neutral-scan mode

Spanish translation: modo de detección de la pérdida de fragmentos neutros

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)

English term or phrase:	neutral-scan mode
Spanish translation:	modo de detección de la pérdida de fragmentos neutros
Entered by:	Kepa S S O (X)

13:15 Jul 2, 2015

English to Spanish translations [PRO]
Science - Chemistry; Chem Sci/Eng / biochemistry

English term or phrase: neutral-scan mode

Saludos

Determination of pesticide transformation products: A review of extraction and detection methods
For the MS analysis of TPs, several strategies can be used: targeted
or non-targeted compound analysis. In targeted compound
analysis, TPs are known and included within a defined MS method,
and they can also be monitored in routine analysis. In this case,
adequate results have been obtained for the analysis of pesticides
working with low-resolution mass spectrometry (LRMS) instruments,
such as triple quadrupole (QqQ) analysers [122–124] and
ion trap analysers (IT) [23,125], mainly operating in tandem MS
(MS/MS). The QqQ analyser is the most utilised one and it permits
the application of the four existing MS/MS modes: product ion
scan, precursor-ion scan, neutral loss scan and selected-reaction
monitoring (SRM). For the determination of atrazines and TPs, it
can be observed that TPs are structurally similar to the parent
pesticide, with the central ring and the attached –NH– groups
intact. In consequence, they can produce the same product ions
and neutral losses, which can be used to detect and quantify these
compounds. Thus, the precursor-ion m/z 68 ([N C–NH–C N–H]+)
and constant neutral loss m/z 42 (CH3–CH CH2) can be used to
monitor these compounds [126], which indicates that TPs can be
selectively detected without having previous knowledge regarding
their identity. In the same way, ***neutral-scan mode*** has been
used for the identification of transformation products of furathiocarb,
using a neutral loss corresponding tom/z 131 [126].Moreover,
neutral loss strategy has been also used to confirm the identity of
nitro-degradation product of isoproturon [127].

Gracias de antemano

Kepa S S O (X) KudoZ activity Questions: 202 (none open) Answers: 95 Colombia
Local time: 03:00

modo de detección de la pérdida de fragmentos neutros

Explanation:
La expresión completa es neutral-loss scan, como dicen un poco más arriba en el texto que copiaste. Mirá, por ejemplo:

http://what-when-how.com/proteomics/techniques-for-ion-disso... (apartado 3.3)
http://web2.uconn.edu/rusling/Chandra_Prakash.pdf

Algunas referencias en castellano con la expresión " detección de la pérdida de fragmentos neutros":

http://departamento.pucp.edu.pe/ciencias/images/documentos/X...
http://www.fq.uh.cu/dpto/#qf/docencia/pregrado/espectroscopi... (Mirá el párrafo que se encuentra justo después de la figura 4.21)
http://www.elsevier.es/es-revista-medicina-clinica-2-articul... (Mirá el apartado "Métodos analíticos".)

Saludos cordiales.

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Note added at 1 día12 horas (2015-07-04 01:42:07 GMT)
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Donde dije:

«Algunas referencias en castellano con la expresión "detección de la pérdida de fragmentos neutros"»

quise decir:

«Algunas referencias en castellano con la expresión "pérdida de fragmentos neutros"»

Selected response from:

M. C. Filgueira
Local time: 10:00

Grading comment

Thank you very much
4 KudoZ points were awarded for this answer

Summary of answers provided

5 +1

modo de detección de la pérdida de fragmentos neutros

M. C. Filgueira

Modo de seguimiento neutro

Teresa Benítez

Discussion entries: 2

Answers

30 mins confidence:

Modo de seguimiento neutro

Explanation:
In my humble opinion

Teresa Benítez
Spain
Local time: 10:00
Native speaker of: Spanish

1 day 12 hrs confidence:

peer agreement (net): +1

modo de detección de la pérdida de fragmentos neutros

M. C. Filgueira
Local time: 10:00
Specializes in field
Native speaker of:

Spanish
PRO pts in category: 1090

Grading comment

Thank you very much

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