ELI5: Explain Like I'm 5

History of electrophoresis

Electrophoresis is a really cool science tool that helps scientists separate different kinds of things in a mixture. It's like a magic wand that makes all the different pieces move apart so we can study each one individually.

A long time ago, in the early 1800s, an Italian man named Luigi Galvani discovered that electricity can make muscles move. Later, in the 1850s, a British man named Michael Faraday figured out that electricity can also make things move through liquids. He called this "electrophoresis."

Fast forward to the 1930s, and a couple of scientists named Lederer and Mann created the first gel electrophoresis. This is a special kind of electrophoresis that uses a gel to separate pieces of DNA or protein molecules based on their size and charge.

Then in the 1950s, a guy named Arne Tiselius improved gel electrophoresis with something called "zone electrophoresis." This means the gel is divided into a bunch of different zones, each with a different charge. When we apply electricity, the pieces move through the gel and separate into their appropriate zones.

Finally, in the 1970s, Fred Sanger and Walter Gilbert both won the Nobel Prize for their work in DNA sequencing, which involved using gel electrophoresis to separate DNA pieces and then read the sequence.

So, to sum it up, electrophoresis is a really powerful tool that scientists use to separate different molecules based on their electrical charge and size so we can study them better. It's been around for a really long time, and has helped us understand how things like DNA and proteins work.