---
type: "WebPage"
title: "Laboratory fluorometer analysis service"
description: "Biopharmaceutical manufacturers, are you looking to carry out fluorimeter analysis? La fluorimétrie est une technique d’analyse optique basée sur la capacité de certaines molécules à émettre de la lumière après excitation. Elle est particulièrement utilisée en biopharmaceutique pour sa sensibilité..."
resource: "https://filab.fr/en/our-technical-resources/laboratory-fluorometer-analysis/"
tags: ["EN", "pll_6970cd53733ff", "Thomas ROUSSEAU"]
timestamp: "2026-06-03T14:03:33Z"
published: "2026-01-21T14:15:28Z"
language: "en"
author: "Laure Durieux"
---

# Laboratory fluorometer analysis service

## Biopharmaceutical manufacturers, are you looking to carry out fluorimeter analysis?

La **fluorimétrie** est une technique d’analyse optique basée sur la capacité de certaines molécules à **émettre de la lumière après excitation**. Elle est particulièrement utilisée en biopharmaceutique pour sa sensibilité et sa sélectivité.

### Fluorimeter analysis: a key technique for the biopharmaceutical industry

Fluorimeter analysis is a reference technique for the detection, quantification, and monitoring of fluorescent compounds at very low concentrations. In the[biopharmaceutical industry](https://filab.fr/en/sectors-of-activity/biopharmaceutical.md), it plays a central role in securing the development, production, and quality control of biomolecules, [proteins](https://filab.fr/en/sectors-of-activity/biopharmaceutical/biotherapeutic-recombinant-protein-characterization/protein-analysis.md), [peptides](https://filab.fr/en/sectors-of-activity/biopharmaceutical/biotherapeutic-recombinant-protein-characterization/peptide-analysis-biopharmaceutical-services.md), nucleic acids or [contaminants](https://filab.fr/en/our-technical-resources/laboratory-analysis-sem-scanning-electron-microscopy/laboratory-analysis-contaminants.md).

At the FILAB laboratory, this technique is carried out in a controlled environment, using high-sensitivity equipment and expertise tailored to the regulatory and industrial constraints of the biopharmaceutical sector and to the[analysis of biomedicines](https://filab.fr/en/our-services/our-analysis-services/laboratory-analysis-nitrosamines/laboratory-analysis-biomedicine.md).

### The applications of fluorimetry analysis in biopharmaceuticals

Fluorimeter analysis is used at different stages of the biopharmaceutical product lifecycle:

**Protein and biomolecule quantification** (BSA, [antibodies](https://filab.fr/en/sectors-of-activity/biopharmaceutical/biotherapeutic-recombinant-protein-characterization/analysis-characterization-monoclonal-antibodies-mabs.md), [enzymes](https://filab.fr/en/sectors-of-activity/biopharmaceutical/biotherapeutic-recombinant-protein-characterization/enzyme-analysis.md), peptides)

Purity [control](https://filab.fr/en/our-services/our-analysis-services/laboratory-detection-identification-impurities.md) and detection of fluorescent impurities

[Stability](https://filab.fr/en/sectors-of-activity/health-pharmaceutical-cosmetics/stability-testing-medications-and-active-ingredients.md) and [degradation](https://filab.fr/en/sectors-of-activity/health-pharmaceutical-cosmetics/forced-degradation-study.md)

[Residual host cell DNA analysis](https://filab.fr/en/sectors-of-activity/biopharmaceutical/residual-host-cell-dna-analysis.md)

**Bioproduction process monitoring** (fermentation, purification, formulation)

Residual [RNA](https://filab.fr/en/sectors-of-activity/biopharmaceutical/characterisation-of-cell-and-gene-therapy-products/analysis-characterization-mrna.md) quantification

Production quality control

## The FILAB laboratory supports manufacturers in fluorimeter analysis

### When should you call on a service laboratory specialized in fluorimeter analysis?

Industrial companies call on the services of the FILAB laboratory, which has this technique, notably to:

- meet a **regulatory or quality requirement**
- investigate a **non-conforming result**
- compare batches or formulations
- secure a **analytical development**
- outsource a sensitive analysis not carried out in-house

### Why use fluorimetry in biopharmaceuticals?

La fluorimétrie repose sur la mesure de l’émission lumineuse d’une molécule après excitation. Elle se distingue par :

- une **excellente sensibilité**, souvent supérieure à l’absorbance UV-visible
- une **forte sélectivité**, grâce au choix précis des longueurs d’onde
- une **détection de traces**, compatible avec des matrices complexes

Ces caractéristiques en font une technique particulièrement adaptée aux exigences de fiabilité, de reproductibilité et de traçabilité propres au secteur biopharmaceutique.

### Our technical resources for biopharmaceutical analysis

[LC-MS/MS analysis](https://filab.fr/services/laboratoire-danalyse-par-lc-ms-ms.md)

[Multi-Attribute Method (MAM) by SEC/GPC for AAV characterization](https://filab.fr/en/sectors-of-activity/biopharmaceutical/characterization-aavs-mam.md)

Nanopore sequencing

[Nuclear Magnetic Resonance (NMR) analysis](https://filab.fr/services/laboratoire-danalyse-par-resonance-magnetique-nucleaire-rmn.md)

[Biopharmaceutical product analysis by HPLC](https://filab.fr/services/laboratoire-danalyse-par-chromatographie-en-phase-liquide-hplc-pour-lanalyse-de-produits-biopharmaceutiques.md)

## FAQ

 Is fluorimetry suitable for complex matrices?
Yes. Thanks to its high selectivity and the precise choice of excitation and emission wavelengths, fluorimetry makes it possible to analyze complex matrices typical of the biopharmaceutical sector (culture media, formulations, excipients, buffers).

 What is the difference between fluorimetry and UV-visible?
UV-Vis measures light absorption, while fluorimetry measures light emission. This difference enables fluorimetry to deliver greater sensitivity, lower detection limits, and a better signal-to-noise ratio.

 Can non-fluorescent molecules be analyzed by fluorimetry?
Yes. Labeling agents or fluorescent probes can be used to make non-naturally fluorescent molecules detectable, such as certain proteins, peptides, DNA, or contaminants.

 Is fluorimetry compatible with regulatory requirements?
Yes. analysis can be carried out using validated methods, with full traceability of the tests, meeting the quality and regulatory requirements of the biopharmaceutical sector.