Should all 9,730 new applications be approved by the TLC — a process expected to take months — the total 11,930 electric cars would make up 13.6% of a rideshare fleet totaling 87,730 vehicles.

These bulbous bands of color are what was left after Maria-Elena Liosi tried to purify the product of her reaction on a preparatory thin-layer chromatography (TLC) plate. Like the smaller, more ...

Organic chemists often talk about spots in the context of thin-layer chromatography (TLC) plates. Usually they’re referring to the tiny blobs that climb from the bottom to the top of a TLC plate ...