adsorption from 700 to 1250 nm, and photothermal conversion efficiency (η) of 71.1%, were synthesized using an environmentally friendly hydrothermal method. Due to the electrostatic attraction between indocyanine green (ICG) and PEDOT, the stability of ICG in aqueous solution was effectively(More)
The side effects of chemotherapy bring significant physical and psychological suffering to patients. To solve this urgent medical problem, Yb3+ and Er3+ co-doped NaLuF4 upconversion nanoparticles (UCNPs) were constructed for upconversion luminescence (UCL)-labeled diagnosis under 980 nm laser irradiation. The UCNPs were then modified layer by layer with(More)
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