TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
QUENCHER [2 records]
Record 1 - internal organization data 2017-01-06
Record 1, English
Record 1, Subject field(s)
- Genetics
- Biochemistry
Record 1, Main entry term, English
- nick translation PCR
1, record 1, English, nick%20translation%20PCR
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Lee, L.G., C.R. Connell and W. Bloch. 1993. Allelic discrimination by nick-translation PCR with fluorogenic probes. Nucl.Acids Res. 21:3761-3766. 2, record 1, English, - nick%20translation%20PCR
Record 1, French
Record 1, Domaine(s)
- Génétique
- Biochimie
Record 1, Main entry term, French
- PCR par déplacement de coupure
1, record 1, French, PCR%20par%20d%C3%A9placement%20de%20coupure
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
De nouvelles machines à PCR ont été conçues de façon à permettre la détection des produits d’amplification extemporanément à leur synthèse. Les méthodes de détection qu'ils mettent en œuvre sont basées sur la liaison à l'ADN, durant la réaction, de marqueurs fluorescents ou de l'activité 5’nucléase des ADN polymérases thermostables. Ce dernier type de PCR peut être qualifié de PCR par déplacement de coupure(nick translation PCR). Il repose sur l'emploi d’une sonde non extensible, spécifique d’un fragment de la séquence à amplifier, aux extrémités de laquelle sont fixés un marqueur fluorescent et une molécule, appelée «quencher», dont la présence peut atténuer l'intensité de fluorescence du marqueur. 1, record 1, French, - PCR%20par%20d%C3%A9placement%20de%20coupure
Record number: 1, Textual support number: 1 OBS
Le technoscope. 2, record 1, French, - PCR%20par%20d%C3%A9placement%20de%20coupure
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1990-10-31
Record 2, English
Record 2, Subject field(s)
- Chemistry
- Plastics Manufacturing
Record 2, Main entry term, English
- excited-state quencher
1, record 2, English, excited%2Dstate%20quencher
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
The two classes of absorbers are screening agents and excited-state quenchers. Excited-state quenchers stabilize the polymer by removing energy from the molecule that has already absorbed ultraviolet light .... Of the excited-state quenchers, nickel compounds are the most effective especially organo-nickel complexes. 1, record 2, English, - excited%2Dstate%20quencher
Record number: 2, Textual support number: 1 OBS
Quencher: That which is introduced into a luminescent material to reduce the duration of phosphorescence. 2, record 2, English, - excited%2Dstate%20quencher
Record number: 2, Textual support number: 2 OBS
Polymers, because of their structure, additives or structure defects, can contain what are referred to as chromophor groups, which by absorbing UV-light can increase the electronic energy level of the polymer. The polymer in this situation can readily react further, for example, with oxygen (photo-oxidation). The higher scale energy of the polymer can be transferred to the quencher by adding energy quencher. The quenchers absorb the scale energy via energy transfers in the form of "safe" long wave rays (fluorescent, phosphorescent and heat rays) which does not promote any further photo-oxidation. 3, record 2, English, - excited%2Dstate%20quencher
Record 2, French
Record 2, Domaine(s)
- Chimie
- Plasturgie
Record 2, Main entry term, French
- quencher à l'état excité
1, record 2, French, quencher%20%C3%A0%20l%27%C3%A9tat%20excit%C3%A9
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- extincteur à l'état excité 2, record 2, French, extincteur%20%C3%A0%20l%27%C3%A9tat%20excit%C3%A9
proposal, masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
Les quenchers(extincteurs) sont des substances capables de désactiver les états excités créés dans le polymère par une réaction de transfert(...) La molécule de quencher à l'état excité revient rapidement à l'état fondamental par des transitions non radiatives(...) certains auteurs rapportent des synergies intéressantes avec les absorbeurs UV, mais l'association donne lieu à la formation de complexes fortement colorés en jaune(...) On les utilise dans les films et fils minces de polyoléfines(notamment polypropylène en fils ou bandelettes), les polyamides, les polyesters linéaires, etc. 1, record 2, French, - quencher%20%C3%A0%20l%27%C3%A9tat%20excit%C3%A9
Record number: 2, Textual support number: 1 OBS
Extincteur : Substance introduite dans un corps luminescent afin de réduire la durée de la phosphorescence. 3, record 2, French, - quencher%20%C3%A0%20l%27%C3%A9tat%20excit%C3%A9
Record 2, Spanish
Record 2, Textual support, Spanish
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2025
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
Language Portal of Canada

Access a collection of Canadian resources on all aspects of English and French, including quizzes.
Writing tools

The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.
Glossaries and vocabularies

Access Translation Bureau glossaries and vocabularies.
- Date Modified: