There are few prints as timeless, and as playful as the polka dot. From Marilyn Monroe’s swing dresses to Minnie Mouse’s iconic bows, the dotted pattern has long symbolized whimsy, femininity, and ...

Quantum dots are crystals of a fluorescent semiconductor material with a diameter of as few as 10 to 100 atoms (2-10 nm). They are used as labels for imaging molecules because of their very narrow ...

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