Look up gel in Wiktionary, the free dictionary.

A gel is a complex solid but fluid substance with liquid-like properties.

Gel may also refer to:

In personal care

• Hair gel, a gel used for setting hair styles
• Shower gel, a cosmetic body wash
• Personal lubricant used for sex purpose
• Hair colouring gel, a form of hair dye

In pharmaceutics and physical chemistry

• Gel capsule (gel cap), a gelatinous capsule in which a drug is held
• Sol gel, a colloidal suspension that can be gelled to form a solid
• Hydrogel or Aquagel, a water-insoluble polymer
• Xerogel, a dried gel that, when heated, becomes a dense glass
  • Aerogel, a gel that has been dehydrated under supercritical conditions such that the liquid has been replaced with gas

In biochemistry

• Gel electrophoresis, the separation of deoxyribonucleic acid, ribonucleic acid, and protein through an electric charge
  • Polyacrylamide gel, a separation matrix used in electrophoresis of biomolecules, called polyacrylamide gel electrophoresis or PAGE
  • Agarose gel electrophoresis, the separation of (usually) large organic molecules by size
• Gel extraction, a technique used to isolate a fragment of intact DNA
• Gel filtration chromatography, where gel spheres with varying matrix sizes are used to separate proteins in solution with water
• Gel permeation chromatography, as above, but the proteins are in solution with an organic solvent

In entertainment

• Color gel, a transparent colored material used to shade stage lighting
• Gel, a fictional character from The Tribe (1999-2003) played by Vicky Rodewyk
• Gel, an enemy from The Legend of Zelda series
• Gel (song), a song by Collective Soul

In popular culture

• Gel bracelets, wristband similar to a large diameter O-ring
• Gel pen, gel-inked ballpoint pens
• Gel conference GEL, or Good Experience Live

Other uses

• Gël, a city in Armenia, now called Lichk
• Gel battery is a rechargeable valve regulated lead-acid battery with a gelified electrolyte
• Silica gel, a granular, porous form of silica made synthetically from sodium silicate
• Opal, a mineraloid gel often used as a gemstone

[edit] See also

• Agar
• Collagen
• Colloid
• Gelatin
  • Gelatin desserts
• Gelling agent
• Jelly

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