Gel (disambiguation)
Encyclopedia
A gel
Gel
A gel is a solid, jelly-like material that can have properties ranging from soft and weak to hard and tough. Gels are defined as a substantially dilute cross-linked system, which exhibits no flow when in the steady-state...

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

Gel may also refer to:

In personal care
  • Hair gel
    Hair gel
    Hair gel is a hairstyling product that is used to stiffen hair into a particular hairstyle. The results it produces are usually similar to, but stronger than, those of hair spray and hair wax, and weaker than those of hair glue.-Types:...

    , a gel used for setting hair styles
  • Shower gel
    Shower gel
    Shower gel or shower cream is the general term for a substance similar to liquid soap, which is used for cleaning yourself during a shower. Most commercial shower gels do not contain any saponified oil however, instead being products of petroleum...

    , a cosmetic body wash
  • Personal lubricant
    Personal lubricant
    Personal lubricants are specialized lubricants to reduce friction between body parts, or between body parts and other objects...

     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
    Sol gel
    The sol-gel process is a wet-chemical technique widely used in the fields of materials science and ceramic engineering. Such methods are used primarily for the fabrication of materials starting from a colloidal solution that acts as the precursor for an integrated network of either discrete...

    , 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
      Aerogel
      Aerogel is a synthetic porous material derived from a gel, in which the liquid component of the gel has been replaced with a gas. The result is a solid with extremely low density and thermal conductivity...

      , a gel that has been dehydrated under supercritical conditions such that the liquid has been replaced with gas


In biochemistry
  • Gel electrophoresis
    Gel electrophoresis
    Gel electrophoresis is a method used in clinical chemistry to separate proteins by charge and or size and in biochemistry and molecular biology to separate a mixed population of DNA and RNA fragments by length, to estimate the size of DNA and RNA fragments or to separate proteins by charge...

    , 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
    Gel extraction
    In molecular biology, gel extraction or gel isolation is a technique used to isolate a desired fragment of intact DNA from an agarose gel following agarose gel electrophoresis. After extraction, fragments of interest can be mixed, precipitated, and enzymatically ligated together in several simple...

    , 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
    Gel Permeation Chromatography
    Gel permeation chromatography is a type of size exclusion chromatography , that separates analytes on the basis of size. The technique is often used for the analysis of polymers. As a technique, SEC was first developed in 1955 by Lathe and Ruthven. The term gel permeation chromatography can be...

    , as above, but the proteins are in solution with an organic solvent


In entertainment
  • Color gel
    Color gel
    A color gel or color filter , also known as lighting gel or simply gel, is a transparent colored material that is used in theatre, event production, photography, videography and cinematography to color light and for color correction...

    , a transparent colored material used to shade stage lighting
  • Gel, a fictional character from The Tribe (1999–2003) played by Vicky Rodewyk
    Vicky Rodewyk
    Vicky Rodewyk is an actress, photographic model and dancer from New Zealand. She has appeared in various TV commercials and shows, such as Barney, Shortland Street and an episode of Cloud 9's series Revelations – The Initial Journey....

  • Gel, an enemy from The Legend of Zelda series
  • Gel (song)
    Gel (song)
    "Gel" is the first single from Collective Soul's self-titled second album. The song was featured in Jerky Boys: The Movie. It charted on the Billboard Mainstream Rock Tracks chart at number two and peaked on the Modern Rock Tracks chart at number fourteen. The song didn't chart on Billboard Hot...

    , a song by Collective Soul


In popular culture
  • Gel bracelets, wristband similar to a large diameter O-ring
  • Gel pen
    Gel pen
    A gel pen uses ink in which pigment is suspended in a water-based gel. Because the ink is thick and opaque, it shows up more clearly on dark or slick surfaces than the typical inks used in ballpoint or felt tip pens...

    , gel-inked ballpoint pens
  • Gel conference
    Gel conference
    Gel is a conference focused on experience in all its forms -- business, art, society, technology, and life.The conference has been held annually in New York City since 2003, and the first European counterpart, euroGel 2006, took place in Copenhagen, Denmark, on 1 September 2006...

     GEL, or Good Experience Live


Other uses
  • Gël, a city in Armenia, now called Lichk
    Lichk
    Lichk is a village located south of Lake Sevan in the Gegharkunik province of Armenia. Although the village was founded in 1830, there are ruins of earlier habitation including remains of a medieval town. There are also the ruins of the early Tsaghkavank which sit adjacent to the church of S....

  • Gel battery is a rechargeable valve regulated lead-acid battery with a gelified electrolyte
  • Silica gel
    Silica gel
    Silica gel is a granular, vitreous, porous form of silica made synthetically from sodium silicate. Despite its name, silica gel is a solid. It is a naturally occurring mineral that is purified and processed into either granular or beaded form...

    , a granular, porous form of silica made synthetically from sodium silicate
  • Opal
    Opal
    Opal is an amorphous form of silica related to quartz, a mineraloid form, not a mineral. 3% to 21% of the total weight is water, but the content is usually between 6% to 10%. It is deposited at a relatively low temperature and may occur in the fissures of almost any kind of rock, being most...

    , a mineraloid gel often used as a gemstone

See also

  • Agar
    Agar
    Agar or agar-agar is a gelatinous substance derived from a polysaccharide that accumulates in the cell walls of agarophyte red algae. Throughout history into modern times, agar has been chiefly used as an ingredient in desserts throughout Asia and also as a solid substrate to contain culture medium...

  • Collagen
    Collagen
    Collagen is a group of naturally occurring proteins found in animals, especially in the flesh and connective tissues of mammals. It is the main component of connective tissue, and is the most abundant protein in mammals, making up about 25% to 35% of the whole-body protein content...

  • Colloid
    Colloid
    A colloid is a substance microscopically dispersed evenly throughout another substance.A colloidal system consists of two separate phases: a dispersed phase and a continuous phase . A colloidal system may be solid, liquid, or gaseous.Many familiar substances are colloids, as shown in the chart below...

  • Gelatin
    Gelatin
    Gelatin is a translucent, colorless, brittle , flavorless solid substance, derived from the collagen inside animals' skin and bones. It is commonly used as a gelling agent in food, pharmaceuticals, photography, and cosmetic manufacturing. Substances containing gelatin or functioning in a similar...

    • Gelatin dessert
      Gelatin dessert
      Gelatin desserts are desserts made with sweetened and flavored gelatin. They can be made by combining plain gelatin with other ingredients or by using a premixed blend of gelatin with additives...

      s
  • Gelling agent
  • Jelly (disambiguation)
    Jelly (disambiguation)
    Jelly may refer to:* Gelatin, a translucent substance extracted from the collagen inside animals' connective tissue* Gelatin dessert, referred to as jelly in the United Kingdom, Ireland and other countries...

  • Geld (disambiguation)
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