Chemistry

Definition of cytochemistry

Cytochemistry is the area of ​​cytology dedicated to examining the location and chemical composition of substances present in cells. To achieve its objectives it resorts to observation through microscopes. Substances of cells Before moving forward, it is important to mention that cytology is the specialization […]

Definition of pharmacodynamics

Pharmacodynamics is the study of the effect that drugs generate on people's bodies. Also mentioned as pharmacodynamics, it investigates the physiological and biochemical consequences that are recorded at an organic level by the action of these substances. General description Among the objectives of pharmacodynamics is the description of the primary effects […]

Definition of levigation

Levigation is the act and result of levigating. This verb, whose etymological root is found in the Latin word levigāre (translatable as "pulverize"), refers to dissolving a powdered matter in water with the aim of separating its parts according to thickness. Industrial technique With levigation, the coarsest particles […]

Definition of calcine

The first meaning of calcining that the Royal Spanish Academy (RAE) mentions in its dictionary refers to promoting the reduction of a calcareous mineral to quicklime through the action of fire, which deprives it of carbonic acid. Calcination process Let's look at this definition in detail. A mineral is an inorganic material found […]

Definition of isotonic

The concept of isotonic can be used in different areas. In the field of chemistry, solutions that have the same osmotic pressure when at the same temperature are classified as isotonic. Isotonic solutions It should be remembered that a solution is a mixture that is obtained when a solid is dissolved in a liquid. The […]

Definition of elastane

Elastane is a synthetic fiber that is characterized by its enormous elasticity. Also known as spandex (by the Spandex brand) or lycra (by Lycra, another commercial name), it is a material made from polyurethane that is used, among other things, to make clothing. Invention The invention of elastane is […]

Definition of neutralize

The notion of neutralize refers to making neutral: without participation, interference or intervention. The term usually refers to the action of canceling, revoking or compensating something. Some examples For example: «To neutralize the venom of this snake, we need a specific antidote that is not available in this hospital», «According to scientists, […]

Definition of biosynthesis

Biosynthesis is the process that living beings develop when synthesizing organic compounds. The term also refers to the synthesis of these compounds that, using enzymes, can be carried out in vitro. Complementary concepts It is important to keep in mind that, in the field of chemistry, synthesis is the procedure that, starting from […]

Definition of acyclic

The term acyclic is not part of the dictionary of the Royal Spanish Academy (RAE). However, its use is frequent to refer to that which is not produced or developed cyclically. The cycle To understand what something acyclical is, therefore, we must first know what the notion of […]

Definition of anodyne

The concept of anodyne comes from the late Latin anody̆nus, which in turn comes from the Greek word anṓdynos (translatable as “that mitigates pain”). This etymological root derives from one of the meanings of the term: anodyne is a substance or a drug that relieves a condition. Inconsequential, irrelevant This use of the notion, without […]