Biochemistry

Biochemistry

The scientific study of the chemistry of living matter.

Industry: Biology; Biotechnology

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Biochemistry

Cis

Biology; Biochemistry

In stereochemistry, descriptive of a substituent on the same side of a structure that prevents equalisation of positions by restricted rotation, e.g. an olefinic bond, a ring or a peptide bond; ...

Nuclear magnetic resonance (NMR)

Biology; Biochemistry

A technique for studying the microenvironment of certain atoms that can absorb energy in a magnetic field, e.g. 1 H, 13 C, 15 N, 31 P. NMR can be used to study the conformation in solution of ...

Enzyme-linked immunosorbent assay (ELISA)

A technique that combines the specificity of an immunoglobulin with the detectability of an enzyme-generated chromophoric product to quantify a macromolecule. The enzyme is covalently attached to the ...

Plaque purification

Biology; Biochemistry

A technique to select a bacterial strain with a desired genetic trait; a mixture of cells is streaked on to a solid support and the resultant colonies are screened (e.g. for antibiotic resistance or ...

Alu sequence

Biology; Biochemistry

A small interespersed repeat element (SINE); a repetitive sequence in human DNA found in some introns, and characterised by Alu restriction sites; the locus of some homologous recombinations. ...

Induction

Biology; Biochemistry

The production of an enzyme in response to the presence of a particular compound, the inducer, or a condition, e.g. heat. In developmental biology, induction is the effect of one group of cells upon ...

Enhancing screen

Biology; Biochemistry

A device to enhance the sensitivity of autoradiography; the surface that is to be visualised is sandwiched between a photographic film and the screen, which is a film impregnated with a phosphor that ...