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Activator

The following statistics are based on the British National Corpus, so they are representative for the British English.

Comparison of usage frequency between the noun activator and its most common antonym:

inhibitoractivator

Definition of the noun activator

What does activator mean as a name of something?

noun - plural: activators

  1. (biology) any agency bringing about activation; a molecule that increases the activity of an enzyme or a protein that increases the production of a gene product in DNA transcription
    • domain: biological science / biology
    • lexical domain: Substances - nouns denoting substances
    • antonym: inhibitor
    • more generic word: substance = the real physical matter of which a person or thing consists
    • more specific terms:
      • activating agent = a surface-active chemical used in flotation process to increase the attraction to a specific mineral
      • accelerator / catalyst = a substance that initiates or accelerates a chemical reaction without itself being affected
      • sensitiser / sensitizer = a substance other than a catalyst that facilitates the start of a catalytic reaction

Alternative definition of the noun activator

noun

  1. [biology] Any chemical or agent which regulates one or more genes by increasing the rate of transcription.
  2. One who, or that which, activates.

Groups

  1. Activator is a musical group.
    • album: "Both Barrels"
  2. Activator is a musical group.
    • album: "Unfortunate Lovely EP"

Music

"Activator" is a musical single of Zorg.

  • released on (10 years ago)

Miscellanea

  1. Activator: A transcriptional activator is a protein that increases gene transcription of a gene or set of genes. Most activators are DNA-binding proteins that bind to enhancers or promoter-proximal elements.
  2. Activator: In phosphors and scintillators, the activator is the element added as dopant to the crystal of the material to create desired type of nonhomogeneities.

Printed dictionaries and other books with definitions for Activator

Click on a title to look inside that book (if available):

Google previewMedical Biotechnology (2009)

by Judit Pongracz, Mary Keen

Tissue plasminogen activators Tissue plasminogen activator is a key component of the fibrinolytic system, by which plasminogen in the blood is activated to plasmin, which breaks down the insoluble fibrin in a blood clot into soluble ...

Google previewe-Study Guide for: Pharmacology for Pharmacy Technicians (2012)

Pharmaceutical sciences, Pharmaceutical sciences by Cram101 Textbook Reviews

Tissue plasminogen activator: Tissue plasminogen activator is a protein involved in the breakdown of blood clots. It is a serine protease (EC 3.4.21.68) found on endothelial cells, the cells that line the blood vessels. As an enzyme, it catalyzes ...

Google previewe-Study Guide for: Ophthalmic Drug Facts 2009 (2012)

by Cram101 Textbook Reviews

Tissue plasminogen activator: Tissue plasminogen activator is a protein involved ...

Google previewe-Study Guide for: Principles of Genetics by D. Peter Snustad, ISBN 9780471699392 (2012)

by Cram101 Textbook Reviews

Tissue plasminogen activator is a protein involved in the breakdown of blood clots. It is a serine protease (EC 3.4.21.68) found on endothelial cells, the cells that line the blood vessels. As an enzyme, it catalyzes the conversion of plasminogen ...

Google previewMechanisms of Carcinogenesis (2012)

by Elizabeth K. Weisburger

Plasminogen activator is a proteolytic enzyme thought to augment tumor invasion through the generation of plasmin which can degrade extracellular matrix proteins and activate additional latent proteases (27, 29 31, 56). It is also likely that ...

Google previewIntroduction to Medical Terminology (2015)

Medicine, Medicine by Cram101 Textbook Reviews

A plasminogen activator is a serine protease which converts plasminogen to plasmin, thus promoting fibrinolysis. Types include:•Tissue plasminogen activator •Urokinase It is inhibited by plasminogen activator inhibitor1 and plasminogen ...

Google previewUrotext (2003)

Basics

Biochemistry Tissue-type plasminogen activator is a highly specific serine protease that converts the zymogen plasminogen into active plasmin. When activated, plasmin attacks fibrin and disrupts the covalent nature of the fibrin clot to form ...

Google previewSeeleys Anatomy and Physiology (2016)

by Cram101 Textbook Reviews

Tissue plasminogen activator: Tissue plasminogen activator is a protein involved in the breakdown of blood clots. It is a serine protease (EC 3.4.21.68) found on endothelial cells, the cells that line the blood vessels. As an enzyme, it catalyzes ...

Google previewNew Developments in Management of Vascular Pathology of the Upper Extremity, An Issue of Hand Clinics, (2014)

by Steven L. Moran

Recombinant tissue plasminogen activator is the most common thrombolytic agent, and carries Angiographic improvement should be expected in most cases of acute ischemia, and amputations Attention to identification of serious hemorrhagic ...

Google previewe-Study Guide for: The World of Chemistry: Essentials by Melvin D. Joesten, ISBN 9780495012139 (2013)

by Cram101 Textbook Reviews

A plasminogen activator is a serine protease which converts plasminogen to plasmin, thus promoting fibrinolysis. Types include:-Tissue plasminogen activator -Urokinase It is inhibited by plasminogen activator inhibitor-1 and plasminogen ...

Google previewEncyclopedia of Cancer (2011)

by Manfred Schwab

HGF activator is a novel protein-degrading enzyme structurally related to a blood clotting factor (factor XII, or Hageman factor). HGF activator is itself produced in an inactive (“pro-enzyme”) form. It may be activated by blood coagulation factors, ...

Google previewStatistical Methods for Quality Improvement (2011)

by Thomas P. Ryan

An OCAP is a flow chart that has three main components: activators, checkpoints, and terminators. An activator is an out-of-control signal. The discussion of Sandorf and Bassett (1993) suggested that Philips used runs rules in addition to the ...

Google previewEncyclopedia of Chemical Processing and Design (1995)

Volume 52 - Solid-Liquid Separation: Clarifiers and Thickeners Selection to Specific Gravity and Specific Heats by John J. McKetta Jr

For bin activator unit size selection, they are as follows: L Flake materials a. Defined: Low-density (usually), high mechanical interlocking and compressible materials, when one dimension (usually thickness) of a particle is one tenth of another ...

Google previewThe Dictionary of Genomics, Transcriptomics and Proteomics (2015)

by Günter Kahl

Activator-dissociation system (Ac-Ds system) 13 BL 4 × 35s enhancer BR AmpR HygR Plant DNA Activation tagging vector Plant DNA its transcription is enhanced by the 35S enhancer package. activator of transcription (STAT) proteins, ...

Google previewEncyclopedia of Molecular Mechanisms of Disease (2009)

With 213 Tables by Florian Lang

PLG, plasminogen; PL, plasmin; tPA, tissue plasminogen activator; uPA, urokinase; uPAR, urokinase receptor; PAI-1,

3; PLAT – tissue plasminogen activator, 8p12-8p11; PLAU –urokinase-type ...

Google previewA Dictionary of Biomedicine (2010)

by John Lackie

Inactive *plasminogen is cleaved into the active form by *plasminogen activator. plasminogen The inactive precursor (810 aa, a zymogen) of *plasmin present at ~200 mg/L in plasma. Mutations in the gene can lead to *ligneous conjunctivitis ...

Google previewEncyclopedia of Genetics, Genomics, Proteomics, and Informatics (2008)

by George P. Rédei

Alternatively, by inserting the tetracycline suppressor into a viral activator gene, all the genes of the transgenic mice that recognize the tetracycline suppressor— activator construct are turned on in the absence of tetracycline. On adding ...

Google previewEncyclopedia of Biological Chemistry (2013)

Saposin B is an activator for arylsulfatase A, a-galactosidase A, and b- galactosidase. Saposin C is an activator of acid b-glucosidase. Saposin D is an activator of ceramidase. There is no assigned function for saposin A. Glycosphingolipid ...

Google previewHistorical Dictionary of the Olympic Movement (2011)

by Bill Mallon, Jeroen Heijmans

—Cycling, Road race—2nd—CERA (continuous erythropoietin receptor activator). Stefan Schumacher (GER)—Cycling, Individual time trial—13th; Road race, did not finish—CERA (continuous erythropoietin receptor ...

Google previewDorland's Dictionary of Medical Acronyms and Abbreviations (2015)

by Dorland

pk peck PKA protein kinase A PkA prekallikrein activator pKa negative logarithm of the acid ionization constant PKAN pantothenate kinase–associated neurodegeneration [Hallervorden-Spatz disease] PKAR protein kinase activation ratio ...

Google previewConcise Dictionary of Science (2012)

activator. sequence. A binding site fortranscription factors, generally part of a promoter region. A UAS may be found upstream of the TATA sequence (if there is one), and its function is (like an enhancer) to increase transcription. Unlike an ...

Google previewDictionary of Agronomy (1989)

by L. L. Somani

The material is mixed well and moistened with a 'activator' which may be of dung, urine, night-soil emulsion, ammonium sulphate or Adco. Rapid fermentation occurs and after about a week. the fermented material itself constitute the activator ...

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See also the pronunciation examples of Activator!

Scrabble value of A1C3T1I1V4A1T1O1R1

The value of this 9-letter word is 14 points, but it's not an accepted word in the Official Scrabble Players Dictionary.

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