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Gel, the Glossary

Index Gel

A gel is a semi-solid that can have properties ranging from soft and weak to hard and tough.[1]

Table of Contents

  1. 107 relations: Absorption (chemistry), Acid dissociation constant, Acid strength, Actuator, Adhesive, Aerogel, Affine transformation, Agarose gel electrophoresis, Cartilage, Chemical bond, Clipping (morphology), Colloid, Computational fluid dynamics, Cross-link, Crystallinity, Crystallite, Deformation (engineering), Deformation (physics), Depletion force, Desalination, Dialysis (chemistry), Disulfide, Drug delivery, Elasticity (physics), Electrostatics, Encyclopedia of Earth, End-to-end vector, Entropic force, Entropy of mixing, Flocculation, Flory–Huggins solution theory, Food rheology, Gel, Gel electrophoresis, Gel permeation chromatography, Gelatin, Gelation, Gibbs–Donnan effect, Glass, Hair gel, Hydrogel, Ice pack, Ideal chain, Implant (medicine), International Union of Pure and Applied Chemistry, Intervertebral disc, Ionization, Isotropy, Lamella (materials), Liquid, ... Expand index (57 more) »

  2. Colloids
  3. Gels

Absorption (chemistry)

Absorption is a physical or chemical phenomenon or a process in which atoms, molecules or ions enter the liquid or solid bulk phase of a material. Gel and Absorption (chemistry) are physical chemistry.

See Gel and Absorption (chemistry)

Acid dissociation constant

In chemistry, an acid dissociation constant (also known as acidity constant, or acid-ionization constant; denoted) is a quantitative measure of the strength of an acid in solution. Gel and acid dissociation constant are physical chemistry.

See Gel and Acid dissociation constant

Acid strength

Acid strength is the tendency of an acid, symbolised by the chemical formula HA, to dissociate into a proton, H+, and an anion, A-.

See Gel and Acid strength

Actuator

An actuator is a component of a machine that produces force, torque, or displacement, usually in a controlled way, when an electrical, pneumatic or hydraulic input is supplied to it in a system (called an actuating system).

See Gel and Actuator

Adhesive

Adhesive, also known as glue, cement, mucilage, or paste, is any non-metallic substance applied to one or both surfaces of two separate items that binds them together and resists their separation.

See Gel and Adhesive

Aerogel

Aerogels are a class of synthetic porous ultralight material derived from a gel, in which the liquid component for the gel has been replaced with a gas, without significant collapse of the gel structure.

See Gel and Aerogel

Affine transformation

In Euclidean geometry, an affine transformation or affinity (from the Latin, affinis, "connected with") is a geometric transformation that preserves lines and parallelism, but not necessarily Euclidean distances and angles.

See Gel and Affine transformation

Agarose gel electrophoresis

Agarose gel electrophoresis is a method of gel electrophoresis used in biochemistry, molecular biology, genetics, and clinical chemistry to separate a mixed population of macromolecules such as DNA or proteins in a matrix of agarose, one of the two main components of agar.

See Gel and Agarose gel electrophoresis

Cartilage

Cartilage is a resilient and smooth type of connective tissue.

See Gel and Cartilage

Chemical bond

A chemical bond is the association of atoms or ions to form molecules, crystals, and other structures.

See Gel and Chemical bond

Clipping (morphology)

In linguistics, clipping, also called truncation or shortening, is word formation by removing some segments of an existing word to create a synonym.

See Gel and Clipping (morphology)

Colloid

A colloid is a mixture in which one substance consisting of microscopically dispersed insoluble particles is suspended throughout another substance. Gel and colloid are colloids and Dosage forms.

See Gel and Colloid

Computational fluid dynamics

Computational fluid dynamics (CFD) is a branch of fluid mechanics that uses numerical analysis and data structures to analyze and solve problems that involve fluid flows.

See Gel and Computational fluid dynamics

emanate, and formed by reactions involving sites or groups on existingmacromolecules or by interactions between existing macromolecules.

See Gel and Cross-link

Crystallinity

Crystallinity refers to the degree of structural order in a solid.

See Gel and Crystallinity

Crystallite

A crystallite is a small or even microscopic crystal which forms, for example, during the cooling of many materials.

See Gel and Crystallite

Deformation (engineering)

In engineering, deformation (the change in size or shape of an object) may be elastic or plastic.

See Gel and Deformation (engineering)

Deformation (physics)

In physics and continuum mechanics, deformation is the change in the shape or size of an object.

See Gel and Deformation (physics)

Depletion force

A depletion force is an effective attractive force that arises between large colloidal particles that are suspended in a dilute solution of depletants, which are smaller solutes that are preferentially excluded from the vicinity of the large particles.

See Gel and Depletion force

Desalination

Desalination is a process that removes mineral components from saline water.

See Gel and Desalination

Dialysis (chemistry)

In chemistry, dialysis is the process of separating molecules in solution by the difference in their rates of diffusion through a semipermeable membrane, such as dialysis tubing.

See Gel and Dialysis (chemistry)

Disulfide

In chemistry, a disulfide (or disulphide in British English) is a compound containing a functional group or the anion.

See Gel and Disulfide

Drug delivery

Drug delivery refers to approaches, formulations, manufacturing techniques, storage systems, and technologies involved in transporting a pharmaceutical compound to its target site to achieve a desired therapeutic effect.

See Gel and Drug delivery

Elasticity (physics)

In physics and materials science, elasticity is the ability of a body to resist a distorting influence and to return to its original size and shape when that influence or force is removed.

See Gel and Elasticity (physics)

Electrostatics

Electrostatics is a branch of physics that studies slow-moving or stationary electric charges.

See Gel and Electrostatics

Encyclopedia of Earth

The Encyclopedia of Earth (abbreviated EoE) is an electronic reference about the Earth, its natural environments, and their interaction with society.

See Gel and Encyclopedia of Earth

End-to-end vector

In the physical chemistry study of polymers, the end-to-end vector is the vector that points from one end of a polymer to the other end.

See Gel and End-to-end vector

Entropic force

In physics, an entropic force acting in a system is an emergent phenomenon resulting from the entire system's statistical tendency to increase its entropy, rather than from a particular underlying force on the atomic scale.

See Gel and Entropic force

Entropy of mixing

In thermodynamics, the entropy of mixing is the increase in the total entropy when several initially separate systems of different composition, each in a thermodynamic state of internal equilibrium, are mixed without chemical reaction by the thermodynamic operation of removal of impermeable partition(s) between them, followed by a time for establishment of a new thermodynamic state of internal equilibrium in the new unpartitioned closed system.

See Gel and Entropy of mixing

Flocculation

In colloidal chemistry, flocculation is a process by which colloidal particles come out of suspension to sediment in the form of floc or flake, either spontaneously or due to the addition of a clarifying agent.

See Gel and Flocculation

Flory–Huggins solution theory

Flory–Huggins solution theory is a lattice model of the thermodynamics of polymer solutions which takes account of the great dissimilarity in molecular sizes in adapting the usual expression for the entropy of mixing.

See Gel and Flory–Huggins solution theory

Food rheology

Food rheology is the study of the rheological properties of food, that is, the consistency and flow of food under tightly specified conditions.

See Gel and Food rheology

Gel

A gel is a semi-solid that can have properties ranging from soft and weak to hard and tough. Gel and gel are colloids, Dosage forms, drug delivery devices, gels and physical chemistry.

See Gel and Gel

Gel electrophoresis

Gel electrophoresis is a method for separation and analysis of biomacromolecules (DNA, RNA, proteins, etc.) and their fragments, based on their size and charge. Gel and Gel electrophoresis are gels.

See Gel and Gel electrophoresis

Gel permeation chromatography

Gel permeation chromatography (GPC) is a type of size-exclusion chromatography (SEC), that separates high molecular weight or colloidal analytes on the basis of size or diameter, typically in organic solvents.

See Gel and Gel permeation chromatography

Gelatin

Gelatin or gelatine is a translucent, colorless, flavorless food ingredient, commonly derived from collagen taken from animal body parts. Gel and gelatin are gels.

See Gel and Gelatin

Gelation

In polymer chemistry, gelation (gel transition) is the formation of a gel from a system with polymers. Gel and gelation are colloids, Dosage forms, drug delivery devices, gels and physical chemistry.

See Gel and Gelation

Gibbs–Donnan effect

The Gibbs–Donnan effect (also known as the Donnan's effect, Donnan law, Donnan equilibrium, or Gibbs–Donnan equilibrium) is a name for the behaviour of charged particles near a semi-permeable membrane that sometimes fail to distribute evenly across the two sides of the membrane. Gel and Gibbs–Donnan effect are physical chemistry.

See Gel and Gibbs–Donnan effect

Glass

Glass is an amorphous (non-crystalline) solid.

See Gel and Glass

Hair gel

Hair gel is a hairstyling product that is used to harden hair into a particular hairstyle.

See Gel and Hair gel

Hydrogel

A hydrogel is a biphasic material, a mixture of porous, permeable solids and at least 10% by weight or volume of interstitial fluid composed completely or mainly by water. Gel and hydrogel are gels.

See Gel and Hydrogel

Ice pack

An ice pack or gel pack is a portable bag filled with water, refrigerant gel, or liquid, meant to provide cooling.

See Gel and Ice pack

Ideal chain

An ideal chain (or freely-jointed chain) is the simplest model in polymer chemistry to describe polymers, such as nucleic acids and proteins.

See Gel and Ideal chain

Implant (medicine)

An implant is a medical device manufactured to replace a missing biological structure, support a damaged biological structure, or enhance an existing biological structure.

See Gel and Implant (medicine)

International Union of Pure and Applied Chemistry

The International Union of Pure and Applied Chemistry (IUPAC) is an international federation of National Adhering Organizations working for the advancement of the chemical sciences, especially by developing nomenclature and terminology.

See Gel and International Union of Pure and Applied Chemistry

Intervertebral disc

An intervertebral disc (or intervertebral fibrocartilage) lies between adjacent vertebrae in the vertebral column.

See Gel and Intervertebral disc

Ionization

Ionization (or ionisation specifically in Britain, Ireland, Australia and New Zealand) is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons, often in conjunction with other chemical changes. Gel and Ionization are physical chemistry.

See Gel and Ionization

Isotropy

In physics and geometry, isotropy is uniformity in all orientations.

See Gel and Isotropy

Lamella (materials)

A lamella (lamellae) is a small plate or flake, from the Latin, and may also be used to refer to collections of fine sheets of material held adjacent to one another, in a gill-shaped structure, often with fluid in between though sometimes simply a set of 'welded' plates.

See Gel and Lamella (materials)

Liquid

A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a nearly constant volume independent of pressure.

See Gel and Liquid

Long-finned pilot whale

The long-finned pilot whale, or pothead whale (Globicephala melas) is a large species of oceanic dolphin.

See Gel and Long-finned pilot whale

Mass fraction (chemistry)

In chemistry, the mass fraction of a substance within a mixture is the ratio w_i (alternatively denoted Y_i) of the mass m_i of that substance to the total mass m_\text of the mixture.

See Gel and Mass fraction (chemistry)

Mesophase

In chemistry and chemical physics, a mesophase or mesomorphic phase is a phase of matter intermediate between solid and liquid.

See Gel and Mesophase

Mineral oil

Mineral oil is any of various colorless, odorless, light mixtures of higher alkanes from a mineral source, particularly a distillate of petroleum, as distinct from usually edible vegetable oils.

See Gel and Mineral oil

Mucus

Mucus is a slippery aqueous secretion produced by, and covering, mucous membranes.

See Gel and Mucus

Nanocomposite hydrogels

Nanocomposite hydrogels (NC gels) are nanomaterial-filled, hydrated, polymeric networks that exhibit higher elasticity and strength relative to traditionally made hydrogels. Gel and Nanocomposite hydrogels are gels.

See Gel and Nanocomposite hydrogels

Nanomaterials

Nanomaterials describe, in principle, chemical substances or materials of which a single unit is sized (in at least one dimension) between 1 and 100 nm (the usual definition of nanoscale).

See Gel and Nanomaterials

National Council for Science and the Environment

The National Council for Science and the Environment (NCSE) is a U.S.-based nonpartisan, non-profit organization which has a mission to improve the scientific basis of environmental decision-making.

See Gel and National Council for Science and the Environment

Non-Newtonian fluid

A non-Newtonian fluid is a fluid that does not follow Newton's law of viscosity, that is, it has variable viscosity dependent on stress.

See Gel and Non-Newtonian fluid

Online Etymology Dictionary

The Online Etymology Dictionary or Etymonline, sometimes abbreviated as OED (not to be confused with the Oxford English Dictionary, which the site often cites), is a free online dictionary that describes the origins of English words, written and compiled by Douglas R. Harper.

See Gel and Online Etymology Dictionary

Organic compound

Some chemical authorities define an organic compound as a chemical compound that contains a carbon–hydrogen or carbon–carbon bond; others consider an organic compound to be any chemical compound that contains carbon.

See Gel and Organic compound

Osmotic pressure

Osmotic pressure is the minimum pressure which needs to be applied to a solution to prevent the inward flow of its pure solvent across a semipermeable membrane.

See Gel and Osmotic pressure

Ouchterlony double immunodiffusion

Ouchterlony double immunodiffusion (also known as passive double immunodiffusion) is an immunological technique used in the detection, identification and quantification of antibodies and antigens, such as immunoglobulins and extractable nuclear antigens.

See Gel and Ouchterlony double immunodiffusion

Paste (rheology)

In physics, a paste is a substance that behaves as a solid until a sufficiently large load or stress is applied, at which point it flows like a fluid. Gel and paste (rheology) are Dosage forms and drug delivery devices.

See Gel and Paste (rheology)

Percolation theory

In statistical physics and mathematics, percolation theory describes the behavior of a network when nodes or links are added.

See Gel and Percolation theory

Petroleum

Petroleum or crude oil, also referred to as simply oil, is a naturally occurring yellowish-black liquid mixture of mainly hydrocarbons, and is found in geological formations.

See Gel and Petroleum

Pharmaceutics

Pharmaceutics is the discipline of pharmacy that deals with the process of turning a new chemical entity (NCE) or old drugs into a medication to be used safely and effectively by patients.

See Gel and Pharmaceutics

Polyacrylamide gel electrophoresis

Polyacrylamide gel electrophoresis (PAGE) is a technique widely used in biochemistry, forensic chemistry, genetics, molecular biology and biotechnology to separate biological macromolecules, usually proteins or nucleic acids, according to their electrophoretic mobility.

See Gel and Polyacrylamide gel electrophoresis

Polyelectrolyte

Polyelectrolytes are polymers whose repeating units bear an electrolyte group. Gel and Polyelectrolyte are colloids and physical chemistry.

See Gel and Polyelectrolyte

Polymer

A polymer is a substance or material consisting of very large molecules linked together into chains of repeating subunits.

See Gel and Polymer

Polymer solution

Polymer solutions are solutions containing dissolved polymers.

See Gel and Polymer solution

Porosity

Porosity or void fraction is a measure of the void (i.e. "empty") spaces in a material, and is a fraction of the volume of voids over the total volume, between 0 and 1, or as a percentage between 0% and 100%.

See Gel and Porosity

Pure and Applied Chemistry

Pure and Applied Chemistry is the official journal for the International Union of Pure and Applied Chemistry (IUPAC).

See Gel and Pure and Applied Chemistry

Quasi-solid

Quasi-solid, Falsely-solid, or semisolid is the physical term for something whose state lies between a solid and a liquid.

See Gel and Quasi-solid

Radial immunodiffusion

Radial immunodiffusion (RID), Mancini immunodiffusion or single radial immunodiffusion assay, is an immunodiffusion technique used in immunology to determine the quantity or concentration of an antigen in a sample.

See Gel and Radial immunodiffusion

Rheology

Rheology is the study of the flow of matter, primarily in a fluid (liquid or gas) state but also as "soft solids" or solids under conditions in which they respond with plastic flow rather than deforming elastically in response to an applied force.

See Gel and Rheology

Rubber elasticity

Rubber elasticity refers to a property of crosslinked rubber, namely that it can be stretched up to a factor of 10 from its original length.

See Gel and Rubber elasticity

Self-assembly

Self-assembly is a process in which a disordered system of pre-existing components forms an organized structure or pattern as a consequence of specific, local interactions among the components themselves, without external direction.

See Gel and Self-assembly

Sensor

A sensor is a device that produces an output signal for the purpose of detecting a physical phenomenon.

See Gel and Sensor

Shear modulus

In materials science, shear modulus or modulus of rigidity, denoted by G, or sometimes S or μ, is a measure of the elastic shear stiffness of a material and is defined as the ratio of shear stress to the shear strain: where The derived SI unit of shear modulus is the pascal (Pa), although it is usually expressed in gigapascals (GPa) or in thousand pounds per square inch (ksi).

See Gel and Shear modulus

Silicone

In organosilicon and polymer chemistry, a silicone or polysiloxane is a polymer composed of repeating units of siloxane (where R.

See Gel and Silicone

Sintering

Sintering or frittage is the process of compacting and forming a solid mass of material by pressure or heat without melting it to the point of liquefaction.

See Gel and Sintering

Size-exclusion chromatography

Size-exclusion chromatography, also known as molecular sieve chromatography, is a chromatographic method in which molecules in solution are separated by their size, and in some cases molecular weight.

See Gel and Size-exclusion chromatography

Smart material

Smart materials, also called intelligent or responsive materials, are designed materials that have one or more properties that can be significantly changed in a controlled fashion by external stimuli, such as stress, moisture, electric or magnetic fields, light, temperature, pH, or chemical compounds.

See Gel and Smart material

Soft matter

Soft matter or soft condensed matter is a type of matter that can be deformed or structurally altered by thermal or mechanical stress of the magnitude of thermal fluctuations.

See Gel and Soft matter

Sol–gel process

In materials science, the sol–gel process is a method for producing solid materials from small molecules. Gel and sol–gel process are Dosage forms and gels.

See Gel and Sol–gel process

Solubility

In chemistry, solubility is the ability of a substance, the solute, to form a solution with another substance, the solvent.

See Gel and Solubility

Solvent

A solvent (from the Latin solvō, "loosen, untie, solve") is a substance that dissolves a solute, resulting in a solution.

See Gel and Solvent

Specific surface area

Specific surface area (SSA) is a property of solids defined as the total surface area (SA) of a material per unit mass, (with units of m2/kg or m2/g).

See Gel and Specific surface area

Stress (mechanics)

In continuum mechanics, stress is a physical quantity that describes forces present during deformation.

See Gel and Stress (mechanics)

Supercritical fluid

A supercritical fluid (SCF) is any substance at a temperature and pressure above its critical point, where distinct liquid and gas phases do not exist, but below the pressure required to compress it into a solid.

See Gel and Supercritical fluid

Surface tension

Surface tension is the tendency of liquid surfaces at rest to shrink into the minimum surface area possible.

See Gel and Surface tension

Tendon

A tendon or sinew is a tough band of dense fibrous connective tissue that connects muscle to bone.

See Gel and Tendon

Thermodynamic free energy

In thermodynamics, the thermodynamic free energy is one of the state functions of a thermodynamic system (the others being internal energy, enthalpy, entropy, etc.). The change in the free energy is the maximum amount of work that the system can perform in a process at constant temperature, and its sign indicates whether the process is thermodynamically favorable or forbidden.

See Gel and Thermodynamic free energy

Thermoplastic

A thermoplastic, or thermosoftening plastic, is any plastic polymer material that becomes pliable or moldable at a certain elevated temperature and solidifies upon cooling.

See Gel and Thermoplastic

Thickening agent

A thickening agent or thickener is a substance which can increase the viscosity of a liquid without substantially changing its other properties. Gel and thickening agent are gels.

See Gel and Thickening agent

Thiomer

Thiolated polymers designated thiomers are functional polymers used in biotechnology product development with the intention to prolong mucosal drug residence time and to enhance absorption of drugs. Gel and thiomer are drug delivery devices and gels.

See Gel and Thiomer

Thixotropy

Thixotropy is a time-dependent shear thinning property.

See Gel and Thixotropy

Thomas Graham (chemist)

Thomas Graham (20 December 1805 – 11 September 1869) was a Scottish chemist known for his pioneering work in dialysis and the diffusion of gases.

See Gel and Thomas Graham (chemist)

Thrombus

A thrombus (thrombi), colloquially called a blood clot, is the final product of the blood coagulation step in hemostasis.

See Gel and Thrombus

Tissue engineering

Tissue engineering is a biomedical engineering discipline that uses a combination of cells, engineering, materials methods, and suitable biochemical and physicochemical factors to restore, maintain, improve, or replace different types of biological tissues.

See Gel and Tissue engineering

Two-dimensional gel electrophoresis

Two-dimensional gel electrophoresis, abbreviated as 2-DE or 2-D electrophoresis, is a form of gel electrophoresis commonly used to analyze proteins.

See Gel and Two-dimensional gel electrophoresis

Vegetable oil

Vegetable oils, or vegetable fats, are oils extracted from seeds or from other parts of edible plants.

See Gel and Vegetable oil

Viscosity

The viscosity of a fluid is a measure of its resistance to deformation at a given rate.

See Gel and Viscosity

Vitreous body

The vitreous body (vitreous meaning "glass-like") is the clear gel that fills the space between the lens and the retina of the eyeball (the vitreous chamber) in humans and other vertebrates.

See Gel and Vitreous body

Void (composites)

A void or a pore is three-dimensional region that remains unfilled with polymer and fibers in a composite material.

See Gel and Void (composites)

2-Acrylamido-2-methylpropane sulfonic acid

2-Acrylamido-2-methylpropane sulfonic acid (AMPS) was a Trademark name by The Lubrizol Corporation.

See Gel and 2-Acrylamido-2-methylpropane sulfonic acid

See also

Colloids

Gels

References

[1] https://en.wikipedia.org/wiki/Gel

Also known as Gels, Hair gels, Organogel, Sound induced gelation, Xerogel, Xerogels.

, Long-finned pilot whale, Mass fraction (chemistry), Mesophase, Mineral oil, Mucus, Nanocomposite hydrogels, Nanomaterials, National Council for Science and the Environment, Non-Newtonian fluid, Online Etymology Dictionary, Organic compound, Osmotic pressure, Ouchterlony double immunodiffusion, Paste (rheology), Percolation theory, Petroleum, Pharmaceutics, Polyacrylamide gel electrophoresis, Polyelectrolyte, Polymer, Polymer solution, Porosity, Pure and Applied Chemistry, Quasi-solid, Radial immunodiffusion, Rheology, Rubber elasticity, Self-assembly, Sensor, Shear modulus, Silicone, Sintering, Size-exclusion chromatography, Smart material, Soft matter, Sol–gel process, Solubility, Solvent, Specific surface area, Stress (mechanics), Supercritical fluid, Surface tension, Tendon, Thermodynamic free energy, Thermoplastic, Thickening agent, Thiomer, Thixotropy, Thomas Graham (chemist), Thrombus, Tissue engineering, Two-dimensional gel electrophoresis, Vegetable oil, Viscosity, Vitreous body, Void (composites), 2-Acrylamido-2-methylpropane sulfonic acid.