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markierungsfrei

English translation: markers/ without using markers

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06:37 Sep 30, 2000
German to English translations [PRO]
Tech/Engineering
German term or phrase: markierungsfrei
ein Nachweis ohne Verwendung von Markierungssubstanzen
Ina Brandt
English translation:markers/ without using markers
Explanation:
Assuming here that the context is medical research, then paragraph three of the web page quoted makes it clear the 'Markierungssubstanz' and 'Marker' are synonymous. In English it is also called a 'marker', that is to say some kind of substance which has the property of being able to be traced externally when it is inserted into the body.

Here I think the idea is that someone has to come up with proof in a way that doesn't use markers, perhaps because of the risk involved.
Selected response from:

Tim Drayton
Cyprus
Local time: 06:38
Grading comment
Thanks a lot.
4 KudoZ points were awarded for this answer

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Summary of answers provided
nawithout the application of marker/marking substances
Parrot
nanon-invasive, noninvasiveRandi Stenstrop
namarker substances--free of markers/without markers/marker free
Elisabeth Moser
namarkers/ without using markers
Tim Drayton


  

Answers


24 mins
markers/ without using markers


Explanation:
Assuming here that the context is medical research, then paragraph three of the web page quoted makes it clear the 'Markierungssubstanz' and 'Marker' are synonymous. In English it is also called a 'marker', that is to say some kind of substance which has the property of being able to be traced externally when it is inserted into the body.

Here I think the idea is that someone has to come up with proof in a way that doesn't use markers, perhaps because of the risk involved.


    Reference: http://www.quarks.de/gehirnakrobaten/03.htm
Tim Drayton
Cyprus
Local time: 06:38
Native speaker of: Native in EnglishEnglish
PRO pts in pair: 154
Grading comment
Thanks a lot.
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2 hrs
marker substances--free of markers/without markers/marker free


Explanation:
I only found marker substances to be
marker substances:http://www.google.com/search?q=without marker substance&hl=e...
Here you will find many sites for marker
substances. Therefore your sentence should be: proof without the use of marker substances.


    Muret-Sanders
    Reference: http://europa.eu.int/eur-lex/en/lif/dat/1999/en_399D0833.htm...
Elisabeth Moser
United States
Local time: 23:38
Native speaker of: Native in GermanGerman
PRO pts in pair: 772
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2 hrs
non-invasive, noninvasive


Explanation:
I found both spellings but personally prefer the hyphenated version.

I think this may be the expression you need, since using a marker or tracer substance would be invasive.

Here is a definition:

a developer of minimally invasive and noninvasive alternatives to blood tests and medical diagnostic and monitoring procedures, is working to take the pain out of many common medical procedures.

but there were about 50,000 Google hits and the expression is used in many connections.



    Reference: http://www.amcity.com/atlanta/stories/1998/04/20/focus9.html
Randi Stenstrop
Local time: 05:38
Native speaker of: Native in DanishDanish
PRO pts in pair: 265
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10 hrs
without the application of marker/marking substances


Explanation:
such as cobalt and other metals.

Parrot
Spain
Local time: 05:38
Native speaker of: Native in EnglishEnglish
PRO pts in pair: 315
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