Fluorometers
Fluorometers measure the fluorescence of samples to analyze fluorescent substances. They are used in research, quality control, and diagnostics.
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Fluorometers
Fluorometers measure the fluorescence of samples to analyze fluorescent substances. They are used in research, quality control, and diagnostics.
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Guide and selection support
Fluorometers are used for the quantitative analysis of fluorescent molecules in liquids, solids, or biological samples. Their applications are diverse, including environmental analysis, materials testing, and molecular biology workflows. Key selection factors include measurement sensitivity, wavelength range, and sample format.
When choosing a fluorometer, important criteria are measurement accuracy, flexibility of excitation and emission filters, and user-friendliness. Depending on the intended use, features such as portability or compatibility with automated systems may also be relevant.
LabFinder offers an overview of fluorometers with various designs and measurement principles, making it easier to source suitable instruments for different laboratory requirements and supporting informed purchasing decisions.
Use and benefits
Fluorometers are used to quantify fluorescent substances in samples. Typical applications include environmental testing, where pollutants are detected by their fluorescence, and life sciences such as molecular biology and cell culture. Additional areas are materials quality assurance, pharmaceutical research, and clinical laboratories.
Selection criteria
Key criteria for selecting a fluorometer are measurement sensitivity, excitation and emission wavelength range, and the type of sample holder (liquids, solids, or microplates). Ease of use, compatibility with laboratory accessories and software, and upgrade options are also significant factors.
Variants and measurement principles
Fluorometers operate by measuring fluorescence intensity after excitation with UV or visible light. Some models offer multimode functions, combining fluorescence with other optical measurement techniques. Devices differ by sample formats, such as cuvette-based, microplate readers, or portable instruments.
Calibration and maintenance
Regular calibration and cleaning of optical components are essential for accurate results. Maintenance includes inspecting light sources and filters. High-quality fluorometers ensure stable measurements through robust design and reliable detection systems.
Application limits
Fluorometers are limited to detecting fluorescent compounds and cannot directly measure non-fluorescent analytes. Measurement accuracy may be affected by background fluorescence and stray light. Proper sample preparation and optimizing measurement settings are often required.
Search terms and related terms
Fluorescence analyzer, fluorometer instrument, fluorescence spectrometer, fluorescence detector, microplate reader, fluorescence sensor, laboratory fluorometer, fluorescence intensity measurement, fluorescence analysis device, fluorescent compound detection.
Also known as
fluorescence analysis device
Fluorescence analyzer
fluorescence detector
fluorescence monitor
fluorescence photometer
fluorescence reader
fluorescence sensor
fluorescence spectrometer
fluorimeter
fluorometer instrument
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Frequently asked questions
How does a fluorometer work?
A fluorometer measures the fluorescence emitted by a sample after excitation with UV or visible light. The intensity of the fluorescence is proportional to the concentration of the fluorescent substance.
What types of fluorometers are available?
Fluorometers are available for a range of sample formats, including cuvettes, microplates, and portable handheld units. There are also multimode readers that combine fluorescence with other measurement techniques.
What are important criteria when choosing a fluorometer?
Key selection criteria are measurement sensitivity, adjustable excitation and emission wavelengths, sample type, simple operation, and compatibility with laboratory workflows.
What are common laboratory uses for fluorometers?
Fluorometers are used for qualitative and quantitative analysis of fluorescent substances, such as DNA/RNA assays, protein quantification, environmental monitoring, and materials analysis.
What are the limitations of fluorometers?
Fluorometers can only directly measure fluorescent substances. They are sensitive to interfering fluorescence and often require appropriate sample preparation. Non-fluorescent analytes must be tested with other methods.
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