Device and method for determining the concentration of fluorophores in a sample

Device and method for determining the concentration of fluorophores in a sample

A device (10) and a method for analyzing a sample (16) containing fluorophores use a light source (12) emitting light (λex) onto the sample (16), and onto a fluorescence standard (14). The fluorophores of the sample (16), given an immission of light of a first wavelength (λex1), have a first excitat...

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Hauptverfasser: EGGER RAFAEL, ZEINER JÖRG
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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ZEINER JÖRG
description A device (10) and a method for analyzing a sample (16) containing fluorophores use a light source (12) emitting light (λex) onto the sample (16), and onto a fluorescence standard (14). The fluorophores of the sample (16), given an immission of light of a first wavelength (λex1), have a first excitation efficiency and, given an immission of light of a second wavelength (λex2), have a second excitation efficiency. The fluorescence standard (14), given the same immissions of light, has a third excitation efficiency and, a fourth excitation efficiency. An optical element (20) which is arranged between the light source (12) and the sample (16) and/or (12) the fluorescence standard (14) adapts, due to its optical property, a first difference between the first excitation efficiency and the second excitation efficiency and a second difference between the third excitation efficiency and the fourth excitation efficiency to each other.
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title Device and method for determining the concentration of fluorophores in a sample
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