Ligation may refer to:
*
Ligation (molecular biology)
In molecular biology, ligation is the joining of two nucleic acid fragments through the action of an enzyme. It is an essential laboratory procedure in the molecular cloning of DNA, whereby DNA fragments are joined to create recombinant DNA mole ...
, the covalent linking of two ends of DNA or RNA molecules
* In medicine, the making of a
ligature
Ligature may refer to:
* Ligature (medicine), a piece of suture used to shut off a blood vessel or other anatomical structure
** Ligature (orthodontic), used in dentistry
* Ligature (music), an element of musical notation used especially in the me ...
(tie)
*
Chemical ligation
Chemical ligation is a set of techniques used for creating long peptide or protein chains. It is the second step of a convergent approach. First, smaller peptides containing 30-50 amino acids are prepared by conventional chemical peptide synt ...
, the production of peptides from amino acids
*
Tubal ligation
Tubal ligation (commonly known as having one's "tubes tied") is a surgical procedure for female sterilization in which the fallopian tubes are permanently blocked, clipped or removed. This prevents the fertilization of eggs by sperm and thus th ...
, a method of female sterilization
*
Rubber band ligation
Rubber band ligation (RBL) is an outpatient treatment procedure for internal hemorrhoids of any grade. There are several different devices a physician may use to perform the procedure, including the traditional metal devices, endoscopic banding ...
, a treatment for hemorrhoids
* In
coordination chemistry
A coordination complex consists of a central atom or ion, which is usually metallic and is called the ''coordination centre'', and a surrounding array of bound molecules or ions, that are in turn known as ''ligands'' or complexing agents. Many ...
, making a bond between a ligand and a Lewis acid
* In
orthodontics
Orthodontics is a dentistry specialty that addresses the diagnosis, prevention, management, and correction of mal-positioned teeth and jaws, and misaligned bite patterns. It may also address the modification of facial growth, known as dentofacial ...
, a method of attaching the archwires to the brackets
*
KAHA Ligation The α-Ketoacid-Hydroxylamine (KAHA) Amide-Forming Ligation is a chemical reaction that is used to join two unprotected fragments in peptide synthesis.{{cite journal, last1=Pusterla, first1=Ivano, last2=Bode, first2=Jeffrey W., title=The Mechanism o ...
*
Ligation-independent cloning Ligation-independent cloning (LIC) is a form of molecular cloning that is able to be performed without the use of restriction endonucleases or DNA ligase
DNA ligase is a specific type of enzyme, a ligase, () that facilitates the joining of ...
*
Typographic ligature
In writing and typography, a ligature occurs where two or more graphemes or letters are joined to form a single glyph. Examples are the characters æ and œ used in English and French, in which the letters 'a' and 'e' are joined for the first li ...
forming
{{disambiguation
pl:Ligacja