Blotting paper

Blotting paper is a type of absorbent paper primarily used in the laboratory and for art purposes. It is known for its ability to absorb excess liquids or ink, making it a useful tool in various fields.

History

The use of blotting paper can be traced back to the ancient times, where it was used for drying writing ink. It was particularly popular during the Victorian era, where it was commonly used in calligraphy and fountain pen writing.

Uses

Laboratory

In the laboratory, blotting paper is used in several techniques such as Southern blotting, Northern blotting, and Western blotting. These techniques are used for the detection of specific DNA, RNA, and protein sequences in a sample.

Art

In art, blotting paper is used to absorb excess ink or water from the surface of a drawing or painting. This helps to prevent smudging and maintains the clarity of the artwork.

Cosmetics

Blotting paper is also used in the cosmetics industry. It is often infused with powder or salicylic acid to absorb excess oil from the skin, helping to maintain a matte finish.

Production

Blotting paper is typically made from cotton linters or rags. The material is soaked in water to create a pulp, which is then spread out and pressed to form sheets of paper. The sheets are then dried and cut into the desired size.

See also

• Absorbent paper
• Southern blotting
• Western blotting
• Northern blotting